diff options
Diffstat (limited to 'arch/sparc/include/asm')
279 files changed, 5296 insertions, 13497 deletions
diff --git a/arch/sparc/include/asm/Kbuild b/arch/sparc/include/asm/Kbuild index a5f0ce734ff..a4582181800 100644 --- a/arch/sparc/include/asm/Kbuild +++ b/arch/sparc/include/asm/Kbuild @@ -1,45 +1,21 @@ # User exported sparc header files -include include/asm-generic/Kbuild.asm -header-y += ipcbuf_32.h -header-y += ipcbuf_64.h -header-y += posix_types_32.h -header-y += posix_types_64.h -header-y += ptrace_32.h -header-y += ptrace_64.h -header-y += sigcontext_32.h -header-y += sigcontext_64.h -header-y += siginfo_32.h -header-y += siginfo_64.h -header-y += signal_32.h -header-y += signal_64.h -header-y += stat_32.h -header-y += stat_64.h -header-y += statfs_32.h -header-y += statfs_64.h -header-y += unistd_32.h -header-y += unistd_64.h -header-y += apc.h -header-y += asi.h -header-y += bpp.h -header-y += display7seg.h -header-y += envctrl.h -header-y += fbio.h -header-y += jsflash.h -header-y += openprom.h -header-y += openprom_32.h -header-y += openprom_64.h -header-y += openpromio.h -header-y += perfctr.h -header-y += psrcompat.h -header-y += psr.h -header-y += pstate.h -header-y += reg.h -header-y += reg_32.h -header-y += reg_64.h -header-y += traps.h -header-y += uctx.h -header-y += utrap.h -header-y += vfc_ioctls.h -header-y += watchdog.h +generic-y += clkdev.h +generic-y += cputime.h +generic-y += div64.h +generic-y += emergency-restart.h +generic-y += exec.h +generic-y += hash.h +generic-y += irq_regs.h +generic-y += linkage.h +generic-y += local.h +generic-y += local64.h +generic-y += mcs_spinlock.h +generic-y += module.h +generic-y += mutex.h +generic-y += preempt.h +generic-y += serial.h +generic-y += trace_clock.h +generic-y += types.h +generic-y += word-at-a-time.h diff --git a/arch/sparc/include/asm/agp.h b/arch/sparc/include/asm/agp.h index c2456870b05..70f52c1661b 100644 --- a/arch/sparc/include/asm/agp.h +++ b/arch/sparc/include/asm/agp.h @@ -7,10 +7,6 @@ #define unmap_page_from_agp(page) #define flush_agp_cache() mb() -/* Convert a physical address to an address suitable for the GART. */ -#define phys_to_gart(x) (x) -#define gart_to_phys(x) (x) - /* GATT allocation. Returns/accepts GATT kernel virtual address. */ #define alloc_gatt_pages(order) \ ((char *)__get_free_pages(GFP_KERNEL, (order))) diff --git a/arch/sparc/include/asm/apc.h b/arch/sparc/include/asm/apc.h deleted file mode 100644 index 24e9a7d4d97..00000000000 --- a/arch/sparc/include/asm/apc.h +++ /dev/null @@ -1,64 +0,0 @@ -/* apc - Driver definitions for power management functions - * of Aurora Personality Chip (APC) on SPARCstation-4/5 and - * derivatives - * - * Copyright (c) 2001 Eric Brower (ebrower@usa.net) - * - */ - -#ifndef _SPARC_APC_H -#define _SPARC_APC_H - -#include <linux/ioctl.h> - -#define APC_IOC 'A' - -#define APCIOCGFANCTL _IOR(APC_IOC, 0x00, int) /* Get fan speed */ -#define APCIOCSFANCTL _IOW(APC_IOC, 0x01, int) /* Set fan speed */ - -#define APCIOCGCPWR _IOR(APC_IOC, 0x02, int) /* Get CPOWER state */ -#define APCIOCSCPWR _IOW(APC_IOC, 0x03, int) /* Set CPOWER state */ - -#define APCIOCGBPORT _IOR(APC_IOC, 0x04, int) /* Get BPORT state */ -#define APCIOCSBPORT _IOW(APC_IOC, 0x05, int) /* Set BPORT state */ - -/* - * Register offsets - */ -#define APC_IDLE_REG 0x00 -#define APC_FANCTL_REG 0x20 -#define APC_CPOWER_REG 0x24 -#define APC_BPORT_REG 0x30 - -#define APC_REGMASK 0x01 -#define APC_BPMASK 0x03 - -/* - * IDLE - CPU standby values (set to initiate standby) - */ -#define APC_IDLE_ON 0x01 - -/* - * FANCTL - Fan speed control state values - */ -#define APC_FANCTL_HI 0x00 /* Fan speed high */ -#define APC_FANCTL_LO 0x01 /* Fan speed low */ - -/* - * CPWR - Convenience power outlet state values - */ -#define APC_CPOWER_ON 0x00 /* Conv power on */ -#define APC_CPOWER_OFF 0x01 /* Conv power off */ - -/* - * BPA/BPB - Read-Write "Bit Ports" state values (reset to 0 at power-on) - * - * WARNING: Internal usage of bit ports is platform dependent-- - * don't modify BPORT settings unless you know what you are doing. - * - * On SS5 BPA seems to toggle onboard ethernet loopback... -E - */ -#define APC_BPORT_A 0x01 /* Bit Port A */ -#define APC_BPORT_B 0x02 /* Bit Port B */ - -#endif /* !(_SPARC_APC_H) */ diff --git a/arch/sparc/include/asm/asi.h b/arch/sparc/include/asm/asi.h deleted file mode 100644 index 74703c5ef98..00000000000 --- a/arch/sparc/include/asm/asi.h +++ /dev/null @@ -1,262 +0,0 @@ -#ifndef _SPARC_ASI_H -#define _SPARC_ASI_H - -/* asi.h: Address Space Identifier values for the sparc. - * - * Copyright (C) 1995,1996 David S. Miller (davem@caip.rutgers.edu) - * - * Pioneer work for sun4m: Paul Hatchman (paul@sfe.com.au) - * Joint edition for sun4c+sun4m: Pete A. Zaitcev <zaitcev@ipmce.su> - */ - -/* The first batch are for the sun4c. */ - -#define ASI_NULL1 0x00 -#define ASI_NULL2 0x01 - -/* sun4c and sun4 control registers and mmu/vac ops */ -#define ASI_CONTROL 0x02 -#define ASI_SEGMAP 0x03 -#define ASI_PTE 0x04 -#define ASI_HWFLUSHSEG 0x05 -#define ASI_HWFLUSHPAGE 0x06 -#define ASI_REGMAP 0x06 -#define ASI_HWFLUSHCONTEXT 0x07 - -#define ASI_USERTXT 0x08 -#define ASI_KERNELTXT 0x09 -#define ASI_USERDATA 0x0a -#define ASI_KERNELDATA 0x0b - -/* VAC Cache flushing on sun4c and sun4 */ -#define ASI_FLUSHSEG 0x0c -#define ASI_FLUSHPG 0x0d -#define ASI_FLUSHCTX 0x0e - -/* SPARCstation-5: only 6 bits are decoded. */ -/* wo = Write Only, rw = Read Write; */ -/* ss = Single Size, as = All Sizes; */ -#define ASI_M_RES00 0x00 /* Don't touch... */ -#define ASI_M_UNA01 0x01 /* Same here... */ -#define ASI_M_MXCC 0x02 /* Access to TI VIKING MXCC registers */ -#define ASI_M_FLUSH_PROBE 0x03 /* Reference MMU Flush/Probe; rw, ss */ -#define ASI_M_MMUREGS 0x04 /* MMU Registers; rw, ss */ -#define ASI_M_TLBDIAG 0x05 /* MMU TLB only Diagnostics */ -#define ASI_M_DIAGS 0x06 /* Reference MMU Diagnostics */ -#define ASI_M_IODIAG 0x07 /* MMU I/O TLB only Diagnostics */ -#define ASI_M_USERTXT 0x08 /* Same as ASI_USERTXT; rw, as */ -#define ASI_M_KERNELTXT 0x09 /* Same as ASI_KERNELTXT; rw, as */ -#define ASI_M_USERDATA 0x0A /* Same as ASI_USERDATA; rw, as */ -#define ASI_M_KERNELDATA 0x0B /* Same as ASI_KERNELDATA; rw, as */ -#define ASI_M_TXTC_TAG 0x0C /* Instruction Cache Tag; rw, ss */ -#define ASI_M_TXTC_DATA 0x0D /* Instruction Cache Data; rw, ss */ -#define ASI_M_DATAC_TAG 0x0E /* Data Cache Tag; rw, ss */ -#define ASI_M_DATAC_DATA 0x0F /* Data Cache Data; rw, ss */ - -/* The following cache flushing ASIs work only with the 'sta' - * instruction. Results are unpredictable for 'swap' and 'ldstuba', - * so don't do it. - */ - -/* These ASI flushes affect external caches too. */ -#define ASI_M_FLUSH_PAGE 0x10 /* Flush I&D Cache Line (page); wo, ss */ -#define ASI_M_FLUSH_SEG 0x11 /* Flush I&D Cache Line (seg); wo, ss */ -#define ASI_M_FLUSH_REGION 0x12 /* Flush I&D Cache Line (region); wo, ss */ -#define ASI_M_FLUSH_CTX 0x13 /* Flush I&D Cache Line (context); wo, ss */ -#define ASI_M_FLUSH_USER 0x14 /* Flush I&D Cache Line (user); wo, ss */ - -/* Block-copy operations are available only on certain V8 cpus. */ -#define ASI_M_BCOPY 0x17 /* Block copy */ - -/* These affect only the ICACHE and are Ross HyperSparc and TurboSparc specific. */ -#define ASI_M_IFLUSH_PAGE 0x18 /* Flush I Cache Line (page); wo, ss */ -#define ASI_M_IFLUSH_SEG 0x19 /* Flush I Cache Line (seg); wo, ss */ -#define ASI_M_IFLUSH_REGION 0x1A /* Flush I Cache Line (region); wo, ss */ -#define ASI_M_IFLUSH_CTX 0x1B /* Flush I Cache Line (context); wo, ss */ -#define ASI_M_IFLUSH_USER 0x1C /* Flush I Cache Line (user); wo, ss */ - -/* Block-fill operations are available on certain V8 cpus */ -#define ASI_M_BFILL 0x1F - -/* This allows direct access to main memory, actually 0x20 to 0x2f are - * the available ASI's for physical ram pass-through, but I don't have - * any idea what the other ones do.... - */ - -#define ASI_M_BYPASS 0x20 /* Reference MMU bypass; rw, as */ -#define ASI_M_FBMEM 0x29 /* Graphics card frame buffer access */ -#define ASI_M_VMEUS 0x2A /* VME user 16-bit access */ -#define ASI_M_VMEPS 0x2B /* VME priv 16-bit access */ -#define ASI_M_VMEUT 0x2C /* VME user 32-bit access */ -#define ASI_M_VMEPT 0x2D /* VME priv 32-bit access */ -#define ASI_M_SBUS 0x2E /* Direct SBus access */ -#define ASI_M_CTL 0x2F /* Control Space (ECC and MXCC are here) */ - - -/* This is ROSS HyperSparc only. */ -#define ASI_M_FLUSH_IWHOLE 0x31 /* Flush entire ICACHE; wo, ss */ - -/* Tsunami/Viking/TurboSparc i/d cache flash clear. */ -#define ASI_M_IC_FLCLEAR 0x36 -#define ASI_M_DC_FLCLEAR 0x37 - -#define ASI_M_DCDR 0x39 /* Data Cache Diagnostics Register rw, ss */ - -#define ASI_M_VIKING_TMP1 0x40 /* Emulation temporary 1 on Viking */ -/* only available on SuperSparc I */ -/* #define ASI_M_VIKING_TMP2 0x41 */ /* Emulation temporary 2 on Viking */ - -#define ASI_M_ACTION 0x4c /* Breakpoint Action Register (GNU/Viking) */ - -/* V9 Architecture mandary ASIs. */ -#define ASI_N 0x04 /* Nucleus */ -#define ASI_NL 0x0c /* Nucleus, little endian */ -#define ASI_AIUP 0x10 /* Primary, user */ -#define ASI_AIUS 0x11 /* Secondary, user */ -#define ASI_AIUPL 0x18 /* Primary, user, little endian */ -#define ASI_AIUSL 0x19 /* Secondary, user, little endian */ -#define ASI_P 0x80 /* Primary, implicit */ -#define ASI_S 0x81 /* Secondary, implicit */ -#define ASI_PNF 0x82 /* Primary, no fault */ -#define ASI_SNF 0x83 /* Secondary, no fault */ -#define ASI_PL 0x88 /* Primary, implicit, l-endian */ -#define ASI_SL 0x89 /* Secondary, implicit, l-endian */ -#define ASI_PNFL 0x8a /* Primary, no fault, l-endian */ -#define ASI_SNFL 0x8b /* Secondary, no fault, l-endian */ - -/* SpitFire and later extended ASIs. The "(III)" marker designates - * UltraSparc-III and later specific ASIs. The "(CMT)" marker designates - * Chip Multi Threading specific ASIs. "(NG)" designates Niagara specific - * ASIs, "(4V)" designates SUN4V specific ASIs. - */ -#define ASI_PHYS_USE_EC 0x14 /* PADDR, E-cachable */ -#define ASI_PHYS_BYPASS_EC_E 0x15 /* PADDR, E-bit */ -#define ASI_BLK_AIUP_4V 0x16 /* (4V) Prim, user, block ld/st */ -#define ASI_BLK_AIUS_4V 0x17 /* (4V) Sec, user, block ld/st */ -#define ASI_PHYS_USE_EC_L 0x1c /* PADDR, E-cachable, little endian*/ -#define ASI_PHYS_BYPASS_EC_E_L 0x1d /* PADDR, E-bit, little endian */ -#define ASI_BLK_AIUP_L_4V 0x1e /* (4V) Prim, user, block, l-endian*/ -#define ASI_BLK_AIUS_L_4V 0x1f /* (4V) Sec, user, block, l-endian */ -#define ASI_SCRATCHPAD 0x20 /* (4V) Scratch Pad Registers */ -#define ASI_MMU 0x21 /* (4V) MMU Context Registers */ -#define ASI_BLK_INIT_QUAD_LDD_AIUS 0x23 /* (NG) init-store, twin load, - * secondary, user - */ -#define ASI_NUCLEUS_QUAD_LDD 0x24 /* Cachable, qword load */ -#define ASI_QUEUE 0x25 /* (4V) Interrupt Queue Registers */ -#define ASI_QUAD_LDD_PHYS_4V 0x26 /* (4V) Physical, qword load */ -#define ASI_NUCLEUS_QUAD_LDD_L 0x2c /* Cachable, qword load, l-endian */ -#define ASI_QUAD_LDD_PHYS_L_4V 0x2e /* (4V) Phys, qword load, l-endian */ -#define ASI_PCACHE_DATA_STATUS 0x30 /* (III) PCache data stat RAM diag */ -#define ASI_PCACHE_DATA 0x31 /* (III) PCache data RAM diag */ -#define ASI_PCACHE_TAG 0x32 /* (III) PCache tag RAM diag */ -#define ASI_PCACHE_SNOOP_TAG 0x33 /* (III) PCache snoop tag RAM diag */ -#define ASI_QUAD_LDD_PHYS 0x34 /* (III+) PADDR, qword load */ -#define ASI_WCACHE_VALID_BITS 0x38 /* (III) WCache Valid Bits diag */ -#define ASI_WCACHE_DATA 0x39 /* (III) WCache data RAM diag */ -#define ASI_WCACHE_TAG 0x3a /* (III) WCache tag RAM diag */ -#define ASI_WCACHE_SNOOP_TAG 0x3b /* (III) WCache snoop tag RAM diag */ -#define ASI_QUAD_LDD_PHYS_L 0x3c /* (III+) PADDR, qw-load, l-endian */ -#define ASI_SRAM_FAST_INIT 0x40 /* (III+) Fast SRAM init */ -#define ASI_CORE_AVAILABLE 0x41 /* (CMT) LP Available */ -#define ASI_CORE_ENABLE_STAT 0x41 /* (CMT) LP Enable Status */ -#define ASI_CORE_ENABLE 0x41 /* (CMT) LP Enable RW */ -#define ASI_XIR_STEERING 0x41 /* (CMT) XIR Steering RW */ -#define ASI_CORE_RUNNING_RW 0x41 /* (CMT) LP Running RW */ -#define ASI_CORE_RUNNING_W1S 0x41 /* (CMT) LP Running Write-One Set */ -#define ASI_CORE_RUNNING_W1C 0x41 /* (CMT) LP Running Write-One Clr */ -#define ASI_CORE_RUNNING_STAT 0x41 /* (CMT) LP Running Status */ -#define ASI_CMT_ERROR_STEERING 0x41 /* (CMT) Error Steering RW */ -#define ASI_DCACHE_INVALIDATE 0x42 /* (III) DCache Invalidate diag */ -#define ASI_DCACHE_UTAG 0x43 /* (III) DCache uTag diag */ -#define ASI_DCACHE_SNOOP_TAG 0x44 /* (III) DCache snoop tag RAM diag */ -#define ASI_LSU_CONTROL 0x45 /* Load-store control unit */ -#define ASI_DCU_CONTROL_REG 0x45 /* (III) DCache Unit Control reg */ -#define ASI_DCACHE_DATA 0x46 /* DCache data-ram diag access */ -#define ASI_DCACHE_TAG 0x47 /* Dcache tag/valid ram diag access*/ -#define ASI_INTR_DISPATCH_STAT 0x48 /* IRQ vector dispatch status */ -#define ASI_INTR_RECEIVE 0x49 /* IRQ vector receive status */ -#define ASI_UPA_CONFIG 0x4a /* UPA config space */ -#define ASI_JBUS_CONFIG 0x4a /* (IIIi) JBUS Config Register */ -#define ASI_SAFARI_CONFIG 0x4a /* (III) Safari Config Register */ -#define ASI_SAFARI_ADDRESS 0x4a /* (III) Safari Address Register */ -#define ASI_ESTATE_ERROR_EN 0x4b /* E-cache error enable space */ -#define ASI_AFSR 0x4c /* Async fault status register */ -#define ASI_AFAR 0x4d /* Async fault address register */ -#define ASI_EC_TAG_DATA 0x4e /* E-cache tag/valid ram diag acc */ -#define ASI_IMMU 0x50 /* Insn-MMU main register space */ -#define ASI_IMMU_TSB_8KB_PTR 0x51 /* Insn-MMU 8KB TSB pointer reg */ -#define ASI_IMMU_TSB_64KB_PTR 0x52 /* Insn-MMU 64KB TSB pointer reg */ -#define ASI_ITLB_DATA_IN 0x54 /* Insn-MMU TLB data in reg */ -#define ASI_ITLB_DATA_ACCESS 0x55 /* Insn-MMU TLB data access reg */ -#define ASI_ITLB_TAG_READ 0x56 /* Insn-MMU TLB tag read reg */ -#define ASI_IMMU_DEMAP 0x57 /* Insn-MMU TLB demap */ -#define ASI_DMMU 0x58 /* Data-MMU main register space */ -#define ASI_DMMU_TSB_8KB_PTR 0x59 /* Data-MMU 8KB TSB pointer reg */ -#define ASI_DMMU_TSB_64KB_PTR 0x5a /* Data-MMU 16KB TSB pointer reg */ -#define ASI_DMMU_TSB_DIRECT_PTR 0x5b /* Data-MMU TSB direct pointer reg */ -#define ASI_DTLB_DATA_IN 0x5c /* Data-MMU TLB data in reg */ -#define ASI_DTLB_DATA_ACCESS 0x5d /* Data-MMU TLB data access reg */ -#define ASI_DTLB_TAG_READ 0x5e /* Data-MMU TLB tag read reg */ -#define ASI_DMMU_DEMAP 0x5f /* Data-MMU TLB demap */ -#define ASI_IIU_INST_TRAP 0x60 /* (III) Instruction Breakpoint */ -#define ASI_INTR_ID 0x63 /* (CMT) Interrupt ID register */ -#define ASI_CORE_ID 0x63 /* (CMT) LP ID register */ -#define ASI_CESR_ID 0x63 /* (CMT) CESR ID register */ -#define ASI_IC_INSTR 0x66 /* Insn cache instrucion ram diag */ -#define ASI_IC_TAG 0x67 /* Insn cache tag/valid ram diag */ -#define ASI_IC_STAG 0x68 /* (III) Insn cache snoop tag ram */ -#define ASI_IC_PRE_DECODE 0x6e /* Insn cache pre-decode ram diag */ -#define ASI_IC_NEXT_FIELD 0x6f /* Insn cache next-field ram diag */ -#define ASI_BRPRED_ARRAY 0x6f /* (III) Branch Prediction RAM diag*/ -#define ASI_BLK_AIUP 0x70 /* Primary, user, block load/store */ -#define ASI_BLK_AIUS 0x71 /* Secondary, user, block ld/st */ -#define ASI_MCU_CTRL_REG 0x72 /* (III) Memory controller regs */ -#define ASI_EC_DATA 0x74 /* (III) E-cache data staging reg */ -#define ASI_EC_CTRL 0x75 /* (III) E-cache control reg */ -#define ASI_EC_W 0x76 /* E-cache diag write access */ -#define ASI_UDB_ERROR_W 0x77 /* External UDB error regs W */ -#define ASI_UDB_CONTROL_W 0x77 /* External UDB control regs W */ -#define ASI_INTR_W 0x77 /* IRQ vector dispatch write */ -#define ASI_INTR_DATAN_W 0x77 /* (III) Out irq vector data reg N */ -#define ASI_INTR_DISPATCH_W 0x77 /* (III) Interrupt vector dispatch */ -#define ASI_BLK_AIUPL 0x78 /* Primary, user, little, blk ld/st*/ -#define ASI_BLK_AIUSL 0x79 /* Secondary, user, little, blk ld/st*/ -#define ASI_EC_R 0x7e /* E-cache diag read access */ -#define ASI_UDBH_ERROR_R 0x7f /* External UDB error regs rd hi */ -#define ASI_UDBL_ERROR_R 0x7f /* External UDB error regs rd low */ -#define ASI_UDBH_CONTROL_R 0x7f /* External UDB control regs rd hi */ -#define ASI_UDBL_CONTROL_R 0x7f /* External UDB control regs rd low*/ -#define ASI_INTR_R 0x7f /* IRQ vector dispatch read */ -#define ASI_INTR_DATAN_R 0x7f /* (III) In irq vector data reg N */ -#define ASI_PST8_P 0xc0 /* Primary, 8 8-bit, partial */ -#define ASI_PST8_S 0xc1 /* Secondary, 8 8-bit, partial */ -#define ASI_PST16_P 0xc2 /* Primary, 4 16-bit, partial */ -#define ASI_PST16_S 0xc3 /* Secondary, 4 16-bit, partial */ -#define ASI_PST32_P 0xc4 /* Primary, 2 32-bit, partial */ -#define ASI_PST32_S 0xc5 /* Secondary, 2 32-bit, partial */ -#define ASI_PST8_PL 0xc8 /* Primary, 8 8-bit, partial, L */ -#define ASI_PST8_SL 0xc9 /* Secondary, 8 8-bit, partial, L */ -#define ASI_PST16_PL 0xca /* Primary, 4 16-bit, partial, L */ -#define ASI_PST16_SL 0xcb /* Secondary, 4 16-bit, partial, L */ -#define ASI_PST32_PL 0xcc /* Primary, 2 32-bit, partial, L */ -#define ASI_PST32_SL 0xcd /* Secondary, 2 32-bit, partial, L */ -#define ASI_FL8_P 0xd0 /* Primary, 1 8-bit, fpu ld/st */ -#define ASI_FL8_S 0xd1 /* Secondary, 1 8-bit, fpu ld/st */ -#define ASI_FL16_P 0xd2 /* Primary, 1 16-bit, fpu ld/st */ -#define ASI_FL16_S 0xd3 /* Secondary, 1 16-bit, fpu ld/st */ -#define ASI_FL8_PL 0xd8 /* Primary, 1 8-bit, fpu ld/st, L */ -#define ASI_FL8_SL 0xd9 /* Secondary, 1 8-bit, fpu ld/st, L*/ -#define ASI_FL16_PL 0xda /* Primary, 1 16-bit, fpu ld/st, L */ -#define ASI_FL16_SL 0xdb /* Secondary, 1 16-bit, fpu ld/st,L*/ -#define ASI_BLK_COMMIT_P 0xe0 /* Primary, blk store commit */ -#define ASI_BLK_COMMIT_S 0xe1 /* Secondary, blk store commit */ -#define ASI_BLK_INIT_QUAD_LDD_P 0xe2 /* (NG) init-store, twin load, - * primary, implicit - */ -#define ASI_BLK_P 0xf0 /* Primary, blk ld/st */ -#define ASI_BLK_S 0xf1 /* Secondary, blk ld/st */ -#define ASI_BLK_PL 0xf8 /* Primary, blk ld/st, little */ -#define ASI_BLK_SL 0xf9 /* Secondary, blk ld/st, little */ - -#endif /* _SPARC_ASI_H */ diff --git a/arch/sparc/include/asm/asm-offsets.h b/arch/sparc/include/asm/asm-offsets.h new file mode 100644 index 00000000000..d370ee36a18 --- /dev/null +++ b/arch/sparc/include/asm/asm-offsets.h @@ -0,0 +1 @@ +#include <generated/asm-offsets.h> diff --git a/arch/sparc/include/asm/asm.h b/arch/sparc/include/asm/asm.h new file mode 100644 index 00000000000..e8e1d94b4cc --- /dev/null +++ b/arch/sparc/include/asm/asm.h @@ -0,0 +1,40 @@ +#ifndef _SPARC_ASM_H +#define _SPARC_ASM_H + +/* Macros to assist the sharing of assembler code between 32-bit and + * 64-bit sparc. + */ + +#ifdef CONFIG_SPARC64 +#define BRANCH32(TYPE, PREDICT, DEST) \ + TYPE,PREDICT %icc, DEST +#define BRANCH32_ANNUL(TYPE, PREDICT, DEST) \ + TYPE,a,PREDICT %icc, DEST +#define BRANCH_REG_ZERO(PREDICT, REG, DEST) \ + brz,PREDICT REG, DEST +#define BRANCH_REG_ZERO_ANNUL(PREDICT, REG, DEST) \ + brz,a,PREDICT REG, DEST +#define BRANCH_REG_NOT_ZERO(PREDICT, REG, DEST) \ + brnz,PREDICT REG, DEST +#define BRANCH_REG_NOT_ZERO_ANNUL(PREDICT, REG, DEST) \ + brnz,a,PREDICT REG, DEST +#else +#define BRANCH32(TYPE, PREDICT, DEST) \ + TYPE DEST +#define BRANCH32_ANNUL(TYPE, PREDICT, DEST) \ + TYPE,a DEST +#define BRANCH_REG_ZERO(PREDICT, REG, DEST) \ + cmp REG, 0; \ + be DEST +#define BRANCH_REG_ZERO_ANNUL(PREDICT, REG, DEST) \ + cmp REG, 0; \ + be,a DEST +#define BRANCH_REG_NOT_ZERO(PREDICT, REG, DEST) \ + cmp REG, 0; \ + bne DEST +#define BRANCH_REG_NOT_ZERO_ANNUL(PREDICT, REG, DEST) \ + cmp REG, 0; \ + bne,a DEST +#endif + +#endif /* _SPARC_ASM_H */ diff --git a/arch/sparc/include/asm/asmmacro.h b/arch/sparc/include/asm/asmmacro.h index a619a4d97aa..a0e28ef0255 100644 --- a/arch/sparc/include/asm/asmmacro.h +++ b/arch/sparc/include/asm/asmmacro.h @@ -6,17 +6,6 @@ #ifndef _SPARC_ASMMACRO_H #define _SPARC_ASMMACRO_H -#include <asm/btfixup.h> -#include <asm/asi.h> - -#define GET_PROCESSOR4M_ID(reg) \ - rd %tbr, %reg; \ - srl %reg, 12, %reg; \ - and %reg, 3, %reg; - -#define GET_PROCESSOR4D_ID(reg) \ - lda [%g0] ASI_M_VIKING_TMP1, %reg; - /* All trap entry points _must_ begin with this macro or else you * lose. It makes sure the kernel has a proper window so that * c-code can be called. @@ -31,15 +20,26 @@ /* All traps low-level code here must end with this macro. */ #define RESTORE_ALL b ret_trap_entry; clr %l6; -/* sun4 probably wants half word accesses to ASI_SEGMAP, while sun4c+ - likes byte accesses. These are to avoid ifdef mania. */ - -#ifdef CONFIG_SUN4 -#define lduXa lduha -#define stXa stha -#else -#define lduXa lduba -#define stXa stba -#endif +/* Support for run-time patching of single instructions. + * This is used to handle the differences in the ASI for + * MMUREGS for LEON and SUN. + * + * Sample: + * LEON_PI(lda [%g0] ASI_LEON_MMUREGS, %o0 + * SUN_PI_(lda [%g0] ASI_M_MMUREGS, %o0 + * PI == Patch Instruction + * + * For LEON we will use the first variant, + * and for all other we will use the SUN variant. + * The order is important. + */ +#define LEON_PI(...) \ +662: __VA_ARGS__ + +#define SUN_PI_(...) \ + .section .leon_1insn_patch, "ax"; \ + .word 662b; \ + __VA_ARGS__; \ + .previous #endif /* !(_SPARC_ASMMACRO_H) */ diff --git a/arch/sparc/include/asm/atomic_32.h b/arch/sparc/include/asm/atomic_32.h index 5c944b5a804..7aed2be45b4 100644 --- a/arch/sparc/include/asm/atomic_32.h +++ b/arch/sparc/include/asm/atomic_32.h @@ -13,19 +13,20 @@ #include <linux/types.h> -typedef struct { volatile int counter; } atomic_t; +#include <asm/cmpxchg.h> +#include <asm/barrier.h> +#include <asm-generic/atomic64.h> -#ifdef __KERNEL__ #define ATOMIC_INIT(i) { (i) } -extern int __atomic_add_return(int, atomic_t *); -extern int atomic_cmpxchg(atomic_t *, int, int); +int __atomic_add_return(int, atomic_t *); +int atomic_cmpxchg(atomic_t *, int, int); #define atomic_xchg(v, new) (xchg(&((v)->counter), new)) -extern int atomic_add_unless(atomic_t *, int, int); -extern void atomic_set(atomic_t *, int); +int __atomic_add_unless(atomic_t *, int, int); +void atomic_set(atomic_t *, int); -#define atomic_read(v) ((v)->counter) +#define atomic_read(v) (*(volatile int *)&(v)->counter) #define atomic_add(i, v) ((void)__atomic_add_return( (int)(i), (v))) #define atomic_sub(i, v) ((void)__atomic_add_return(-(int)(i), (v))) @@ -52,114 +53,4 @@ extern void atomic_set(atomic_t *, int); #define atomic_dec_and_test(v) (atomic_dec_return(v) == 0) #define atomic_sub_and_test(i, v) (atomic_sub_return(i, v) == 0) -#define atomic_inc_not_zero(v) atomic_add_unless((v), 1, 0) - -/* This is the old 24-bit implementation. It's still used internally - * by some sparc-specific code, notably the semaphore implementation. - */ -typedef struct { volatile int counter; } atomic24_t; - -#ifndef CONFIG_SMP - -#define ATOMIC24_INIT(i) { (i) } -#define atomic24_read(v) ((v)->counter) -#define atomic24_set(v, i) (((v)->counter) = i) - -#else -/* We do the bulk of the actual work out of line in two common - * routines in assembler, see arch/sparc/lib/atomic.S for the - * "fun" details. - * - * For SMP the trick is you embed the spin lock byte within - * the word, use the low byte so signedness is easily retained - * via a quick arithmetic shift. It looks like this: - * - * ---------------------------------------- - * | signed 24-bit counter value | lock | atomic_t - * ---------------------------------------- - * 31 8 7 0 - */ - -#define ATOMIC24_INIT(i) { ((i) << 8) } - -static inline int atomic24_read(const atomic24_t *v) -{ - int ret = v->counter; - - while(ret & 0xff) - ret = v->counter; - - return ret >> 8; -} - -#define atomic24_set(v, i) (((v)->counter) = ((i) << 8)) -#endif - -static inline int __atomic24_add(int i, atomic24_t *v) -{ - register volatile int *ptr asm("g1"); - register int increment asm("g2"); - register int tmp1 asm("g3"); - register int tmp2 asm("g4"); - register int tmp3 asm("g7"); - - ptr = &v->counter; - increment = i; - - __asm__ __volatile__( - "mov %%o7, %%g4\n\t" - "call ___atomic24_add\n\t" - " add %%o7, 8, %%o7\n" - : "=&r" (increment), "=r" (tmp1), "=r" (tmp2), "=r" (tmp3) - : "0" (increment), "r" (ptr) - : "memory", "cc"); - - return increment; -} - -static inline int __atomic24_sub(int i, atomic24_t *v) -{ - register volatile int *ptr asm("g1"); - register int increment asm("g2"); - register int tmp1 asm("g3"); - register int tmp2 asm("g4"); - register int tmp3 asm("g7"); - - ptr = &v->counter; - increment = i; - - __asm__ __volatile__( - "mov %%o7, %%g4\n\t" - "call ___atomic24_sub\n\t" - " add %%o7, 8, %%o7\n" - : "=&r" (increment), "=r" (tmp1), "=r" (tmp2), "=r" (tmp3) - : "0" (increment), "r" (ptr) - : "memory", "cc"); - - return increment; -} - -#define atomic24_add(i, v) ((void)__atomic24_add((i), (v))) -#define atomic24_sub(i, v) ((void)__atomic24_sub((i), (v))) - -#define atomic24_dec_return(v) __atomic24_sub(1, (v)) -#define atomic24_inc_return(v) __atomic24_add(1, (v)) - -#define atomic24_sub_and_test(i, v) (__atomic24_sub((i), (v)) == 0) -#define atomic24_dec_and_test(v) (__atomic24_sub(1, (v)) == 0) - -#define atomic24_inc(v) ((void)__atomic24_add(1, (v))) -#define atomic24_dec(v) ((void)__atomic24_sub(1, (v))) - -#define atomic24_add_negative(i, v) (__atomic24_add((i), (v)) < 0) - -/* Atomic operations are already serializing */ -#define smp_mb__before_atomic_dec() barrier() -#define smp_mb__after_atomic_dec() barrier() -#define smp_mb__before_atomic_inc() barrier() -#define smp_mb__after_atomic_inc() barrier() - -#endif /* !(__KERNEL__) */ - -#include <asm-generic/atomic.h> #endif /* !(__ARCH_SPARC_ATOMIC__) */ diff --git a/arch/sparc/include/asm/atomic_64.h b/arch/sparc/include/asm/atomic_64.h index 2c71ec4a3b1..bb894c8bec5 100644 --- a/arch/sparc/include/asm/atomic_64.h +++ b/arch/sparc/include/asm/atomic_64.h @@ -1,36 +1,34 @@ /* atomic.h: Thankfully the V9 is at least reasonable for this * stuff. * - * Copyright (C) 1996, 1997, 2000 David S. Miller (davem@redhat.com) + * Copyright (C) 1996, 1997, 2000, 2012 David S. Miller (davem@redhat.com) */ #ifndef __ARCH_SPARC64_ATOMIC__ #define __ARCH_SPARC64_ATOMIC__ #include <linux/types.h> -#include <asm/system.h> - -typedef struct { volatile int counter; } atomic_t; -typedef struct { volatile __s64 counter; } atomic64_t; +#include <asm/cmpxchg.h> +#include <asm/barrier.h> #define ATOMIC_INIT(i) { (i) } #define ATOMIC64_INIT(i) { (i) } -#define atomic_read(v) ((v)->counter) -#define atomic64_read(v) ((v)->counter) +#define atomic_read(v) (*(volatile int *)&(v)->counter) +#define atomic64_read(v) (*(volatile long *)&(v)->counter) #define atomic_set(v, i) (((v)->counter) = i) #define atomic64_set(v, i) (((v)->counter) = i) -extern void atomic_add(int, atomic_t *); -extern void atomic64_add(int, atomic64_t *); -extern void atomic_sub(int, atomic_t *); -extern void atomic64_sub(int, atomic64_t *); +void atomic_add(int, atomic_t *); +void atomic64_add(long, atomic64_t *); +void atomic_sub(int, atomic_t *); +void atomic64_sub(long, atomic64_t *); -extern int atomic_add_ret(int, atomic_t *); -extern int atomic64_add_ret(int, atomic64_t *); -extern int atomic_sub_ret(int, atomic_t *); -extern int atomic64_sub_ret(int, atomic64_t *); +int atomic_add_ret(int, atomic_t *); +long atomic64_add_ret(long, atomic64_t *); +int atomic_sub_ret(int, atomic_t *); +long atomic64_sub_ret(long, atomic64_t *); #define atomic_dec_return(v) atomic_sub_ret(1, v) #define atomic64_dec_return(v) atomic64_sub_ret(1, v) @@ -73,7 +71,7 @@ extern int atomic64_sub_ret(int, atomic64_t *); #define atomic_cmpxchg(v, o, n) (cmpxchg(&((v)->counter), (o), (n))) #define atomic_xchg(v, new) (xchg(&((v)->counter), new)) -static inline int atomic_add_unless(atomic_t *v, int a, int u) +static inline int __atomic_add_unless(atomic_t *v, int a, int u) { int c, old; c = atomic_read(v); @@ -85,16 +83,14 @@ static inline int atomic_add_unless(atomic_t *v, int a, int u) break; c = old; } - return c != (u); + return c; } -#define atomic_inc_not_zero(v) atomic_add_unless((v), 1, 0) - #define atomic64_cmpxchg(v, o, n) \ ((__typeof__((v)->counter))cmpxchg(&((v)->counter), (o), (n))) #define atomic64_xchg(v, new) (xchg(&((v)->counter), new)) -static inline int atomic64_add_unless(atomic64_t *v, long a, long u) +static inline long atomic64_add_unless(atomic64_t *v, long a, long u) { long c, old; c = atomic64_read(v); @@ -111,18 +107,6 @@ static inline int atomic64_add_unless(atomic64_t *v, long a, long u) #define atomic64_inc_not_zero(v) atomic64_add_unless((v), 1, 0) -/* Atomic operations are already serializing */ -#ifdef CONFIG_SMP -#define smp_mb__before_atomic_dec() membar_storeload_loadload(); -#define smp_mb__after_atomic_dec() membar_storeload_storestore(); -#define smp_mb__before_atomic_inc() membar_storeload_loadload(); -#define smp_mb__after_atomic_inc() membar_storeload_storestore(); -#else -#define smp_mb__before_atomic_dec() barrier() -#define smp_mb__after_atomic_dec() barrier() -#define smp_mb__before_atomic_inc() barrier() -#define smp_mb__after_atomic_inc() barrier() -#endif - -#include <asm-generic/atomic.h> +long atomic64_dec_if_positive(atomic64_t *v); + #endif /* !(__ARCH_SPARC64_ATOMIC__) */ diff --git a/arch/sparc/include/asm/auxio.h b/arch/sparc/include/asm/auxio.h index 13dc67f0301..3e09a07b77e 100644 --- a/arch/sparc/include/asm/auxio.h +++ b/arch/sparc/include/asm/auxio.h @@ -1,5 +1,12 @@ #ifndef ___ASM_SPARC_AUXIO_H #define ___ASM_SPARC_AUXIO_H + +#ifndef __ASSEMBLY__ + +extern void __iomem *auxio_register; + +#endif /* ifndef __ASSEMBLY__ */ + #if defined(__sparc__) && defined(__arch64__) #include <asm/auxio_64.h> #else diff --git a/arch/sparc/include/asm/auxio_32.h b/arch/sparc/include/asm/auxio_32.h index e03e088be95..5d685df427b 100644 --- a/arch/sparc/include/asm/auxio_32.h +++ b/arch/sparc/include/asm/auxio_32.h @@ -6,7 +6,6 @@ #ifndef _SPARC_AUXIO_H #define _SPARC_AUXIO_H -#include <asm/system.h> #include <asm/vaddrs.h> /* This register is an unsigned char in IO space. It does two things. @@ -35,8 +34,8 @@ * NOTE: these routines are implementation dependent-- * understand the hardware you are querying! */ -extern void set_auxio(unsigned char bits_on, unsigned char bits_off); -extern unsigned char get_auxio(void); /* .../asm/floppy.h */ +void set_auxio(unsigned char bits_on, unsigned char bits_off); +unsigned char get_auxio(void); /* .../asm/floppy.h */ /* * The following routines are provided for driver-compatibility @@ -79,7 +78,7 @@ do { \ /* AUXIO2 (Power Off Control) */ -extern __volatile__ unsigned char * auxio_power_register; +extern volatile u8 __iomem *auxio_power_register; #define AUXIO_POWER_DETECT_FAILURE 32 #define AUXIO_POWER_CLEAR_FAILURE 2 diff --git a/arch/sparc/include/asm/auxio_64.h b/arch/sparc/include/asm/auxio_64.h index f61cd1e3e39..6079e59a7ad 100644 --- a/arch/sparc/include/asm/auxio_64.h +++ b/arch/sparc/include/asm/auxio_64.h @@ -75,8 +75,6 @@ #ifndef __ASSEMBLY__ -extern void __iomem *auxio_register; - #define AUXIO_LTE_ON 1 #define AUXIO_LTE_OFF 0 @@ -84,7 +82,7 @@ extern void __iomem *auxio_register; * * on - AUXIO_LTE_ON or AUXIO_LTE_OFF */ -extern void auxio_set_lte(int on); +void auxio_set_lte(int on); #define AUXIO_LED_ON 1 #define AUXIO_LED_OFF 0 @@ -93,7 +91,7 @@ extern void auxio_set_lte(int on); * * on - AUXIO_LED_ON or AUXIO_LED_OFF */ -extern void auxio_set_led(int on); +void auxio_set_led(int on); #endif /* ifndef __ASSEMBLY__ */ diff --git a/arch/sparc/include/asm/auxvec.h b/arch/sparc/include/asm/auxvec.h deleted file mode 100644 index ad6f360261f..00000000000 --- a/arch/sparc/include/asm/auxvec.h +++ /dev/null @@ -1,4 +0,0 @@ -#ifndef __ASMSPARC_AUXVEC_H -#define __ASMSPARC_AUXVEC_H - -#endif /* !(__ASMSPARC_AUXVEC_H) */ diff --git a/arch/sparc/include/asm/backoff.h b/arch/sparc/include/asm/backoff.h index fa1fdf67e35..4e02086b839 100644 --- a/arch/sparc/include/asm/backoff.h +++ b/arch/sparc/include/asm/backoff.h @@ -1,6 +1,46 @@ #ifndef _SPARC64_BACKOFF_H #define _SPARC64_BACKOFF_H +/* The macros in this file implement an exponential backoff facility + * for atomic operations. + * + * When multiple threads compete on an atomic operation, it is + * possible for one thread to be continually denied a successful + * completion of the compare-and-swap instruction. Heavily + * threaded cpu implementations like Niagara can compound this + * problem even further. + * + * When an atomic operation fails and needs to be retried, we spin a + * certain number of times. At each subsequent failure of the same + * operation we double the spin count, realizing an exponential + * backoff. + * + * When we spin, we try to use an operation that will cause the + * current cpu strand to block, and therefore make the core fully + * available to any other other runnable strands. There are two + * options, based upon cpu capabilities. + * + * On all cpus prior to SPARC-T4 we do three dummy reads of the + * condition code register. Each read blocks the strand for something + * between 40 and 50 cpu cycles. + * + * For SPARC-T4 and later we have a special "pause" instruction + * available. This is implemented using writes to register %asr27. + * The cpu will block the number of cycles written into the register, + * unless a disrupting trap happens first. SPARC-T4 specifically + * implements pause with a granularity of 8 cycles. Each strand has + * an internal pause counter which decrements every 8 cycles. So the + * chip shifts the %asr27 value down by 3 bits, and writes the result + * into the pause counter. If a value smaller than 8 is written, the + * chip blocks for 1 cycle. + * + * To achieve the same amount of backoff as the three %ccr reads give + * on earlier chips, we shift the backoff value up by 7 bits. (Three + * %ccr reads block for about 128 cycles, 1 << 7 == 128) We write the + * whole amount we want to block into the pause register, rather than + * loop writing 128 each time. + */ + #define BACKOFF_LIMIT (4 * 1024) #ifdef CONFIG_SMP @@ -8,23 +48,37 @@ #define BACKOFF_SETUP(reg) \ mov 1, reg -#define BACKOFF_SPIN(reg, tmp, label) \ - mov reg, tmp; \ -88: brnz,pt tmp, 88b; \ - sub tmp, 1, tmp; \ - set BACKOFF_LIMIT, tmp; \ - cmp reg, tmp; \ - bg,pn %xcc, label; \ - nop; \ - ba,pt %xcc, label; \ - sllx reg, 1, reg; +#define BACKOFF_LABEL(spin_label, continue_label) \ + spin_label + +#define BACKOFF_SPIN(reg, tmp, label) \ + mov reg, tmp; \ +88: rd %ccr, %g0; \ + rd %ccr, %g0; \ + rd %ccr, %g0; \ + .section .pause_3insn_patch,"ax";\ + .word 88b; \ + sllx tmp, 7, tmp; \ + wr tmp, 0, %asr27; \ + clr tmp; \ + .previous; \ + brnz,pt tmp, 88b; \ + sub tmp, 1, tmp; \ + set BACKOFF_LIMIT, tmp; \ + cmp reg, tmp; \ + bg,pn %xcc, label; \ + nop; \ + ba,pt %xcc, label; \ + sllx reg, 1, reg; #else #define BACKOFF_SETUP(reg) -#define BACKOFF_SPIN(reg, tmp, label) \ - ba,pt %xcc, label; \ - nop; + +#define BACKOFF_LABEL(spin_label, continue_label) \ + continue_label + +#define BACKOFF_SPIN(reg, tmp, label) #endif diff --git a/arch/sparc/include/asm/barrier.h b/arch/sparc/include/asm/barrier.h new file mode 100644 index 00000000000..b25f02a029e --- /dev/null +++ b/arch/sparc/include/asm/barrier.h @@ -0,0 +1,8 @@ +#ifndef ___ASM_SPARC_BARRIER_H +#define ___ASM_SPARC_BARRIER_H +#if defined(__sparc__) && defined(__arch64__) +#include <asm/barrier_64.h> +#else +#include <asm/barrier_32.h> +#endif +#endif diff --git a/arch/sparc/include/asm/barrier_32.h b/arch/sparc/include/asm/barrier_32.h new file mode 100644 index 00000000000..ae69eda288f --- /dev/null +++ b/arch/sparc/include/asm/barrier_32.h @@ -0,0 +1,7 @@ +#ifndef __SPARC_BARRIER_H +#define __SPARC_BARRIER_H + +#include <asm/processor.h> /* for nop() */ +#include <asm-generic/barrier.h> + +#endif /* !(__SPARC_BARRIER_H) */ diff --git a/arch/sparc/include/asm/barrier_64.h b/arch/sparc/include/asm/barrier_64.h new file mode 100644 index 00000000000..305dcc3dc72 --- /dev/null +++ b/arch/sparc/include/asm/barrier_64.h @@ -0,0 +1,74 @@ +#ifndef __SPARC64_BARRIER_H +#define __SPARC64_BARRIER_H + +/* These are here in an effort to more fully work around Spitfire Errata + * #51. Essentially, if a memory barrier occurs soon after a mispredicted + * branch, the chip can stop executing instructions until a trap occurs. + * Therefore, if interrupts are disabled, the chip can hang forever. + * + * It used to be believed that the memory barrier had to be right in the + * delay slot, but a case has been traced recently wherein the memory barrier + * was one instruction after the branch delay slot and the chip still hung. + * The offending sequence was the following in sym_wakeup_done() of the + * sym53c8xx_2 driver: + * + * call sym_ccb_from_dsa, 0 + * movge %icc, 0, %l0 + * brz,pn %o0, .LL1303 + * mov %o0, %l2 + * membar #LoadLoad + * + * The branch has to be mispredicted for the bug to occur. Therefore, we put + * the memory barrier explicitly into a "branch always, predicted taken" + * delay slot to avoid the problem case. + */ +#define membar_safe(type) \ +do { __asm__ __volatile__("ba,pt %%xcc, 1f\n\t" \ + " membar " type "\n" \ + "1:\n" \ + : : : "memory"); \ +} while (0) + +/* The kernel always executes in TSO memory model these days, + * and furthermore most sparc64 chips implement more stringent + * memory ordering than required by the specifications. + */ +#define mb() membar_safe("#StoreLoad") +#define rmb() __asm__ __volatile__("":::"memory") +#define wmb() __asm__ __volatile__("":::"memory") + +#define read_barrier_depends() do { } while(0) +#define set_mb(__var, __value) \ + do { __var = __value; membar_safe("#StoreLoad"); } while(0) + +#ifdef CONFIG_SMP +#define smp_mb() mb() +#define smp_rmb() rmb() +#define smp_wmb() wmb() +#else +#define smp_mb() __asm__ __volatile__("":::"memory") +#define smp_rmb() __asm__ __volatile__("":::"memory") +#define smp_wmb() __asm__ __volatile__("":::"memory") +#endif + +#define smp_read_barrier_depends() do { } while(0) + +#define smp_store_release(p, v) \ +do { \ + compiletime_assert_atomic_type(*p); \ + barrier(); \ + ACCESS_ONCE(*p) = (v); \ +} while (0) + +#define smp_load_acquire(p) \ +({ \ + typeof(*p) ___p1 = ACCESS_ONCE(*p); \ + compiletime_assert_atomic_type(*p); \ + barrier(); \ + ___p1; \ +}) + +#define smp_mb__before_atomic() barrier() +#define smp_mb__after_atomic() barrier() + +#endif /* !(__SPARC64_BARRIER_H) */ diff --git a/arch/sparc/include/asm/bitext.h b/arch/sparc/include/asm/bitext.h index 297b2f2fcb4..9c988bf3adb 100644 --- a/arch/sparc/include/asm/bitext.h +++ b/arch/sparc/include/asm/bitext.h @@ -20,8 +20,8 @@ struct bit_map { int num_colors; }; -extern int bit_map_string_get(struct bit_map *t, int len, int align); -extern void bit_map_clear(struct bit_map *t, int offset, int len); -extern void bit_map_init(struct bit_map *t, unsigned long *map, int size); +int bit_map_string_get(struct bit_map *t, int len, int align); +void bit_map_clear(struct bit_map *t, int offset, int len); +void bit_map_init(struct bit_map *t, unsigned long *map, int size); #endif /* defined(_SPARC_BITEXT_H) */ diff --git a/arch/sparc/include/asm/bitops_32.h b/arch/sparc/include/asm/bitops_32.h index 68b98a7e645..600ed1d9c8c 100644 --- a/arch/sparc/include/asm/bitops_32.h +++ b/arch/sparc/include/asm/bitops_32.h @@ -18,9 +18,9 @@ #error only <linux/bitops.h> can be included directly #endif -extern unsigned long ___set_bit(unsigned long *addr, unsigned long mask); -extern unsigned long ___clear_bit(unsigned long *addr, unsigned long mask); -extern unsigned long ___change_bit(unsigned long *addr, unsigned long mask); +unsigned long ___set_bit(unsigned long *addr, unsigned long mask); +unsigned long ___clear_bit(unsigned long *addr, unsigned long mask); +unsigned long ___change_bit(unsigned long *addr, unsigned long mask); /* * Set bit 'nr' in 32-bit quantity at address 'addr' where bit '0' @@ -90,21 +90,18 @@ static inline void change_bit(unsigned long nr, volatile unsigned long *addr) #include <asm-generic/bitops/non-atomic.h> -#define smp_mb__before_clear_bit() do { } while(0) -#define smp_mb__after_clear_bit() do { } while(0) - #include <asm-generic/bitops/ffz.h> #include <asm-generic/bitops/__ffs.h> #include <asm-generic/bitops/sched.h> #include <asm-generic/bitops/ffs.h> #include <asm-generic/bitops/fls.h> +#include <asm-generic/bitops/__fls.h> #include <asm-generic/bitops/fls64.h> #include <asm-generic/bitops/hweight.h> #include <asm-generic/bitops/lock.h> #include <asm-generic/bitops/find.h> -#include <asm-generic/bitops/ext2-non-atomic.h> +#include <asm-generic/bitops/le.h> #include <asm-generic/bitops/ext2-atomic.h> -#include <asm-generic/bitops/minix.h> #endif /* __KERNEL__ */ diff --git a/arch/sparc/include/asm/bitops_64.h b/arch/sparc/include/asm/bitops_64.h index bb87b808022..2d522402a93 100644 --- a/arch/sparc/include/asm/bitops_64.h +++ b/arch/sparc/include/asm/bitops_64.h @@ -13,79 +13,40 @@ #include <linux/compiler.h> #include <asm/byteorder.h> +#include <asm/barrier.h> -extern int test_and_set_bit(unsigned long nr, volatile unsigned long *addr); -extern int test_and_clear_bit(unsigned long nr, volatile unsigned long *addr); -extern int test_and_change_bit(unsigned long nr, volatile unsigned long *addr); -extern void set_bit(unsigned long nr, volatile unsigned long *addr); -extern void clear_bit(unsigned long nr, volatile unsigned long *addr); -extern void change_bit(unsigned long nr, volatile unsigned long *addr); +int test_and_set_bit(unsigned long nr, volatile unsigned long *addr); +int test_and_clear_bit(unsigned long nr, volatile unsigned long *addr); +int test_and_change_bit(unsigned long nr, volatile unsigned long *addr); +void set_bit(unsigned long nr, volatile unsigned long *addr); +void clear_bit(unsigned long nr, volatile unsigned long *addr); +void change_bit(unsigned long nr, volatile unsigned long *addr); #include <asm-generic/bitops/non-atomic.h> -#ifdef CONFIG_SMP -#define smp_mb__before_clear_bit() membar_storeload_loadload() -#define smp_mb__after_clear_bit() membar_storeload_storestore() -#else -#define smp_mb__before_clear_bit() barrier() -#define smp_mb__after_clear_bit() barrier() -#endif - -#include <asm-generic/bitops/ffz.h> -#include <asm-generic/bitops/__ffs.h> #include <asm-generic/bitops/fls.h> #include <asm-generic/bitops/__fls.h> #include <asm-generic/bitops/fls64.h> #ifdef __KERNEL__ +int ffs(int x); +unsigned long __ffs(unsigned long); + +#include <asm-generic/bitops/ffz.h> #include <asm-generic/bitops/sched.h> -#include <asm-generic/bitops/ffs.h> /* * hweightN: returns the hamming weight (i.e. the number * of bits set) of a N-bit word */ -#ifdef ULTRA_HAS_POPULATION_COUNT - -static inline unsigned int hweight64(unsigned long w) -{ - unsigned int res; - - __asm__ ("popc %1,%0" : "=r" (res) : "r" (w)); - return res; -} - -static inline unsigned int hweight32(unsigned int w) -{ - unsigned int res; - - __asm__ ("popc %1,%0" : "=r" (res) : "r" (w & 0xffffffff)); - return res; -} +unsigned long __arch_hweight64(__u64 w); +unsigned int __arch_hweight32(unsigned int w); +unsigned int __arch_hweight16(unsigned int w); +unsigned int __arch_hweight8(unsigned int w); -static inline unsigned int hweight16(unsigned int w) -{ - unsigned int res; - - __asm__ ("popc %1,%0" : "=r" (res) : "r" (w & 0xffff)); - return res; -} - -static inline unsigned int hweight8(unsigned int w) -{ - unsigned int res; - - __asm__ ("popc %1,%0" : "=r" (res) : "r" (w & 0xff)); - return res; -} - -#else - -#include <asm-generic/bitops/hweight.h> - -#endif +#include <asm-generic/bitops/const_hweight.h> #include <asm-generic/bitops/lock.h> #endif /* __KERNEL__ */ @@ -93,14 +54,9 @@ static inline unsigned int hweight8(unsigned int w) #ifdef __KERNEL__ -#include <asm-generic/bitops/ext2-non-atomic.h> - -#define ext2_set_bit_atomic(lock,nr,addr) \ - test_and_set_bit((nr) ^ 0x38,(unsigned long *)(addr)) -#define ext2_clear_bit_atomic(lock,nr,addr) \ - test_and_clear_bit((nr) ^ 0x38,(unsigned long *)(addr)) +#include <asm-generic/bitops/le.h> -#include <asm-generic/bitops/minix.h> +#include <asm-generic/bitops/ext2-atomic-setbit.h> #endif /* __KERNEL__ */ diff --git a/arch/sparc/include/asm/bpp.h b/arch/sparc/include/asm/bpp.h deleted file mode 100644 index 31f515e499a..00000000000 --- a/arch/sparc/include/asm/bpp.h +++ /dev/null @@ -1,73 +0,0 @@ -#ifndef _SPARC_BPP_H -#define _SPARC_BPP_H - -/* - * Copyright (c) 1995 Picture Elements - * Stephen Williams - * Gus Baldauf - * - * Linux/SPARC port by Peter Zaitcev. - * Integration into SPARC tree by Tom Dyas. - */ - -#include <linux/ioctl.h> - -/* - * This is a driver that supports IEEE Std 1284-1994 communications - * with compliant or compatible devices. It will use whatever features - * the device supports, prefering those that are typically faster. - * - * When the device is opened, it is left in COMPATIBILITY mode, and - * writes work like any printer device. The driver only attempt to - * negotiate 1284 modes when needed so that plugs can be pulled, - * switch boxes switched, etc., without disrupting things. It will - * also leave the device in compatibility mode when closed. - */ - - - -/* - * This driver also supplies ioctls to manually manipulate the - * pins. This is great for testing devices, or writing code to deal - * with bizzarro-mode of the ACME Special TurboThingy Plus. - * - * NOTE: These ioctl currently do not interact well with - * read/write. Caveat emptor. - * - * PUT_PINS allows us to assign the sense of all the pins, including - * the data pins if being driven by the host. The GET_PINS returns the - * pins that the peripheral drives, including data if appropriate. - */ - -# define BPP_PUT_PINS _IOW('B', 1, int) -# define BPP_GET_PINS _IOR('B', 2, char) /* that's bogus - should've been _IO */ -# define BPP_PUT_DATA _IOW('B', 3, int) -# define BPP_GET_DATA _IOR('B', 4, char) /* ditto */ - -/* - * Set the data bus to input mode. Disengage the data bin driver and - * be prepared to read values from the peripheral. If the arg is 0, - * then revert the bus to output mode. - */ -# define BPP_SET_INPUT _IOW('B', 5, int) - -/* - * These bits apply to the PUT operation... - */ -# define BPP_PP_nStrobe 0x0001 -# define BPP_PP_nAutoFd 0x0002 -# define BPP_PP_nInit 0x0004 -# define BPP_PP_nSelectIn 0x0008 - -/* - * These apply to the GET operation, which also reads the current value - * of the previously put values. A bit mask of these will be returned - * as a bit mask in the return code of the ioctl(). - */ -# define BPP_GP_nAck 0x0100 -# define BPP_GP_Busy 0x0200 -# define BPP_GP_PError 0x0400 -# define BPP_GP_Select 0x0800 -# define BPP_GP_nFault 0x1000 - -#endif diff --git a/arch/sparc/include/asm/btext.h b/arch/sparc/include/asm/btext.h new file mode 100644 index 00000000000..75a32b109e1 --- /dev/null +++ b/arch/sparc/include/asm/btext.h @@ -0,0 +1,6 @@ +#ifndef _SPARC_BTEXT_H +#define _SPARC_BTEXT_H + +int btext_find_display(void); + +#endif /* _SPARC_BTEXT_H */ diff --git a/arch/sparc/include/asm/btfixup.h b/arch/sparc/include/asm/btfixup.h deleted file mode 100644 index 797722cf69f..00000000000 --- a/arch/sparc/include/asm/btfixup.h +++ /dev/null @@ -1,208 +0,0 @@ -/* - * asm/btfixup.h: Macros for boot time linking. - * - * Copyright (C) 1998 Jakub Jelinek (jj@sunsite.mff.cuni.cz) - */ - -#ifndef _SPARC_BTFIXUP_H -#define _SPARC_BTFIXUP_H - -#include <linux/init.h> - -#ifndef __ASSEMBLY__ - -#ifdef MODULE -extern unsigned int ___illegal_use_of_BTFIXUP_SIMM13_in_module(void); -extern unsigned int ___illegal_use_of_BTFIXUP_SETHI_in_module(void); -extern unsigned int ___illegal_use_of_BTFIXUP_HALF_in_module(void); -extern unsigned int ___illegal_use_of_BTFIXUP_INT_in_module(void); - -#define BTFIXUP_SIMM13(__name) ___illegal_use_of_BTFIXUP_SIMM13_in_module() -#define BTFIXUP_HALF(__name) ___illegal_use_of_BTFIXUP_HALF_in_module() -#define BTFIXUP_SETHI(__name) ___illegal_use_of_BTFIXUP_SETHI_in_module() -#define BTFIXUP_INT(__name) ___illegal_use_of_BTFIXUP_INT_in_module() -#define BTFIXUP_BLACKBOX(__name) ___illegal_use_of_BTFIXUP_BLACKBOX_in_module - -#else - -#define BTFIXUP_SIMM13(__name) ___sf_##__name() -#define BTFIXUP_HALF(__name) ___af_##__name() -#define BTFIXUP_SETHI(__name) ___hf_##__name() -#define BTFIXUP_INT(__name) ((unsigned int)&___i_##__name) -/* This must be written in assembly and present in a sethi */ -#define BTFIXUP_BLACKBOX(__name) ___b_##__name -#endif /* MODULE */ - -/* Fixup call xx */ - -#define BTFIXUPDEF_CALL(__type, __name, __args...) \ - extern __type ___f_##__name(__args); \ - extern unsigned ___fs_##__name[3]; -#define BTFIXUPDEF_CALL_CONST(__type, __name, __args...) \ - extern __type ___f_##__name(__args) __attribute_const__; \ - extern unsigned ___fs_##__name[3]; -#define BTFIXUP_CALL(__name) ___f_##__name - -#define BTFIXUPDEF_BLACKBOX(__name) \ - extern unsigned ___bs_##__name[2]; - -/* Put bottom 13bits into some register variable */ - -#define BTFIXUPDEF_SIMM13(__name) \ - static inline unsigned int ___sf_##__name(void) __attribute_const__; \ - extern unsigned ___ss_##__name[2]; \ - static inline unsigned int ___sf_##__name(void) { \ - unsigned int ret; \ - __asm__ ("or %%g0, ___s_" #__name ", %0" : "=r"(ret)); \ - return ret; \ - } -#define BTFIXUPDEF_SIMM13_INIT(__name,__val) \ - static inline unsigned int ___sf_##__name(void) __attribute_const__; \ - extern unsigned ___ss_##__name[2]; \ - static inline unsigned int ___sf_##__name(void) { \ - unsigned int ret; \ - __asm__ ("or %%g0, ___s_" #__name "__btset_" #__val ", %0" : "=r"(ret));\ - return ret; \ - } - -/* Put either bottom 13 bits, or upper 22 bits into some register variable - * (depending on the value, this will lead into sethi FIX, reg; or - * mov FIX, reg; ) - */ - -#define BTFIXUPDEF_HALF(__name) \ - static inline unsigned int ___af_##__name(void) __attribute_const__; \ - extern unsigned ___as_##__name[2]; \ - static inline unsigned int ___af_##__name(void) { \ - unsigned int ret; \ - __asm__ ("or %%g0, ___a_" #__name ", %0" : "=r"(ret)); \ - return ret; \ - } -#define BTFIXUPDEF_HALF_INIT(__name,__val) \ - static inline unsigned int ___af_##__name(void) __attribute_const__; \ - extern unsigned ___as_##__name[2]; \ - static inline unsigned int ___af_##__name(void) { \ - unsigned int ret; \ - __asm__ ("or %%g0, ___a_" #__name "__btset_" #__val ", %0" : "=r"(ret));\ - return ret; \ - } - -/* Put upper 22 bits into some register variable */ - -#define BTFIXUPDEF_SETHI(__name) \ - static inline unsigned int ___hf_##__name(void) __attribute_const__; \ - extern unsigned ___hs_##__name[2]; \ - static inline unsigned int ___hf_##__name(void) { \ - unsigned int ret; \ - __asm__ ("sethi %%hi(___h_" #__name "), %0" : "=r"(ret)); \ - return ret; \ - } -#define BTFIXUPDEF_SETHI_INIT(__name,__val) \ - static inline unsigned int ___hf_##__name(void) __attribute_const__; \ - extern unsigned ___hs_##__name[2]; \ - static inline unsigned int ___hf_##__name(void) { \ - unsigned int ret; \ - __asm__ ("sethi %%hi(___h_" #__name "__btset_" #__val "), %0" : \ - "=r"(ret)); \ - return ret; \ - } - -/* Put a full 32bit integer into some register variable */ - -#define BTFIXUPDEF_INT(__name) \ - extern unsigned char ___i_##__name; \ - extern unsigned ___is_##__name[2]; - -#define BTFIXUPCALL_NORM 0x00000000 /* Always call */ -#define BTFIXUPCALL_NOP 0x01000000 /* Possibly optimize to nop */ -#define BTFIXUPCALL_RETINT(i) (0x90102000|((i) & 0x1fff)) /* Possibly optimize to mov i, %o0 */ -#define BTFIXUPCALL_ORINT(i) (0x90122000|((i) & 0x1fff)) /* Possibly optimize to or %o0, i, %o0 */ -#define BTFIXUPCALL_RETO0 0x01000000 /* Return first parameter, actually a nop */ -#define BTFIXUPCALL_ANDNINT(i) (0x902a2000|((i) & 0x1fff)) /* Possibly optimize to andn %o0, i, %o0 */ -#define BTFIXUPCALL_SWAPO0O1 0xd27a0000 /* Possibly optimize to swap [%o0],%o1 */ -#define BTFIXUPCALL_SWAPO0G0 0xc07a0000 /* Possibly optimize to swap [%o0],%g0 */ -#define BTFIXUPCALL_SWAPG1G2 0xc4784000 /* Possibly optimize to swap [%g1],%g2 */ -#define BTFIXUPCALL_STG0O0 0xc0220000 /* Possibly optimize to st %g0,[%o0] */ -#define BTFIXUPCALL_STO1O0 0xd2220000 /* Possibly optimize to st %o1,[%o0] */ - -#define BTFIXUPSET_CALL(__name, __addr, __insn) \ - do { \ - ___fs_##__name[0] |= 1; \ - ___fs_##__name[1] = (unsigned long)__addr; \ - ___fs_##__name[2] = __insn; \ - } while (0) - -#define BTFIXUPSET_BLACKBOX(__name, __func) \ - do { \ - ___bs_##__name[0] |= 1; \ - ___bs_##__name[1] = (unsigned long)__func; \ - } while (0) - -#define BTFIXUPCOPY_CALL(__name, __from) \ - do { \ - ___fs_##__name[0] |= 1; \ - ___fs_##__name[1] = ___fs_##__from[1]; \ - ___fs_##__name[2] = ___fs_##__from[2]; \ - } while (0) - -#define BTFIXUPSET_SIMM13(__name, __val) \ - do { \ - ___ss_##__name[0] |= 1; \ - ___ss_##__name[1] = (unsigned)__val; \ - } while (0) - -#define BTFIXUPCOPY_SIMM13(__name, __from) \ - do { \ - ___ss_##__name[0] |= 1; \ - ___ss_##__name[1] = ___ss_##__from[1]; \ - } while (0) - -#define BTFIXUPSET_HALF(__name, __val) \ - do { \ - ___as_##__name[0] |= 1; \ - ___as_##__name[1] = (unsigned)__val; \ - } while (0) - -#define BTFIXUPCOPY_HALF(__name, __from) \ - do { \ - ___as_##__name[0] |= 1; \ - ___as_##__name[1] = ___as_##__from[1]; \ - } while (0) - -#define BTFIXUPSET_SETHI(__name, __val) \ - do { \ - ___hs_##__name[0] |= 1; \ - ___hs_##__name[1] = (unsigned)__val; \ - } while (0) - -#define BTFIXUPCOPY_SETHI(__name, __from) \ - do { \ - ___hs_##__name[0] |= 1; \ - ___hs_##__name[1] = ___hs_##__from[1]; \ - } while (0) - -#define BTFIXUPSET_INT(__name, __val) \ - do { \ - ___is_##__name[0] |= 1; \ - ___is_##__name[1] = (unsigned)__val; \ - } while (0) - -#define BTFIXUPCOPY_INT(__name, __from) \ - do { \ - ___is_##__name[0] |= 1; \ - ___is_##__name[1] = ___is_##__from[1]; \ - } while (0) - -#define BTFIXUPVAL_CALL(__name) \ - ((unsigned long)___fs_##__name[1]) - -extern void btfixup(void); - -#else /* __ASSEMBLY__ */ - -#define BTFIXUP_SETHI(__name) %hi(___h_ ## __name) -#define BTFIXUP_SETHI_INIT(__name,__val) %hi(___h_ ## __name ## __btset_ ## __val) - -#endif /* __ASSEMBLY__ */ - -#endif /* !(_SPARC_BTFIXUP_H) */ diff --git a/arch/sparc/include/asm/bug.h b/arch/sparc/include/asm/bug.h index 8a59e5a8c21..eaa8f8d3812 100644 --- a/arch/sparc/include/asm/bug.h +++ b/arch/sparc/include/asm/bug.h @@ -5,7 +5,7 @@ #include <linux/compiler.h> #ifdef CONFIG_DEBUG_BUGVERBOSE -extern void do_BUG(const char *file, int line); +void do_BUG(const char *file, int line); #define BUG() do { \ do_BUG(__FILE__, __LINE__); \ __builtin_trap(); \ @@ -19,4 +19,7 @@ extern void do_BUG(const char *file, int line); #include <asm-generic/bug.h> +struct pt_regs; +void __noreturn die_if_kernel(char *str, struct pt_regs *regs); + #endif diff --git a/arch/sparc/include/asm/bugs.h b/arch/sparc/include/asm/bugs.h index e179bc12f64..61d86bbbe2b 100644 --- a/arch/sparc/include/asm/bugs.h +++ b/arch/sparc/include/asm/bugs.h @@ -7,10 +7,6 @@ #include <asm/cpudata.h> #endif -#ifdef CONFIG_SPARC64 -#include <asm/sstate.h> -#endif - extern unsigned long loops_per_jiffy; static void __init check_bugs(void) @@ -18,7 +14,4 @@ static void __init check_bugs(void) #if defined(CONFIG_SPARC32) && !defined(CONFIG_SMP) cpu_data(0).udelay_val = loops_per_jiffy; #endif -#ifdef CONFIG_SPARC64 - sstate_running(); -#endif } diff --git a/arch/sparc/include/asm/byteorder.h b/arch/sparc/include/asm/byteorder.h deleted file mode 100644 index bcd83aa351c..00000000000 --- a/arch/sparc/include/asm/byteorder.h +++ /dev/null @@ -1,57 +0,0 @@ -#ifndef _SPARC_BYTEORDER_H -#define _SPARC_BYTEORDER_H - -#include <asm/types.h> -#include <asm/asi.h> - -#ifdef __GNUC__ - -#ifdef CONFIG_SPARC32 -#define __SWAB_64_THRU_32__ -#endif - -#ifdef CONFIG_SPARC64 - -static inline __u16 ___arch__swab16p(const __u16 *addr) -{ - __u16 ret; - - __asm__ __volatile__ ("lduha [%1] %2, %0" - : "=r" (ret) - : "r" (addr), "i" (ASI_PL)); - return ret; -} - -static inline __u32 ___arch__swab32p(const __u32 *addr) -{ - __u32 ret; - - __asm__ __volatile__ ("lduwa [%1] %2, %0" - : "=r" (ret) - : "r" (addr), "i" (ASI_PL)); - return ret; -} - -static inline __u64 ___arch__swab64p(const __u64 *addr) -{ - __u64 ret; - - __asm__ __volatile__ ("ldxa [%1] %2, %0" - : "=r" (ret) - : "r" (addr), "i" (ASI_PL)); - return ret; -} - -#define __arch__swab16p(x) ___arch__swab16p(x) -#define __arch__swab32p(x) ___arch__swab32p(x) -#define __arch__swab64p(x) ___arch__swab64p(x) - -#endif /* CONFIG_SPARC64 */ - -#define __BYTEORDER_HAS_U64__ - -#endif - -#include <linux/byteorder/big_endian.h> - -#endif /* _SPARC_BYTEORDER_H */ diff --git a/arch/sparc/include/asm/cache.h b/arch/sparc/include/asm/cache.h index 41f85ae4bd4..5bb6991b485 100644 --- a/arch/sparc/include/asm/cache.h +++ b/arch/sparc/include/asm/cache.h @@ -7,9 +7,10 @@ #ifndef _SPARC_CACHE_H #define _SPARC_CACHE_H +#define ARCH_SLAB_MINALIGN __alignof__(unsigned long long) + #define L1_CACHE_SHIFT 5 #define L1_CACHE_BYTES 32 -#define L1_CACHE_ALIGN(x) ((((x)+(L1_CACHE_BYTES-1))&~(L1_CACHE_BYTES-1))) #ifdef CONFIG_SPARC32 #define SMP_CACHE_BYTES_SHIFT 5 @@ -19,120 +20,6 @@ #define SMP_CACHE_BYTES (1 << SMP_CACHE_BYTES_SHIFT) -#define __read_mostly __attribute__((__section__(".data.read_mostly"))) - -#ifdef CONFIG_SPARC32 -#include <asm/asi.h> - -/* Direct access to the instruction cache is provided through and - * alternate address space. The IDC bit must be off in the ICCR on - * HyperSparcs for these accesses to work. The code below does not do - * any checking, the caller must do so. These routines are for - * diagnostics only, but could end up being useful. Use with care. - * Also, you are asking for trouble if you execute these in one of the - * three instructions following a %asr/%psr access or modification. - */ - -/* First, cache-tag access. */ -static inline unsigned int get_icache_tag(int setnum, int tagnum) -{ - unsigned int vaddr, retval; - - vaddr = ((setnum&1) << 12) | ((tagnum&0x7f) << 5); - __asm__ __volatile__("lda [%1] %2, %0\n\t" : - "=r" (retval) : - "r" (vaddr), "i" (ASI_M_TXTC_TAG)); - return retval; -} - -static inline void put_icache_tag(int setnum, int tagnum, unsigned int entry) -{ - unsigned int vaddr; - - vaddr = ((setnum&1) << 12) | ((tagnum&0x7f) << 5); - __asm__ __volatile__("sta %0, [%1] %2\n\t" : : - "r" (entry), "r" (vaddr), "i" (ASI_M_TXTC_TAG) : - "memory"); -} - -/* Second cache-data access. The data is returned two-32bit quantities - * at a time. - */ -static inline void get_icache_data(int setnum, int tagnum, int subblock, - unsigned int *data) -{ - unsigned int value1, value2, vaddr; - - vaddr = ((setnum&0x1) << 12) | ((tagnum&0x7f) << 5) | - ((subblock&0x3) << 3); - __asm__ __volatile__("ldda [%2] %3, %%g2\n\t" - "or %%g0, %%g2, %0\n\t" - "or %%g0, %%g3, %1\n\t" : - "=r" (value1), "=r" (value2) : - "r" (vaddr), "i" (ASI_M_TXTC_DATA) : - "g2", "g3"); - data[0] = value1; data[1] = value2; -} - -static inline void put_icache_data(int setnum, int tagnum, int subblock, - unsigned int *data) -{ - unsigned int value1, value2, vaddr; - - vaddr = ((setnum&0x1) << 12) | ((tagnum&0x7f) << 5) | - ((subblock&0x3) << 3); - value1 = data[0]; value2 = data[1]; - __asm__ __volatile__("or %%g0, %0, %%g2\n\t" - "or %%g0, %1, %%g3\n\t" - "stda %%g2, [%2] %3\n\t" : : - "r" (value1), "r" (value2), - "r" (vaddr), "i" (ASI_M_TXTC_DATA) : - "g2", "g3", "memory" /* no joke */); -} - -/* Different types of flushes with the ICACHE. Some of the flushes - * affect both the ICACHE and the external cache. Others only clear - * the ICACHE entries on the cpu itself. V8's (most) allow - * granularity of flushes on the packet (element in line), whole line, - * and entire cache (ie. all lines) level. The ICACHE only flushes are - * ROSS HyperSparc specific and are in ross.h - */ - -/* Flushes which clear out both the on-chip and external caches */ -static inline void flush_ei_page(unsigned int addr) -{ - __asm__ __volatile__("sta %%g0, [%0] %1\n\t" : : - "r" (addr), "i" (ASI_M_FLUSH_PAGE) : - "memory"); -} - -static inline void flush_ei_seg(unsigned int addr) -{ - __asm__ __volatile__("sta %%g0, [%0] %1\n\t" : : - "r" (addr), "i" (ASI_M_FLUSH_SEG) : - "memory"); -} - -static inline void flush_ei_region(unsigned int addr) -{ - __asm__ __volatile__("sta %%g0, [%0] %1\n\t" : : - "r" (addr), "i" (ASI_M_FLUSH_REGION) : - "memory"); -} - -static inline void flush_ei_ctx(unsigned int addr) -{ - __asm__ __volatile__("sta %%g0, [%0] %1\n\t" : : - "r" (addr), "i" (ASI_M_FLUSH_CTX) : - "memory"); -} - -static inline void flush_ei_user(unsigned int addr) -{ - __asm__ __volatile__("sta %%g0, [%0] %1\n\t" : : - "r" (addr), "i" (ASI_M_FLUSH_USER) : - "memory"); -} -#endif /* CONFIG_SPARC32 */ +#define __read_mostly __attribute__((__section__(".data..read_mostly"))) #endif /* !(_SPARC_CACHE_H) */ diff --git a/arch/sparc/include/asm/cacheflush.h b/arch/sparc/include/asm/cacheflush.h index 049168087b1..f6c4839b838 100644 --- a/arch/sparc/include/asm/cacheflush.h +++ b/arch/sparc/include/asm/cacheflush.h @@ -1,5 +1,9 @@ #ifndef ___ASM_SPARC_CACHEFLUSH_H #define ___ASM_SPARC_CACHEFLUSH_H + +/* flush addr - to allow use of self-modifying code */ +#define flushi(addr) __asm__ __volatile__ ("flush %0" : : "r" (addr) : "memory") + #if defined(__sparc__) && defined(__arch64__) #include <asm/cacheflush_64.h> #else diff --git a/arch/sparc/include/asm/cacheflush_32.h b/arch/sparc/include/asm/cacheflush_32.h index 68ac1091027..12164006181 100644 --- a/arch/sparc/include/asm/cacheflush_32.h +++ b/arch/sparc/include/asm/cacheflush_32.h @@ -1,56 +1,18 @@ #ifndef _SPARC_CACHEFLUSH_H #define _SPARC_CACHEFLUSH_H -#include <linux/mm.h> /* Common for other includes */ -// #include <linux/kernel.h> from pgalloc.h -// #include <linux/sched.h> from pgalloc.h - -// #include <asm/page.h> -#include <asm/btfixup.h> - -/* - * Fine grained cache flushing. - */ -#ifdef CONFIG_SMP - -BTFIXUPDEF_CALL(void, local_flush_cache_all, void) -BTFIXUPDEF_CALL(void, local_flush_cache_mm, struct mm_struct *) -BTFIXUPDEF_CALL(void, local_flush_cache_range, struct vm_area_struct *, unsigned long, unsigned long) -BTFIXUPDEF_CALL(void, local_flush_cache_page, struct vm_area_struct *, unsigned long) - -#define local_flush_cache_all() BTFIXUP_CALL(local_flush_cache_all)() -#define local_flush_cache_mm(mm) BTFIXUP_CALL(local_flush_cache_mm)(mm) -#define local_flush_cache_range(vma,start,end) BTFIXUP_CALL(local_flush_cache_range)(vma,start,end) -#define local_flush_cache_page(vma,addr) BTFIXUP_CALL(local_flush_cache_page)(vma,addr) - -BTFIXUPDEF_CALL(void, local_flush_page_to_ram, unsigned long) -BTFIXUPDEF_CALL(void, local_flush_sig_insns, struct mm_struct *, unsigned long) - -#define local_flush_page_to_ram(addr) BTFIXUP_CALL(local_flush_page_to_ram)(addr) -#define local_flush_sig_insns(mm,insn_addr) BTFIXUP_CALL(local_flush_sig_insns)(mm,insn_addr) - -extern void smp_flush_cache_all(void); -extern void smp_flush_cache_mm(struct mm_struct *mm); -extern void smp_flush_cache_range(struct vm_area_struct *vma, - unsigned long start, - unsigned long end); -extern void smp_flush_cache_page(struct vm_area_struct *vma, unsigned long page); - -extern void smp_flush_page_to_ram(unsigned long page); -extern void smp_flush_sig_insns(struct mm_struct *mm, unsigned long insn_addr); - -#endif /* CONFIG_SMP */ - -BTFIXUPDEF_CALL(void, flush_cache_all, void) -BTFIXUPDEF_CALL(void, flush_cache_mm, struct mm_struct *) -BTFIXUPDEF_CALL(void, flush_cache_range, struct vm_area_struct *, unsigned long, unsigned long) -BTFIXUPDEF_CALL(void, flush_cache_page, struct vm_area_struct *, unsigned long) - -#define flush_cache_all() BTFIXUP_CALL(flush_cache_all)() -#define flush_cache_mm(mm) BTFIXUP_CALL(flush_cache_mm)(mm) -#define flush_cache_dup_mm(mm) BTFIXUP_CALL(flush_cache_mm)(mm) -#define flush_cache_range(vma,start,end) BTFIXUP_CALL(flush_cache_range)(vma,start,end) -#define flush_cache_page(vma,addr,pfn) BTFIXUP_CALL(flush_cache_page)(vma,addr) +#include <asm/cachetlb_32.h> + +#define flush_cache_all() \ + sparc32_cachetlb_ops->cache_all() +#define flush_cache_mm(mm) \ + sparc32_cachetlb_ops->cache_mm(mm) +#define flush_cache_dup_mm(mm) \ + sparc32_cachetlb_ops->cache_mm(mm) +#define flush_cache_range(vma,start,end) \ + sparc32_cachetlb_ops->cache_range(vma, start, end) +#define flush_cache_page(vma,addr,pfn) \ + sparc32_cachetlb_ops->cache_page(vma, addr) #define flush_icache_range(start, end) do { } while (0) #define flush_icache_page(vma, pg) do { } while (0) @@ -67,14 +29,16 @@ BTFIXUPDEF_CALL(void, flush_cache_page, struct vm_area_struct *, unsigned long) memcpy(dst, src, len); \ } while (0) -BTFIXUPDEF_CALL(void, __flush_page_to_ram, unsigned long) -BTFIXUPDEF_CALL(void, flush_sig_insns, struct mm_struct *, unsigned long) +#define __flush_page_to_ram(addr) \ + sparc32_cachetlb_ops->page_to_ram(addr) +#define flush_sig_insns(mm,insn_addr) \ + sparc32_cachetlb_ops->sig_insns(mm, insn_addr) +#define flush_page_for_dma(addr) \ + sparc32_cachetlb_ops->page_for_dma(addr) -#define __flush_page_to_ram(addr) BTFIXUP_CALL(__flush_page_to_ram)(addr) -#define flush_sig_insns(mm,insn_addr) BTFIXUP_CALL(flush_sig_insns)(mm,insn_addr) - -extern void sparc_flush_page_to_ram(struct page *page); +void sparc_flush_page_to_ram(struct page *page); +#define ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE 1 #define flush_dcache_page(page) sparc_flush_page_to_ram(page) #define flush_dcache_mmap_lock(mapping) do { } while (0) #define flush_dcache_mmap_unlock(mapping) do { } while (0) @@ -82,4 +46,13 @@ extern void sparc_flush_page_to_ram(struct page *page); #define flush_cache_vmap(start, end) flush_cache_all() #define flush_cache_vunmap(start, end) flush_cache_all() +/* When a context switch happens we must flush all user windows so that + * the windows of the current process are flushed onto its stack. This + * way the windows are all clean for the next process and the stack + * frames are up to date. + */ +void flush_user_windows(void); +void kill_user_windows(void); +void flushw_all(void); + #endif /* _SPARC_CACHEFLUSH_H */ diff --git a/arch/sparc/include/asm/cacheflush_64.h b/arch/sparc/include/asm/cacheflush_64.h index c43321729b3..38965379e35 100644 --- a/arch/sparc/include/asm/cacheflush_64.h +++ b/arch/sparc/include/asm/cacheflush_64.h @@ -8,6 +8,13 @@ #include <linux/mm.h> /* Cache flush operations. */ +#define flushw_all() __asm__ __volatile__("flushw") + +void __flushw_user(void); +#define flushw_user() __flushw_user() + +#define flush_user_windows flushw_user +#define flush_register_windows flushw_all /* These are the same regardless of whether this is an SMP kernel or not. */ #define flush_cache_mm(__mm) \ @@ -23,28 +30,29 @@ * use block commit stores (which invalidate icache lines) during * module load, so we need this. */ -extern void flush_icache_range(unsigned long start, unsigned long end); -extern void __flush_icache_page(unsigned long); +void flush_icache_range(unsigned long start, unsigned long end); +void __flush_icache_page(unsigned long); -extern void __flush_dcache_page(void *addr, int flush_icache); -extern void flush_dcache_page_impl(struct page *page); +void __flush_dcache_page(void *addr, int flush_icache); +void flush_dcache_page_impl(struct page *page); #ifdef CONFIG_SMP -extern void smp_flush_dcache_page_impl(struct page *page, int cpu); -extern void flush_dcache_page_all(struct mm_struct *mm, struct page *page); +void smp_flush_dcache_page_impl(struct page *page, int cpu); +void flush_dcache_page_all(struct mm_struct *mm, struct page *page); #else #define smp_flush_dcache_page_impl(page,cpu) flush_dcache_page_impl(page) #define flush_dcache_page_all(mm,page) flush_dcache_page_impl(page) #endif -extern void __flush_dcache_range(unsigned long start, unsigned long end); -extern void flush_dcache_page(struct page *page); +void __flush_dcache_range(unsigned long start, unsigned long end); +#define ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE 1 +void flush_dcache_page(struct page *page); #define flush_icache_page(vma, pg) do { } while(0) #define flush_icache_user_range(vma,pg,adr,len) do { } while (0) -extern void flush_ptrace_access(struct vm_area_struct *, struct page *, - unsigned long uaddr, void *kaddr, - unsigned long len, int write); +void flush_ptrace_access(struct vm_area_struct *, struct page *, + unsigned long uaddr, void *kaddr, + unsigned long len, int write); #define copy_to_user_page(vma, page, vaddr, dst, src, len) \ do { \ diff --git a/arch/sparc/include/asm/cachetlb_32.h b/arch/sparc/include/asm/cachetlb_32.h new file mode 100644 index 00000000000..efb19889a08 --- /dev/null +++ b/arch/sparc/include/asm/cachetlb_32.h @@ -0,0 +1,29 @@ +#ifndef _SPARC_CACHETLB_H +#define _SPARC_CACHETLB_H + +struct mm_struct; +struct vm_area_struct; + +struct sparc32_cachetlb_ops { + void (*cache_all)(void); + void (*cache_mm)(struct mm_struct *); + void (*cache_range)(struct vm_area_struct *, unsigned long, + unsigned long); + void (*cache_page)(struct vm_area_struct *, unsigned long); + + void (*tlb_all)(void); + void (*tlb_mm)(struct mm_struct *); + void (*tlb_range)(struct vm_area_struct *, unsigned long, + unsigned long); + void (*tlb_page)(struct vm_area_struct *, unsigned long); + + void (*page_to_ram)(unsigned long); + void (*sig_insns)(struct mm_struct *, unsigned long); + void (*page_for_dma)(unsigned long); +}; +extern const struct sparc32_cachetlb_ops *sparc32_cachetlb_ops; +#ifdef CONFIG_SMP +extern const struct sparc32_cachetlb_ops *local_ops; +#endif + +#endif /* SPARC_CACHETLB_H */ diff --git a/arch/sparc/include/asm/checksum_32.h b/arch/sparc/include/asm/checksum_32.h index bdbda1453aa..426b2389a1c 100644 --- a/arch/sparc/include/asm/checksum_32.h +++ b/arch/sparc/include/asm/checksum_32.h @@ -29,7 +29,7 @@ * * it's best to have buff aligned on a 32-bit boundary */ -extern __wsum csum_partial(const void *buff, int len, __wsum sum); +__wsum csum_partial(const void *buff, int len, __wsum sum); /* the same as csum_partial, but copies from fs:src while it * checksums @@ -38,7 +38,7 @@ extern __wsum csum_partial(const void *buff, int len, __wsum sum); * better 64-bit) boundary */ -extern unsigned int __csum_partial_copy_sparc_generic (const unsigned char *, unsigned char *); +unsigned int __csum_partial_copy_sparc_generic (const unsigned char *, unsigned char *); static inline __wsum csum_partial_copy_nocheck(const void *src, void *dst, int len, __wsum sum) @@ -238,4 +238,16 @@ static inline __sum16 ip_compute_csum(const void *buff, int len) return csum_fold(csum_partial(buff, len, 0)); } +#define HAVE_ARCH_CSUM_ADD +static inline __wsum csum_add(__wsum csum, __wsum addend) +{ + __asm__ __volatile__( + "addcc %0, %1, %0\n" + "addx %0, %%g0, %0" + : "=r" (csum) + : "r" (addend), "0" (csum)); + + return csum; +} + #endif /* !(__SPARC_CHECKSUM_H) */ diff --git a/arch/sparc/include/asm/checksum_64.h b/arch/sparc/include/asm/checksum_64.h index 019b9615e43..b8779a6a591 100644 --- a/arch/sparc/include/asm/checksum_64.h +++ b/arch/sparc/include/asm/checksum_64.h @@ -29,7 +29,7 @@ * * it's best to have buff aligned on a 32-bit boundary */ -extern __wsum csum_partial(const void * buff, int len, __wsum sum); +__wsum csum_partial(const void * buff, int len, __wsum sum); /* the same as csum_partial, but copies from user space while it * checksums @@ -37,12 +37,12 @@ extern __wsum csum_partial(const void * buff, int len, __wsum sum); * here even more important to align src and dst on a 32-bit (or even * better 64-bit) boundary */ -extern __wsum csum_partial_copy_nocheck(const void *src, void *dst, - int len, __wsum sum); +__wsum csum_partial_copy_nocheck(const void *src, void *dst, + int len, __wsum sum); -extern long __csum_partial_copy_from_user(const void __user *src, - void *dst, int len, - __wsum sum); +long __csum_partial_copy_from_user(const void __user *src, + void *dst, int len, + __wsum sum); static inline __wsum csum_partial_copy_from_user(const void __user *src, @@ -59,9 +59,9 @@ csum_partial_copy_from_user(const void __user *src, * Copy and checksum to user */ #define HAVE_CSUM_COPY_USER -extern long __csum_partial_copy_to_user(const void *src, - void __user *dst, int len, - __wsum sum); +long __csum_partial_copy_to_user(const void *src, + void __user *dst, int len, + __wsum sum); static inline __wsum csum_and_copy_to_user(const void *src, @@ -77,7 +77,7 @@ csum_and_copy_to_user(const void *src, /* ihl is always 5 or greater, almost always is 5, and iph is word aligned * the majority of the time. */ -extern __sum16 ip_fast_csum(const void *iph, unsigned int ihl); +__sum16 ip_fast_csum(const void *iph, unsigned int ihl); /* Fold a partial checksum without adding pseudo headers. */ static inline __sum16 csum_fold(__wsum sum) @@ -96,9 +96,9 @@ static inline __sum16 csum_fold(__wsum sum) } static inline __wsum csum_tcpudp_nofold(__be32 saddr, __be32 daddr, - unsigned int len, - unsigned short proto, - __wsum sum) + unsigned int len, + unsigned short proto, + __wsum sum) { __asm__ __volatile__( " addcc %1, %0, %0\n" @@ -116,9 +116,9 @@ static inline __wsum csum_tcpudp_nofold(__be32 saddr, __be32 daddr, * returns a 16-bit checksum, already complemented */ static inline __sum16 csum_tcpudp_magic(__be32 saddr, __be32 daddr, - unsigned short len, - unsigned short proto, - __wsum sum) + unsigned short len, + unsigned short proto, + __wsum sum) { return csum_fold(csum_tcpudp_nofold(saddr,daddr,len,proto,sum)); } @@ -164,4 +164,16 @@ static inline __sum16 ip_compute_csum(const void *buff, int len) return csum_fold(csum_partial(buff, len, 0)); } +#define HAVE_ARCH_CSUM_ADD +static inline __wsum csum_add(__wsum csum, __wsum addend) +{ + __asm__ __volatile__( + "addcc %0, %1, %0\n" + "addx %0, %%g0, %0" + : "=r" (csum) + : "r" (addend), "0" (csum)); + + return csum; +} + #endif /* !(__SPARC64_CHECKSUM_H) */ diff --git a/arch/sparc/include/asm/cmpxchg.h b/arch/sparc/include/asm/cmpxchg.h new file mode 100644 index 00000000000..9355893efa5 --- /dev/null +++ b/arch/sparc/include/asm/cmpxchg.h @@ -0,0 +1,8 @@ +#ifndef ___ASM_SPARC_CMPXCHG_H +#define ___ASM_SPARC_CMPXCHG_H +#if defined(__sparc__) && defined(__arch64__) +#include <asm/cmpxchg_64.h> +#else +#include <asm/cmpxchg_32.h> +#endif +#endif diff --git a/arch/sparc/include/asm/cmpxchg_32.h b/arch/sparc/include/asm/cmpxchg_32.h new file mode 100644 index 00000000000..32c29a133f9 --- /dev/null +++ b/arch/sparc/include/asm/cmpxchg_32.h @@ -0,0 +1,85 @@ +/* 32-bit atomic xchg() and cmpxchg() definitions. + * + * Copyright (C) 1996 David S. Miller (davem@davemloft.net) + * Copyright (C) 2000 Anton Blanchard (anton@linuxcare.com.au) + * Copyright (C) 2007 Kyle McMartin (kyle@parisc-linux.org) + * + * Additions by Keith M Wesolowski (wesolows@foobazco.org) based + * on asm-parisc/atomic.h Copyright (C) 2000 Philipp Rumpf <prumpf@tux.org>. + */ + +#ifndef __ARCH_SPARC_CMPXCHG__ +#define __ARCH_SPARC_CMPXCHG__ + +static inline unsigned long xchg_u32(__volatile__ unsigned long *m, unsigned long val) +{ + __asm__ __volatile__("swap [%2], %0" + : "=&r" (val) + : "0" (val), "r" (m) + : "memory"); + return val; +} + +void __xchg_called_with_bad_pointer(void); + +static inline unsigned long __xchg(unsigned long x, __volatile__ void * ptr, int size) +{ + switch (size) { + case 4: + return xchg_u32(ptr, x); + } + __xchg_called_with_bad_pointer(); + return x; +} + +#define xchg(ptr,x) ((__typeof__(*(ptr)))__xchg((unsigned long)(x),(ptr),sizeof(*(ptr)))) + +/* Emulate cmpxchg() the same way we emulate atomics, + * by hashing the object address and indexing into an array + * of spinlocks to get a bit of performance... + * + * See arch/sparc/lib/atomic32.c for implementation. + * + * Cribbed from <asm-parisc/atomic.h> + */ +#define __HAVE_ARCH_CMPXCHG 1 + +/* bug catcher for when unsupported size is used - won't link */ +void __cmpxchg_called_with_bad_pointer(void); +/* we only need to support cmpxchg of a u32 on sparc */ +unsigned long __cmpxchg_u32(volatile u32 *m, u32 old, u32 new_); + +/* don't worry...optimizer will get rid of most of this */ +static inline unsigned long +__cmpxchg(volatile void *ptr, unsigned long old, unsigned long new_, int size) +{ + switch (size) { + case 4: + return __cmpxchg_u32((u32 *)ptr, (u32)old, (u32)new_); + default: + __cmpxchg_called_with_bad_pointer(); + break; + } + return old; +} + +#define cmpxchg(ptr, o, n) \ +({ \ + __typeof__(*(ptr)) _o_ = (o); \ + __typeof__(*(ptr)) _n_ = (n); \ + (__typeof__(*(ptr))) __cmpxchg((ptr), (unsigned long)_o_, \ + (unsigned long)_n_, sizeof(*(ptr))); \ +}) + +#include <asm-generic/cmpxchg-local.h> + +/* + * cmpxchg_local and cmpxchg64_local are atomic wrt current CPU. Always make + * them available. + */ +#define cmpxchg_local(ptr, o, n) \ + ((__typeof__(*(ptr)))__cmpxchg_local_generic((ptr), (unsigned long)(o),\ + (unsigned long)(n), sizeof(*(ptr)))) +#define cmpxchg64_local(ptr, o, n) __cmpxchg64_local_generic((ptr), (o), (n)) + +#endif /* __ARCH_SPARC_CMPXCHG__ */ diff --git a/arch/sparc/include/asm/cmpxchg_64.h b/arch/sparc/include/asm/cmpxchg_64.h new file mode 100644 index 00000000000..0e1ed6cfbf6 --- /dev/null +++ b/arch/sparc/include/asm/cmpxchg_64.h @@ -0,0 +1,146 @@ +/* 64-bit atomic xchg() and cmpxchg() definitions. + * + * Copyright (C) 1996, 1997, 2000 David S. Miller (davem@redhat.com) + */ + +#ifndef __ARCH_SPARC64_CMPXCHG__ +#define __ARCH_SPARC64_CMPXCHG__ + +static inline unsigned long xchg32(__volatile__ unsigned int *m, unsigned int val) +{ + unsigned long tmp1, tmp2; + + __asm__ __volatile__( +" mov %0, %1\n" +"1: lduw [%4], %2\n" +" cas [%4], %2, %0\n" +" cmp %2, %0\n" +" bne,a,pn %%icc, 1b\n" +" mov %1, %0\n" + : "=&r" (val), "=&r" (tmp1), "=&r" (tmp2) + : "0" (val), "r" (m) + : "cc", "memory"); + return val; +} + +static inline unsigned long xchg64(__volatile__ unsigned long *m, unsigned long val) +{ + unsigned long tmp1, tmp2; + + __asm__ __volatile__( +" mov %0, %1\n" +"1: ldx [%4], %2\n" +" casx [%4], %2, %0\n" +" cmp %2, %0\n" +" bne,a,pn %%xcc, 1b\n" +" mov %1, %0\n" + : "=&r" (val), "=&r" (tmp1), "=&r" (tmp2) + : "0" (val), "r" (m) + : "cc", "memory"); + return val; +} + +#define xchg(ptr,x) ((__typeof__(*(ptr)))__xchg((unsigned long)(x),(ptr),sizeof(*(ptr)))) + +void __xchg_called_with_bad_pointer(void); + +static inline unsigned long __xchg(unsigned long x, __volatile__ void * ptr, + int size) +{ + switch (size) { + case 4: + return xchg32(ptr, x); + case 8: + return xchg64(ptr, x); + } + __xchg_called_with_bad_pointer(); + return x; +} + +/* + * Atomic compare and exchange. Compare OLD with MEM, if identical, + * store NEW in MEM. Return the initial value in MEM. Success is + * indicated by comparing RETURN with OLD. + */ + +#include <asm-generic/cmpxchg-local.h> + +#define __HAVE_ARCH_CMPXCHG 1 + +static inline unsigned long +__cmpxchg_u32(volatile int *m, int old, int new) +{ + __asm__ __volatile__("cas [%2], %3, %0" + : "=&r" (new) + : "0" (new), "r" (m), "r" (old) + : "memory"); + + return new; +} + +static inline unsigned long +__cmpxchg_u64(volatile long *m, unsigned long old, unsigned long new) +{ + __asm__ __volatile__("casx [%2], %3, %0" + : "=&r" (new) + : "0" (new), "r" (m), "r" (old) + : "memory"); + + return new; +} + +/* This function doesn't exist, so you'll get a linker error + if something tries to do an invalid cmpxchg(). */ +void __cmpxchg_called_with_bad_pointer(void); + +static inline unsigned long +__cmpxchg(volatile void *ptr, unsigned long old, unsigned long new, int size) +{ + switch (size) { + case 4: + return __cmpxchg_u32(ptr, old, new); + case 8: + return __cmpxchg_u64(ptr, old, new); + } + __cmpxchg_called_with_bad_pointer(); + return old; +} + +#define cmpxchg(ptr,o,n) \ + ({ \ + __typeof__(*(ptr)) _o_ = (o); \ + __typeof__(*(ptr)) _n_ = (n); \ + (__typeof__(*(ptr))) __cmpxchg((ptr), (unsigned long)_o_, \ + (unsigned long)_n_, sizeof(*(ptr))); \ + }) + +/* + * cmpxchg_local and cmpxchg64_local are atomic wrt current CPU. Always make + * them available. + */ + +static inline unsigned long __cmpxchg_local(volatile void *ptr, + unsigned long old, + unsigned long new, int size) +{ + switch (size) { + case 4: + case 8: return __cmpxchg(ptr, old, new, size); + default: + return __cmpxchg_local_generic(ptr, old, new, size); + } + + return old; +} + +#define cmpxchg_local(ptr, o, n) \ + ((__typeof__(*(ptr)))__cmpxchg_local((ptr), (unsigned long)(o), \ + (unsigned long)(n), sizeof(*(ptr)))) +#define cmpxchg64_local(ptr, o, n) \ + ({ \ + BUILD_BUG_ON(sizeof(*(ptr)) != 8); \ + cmpxchg_local((ptr), (o), (n)); \ + }) +#define cmpxchg64(ptr, o, n) cmpxchg64_local((ptr), (o), (n)) + +#endif /* __ARCH_SPARC64_CMPXCHG__ */ diff --git a/arch/sparc/include/asm/cmt.h b/arch/sparc/include/asm/cmt.h deleted file mode 100644 index 870db592857..00000000000 --- a/arch/sparc/include/asm/cmt.h +++ /dev/null @@ -1,59 +0,0 @@ -#ifndef _SPARC64_CMT_H -#define _SPARC64_CMT_H - -/* cmt.h: Chip Multi-Threading register definitions - * - * Copyright (C) 2004 David S. Miller (davem@redhat.com) - */ - -/* ASI_CORE_ID - private */ -#define LP_ID 0x0000000000000010UL -#define LP_ID_MAX 0x00000000003f0000UL -#define LP_ID_ID 0x000000000000003fUL - -/* ASI_INTR_ID - private */ -#define LP_INTR_ID 0x0000000000000000UL -#define LP_INTR_ID_ID 0x00000000000003ffUL - -/* ASI_CESR_ID - private */ -#define CESR_ID 0x0000000000000040UL -#define CESR_ID_ID 0x00000000000000ffUL - -/* ASI_CORE_AVAILABLE - shared */ -#define LP_AVAIL 0x0000000000000000UL -#define LP_AVAIL_1 0x0000000000000002UL -#define LP_AVAIL_0 0x0000000000000001UL - -/* ASI_CORE_ENABLE_STATUS - shared */ -#define LP_ENAB_STAT 0x0000000000000010UL -#define LP_ENAB_STAT_1 0x0000000000000002UL -#define LP_ENAB_STAT_0 0x0000000000000001UL - -/* ASI_CORE_ENABLE - shared */ -#define LP_ENAB 0x0000000000000020UL -#define LP_ENAB_1 0x0000000000000002UL -#define LP_ENAB_0 0x0000000000000001UL - -/* ASI_CORE_RUNNING - shared */ -#define LP_RUNNING_RW 0x0000000000000050UL -#define LP_RUNNING_W1S 0x0000000000000060UL -#define LP_RUNNING_W1C 0x0000000000000068UL -#define LP_RUNNING_1 0x0000000000000002UL -#define LP_RUNNING_0 0x0000000000000001UL - -/* ASI_CORE_RUNNING_STAT - shared */ -#define LP_RUN_STAT 0x0000000000000058UL -#define LP_RUN_STAT_1 0x0000000000000002UL -#define LP_RUN_STAT_0 0x0000000000000001UL - -/* ASI_XIR_STEERING - shared */ -#define LP_XIR_STEER 0x0000000000000030UL -#define LP_XIR_STEER_1 0x0000000000000002UL -#define LP_XIR_STEER_0 0x0000000000000001UL - -/* ASI_CMT_ERROR_STEERING - shared */ -#define CMT_ER_STEER 0x0000000000000040UL -#define CMT_ER_STEER_1 0x0000000000000002UL -#define CMT_ER_STEER_0 0x0000000000000001UL - -#endif /* _SPARC64_CMT_H */ diff --git a/arch/sparc/include/asm/compat.h b/arch/sparc/include/asm/compat.h index f260b58f5ce..830502fe62b 100644 --- a/arch/sparc/include/asm/compat.h +++ b/arch/sparc/include/asm/compat.h @@ -5,7 +5,8 @@ */ #include <linux/types.h> -#define COMPAT_USER_HZ 100 +#define COMPAT_USER_HZ 100 +#define COMPAT_UTS_MACHINE "sparc\0\0" typedef u32 compat_size_t; typedef s32 compat_ssize_t; @@ -35,6 +36,7 @@ typedef s64 compat_s64; typedef u32 compat_uint_t; typedef u32 compat_ulong_t; typedef u64 compat_u64; +typedef u32 compat_uptr_t; struct compat_timespec { compat_time_t tv_sec; @@ -133,7 +135,8 @@ struct compat_statfs { compat_fsid_t f_fsid; int f_namelen; /* SunOS ignores this field. */ int f_frsize; - int f_spare[5]; + int f_flags; + int f_spare[4]; }; #define COMPAT_RLIM_INFINITY 0x7fffffff @@ -145,6 +148,65 @@ typedef u32 compat_old_sigset_t; typedef u32 compat_sigset_word; +typedef union compat_sigval { + compat_int_t sival_int; + compat_uptr_t sival_ptr; +} compat_sigval_t; + +#define SI_PAD_SIZE32 (128/sizeof(int) - 3) + +typedef struct compat_siginfo { + int si_signo; + int si_errno; + int si_code; + + union { + int _pad[SI_PAD_SIZE32]; + + /* kill() */ + struct { + compat_pid_t _pid; /* sender's pid */ + unsigned int _uid; /* sender's uid */ + } _kill; + + /* POSIX.1b timers */ + struct { + compat_timer_t _tid; /* timer id */ + int _overrun; /* overrun count */ + compat_sigval_t _sigval; /* same as below */ + int _sys_private; /* not to be passed to user */ + } _timer; + + /* POSIX.1b signals */ + struct { + compat_pid_t _pid; /* sender's pid */ + unsigned int _uid; /* sender's uid */ + compat_sigval_t _sigval; + } _rt; + + /* SIGCHLD */ + struct { + compat_pid_t _pid; /* which child */ + unsigned int _uid; /* sender's uid */ + int _status; /* exit code */ + compat_clock_t _utime; + compat_clock_t _stime; + } _sigchld; + + /* SIGILL, SIGFPE, SIGSEGV, SIGBUS, SIGEMT */ + struct { + u32 _addr; /* faulting insn/memory ref. */ + int _trapno; + } _sigfault; + + /* SIGPOLL */ + struct { + int _band; /* POLL_IN, POLL_OUT, POLL_MSG */ + int _fd; + } _sigpoll; + } _sifields; +} compat_siginfo_t; + #define COMPAT_OFF_T_MAX 0x7fffffff #define COMPAT_LOFF_T_MAX 0x7fffffffffffffffL @@ -154,7 +216,6 @@ typedef u32 compat_sigset_word; * as pointers because the syscall entry code will have * appropriately converted them already. */ -typedef u32 compat_uptr_t; static inline void __user *compat_ptr(compat_uptr_t uptr) { @@ -166,14 +227,15 @@ static inline compat_uptr_t ptr_to_compat(void __user *uptr) return (u32)(unsigned long)uptr; } -static inline void __user *compat_alloc_user_space(long len) +static inline void __user *arch_compat_alloc_user_space(long len) { struct pt_regs *regs = current_thread_info()->kregs; unsigned long usp = regs->u_regs[UREG_I6]; - if (!(test_thread_flag(TIF_32BIT))) + if (test_thread_64bit_stack(usp)) usp += STACK_BIAS; - else + + if (test_thread_flag(TIF_32BIT)) usp &= 0xffffffffUL; usp -= len; @@ -240,4 +302,9 @@ struct compat_shmid64_ds { unsigned int __unused2; }; +static inline int is_compat_task(void) +{ + return test_thread_flag(TIF_32BIT); +} + #endif /* _ASM_SPARC64_COMPAT_H */ diff --git a/arch/sparc/include/asm/compat_signal.h b/arch/sparc/include/asm/compat_signal.h index b759eab9b51..9ed1f128b4d 100644 --- a/arch/sparc/include/asm/compat_signal.h +++ b/arch/sparc/include/asm/compat_signal.h @@ -18,12 +18,6 @@ struct __old_sigaction32 { unsigned int sa_flags; unsigned sa_restorer; /* not used by Linux/SPARC yet */ }; - -typedef struct sigaltstack32 { - u32 ss_sp; - int ss_flags; - compat_size_t ss_size; -} stack_t32; #endif #endif /* !(_COMPAT_SIGNAL_H) */ diff --git a/arch/sparc/include/asm/contregs.h b/arch/sparc/include/asm/contregs.h index 48fa8a4ef35..b8abdfcf555 100644 --- a/arch/sparc/include/asm/contregs.h +++ b/arch/sparc/include/asm/contregs.h @@ -7,28 +7,6 @@ * Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu) */ -/* 3=sun3 - 4=sun4 (as in sun4 sysmaint student book) - c=sun4c (according to davem) */ - -#define AC_IDPROM 0x00000000 /* 34 ID PROM, R/O, byte, 32 bytes */ -#define AC_PAGEMAP 0x10000000 /* 3 Pagemap R/W, long */ -#define AC_SEGMAP 0x20000000 /* 3 Segment map, byte */ -#define AC_CONTEXT 0x30000000 /* 34c current mmu-context */ -#define AC_SENABLE 0x40000000 /* 34c system dvma/cache/reset enable reg*/ -#define AC_UDVMA_ENB 0x50000000 /* 34 Not used on Sun boards, byte */ -#define AC_BUS_ERROR 0x60000000 /* 34 Not cleared on read, byte. */ -#define AC_SYNC_ERR 0x60000000 /* c fault type */ -#define AC_SYNC_VA 0x60000004 /* c fault virtual address */ -#define AC_ASYNC_ERR 0x60000008 /* c asynchronous fault type */ -#define AC_ASYNC_VA 0x6000000c /* c async fault virtual address */ -#define AC_LEDS 0x70000000 /* 34 Zero turns on LEDs, byte */ -#define AC_CACHETAGS 0x80000000 /* 34c direct access to the VAC tags */ -#define AC_CACHEDDATA 0x90000000 /* 3 c direct access to the VAC data */ -#define AC_UDVMA_MAP 0xD0000000 /* 4 Not used on Sun boards, byte */ -#define AC_VME_VECTOR 0xE0000000 /* 4 For non-Autovector VME, byte */ -#define AC_BOOT_SCC 0xF0000000 /* 34 bypass to access Zilog 8530. byte.*/ - /* s=Swift, h=Ross_HyperSPARC, v=TI_Viking, t=Tsunami, r=Ross_Cypress */ #define AC_M_PCR 0x0000 /* shv Processor Control Reg */ #define AC_M_CTPR 0x0100 /* shv Context Table Pointer Reg */ diff --git a/arch/sparc/include/asm/cpu_type.h b/arch/sparc/include/asm/cpu_type.h new file mode 100644 index 00000000000..84d7d83b808 --- /dev/null +++ b/arch/sparc/include/asm/cpu_type.h @@ -0,0 +1,28 @@ +#ifndef __ASM_CPU_TYPE_H +#define __ASM_CPU_TYPE_H + +/* + * Sparc (general) CPU types + */ +enum sparc_cpu { + sun4m = 0x00, + sun4d = 0x01, + sun4e = 0x02, + sun4u = 0x03, /* V8 ploos ploos */ + sun_unknown = 0x04, + ap1000 = 0x05, /* almost a sun4m */ + sparc_leon = 0x06, /* Leon SoC */ +}; + +#ifdef CONFIG_SPARC32 +extern enum sparc_cpu sparc_cpu_model; + +#define SUN4M_NCPUS 4 /* Architectural limit of sun4m. */ + +#else + +#define sparc_cpu_model sun4u + +#endif + +#endif /* __ASM_CPU_TYPE_H */ diff --git a/arch/sparc/include/asm/cpudata.h b/arch/sparc/include/asm/cpudata.h index b5976de7cac..128b56b0867 100644 --- a/arch/sparc/include/asm/cpudata.h +++ b/arch/sparc/include/asm/cpudata.h @@ -1,5 +1,15 @@ #ifndef ___ASM_SPARC_CPUDATA_H #define ___ASM_SPARC_CPUDATA_H + +#ifndef __ASSEMBLY__ + +#include <linux/threads.h> +#include <linux/percpu.h> + +extern const struct seq_operations cpuinfo_op; + +#endif /* !(__ASSEMBLY__) */ + #if defined(__sparc__) && defined(__arch64__) #include <asm/cpudata_64.h> #else diff --git a/arch/sparc/include/asm/cpudata_32.h b/arch/sparc/include/asm/cpudata_32.h index 31d48a0e32c..0300d94c25b 100644 --- a/arch/sparc/include/asm/cpudata_32.h +++ b/arch/sparc/include/asm/cpudata_32.h @@ -14,8 +14,11 @@ typedef struct { unsigned long udelay_val; unsigned long clock_tick; - unsigned int multiplier; unsigned int counter; +#ifdef CONFIG_SMP + unsigned int irq_resched_count; + unsigned int irq_call_count; +#endif int prom_node; int mid; int next; @@ -23,5 +26,6 @@ typedef struct { DECLARE_PER_CPU(cpuinfo_sparc, __cpu_data); #define cpu_data(__cpu) per_cpu(__cpu_data, (__cpu)) +#define local_cpu_data() __get_cpu_var(__cpu_data) #endif /* _SPARC_CPUDATA_H */ diff --git a/arch/sparc/include/asm/cpudata_64.h b/arch/sparc/include/asm/cpudata_64.h index 532975ecfe1..0e594076912 100644 --- a/arch/sparc/include/asm/cpudata_64.h +++ b/arch/sparc/include/asm/cpudata_64.h @@ -6,21 +6,15 @@ #ifndef _SPARC64_CPUDATA_H #define _SPARC64_CPUDATA_H -#include <asm/hypervisor.h> -#include <asm/asi.h> - #ifndef __ASSEMBLY__ -#include <linux/percpu.h> -#include <linux/threads.h> - typedef struct { /* Dcache line 1 */ unsigned int __softirq_pending; /* must be 1st, see rtrap.S */ - unsigned int __pad0; + unsigned int __nmi_count; unsigned long clock_tick; /* %tick's per second */ unsigned long __pad; - unsigned int __pad1; + unsigned int irq0_irqs; unsigned int __pad2; /* Dcache line 2, rarely used */ @@ -38,203 +32,8 @@ DECLARE_PER_CPU(cpuinfo_sparc, __cpu_data); #define cpu_data(__cpu) per_cpu(__cpu_data, (__cpu)) #define local_cpu_data() __get_cpu_var(__cpu_data) -/* Trap handling code needs to get at a few critical values upon - * trap entry and to process TSB misses. These cannot be in the - * per_cpu() area as we really need to lock them into the TLB and - * thus make them part of the main kernel image. As a result we - * try to make this as small as possible. - * - * This is padded out and aligned to 64-bytes to avoid false sharing - * on SMP. - */ - -/* If you modify the size of this structure, please update - * TRAP_BLOCK_SZ_SHIFT below. - */ -struct thread_info; -struct trap_per_cpu { -/* D-cache line 1: Basic thread information, cpu and device mondo queues */ - struct thread_info *thread; - unsigned long pgd_paddr; - unsigned long cpu_mondo_pa; - unsigned long dev_mondo_pa; - -/* D-cache line 2: Error Mondo Queue and kernel buffer pointers */ - unsigned long resum_mondo_pa; - unsigned long resum_kernel_buf_pa; - unsigned long nonresum_mondo_pa; - unsigned long nonresum_kernel_buf_pa; - -/* Dcache lines 3, 4, 5, and 6: Hypervisor Fault Status */ - struct hv_fault_status fault_info; - -/* Dcache line 7: Physical addresses of CPU send mondo block and CPU list. */ - unsigned long cpu_mondo_block_pa; - unsigned long cpu_list_pa; - unsigned long tsb_huge; - unsigned long tsb_huge_temp; - -/* Dcache line 8: IRQ work list, and keep trap_block a power-of-2 in size. */ - unsigned long irq_worklist_pa; - unsigned int cpu_mondo_qmask; - unsigned int dev_mondo_qmask; - unsigned int resum_qmask; - unsigned int nonresum_qmask; - void *hdesc; -} __attribute__((aligned(64))); -extern struct trap_per_cpu trap_block[NR_CPUS]; -extern void init_cur_cpu_trap(struct thread_info *); -extern void setup_tba(void); -extern int ncpus_probed; -extern void __init cpu_probe(void); -extern const struct seq_operations cpuinfo_op; - -extern unsigned long real_hard_smp_processor_id(void); - -struct cpuid_patch_entry { - unsigned int addr; - unsigned int cheetah_safari[4]; - unsigned int cheetah_jbus[4]; - unsigned int starfire[4]; - unsigned int sun4v[4]; -}; -extern struct cpuid_patch_entry __cpuid_patch, __cpuid_patch_end; - -struct sun4v_1insn_patch_entry { - unsigned int addr; - unsigned int insn; -}; -extern struct sun4v_1insn_patch_entry __sun4v_1insn_patch, - __sun4v_1insn_patch_end; - -struct sun4v_2insn_patch_entry { - unsigned int addr; - unsigned int insns[2]; -}; -extern struct sun4v_2insn_patch_entry __sun4v_2insn_patch, - __sun4v_2insn_patch_end; - #endif /* !(__ASSEMBLY__) */ -#define TRAP_PER_CPU_THREAD 0x00 -#define TRAP_PER_CPU_PGD_PADDR 0x08 -#define TRAP_PER_CPU_CPU_MONDO_PA 0x10 -#define TRAP_PER_CPU_DEV_MONDO_PA 0x18 -#define TRAP_PER_CPU_RESUM_MONDO_PA 0x20 -#define TRAP_PER_CPU_RESUM_KBUF_PA 0x28 -#define TRAP_PER_CPU_NONRESUM_MONDO_PA 0x30 -#define TRAP_PER_CPU_NONRESUM_KBUF_PA 0x38 -#define TRAP_PER_CPU_FAULT_INFO 0x40 -#define TRAP_PER_CPU_CPU_MONDO_BLOCK_PA 0xc0 -#define TRAP_PER_CPU_CPU_LIST_PA 0xc8 -#define TRAP_PER_CPU_TSB_HUGE 0xd0 -#define TRAP_PER_CPU_TSB_HUGE_TEMP 0xd8 -#define TRAP_PER_CPU_IRQ_WORKLIST_PA 0xe0 -#define TRAP_PER_CPU_CPU_MONDO_QMASK 0xe8 -#define TRAP_PER_CPU_DEV_MONDO_QMASK 0xec -#define TRAP_PER_CPU_RESUM_QMASK 0xf0 -#define TRAP_PER_CPU_NONRESUM_QMASK 0xf4 - -#define TRAP_BLOCK_SZ_SHIFT 8 - -#include <asm/scratchpad.h> - -#define __GET_CPUID(REG) \ - /* Spitfire implementation (default). */ \ -661: ldxa [%g0] ASI_UPA_CONFIG, REG; \ - srlx REG, 17, REG; \ - and REG, 0x1f, REG; \ - nop; \ - .section .cpuid_patch, "ax"; \ - /* Instruction location. */ \ - .word 661b; \ - /* Cheetah Safari implementation. */ \ - ldxa [%g0] ASI_SAFARI_CONFIG, REG; \ - srlx REG, 17, REG; \ - and REG, 0x3ff, REG; \ - nop; \ - /* Cheetah JBUS implementation. */ \ - ldxa [%g0] ASI_JBUS_CONFIG, REG; \ - srlx REG, 17, REG; \ - and REG, 0x1f, REG; \ - nop; \ - /* Starfire implementation. */ \ - sethi %hi(0x1fff40000d0 >> 9), REG; \ - sllx REG, 9, REG; \ - or REG, 0xd0, REG; \ - lduwa [REG] ASI_PHYS_BYPASS_EC_E, REG;\ - /* sun4v implementation. */ \ - mov SCRATCHPAD_CPUID, REG; \ - ldxa [REG] ASI_SCRATCHPAD, REG; \ - nop; \ - nop; \ - .previous; - -#ifdef CONFIG_SMP - -#define TRAP_LOAD_TRAP_BLOCK(DEST, TMP) \ - __GET_CPUID(TMP) \ - sethi %hi(trap_block), DEST; \ - sllx TMP, TRAP_BLOCK_SZ_SHIFT, TMP; \ - or DEST, %lo(trap_block), DEST; \ - add DEST, TMP, DEST; \ - -/* Clobbers TMP, current address space PGD phys address into DEST. */ -#define TRAP_LOAD_PGD_PHYS(DEST, TMP) \ - TRAP_LOAD_TRAP_BLOCK(DEST, TMP) \ - ldx [DEST + TRAP_PER_CPU_PGD_PADDR], DEST; - -/* Clobbers TMP, loads local processor's IRQ work area into DEST. */ -#define TRAP_LOAD_IRQ_WORK_PA(DEST, TMP) \ - TRAP_LOAD_TRAP_BLOCK(DEST, TMP) \ - add DEST, TRAP_PER_CPU_IRQ_WORKLIST_PA, DEST; - -/* Clobbers TMP, loads DEST with current thread info pointer. */ -#define TRAP_LOAD_THREAD_REG(DEST, TMP) \ - TRAP_LOAD_TRAP_BLOCK(DEST, TMP) \ - ldx [DEST + TRAP_PER_CPU_THREAD], DEST; - -/* Given the current thread info pointer in THR, load the per-cpu - * area base of the current processor into DEST. REG1, REG2, and REG3 are - * clobbered. - * - * You absolutely cannot use DEST as a temporary in this code. The - * reason is that traps can happen during execution, and return from - * trap will load the fully resolved DEST per-cpu base. This can corrupt - * the calculations done by the macro mid-stream. - */ -#define LOAD_PER_CPU_BASE(DEST, THR, REG1, REG2, REG3) \ - lduh [THR + TI_CPU], REG1; \ - sethi %hi(__per_cpu_shift), REG3; \ - sethi %hi(__per_cpu_base), REG2; \ - ldx [REG3 + %lo(__per_cpu_shift)], REG3; \ - ldx [REG2 + %lo(__per_cpu_base)], REG2; \ - sllx REG1, REG3, REG3; \ - add REG3, REG2, DEST; - -#else - -#define TRAP_LOAD_TRAP_BLOCK(DEST, TMP) \ - sethi %hi(trap_block), DEST; \ - or DEST, %lo(trap_block), DEST; \ - -/* Uniprocessor versions, we know the cpuid is zero. */ -#define TRAP_LOAD_PGD_PHYS(DEST, TMP) \ - TRAP_LOAD_TRAP_BLOCK(DEST, TMP) \ - ldx [DEST + TRAP_PER_CPU_PGD_PADDR], DEST; - -/* Clobbers TMP, loads local processor's IRQ work area into DEST. */ -#define TRAP_LOAD_IRQ_WORK_PA(DEST, TMP) \ - TRAP_LOAD_TRAP_BLOCK(DEST, TMP) \ - add DEST, TRAP_PER_CPU_IRQ_WORKLIST_PA, DEST; - -#define TRAP_LOAD_THREAD_REG(DEST, TMP) \ - TRAP_LOAD_TRAP_BLOCK(DEST, TMP) \ - ldx [DEST + TRAP_PER_CPU_THREAD], DEST; - -/* No per-cpu areas on uniprocessor, so no need to load DEST. */ -#define LOAD_PER_CPU_BASE(DEST, THR, REG1, REG2, REG3) - -#endif /* !(CONFIG_SMP) */ +#include <asm/trap_block.h> #endif /* _SPARC64_CPUDATA_H */ diff --git a/arch/sparc/include/asm/cputime.h b/arch/sparc/include/asm/cputime.h deleted file mode 100644 index 1a642b81e01..00000000000 --- a/arch/sparc/include/asm/cputime.h +++ /dev/null @@ -1,6 +0,0 @@ -#ifndef __SPARC_CPUTIME_H -#define __SPARC_CPUTIME_H - -#include <asm-generic/cputime.h> - -#endif /* __SPARC_CPUTIME_H */ diff --git a/arch/sparc/include/asm/cypress.h b/arch/sparc/include/asm/cypress.h deleted file mode 100644 index 95e9772ea39..00000000000 --- a/arch/sparc/include/asm/cypress.h +++ /dev/null @@ -1,79 +0,0 @@ -/* - * cypress.h: Cypress module specific definitions and defines. - * - * Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu) - */ - -#ifndef _SPARC_CYPRESS_H -#define _SPARC_CYPRESS_H - -/* Cypress chips have %psr 'impl' of '0001' and 'vers' of '0001'. */ - -/* The MMU control register fields on the Sparc Cypress 604/605 MMU's. - * - * --------------------------------------------------------------- - * |implvers| MCA | MCM |MV| MID |BM| C|RSV|MR|CM|CL|CE|RSV|NF|ME| - * --------------------------------------------------------------- - * 31 24 23-22 21-20 19 18-15 14 13 12 11 10 9 8 7-2 1 0 - * - * MCA: MultiChip Access -- Used for configuration of multiple - * CY7C604/605 cache units. - * MCM: MultiChip Mask -- Again, for multiple cache unit config. - * MV: MultiChip Valid -- Indicates MCM and MCA have valid settings. - * MID: ModuleID -- Unique processor ID for MBus transactions. (605 only) - * BM: Boot Mode -- 0 = not in boot mode, 1 = in boot mode - * C: Cacheable -- Indicates whether accesses are cacheable while - * the MMU is off. 0=no 1=yes - * MR: MemoryReflection -- Indicates whether the bus attached to the - * MBus supports memory reflection. 0=no 1=yes (605 only) - * CM: CacheMode -- Indicates whether the cache is operating in write - * through or copy-back mode. 0=write-through 1=copy-back - * CL: CacheLock -- Indicates if the entire cache is locked or not. - * 0=not-locked 1=locked (604 only) - * CE: CacheEnable -- Is the virtual cache on? 0=no 1=yes - * NF: NoFault -- Do faults generate traps? 0=yes 1=no - * ME: MmuEnable -- Is the MMU doing translations? 0=no 1=yes - */ - -#define CYPRESS_MCA 0x00c00000 -#define CYPRESS_MCM 0x00300000 -#define CYPRESS_MVALID 0x00080000 -#define CYPRESS_MIDMASK 0x00078000 /* Only on 605 */ -#define CYPRESS_BMODE 0x00004000 -#define CYPRESS_ACENABLE 0x00002000 -#define CYPRESS_MRFLCT 0x00000800 /* Only on 605 */ -#define CYPRESS_CMODE 0x00000400 -#define CYPRESS_CLOCK 0x00000200 /* Only on 604 */ -#define CYPRESS_CENABLE 0x00000100 -#define CYPRESS_NFAULT 0x00000002 -#define CYPRESS_MENABLE 0x00000001 - -static inline void cypress_flush_page(unsigned long page) -{ - __asm__ __volatile__("sta %%g0, [%0] %1\n\t" : : - "r" (page), "i" (ASI_M_FLUSH_PAGE)); -} - -static inline void cypress_flush_segment(unsigned long addr) -{ - __asm__ __volatile__("sta %%g0, [%0] %1\n\t" : : - "r" (addr), "i" (ASI_M_FLUSH_SEG)); -} - -static inline void cypress_flush_region(unsigned long addr) -{ - __asm__ __volatile__("sta %%g0, [%0] %1\n\t" : : - "r" (addr), "i" (ASI_M_FLUSH_REGION)); -} - -static inline void cypress_flush_context(void) -{ - __asm__ __volatile__("sta %%g0, [%%g0] %0\n\t" : : - "i" (ASI_M_FLUSH_CTX)); -} - -/* XXX Displacement flushes for buggy chips and initial testing - * XXX go here. - */ - -#endif /* !(_SPARC_CYPRESS_H) */ diff --git a/arch/sparc/include/asm/delay_32.h b/arch/sparc/include/asm/delay_32.h index bc9aba2bead..3fb8ca144b4 100644 --- a/arch/sparc/include/asm/delay_32.h +++ b/arch/sparc/include/asm/delay_32.h @@ -20,8 +20,8 @@ static inline void __delay(unsigned long loops) } /* This is too messy with inline asm on the Sparc. */ -extern void __udelay(unsigned long usecs, unsigned long lpj); -extern void __ndelay(unsigned long nsecs, unsigned long lpj); +void __udelay(unsigned long usecs, unsigned long lpj); +void __ndelay(unsigned long nsecs, unsigned long lpj); #ifdef CONFIG_SMP #define __udelay_val cpu_data(smp_processor_id()).udelay_val diff --git a/arch/sparc/include/asm/delay_64.h b/arch/sparc/include/asm/delay_64.h index a77aa622d76..0ba5424856d 100644 --- a/arch/sparc/include/asm/delay_64.h +++ b/arch/sparc/include/asm/delay_64.h @@ -8,8 +8,8 @@ #ifndef __ASSEMBLY__ -extern void __delay(unsigned long loops); -extern void udelay(unsigned long usecs); +void __delay(unsigned long loops); +void udelay(unsigned long usecs); #define mdelay(n) udelay((n) * 1000) #endif /* !__ASSEMBLY__ */ diff --git a/arch/sparc/include/asm/device.h b/arch/sparc/include/asm/device.h index 19790eb99cc..bb3f0b0c675 100644 --- a/arch/sparc/include/asm/device.h +++ b/arch/sparc/include/asm/device.h @@ -6,18 +6,25 @@ #ifndef _ASM_SPARC_DEVICE_H #define _ASM_SPARC_DEVICE_H +#include <asm/openprom.h> + struct device_node; -struct of_device; +struct platform_device; struct dev_archdata { void *iommu; void *stc; void *host_controller; + struct platform_device *op; + int numa_node; +}; - struct device_node *prom_node; - struct of_device *op; +void of_propagate_archdata(struct platform_device *bus); - int numa_node; +struct pdev_archdata { + struct resource resource[PROMREG_MAX]; + unsigned int irqs[PROMINTR_MAX]; + int num_irqs; }; #endif /* _ASM_SPARC_DEVICE_H */ diff --git a/arch/sparc/include/asm/display7seg.h b/arch/sparc/include/asm/display7seg.h deleted file mode 100644 index 86d4a901df2..00000000000 --- a/arch/sparc/include/asm/display7seg.h +++ /dev/null @@ -1,79 +0,0 @@ -/* - * - * display7seg - Driver interface for the 7-segment display - * present on Sun Microsystems CP1400 and CP1500 - * - * Copyright (c) 2000 Eric Brower <ebrower@usa.net> - * - */ - -#ifndef __display7seg_h__ -#define __display7seg_h__ - -#define D7S_IOC 'p' - -#define D7SIOCRD _IOR(D7S_IOC, 0x45, int) /* Read device state */ -#define D7SIOCWR _IOW(D7S_IOC, 0x46, int) /* Write device state */ -#define D7SIOCTM _IO (D7S_IOC, 0x47) /* Translate mode (FLIP)*/ - -/* - * ioctl flag definitions - * - * POINT - Toggle decimal point (0=absent 1=present) - * ALARM - Toggle alarm LED (0=green 1=red) - * FLIP - Toggle inverted mode (0=normal 1=flipped) - * bits 0-4 - Character displayed (see definitions below) - * - * Display segments are defined as follows, - * subject to D7S_FLIP register state: - * - * a - * --- - * f| |b - * -g- - * e| |c - * --- - * d - */ - -#define D7S_POINT (1 << 7) /* Decimal point*/ -#define D7S_ALARM (1 << 6) /* Alarm LED */ -#define D7S_FLIP (1 << 5) /* Flip display */ - -#define D7S_0 0x00 /* Numerals 0-9 */ -#define D7S_1 0x01 -#define D7S_2 0x02 -#define D7S_3 0x03 -#define D7S_4 0x04 -#define D7S_5 0x05 -#define D7S_6 0x06 -#define D7S_7 0x07 -#define D7S_8 0x08 -#define D7S_9 0x09 -#define D7S_A 0x0A /* Letters A-F, H, L, P */ -#define D7S_B 0x0B -#define D7S_C 0x0C -#define D7S_D 0x0D -#define D7S_E 0x0E -#define D7S_F 0x0F -#define D7S_H 0x10 -#define D7S_E2 0x11 -#define D7S_L 0x12 -#define D7S_P 0x13 -#define D7S_SEGA 0x14 /* Individual segments */ -#define D7S_SEGB 0x15 -#define D7S_SEGC 0x16 -#define D7S_SEGD 0x17 -#define D7S_SEGE 0x18 -#define D7S_SEGF 0x19 -#define D7S_SEGG 0x1A -#define D7S_SEGABFG 0x1B /* Segment groupings */ -#define D7S_SEGCDEG 0x1C -#define D7S_SEGBCEF 0x1D -#define D7S_SEGADG 0x1E -#define D7S_BLANK 0x1F /* Clear all segments */ - -#define D7S_MIN_VAL 0x0 -#define D7S_MAX_VAL 0x1F - -#endif /* ifndef __display7seg_h__ */ diff --git a/arch/sparc/include/asm/div64.h b/arch/sparc/include/asm/div64.h deleted file mode 100644 index 6cd978cefb2..00000000000 --- a/arch/sparc/include/asm/div64.h +++ /dev/null @@ -1 +0,0 @@ -#include <asm-generic/div64.h> diff --git a/arch/sparc/include/asm/dma-mapping.h b/arch/sparc/include/asm/dma-mapping.h index 0f4150e2661..1ee02710b2d 100644 --- a/arch/sparc/include/asm/dma-mapping.h +++ b/arch/sparc/include/asm/dma-mapping.h @@ -1,8 +1,79 @@ #ifndef ___ASM_SPARC_DMA_MAPPING_H #define ___ASM_SPARC_DMA_MAPPING_H -#if defined(__sparc__) && defined(__arch64__) -#include <asm/dma-mapping_64.h> -#else -#include <asm/dma-mapping_32.h> + +#include <linux/scatterlist.h> +#include <linux/mm.h> +#include <linux/dma-debug.h> + +#define DMA_ERROR_CODE (~(dma_addr_t)0x0) + +int dma_supported(struct device *dev, u64 mask); + +#define dma_alloc_noncoherent(d, s, h, f) dma_alloc_coherent(d, s, h, f) +#define dma_free_noncoherent(d, s, v, h) dma_free_coherent(d, s, v, h) + +extern struct dma_map_ops *dma_ops; +extern struct dma_map_ops *leon_dma_ops; +extern struct dma_map_ops pci32_dma_ops; + +extern struct bus_type pci_bus_type; + +static inline struct dma_map_ops *get_dma_ops(struct device *dev) +{ +#if defined(CONFIG_SPARC32) && defined(CONFIG_PCI) + if (sparc_cpu_model == sparc_leon) + return leon_dma_ops; + else if (dev->bus == &pci_bus_type) + return &pci32_dma_ops; #endif + return dma_ops; +} + +#include <asm-generic/dma-mapping-common.h> + +#define dma_alloc_coherent(d,s,h,f) dma_alloc_attrs(d,s,h,f,NULL) + +static inline void *dma_alloc_attrs(struct device *dev, size_t size, + dma_addr_t *dma_handle, gfp_t flag, + struct dma_attrs *attrs) +{ + struct dma_map_ops *ops = get_dma_ops(dev); + void *cpu_addr; + + cpu_addr = ops->alloc(dev, size, dma_handle, flag, attrs); + debug_dma_alloc_coherent(dev, size, *dma_handle, cpu_addr); + return cpu_addr; +} + +#define dma_free_coherent(d,s,c,h) dma_free_attrs(d,s,c,h,NULL) + +static inline void dma_free_attrs(struct device *dev, size_t size, + void *cpu_addr, dma_addr_t dma_handle, + struct dma_attrs *attrs) +{ + struct dma_map_ops *ops = get_dma_ops(dev); + + debug_dma_free_coherent(dev, size, cpu_addr, dma_handle); + ops->free(dev, size, cpu_addr, dma_handle, attrs); +} + +static inline int dma_mapping_error(struct device *dev, dma_addr_t dma_addr) +{ + debug_dma_mapping_error(dev, dma_addr); + return (dma_addr == DMA_ERROR_CODE); +} + +static inline int dma_set_mask(struct device *dev, u64 mask) +{ +#ifdef CONFIG_PCI + if (dev->bus == &pci_bus_type) { + if (!dev->dma_mask || !dma_supported(dev, mask)) + return -EINVAL; + *dev->dma_mask = mask; + return 0; + } +#endif + return -EINVAL; +} + #endif diff --git a/arch/sparc/include/asm/dma-mapping_32.h b/arch/sparc/include/asm/dma-mapping_32.h deleted file mode 100644 index f3a641e6b2c..00000000000 --- a/arch/sparc/include/asm/dma-mapping_32.h +++ /dev/null @@ -1,11 +0,0 @@ -#ifndef _ASM_SPARC_DMA_MAPPING_H -#define _ASM_SPARC_DMA_MAPPING_H - - -#ifdef CONFIG_PCI -#include <asm-generic/dma-mapping.h> -#else -#include <asm-generic/dma-mapping-broken.h> -#endif /* PCI */ - -#endif /* _ASM_SPARC_DMA_MAPPING_H */ diff --git a/arch/sparc/include/asm/dma-mapping_64.h b/arch/sparc/include/asm/dma-mapping_64.h deleted file mode 100644 index bfa64f9702d..00000000000 --- a/arch/sparc/include/asm/dma-mapping_64.h +++ /dev/null @@ -1,154 +0,0 @@ -#ifndef _ASM_SPARC64_DMA_MAPPING_H -#define _ASM_SPARC64_DMA_MAPPING_H - -#include <linux/scatterlist.h> -#include <linux/mm.h> - -#define DMA_ERROR_CODE (~(dma_addr_t)0x0) - -struct dma_ops { - void *(*alloc_coherent)(struct device *dev, size_t size, - dma_addr_t *dma_handle, gfp_t flag); - void (*free_coherent)(struct device *dev, size_t size, - void *cpu_addr, dma_addr_t dma_handle); - dma_addr_t (*map_single)(struct device *dev, void *cpu_addr, - size_t size, - enum dma_data_direction direction); - void (*unmap_single)(struct device *dev, dma_addr_t dma_addr, - size_t size, - enum dma_data_direction direction); - int (*map_sg)(struct device *dev, struct scatterlist *sg, int nents, - enum dma_data_direction direction); - void (*unmap_sg)(struct device *dev, struct scatterlist *sg, - int nhwentries, - enum dma_data_direction direction); - void (*sync_single_for_cpu)(struct device *dev, - dma_addr_t dma_handle, size_t size, - enum dma_data_direction direction); - void (*sync_sg_for_cpu)(struct device *dev, struct scatterlist *sg, - int nelems, - enum dma_data_direction direction); -}; -extern const struct dma_ops *dma_ops; - -extern int dma_supported(struct device *dev, u64 mask); -extern int dma_set_mask(struct device *dev, u64 dma_mask); - -static inline void *dma_alloc_coherent(struct device *dev, size_t size, - dma_addr_t *dma_handle, gfp_t flag) -{ - return dma_ops->alloc_coherent(dev, size, dma_handle, flag); -} - -static inline void dma_free_coherent(struct device *dev, size_t size, - void *cpu_addr, dma_addr_t dma_handle) -{ - dma_ops->free_coherent(dev, size, cpu_addr, dma_handle); -} - -static inline dma_addr_t dma_map_single(struct device *dev, void *cpu_addr, - size_t size, - enum dma_data_direction direction) -{ - return dma_ops->map_single(dev, cpu_addr, size, direction); -} - -static inline void dma_unmap_single(struct device *dev, dma_addr_t dma_addr, - size_t size, - enum dma_data_direction direction) -{ - dma_ops->unmap_single(dev, dma_addr, size, direction); -} - -static inline dma_addr_t dma_map_page(struct device *dev, struct page *page, - unsigned long offset, size_t size, - enum dma_data_direction direction) -{ - return dma_ops->map_single(dev, page_address(page) + offset, - size, direction); -} - -static inline void dma_unmap_page(struct device *dev, dma_addr_t dma_address, - size_t size, - enum dma_data_direction direction) -{ - dma_ops->unmap_single(dev, dma_address, size, direction); -} - -static inline int dma_map_sg(struct device *dev, struct scatterlist *sg, - int nents, enum dma_data_direction direction) -{ - return dma_ops->map_sg(dev, sg, nents, direction); -} - -static inline void dma_unmap_sg(struct device *dev, struct scatterlist *sg, - int nents, enum dma_data_direction direction) -{ - dma_ops->unmap_sg(dev, sg, nents, direction); -} - -static inline void dma_sync_single_for_cpu(struct device *dev, - dma_addr_t dma_handle, size_t size, - enum dma_data_direction direction) -{ - dma_ops->sync_single_for_cpu(dev, dma_handle, size, direction); -} - -static inline void dma_sync_single_for_device(struct device *dev, - dma_addr_t dma_handle, - size_t size, - enum dma_data_direction direction) -{ - /* No flushing needed to sync cpu writes to the device. */ -} - -static inline void dma_sync_single_range_for_cpu(struct device *dev, - dma_addr_t dma_handle, - unsigned long offset, - size_t size, - enum dma_data_direction direction) -{ - dma_sync_single_for_cpu(dev, dma_handle+offset, size, direction); -} - -static inline void dma_sync_single_range_for_device(struct device *dev, - dma_addr_t dma_handle, - unsigned long offset, - size_t size, - enum dma_data_direction direction) -{ - /* No flushing needed to sync cpu writes to the device. */ -} - - -static inline void dma_sync_sg_for_cpu(struct device *dev, - struct scatterlist *sg, int nelems, - enum dma_data_direction direction) -{ - dma_ops->sync_sg_for_cpu(dev, sg, nelems, direction); -} - -static inline void dma_sync_sg_for_device(struct device *dev, - struct scatterlist *sg, int nelems, - enum dma_data_direction direction) -{ - /* No flushing needed to sync cpu writes to the device. */ -} - -static inline int dma_mapping_error(struct device *dev, dma_addr_t dma_addr) -{ - return (dma_addr == DMA_ERROR_CODE); -} - -static inline int dma_get_cache_alignment(void) -{ - /* no easy way to get cache size on all processors, so return - * the maximum possible, to be safe */ - return (1 << INTERNODE_CACHE_SHIFT); -} - -#define dma_alloc_noncoherent(d, s, h, f) dma_alloc_coherent(d, s, h, f) -#define dma_free_noncoherent(d, s, v, h) dma_free_coherent(d, s, v, h) -#define dma_is_consistent(d, h) (1) - -#endif /* _ASM_SPARC64_DMA_MAPPING_H */ diff --git a/arch/sparc/include/asm/dma.h b/arch/sparc/include/asm/dma.h index aa1d90ac04c..3d434ef5eae 100644 --- a/arch/sparc/include/asm/dma.h +++ b/arch/sparc/include/asm/dma.h @@ -1,8 +1,143 @@ -#ifndef ___ASM_SPARC_DMA_H -#define ___ASM_SPARC_DMA_H -#if defined(__sparc__) && defined(__arch64__) -#include <asm/dma_64.h> +#ifndef _ASM_SPARC_DMA_H +#define _ASM_SPARC_DMA_H + +/* These are irrelevant for Sparc DMA, but we leave it in so that + * things can compile. + */ +#define MAX_DMA_CHANNELS 8 +#define DMA_MODE_READ 1 +#define DMA_MODE_WRITE 2 +#define MAX_DMA_ADDRESS (~0UL) + +/* Useful constants */ +#define SIZE_16MB (16*1024*1024) +#define SIZE_64K (64*1024) + +/* SBUS DMA controller reg offsets */ +#define DMA_CSR 0x00UL /* rw DMA control/status register 0x00 */ +#define DMA_ADDR 0x04UL /* rw DMA transfer address register 0x04 */ +#define DMA_COUNT 0x08UL /* rw DMA transfer count register 0x08 */ +#define DMA_TEST 0x0cUL /* rw DMA test/debug register 0x0c */ + +/* Fields in the cond_reg register */ +/* First, the version identification bits */ +#define DMA_DEVICE_ID 0xf0000000 /* Device identification bits */ +#define DMA_VERS0 0x00000000 /* Sunray DMA version */ +#define DMA_ESCV1 0x40000000 /* DMA ESC Version 1 */ +#define DMA_VERS1 0x80000000 /* DMA rev 1 */ +#define DMA_VERS2 0xa0000000 /* DMA rev 2 */ +#define DMA_VERHME 0xb0000000 /* DMA hme gate array */ +#define DMA_VERSPLUS 0x90000000 /* DMA rev 1 PLUS */ + +#define DMA_HNDL_INTR 0x00000001 /* An IRQ needs to be handled */ +#define DMA_HNDL_ERROR 0x00000002 /* We need to take an error */ +#define DMA_FIFO_ISDRAIN 0x0000000c /* The DMA FIFO is draining */ +#define DMA_INT_ENAB 0x00000010 /* Turn on interrupts */ +#define DMA_FIFO_INV 0x00000020 /* Invalidate the FIFO */ +#define DMA_ACC_SZ_ERR 0x00000040 /* The access size was bad */ +#define DMA_FIFO_STDRAIN 0x00000040 /* DMA_VERS1 Drain the FIFO */ +#define DMA_RST_SCSI 0x00000080 /* Reset the SCSI controller */ +#define DMA_RST_ENET DMA_RST_SCSI /* Reset the ENET controller */ +#define DMA_ST_WRITE 0x00000100 /* write from device to memory */ +#define DMA_ENABLE 0x00000200 /* Fire up DMA, handle requests */ +#define DMA_PEND_READ 0x00000400 /* DMA_VERS1/0/PLUS Pending Read */ +#define DMA_ESC_BURST 0x00000800 /* 1=16byte 0=32byte */ +#define DMA_READ_AHEAD 0x00001800 /* DMA read ahead partial longword */ +#define DMA_DSBL_RD_DRN 0x00001000 /* No EC drain on slave reads */ +#define DMA_BCNT_ENAB 0x00002000 /* If on, use the byte counter */ +#define DMA_TERM_CNTR 0x00004000 /* Terminal counter */ +#define DMA_SCSI_SBUS64 0x00008000 /* HME: Enable 64-bit SBUS mode. */ +#define DMA_CSR_DISAB 0x00010000 /* No FIFO drains during csr */ +#define DMA_SCSI_DISAB 0x00020000 /* No FIFO drains during reg */ +#define DMA_DSBL_WR_INV 0x00020000 /* No EC inval. on slave writes */ +#define DMA_ADD_ENABLE 0x00040000 /* Special ESC DVMA optimization */ +#define DMA_E_BURSTS 0x000c0000 /* ENET: SBUS r/w burst mask */ +#define DMA_E_BURST32 0x00040000 /* ENET: SBUS 32 byte r/w burst */ +#define DMA_E_BURST16 0x00000000 /* ENET: SBUS 16 byte r/w burst */ +#define DMA_BRST_SZ 0x000c0000 /* SCSI: SBUS r/w burst size */ +#define DMA_BRST64 0x000c0000 /* SCSI: 64byte bursts (HME on UltraSparc only) */ +#define DMA_BRST32 0x00040000 /* SCSI: 32byte bursts */ +#define DMA_BRST16 0x00000000 /* SCSI: 16byte bursts */ +#define DMA_BRST0 0x00080000 /* SCSI: no bursts (non-HME gate arrays) */ +#define DMA_ADDR_DISAB 0x00100000 /* No FIFO drains during addr */ +#define DMA_2CLKS 0x00200000 /* Each transfer = 2 clock ticks */ +#define DMA_3CLKS 0x00400000 /* Each transfer = 3 clock ticks */ +#define DMA_EN_ENETAUI DMA_3CLKS /* Put lance into AUI-cable mode */ +#define DMA_CNTR_DISAB 0x00800000 /* No IRQ when DMA_TERM_CNTR set */ +#define DMA_AUTO_NADDR 0x01000000 /* Use "auto nxt addr" feature */ +#define DMA_SCSI_ON 0x02000000 /* Enable SCSI dma */ +#define DMA_PARITY_OFF 0x02000000 /* HME: disable parity checking */ +#define DMA_LOADED_ADDR 0x04000000 /* Address has been loaded */ +#define DMA_LOADED_NADDR 0x08000000 /* Next address has been loaded */ +#define DMA_RESET_FAS366 0x08000000 /* HME: Assert RESET to FAS366 */ + +/* Values describing the burst-size property from the PROM */ +#define DMA_BURST1 0x01 +#define DMA_BURST2 0x02 +#define DMA_BURST4 0x04 +#define DMA_BURST8 0x08 +#define DMA_BURST16 0x10 +#define DMA_BURST32 0x20 +#define DMA_BURST64 0x40 +#define DMA_BURSTBITS 0x7f + +/* From PCI */ + +#ifdef CONFIG_PCI +extern int isa_dma_bridge_buggy; #else -#include <asm/dma_32.h> +#define isa_dma_bridge_buggy (0) #endif + +#ifdef CONFIG_SPARC32 + +/* Routines for data transfer buffers. */ +struct device; +struct scatterlist; + +struct sparc32_dma_ops { + __u32 (*get_scsi_one)(struct device *, char *, unsigned long); + void (*get_scsi_sgl)(struct device *, struct scatterlist *, int); + void (*release_scsi_one)(struct device *, __u32, unsigned long); + void (*release_scsi_sgl)(struct device *, struct scatterlist *,int); +#ifdef CONFIG_SBUS + int (*map_dma_area)(struct device *, dma_addr_t *, unsigned long, unsigned long, int); + void (*unmap_dma_area)(struct device *, unsigned long, int); #endif +}; +extern const struct sparc32_dma_ops *sparc32_dma_ops; + +#define mmu_get_scsi_one(dev,vaddr,len) \ + sparc32_dma_ops->get_scsi_one(dev, vaddr, len) +#define mmu_get_scsi_sgl(dev,sg,sz) \ + sparc32_dma_ops->get_scsi_sgl(dev, sg, sz) +#define mmu_release_scsi_one(dev,vaddr,len) \ + sparc32_dma_ops->release_scsi_one(dev, vaddr,len) +#define mmu_release_scsi_sgl(dev,sg,sz) \ + sparc32_dma_ops->release_scsi_sgl(dev, sg, sz) + +#ifdef CONFIG_SBUS +/* + * mmu_map/unmap are provided by iommu/iounit; Invalid to call on IIep. + * + * The mmu_map_dma_area establishes two mappings in one go. + * These mappings point to pages normally mapped at 'va' (linear address). + * First mapping is for CPU visible address at 'a', uncached. + * This is an alias, but it works because it is an uncached mapping. + * Second mapping is for device visible address, or "bus" address. + * The bus address is returned at '*pba'. + * + * These functions seem distinct, but are hard to split. + * On sun4m, page attributes depend on the CPU type, so we have to + * know if we are mapping RAM or I/O, so it has to be an additional argument + * to a separate mapping function for CPU visible mappings. + */ +#define sbus_map_dma_area(dev,pba,va,a,len) \ + sparc32_dma_ops->map_dma_area(dev, pba, va, a, len) +#define sbus_unmap_dma_area(dev,ba,len) \ + sparc32_dma_ops->unmap_dma_area(dev, ba, len) +#endif /* CONFIG_SBUS */ + +#endif + +#endif /* !(_ASM_SPARC_DMA_H) */ diff --git a/arch/sparc/include/asm/dma_32.h b/arch/sparc/include/asm/dma_32.h deleted file mode 100644 index cf7189c0079..00000000000 --- a/arch/sparc/include/asm/dma_32.h +++ /dev/null @@ -1,288 +0,0 @@ -/* include/asm/dma.h - * - * Copyright 1995 (C) David S. Miller (davem@davemloft.net) - */ - -#ifndef _ASM_SPARC_DMA_H -#define _ASM_SPARC_DMA_H - -#include <linux/kernel.h> -#include <linux/types.h> - -#include <asm/vac-ops.h> /* for invalidate's, etc. */ -#include <asm/sbus.h> -#include <asm/delay.h> -#include <asm/oplib.h> -#include <asm/system.h> -#include <asm/io.h> -#include <linux/spinlock.h> - -struct page; -extern spinlock_t dma_spin_lock; - -static inline unsigned long claim_dma_lock(void) -{ - unsigned long flags; - spin_lock_irqsave(&dma_spin_lock, flags); - return flags; -} - -static inline void release_dma_lock(unsigned long flags) -{ - spin_unlock_irqrestore(&dma_spin_lock, flags); -} - -/* These are irrelevant for Sparc DMA, but we leave it in so that - * things can compile. - */ -#define MAX_DMA_CHANNELS 8 -#define MAX_DMA_ADDRESS (~0UL) -#define DMA_MODE_READ 1 -#define DMA_MODE_WRITE 2 - -/* Useful constants */ -#define SIZE_16MB (16*1024*1024) -#define SIZE_64K (64*1024) - -/* SBUS DMA controller reg offsets */ -#define DMA_CSR 0x00UL /* rw DMA control/status register 0x00 */ -#define DMA_ADDR 0x04UL /* rw DMA transfer address register 0x04 */ -#define DMA_COUNT 0x08UL /* rw DMA transfer count register 0x08 */ -#define DMA_TEST 0x0cUL /* rw DMA test/debug register 0x0c */ - -/* DVMA chip revisions */ -enum dvma_rev { - dvmarev0, - dvmaesc1, - dvmarev1, - dvmarev2, - dvmarev3, - dvmarevplus, - dvmahme -}; - -#define DMA_HASCOUNT(rev) ((rev)==dvmaesc1) - -/* Linux DMA information structure, filled during probe. */ -struct sbus_dma { - struct sbus_dma *next; - struct sbus_dev *sdev; - void __iomem *regs; - - /* Status, misc info */ - int node; /* Prom node for this DMA device */ - int running; /* Are we doing DMA now? */ - int allocated; /* Are we "owned" by anyone yet? */ - - /* Transfer information. */ - unsigned long addr; /* Start address of current transfer */ - int nbytes; /* Size of current transfer */ - int realbytes; /* For splitting up large transfers, etc. */ - - /* DMA revision */ - enum dvma_rev revision; -}; - -extern struct sbus_dma *dma_chain; - -/* Broken hardware... */ -#ifdef CONFIG_SUN4 -/* Have to sort this out. Does rev0 work fine on sun4[cmd] without isbroken? - * Or is rev0 present only on sun4 boxes? -jj */ -#define DMA_ISBROKEN(dma) ((dma)->revision == dvmarev0 || (dma)->revision == dvmarev1) -#else -#define DMA_ISBROKEN(dma) ((dma)->revision == dvmarev1) -#endif -#define DMA_ISESC1(dma) ((dma)->revision == dvmaesc1) - -/* Main routines in dma.c */ -extern void dvma_init(struct sbus_bus *); - -/* Fields in the cond_reg register */ -/* First, the version identification bits */ -#define DMA_DEVICE_ID 0xf0000000 /* Device identification bits */ -#define DMA_VERS0 0x00000000 /* Sunray DMA version */ -#define DMA_ESCV1 0x40000000 /* DMA ESC Version 1 */ -#define DMA_VERS1 0x80000000 /* DMA rev 1 */ -#define DMA_VERS2 0xa0000000 /* DMA rev 2 */ -#define DMA_VERHME 0xb0000000 /* DMA hme gate array */ -#define DMA_VERSPLUS 0x90000000 /* DMA rev 1 PLUS */ - -#define DMA_HNDL_INTR 0x00000001 /* An IRQ needs to be handled */ -#define DMA_HNDL_ERROR 0x00000002 /* We need to take an error */ -#define DMA_FIFO_ISDRAIN 0x0000000c /* The DMA FIFO is draining */ -#define DMA_INT_ENAB 0x00000010 /* Turn on interrupts */ -#define DMA_FIFO_INV 0x00000020 /* Invalidate the FIFO */ -#define DMA_ACC_SZ_ERR 0x00000040 /* The access size was bad */ -#define DMA_FIFO_STDRAIN 0x00000040 /* DMA_VERS1 Drain the FIFO */ -#define DMA_RST_SCSI 0x00000080 /* Reset the SCSI controller */ -#define DMA_RST_ENET DMA_RST_SCSI /* Reset the ENET controller */ -#define DMA_RST_BPP DMA_RST_SCSI /* Reset the BPP controller */ -#define DMA_ST_WRITE 0x00000100 /* write from device to memory */ -#define DMA_ENABLE 0x00000200 /* Fire up DMA, handle requests */ -#define DMA_PEND_READ 0x00000400 /* DMA_VERS1/0/PLUS Pending Read */ -#define DMA_ESC_BURST 0x00000800 /* 1=16byte 0=32byte */ -#define DMA_READ_AHEAD 0x00001800 /* DMA read ahead partial longword */ -#define DMA_DSBL_RD_DRN 0x00001000 /* No EC drain on slave reads */ -#define DMA_BCNT_ENAB 0x00002000 /* If on, use the byte counter */ -#define DMA_TERM_CNTR 0x00004000 /* Terminal counter */ -#define DMA_SCSI_SBUS64 0x00008000 /* HME: Enable 64-bit SBUS mode. */ -#define DMA_CSR_DISAB 0x00010000 /* No FIFO drains during csr */ -#define DMA_SCSI_DISAB 0x00020000 /* No FIFO drains during reg */ -#define DMA_DSBL_WR_INV 0x00020000 /* No EC inval. on slave writes */ -#define DMA_ADD_ENABLE 0x00040000 /* Special ESC DVMA optimization */ -#define DMA_E_BURSTS 0x000c0000 /* ENET: SBUS r/w burst mask */ -#define DMA_E_BURST32 0x00040000 /* ENET: SBUS 32 byte r/w burst */ -#define DMA_E_BURST16 0x00000000 /* ENET: SBUS 16 byte r/w burst */ -#define DMA_BRST_SZ 0x000c0000 /* SCSI: SBUS r/w burst size */ -#define DMA_BRST64 0x00080000 /* SCSI: 64byte bursts (HME on UltraSparc only) */ -#define DMA_BRST32 0x00040000 /* SCSI/BPP: 32byte bursts */ -#define DMA_BRST16 0x00000000 /* SCSI/BPP: 16byte bursts */ -#define DMA_BRST0 0x00080000 /* SCSI: no bursts (non-HME gate arrays) */ -#define DMA_ADDR_DISAB 0x00100000 /* No FIFO drains during addr */ -#define DMA_2CLKS 0x00200000 /* Each transfer = 2 clock ticks */ -#define DMA_3CLKS 0x00400000 /* Each transfer = 3 clock ticks */ -#define DMA_EN_ENETAUI DMA_3CLKS /* Put lance into AUI-cable mode */ -#define DMA_CNTR_DISAB 0x00800000 /* No IRQ when DMA_TERM_CNTR set */ -#define DMA_AUTO_NADDR 0x01000000 /* Use "auto nxt addr" feature */ -#define DMA_SCSI_ON 0x02000000 /* Enable SCSI dma */ -#define DMA_BPP_ON DMA_SCSI_ON /* Enable BPP dma */ -#define DMA_PARITY_OFF 0x02000000 /* HME: disable parity checking */ -#define DMA_LOADED_ADDR 0x04000000 /* Address has been loaded */ -#define DMA_LOADED_NADDR 0x08000000 /* Next address has been loaded */ -#define DMA_RESET_FAS366 0x08000000 /* HME: Assert RESET to FAS366 */ - -/* Values describing the burst-size property from the PROM */ -#define DMA_BURST1 0x01 -#define DMA_BURST2 0x02 -#define DMA_BURST4 0x04 -#define DMA_BURST8 0x08 -#define DMA_BURST16 0x10 -#define DMA_BURST32 0x20 -#define DMA_BURST64 0x40 -#define DMA_BURSTBITS 0x7f - -/* Determine highest possible final transfer address given a base */ -#define DMA_MAXEND(addr) (0x01000000UL-(((unsigned long)(addr))&0x00ffffffUL)) - -/* Yes, I hack a lot of elisp in my spare time... */ -#define DMA_ERROR_P(regs) ((((regs)->cond_reg) & DMA_HNDL_ERROR)) -#define DMA_IRQ_P(regs) ((((regs)->cond_reg) & (DMA_HNDL_INTR | DMA_HNDL_ERROR))) -#define DMA_WRITE_P(regs) ((((regs)->cond_reg) & DMA_ST_WRITE)) -#define DMA_OFF(regs) ((((regs)->cond_reg) &= (~DMA_ENABLE))) -#define DMA_INTSOFF(regs) ((((regs)->cond_reg) &= (~DMA_INT_ENAB))) -#define DMA_INTSON(regs) ((((regs)->cond_reg) |= (DMA_INT_ENAB))) -#define DMA_PUNTFIFO(regs) ((((regs)->cond_reg) |= DMA_FIFO_INV)) -#define DMA_SETSTART(regs, addr) ((((regs)->st_addr) = (char *) addr)) -#define DMA_BEGINDMA_W(regs) \ - ((((regs)->cond_reg |= (DMA_ST_WRITE|DMA_ENABLE|DMA_INT_ENAB)))) -#define DMA_BEGINDMA_R(regs) \ - ((((regs)->cond_reg |= ((DMA_ENABLE|DMA_INT_ENAB)&(~DMA_ST_WRITE))))) - -/* For certain DMA chips, we need to disable ints upon irq entry - * and turn them back on when we are done. So in any ESP interrupt - * handler you *must* call DMA_IRQ_ENTRY upon entry and DMA_IRQ_EXIT - * when leaving the handler. You have been warned... - */ -#define DMA_IRQ_ENTRY(dma, dregs) do { \ - if(DMA_ISBROKEN(dma)) DMA_INTSOFF(dregs); \ - } while (0) - -#define DMA_IRQ_EXIT(dma, dregs) do { \ - if(DMA_ISBROKEN(dma)) DMA_INTSON(dregs); \ - } while(0) - -#if 0 /* P3 this stuff is inline in ledma.c:init_restart_ledma() */ -/* Pause until counter runs out or BIT isn't set in the DMA condition - * register. - */ -static inline void sparc_dma_pause(struct sparc_dma_registers *regs, - unsigned long bit) -{ - int ctr = 50000; /* Let's find some bugs ;) */ - - /* Busy wait until the bit is not set any more */ - while((regs->cond_reg&bit) && (ctr>0)) { - ctr--; - __delay(5); - } - - /* Check for bogus outcome. */ - if(!ctr) - panic("DMA timeout"); -} - -/* Reset the friggin' thing... */ -#define DMA_RESET(dma) do { \ - struct sparc_dma_registers *regs = dma->regs; \ - /* Let the current FIFO drain itself */ \ - sparc_dma_pause(regs, (DMA_FIFO_ISDRAIN)); \ - /* Reset the logic */ \ - regs->cond_reg |= (DMA_RST_SCSI); /* assert */ \ - __delay(400); /* let the bits set ;) */ \ - regs->cond_reg &= ~(DMA_RST_SCSI); /* de-assert */ \ - sparc_dma_enable_interrupts(regs); /* Re-enable interrupts */ \ - /* Enable FAST transfers if available */ \ - if(dma->revision>dvmarev1) regs->cond_reg |= DMA_3CLKS; \ - dma->running = 0; \ -} while(0) -#endif - -#define for_each_dvma(dma) \ - for((dma) = dma_chain; (dma); (dma) = (dma)->next) - -extern int get_dma_list(char *); -extern int request_dma(unsigned int, __const__ char *); -extern void free_dma(unsigned int); - -/* From PCI */ - -#ifdef CONFIG_PCI -extern int isa_dma_bridge_buggy; -#else -#define isa_dma_bridge_buggy (0) -#endif - -/* Routines for data transfer buffers. */ -BTFIXUPDEF_CALL(char *, mmu_lockarea, char *, unsigned long) -BTFIXUPDEF_CALL(void, mmu_unlockarea, char *, unsigned long) - -#define mmu_lockarea(vaddr,len) BTFIXUP_CALL(mmu_lockarea)(vaddr,len) -#define mmu_unlockarea(vaddr,len) BTFIXUP_CALL(mmu_unlockarea)(vaddr,len) - -/* These are implementations for sbus_map_sg/sbus_unmap_sg... collapse later */ -BTFIXUPDEF_CALL(__u32, mmu_get_scsi_one, char *, unsigned long, struct sbus_bus *sbus) -BTFIXUPDEF_CALL(void, mmu_get_scsi_sgl, struct scatterlist *, int, struct sbus_bus *sbus) -BTFIXUPDEF_CALL(void, mmu_release_scsi_one, __u32, unsigned long, struct sbus_bus *sbus) -BTFIXUPDEF_CALL(void, mmu_release_scsi_sgl, struct scatterlist *, int, struct sbus_bus *sbus) - -#define mmu_get_scsi_one(vaddr,len,sbus) BTFIXUP_CALL(mmu_get_scsi_one)(vaddr,len,sbus) -#define mmu_get_scsi_sgl(sg,sz,sbus) BTFIXUP_CALL(mmu_get_scsi_sgl)(sg,sz,sbus) -#define mmu_release_scsi_one(vaddr,len,sbus) BTFIXUP_CALL(mmu_release_scsi_one)(vaddr,len,sbus) -#define mmu_release_scsi_sgl(sg,sz,sbus) BTFIXUP_CALL(mmu_release_scsi_sgl)(sg,sz,sbus) - -/* - * mmu_map/unmap are provided by iommu/iounit; Invalid to call on IIep. - * - * The mmu_map_dma_area establishes two mappings in one go. - * These mappings point to pages normally mapped at 'va' (linear address). - * First mapping is for CPU visible address at 'a', uncached. - * This is an alias, but it works because it is an uncached mapping. - * Second mapping is for device visible address, or "bus" address. - * The bus address is returned at '*pba'. - * - * These functions seem distinct, but are hard to split. On sun4c, - * at least for now, 'a' is equal to bus address, and retured in *pba. - * On sun4m, page attributes depend on the CPU type, so we have to - * know if we are mapping RAM or I/O, so it has to be an additional argument - * to a separate mapping function for CPU visible mappings. - */ -BTFIXUPDEF_CALL(int, mmu_map_dma_area, dma_addr_t *, unsigned long, unsigned long, int len) -BTFIXUPDEF_CALL(struct page *, mmu_translate_dvma, unsigned long busa) -BTFIXUPDEF_CALL(void, mmu_unmap_dma_area, unsigned long busa, int len) - -#define mmu_map_dma_area(pba,va,a,len) BTFIXUP_CALL(mmu_map_dma_area)(pba,va,a,len) -#define mmu_unmap_dma_area(ba,len) BTFIXUP_CALL(mmu_unmap_dma_area)(ba,len) -#define mmu_translate_dvma(ba) BTFIXUP_CALL(mmu_translate_dvma)(ba) - -#endif /* !(_ASM_SPARC_DMA_H) */ diff --git a/arch/sparc/include/asm/dma_64.h b/arch/sparc/include/asm/dma_64.h deleted file mode 100644 index 46a8aecffc0..00000000000 --- a/arch/sparc/include/asm/dma_64.h +++ /dev/null @@ -1,205 +0,0 @@ -/* - * include/asm/dma.h - * - * Copyright 1996 (C) David S. Miller (davem@caip.rutgers.edu) - */ - -#ifndef _ASM_SPARC64_DMA_H -#define _ASM_SPARC64_DMA_H - -#include <linux/kernel.h> -#include <linux/types.h> -#include <linux/spinlock.h> - -#include <asm/sbus.h> -#include <asm/delay.h> -#include <asm/oplib.h> - -/* These are irrelevant for Sparc DMA, but we leave it in so that - * things can compile. - */ -#define MAX_DMA_CHANNELS 8 -#define DMA_MODE_READ 1 -#define DMA_MODE_WRITE 2 -#define MAX_DMA_ADDRESS (~0UL) - -/* Useful constants */ -#define SIZE_16MB (16*1024*1024) -#define SIZE_64K (64*1024) - -/* SBUS DMA controller reg offsets */ -#define DMA_CSR 0x00UL /* rw DMA control/status register 0x00 */ -#define DMA_ADDR 0x04UL /* rw DMA transfer address register 0x04 */ -#define DMA_COUNT 0x08UL /* rw DMA transfer count register 0x08 */ -#define DMA_TEST 0x0cUL /* rw DMA test/debug register 0x0c */ - -/* DVMA chip revisions */ -enum dvma_rev { - dvmarev0, - dvmaesc1, - dvmarev1, - dvmarev2, - dvmarev3, - dvmarevplus, - dvmahme -}; - -#define DMA_HASCOUNT(rev) ((rev)==dvmaesc1) - -/* Linux DMA information structure, filled during probe. */ -struct sbus_dma { - struct sbus_dma *next; - struct sbus_dev *sdev; - void __iomem *regs; - - /* Status, misc info */ - int node; /* Prom node for this DMA device */ - int running; /* Are we doing DMA now? */ - int allocated; /* Are we "owned" by anyone yet? */ - - /* Transfer information. */ - u32 addr; /* Start address of current transfer */ - int nbytes; /* Size of current transfer */ - int realbytes; /* For splitting up large transfers, etc. */ - - /* DMA revision */ - enum dvma_rev revision; -}; - -extern struct sbus_dma *dma_chain; - -/* Broken hardware... */ -#define DMA_ISBROKEN(dma) ((dma)->revision == dvmarev1) -#define DMA_ISESC1(dma) ((dma)->revision == dvmaesc1) - -/* Main routines in dma.c */ -extern void dvma_init(struct sbus_bus *); - -/* Fields in the cond_reg register */ -/* First, the version identification bits */ -#define DMA_DEVICE_ID 0xf0000000 /* Device identification bits */ -#define DMA_VERS0 0x00000000 /* Sunray DMA version */ -#define DMA_ESCV1 0x40000000 /* DMA ESC Version 1 */ -#define DMA_VERS1 0x80000000 /* DMA rev 1 */ -#define DMA_VERS2 0xa0000000 /* DMA rev 2 */ -#define DMA_VERHME 0xb0000000 /* DMA hme gate array */ -#define DMA_VERSPLUS 0x90000000 /* DMA rev 1 PLUS */ - -#define DMA_HNDL_INTR 0x00000001 /* An IRQ needs to be handled */ -#define DMA_HNDL_ERROR 0x00000002 /* We need to take an error */ -#define DMA_FIFO_ISDRAIN 0x0000000c /* The DMA FIFO is draining */ -#define DMA_INT_ENAB 0x00000010 /* Turn on interrupts */ -#define DMA_FIFO_INV 0x00000020 /* Invalidate the FIFO */ -#define DMA_ACC_SZ_ERR 0x00000040 /* The access size was bad */ -#define DMA_FIFO_STDRAIN 0x00000040 /* DMA_VERS1 Drain the FIFO */ -#define DMA_RST_SCSI 0x00000080 /* Reset the SCSI controller */ -#define DMA_RST_ENET DMA_RST_SCSI /* Reset the ENET controller */ -#define DMA_ST_WRITE 0x00000100 /* write from device to memory */ -#define DMA_ENABLE 0x00000200 /* Fire up DMA, handle requests */ -#define DMA_PEND_READ 0x00000400 /* DMA_VERS1/0/PLUS Pending Read */ -#define DMA_ESC_BURST 0x00000800 /* 1=16byte 0=32byte */ -#define DMA_READ_AHEAD 0x00001800 /* DMA read ahead partial longword */ -#define DMA_DSBL_RD_DRN 0x00001000 /* No EC drain on slave reads */ -#define DMA_BCNT_ENAB 0x00002000 /* If on, use the byte counter */ -#define DMA_TERM_CNTR 0x00004000 /* Terminal counter */ -#define DMA_SCSI_SBUS64 0x00008000 /* HME: Enable 64-bit SBUS mode. */ -#define DMA_CSR_DISAB 0x00010000 /* No FIFO drains during csr */ -#define DMA_SCSI_DISAB 0x00020000 /* No FIFO drains during reg */ -#define DMA_DSBL_WR_INV 0x00020000 /* No EC inval. on slave writes */ -#define DMA_ADD_ENABLE 0x00040000 /* Special ESC DVMA optimization */ -#define DMA_E_BURSTS 0x000c0000 /* ENET: SBUS r/w burst mask */ -#define DMA_E_BURST32 0x00040000 /* ENET: SBUS 32 byte r/w burst */ -#define DMA_E_BURST16 0x00000000 /* ENET: SBUS 16 byte r/w burst */ -#define DMA_BRST_SZ 0x000c0000 /* SCSI: SBUS r/w burst size */ -#define DMA_BRST64 0x000c0000 /* SCSI: 64byte bursts (HME on UltraSparc only) */ -#define DMA_BRST32 0x00040000 /* SCSI: 32byte bursts */ -#define DMA_BRST16 0x00000000 /* SCSI: 16byte bursts */ -#define DMA_BRST0 0x00080000 /* SCSI: no bursts (non-HME gate arrays) */ -#define DMA_ADDR_DISAB 0x00100000 /* No FIFO drains during addr */ -#define DMA_2CLKS 0x00200000 /* Each transfer = 2 clock ticks */ -#define DMA_3CLKS 0x00400000 /* Each transfer = 3 clock ticks */ -#define DMA_EN_ENETAUI DMA_3CLKS /* Put lance into AUI-cable mode */ -#define DMA_CNTR_DISAB 0x00800000 /* No IRQ when DMA_TERM_CNTR set */ -#define DMA_AUTO_NADDR 0x01000000 /* Use "auto nxt addr" feature */ -#define DMA_SCSI_ON 0x02000000 /* Enable SCSI dma */ -#define DMA_PARITY_OFF 0x02000000 /* HME: disable parity checking */ -#define DMA_LOADED_ADDR 0x04000000 /* Address has been loaded */ -#define DMA_LOADED_NADDR 0x08000000 /* Next address has been loaded */ -#define DMA_RESET_FAS366 0x08000000 /* HME: Assert RESET to FAS366 */ - -/* Values describing the burst-size property from the PROM */ -#define DMA_BURST1 0x01 -#define DMA_BURST2 0x02 -#define DMA_BURST4 0x04 -#define DMA_BURST8 0x08 -#define DMA_BURST16 0x10 -#define DMA_BURST32 0x20 -#define DMA_BURST64 0x40 -#define DMA_BURSTBITS 0x7f - -/* Determine highest possible final transfer address given a base */ -#define DMA_MAXEND(addr) (0x01000000UL-(((unsigned long)(addr))&0x00ffffffUL)) - -/* Yes, I hack a lot of elisp in my spare time... */ -#define DMA_ERROR_P(regs) ((sbus_readl((regs) + DMA_CSR) & DMA_HNDL_ERROR)) -#define DMA_IRQ_P(regs) ((sbus_readl((regs) + DMA_CSR)) & (DMA_HNDL_INTR | DMA_HNDL_ERROR)) -#define DMA_WRITE_P(regs) ((sbus_readl((regs) + DMA_CSR) & DMA_ST_WRITE)) -#define DMA_OFF(__regs) \ -do { u32 tmp = sbus_readl((__regs) + DMA_CSR); \ - tmp &= ~DMA_ENABLE; \ - sbus_writel(tmp, (__regs) + DMA_CSR); \ -} while(0) -#define DMA_INTSOFF(__regs) \ -do { u32 tmp = sbus_readl((__regs) + DMA_CSR); \ - tmp &= ~DMA_INT_ENAB; \ - sbus_writel(tmp, (__regs) + DMA_CSR); \ -} while(0) -#define DMA_INTSON(__regs) \ -do { u32 tmp = sbus_readl((__regs) + DMA_CSR); \ - tmp |= DMA_INT_ENAB; \ - sbus_writel(tmp, (__regs) + DMA_CSR); \ -} while(0) -#define DMA_PUNTFIFO(__regs) \ -do { u32 tmp = sbus_readl((__regs) + DMA_CSR); \ - tmp |= DMA_FIFO_INV; \ - sbus_writel(tmp, (__regs) + DMA_CSR); \ -} while(0) -#define DMA_SETSTART(__regs, __addr) \ - sbus_writel((u32)(__addr), (__regs) + DMA_ADDR); -#define DMA_BEGINDMA_W(__regs) \ -do { u32 tmp = sbus_readl((__regs) + DMA_CSR); \ - tmp |= (DMA_ST_WRITE|DMA_ENABLE|DMA_INT_ENAB); \ - sbus_writel(tmp, (__regs) + DMA_CSR); \ -} while(0) -#define DMA_BEGINDMA_R(__regs) \ -do { u32 tmp = sbus_readl((__regs) + DMA_CSR); \ - tmp |= (DMA_ENABLE|DMA_INT_ENAB); \ - tmp &= ~DMA_ST_WRITE; \ - sbus_writel(tmp, (__regs) + DMA_CSR); \ -} while(0) - -/* For certain DMA chips, we need to disable ints upon irq entry - * and turn them back on when we are done. So in any ESP interrupt - * handler you *must* call DMA_IRQ_ENTRY upon entry and DMA_IRQ_EXIT - * when leaving the handler. You have been warned... - */ -#define DMA_IRQ_ENTRY(dma, dregs) do { \ - if(DMA_ISBROKEN(dma)) DMA_INTSOFF(dregs); \ - } while (0) - -#define DMA_IRQ_EXIT(dma, dregs) do { \ - if(DMA_ISBROKEN(dma)) DMA_INTSON(dregs); \ - } while(0) - -#define for_each_dvma(dma) \ - for((dma) = dma_chain; (dma); (dma) = (dma)->next) - -/* From PCI */ - -#ifdef CONFIG_PCI -extern int isa_dma_bridge_buggy; -#else -#define isa_dma_bridge_buggy (0) -#endif - -#endif /* !(_ASM_SPARC64_DMA_H) */ diff --git a/arch/sparc/include/asm/ebus.h b/arch/sparc/include/asm/ebus.h deleted file mode 100644 index 83a6d16c22e..00000000000 --- a/arch/sparc/include/asm/ebus.h +++ /dev/null @@ -1,8 +0,0 @@ -#ifndef ___ASM_SPARC_EBUS_H -#define ___ASM_SPARC_EBUS_H -#if defined(__sparc__) && defined(__arch64__) -#include <asm/ebus_64.h> -#else -#include <asm/ebus_32.h> -#endif -#endif diff --git a/arch/sparc/include/asm/ebus_32.h b/arch/sparc/include/asm/ebus_32.h deleted file mode 100644 index f91f0b267ce..00000000000 --- a/arch/sparc/include/asm/ebus_32.h +++ /dev/null @@ -1,99 +0,0 @@ -/* - * ebus.h: PCI to Ebus pseudo driver software state. - * - * Copyright (C) 1997 Eddie C. Dost (ecd@skynet.be) - * - * Adopted for sparc by V. Roganov and G. Raiko. - */ - -#ifndef __SPARC_EBUS_H -#define __SPARC_EBUS_H - -#ifndef _LINUX_IOPORT_H -#include <linux/ioport.h> -#endif -#include <linux/of_device.h> -#include <asm/oplib.h> -#include <asm/prom.h> - -struct linux_ebus_child { - struct linux_ebus_child *next; - struct linux_ebus_device *parent; - struct linux_ebus *bus; - struct device_node *prom_node; - struct resource resource[PROMREG_MAX]; - int num_addrs; - unsigned int irqs[PROMINTR_MAX]; - int num_irqs; -}; - -struct linux_ebus_device { - struct of_device ofdev; - struct linux_ebus_device *next; - struct linux_ebus_child *children; - struct linux_ebus *bus; - struct device_node *prom_node; - struct resource resource[PROMREG_MAX]; - int num_addrs; - unsigned int irqs[PROMINTR_MAX]; - int num_irqs; -}; -#define to_ebus_device(d) container_of(d, struct linux_ebus_device, ofdev.dev) - -struct linux_ebus { - struct of_device ofdev; - struct linux_ebus *next; - struct linux_ebus_device *devices; - struct linux_pbm_info *parent; - struct pci_dev *self; - struct device_node *prom_node; -}; -#define to_ebus(d) container_of(d, struct linux_ebus, ofdev.dev) - -struct linux_ebus_dma { - unsigned int dcsr; - unsigned int dacr; - unsigned int dbcr; -}; - -#define EBUS_DCSR_INT_PEND 0x00000001 -#define EBUS_DCSR_ERR_PEND 0x00000002 -#define EBUS_DCSR_DRAIN 0x00000004 -#define EBUS_DCSR_INT_EN 0x00000010 -#define EBUS_DCSR_RESET 0x00000080 -#define EBUS_DCSR_WRITE 0x00000100 -#define EBUS_DCSR_EN_DMA 0x00000200 -#define EBUS_DCSR_CYC_PEND 0x00000400 -#define EBUS_DCSR_DIAG_RD_DONE 0x00000800 -#define EBUS_DCSR_DIAG_WR_DONE 0x00001000 -#define EBUS_DCSR_EN_CNT 0x00002000 -#define EBUS_DCSR_TC 0x00004000 -#define EBUS_DCSR_DIS_CSR_DRN 0x00010000 -#define EBUS_DCSR_BURST_SZ_MASK 0x000c0000 -#define EBUS_DCSR_BURST_SZ_1 0x00080000 -#define EBUS_DCSR_BURST_SZ_4 0x00000000 -#define EBUS_DCSR_BURST_SZ_8 0x00040000 -#define EBUS_DCSR_BURST_SZ_16 0x000c0000 -#define EBUS_DCSR_DIAG_EN 0x00100000 -#define EBUS_DCSR_DIS_ERR_PEND 0x00400000 -#define EBUS_DCSR_TCI_DIS 0x00800000 -#define EBUS_DCSR_EN_NEXT 0x01000000 -#define EBUS_DCSR_DMA_ON 0x02000000 -#define EBUS_DCSR_A_LOADED 0x04000000 -#define EBUS_DCSR_NA_LOADED 0x08000000 -#define EBUS_DCSR_DEV_ID_MASK 0xf0000000 - -extern struct linux_ebus *ebus_chain; - -extern void ebus_init(void); - -#define for_each_ebus(bus) \ - for((bus) = ebus_chain; (bus); (bus) = (bus)->next) - -#define for_each_ebusdev(dev, bus) \ - for((dev) = (bus)->devices; (dev); (dev) = (dev)->next) - -#define for_each_edevchild(dev, child) \ - for((child) = (dev)->children; (child); (child) = (child)->next) - -#endif /* !(__SPARC_EBUS_H) */ diff --git a/arch/sparc/include/asm/ebus_64.h b/arch/sparc/include/asm/ebus_64.h deleted file mode 100644 index 14c6a111f60..00000000000 --- a/arch/sparc/include/asm/ebus_64.h +++ /dev/null @@ -1,95 +0,0 @@ -/* - * ebus.h: PCI to Ebus pseudo driver software state. - * - * Copyright (C) 1997 Eddie C. Dost (ecd@skynet.be) - * Copyright (C) 1999 David S. Miller (davem@redhat.com) - */ - -#ifndef __SPARC64_EBUS_H -#define __SPARC64_EBUS_H - -#include <linux/of_device.h> - -#include <asm/oplib.h> -#include <asm/prom.h> - -struct linux_ebus_child { - struct linux_ebus_child *next; - struct linux_ebus_device *parent; - struct linux_ebus *bus; - struct device_node *prom_node; - struct resource resource[PROMREG_MAX]; - int num_addrs; - unsigned int irqs[PROMINTR_MAX]; - int num_irqs; -}; - -struct linux_ebus_device { - struct of_device ofdev; - struct linux_ebus_device *next; - struct linux_ebus_child *children; - struct linux_ebus *bus; - struct device_node *prom_node; - struct resource resource[PROMREG_MAX]; - int num_addrs; - unsigned int irqs[PROMINTR_MAX]; - int num_irqs; -}; -#define to_ebus_device(d) container_of(d, struct linux_ebus_device, ofdev.dev) - -struct linux_ebus { - struct of_device ofdev; - struct linux_ebus *next; - struct linux_ebus_device *devices; - struct pci_dev *self; - int index; - int is_rio; - struct device_node *prom_node; -}; -#define to_ebus(d) container_of(d, struct linux_ebus, ofdev.dev) - -struct ebus_dma_info { - spinlock_t lock; - void __iomem *regs; - - unsigned int flags; -#define EBUS_DMA_FLAG_USE_EBDMA_HANDLER 0x00000001 -#define EBUS_DMA_FLAG_TCI_DISABLE 0x00000002 - - /* These are only valid is EBUS_DMA_FLAG_USE_EBDMA_HANDLER is - * set. - */ - void (*callback)(struct ebus_dma_info *p, int event, void *cookie); - void *client_cookie; - unsigned int irq; -#define EBUS_DMA_EVENT_ERROR 1 -#define EBUS_DMA_EVENT_DMA 2 -#define EBUS_DMA_EVENT_DEVICE 4 - - unsigned char name[64]; -}; - -extern int ebus_dma_register(struct ebus_dma_info *p); -extern int ebus_dma_irq_enable(struct ebus_dma_info *p, int on); -extern void ebus_dma_unregister(struct ebus_dma_info *p); -extern int ebus_dma_request(struct ebus_dma_info *p, dma_addr_t bus_addr, - size_t len); -extern void ebus_dma_prepare(struct ebus_dma_info *p, int write); -extern unsigned int ebus_dma_residue(struct ebus_dma_info *p); -extern unsigned int ebus_dma_addr(struct ebus_dma_info *p); -extern void ebus_dma_enable(struct ebus_dma_info *p, int on); - -extern struct linux_ebus *ebus_chain; - -extern void ebus_init(void); - -#define for_each_ebus(bus) \ - for((bus) = ebus_chain; (bus); (bus) = (bus)->next) - -#define for_each_ebusdev(dev, bus) \ - for((dev) = (bus)->devices; (dev); (dev) = (dev)->next) - -#define for_each_edevchild(dev, child) \ - for((child) = (dev)->children; (child); (child) = (child)->next) - -#endif /* !(__SPARC64_EBUS_H) */ diff --git a/arch/sparc/include/asm/ebus_dma.h b/arch/sparc/include/asm/ebus_dma.h new file mode 100644 index 00000000000..fcfb4948147 --- /dev/null +++ b/arch/sparc/include/asm/ebus_dma.h @@ -0,0 +1,35 @@ +#ifndef __ASM_SPARC_EBUS_DMA_H +#define __ASM_SPARC_EBUS_DMA_H + +struct ebus_dma_info { + spinlock_t lock; + void __iomem *regs; + + unsigned int flags; +#define EBUS_DMA_FLAG_USE_EBDMA_HANDLER 0x00000001 +#define EBUS_DMA_FLAG_TCI_DISABLE 0x00000002 + + /* These are only valid is EBUS_DMA_FLAG_USE_EBDMA_HANDLER is + * set. + */ + void (*callback)(struct ebus_dma_info *p, int event, void *cookie); + void *client_cookie; + unsigned int irq; +#define EBUS_DMA_EVENT_ERROR 1 +#define EBUS_DMA_EVENT_DMA 2 +#define EBUS_DMA_EVENT_DEVICE 4 + + unsigned char name[64]; +}; + +int ebus_dma_register(struct ebus_dma_info *p); +int ebus_dma_irq_enable(struct ebus_dma_info *p, int on); +void ebus_dma_unregister(struct ebus_dma_info *p); +int ebus_dma_request(struct ebus_dma_info *p, dma_addr_t bus_addr, + size_t len); +void ebus_dma_prepare(struct ebus_dma_info *p, int write); +unsigned int ebus_dma_residue(struct ebus_dma_info *p); +unsigned int ebus_dma_addr(struct ebus_dma_info *p); +void ebus_dma_enable(struct ebus_dma_info *p, int on); + +#endif /* __ASM_SPARC_EBUS_DMA_H */ diff --git a/arch/sparc/include/asm/elf_32.h b/arch/sparc/include/asm/elf_32.h index d043f80bc2f..a24e41fcdde 100644 --- a/arch/sparc/include/asm/elf_32.h +++ b/arch/sparc/include/asm/elf_32.h @@ -104,12 +104,7 @@ typedef struct { #define ELF_CLASS ELFCLASS32 #define ELF_DATA ELFDATA2MSB -#define USE_ELF_CORE_DUMP -#ifndef CONFIG_SUN4 #define ELF_EXEC_PAGESIZE 4096 -#else -#define ELF_EXEC_PAGESIZE 8192 -#endif /* This is the location that an ET_DYN program is loaded if exec'ed. Typical @@ -123,16 +118,9 @@ typedef struct { instruction set this cpu supports. This can NOT be done in userspace on Sparc. */ -/* Sun4c has none of the capabilities, most sun4m's have them all. - * XXX This is gross, set some global variable at boot time. -DaveM - */ -#define ELF_HWCAP ((ARCH_SUN4C_SUN4) ? 0 : \ - (HWCAP_SPARC_FLUSH | HWCAP_SPARC_STBAR | \ - HWCAP_SPARC_SWAP | \ - ((srmmu_modtype != Cypress && \ - srmmu_modtype != Cypress_vE && \ - srmmu_modtype != Cypress_vD) ? \ - HWCAP_SPARC_MULDIV : 0))) +/* Most sun4m's have them all. */ +#define ELF_HWCAP (HWCAP_SPARC_FLUSH | HWCAP_SPARC_STBAR | \ + HWCAP_SPARC_SWAP | HWCAP_SPARC_MULDIV) /* This yields a string that ld.so will use to load implementation specific libraries for optimization. This is more specific in @@ -140,6 +128,4 @@ typedef struct { #define ELF_PLATFORM (NULL) -#define SET_PERSONALITY(ex, ibcs2) set_personality((ibcs2)?PER_SVR4:PER_LINUX) - #endif /* !(__ASMSPARC_ELF_H) */ diff --git a/arch/sparc/include/asm/elf_64.h b/arch/sparc/include/asm/elf_64.h index 0818a1308f4..370ca1e71ff 100644 --- a/arch/sparc/include/asm/elf_64.h +++ b/arch/sparc/include/asm/elf_64.h @@ -59,15 +59,42 @@ #define R_SPARC_6 45 /* Bits present in AT_HWCAP, primarily for Sparc32. */ - -#define HWCAP_SPARC_FLUSH 1 /* CPU supports flush instruction. */ -#define HWCAP_SPARC_STBAR 2 -#define HWCAP_SPARC_SWAP 4 -#define HWCAP_SPARC_MULDIV 8 -#define HWCAP_SPARC_V9 16 -#define HWCAP_SPARC_ULTRA3 32 -#define HWCAP_SPARC_BLKINIT 64 -#define HWCAP_SPARC_N2 128 +#define HWCAP_SPARC_FLUSH 0x00000001 +#define HWCAP_SPARC_STBAR 0x00000002 +#define HWCAP_SPARC_SWAP 0x00000004 +#define HWCAP_SPARC_MULDIV 0x00000008 +#define HWCAP_SPARC_V9 0x00000010 +#define HWCAP_SPARC_ULTRA3 0x00000020 +#define HWCAP_SPARC_BLKINIT 0x00000040 +#define HWCAP_SPARC_N2 0x00000080 + +/* Solaris compatible AT_HWCAP bits. */ +#define AV_SPARC_MUL32 0x00000100 /* 32x32 multiply is efficient */ +#define AV_SPARC_DIV32 0x00000200 /* 32x32 divide is efficient */ +#define AV_SPARC_FSMULD 0x00000400 /* 'fsmuld' is efficient */ +#define AV_SPARC_V8PLUS 0x00000800 /* v9 insn available to 32bit */ +#define AV_SPARC_POPC 0x00001000 /* 'popc' is efficient */ +#define AV_SPARC_VIS 0x00002000 /* VIS insns available */ +#define AV_SPARC_VIS2 0x00004000 /* VIS2 insns available */ +#define AV_SPARC_ASI_BLK_INIT 0x00008000 /* block init ASIs available */ +#define AV_SPARC_FMAF 0x00010000 /* fused multiply-add */ +#define AV_SPARC_VIS3 0x00020000 /* VIS3 insns available */ +#define AV_SPARC_HPC 0x00040000 /* HPC insns available */ +#define AV_SPARC_RANDOM 0x00080000 /* 'random' insn available */ +#define AV_SPARC_TRANS 0x00100000 /* transaction insns available */ +#define AV_SPARC_FJFMAU 0x00200000 /* unfused multiply-add */ +#define AV_SPARC_IMA 0x00400000 /* integer multiply-add */ +#define AV_SPARC_ASI_CACHE_SPARING \ + 0x00800000 /* cache sparing ASIs available */ +#define AV_SPARC_PAUSE 0x01000000 /* PAUSE available */ +#define AV_SPARC_CBCOND 0x02000000 /* CBCOND insns available */ + +/* Solaris decided to enumerate every single crypto instruction type + * in the AT_HWCAP bits. This is wasteful, since if crypto is present, + * you still need to look in the CFR register to see if the opcode is + * really available. So we simply advertise only "crypto" support. + */ +#define HWCAP_SPARC_CRYPTO 0x04000000 /* CRYPTO insns available */ #define CORE_DUMP_USE_REGSET @@ -152,7 +179,6 @@ typedef struct { (x)->e_machine == EM_SPARC32PLUS) #define compat_start_thread start_thread32 -#define USE_ELF_CORE_DUMP #define ELF_EXEC_PAGESIZE PAGE_SIZE /* This is the location that an ET_DYN program is loaded if exec'ed. Typical @@ -163,31 +189,8 @@ typedef struct { #define ELF_ET_DYN_BASE 0x0000010000000000UL #define COMPAT_ELF_ET_DYN_BASE 0x0000000070000000UL - -/* This yields a mask that user programs can use to figure out what - instruction set this cpu supports. */ - -/* On Ultra, we support all of the v8 capabilities. */ -static inline unsigned int sparc64_elf_hwcap(void) -{ - unsigned int cap = (HWCAP_SPARC_FLUSH | HWCAP_SPARC_STBAR | - HWCAP_SPARC_SWAP | HWCAP_SPARC_MULDIV | - HWCAP_SPARC_V9); - - if (tlb_type == cheetah || tlb_type == cheetah_plus) - cap |= HWCAP_SPARC_ULTRA3; - else if (tlb_type == hypervisor) { - if (sun4v_chip_type == SUN4V_CHIP_NIAGARA1 || - sun4v_chip_type == SUN4V_CHIP_NIAGARA2) - cap |= HWCAP_SPARC_BLKINIT; - if (sun4v_chip_type == SUN4V_CHIP_NIAGARA2) - cap |= HWCAP_SPARC_N2; - } - - return cap; -} - -#define ELF_HWCAP sparc64_elf_hwcap(); +extern unsigned long sparc64_elf_hwcap; +#define ELF_HWCAP sparc64_elf_hwcap /* This yields a string that ld.so will use to load implementation specific libraries for optimization. This is more specific in @@ -195,23 +198,15 @@ static inline unsigned int sparc64_elf_hwcap(void) #define ELF_PLATFORM (NULL) -#define SET_PERSONALITY(ex, ibcs2) \ -do { unsigned long new_flags = current_thread_info()->flags; \ - new_flags &= _TIF_32BIT; \ - if ((ex).e_ident[EI_CLASS] == ELFCLASS32) \ - new_flags |= _TIF_32BIT; \ - else \ - new_flags &= ~_TIF_32BIT; \ - if ((current_thread_info()->flags & _TIF_32BIT) \ - != new_flags) \ - set_thread_flag(TIF_ABI_PENDING); \ +#define SET_PERSONALITY(ex) \ +do { if ((ex).e_ident[EI_CLASS] == ELFCLASS32) \ + set_thread_flag(TIF_32BIT); \ else \ - clear_thread_flag(TIF_ABI_PENDING); \ + clear_thread_flag(TIF_32BIT); \ /* flush_thread will update pgd cache */ \ - if (ibcs2) \ - set_personality(PER_SVR4); \ - else if (current->personality != PER_LINUX32) \ - set_personality(PER_LINUX); \ + if (personality(current->personality) != PER_LINUX32) \ + set_personality(PER_LINUX | \ + (current->personality & (~PER_MASK))); \ } while (0) #endif /* !(__ASM_SPARC64_ELF_H) */ diff --git a/arch/sparc/include/asm/emergency-restart.h b/arch/sparc/include/asm/emergency-restart.h deleted file mode 100644 index 108d8c48e42..00000000000 --- a/arch/sparc/include/asm/emergency-restart.h +++ /dev/null @@ -1,6 +0,0 @@ -#ifndef _ASM_EMERGENCY_RESTART_H -#define _ASM_EMERGENCY_RESTART_H - -#include <asm-generic/emergency-restart.h> - -#endif /* _ASM_EMERGENCY_RESTART_H */ diff --git a/arch/sparc/include/asm/envctrl.h b/arch/sparc/include/asm/envctrl.h deleted file mode 100644 index 624fa7e2da8..00000000000 --- a/arch/sparc/include/asm/envctrl.h +++ /dev/null @@ -1,103 +0,0 @@ -/* - * - * envctrl.h: Definitions for access to the i2c environment - * monitoring on Ultrasparc systems. - * - * Copyright (C) 1998 Eddie C. Dost (ecd@skynet.be) - * Copyright (C) 2000 Vinh Truong (vinh.truong@eng.sun.com) - * VT - Add all ioctl commands and environment status definitions - * VT - Add application note - */ -#ifndef _SPARC64_ENVCTRL_H -#define _SPARC64_ENVCTRL_H 1 - -#include <linux/ioctl.h> - -/* Application note: - * - * The driver supports 4 operations: open(), close(), ioctl(), read() - * The device name is /dev/envctrl. - * Below is sample usage: - * - * fd = open("/dev/envtrl", O_RDONLY); - * if (ioctl(fd, ENVCTRL_READ_SHUTDOWN_TEMPERATURE, 0) < 0) - * printf("error\n"); - * ret = read(fd, buf, 10); - * close(fd); - * - * Notice in the case of cpu voltage and temperature, the default is - * cpu0. If we need to know the info of cpu1, cpu2, cpu3, we need to - * pass in cpu number in ioctl() last parameter. For example, to - * get the voltage of cpu2: - * - * ioctlbuf[0] = 2; - * if (ioctl(fd, ENVCTRL_READ_CPU_VOLTAGE, ioctlbuf) < 0) - * printf("error\n"); - * ret = read(fd, buf, 10); - * - * All the return values are in ascii. So check read return value - * and do appropriate conversions in your application. - */ - -/* IOCTL commands */ - -/* Note: these commands reflect possible monitor features. - * Some boards choose to support some of the features only. - */ -#define ENVCTRL_RD_CPU_TEMPERATURE _IOR('p', 0x40, int) -#define ENVCTRL_RD_CPU_VOLTAGE _IOR('p', 0x41, int) -#define ENVCTRL_RD_FAN_STATUS _IOR('p', 0x42, int) -#define ENVCTRL_RD_WARNING_TEMPERATURE _IOR('p', 0x43, int) -#define ENVCTRL_RD_SHUTDOWN_TEMPERATURE _IOR('p', 0x44, int) -#define ENVCTRL_RD_VOLTAGE_STATUS _IOR('p', 0x45, int) -#define ENVCTRL_RD_SCSI_TEMPERATURE _IOR('p', 0x46, int) -#define ENVCTRL_RD_ETHERNET_TEMPERATURE _IOR('p', 0x47, int) -#define ENVCTRL_RD_MTHRBD_TEMPERATURE _IOR('p', 0x48, int) - -#define ENVCTRL_RD_GLOBALADDRESS _IOR('p', 0x49, int) - -/* Read return values for a voltage status request. */ -#define ENVCTRL_VOLTAGE_POWERSUPPLY_GOOD 0x01 -#define ENVCTRL_VOLTAGE_BAD 0x02 -#define ENVCTRL_POWERSUPPLY_BAD 0x03 -#define ENVCTRL_VOLTAGE_POWERSUPPLY_BAD 0x04 - -/* Read return values for a fan status request. - * A failure match means either the fan fails or - * the fan is not connected. Some boards have optional - * connectors to connect extra fans. - * - * There are maximum 8 monitor fans. Some are cpu fans - * some are system fans. The mask below only indicates - * fan by order number. - * Below is a sample application: - * - * if (ioctl(fd, ENVCTRL_READ_FAN_STATUS, 0) < 0) { - * printf("ioctl fan failed\n"); - * } - * if (read(fd, rslt, 1) <= 0) { - * printf("error or fan not monitored\n"); - * } else { - * if (rslt[0] == ENVCTRL_ALL_FANS_GOOD) { - * printf("all fans good\n"); - * } else if (rslt[0] == ENVCTRL_ALL_FANS_BAD) { - * printf("all fans bad\n"); - * } else { - * if (rslt[0] & ENVCTRL_FAN0_FAILURE_MASK) { - * printf("fan 0 failed or not connected\n"); - * } - * ...... - */ - -#define ENVCTRL_ALL_FANS_GOOD 0x00 -#define ENVCTRL_FAN0_FAILURE_MASK 0x01 -#define ENVCTRL_FAN1_FAILURE_MASK 0x02 -#define ENVCTRL_FAN2_FAILURE_MASK 0x04 -#define ENVCTRL_FAN3_FAILURE_MASK 0x08 -#define ENVCTRL_FAN4_FAILURE_MASK 0x10 -#define ENVCTRL_FAN5_FAILURE_MASK 0x20 -#define ENVCTRL_FAN6_FAILURE_MASK 0x40 -#define ENVCTRL_FAN7_FAILURE_MASK 0x80 -#define ENVCTRL_ALL_FANS_BAD 0xFF - -#endif /* !(_SPARC64_ENVCTRL_H) */ diff --git a/arch/sparc/include/asm/errno.h b/arch/sparc/include/asm/errno.h deleted file mode 100644 index a9ef172977d..00000000000 --- a/arch/sparc/include/asm/errno.h +++ /dev/null @@ -1,113 +0,0 @@ -#ifndef _SPARC_ERRNO_H -#define _SPARC_ERRNO_H - -/* These match the SunOS error numbering scheme. */ - -#include <asm-generic/errno-base.h> - -#define EWOULDBLOCK EAGAIN /* Operation would block */ -#define EINPROGRESS 36 /* Operation now in progress */ -#define EALREADY 37 /* Operation already in progress */ -#define ENOTSOCK 38 /* Socket operation on non-socket */ -#define EDESTADDRREQ 39 /* Destination address required */ -#define EMSGSIZE 40 /* Message too long */ -#define EPROTOTYPE 41 /* Protocol wrong type for socket */ -#define ENOPROTOOPT 42 /* Protocol not available */ -#define EPROTONOSUPPORT 43 /* Protocol not supported */ -#define ESOCKTNOSUPPORT 44 /* Socket type not supported */ -#define EOPNOTSUPP 45 /* Op not supported on transport endpoint */ -#define EPFNOSUPPORT 46 /* Protocol family not supported */ -#define EAFNOSUPPORT 47 /* Address family not supported by protocol */ -#define EADDRINUSE 48 /* Address already in use */ -#define EADDRNOTAVAIL 49 /* Cannot assign requested address */ -#define ENETDOWN 50 /* Network is down */ -#define ENETUNREACH 51 /* Network is unreachable */ -#define ENETRESET 52 /* Net dropped connection because of reset */ -#define ECONNABORTED 53 /* Software caused connection abort */ -#define ECONNRESET 54 /* Connection reset by peer */ -#define ENOBUFS 55 /* No buffer space available */ -#define EISCONN 56 /* Transport endpoint is already connected */ -#define ENOTCONN 57 /* Transport endpoint is not connected */ -#define ESHUTDOWN 58 /* No send after transport endpoint shutdown */ -#define ETOOMANYREFS 59 /* Too many references: cannot splice */ -#define ETIMEDOUT 60 /* Connection timed out */ -#define ECONNREFUSED 61 /* Connection refused */ -#define ELOOP 62 /* Too many symbolic links encountered */ -#define ENAMETOOLONG 63 /* File name too long */ -#define EHOSTDOWN 64 /* Host is down */ -#define EHOSTUNREACH 65 /* No route to host */ -#define ENOTEMPTY 66 /* Directory not empty */ -#define EPROCLIM 67 /* SUNOS: Too many processes */ -#define EUSERS 68 /* Too many users */ -#define EDQUOT 69 /* Quota exceeded */ -#define ESTALE 70 /* Stale NFS file handle */ -#define EREMOTE 71 /* Object is remote */ -#define ENOSTR 72 /* Device not a stream */ -#define ETIME 73 /* Timer expired */ -#define ENOSR 74 /* Out of streams resources */ -#define ENOMSG 75 /* No message of desired type */ -#define EBADMSG 76 /* Not a data message */ -#define EIDRM 77 /* Identifier removed */ -#define EDEADLK 78 /* Resource deadlock would occur */ -#define ENOLCK 79 /* No record locks available */ -#define ENONET 80 /* Machine is not on the network */ -#define ERREMOTE 81 /* SunOS: Too many lvls of remote in path */ -#define ENOLINK 82 /* Link has been severed */ -#define EADV 83 /* Advertise error */ -#define ESRMNT 84 /* Srmount error */ -#define ECOMM 85 /* Communication error on send */ -#define EPROTO 86 /* Protocol error */ -#define EMULTIHOP 87 /* Multihop attempted */ -#define EDOTDOT 88 /* RFS specific error */ -#define EREMCHG 89 /* Remote address changed */ -#define ENOSYS 90 /* Function not implemented */ - -/* The rest have no SunOS equivalent. */ -#define ESTRPIPE 91 /* Streams pipe error */ -#define EOVERFLOW 92 /* Value too large for defined data type */ -#define EBADFD 93 /* File descriptor in bad state */ -#define ECHRNG 94 /* Channel number out of range */ -#define EL2NSYNC 95 /* Level 2 not synchronized */ -#define EL3HLT 96 /* Level 3 halted */ -#define EL3RST 97 /* Level 3 reset */ -#define ELNRNG 98 /* Link number out of range */ -#define EUNATCH 99 /* Protocol driver not attached */ -#define ENOCSI 100 /* No CSI structure available */ -#define EL2HLT 101 /* Level 2 halted */ -#define EBADE 102 /* Invalid exchange */ -#define EBADR 103 /* Invalid request descriptor */ -#define EXFULL 104 /* Exchange full */ -#define ENOANO 105 /* No anode */ -#define EBADRQC 106 /* Invalid request code */ -#define EBADSLT 107 /* Invalid slot */ -#define EDEADLOCK 108 /* File locking deadlock error */ -#define EBFONT 109 /* Bad font file format */ -#define ELIBEXEC 110 /* Cannot exec a shared library directly */ -#define ENODATA 111 /* No data available */ -#define ELIBBAD 112 /* Accessing a corrupted shared library */ -#define ENOPKG 113 /* Package not installed */ -#define ELIBACC 114 /* Can not access a needed shared library */ -#define ENOTUNIQ 115 /* Name not unique on network */ -#define ERESTART 116 /* Interrupted syscall should be restarted */ -#define EUCLEAN 117 /* Structure needs cleaning */ -#define ENOTNAM 118 /* Not a XENIX named type file */ -#define ENAVAIL 119 /* No XENIX semaphores available */ -#define EISNAM 120 /* Is a named type file */ -#define EREMOTEIO 121 /* Remote I/O error */ -#define EILSEQ 122 /* Illegal byte sequence */ -#define ELIBMAX 123 /* Atmpt to link in too many shared libs */ -#define ELIBSCN 124 /* .lib section in a.out corrupted */ - -#define ENOMEDIUM 125 /* No medium found */ -#define EMEDIUMTYPE 126 /* Wrong medium type */ -#define ECANCELED 127 /* Operation Cancelled */ -#define ENOKEY 128 /* Required key not available */ -#define EKEYEXPIRED 129 /* Key has expired */ -#define EKEYREVOKED 130 /* Key has been revoked */ -#define EKEYREJECTED 131 /* Key was rejected by service */ - -/* for robust mutexes */ -#define EOWNERDEAD 132 /* Owner died */ -#define ENOTRECOVERABLE 133 /* State not recoverable */ - -#endif diff --git a/arch/sparc/include/asm/fb.h b/arch/sparc/include/asm/fb.h index b83e4472965..2173432ad7f 100644 --- a/arch/sparc/include/asm/fb.h +++ b/arch/sparc/include/asm/fb.h @@ -1,5 +1,6 @@ #ifndef _SPARC_FB_H_ #define _SPARC_FB_H_ +#include <linux/console.h> #include <linux/fb.h> #include <linux/fs.h> #include <asm/page.h> @@ -18,7 +19,10 @@ static inline int fb_is_primary_device(struct fb_info *info) struct device *dev = info->device; struct device_node *node; - node = dev->archdata.prom_node; + if (console_set_on_cmdline) + return 0; + + node = dev->of_node; if (node && node == of_console_device) return 1; diff --git a/arch/sparc/include/asm/fbio.h b/arch/sparc/include/asm/fbio.h index b9215a0907d..1d9afe277e9 100644 --- a/arch/sparc/include/asm/fbio.h +++ b/arch/sparc/include/asm/fbio.h @@ -1,225 +1,10 @@ #ifndef __LINUX_FBIO_H #define __LINUX_FBIO_H -#include <linux/compiler.h> -#include <linux/types.h> +#include <uapi/asm/fbio.h> -/* Constants used for fbio SunOS compatibility */ -/* (C) 1996 Miguel de Icaza */ - -/* Frame buffer types */ -#define FBTYPE_NOTYPE -1 -#define FBTYPE_SUN1BW 0 /* mono */ -#define FBTYPE_SUN1COLOR 1 -#define FBTYPE_SUN2BW 2 -#define FBTYPE_SUN2COLOR 3 -#define FBTYPE_SUN2GP 4 -#define FBTYPE_SUN5COLOR 5 -#define FBTYPE_SUN3COLOR 6 -#define FBTYPE_MEMCOLOR 7 -#define FBTYPE_SUN4COLOR 8 - -#define FBTYPE_NOTSUN1 9 -#define FBTYPE_NOTSUN2 10 -#define FBTYPE_NOTSUN3 11 - -#define FBTYPE_SUNFAST_COLOR 12 /* cg6 */ -#define FBTYPE_SUNROP_COLOR 13 -#define FBTYPE_SUNFB_VIDEO 14 -#define FBTYPE_SUNGIFB 15 -#define FBTYPE_SUNGPLAS 16 -#define FBTYPE_SUNGP3 17 -#define FBTYPE_SUNGT 18 -#define FBTYPE_SUNLEO 19 /* zx Leo card */ -#define FBTYPE_MDICOLOR 20 /* cg14 */ -#define FBTYPE_TCXCOLOR 21 /* SUNW,tcx card */ - -#define FBTYPE_LASTPLUSONE 21 /* This is not last + 1 in fact... */ - -/* Does not seem to be listed in the Sun file either */ -#define FBTYPE_CREATOR 22 -#define FBTYPE_PCI_IGA1682 23 -#define FBTYPE_P9100COLOR 24 - -#define FBTYPE_PCI_GENERIC 1000 -#define FBTYPE_PCI_MACH64 1001 - -/* fbio ioctls */ -/* Returned by FBIOGTYPE */ -struct fbtype { - int fb_type; /* fb type, see above */ - int fb_height; /* pixels */ - int fb_width; /* pixels */ - int fb_depth; - int fb_cmsize; /* color map entries */ - int fb_size; /* fb size in bytes */ -}; -#define FBIOGTYPE _IOR('F', 0, struct fbtype) - -struct fbcmap { - int index; /* first element (0 origin) */ - int count; - unsigned char __user *red; - unsigned char __user *green; - unsigned char __user *blue; -}; - -#ifdef __KERNEL__ #define FBIOPUTCMAP_SPARC _IOW('F', 3, struct fbcmap) #define FBIOGETCMAP_SPARC _IOW('F', 4, struct fbcmap) -#else -#define FBIOPUTCMAP _IOW('F', 3, struct fbcmap) -#define FBIOGETCMAP _IOW('F', 4, struct fbcmap) -#endif - -/* # of device specific values */ -#define FB_ATTR_NDEVSPECIFIC 8 -/* # of possible emulations */ -#define FB_ATTR_NEMUTYPES 4 - -struct fbsattr { - int flags; - int emu_type; /* -1 if none */ - int dev_specific[FB_ATTR_NDEVSPECIFIC]; -}; - -struct fbgattr { - int real_type; /* real frame buffer type */ - int owner; /* unknown */ - struct fbtype fbtype; /* real frame buffer fbtype */ - struct fbsattr sattr; - int emu_types[FB_ATTR_NEMUTYPES]; /* supported emulations */ -}; -#define FBIOSATTR _IOW('F', 5, struct fbgattr) /* Unsupported: */ -#define FBIOGATTR _IOR('F', 6, struct fbgattr) /* supported */ - -#define FBIOSVIDEO _IOW('F', 7, int) -#define FBIOGVIDEO _IOR('F', 8, int) - -struct fbcursor { - short set; /* what to set, choose from the list above */ - short enable; /* cursor on/off */ - struct fbcurpos pos; /* cursor position */ - struct fbcurpos hot; /* cursor hot spot */ - struct fbcmap cmap; /* color map info */ - struct fbcurpos size; /* cursor bit map size */ - char __user *image; /* cursor image bits */ - char __user *mask; /* cursor mask bits */ -}; - -/* set/get cursor attributes/shape */ -#define FBIOSCURSOR _IOW('F', 24, struct fbcursor) -#define FBIOGCURSOR _IOWR('F', 25, struct fbcursor) - -/* set/get cursor position */ -#define FBIOSCURPOS _IOW('F', 26, struct fbcurpos) -#define FBIOGCURPOS _IOW('F', 27, struct fbcurpos) - -/* get max cursor size */ -#define FBIOGCURMAX _IOR('F', 28, struct fbcurpos) - -/* wid manipulation */ -struct fb_wid_alloc { -#define FB_WID_SHARED_8 0 -#define FB_WID_SHARED_24 1 -#define FB_WID_DBL_8 2 -#define FB_WID_DBL_24 3 - __u32 wa_type; - __s32 wa_index; /* Set on return */ - __u32 wa_count; -}; -struct fb_wid_item { - __u32 wi_type; - __s32 wi_index; - __u32 wi_attrs; - __u32 wi_values[32]; -}; -struct fb_wid_list { - __u32 wl_flags; - __u32 wl_count; - struct fb_wid_item *wl_list; -}; - -#define FBIO_WID_ALLOC _IOWR('F', 30, struct fb_wid_alloc) -#define FBIO_WID_FREE _IOW('F', 31, struct fb_wid_alloc) -#define FBIO_WID_PUT _IOW('F', 32, struct fb_wid_list) -#define FBIO_WID_GET _IOWR('F', 33, struct fb_wid_list) - -/* Creator ioctls */ -#define FFB_IOCTL ('F'<<8) -#define FFB_SYS_INFO (FFB_IOCTL|80) -#define FFB_CLUTREAD (FFB_IOCTL|81) -#define FFB_CLUTPOST (FFB_IOCTL|82) -#define FFB_SETDIAGMODE (FFB_IOCTL|83) -#define FFB_GETMONITORID (FFB_IOCTL|84) -#define FFB_GETVIDEOMODE (FFB_IOCTL|85) -#define FFB_SETVIDEOMODE (FFB_IOCTL|86) -#define FFB_SETSERVER (FFB_IOCTL|87) -#define FFB_SETOVCTL (FFB_IOCTL|88) -#define FFB_GETOVCTL (FFB_IOCTL|89) -#define FFB_GETSAXNUM (FFB_IOCTL|90) -#define FFB_FBDEBUG (FFB_IOCTL|91) - -/* Cg14 ioctls */ -#define MDI_IOCTL ('M'<<8) -#define MDI_RESET (MDI_IOCTL|1) -#define MDI_GET_CFGINFO (MDI_IOCTL|2) -#define MDI_SET_PIXELMODE (MDI_IOCTL|3) -# define MDI_32_PIX 32 -# define MDI_16_PIX 16 -# define MDI_8_PIX 8 - -struct mdi_cfginfo { - int mdi_ncluts; /* Number of implemented CLUTs in this MDI */ - int mdi_type; /* FBTYPE name */ - int mdi_height; /* height */ - int mdi_width; /* widht */ - int mdi_size; /* available ram */ - int mdi_mode; /* 8bpp, 16bpp or 32bpp */ - int mdi_pixfreq; /* pixel clock (from PROM) */ -}; - -/* SparcLinux specific ioctl for the MDI, should be replaced for - * the SET_XLUT/SET_CLUTn ioctls instead - */ -#define MDI_CLEAR_XLUT (MDI_IOCTL|9) - -/* leo & ffb ioctls */ -struct fb_clut_alloc { - __u32 clutid; /* Set on return */ - __u32 flag; - __u32 index; -}; - -struct fb_clut { -#define FB_CLUT_WAIT 0x00000001 /* Not yet implemented */ - __u32 flag; - __u32 clutid; - __u32 offset; - __u32 count; - char * red; - char * green; - char * blue; -}; - -struct fb_clut32 { - __u32 flag; - __u32 clutid; - __u32 offset; - __u32 count; - __u32 red; - __u32 green; - __u32 blue; -}; - -#define LEO_CLUTALLOC _IOWR('L', 53, struct fb_clut_alloc) -#define LEO_CLUTFREE _IOW('L', 54, struct fb_clut_alloc) -#define LEO_CLUTREAD _IOW('L', 55, struct fb_clut) -#define LEO_CLUTPOST _IOW('L', 56, struct fb_clut) -#define LEO_SETGAMMA _IOW('L', 68, int) /* Not yet implemented */ -#define LEO_GETGAMMA _IOR('L', 69, int) /* Not yet implemented */ - -#ifdef __KERNEL__ /* Addresses on the fd of a cgsix that are mappable */ #define CG6_FBC 0x70000000 #define CG6_TEC 0x70001000 @@ -260,47 +45,6 @@ struct fb_clut32 { #define CG14_CLUT3 0x6000 /* Color Look Up Table */ #define CG14_AUTO 0xf000 -#endif /* KERNEL */ - -/* These are exported to userland for applications to use */ -/* Mappable offsets for the cg14: control registers */ -#define MDI_DIRECT_MAP 0x10000000 -#define MDI_CTLREG_MAP 0x20000000 -#define MDI_CURSOR_MAP 0x30000000 -#define MDI_SHDW_VRT_MAP 0x40000000 - -/* Mappable offsets for the cg14: frame buffer resolutions */ -/* 32 bits */ -#define MDI_CHUNKY_XBGR_MAP 0x50000000 -#define MDI_CHUNKY_BGR_MAP 0x60000000 - -/* 16 bits */ -#define MDI_PLANAR_X16_MAP 0x70000000 -#define MDI_PLANAR_C16_MAP 0x80000000 - -/* 8 bit is done as CG3 MMAP offset */ -/* 32 bits, planar */ -#define MDI_PLANAR_X32_MAP 0x90000000 -#define MDI_PLANAR_B32_MAP 0xa0000000 -#define MDI_PLANAR_G32_MAP 0xb0000000 -#define MDI_PLANAR_R32_MAP 0xc0000000 - -/* Mappable offsets on leo */ -#define LEO_SS0_MAP 0x00000000 -#define LEO_LC_SS0_USR_MAP 0x00800000 -#define LEO_LD_SS0_MAP 0x00801000 -#define LEO_LX_CURSOR_MAP 0x00802000 -#define LEO_SS1_MAP 0x00803000 -#define LEO_LC_SS1_USR_MAP 0x01003000 -#define LEO_LD_SS1_MAP 0x01004000 -#define LEO_UNK_MAP 0x01005000 -#define LEO_LX_KRN_MAP 0x01006000 -#define LEO_LC_SS0_KRN_MAP 0x01007000 -#define LEO_LC_SS1_KRN_MAP 0x01008000 -#define LEO_LD_GBL_MAP 0x01009000 -#define LEO_UNK2_MAP 0x0100a000 - -#ifdef __KERNEL__ struct fbcmap32 { int index; /* first element (0 origin) */ int count; @@ -325,6 +69,4 @@ struct fbcursor32 { #define FBIOSCURSOR32 _IOW('F', 24, struct fbcursor32) #define FBIOGCURSOR32 _IOW('F', 25, struct fbcursor32) -#endif - #endif /* __LINUX_FBIO_H */ diff --git a/arch/sparc/include/asm/fcntl.h b/arch/sparc/include/asm/fcntl.h deleted file mode 100644 index d4d9c9d852c..00000000000 --- a/arch/sparc/include/asm/fcntl.h +++ /dev/null @@ -1,40 +0,0 @@ -#ifndef _SPARC_FCNTL_H -#define _SPARC_FCNTL_H - -/* open/fcntl - O_SYNC is only implemented on blocks devices and on files - located on an ext2 file system */ -#define O_APPEND 0x0008 -#define FASYNC 0x0040 /* fcntl, for BSD compatibility */ -#define O_CREAT 0x0200 /* not fcntl */ -#define O_TRUNC 0x0400 /* not fcntl */ -#define O_EXCL 0x0800 /* not fcntl */ -#define O_SYNC 0x2000 -#define O_NONBLOCK 0x4000 -#if defined(__sparc__) && defined(__arch64__) -#define O_NDELAY 0x0004 -#else -#define O_NDELAY (0x0004 | O_NONBLOCK) -#endif -#define O_NOCTTY 0x8000 /* not fcntl */ -#define O_LARGEFILE 0x40000 -#define O_DIRECT 0x100000 /* direct disk access hint */ -#define O_NOATIME 0x200000 -#define O_CLOEXEC 0x400000 - -#define F_GETOWN 5 /* for sockets. */ -#define F_SETOWN 6 /* for sockets. */ -#define F_GETLK 7 -#define F_SETLK 8 -#define F_SETLKW 9 - -/* for posix fcntl() and lockf() */ -#define F_RDLCK 1 -#define F_WRLCK 2 -#define F_UNLCK 3 - -#define __ARCH_FLOCK_PAD short __unused; -#define __ARCH_FLOCK64_PAD short __unused; - -#include <asm-generic/fcntl.h> - -#endif diff --git a/arch/sparc/include/asm/fhc.h b/arch/sparc/include/asm/fhc.h index 788cbc46a11..57f1b303ad5 100644 --- a/arch/sparc/include/asm/fhc.h +++ b/arch/sparc/include/asm/fhc.h @@ -1,5 +1,4 @@ -/* - * fhc.h: Structures for central/fhc pseudo driver on Sunfire/Starfire/Wildfire. +/* fhc.h: FHC and Clock board register definitions. * * Copyright (C) 1997, 1999 David S. Miller (davem@redhat.com) */ @@ -7,14 +6,6 @@ #ifndef _SPARC64_FHC_H #define _SPARC64_FHC_H -#include <linux/timer.h> - -#include <asm/oplib.h> -#include <asm/prom.h> -#include <asm/upa.h> - -struct linux_fhc; - /* Clock board register offsets. */ #define CLOCK_CTRL 0x00UL /* Main control */ #define CLOCK_STAT1 0x10UL /* Status one */ @@ -29,21 +20,7 @@ struct linux_fhc; #define CLOCK_CTRL_MLED 0x02 /* Mid LED, 1 == on */ #define CLOCK_CTRL_RLED 0x01 /* RIght LED, 1 == on */ -struct linux_central { - struct linux_fhc *child; - unsigned long cfreg; - unsigned long clkregs; - unsigned long clkver; - int slots; - struct device_node *prom_node; - - struct linux_prom_ranges central_ranges[PROMREG_MAX]; - int num_central_ranges; -}; - /* Firehose controller register offsets */ -struct fhc_regs { - unsigned long pregs; /* FHC internal regs */ #define FHC_PREGS_ID 0x00UL /* FHC ID */ #define FHC_ID_VERS 0xf0000000 /* Version of this FHC */ #define FHC_ID_PARTID 0x0ffff000 /* Part ID code (0x0f9f == FHC) */ @@ -90,32 +67,14 @@ struct fhc_regs { #define FHC_JTAG_CTRL_MENAB 0x80000000 /* Indicates this is JTAG Master */ #define FHC_JTAG_CTRL_MNONE 0x40000000 /* Indicates no JTAG Master present */ #define FHC_PREGS_JCMD 0x100UL /* FHC JTAG Command Register */ - unsigned long ireg; /* FHC IGN reg */ #define FHC_IREG_IGN 0x00UL /* This FHC's IGN */ - unsigned long ffregs; /* FHC fanfail regs */ #define FHC_FFREGS_IMAP 0x00UL /* FHC Fanfail IMAP */ #define FHC_FFREGS_ICLR 0x10UL /* FHC Fanfail ICLR */ - unsigned long sregs; /* FHC system regs */ #define FHC_SREGS_IMAP 0x00UL /* FHC System IMAP */ #define FHC_SREGS_ICLR 0x10UL /* FHC System ICLR */ - unsigned long uregs; /* FHC uart regs */ #define FHC_UREGS_IMAP 0x00UL /* FHC Uart IMAP */ #define FHC_UREGS_ICLR 0x10UL /* FHC Uart ICLR */ - unsigned long tregs; /* FHC TOD regs */ #define FHC_TREGS_IMAP 0x00UL /* FHC TOD IMAP */ #define FHC_TREGS_ICLR 0x10UL /* FHC TOD ICLR */ -}; - -struct linux_fhc { - struct linux_fhc *next; - struct linux_central *parent; /* NULL if not central FHC */ - struct fhc_regs fhc_regs; - int board; - int jtag_master; - struct device_node *prom_node; - - struct linux_prom_ranges fhc_ranges[PROMREG_MAX]; - int num_fhc_ranges; -}; #endif /* !(_SPARC64_FHC_H) */ diff --git a/arch/sparc/include/asm/fixmap.h b/arch/sparc/include/asm/fixmap.h deleted file mode 100644 index f18fc0755ad..00000000000 --- a/arch/sparc/include/asm/fixmap.h +++ /dev/null @@ -1,110 +0,0 @@ -/* - * fixmap.h: compile-time virtual memory allocation - * - * This file is subject to the terms and conditions of the GNU General Public - * License. See the file "COPYING" in the main directory of this archive - * for more details. - * - * Copyright (C) 1998 Ingo Molnar - * - * Support of BIGMEM added by Gerhard Wichert, Siemens AG, July 1999 - */ - -#ifndef _ASM_FIXMAP_H -#define _ASM_FIXMAP_H - -#include <linux/kernel.h> -#include <asm/page.h> -#ifdef CONFIG_HIGHMEM -#include <linux/threads.h> -#include <asm/kmap_types.h> -#endif - -/* - * Here we define all the compile-time 'special' virtual - * addresses. The point is to have a constant address at - * compile time, but to set the physical address only - * in the boot process. We allocate these special addresses - * from the top of unused virtual memory (0xfd000000 - 1 page) backwards. - * Also this lets us do fail-safe vmalloc(), we - * can guarantee that these special addresses and - * vmalloc()-ed addresses never overlap. - * - * these 'compile-time allocated' memory buffers are - * fixed-size 4k pages. (or larger if used with an increment - * highger than 1) use fixmap_set(idx,phys) to associate - * physical memory with fixmap indices. - * - * TLB entries of such buffers will not be flushed across - * task switches. - */ - -/* - * on UP currently we will have no trace of the fixmap mechanism, - * no page table allocations, etc. This might change in the - * future, say framebuffers for the console driver(s) could be - * fix-mapped? - */ -enum fixed_addresses { - FIX_HOLE, -#ifdef CONFIG_HIGHMEM - FIX_KMAP_BEGIN, - FIX_KMAP_END = FIX_KMAP_BEGIN+(KM_TYPE_NR*NR_CPUS)-1, -#endif - __end_of_fixed_addresses -}; - -extern void __set_fixmap (enum fixed_addresses idx, - unsigned long phys, pgprot_t flags); - -#define set_fixmap(idx, phys) \ - __set_fixmap(idx, phys, PAGE_KERNEL) -/* - * Some hardware wants to get fixmapped without caching. - */ -#define set_fixmap_nocache(idx, phys) \ - __set_fixmap(idx, phys, PAGE_KERNEL_NOCACHE) -/* - * used by vmalloc.c. - * - * Leave one empty page between IO pages at 0xfd000000 and - * the start of the fixmap. - */ -#define FIXADDR_TOP (0xfcfff000UL) -#define FIXADDR_SIZE ((__end_of_fixed_addresses) << PAGE_SHIFT) -#define FIXADDR_START (FIXADDR_TOP - FIXADDR_SIZE) - -#define __fix_to_virt(x) (FIXADDR_TOP - ((x) << PAGE_SHIFT)) -#define __virt_to_fix(x) ((FIXADDR_TOP - ((x)&PAGE_MASK)) >> PAGE_SHIFT) - -extern void __this_fixmap_does_not_exist(void); - -/* - * 'index to address' translation. If anyone tries to use the idx - * directly without tranlation, we catch the bug with a NULL-deference - * kernel oops. Illegal ranges of incoming indices are caught too. - */ -static inline unsigned long fix_to_virt(const unsigned int idx) -{ - /* - * this branch gets completely eliminated after inlining, - * except when someone tries to use fixaddr indices in an - * illegal way. (such as mixing up address types or using - * out-of-range indices). - * - * If it doesn't get removed, the linker will complain - * loudly with a reasonably clear error message.. - */ - if (idx >= __end_of_fixed_addresses) - __this_fixmap_does_not_exist(); - - return __fix_to_virt(idx); -} - -static inline unsigned long virt_to_fix(const unsigned long vaddr) -{ - BUG_ON(vaddr >= FIXADDR_TOP || vaddr < FIXADDR_START); - return __virt_to_fix(vaddr); -} - -#endif diff --git a/arch/sparc/include/asm/floppy_32.h b/arch/sparc/include/asm/floppy_32.h index ae3f00bf22f..071b83e52f1 100644 --- a/arch/sparc/include/asm/floppy_32.h +++ b/arch/sparc/include/asm/floppy_32.h @@ -6,13 +6,15 @@ #ifndef __ASM_SPARC_FLOPPY_H #define __ASM_SPARC_FLOPPY_H -#include <asm/page.h> +#include <linux/of.h> +#include <linux/of_device.h> + #include <asm/pgtable.h> -#include <asm/system.h> #include <asm/idprom.h> -#include <asm/machines.h> #include <asm/oplib.h> #include <asm/auxio.h> +#include <asm/setup.h> +#include <asm/page.h> #include <asm/irq.h> /* We don't need no stinkin' I/O port allocation crap. */ @@ -48,7 +50,6 @@ struct sun_flpy_controller { /* You'll only ever find one controller on a SparcStation anyways. */ static struct sun_flpy_controller *sun_fdc = NULL; -extern volatile unsigned char *fdc_status; struct sun_floppy_ops { unsigned char (*fd_inb)(int port); @@ -101,25 +102,13 @@ static struct sun_floppy_ops sun_fdops; /* Routines unique to each controller type on a Sun. */ static void sun_set_dor(unsigned char value, int fdc_82077) { - if (sparc_cpu_model == sun4c) { - unsigned int bits = 0; - if (value & 0x10) - bits |= AUXIO_FLPY_DSEL; - if ((value & 0x80) == 0) - bits |= AUXIO_FLPY_EJCT; - set_auxio(bits, (~bits) & (AUXIO_FLPY_DSEL|AUXIO_FLPY_EJCT)); - } - if (fdc_82077) { + if (fdc_82077) sun_fdc->dor_82077 = value; - } } static unsigned char sun_read_dir(void) { - if (sparc_cpu_model == sun4c) - return (get_auxio() & AUXIO_FLPY_DCHG) ? 0x80 : 0; - else - return sun_fdc->dir_82077; + return sun_fdc->dir_82077; } static unsigned char sun_82072_fd_inb(int port) @@ -135,7 +124,7 @@ static unsigned char sun_82072_fd_inb(int port) return sun_fdc->data_82072; case 7: /* FD_DIR */ return sun_read_dir(); - }; + } panic("sun_82072_fd_inb: How did I get here?"); } @@ -158,7 +147,7 @@ static void sun_82072_fd_outb(unsigned char value, int port) case 4: /* FD_STATUS */ sun_fdc->status_82072 = value; break; - }; + } return; } @@ -183,7 +172,7 @@ static unsigned char sun_82077_fd_inb(int port) return sun_fdc->data_82077; case 7: /* FD_DIR */ return sun_read_dir(); - }; + } panic("sun_82077_fd_inb: How did I get here?"); } @@ -209,7 +198,7 @@ static void sun_82077_fd_outb(unsigned char value, int port) case 3: /* FD_TDR */ sun_fdc->tapectl_82077 = value; break; - }; + } return; } @@ -223,13 +212,6 @@ static void sun_82077_fd_outb(unsigned char value, int port) * underruns. If non-zero, doing_pdma encodes the direction of * the transfer for debugging. 1=read 2=write */ -extern char *pdma_vaddr; -extern unsigned long pdma_size; -extern volatile int doing_pdma; - -/* This is software state */ -extern char *pdma_base; -extern unsigned long pdma_areasize; /* Common routines to all controller types on the Sparc. */ static inline void virtual_dma_init(void) @@ -240,10 +222,7 @@ static inline void virtual_dma_init(void) static inline void sun_fd_disable_dma(void) { doing_pdma = 0; - if (pdma_base) { - mmu_unlockarea(pdma_base, pdma_areasize); - pdma_base = NULL; - } + pdma_base = NULL; } static inline void sun_fd_set_dma_mode(int mode) @@ -273,65 +252,60 @@ static inline void sun_fd_set_dma_count(int length) static inline void sun_fd_enable_dma(void) { - pdma_vaddr = mmu_lockarea(pdma_vaddr, pdma_size); pdma_base = pdma_vaddr; pdma_areasize = pdma_size; } -/* Our low-level entry point in arch/sparc/kernel/entry.S */ -extern int sparc_floppy_request_irq(int irq, unsigned long flags, - irq_handler_t irq_handler); +int sparc_floppy_request_irq(unsigned int irq, irq_handler_t irq_handler); static int sun_fd_request_irq(void) { static int once = 0; - int error; - if(!once) { + if (!once) { once = 1; - error = sparc_floppy_request_irq(FLOPPY_IRQ, - IRQF_DISABLED, - floppy_interrupt); - return ((error == 0) ? 0 : -1); - } else return 0; + return sparc_floppy_request_irq(FLOPPY_IRQ, floppy_interrupt); + } else { + return 0; + } } static struct linux_prom_registers fd_regs[2]; static int sun_floppy_init(void) { - char state[128]; - int tnode, fd_node, num_regs; + struct platform_device *op; + struct device_node *dp; struct resource r; + char state[128]; + phandle fd_node; + phandle tnode; + int num_regs; use_virtual_dma = 1; - FLOPPY_IRQ = 11; /* Forget it if we aren't on a machine that could possibly * ever have a floppy drive. */ - if((sparc_cpu_model != sun4c && sparc_cpu_model != sun4m) || - ((idprom->id_machtype == (SM_SUN4C | SM_4C_SLC)) || - (idprom->id_machtype == (SM_SUN4C | SM_4C_ELC)))) { + if (sparc_cpu_model != sun4m) { /* We certainly don't have a floppy controller. */ goto no_sun_fdc; } /* Well, try to find one. */ tnode = prom_getchild(prom_root_node); fd_node = prom_searchsiblings(tnode, "obio"); - if(fd_node != 0) { + if (fd_node != 0) { tnode = prom_getchild(fd_node); fd_node = prom_searchsiblings(tnode, "SUNW,fdtwo"); } else { fd_node = prom_searchsiblings(tnode, "fd"); } - if(fd_node == 0) { + if (fd_node == 0) { goto no_sun_fdc; } /* The sun4m lets us know if the controller is actually usable. */ - if(sparc_cpu_model == sun4m && - prom_getproperty(fd_node, "status", state, sizeof(state)) != -1) { + if (prom_getproperty(fd_node, "status", state, sizeof(state)) != -1) { if(!strcmp(state, "disabled")) { goto no_sun_fdc; } @@ -342,11 +316,31 @@ static int sun_floppy_init(void) memset(&r, 0, sizeof(r)); r.flags = fd_regs[0].which_io; r.start = fd_regs[0].phys_addr; - sun_fdc = (struct sun_flpy_controller *) - sbus_ioremap(&r, 0, fd_regs[0].reg_size, "floppy"); + sun_fdc = of_ioremap(&r, 0, fd_regs[0].reg_size, "floppy"); + + /* Look up irq in platform_device. + * We try "SUNW,fdtwo" and "fd" + */ + op = NULL; + for_each_node_by_name(dp, "SUNW,fdtwo") { + op = of_find_device_by_node(dp); + if (op) + break; + } + if (!op) { + for_each_node_by_name(dp, "fd") { + op = of_find_device_by_node(dp); + if (op) + break; + } + } + if (!op) + goto no_sun_fdc; + + FLOPPY_IRQ = op->archdata.irqs[0]; /* Last minute sanity check... */ - if(sun_fdc->status_82072 == 0xff) { + if (sun_fdc->status_82072 == 0xff) { sun_fdc = NULL; goto no_sun_fdc; } @@ -385,4 +379,15 @@ static int sparc_eject(void) #define EXTRA_FLOPPY_PARAMS +static DEFINE_SPINLOCK(dma_spin_lock); + +#define claim_dma_lock() \ +({ unsigned long flags; \ + spin_lock_irqsave(&dma_spin_lock, flags); \ + flags; \ +}) + +#define release_dma_lock(__flags) \ + spin_unlock_irqrestore(&dma_spin_lock, __flags); + #endif /* !(__ASM_SPARC_FLOPPY_H) */ diff --git a/arch/sparc/include/asm/floppy_64.h b/arch/sparc/include/asm/floppy_64.h index c39db1060bc..625756406a7 100644 --- a/arch/sparc/include/asm/floppy_64.h +++ b/arch/sparc/include/asm/floppy_64.h @@ -1,6 +1,6 @@ /* floppy.h: Sparc specific parts of the Floppy driver. * - * Copyright (C) 1996, 2007 David S. Miller (davem@davemloft.net) + * Copyright (C) 1996, 2007, 2008 David S. Miller (davem@davemloft.net) * Copyright (C) 1997 Jakub Jelinek (jj@sunsite.mff.cuni.cz) * * Ultra/PCI support added: Sep 1997 Eddie C. Dost (ecd@skynet.be) @@ -9,18 +9,11 @@ #ifndef __ASM_SPARC64_FLOPPY_H #define __ASM_SPARC64_FLOPPY_H -#include <linux/init.h> -#include <linux/pci.h> +#include <linux/of.h> +#include <linux/of_device.h> +#include <linux/dma-mapping.h> -#include <asm/page.h> -#include <asm/pgtable.h> -#include <asm/system.h> -#include <asm/idprom.h> -#include <asm/oplib.h> #include <asm/auxio.h> -#include <asm/sbus.h> -#include <asm/irq.h> - /* * Define this to enable exchanging drive 0 and 1 if only drive 1 is @@ -50,7 +43,7 @@ struct sun_flpy_controller { /* You'll only ever find one controller on an Ultra anyways. */ static struct sun_flpy_controller *sun_fdc = (struct sun_flpy_controller *)-1; unsigned long fdc_status; -static struct sbus_dev *floppy_sdev = NULL; +static struct platform_device *floppy_op = NULL; struct sun_floppy_ops { unsigned char (*fd_inb) (unsigned long port); @@ -118,7 +111,7 @@ static unsigned char sun_82077_fd_inb(unsigned long port) case 7: /* FD_DIR */ /* XXX: Is DCL on 0x80 in sun4m? */ return sbus_readb(&sun_fdc->dir_82077); - }; + } panic("sun_82072_fd_inb: How did I get here?"); } @@ -142,7 +135,7 @@ static void sun_82077_fd_outb(unsigned char value, unsigned long port) case 4: /* FD_STATUS */ sbus_writeb(value, &sun_fdc->status_82077); break; - }; + } return; } @@ -168,10 +161,7 @@ unsigned long pdma_areasize; static void sun_fd_disable_dma(void) { doing_pdma = 0; - if (pdma_base) { - mmu_unlockarea(pdma_base, pdma_areasize); - pdma_base = NULL; - } + pdma_base = NULL; } static void sun_fd_set_dma_mode(int mode) @@ -201,7 +191,6 @@ static void sun_fd_set_dma_count(int length) static void sun_fd_enable_dma(void) { - pdma_vaddr = mmu_lockarea(pdma_vaddr, pdma_size); pdma_base = pdma_vaddr; pdma_areasize = pdma_size; } @@ -265,7 +254,7 @@ static int sun_fd_request_irq(void) once = 1; error = request_irq(FLOPPY_IRQ, sparc_floppy_irq, - IRQF_DISABLED, "floppy", NULL); + 0, "floppy", NULL); return ((error == 0) ? 0 : -1); } @@ -291,12 +280,11 @@ static int sun_fd_eject(int drive) return 0; } -#ifdef CONFIG_PCI -#include <asm/ebus.h> +#include <asm/ebus_dma.h> #include <asm/ns87303.h> static struct ebus_dma_info sun_pci_fd_ebus_dma; -static struct pci_dev *sun_pci_ebus_dev; +static struct device *sun_floppy_dev; static int sun_pci_broken_drive = -1; struct sun_pci_dma_op { @@ -308,7 +296,7 @@ struct sun_pci_dma_op { static struct sun_pci_dma_op sun_pci_dma_current = { -1U, 0, 0, NULL}; static struct sun_pci_dma_op sun_pci_dma_pending = { -1U, 0, 0, NULL}; -extern irqreturn_t floppy_interrupt(int irq, void *dev_id); +irqreturn_t floppy_interrupt(int irq, void *dev_id); static unsigned char sun_pci_fd_inb(unsigned long port) { @@ -377,7 +365,7 @@ static void sun_pci_fd_enable_dma(void) sun_pci_dma_pending.addr = -1U; sun_pci_dma_current.addr = - pci_map_single(sun_pci_ebus_dev, + dma_map_single(sun_floppy_dev, sun_pci_dma_current.buf, sun_pci_dma_current.len, sun_pci_dma_current.direction); @@ -394,7 +382,7 @@ static void sun_pci_fd_disable_dma(void) { ebus_dma_enable(&sun_pci_fd_ebus_dma, 0); if (sun_pci_dma_current.addr != -1U) - pci_unmap_single(sun_pci_ebus_dev, + dma_unmap_single(sun_floppy_dev, sun_pci_dma_current.addr, sun_pci_dma_current.len, sun_pci_dma_current.direction); @@ -404,9 +392,9 @@ static void sun_pci_fd_disable_dma(void) static void sun_pci_fd_set_dma_mode(int mode) { if (mode == DMA_MODE_WRITE) - sun_pci_dma_pending.direction = PCI_DMA_TODEVICE; + sun_pci_dma_pending.direction = DMA_TO_DEVICE; else - sun_pci_dma_pending.direction = PCI_DMA_FROMDEVICE; + sun_pci_dma_pending.direction = DMA_FROM_DEVICE; ebus_dma_prepare(&sun_pci_fd_ebus_dma, mode != DMA_MODE_WRITE); } @@ -538,80 +526,84 @@ static int sun_pci_fd_test_drive(unsigned long port, int drive) #undef MSR #undef DOR -#endif /* CONFIG_PCI */ - -#ifdef CONFIG_PCI -static int __init ebus_fdthree_p(struct linux_ebus_device *edev) +static int __init ebus_fdthree_p(struct device_node *dp) { - if (!strcmp(edev->prom_node->name, "fdthree")) + if (!strcmp(dp->name, "fdthree")) return 1; - if (!strcmp(edev->prom_node->name, "floppy")) { + if (!strcmp(dp->name, "floppy")) { const char *compat; - compat = of_get_property(edev->prom_node, - "compatible", NULL); + compat = of_get_property(dp, "compatible", NULL); if (compat && !strcmp(compat, "fdthree")) return 1; } return 0; } -#endif static unsigned long __init sun_floppy_init(void) { - char state[128]; - struct sbus_bus *bus; - struct sbus_dev *sdev = NULL; static int initialized = 0; + struct device_node *dp; + struct platform_device *op; + const char *prop; + char state[128]; if (initialized) return sun_floppy_types[0]; initialized = 1; - for_all_sbusdev (sdev, bus) { - if (!strcmp(sdev->prom_name, "SUNW,fdtwo")) + op = NULL; + + for_each_node_by_name(dp, "SUNW,fdtwo") { + if (strcmp(dp->parent->name, "sbus")) + continue; + op = of_find_device_by_node(dp); + if (op) break; } - if(sdev) { - floppy_sdev = sdev; - FLOPPY_IRQ = sdev->irqs[0]; + if (op) { + floppy_op = op; + FLOPPY_IRQ = op->archdata.irqs[0]; } else { -#ifdef CONFIG_PCI - struct linux_ebus *ebus; - struct linux_ebus_device *edev = NULL; - unsigned long config = 0; + struct device_node *ebus_dp; void __iomem *auxio_reg; const char *state_prop; + unsigned long config; - for_each_ebus(ebus) { - for_each_ebusdev(edev, ebus) { - if (ebus_fdthree_p(edev)) - goto ebus_done; + dp = NULL; + for_each_node_by_name(ebus_dp, "ebus") { + for (dp = ebus_dp->child; dp; dp = dp->sibling) { + if (ebus_fdthree_p(dp)) + goto found_fdthree; } } - ebus_done: - if (!edev) + found_fdthree: + if (!dp) return 0; - state_prop = of_get_property(edev->prom_node, "status", NULL); + op = of_find_device_by_node(dp); + if (!op) + return 0; + + state_prop = of_get_property(op->dev.of_node, "status", NULL); if (state_prop && !strncmp(state_prop, "disabled", 8)) return 0; - FLOPPY_IRQ = edev->irqs[0]; + FLOPPY_IRQ = op->archdata.irqs[0]; /* Make sure the high density bit is set, some systems * (most notably Ultra5/Ultra10) come up with it clear. */ - auxio_reg = (void __iomem *) edev->resource[2].start; + auxio_reg = (void __iomem *) op->resource[2].start; writel(readl(auxio_reg)|0x2, auxio_reg); - sun_pci_ebus_dev = ebus->self; + sun_floppy_dev = &op->dev; spin_lock_init(&sun_pci_fd_ebus_dma.lock); /* XXX ioremap */ sun_pci_fd_ebus_dma.regs = (void __iomem *) - edev->resource[1].start; + op->resource[1].start; if (!sun_pci_fd_ebus_dma.regs) return 0; @@ -625,7 +617,7 @@ static unsigned long __init sun_floppy_init(void) return 0; /* XXX ioremap */ - sun_fdc = (struct sun_flpy_controller *)edev->resource[0].start; + sun_fdc = (struct sun_flpy_controller *) op->resource[0].start; sun_fdops.fd_inb = sun_pci_fd_inb; sun_fdops.fd_outb = sun_pci_fd_outb; @@ -662,12 +654,15 @@ static unsigned long __init sun_floppy_init(void) /* * Find NS87303 SuperIO config registers (through ecpp). */ - for_each_ebus(ebus) { - for_each_ebusdev(edev, ebus) { - if (!strcmp(edev->prom_node->name, "ecpp")) { - config = edev->resource[1].start; - goto config_done; - } + config = 0; + for (dp = ebus_dp->child; dp; dp = dp->sibling) { + if (!strcmp(dp->name, "ecpp")) { + struct platform_device *ecpp_op; + + ecpp_op = of_find_device_by_node(dp); + if (ecpp_op) + config = ecpp_op->resource[1].start; + goto config_done; } } config_done: @@ -716,26 +711,23 @@ static unsigned long __init sun_floppy_init(void) #endif /* PCI_FDC_SWAP_DRIVES */ return sun_floppy_types[0]; -#else - return 0; -#endif } - prom_getproperty(sdev->prom_node, "status", state, sizeof(state)); - if(!strncmp(state, "disabled", 8)) + prop = of_get_property(op->dev.of_node, "status", NULL); + if (prop && !strncmp(state, "disabled", 8)) return 0; /* - * We cannot do sbus_ioremap here: it does request_region, + * We cannot do of_ioremap here: it does request_region, * which the generic floppy driver tries to do once again. * But we must use the sdev resource values as they have * had parent ranges applied. */ sun_fdc = (struct sun_flpy_controller *) - (sdev->resource[0].start + - ((sdev->resource[0].flags & 0x1ffUL) << 32UL)); + (op->resource[0].start + + ((op->resource[0].flags & 0x1ffUL) << 32UL)); /* Last minute sanity check... */ - if(sbus_readb(&sun_fdc->status1_82077) == 0xff) { + if (sbus_readb(&sun_fdc->status1_82077) == 0xff) { sun_fdc = (struct sun_flpy_controller *)-1; return 0; } diff --git a/arch/sparc/include/asm/ftrace.h b/arch/sparc/include/asm/ftrace.h index d27716cd38c..9ec94ad116f 100644 --- a/arch/sparc/include/asm/ftrace.h +++ b/arch/sparc/include/asm/ftrace.h @@ -6,9 +6,24 @@ #define MCOUNT_INSN_SIZE 4 /* sizeof mcount call */ #ifndef __ASSEMBLY__ -extern void _mcount(void); +void _mcount(void); #endif #endif +#ifdef CONFIG_DYNAMIC_FTRACE +/* reloction of mcount call site is the same as the address */ +static inline unsigned long ftrace_call_adjust(unsigned long addr) +{ + return addr; +} + +struct dyn_arch_ftrace { +}; +#endif /* CONFIG_DYNAMIC_FTRACE */ + +unsigned long prepare_ftrace_return(unsigned long parent, + unsigned long self_addr, + unsigned long frame_pointer); + #endif /* _ASM_SPARC64_FTRACE */ diff --git a/arch/sparc/include/asm/futex_64.h b/arch/sparc/include/asm/futex_64.h index 47f95839dc6..4e899b0dabf 100644 --- a/arch/sparc/include/asm/futex_64.h +++ b/arch/sparc/include/asm/futex_64.h @@ -4,7 +4,6 @@ #include <linux/futex.h> #include <linux/uaccess.h> #include <asm/errno.h> -#include <asm/system.h> #define __futex_cas_op(insn, ret, oldval, uaddr, oparg) \ __asm__ __volatile__( \ @@ -30,7 +29,7 @@ : "r" (uaddr), "r" (oparg), "i" (-EFAULT) \ : "memory") -static inline int futex_atomic_op_inuser(int encoded_op, int __user *uaddr) +static inline int futex_atomic_op_inuser(int encoded_op, u32 __user *uaddr) { int op = (encoded_op >> 28) & 7; int cmp = (encoded_op >> 24) & 15; @@ -38,7 +37,7 @@ static inline int futex_atomic_op_inuser(int encoded_op, int __user *uaddr) int cmparg = (encoded_op << 20) >> 20; int oldval = 0, ret, tem; - if (unlikely(!access_ok(VERIFY_WRITE, uaddr, sizeof(int)))) + if (unlikely(!access_ok(VERIFY_WRITE, uaddr, sizeof(u32)))) return -EFAULT; if (unlikely((((unsigned long) uaddr) & 0x3UL))) return -EINVAL; @@ -85,26 +84,30 @@ static inline int futex_atomic_op_inuser(int encoded_op, int __user *uaddr) } static inline int -futex_atomic_cmpxchg_inatomic(int __user *uaddr, int oldval, int newval) +futex_atomic_cmpxchg_inatomic(u32 *uval, u32 __user *uaddr, + u32 oldval, u32 newval) { + int ret = 0; + __asm__ __volatile__( - "\n1: casa [%3] %%asi, %2, %0\n" + "\n1: casa [%4] %%asi, %3, %1\n" "2:\n" " .section .fixup,#alloc,#execinstr\n" " .align 4\n" "3: sethi %%hi(2b), %0\n" " jmpl %0 + %%lo(2b), %%g0\n" - " mov %4, %0\n" + " mov %5, %0\n" " .previous\n" " .section __ex_table,\"a\"\n" " .align 4\n" " .word 1b, 3b\n" " .previous\n" - : "=r" (newval) - : "0" (newval), "r" (oldval), "r" (uaddr), "i" (-EFAULT) + : "+r" (ret), "=r" (newval) + : "1" (newval), "r" (oldval), "r" (uaddr), "i" (-EFAULT) : "memory"); - return newval; + *uval = newval; + return ret; } #endif /* !(_SPARC64_FUTEX_H) */ diff --git a/arch/sparc/include/asm/gpio.h b/arch/sparc/include/asm/gpio.h new file mode 100644 index 00000000000..b3799d88ffc --- /dev/null +++ b/arch/sparc/include/asm/gpio.h @@ -0,0 +1,4 @@ +#ifndef __LINUX_GPIO_H +#warning Include linux/gpio.h instead of asm/gpio.h +#include <linux/gpio.h> +#endif diff --git a/arch/sparc/include/asm/hardirq_32.h b/arch/sparc/include/asm/hardirq_32.h index 4f63ed8df55..ee93923b7f8 100644 --- a/arch/sparc/include/asm/hardirq_32.h +++ b/arch/sparc/include/asm/hardirq_32.h @@ -7,17 +7,6 @@ #ifndef __SPARC_HARDIRQ_H #define __SPARC_HARDIRQ_H -#include <linux/threads.h> -#include <linux/spinlock.h> -#include <linux/cache.h> - -/* entry.S is sensitive to the offsets of these fields */ /* XXX P3 Is it? */ -typedef struct { - unsigned int __softirq_pending; -} ____cacheline_aligned irq_cpustat_t; - -#include <linux/irq_cpustat.h> /* Standard mappings for irq_cpustat_t above */ - -#define HARDIRQ_BITS 8 +#include <asm-generic/hardirq.h> #endif /* __SPARC_HARDIRQ_H */ diff --git a/arch/sparc/include/asm/hardirq_64.h b/arch/sparc/include/asm/hardirq_64.h index 7c29fd1a87a..f478ff1ddd0 100644 --- a/arch/sparc/include/asm/hardirq_64.h +++ b/arch/sparc/include/asm/hardirq_64.h @@ -14,6 +14,4 @@ void ack_bad_irq(unsigned int irq); -#define HARDIRQ_BITS 8 - #endif /* !(__SPARC64_HARDIRQ_H) */ diff --git a/arch/sparc/include/asm/head_32.h b/arch/sparc/include/asm/head_32.h index 7c35491a8b5..5f1dbe315bc 100644 --- a/arch/sparc/include/asm/head_32.h +++ b/arch/sparc/include/asm/head_32.h @@ -2,15 +2,8 @@ #define __SPARC_HEAD_H #define KERNBASE 0xf0000000 /* First address the kernel will eventually be */ -#define LOAD_ADDR 0x4000 /* prom jumps to us here unless this is elf /boot */ -#define SUN4C_SEGSZ (1 << 18) -#define SRMMU_L1_KBASE_OFFSET ((KERNBASE>>24)<<2) /* Used in boot remapping. */ -#define INTS_ENAB 0x01 /* entry.S uses this. */ - -#define SUN4_PROM_VECTOR 0xFFE81000 /* SUN4 PROM needs to be hardwired */ #define WRITE_PAUSE nop; nop; nop; /* Have to do this after %wim/%psr chg */ -#define NOP_INSN 0x01000000 /* Used to patch sparc_save_state */ /* Here are some trap goodies */ @@ -18,9 +11,7 @@ #define TRAP_ENTRY(type, label) \ rd %psr, %l0; b label; rd %wim, %l3; nop; -/* Data/text faults. Defaults to sun4c version at boot time. */ -#define SPARC_TFAULT rd %psr, %l0; rd %wim, %l3; b sun4c_fault; mov 1, %l7; -#define SPARC_DFAULT rd %psr, %l0; rd %wim, %l3; b sun4c_fault; mov 0, %l7; +/* Data/text faults */ #define SRMMU_TFAULT rd %psr, %l0; rd %wim, %l3; b srmmu_fault; mov 1, %l7; #define SRMMU_DFAULT rd %psr, %l0; rd %wim, %l3; b srmmu_fault; mov 0, %l7; @@ -64,15 +55,15 @@ /* The Get Condition Codes software trap for userland. */ #define GETCC_TRAP \ - b getcc_trap_handler; mov %psr, %l0; nop; nop; + b getcc_trap_handler; rd %psr, %l0; nop; nop; /* The Set Condition Codes software trap for userland. */ #define SETCC_TRAP \ - b setcc_trap_handler; mov %psr, %l0; nop; nop; + b setcc_trap_handler; rd %psr, %l0; nop; nop; /* The Get PSR software trap for userland. */ #define GETPSR_TRAP \ - mov %psr, %i0; jmp %l2; rett %l2 + 4; nop; + rd %psr, %i0; jmp %l2; rett %l2 + 4; nop; /* This is for hard interrupts from level 1-14, 15 is non-maskable (nmi) and * gets handled with another macro. @@ -80,16 +71,6 @@ #define TRAP_ENTRY_INTERRUPT(int_level) \ mov int_level, %l7; rd %psr, %l0; b real_irq_entry; rd %wim, %l3; -/* NMI's (Non Maskable Interrupts) are special, you can't keep them - * from coming in, and basically if you get one, the shows over. ;( - * On the sun4c they are usually asynchronous memory errors, on the - * the sun4m they could be either due to mem errors or a software - * initiated interrupt from the prom/kern on an SMP box saying "I - * command you to do CPU tricks, read your mailbox for more info." - */ -#define NMI_TRAP \ - rd %wim, %l3; b linux_trap_nmi_sun4c; mov %psr, %l0; nop; - /* Window overflows/underflows are special and we need to try to be as * efficient as possible here.... */ diff --git a/arch/sparc/include/asm/hibernate.h b/arch/sparc/include/asm/hibernate.h new file mode 100644 index 00000000000..2ec34f84224 --- /dev/null +++ b/arch/sparc/include/asm/hibernate.h @@ -0,0 +1,23 @@ +/* + * hibernate.h: Hibernaton support specific for sparc64. + * + * Copyright (C) 2013 Kirill V Tkhai (tkhai@yandex.ru) + */ + +#ifndef ___SPARC_HIBERNATE_H +#define ___SPARC_HIBERNATE_H + +struct saved_context { + unsigned long fp; + unsigned long cwp; + unsigned long wstate; + + unsigned long tick; + unsigned long pstate; + + unsigned long g4; + unsigned long g5; + unsigned long g6; +}; + +#endif diff --git a/arch/sparc/include/asm/highmem.h b/arch/sparc/include/asm/highmem.h index 3de42e77627..92ded294a4e 100644 --- a/arch/sparc/include/asm/highmem.h +++ b/arch/sparc/include/asm/highmem.h @@ -21,7 +21,6 @@ #ifdef __KERNEL__ #include <linux/interrupt.h> -#include <asm/fixmap.h> #include <asm/vaddrs.h> #include <asm/kmap_types.h> #include <asm/pgtable.h> @@ -29,11 +28,10 @@ /* declarations for highmem.c */ extern unsigned long highstart_pfn, highend_pfn; -extern pte_t *kmap_pte; extern pgprot_t kmap_prot; extern pte_t *pkmap_page_table; -extern void kmap_init(void) __init; +void kmap_init(void) __init; /* * Right now we initialize only a single pte table. It can be extended @@ -51,8 +49,8 @@ extern void kmap_init(void) __init; #define PKMAP_END (PKMAP_ADDR(LAST_PKMAP)) -extern void *kmap_high(struct page *page); -extern void kunmap_high(struct page *page); +void *kmap_high(struct page *page); +void kunmap_high(struct page *page); static inline void *kmap(struct page *page) { @@ -70,9 +68,8 @@ static inline void kunmap(struct page *page) kunmap_high(page); } -extern void *kmap_atomic(struct page *page, enum km_type type); -extern void kunmap_atomic(void *kvaddr, enum km_type type); -extern struct page *kmap_atomic_to_page(void *vaddr); +void *kmap_atomic(struct page *page); +void __kunmap_atomic(void *kvaddr); #define flush_cache_kmaps() flush_cache_all() diff --git a/arch/sparc/include/asm/hugetlb.h b/arch/sparc/include/asm/hugetlb.h index 177061064ee..e4cab465b81 100644 --- a/arch/sparc/include/asm/hugetlb.h +++ b/arch/sparc/include/asm/hugetlb.h @@ -2,6 +2,7 @@ #define _ASM_SPARC64_HUGETLB_H #include <asm/page.h> +#include <asm-generic/hugetlb.h> void set_huge_pte_at(struct mm_struct *mm, unsigned long addr, @@ -10,7 +11,9 @@ void set_huge_pte_at(struct mm_struct *mm, unsigned long addr, pte_t huge_ptep_get_and_clear(struct mm_struct *mm, unsigned long addr, pte_t *ptep); -void hugetlb_prefault_arch_hook(struct mm_struct *mm); +static inline void hugetlb_prefault_arch_hook(struct mm_struct *mm) +{ +} static inline int is_hugepage_only_range(struct mm_struct *mm, unsigned long addr, @@ -58,14 +61,20 @@ static inline pte_t huge_pte_wrprotect(pte_t pte) static inline void huge_ptep_set_wrprotect(struct mm_struct *mm, unsigned long addr, pte_t *ptep) { - ptep_set_wrprotect(mm, addr, ptep); + pte_t old_pte = *ptep; + set_huge_pte_at(mm, addr, ptep, pte_wrprotect(old_pte)); } static inline int huge_ptep_set_access_flags(struct vm_area_struct *vma, unsigned long addr, pte_t *ptep, pte_t pte, int dirty) { - return ptep_set_access_flags(vma, addr, ptep, pte, dirty); + int changed = !pte_same(*ptep, pte); + if (changed) { + set_huge_pte_at(vma->vm_mm, addr, ptep, pte); + flush_tlb_page(vma, addr); + } + return changed; } static inline pte_t huge_ptep_get(pte_t *ptep) @@ -82,4 +91,8 @@ static inline void arch_release_hugepage(struct page *page) { } +static inline void arch_clear_hugepage_flags(struct page *page) +{ +} + #endif /* _ASM_SPARC64_HUGETLB_H */ diff --git a/arch/sparc/include/asm/hvtramp.h b/arch/sparc/include/asm/hvtramp.h index b2b9b947b3a..04b56f862bb 100644 --- a/arch/sparc/include/asm/hvtramp.h +++ b/arch/sparc/include/asm/hvtramp.h @@ -19,7 +19,7 @@ struct hvtramp_descr { struct hvtramp_mapping maps[1]; }; -extern void hv_cpu_startup(unsigned long hvdescr_pa); +void hv_cpu_startup(unsigned long hvdescr_pa); #endif diff --git a/arch/sparc/include/asm/hypervisor.h b/arch/sparc/include/asm/hypervisor.h index 109ae24ba24..94b39caea3e 100644 --- a/arch/sparc/include/asm/hypervisor.h +++ b/arch/sparc/include/asm/hypervisor.h @@ -98,7 +98,7 @@ #define HV_FAST_MACH_EXIT 0x00 #ifndef __ASSEMBLY__ -extern void sun4v_mach_exit(unsigned long exit_code); +void sun4v_mach_exit(unsigned long exit_code); #endif /* Domain services. */ @@ -127,9 +127,9 @@ extern void sun4v_mach_exit(unsigned long exit_code); #define HV_FAST_MACH_DESC 0x01 #ifndef __ASSEMBLY__ -extern unsigned long sun4v_mach_desc(unsigned long buffer_pa, - unsigned long buf_len, - unsigned long *real_buf_len); +unsigned long sun4v_mach_desc(unsigned long buffer_pa, + unsigned long buf_len, + unsigned long *real_buf_len); #endif /* mach_sir() @@ -148,7 +148,7 @@ extern unsigned long sun4v_mach_desc(unsigned long buffer_pa, #define HV_FAST_MACH_SIR 0x02 #ifndef __ASSEMBLY__ -extern void sun4v_mach_sir(void); +void sun4v_mach_sir(void); #endif /* mach_set_watchdog() @@ -204,8 +204,8 @@ extern void sun4v_mach_sir(void); #define HV_FAST_MACH_SET_WATCHDOG 0x05 #ifndef __ASSEMBLY__ -extern unsigned long sun4v_mach_set_watchdog(unsigned long timeout, - unsigned long *orig_timeout); +unsigned long sun4v_mach_set_watchdog(unsigned long timeout, + unsigned long *orig_timeout); #endif /* CPU services. @@ -250,10 +250,10 @@ extern unsigned long sun4v_mach_set_watchdog(unsigned long timeout, #define HV_FAST_CPU_START 0x10 #ifndef __ASSEMBLY__ -extern unsigned long sun4v_cpu_start(unsigned long cpuid, - unsigned long pc, - unsigned long rtba, - unsigned long arg0); +unsigned long sun4v_cpu_start(unsigned long cpuid, + unsigned long pc, + unsigned long rtba, + unsigned long arg0); #endif /* cpu_stop() @@ -278,7 +278,7 @@ extern unsigned long sun4v_cpu_start(unsigned long cpuid, #define HV_FAST_CPU_STOP 0x11 #ifndef __ASSEMBLY__ -extern unsigned long sun4v_cpu_stop(unsigned long cpuid); +unsigned long sun4v_cpu_stop(unsigned long cpuid); #endif /* cpu_yield() @@ -295,7 +295,7 @@ extern unsigned long sun4v_cpu_stop(unsigned long cpuid); #define HV_FAST_CPU_YIELD 0x12 #ifndef __ASSEMBLY__ -extern unsigned long sun4v_cpu_yield(void); +unsigned long sun4v_cpu_yield(void); #endif /* cpu_qconf() @@ -341,9 +341,9 @@ extern unsigned long sun4v_cpu_yield(void); #define HV_CPU_QUEUE_NONRES_ERROR 0x3f #ifndef __ASSEMBLY__ -extern unsigned long sun4v_cpu_qconf(unsigned long type, - unsigned long queue_paddr, - unsigned long num_queue_entries); +unsigned long sun4v_cpu_qconf(unsigned long type, + unsigned long queue_paddr, + unsigned long num_queue_entries); #endif /* cpu_qinfo() @@ -394,7 +394,9 @@ extern unsigned long sun4v_cpu_qconf(unsigned long type, #define HV_FAST_CPU_MONDO_SEND 0x42 #ifndef __ASSEMBLY__ -extern unsigned long sun4v_cpu_mondo_send(unsigned long cpu_count, unsigned long cpu_list_pa, unsigned long mondo_block_pa); +unsigned long sun4v_cpu_mondo_send(unsigned long cpu_count, + unsigned long cpu_list_pa, + unsigned long mondo_block_pa); #endif /* cpu_myid() @@ -425,7 +427,7 @@ extern unsigned long sun4v_cpu_mondo_send(unsigned long cpu_count, unsigned long #define HV_CPU_STATE_ERROR 0x03 #ifndef __ASSEMBLY__ -extern long sun4v_cpu_state(unsigned long cpuid); +long sun4v_cpu_state(unsigned long cpuid); #endif /* cpu_set_rtba() @@ -625,8 +627,8 @@ struct hv_fault_status { #define HV_FAST_MMU_TSB_CTX0 0x20 #ifndef __ASSEMBLY__ -extern unsigned long sun4v_mmu_tsb_ctx0(unsigned long num_descriptions, - unsigned long tsb_desc_ra); +unsigned long sun4v_mmu_tsb_ctx0(unsigned long num_descriptions, + unsigned long tsb_desc_ra); #endif /* mmu_tsb_ctxnon0() @@ -654,7 +656,7 @@ extern unsigned long sun4v_mmu_tsb_ctx0(unsigned long num_descriptions, * ARG3: mmu context * ARG4: flags (HV_MMU_{IMMU,DMMU}) * RET0: status - * ERRORS: EINVAL Invalid virutal address, context, or + * ERRORS: EINVAL Invalid virtual address, context, or * flags value * ENOTSUPPORTED ARG0 or ARG1 is non-zero * @@ -710,7 +712,7 @@ extern unsigned long sun4v_mmu_tsb_ctx0(unsigned long num_descriptions, #define HV_FAST_MMU_DEMAP_ALL 0x24 #ifndef __ASSEMBLY__ -extern void sun4v_mmu_demap_all(void); +void sun4v_mmu_demap_all(void); #endif /* mmu_map_perm_addr() @@ -721,7 +723,7 @@ extern void sun4v_mmu_demap_all(void); * ARG2: TTE * ARG3: flags (HV_MMU_{IMMU,DMMU}) * RET0: status - * ERRORS: EINVAL Invalid virutal address or flags value + * ERRORS: EINVAL Invalid virtual address or flags value * EBADPGSZ Invalid page size value * ENORADDR Invalid real address in TTE * ETOOMANY Too many mappings (max of 8 reached) @@ -740,10 +742,10 @@ extern void sun4v_mmu_demap_all(void); #define HV_FAST_MMU_MAP_PERM_ADDR 0x25 #ifndef __ASSEMBLY__ -extern unsigned long sun4v_mmu_map_perm_addr(unsigned long vaddr, - unsigned long set_to_zero, - unsigned long tte, - unsigned long flags); +unsigned long sun4v_mmu_map_perm_addr(unsigned long vaddr, + unsigned long set_to_zero, + unsigned long tte, + unsigned long flags); #endif /* mmu_fault_area_conf() @@ -800,7 +802,7 @@ extern unsigned long sun4v_mmu_map_perm_addr(unsigned long vaddr, * ARG1: reserved, must be zero * ARG2: flags (HV_MMU_{IMMU,DMMU}) * RET0: status - * ERRORS: EINVAL Invalid virutal address or flags value + * ERRORS: EINVAL Invalid virtual address or flags value * ENOMAP Specified mapping was not found * * Demaps any permanent page mapping (established via @@ -945,7 +947,7 @@ extern unsigned long sun4v_mmu_map_perm_addr(unsigned long vaddr, #define HV_FAST_TOD_GET 0x50 #ifndef __ASSEMBLY__ -extern unsigned long sun4v_tod_get(unsigned long *time); +unsigned long sun4v_tod_get(unsigned long *time); #endif /* tod_set() @@ -962,7 +964,7 @@ extern unsigned long sun4v_tod_get(unsigned long *time); #define HV_FAST_TOD_SET 0x51 #ifndef __ASSEMBLY__ -extern unsigned long sun4v_tod_set(unsigned long time); +unsigned long sun4v_tod_set(unsigned long time); #endif /* Console services */ @@ -1038,14 +1040,14 @@ extern unsigned long sun4v_tod_set(unsigned long time); #define HV_FAST_CONS_WRITE 0x63 #ifndef __ASSEMBLY__ -extern long sun4v_con_getchar(long *status); -extern long sun4v_con_putchar(long c); -extern long sun4v_con_read(unsigned long buffer, - unsigned long size, - unsigned long *bytes_read); -extern unsigned long sun4v_con_write(unsigned long buffer, - unsigned long size, - unsigned long *bytes_written); +long sun4v_con_getchar(long *status); +long sun4v_con_putchar(long c); +long sun4v_con_read(unsigned long buffer, + unsigned long size, + unsigned long *bytes_read); +unsigned long sun4v_con_write(unsigned long buffer, + unsigned long size, + unsigned long *bytes_written); #endif /* mach_set_soft_state() @@ -1080,8 +1082,8 @@ extern unsigned long sun4v_con_write(unsigned long buffer, #define HV_SOFT_STATE_TRANSITION 0x02 #ifndef __ASSEMBLY__ -extern unsigned long sun4v_mach_set_soft_state(unsigned long soft_state, - unsigned long msg_string_ra); +unsigned long sun4v_mach_set_soft_state(unsigned long soft_state, + unsigned long msg_string_ra); #endif /* mach_get_soft_state() @@ -1159,20 +1161,20 @@ extern unsigned long sun4v_mach_set_soft_state(unsigned long soft_state, #define HV_FAST_SVC_CLRSTATUS 0x84 #ifndef __ASSEMBLY__ -extern unsigned long sun4v_svc_send(unsigned long svc_id, - unsigned long buffer, - unsigned long buffer_size, - unsigned long *sent_bytes); -extern unsigned long sun4v_svc_recv(unsigned long svc_id, - unsigned long buffer, - unsigned long buffer_size, - unsigned long *recv_bytes); -extern unsigned long sun4v_svc_getstatus(unsigned long svc_id, - unsigned long *status_bits); -extern unsigned long sun4v_svc_setstatus(unsigned long svc_id, - unsigned long status_bits); -extern unsigned long sun4v_svc_clrstatus(unsigned long svc_id, - unsigned long status_bits); +unsigned long sun4v_svc_send(unsigned long svc_id, + unsigned long buffer, + unsigned long buffer_size, + unsigned long *sent_bytes); +unsigned long sun4v_svc_recv(unsigned long svc_id, + unsigned long buffer, + unsigned long buffer_size, + unsigned long *recv_bytes); +unsigned long sun4v_svc_getstatus(unsigned long svc_id, + unsigned long *status_bits); +unsigned long sun4v_svc_setstatus(unsigned long svc_id, + unsigned long status_bits); +unsigned long sun4v_svc_clrstatus(unsigned long svc_id, + unsigned long status_bits); #endif /* Trap trace services. @@ -1205,7 +1207,7 @@ struct hv_trap_trace_control { * structure contents. Attempts to do so will result in undefined * behavior for the guest. * - * Each trap trace buffer entry is layed out as follows: + * Each trap trace buffer entry is laid out as follows: */ #ifndef __ASSEMBLY__ struct hv_trap_trace_entry { @@ -1300,7 +1302,7 @@ struct hv_trap_trace_entry { * state in RET1. Future systems may define various flags for the * enable argument (ARG0), for the moment a guest should pass * "(uint64_t) -1" to enable, and "(uint64_t) 0" to disable all - * tracing - which will ensure future compatability. + * tracing - which will ensure future compatibility. */ #define HV_FAST_TTRACE_ENABLE 0x92 @@ -1458,8 +1460,8 @@ struct hv_trap_trace_entry { #define HV_FAST_INTR_DEVINO2SYSINO 0xa0 #ifndef __ASSEMBLY__ -extern unsigned long sun4v_devino_to_sysino(unsigned long devhandle, - unsigned long devino); +unsigned long sun4v_devino_to_sysino(unsigned long devhandle, + unsigned long devino); #endif /* intr_getenabled() @@ -1476,7 +1478,7 @@ extern unsigned long sun4v_devino_to_sysino(unsigned long devhandle, #define HV_FAST_INTR_GETENABLED 0xa1 #ifndef __ASSEMBLY__ -extern unsigned long sun4v_intr_getenabled(unsigned long sysino); +unsigned long sun4v_intr_getenabled(unsigned long sysino); #endif /* intr_setenabled() @@ -1492,7 +1494,8 @@ extern unsigned long sun4v_intr_getenabled(unsigned long sysino); #define HV_FAST_INTR_SETENABLED 0xa2 #ifndef __ASSEMBLY__ -extern unsigned long sun4v_intr_setenabled(unsigned long sysino, unsigned long intr_enabled); +unsigned long sun4v_intr_setenabled(unsigned long sysino, + unsigned long intr_enabled); #endif /* intr_getstate() @@ -1508,7 +1511,7 @@ extern unsigned long sun4v_intr_setenabled(unsigned long sysino, unsigned long i #define HV_FAST_INTR_GETSTATE 0xa3 #ifndef __ASSEMBLY__ -extern unsigned long sun4v_intr_getstate(unsigned long sysino); +unsigned long sun4v_intr_getstate(unsigned long sysino); #endif /* intr_setstate() @@ -1528,7 +1531,7 @@ extern unsigned long sun4v_intr_getstate(unsigned long sysino); #define HV_FAST_INTR_SETSTATE 0xa4 #ifndef __ASSEMBLY__ -extern unsigned long sun4v_intr_setstate(unsigned long sysino, unsigned long intr_state); +unsigned long sun4v_intr_setstate(unsigned long sysino, unsigned long intr_state); #endif /* intr_gettarget() @@ -1546,7 +1549,7 @@ extern unsigned long sun4v_intr_setstate(unsigned long sysino, unsigned long int #define HV_FAST_INTR_GETTARGET 0xa5 #ifndef __ASSEMBLY__ -extern unsigned long sun4v_intr_gettarget(unsigned long sysino); +unsigned long sun4v_intr_gettarget(unsigned long sysino); #endif /* intr_settarget() @@ -1563,7 +1566,7 @@ extern unsigned long sun4v_intr_gettarget(unsigned long sysino); #define HV_FAST_INTR_SETTARGET 0xa6 #ifndef __ASSEMBLY__ -extern unsigned long sun4v_intr_settarget(unsigned long sysino, unsigned long cpuid); +unsigned long sun4v_intr_settarget(unsigned long sysino, unsigned long cpuid); #endif /* vintr_get_cookie() @@ -1647,30 +1650,30 @@ extern unsigned long sun4v_intr_settarget(unsigned long sysino, unsigned long cp #define HV_FAST_VINTR_SET_TARGET 0xae #ifndef __ASSEMBLY__ -extern unsigned long sun4v_vintr_get_cookie(unsigned long dev_handle, - unsigned long dev_ino, - unsigned long *cookie); -extern unsigned long sun4v_vintr_set_cookie(unsigned long dev_handle, - unsigned long dev_ino, - unsigned long cookie); -extern unsigned long sun4v_vintr_get_valid(unsigned long dev_handle, - unsigned long dev_ino, - unsigned long *valid); -extern unsigned long sun4v_vintr_set_valid(unsigned long dev_handle, - unsigned long dev_ino, - unsigned long valid); -extern unsigned long sun4v_vintr_get_state(unsigned long dev_handle, - unsigned long dev_ino, - unsigned long *state); -extern unsigned long sun4v_vintr_set_state(unsigned long dev_handle, - unsigned long dev_ino, - unsigned long state); -extern unsigned long sun4v_vintr_get_target(unsigned long dev_handle, - unsigned long dev_ino, - unsigned long *cpuid); -extern unsigned long sun4v_vintr_set_target(unsigned long dev_handle, - unsigned long dev_ino, - unsigned long cpuid); +unsigned long sun4v_vintr_get_cookie(unsigned long dev_handle, + unsigned long dev_ino, + unsigned long *cookie); +unsigned long sun4v_vintr_set_cookie(unsigned long dev_handle, + unsigned long dev_ino, + unsigned long cookie); +unsigned long sun4v_vintr_get_valid(unsigned long dev_handle, + unsigned long dev_ino, + unsigned long *valid); +unsigned long sun4v_vintr_set_valid(unsigned long dev_handle, + unsigned long dev_ino, + unsigned long valid); +unsigned long sun4v_vintr_get_state(unsigned long dev_handle, + unsigned long dev_ino, + unsigned long *state); +unsigned long sun4v_vintr_set_state(unsigned long dev_handle, + unsigned long dev_ino, + unsigned long state); +unsigned long sun4v_vintr_get_target(unsigned long dev_handle, + unsigned long dev_ino, + unsigned long *cpuid); +unsigned long sun4v_vintr_set_target(unsigned long dev_handle, + unsigned long dev_ino, + unsigned long cpuid); #endif /* PCI IO services. @@ -1880,7 +1883,7 @@ extern unsigned long sun4v_vintr_set_target(unsigned long dev_handle, * pci_device, at pci_config_offset from the beginning of the device's * configuration space. If there was no error, RET1 is set to zero and * RET2 is set to the data read. Insignificant bits in RET2 are not - * guarenteed to have any specific value and therefore must be ignored. + * guaranteed to have any specific value and therefore must be ignored. * * The data returned in RET2 is size based byte swapped. * @@ -1941,9 +1944,9 @@ extern unsigned long sun4v_vintr_set_target(unsigned long dev_handle, * and return the actual data read in RET2. The data returned is size based * byte swapped. * - * Non-significant bits in RET2 are not guarenteed to have any specific value + * Non-significant bits in RET2 are not guaranteed to have any specific value * and therefore must be ignored. If RET1 is returned as non-zero, the data - * value is not guarenteed to have any specific value and should be ignored. + * value is not guaranteed to have any specific value and should be ignored. * * The caller must have permission to read from the given devhandle, real * address, which must be an IO address. The argument real address must be a @@ -2456,9 +2459,9 @@ extern unsigned long sun4v_vintr_set_target(unsigned long dev_handle, * * As receive queue configuration causes a reset of the queue's head and * tail pointers there is no way for a gues to determine how many entries - * have been received between a preceeding ldc_get_rx_state() API call + * have been received between a preceding ldc_get_rx_state() API call * and the completion of the configuration operation. It should be noted - * that datagram delivery is not guarenteed via domain channels anyway, + * that datagram delivery is not guaranteed via domain channels anyway, * and therefore any higher protocol should be resilient to datagram * loss if necessary. However, to overcome this specific race potential * it is recommended, for example, that a higher level protocol be employed @@ -2627,50 +2630,50 @@ struct ldc_mtable_entry { #define HV_FAST_LDC_REVOKE 0xef #ifndef __ASSEMBLY__ -extern unsigned long sun4v_ldc_tx_qconf(unsigned long channel, - unsigned long ra, - unsigned long num_entries); -extern unsigned long sun4v_ldc_tx_qinfo(unsigned long channel, - unsigned long *ra, - unsigned long *num_entries); -extern unsigned long sun4v_ldc_tx_get_state(unsigned long channel, - unsigned long *head_off, - unsigned long *tail_off, - unsigned long *chan_state); -extern unsigned long sun4v_ldc_tx_set_qtail(unsigned long channel, - unsigned long tail_off); -extern unsigned long sun4v_ldc_rx_qconf(unsigned long channel, - unsigned long ra, - unsigned long num_entries); -extern unsigned long sun4v_ldc_rx_qinfo(unsigned long channel, - unsigned long *ra, - unsigned long *num_entries); -extern unsigned long sun4v_ldc_rx_get_state(unsigned long channel, - unsigned long *head_off, - unsigned long *tail_off, - unsigned long *chan_state); -extern unsigned long sun4v_ldc_rx_set_qhead(unsigned long channel, - unsigned long head_off); -extern unsigned long sun4v_ldc_set_map_table(unsigned long channel, - unsigned long ra, - unsigned long num_entries); -extern unsigned long sun4v_ldc_get_map_table(unsigned long channel, - unsigned long *ra, - unsigned long *num_entries); -extern unsigned long sun4v_ldc_copy(unsigned long channel, - unsigned long dir_code, - unsigned long tgt_raddr, - unsigned long lcl_raddr, - unsigned long len, - unsigned long *actual_len); -extern unsigned long sun4v_ldc_mapin(unsigned long channel, - unsigned long cookie, - unsigned long *ra, - unsigned long *perm); -extern unsigned long sun4v_ldc_unmap(unsigned long ra); -extern unsigned long sun4v_ldc_revoke(unsigned long channel, - unsigned long cookie, - unsigned long mte_cookie); +unsigned long sun4v_ldc_tx_qconf(unsigned long channel, + unsigned long ra, + unsigned long num_entries); +unsigned long sun4v_ldc_tx_qinfo(unsigned long channel, + unsigned long *ra, + unsigned long *num_entries); +unsigned long sun4v_ldc_tx_get_state(unsigned long channel, + unsigned long *head_off, + unsigned long *tail_off, + unsigned long *chan_state); +unsigned long sun4v_ldc_tx_set_qtail(unsigned long channel, + unsigned long tail_off); +unsigned long sun4v_ldc_rx_qconf(unsigned long channel, + unsigned long ra, + unsigned long num_entries); +unsigned long sun4v_ldc_rx_qinfo(unsigned long channel, + unsigned long *ra, + unsigned long *num_entries); +unsigned long sun4v_ldc_rx_get_state(unsigned long channel, + unsigned long *head_off, + unsigned long *tail_off, + unsigned long *chan_state); +unsigned long sun4v_ldc_rx_set_qhead(unsigned long channel, + unsigned long head_off); +unsigned long sun4v_ldc_set_map_table(unsigned long channel, + unsigned long ra, + unsigned long num_entries); +unsigned long sun4v_ldc_get_map_table(unsigned long channel, + unsigned long *ra, + unsigned long *num_entries); +unsigned long sun4v_ldc_copy(unsigned long channel, + unsigned long dir_code, + unsigned long tgt_raddr, + unsigned long lcl_raddr, + unsigned long len, + unsigned long *actual_len); +unsigned long sun4v_ldc_mapin(unsigned long channel, + unsigned long cookie, + unsigned long *ra, + unsigned long *perm); +unsigned long sun4v_ldc_unmap(unsigned long ra); +unsigned long sun4v_ldc_revoke(unsigned long channel, + unsigned long cookie, + unsigned long mte_cookie); #endif /* Performance counter services. */ @@ -2713,6 +2716,30 @@ extern unsigned long sun4v_ldc_revoke(unsigned long channel, */ #define HV_FAST_SET_PERFREG 0x101 +#define HV_N2_PERF_SPARC_CTL 0x0 +#define HV_N2_PERF_DRAM_CTL0 0x1 +#define HV_N2_PERF_DRAM_CNT0 0x2 +#define HV_N2_PERF_DRAM_CTL1 0x3 +#define HV_N2_PERF_DRAM_CNT1 0x4 +#define HV_N2_PERF_DRAM_CTL2 0x5 +#define HV_N2_PERF_DRAM_CNT2 0x6 +#define HV_N2_PERF_DRAM_CTL3 0x7 +#define HV_N2_PERF_DRAM_CNT3 0x8 + +#define HV_FAST_N2_GET_PERFREG 0x104 +#define HV_FAST_N2_SET_PERFREG 0x105 + +#ifndef __ASSEMBLY__ +unsigned long sun4v_niagara_getperf(unsigned long reg, + unsigned long *val); +unsigned long sun4v_niagara_setperf(unsigned long reg, + unsigned long val); +unsigned long sun4v_niagara2_getperf(unsigned long reg, + unsigned long *val); +unsigned long sun4v_niagara2_setperf(unsigned long reg, + unsigned long val); +#endif + /* MMU statistics services. * * The hypervisor maintains MMU statistics and privileged code provides @@ -2805,8 +2832,8 @@ struct hv_mmu_statistics { #define HV_FAST_MMUSTAT_INFO 0x103 #ifndef __ASSEMBLY__ -extern unsigned long sun4v_mmustat_conf(unsigned long ra, unsigned long *orig_ra); -extern unsigned long sun4v_mmustat_info(unsigned long *ra); +unsigned long sun4v_mmustat_conf(unsigned long ra, unsigned long *orig_ra); +unsigned long sun4v_mmustat_info(unsigned long *ra); #endif /* NCS crypto services */ @@ -2895,14 +2922,31 @@ struct hv_ncs_qtail_update_arg { #define HV_FAST_NCS_REQUEST 0x110 #ifndef __ASSEMBLY__ -extern unsigned long sun4v_ncs_request(unsigned long request, - unsigned long arg_ra, - unsigned long arg_size); +unsigned long sun4v_ncs_request(unsigned long request, + unsigned long arg_ra, + unsigned long arg_size); #endif #define HV_FAST_FIRE_GET_PERFREG 0x120 #define HV_FAST_FIRE_SET_PERFREG 0x121 +#define HV_FAST_REBOOT_DATA_SET 0x172 + +#ifndef __ASSEMBLY__ +unsigned long sun4v_reboot_data_set(unsigned long ra, + unsigned long len); +#endif + +#define HV_FAST_VT_GET_PERFREG 0x184 +#define HV_FAST_VT_SET_PERFREG 0x185 + +#ifndef __ASSEMBLY__ +unsigned long sun4v_vt_get_perfreg(unsigned long reg_num, + unsigned long *reg_val); +unsigned long sun4v_vt_set_perfreg(unsigned long reg_num, + unsigned long reg_val); +#endif + /* Function numbers for HV_CORE_TRAP. */ #define HV_CORE_SET_VER 0x00 #define HV_CORE_PUTCHAR 0x01 @@ -2916,34 +2960,42 @@ extern unsigned long sun4v_ncs_request(unsigned long request, #define HV_GRP_CORE 0x0001 #define HV_GRP_INTR 0x0002 #define HV_GRP_SOFT_STATE 0x0003 +#define HV_GRP_TM 0x0080 #define HV_GRP_PCI 0x0100 #define HV_GRP_LDOM 0x0101 #define HV_GRP_SVC_CHAN 0x0102 #define HV_GRP_NCS 0x0103 #define HV_GRP_RNG 0x0104 +#define HV_GRP_PBOOT 0x0105 +#define HV_GRP_TPM 0x0107 +#define HV_GRP_SDIO 0x0108 +#define HV_GRP_SDIO_ERR 0x0109 +#define HV_GRP_REBOOT_DATA 0x0110 #define HV_GRP_NIAG_PERF 0x0200 #define HV_GRP_FIRE_PERF 0x0201 #define HV_GRP_N2_CPU 0x0202 #define HV_GRP_NIU 0x0204 #define HV_GRP_VF_CPU 0x0205 +#define HV_GRP_KT_CPU 0x0209 +#define HV_GRP_VT_CPU 0x020c #define HV_GRP_DIAG 0x0300 #ifndef __ASSEMBLY__ -extern unsigned long sun4v_get_version(unsigned long group, - unsigned long *major, - unsigned long *minor); -extern unsigned long sun4v_set_version(unsigned long group, - unsigned long major, - unsigned long minor, - unsigned long *actual_minor); - -extern int sun4v_hvapi_register(unsigned long group, unsigned long major, - unsigned long *minor); -extern void sun4v_hvapi_unregister(unsigned long group); -extern int sun4v_hvapi_get(unsigned long group, - unsigned long *major, - unsigned long *minor); -extern void sun4v_hvapi_init(void); +unsigned long sun4v_get_version(unsigned long group, + unsigned long *major, + unsigned long *minor); +unsigned long sun4v_set_version(unsigned long group, + unsigned long major, + unsigned long minor, + unsigned long *actual_minor); + +int sun4v_hvapi_register(unsigned long group, unsigned long major, + unsigned long *minor); +void sun4v_hvapi_unregister(unsigned long group); +int sun4v_hvapi_get(unsigned long group, + unsigned long *major, + unsigned long *minor); +void sun4v_hvapi_init(void); #endif #endif /* !(_SPARC64_HYPERVISOR_H) */ diff --git a/arch/sparc/include/asm/idprom.h b/arch/sparc/include/asm/idprom.h index 6976aa2439c..3793f7f91c4 100644 --- a/arch/sparc/include/asm/idprom.h +++ b/arch/sparc/include/asm/idprom.h @@ -20,6 +20,6 @@ struct idprom { }; extern struct idprom *idprom; -extern void idprom_init(void); +void idprom_init(void); #endif /* !(_SPARC_IDPROM_H) */ diff --git a/arch/sparc/include/asm/io-unit.h b/arch/sparc/include/asm/io-unit.h index 96823b47fd4..04a9701e720 100644 --- a/arch/sparc/include/asm/io-unit.h +++ b/arch/sparc/include/asm/io-unit.h @@ -43,7 +43,7 @@ struct iounit_struct { unsigned long bmap[(IOUNIT_DMA_SIZE >> (PAGE_SHIFT + 3)) / sizeof(unsigned long)]; spinlock_t lock; - iopte_t *page_table; + iopte_t __iomem *page_table; unsigned long rotor[3]; unsigned long limit[4]; }; @@ -55,8 +55,4 @@ struct iounit_struct { #define IOUNIT_BMAPM_START IOUNIT_BMAP2_END #define IOUNIT_BMAPM_END ((IOUNIT_DMA_SIZE - IOUNIT_DVMA_SIZE) >> PAGE_SHIFT) -extern __u32 iounit_map_dma_init(struct sbus_bus *, int); -#define iounit_map_dma_finish(sbus, addr, len) mmu_release_scsi_one(addr, len, sbus) -extern __u32 iounit_map_dma_page(__u32, void *, struct sbus_bus *); - #endif /* !(_SPARC_IO_UNIT_H) */ diff --git a/arch/sparc/include/asm/io.h b/arch/sparc/include/asm/io.h index a34b2994937..f6902cf3cbe 100644 --- a/arch/sparc/include/asm/io.h +++ b/arch/sparc/include/asm/io.h @@ -5,4 +5,17 @@ #else #include <asm/io_32.h> #endif + +/* + * Defines used for both SPARC32 and SPARC64 + */ + +/* Big endian versions of memory read/write routines */ +#define readb_be(__addr) __raw_readb(__addr) +#define readw_be(__addr) __raw_readw(__addr) +#define readl_be(__addr) __raw_readl(__addr) +#define writeb_be(__b, __addr) __raw_writeb(__b, __addr) +#define writel_be(__w, __addr) __raw_writel(__w, __addr) +#define writew_be(__l, __addr) __raw_writew(__l, __addr) + #endif diff --git a/arch/sparc/include/asm/io_32.h b/arch/sparc/include/asm/io_32.h index 10d7da45007..9f532902627 100644 --- a/arch/sparc/include/asm/io_32.h +++ b/arch/sparc/include/asm/io_32.h @@ -2,191 +2,94 @@ #define __SPARC_IO_H #include <linux/kernel.h> -#include <linux/types.h> #include <linux/ioport.h> /* struct resource */ -#include <asm/page.h> /* IO address mapping routines need this */ -#include <asm/system.h> - -#define page_to_phys(page) (((page) - mem_map) << PAGE_SHIFT) - -static inline u32 flip_dword (u32 l) -{ - return ((l&0xff)<<24) | (((l>>8)&0xff)<<16) | (((l>>16)&0xff)<<8)| ((l>>24)&0xff); -} - -static inline u16 flip_word (u16 w) -{ - return ((w&0xff) << 8) | ((w>>8)&0xff); -} - -#define mmiowb() - -/* - * Memory mapped I/O to PCI - */ - -static inline u8 __raw_readb(const volatile void __iomem *addr) -{ - return *(__force volatile u8 *)addr; -} +#define readb_relaxed(__addr) readb(__addr) +#define readw_relaxed(__addr) readw(__addr) +#define readl_relaxed(__addr) readl(__addr) -static inline u16 __raw_readw(const volatile void __iomem *addr) -{ - return *(__force volatile u16 *)addr; -} +#define IO_SPACE_LIMIT 0xffffffff -static inline u32 __raw_readl(const volatile void __iomem *addr) -{ - return *(__force volatile u32 *)addr; -} +#define memset_io(d,c,sz) _memset_io(d,c,sz) +#define memcpy_fromio(d,s,sz) _memcpy_fromio(d,s,sz) +#define memcpy_toio(d,s,sz) _memcpy_toio(d,s,sz) -static inline void __raw_writeb(u8 b, volatile void __iomem *addr) -{ - *(__force volatile u8 *)addr = b; -} +#include <asm-generic/io.h> -static inline void __raw_writew(u16 w, volatile void __iomem *addr) +static inline void _memset_io(volatile void __iomem *dst, + int c, __kernel_size_t n) { - *(__force volatile u16 *)addr = w; -} - -static inline void __raw_writel(u32 l, volatile void __iomem *addr) -{ - *(__force volatile u32 *)addr = l; -} - -static inline u8 __readb(const volatile void __iomem *addr) -{ - return *(__force volatile u8 *)addr; -} + volatile void __iomem *d = dst; -static inline u16 __readw(const volatile void __iomem *addr) -{ - return flip_word(*(__force volatile u16 *)addr); + while (n--) { + writeb(c, d); + d++; + } } -static inline u32 __readl(const volatile void __iomem *addr) +static inline void _memcpy_fromio(void *dst, const volatile void __iomem *src, + __kernel_size_t n) { - return flip_dword(*(__force volatile u32 *)addr); -} + char *d = dst; -static inline void __writeb(u8 b, volatile void __iomem *addr) -{ - *(__force volatile u8 *)addr = b; + while (n--) { + char tmp = readb(src); + *d++ = tmp; + src++; + } } -static inline void __writew(u16 w, volatile void __iomem *addr) +static inline void _memcpy_toio(volatile void __iomem *dst, const void *src, + __kernel_size_t n) { - *(__force volatile u16 *)addr = flip_word(w); -} + const char *s = src; + volatile void __iomem *d = dst; -static inline void __writel(u32 l, volatile void __iomem *addr) -{ - *(__force volatile u32 *)addr = flip_dword(l); + while (n--) { + char tmp = *s++; + writeb(tmp, d); + d++; + } } -#define readb(__addr) __readb(__addr) -#define readw(__addr) __readw(__addr) -#define readl(__addr) __readl(__addr) -#define readb_relaxed(__addr) readb(__addr) -#define readw_relaxed(__addr) readw(__addr) -#define readl_relaxed(__addr) readl(__addr) - -#define writeb(__b, __addr) __writeb((__b),(__addr)) -#define writew(__w, __addr) __writew((__w),(__addr)) -#define writel(__l, __addr) __writel((__l),(__addr)) - -/* - * I/O space operations - * - * Arrangement on a Sun is somewhat complicated. - * - * First of all, we want to use standard Linux drivers - * for keyboard, PC serial, etc. These drivers think - * they access I/O space and use inb/outb. - * On the other hand, EBus bridge accepts PCI *memory* - * cycles and converts them into ISA *I/O* cycles. - * Ergo, we want inb & outb to generate PCI memory cycles. - * - * If we want to issue PCI *I/O* cycles, we do this - * with a low 64K fixed window in PCIC. This window gets - * mapped somewhere into virtual kernel space and we - * can use inb/outb again. - */ -#define inb_local(__addr) __readb((void __iomem *)(unsigned long)(__addr)) -#define inb(__addr) __readb((void __iomem *)(unsigned long)(__addr)) -#define inw(__addr) __readw((void __iomem *)(unsigned long)(__addr)) -#define inl(__addr) __readl((void __iomem *)(unsigned long)(__addr)) - -#define outb_local(__b, __addr) __writeb(__b, (void __iomem *)(unsigned long)(__addr)) -#define outb(__b, __addr) __writeb(__b, (void __iomem *)(unsigned long)(__addr)) -#define outw(__w, __addr) __writew(__w, (void __iomem *)(unsigned long)(__addr)) -#define outl(__l, __addr) __writel(__l, (void __iomem *)(unsigned long)(__addr)) - -#define inb_p(__addr) inb(__addr) -#define outb_p(__b, __addr) outb(__b, __addr) -#define inw_p(__addr) inw(__addr) -#define outw_p(__w, __addr) outw(__w, __addr) -#define inl_p(__addr) inl(__addr) -#define outl_p(__l, __addr) outl(__l, __addr) - -void outsb(unsigned long addr, const void *src, unsigned long cnt); -void outsw(unsigned long addr, const void *src, unsigned long cnt); -void outsl(unsigned long addr, const void *src, unsigned long cnt); -void insb(unsigned long addr, void *dst, unsigned long count); -void insw(unsigned long addr, void *dst, unsigned long count); -void insl(unsigned long addr, void *dst, unsigned long count); - -#define IO_SPACE_LIMIT 0xffffffff - /* * SBus accessors. * * SBus has only one, memory mapped, I/O space. * We do not need to flip bytes for SBus of course. */ -static inline u8 _sbus_readb(const volatile void __iomem *addr) +static inline u8 sbus_readb(const volatile void __iomem *addr) { return *(__force volatile u8 *)addr; } -static inline u16 _sbus_readw(const volatile void __iomem *addr) +static inline u16 sbus_readw(const volatile void __iomem *addr) { return *(__force volatile u16 *)addr; } -static inline u32 _sbus_readl(const volatile void __iomem *addr) +static inline u32 sbus_readl(const volatile void __iomem *addr) { return *(__force volatile u32 *)addr; } -static inline void _sbus_writeb(u8 b, volatile void __iomem *addr) +static inline void sbus_writeb(u8 b, volatile void __iomem *addr) { *(__force volatile u8 *)addr = b; } -static inline void _sbus_writew(u16 w, volatile void __iomem *addr) +static inline void sbus_writew(u16 w, volatile void __iomem *addr) { *(__force volatile u16 *)addr = w; } -static inline void _sbus_writel(u32 l, volatile void __iomem *addr) +static inline void sbus_writel(u32 l, volatile void __iomem *addr) { *(__force volatile u32 *)addr = l; } -/* - * The only reason for #define's is to hide casts to unsigned long. - */ -#define sbus_readb(__addr) _sbus_readb(__addr) -#define sbus_readw(__addr) _sbus_readw(__addr) -#define sbus_readl(__addr) _sbus_readl(__addr) -#define sbus_writeb(__b, __addr) _sbus_writeb(__b, __addr) -#define sbus_writew(__w, __addr) _sbus_writew(__w, __addr) -#define sbus_writel(__l, __addr) _sbus_writel(__l, __addr) - -static inline void sbus_memset_io(volatile void __iomem *__dst, int c, __kernel_size_t n) +static inline void sbus_memset_io(volatile void __iomem *__dst, int c, + __kernel_size_t n) { while(n--) { sbus_writeb(c, __dst); @@ -194,110 +97,52 @@ static inline void sbus_memset_io(volatile void __iomem *__dst, int c, __kernel_ } } -static inline void -_memset_io(volatile void __iomem *dst, int c, __kernel_size_t n) -{ - volatile void __iomem *d = dst; - - while (n--) { - writeb(c, d); - d++; - } -} - -#define memset_io(d,c,sz) _memset_io(d,c,sz) - -static inline void -_memcpy_fromio(void *dst, const volatile void __iomem *src, __kernel_size_t n) +static inline void sbus_memcpy_fromio(void *dst, + const volatile void __iomem *src, + __kernel_size_t n) { char *d = dst; while (n--) { - char tmp = readb(src); + char tmp = sbus_readb(src); *d++ = tmp; src++; } } -#define memcpy_fromio(d,s,sz) _memcpy_fromio(d,s,sz) - -static inline void -_memcpy_toio(volatile void __iomem *dst, const void *src, __kernel_size_t n) +static inline void sbus_memcpy_toio(volatile void __iomem *dst, + const void *src, + __kernel_size_t n) { const char *s = src; volatile void __iomem *d = dst; while (n--) { char tmp = *s++; - writeb(tmp, d); + sbus_writeb(tmp, d); d++; } } -#define memcpy_toio(d,s,sz) _memcpy_toio(d,s,sz) - #ifdef __KERNEL__ /* * Bus number may be embedded in the higher bits of the physical address. * This is why we have no bus number argument to ioremap(). */ -extern void __iomem *ioremap(unsigned long offset, unsigned long size); +void __iomem *ioremap(unsigned long offset, unsigned long size); #define ioremap_nocache(X,Y) ioremap((X),(Y)) #define ioremap_wc(X,Y) ioremap((X),(Y)) -extern void iounmap(volatile void __iomem *addr); - -#define ioread8(X) readb(X) -#define ioread16(X) readw(X) -#define ioread32(X) readl(X) -#define iowrite8(val,X) writeb(val,X) -#define iowrite16(val,X) writew(val,X) -#define iowrite32(val,X) writel(val,X) - -static inline void ioread8_rep(void __iomem *port, void *buf, unsigned long count) -{ - insb((unsigned long __force)port, buf, count); -} -static inline void ioread16_rep(void __iomem *port, void *buf, unsigned long count) -{ - insw((unsigned long __force)port, buf, count); -} - -static inline void ioread32_rep(void __iomem *port, void *buf, unsigned long count) -{ - insl((unsigned long __force)port, buf, count); -} - -static inline void iowrite8_rep(void __iomem *port, const void *buf, unsigned long count) -{ - outsb((unsigned long __force)port, buf, count); -} - -static inline void iowrite16_rep(void __iomem *port, const void *buf, unsigned long count) -{ - outsw((unsigned long __force)port, buf, count); -} - -static inline void iowrite32_rep(void __iomem *port, const void *buf, unsigned long count) -{ - outsl((unsigned long __force)port, buf, count); -} +void iounmap(volatile void __iomem *addr); /* Create a virtual mapping cookie for an IO port range */ -extern void __iomem *ioport_map(unsigned long port, unsigned int nr); -extern void ioport_unmap(void __iomem *); +void __iomem *ioport_map(unsigned long port, unsigned int nr); +void ioport_unmap(void __iomem *); /* Create a virtual mapping cookie for a PCI BAR (memory or IO) */ struct pci_dev; -extern void __iomem *pci_iomap(struct pci_dev *dev, int bar, unsigned long max); -extern void pci_iounmap(struct pci_dev *dev, void __iomem *); +void pci_iounmap(struct pci_dev *dev, void __iomem *); -/* - * Bus number may be in res->flags... somewhere. - */ -extern void __iomem *sbus_ioremap(struct resource *res, unsigned long offset, - unsigned long size, char *name); -extern void sbus_iounmap(volatile void __iomem *vaddr, unsigned long size); /* @@ -308,19 +153,20 @@ extern void sbus_iounmap(volatile void __iomem *vaddr, unsigned long size); #define RTC_PORT(x) (rtc_port + (x)) #define RTC_ALWAYS_BCD 0 +static inline int sbus_can_dma_64bit(void) +{ + return 0; /* actually, sparc_cpu_model==sun4d */ +} +static inline int sbus_can_burst64(void) +{ + return 0; /* actually, sparc_cpu_model==sun4d */ +} +struct device; +void sbus_set_sbus64(struct device *, int); + #endif #define __ARCH_HAS_NO_PAGE_ZERO_MAPPED 1 -/* - * Convert a physical pointer to a virtual kernel pointer for /dev/mem - * access - */ -#define xlate_dev_mem_ptr(p) __va(p) - -/* - * Convert a virtual cached pointer to an uncached pointer - */ -#define xlate_dev_kmem_ptr(p) p #endif /* !(__SPARC_IO_H) */ diff --git a/arch/sparc/include/asm/io_64.h b/arch/sparc/include/asm/io_64.h index 0bff078ffdd..05381c3a422 100644 --- a/arch/sparc/include/asm/io_64.h +++ b/arch/sparc/include/asm/io_64.h @@ -6,8 +6,8 @@ #include <linux/types.h> #include <asm/page.h> /* IO address mapping routines need this */ -#include <asm/system.h> #include <asm/asi.h> +#include <asm-generic/pci_iomap.h> /* PC crapola... */ #define __SLOW_DOWN_IO do { } while (0) @@ -15,7 +15,6 @@ /* BIO layer definitions. */ extern unsigned long kern_base, kern_size; -#define page_to_phys(page) (page_to_pfn(page) << PAGE_SHIFT) static inline u8 _inb(unsigned long addr) { @@ -91,12 +90,12 @@ static inline void _outl(u32 l, unsigned long addr) #define inl_p(__addr) inl(__addr) #define outl_p(__l, __addr) outl(__l, __addr) -extern void outsb(unsigned long, const void *, unsigned long); -extern void outsw(unsigned long, const void *, unsigned long); -extern void outsl(unsigned long, const void *, unsigned long); -extern void insb(unsigned long, void *, unsigned long); -extern void insw(unsigned long, void *, unsigned long); -extern void insl(unsigned long, void *, unsigned long); +void outsb(unsigned long, const void *, unsigned long); +void outsw(unsigned long, const void *, unsigned long); +void outsl(unsigned long, const void *, unsigned long); +void insb(unsigned long, void *, unsigned long); +void insw(unsigned long, void *, unsigned long); +void insl(unsigned long, void *, unsigned long); static inline void ioread8_rep(void __iomem *port, void *buf, unsigned long count) { @@ -419,6 +418,21 @@ _memset_io(volatile void __iomem *dst, int c, __kernel_size_t n) #define memset_io(d,c,sz) _memset_io(d,c,sz) static inline void +_sbus_memcpy_fromio(void *dst, const volatile void __iomem *src, + __kernel_size_t n) +{ + char *d = dst; + + while (n--) { + char tmp = sbus_readb(src); + *d++ = tmp; + src++; + } +} + +#define sbus_memcpy_fromio(d, s, sz) _sbus_memcpy_fromio(d, s, sz) + +static inline void _memcpy_fromio(void *dst, const volatile void __iomem *src, __kernel_size_t n) { char *d = dst; @@ -433,6 +447,22 @@ _memcpy_fromio(void *dst, const volatile void __iomem *src, __kernel_size_t n) #define memcpy_fromio(d,s,sz) _memcpy_fromio(d,s,sz) static inline void +_sbus_memcpy_toio(volatile void __iomem *dst, const void *src, + __kernel_size_t n) +{ + const char *s = src; + volatile void __iomem *d = dst; + + while (n--) { + char tmp = *s++; + sbus_writeb(tmp, d); + d++; + } +} + +#define sbus_memcpy_toio(d, s, sz) _sbus_memcpy_toio(d, s, sz) + +static inline void _memcpy_toio(volatile void __iomem *dst, const void *src, __kernel_size_t n) { const char *s = src; @@ -468,32 +498,33 @@ static inline void iounmap(volatile void __iomem *addr) #define ioread8(X) readb(X) #define ioread16(X) readw(X) +#define ioread16be(X) __raw_readw(X) #define ioread32(X) readl(X) +#define ioread32be(X) __raw_readl(X) #define iowrite8(val,X) writeb(val,X) #define iowrite16(val,X) writew(val,X) +#define iowrite16be(val,X) __raw_writew(val,X) #define iowrite32(val,X) writel(val,X) +#define iowrite32be(val,X) __raw_writel(val,X) /* Create a virtual mapping cookie for an IO port range */ -extern void __iomem *ioport_map(unsigned long port, unsigned int nr); -extern void ioport_unmap(void __iomem *); +void __iomem *ioport_map(unsigned long port, unsigned int nr); +void ioport_unmap(void __iomem *); /* Create a virtual mapping cookie for a PCI BAR (memory or IO) */ struct pci_dev; -extern void __iomem *pci_iomap(struct pci_dev *dev, int bar, unsigned long max); -extern void pci_iounmap(struct pci_dev *dev, void __iomem *); - -/* Similarly for SBUS. */ -#define sbus_ioremap(__res, __offset, __size, __name) \ -({ unsigned long __ret; \ - __ret = (__res)->start + (((__res)->flags & 0x1ffUL) << 32UL); \ - __ret += (unsigned long) (__offset); \ - if (! request_region((__ret), (__size), (__name))) \ - __ret = 0UL; \ - (void __iomem *) __ret; \ -}) - -#define sbus_iounmap(__addr, __size) \ - release_region((unsigned long)(__addr), (__size)) +void pci_iounmap(struct pci_dev *dev, void __iomem *); + +static inline int sbus_can_dma_64bit(void) +{ + return 1; +} +static inline int sbus_can_burst64(void) +{ + return 1; +} +struct device; +void sbus_set_sbus64(struct device *, int); /* * Convert a physical pointer to a virtual kernel pointer for /dev/mem diff --git a/arch/sparc/include/asm/ioctl.h b/arch/sparc/include/asm/ioctl.h deleted file mode 100644 index 7d6bd51321b..00000000000 --- a/arch/sparc/include/asm/ioctl.h +++ /dev/null @@ -1,67 +0,0 @@ -#ifndef _SPARC_IOCTL_H -#define _SPARC_IOCTL_H - -/* - * Our DIR and SIZE overlap in order to simulteneously provide - * a non-zero _IOC_NONE (for binary compatibility) and - * 14 bits of size as on i386. Here's the layout: - * - * 0xE0000000 DIR - * 0x80000000 DIR = WRITE - * 0x40000000 DIR = READ - * 0x20000000 DIR = NONE - * 0x3FFF0000 SIZE (overlaps NONE bit) - * 0x0000FF00 TYPE - * 0x000000FF NR (CMD) - */ - -#define _IOC_NRBITS 8 -#define _IOC_TYPEBITS 8 -#define _IOC_SIZEBITS 13 /* Actually 14, see below. */ -#define _IOC_DIRBITS 3 - -#define _IOC_NRMASK ((1 << _IOC_NRBITS)-1) -#define _IOC_TYPEMASK ((1 << _IOC_TYPEBITS)-1) -#define _IOC_SIZEMASK ((1 << _IOC_SIZEBITS)-1) -#define _IOC_XSIZEMASK ((1 << (_IOC_SIZEBITS+1))-1) -#define _IOC_DIRMASK ((1 << _IOC_DIRBITS)-1) - -#define _IOC_NRSHIFT 0 -#define _IOC_TYPESHIFT (_IOC_NRSHIFT + _IOC_NRBITS) -#define _IOC_SIZESHIFT (_IOC_TYPESHIFT + _IOC_TYPEBITS) -#define _IOC_DIRSHIFT (_IOC_SIZESHIFT + _IOC_SIZEBITS) - -#define _IOC_NONE 1U -#define _IOC_READ 2U -#define _IOC_WRITE 4U - -#define _IOC(dir,type,nr,size) \ - (((dir) << _IOC_DIRSHIFT) | \ - ((type) << _IOC_TYPESHIFT) | \ - ((nr) << _IOC_NRSHIFT) | \ - ((size) << _IOC_SIZESHIFT)) - -#define _IO(type,nr) _IOC(_IOC_NONE,(type),(nr),0) -#define _IOR(type,nr,size) _IOC(_IOC_READ,(type),(nr),sizeof(size)) -#define _IOW(type,nr,size) _IOC(_IOC_WRITE,(type),(nr),sizeof(size)) -#define _IOWR(type,nr,size) _IOC(_IOC_READ|_IOC_WRITE,(type),(nr),sizeof(size)) - -/* Used to decode ioctl numbers in drivers despite the leading underscore... */ -#define _IOC_DIR(nr) \ - ( (((((nr) >> _IOC_DIRSHIFT) & _IOC_DIRMASK) & (_IOC_WRITE|_IOC_READ)) != 0)? \ - (((nr) >> _IOC_DIRSHIFT) & (_IOC_WRITE|_IOC_READ)): \ - (((nr) >> _IOC_DIRSHIFT) & _IOC_DIRMASK) ) -#define _IOC_TYPE(nr) (((nr) >> _IOC_TYPESHIFT) & _IOC_TYPEMASK) -#define _IOC_NR(nr) (((nr) >> _IOC_NRSHIFT) & _IOC_NRMASK) -#define _IOC_SIZE(nr) \ - ((((((nr) >> _IOC_DIRSHIFT) & _IOC_DIRMASK) & (_IOC_WRITE|_IOC_READ)) == 0)? \ - 0: (((nr) >> _IOC_SIZESHIFT) & _IOC_XSIZEMASK)) - -/* ...and for the PCMCIA and sound. */ -#define IOC_IN (_IOC_WRITE << _IOC_DIRSHIFT) -#define IOC_OUT (_IOC_READ << _IOC_DIRSHIFT) -#define IOC_INOUT ((_IOC_WRITE|_IOC_READ) << _IOC_DIRSHIFT) -#define IOCSIZE_MASK (_IOC_XSIZEMASK << _IOC_SIZESHIFT) -#define IOCSIZE_SHIFT (_IOC_SIZESHIFT) - -#endif /* !(_SPARC_IOCTL_H) */ diff --git a/arch/sparc/include/asm/ioctls.h b/arch/sparc/include/asm/ioctls.h index 1fe6855c5c1..77413b7e3a1 100644 --- a/arch/sparc/include/asm/ioctls.h +++ b/arch/sparc/include/asm/ioctls.h @@ -1,120 +1,8 @@ #ifndef _ASM_SPARC_IOCTLS_H #define _ASM_SPARC_IOCTLS_H -#include <asm/ioctl.h> +#include <uapi/asm/ioctls.h> -/* Big T */ -#define TCGETA _IOR('T', 1, struct termio) -#define TCSETA _IOW('T', 2, struct termio) -#define TCSETAW _IOW('T', 3, struct termio) -#define TCSETAF _IOW('T', 4, struct termio) -#define TCSBRK _IO('T', 5) -#define TCXONC _IO('T', 6) -#define TCFLSH _IO('T', 7) -#define TCGETS _IOR('T', 8, struct termios) -#define TCSETS _IOW('T', 9, struct termios) -#define TCSETSW _IOW('T', 10, struct termios) -#define TCSETSF _IOW('T', 11, struct termios) -#define TCGETS2 _IOR('T', 12, struct termios2) -#define TCSETS2 _IOW('T', 13, struct termios2) -#define TCSETSW2 _IOW('T', 14, struct termios2) -#define TCSETSF2 _IOW('T', 15, struct termios2) - -/* Note that all the ioctls that are not available in Linux have a - * double underscore on the front to: a) avoid some programs to - * think we support some ioctls under Linux (autoconfiguration stuff) - */ -/* Little t */ -#define TIOCGETD _IOR('t', 0, int) -#define TIOCSETD _IOW('t', 1, int) -#define __TIOCHPCL _IO('t', 2) /* SunOS Specific */ -#define __TIOCMODG _IOR('t', 3, int) /* SunOS Specific */ -#define __TIOCMODS _IOW('t', 4, int) /* SunOS Specific */ -#define __TIOCGETP _IOR('t', 8, struct sgttyb) /* SunOS Specific */ -#define __TIOCSETP _IOW('t', 9, struct sgttyb) /* SunOS Specific */ -#define __TIOCSETN _IOW('t', 10, struct sgttyb) /* SunOS Specific */ -#define TIOCEXCL _IO('t', 13) -#define TIOCNXCL _IO('t', 14) -#define __TIOCFLUSH _IOW('t', 16, int) /* SunOS Specific */ -#define __TIOCSETC _IOW('t', 17, struct tchars) /* SunOS Specific */ -#define __TIOCGETC _IOR('t', 18, struct tchars) /* SunOS Specific */ -#define __TIOCTCNTL _IOW('t', 32, int) /* SunOS Specific */ -#define __TIOCSIGNAL _IOW('t', 33, int) /* SunOS Specific */ -#define __TIOCSETX _IOW('t', 34, int) /* SunOS Specific */ -#define __TIOCGETX _IOR('t', 35, int) /* SunOS Specific */ -#define TIOCCONS _IO('t', 36) -#define TIOCGSOFTCAR _IOR('t', 100, int) -#define TIOCSSOFTCAR _IOW('t', 101, int) -#define __TIOCUCNTL _IOW('t', 102, int) /* SunOS Specific */ -#define TIOCSWINSZ _IOW('t', 103, struct winsize) -#define TIOCGWINSZ _IOR('t', 104, struct winsize) -#define __TIOCREMOTE _IOW('t', 105, int) /* SunOS Specific */ -#define TIOCMGET _IOR('t', 106, int) -#define TIOCMBIC _IOW('t', 107, int) -#define TIOCMBIS _IOW('t', 108, int) -#define TIOCMSET _IOW('t', 109, int) -#define TIOCSTART _IO('t', 110) -#define TIOCSTOP _IO('t', 111) -#define TIOCPKT _IOW('t', 112, int) -#define TIOCNOTTY _IO('t', 113) -#define TIOCSTI _IOW('t', 114, char) -#define TIOCOUTQ _IOR('t', 115, int) -#define __TIOCGLTC _IOR('t', 116, struct ltchars) /* SunOS Specific */ -#define __TIOCSLTC _IOW('t', 117, struct ltchars) /* SunOS Specific */ -/* 118 is the non-posix setpgrp tty ioctl */ -/* 119 is the non-posix getpgrp tty ioctl */ -#define __TIOCCDTR _IO('t', 120) /* SunOS Specific */ -#define __TIOCSDTR _IO('t', 121) /* SunOS Specific */ -#define TIOCCBRK _IO('t', 122) -#define TIOCSBRK _IO('t', 123) -#define __TIOCLGET _IOW('t', 124, int) /* SunOS Specific */ -#define __TIOCLSET _IOW('t', 125, int) /* SunOS Specific */ -#define __TIOCLBIC _IOW('t', 126, int) /* SunOS Specific */ -#define __TIOCLBIS _IOW('t', 127, int) /* SunOS Specific */ -#define __TIOCISPACE _IOR('t', 128, int) /* SunOS Specific */ -#define __TIOCISIZE _IOR('t', 129, int) /* SunOS Specific */ -#define TIOCSPGRP _IOW('t', 130, int) -#define TIOCGPGRP _IOR('t', 131, int) -#define TIOCSCTTY _IO('t', 132) -#define TIOCGSID _IOR('t', 133, int) -/* Get minor device of a pty master's FD -- Solaris equiv is ISPTM */ -#define TIOCGPTN _IOR('t', 134, unsigned int) /* Get Pty Number */ -#define TIOCSPTLCK _IOW('t', 135, int) /* Lock/unlock PTY */ - -/* Little f */ -#define FIOCLEX _IO('f', 1) -#define FIONCLEX _IO('f', 2) -#define FIOASYNC _IOW('f', 125, int) -#define FIONBIO _IOW('f', 126, int) -#define FIONREAD _IOR('f', 127, int) -#define TIOCINQ FIONREAD -#define FIOQSIZE _IOR('f', 128, loff_t) - -/* SCARY Rutgers local SunOS kernel hackery, perhaps I will support it - * someday. This is completely bogus, I know... - */ -#define __TCGETSTAT _IO('T', 200) /* Rutgers specific */ -#define __TCSETSTAT _IO('T', 201) /* Rutgers specific */ - -/* Linux specific, no SunOS equivalent. */ -#define TIOCLINUX 0x541C -#define TIOCGSERIAL 0x541E -#define TIOCSSERIAL 0x541F -#define TCSBRKP 0x5425 -#define TIOCSERCONFIG 0x5453 -#define TIOCSERGWILD 0x5454 -#define TIOCSERSWILD 0x5455 -#define TIOCGLCKTRMIOS 0x5456 -#define TIOCSLCKTRMIOS 0x5457 -#define TIOCSERGSTRUCT 0x5458 /* For debugging only */ -#define TIOCSERGETLSR 0x5459 /* Get line status register */ -#define TIOCSERGETMULTI 0x545A /* Get multiport config */ -#define TIOCSERSETMULTI 0x545B /* Set multiport config */ -#define TIOCMIWAIT 0x545C /* Wait for change on serial input line(s) */ -#define TIOCGICOUNT 0x545D /* Read serial port inline interrupt counts */ - -/* Kernel definitions */ -#ifdef __KERNEL__ #define TIOCGETC __TIOCGETC #define TIOCGETP __TIOCGETP #define TIOCGLTC __TIOCGLTC @@ -122,15 +10,4 @@ #define TIOCSETP __TIOCSETP #define TIOCSETN __TIOCSETN #define TIOCSETC __TIOCSETC -#endif - -/* Used for packet mode */ -#define TIOCPKT_DATA 0 -#define TIOCPKT_FLUSHREAD 1 -#define TIOCPKT_FLUSHWRITE 2 -#define TIOCPKT_STOP 4 -#define TIOCPKT_START 8 -#define TIOCPKT_NOSTOP 16 -#define TIOCPKT_DOSTOP 32 - #endif /* !(_ASM_SPARC_IOCTLS_H) */ diff --git a/arch/sparc/include/asm/iommu_32.h b/arch/sparc/include/asm/iommu_32.h index 70c589c05a1..f6c066b52fd 100644 --- a/arch/sparc/include/asm/iommu_32.h +++ b/arch/sparc/include/asm/iommu_32.h @@ -99,7 +99,7 @@ struct iommu_regs { #define IOPTE_WAZ 0x00000001 /* Write as zeros */ struct iommu_struct { - struct iommu_regs *regs; + struct iommu_regs __iomem *regs; iopte_t *page_table; /* For convenience */ unsigned long start; /* First managed virtual address */ @@ -108,14 +108,14 @@ struct iommu_struct { struct bit_map usemap; }; -static inline void iommu_invalidate(struct iommu_regs *regs) +static inline void iommu_invalidate(struct iommu_regs __iomem *regs) { - regs->tlbflush = 0; + sbus_writel(0, ®s->tlbflush); } -static inline void iommu_invalidate_page(struct iommu_regs *regs, unsigned long ba) +static inline void iommu_invalidate_page(struct iommu_regs __iomem *regs, unsigned long ba) { - regs->pageflush = (ba & PAGE_MASK); + sbus_writel(ba & PAGE_MASK, ®s->pageflush); } #endif /* !(_SPARC_IOMMU_H) */ diff --git a/arch/sparc/include/asm/iommu_64.h b/arch/sparc/include/asm/iommu_64.h index d7b9afcba08..2b9321ab064 100644 --- a/arch/sparc/include/asm/iommu_64.h +++ b/arch/sparc/include/asm/iommu_64.h @@ -48,6 +48,9 @@ struct strbuf { unsigned long strbuf_control; unsigned long strbuf_pflush; unsigned long strbuf_fsync; + unsigned long strbuf_err_stat; + unsigned long strbuf_tag_diag; + unsigned long strbuf_line_diag; unsigned long strbuf_ctxflush; unsigned long strbuf_ctxmatch_base; unsigned long strbuf_flushflag_pa; @@ -55,8 +58,8 @@ struct strbuf { volatile unsigned long __flushflag_buf[(64+(64-1)) / sizeof(long)]; }; -extern int iommu_table_init(struct iommu *iommu, int tsbsize, - u32 dma_offset, u32 dma_addr_mask, - int numa_node); +int iommu_table_init(struct iommu *iommu, int tsbsize, + u32 dma_offset, u32 dma_addr_mask, + int numa_node); #endif /* !(_SPARC64_IOMMU_H) */ diff --git a/arch/sparc/include/asm/ipcbuf.h b/arch/sparc/include/asm/ipcbuf.h deleted file mode 100644 index 17d6ef7b23a..00000000000 --- a/arch/sparc/include/asm/ipcbuf.h +++ /dev/null @@ -1,8 +0,0 @@ -#ifndef ___ASM_SPARC_IPCBUF_H -#define ___ASM_SPARC_IPCBUF_H -#if defined(__sparc__) && defined(__arch64__) -#include <asm/ipcbuf_64.h> -#else -#include <asm/ipcbuf_32.h> -#endif -#endif diff --git a/arch/sparc/include/asm/ipcbuf_32.h b/arch/sparc/include/asm/ipcbuf_32.h deleted file mode 100644 index 6387209518f..00000000000 --- a/arch/sparc/include/asm/ipcbuf_32.h +++ /dev/null @@ -1,31 +0,0 @@ -#ifndef _SPARC_IPCBUF_H -#define _SPARC_IPCBUF_H - -/* - * The ipc64_perm structure for sparc architecture. - * Note extra padding because this structure is passed back and forth - * between kernel and user space. - * - * Pad space is left for: - * - 32-bit mode - * - 32-bit seq - * - 2 miscellaneous 64-bit values (so that this structure matches - * sparc64 ipc64_perm) - */ - -struct ipc64_perm -{ - __kernel_key_t key; - __kernel_uid32_t uid; - __kernel_gid32_t gid; - __kernel_uid32_t cuid; - __kernel_gid32_t cgid; - unsigned short __pad1; - __kernel_mode_t mode; - unsigned short __pad2; - unsigned short seq; - unsigned long long __unused1; - unsigned long long __unused2; -}; - -#endif /* _SPARC_IPCBUF_H */ diff --git a/arch/sparc/include/asm/ipcbuf_64.h b/arch/sparc/include/asm/ipcbuf_64.h deleted file mode 100644 index a44b855b98d..00000000000 --- a/arch/sparc/include/asm/ipcbuf_64.h +++ /dev/null @@ -1,28 +0,0 @@ -#ifndef _SPARC64_IPCBUF_H -#define _SPARC64_IPCBUF_H - -/* - * The ipc64_perm structure for sparc64 architecture. - * Note extra padding because this structure is passed back and forth - * between kernel and user space. - * - * Pad space is left for: - * - 32-bit seq - * - 2 miscellaneous 64-bit values - */ - -struct ipc64_perm -{ - __kernel_key_t key; - __kernel_uid_t uid; - __kernel_gid_t gid; - __kernel_uid_t cuid; - __kernel_gid_t cgid; - __kernel_mode_t mode; - unsigned short __pad1; - unsigned short seq; - unsigned long __unused1; - unsigned long __unused2; -}; - -#endif /* _SPARC64_IPCBUF_H */ diff --git a/arch/sparc/include/asm/irq_32.h b/arch/sparc/include/asm/irq_32.h index fe205cc444b..eecd3d8442c 100644 --- a/arch/sparc/include/asm/irq_32.h +++ b/arch/sparc/include/asm/irq_32.h @@ -6,10 +6,19 @@ #ifndef _SPARC_IRQ_H #define _SPARC_IRQ_H -#include <linux/interrupt.h> +/* Allocated number of logical irq numbers. + * sun4d boxes (ss2000e) should be OK with ~32. + * Be on the safe side and make room for 64 + */ +#define NR_IRQS 64 -#define NR_IRQS 16 +#include <linux/interrupt.h> #define irq_canonicalize(irq) (irq) +void __init init_IRQ(void); +void __init sun4d_init_sbi_irq(void); + +#define NO_IRQ 0xffffffff + #endif diff --git a/arch/sparc/include/asm/irq_64.h b/arch/sparc/include/asm/irq_64.h index e3dd9303643..91d21938130 100644 --- a/arch/sparc/include/asm/irq_64.h +++ b/arch/sparc/include/asm/irq_64.h @@ -33,39 +33,38 @@ /* The largest number of unique interrupt sources we support. * If this needs to ever be larger than 255, you need to change - * the type of ino_bucket->virt_irq as appropriate. + * the type of ino_bucket->irq as appropriate. * - * ino_bucket->virt_irq allocation is made during {sun4v_,}build_irq(). + * ino_bucket->irq allocation is made during {sun4v_,}build_irq(). */ #define NR_IRQS 255 -extern void irq_install_pre_handler(int virt_irq, - void (*func)(unsigned int, void *, void *), - void *arg1, void *arg2); +void irq_install_pre_handler(int irq, + void (*func)(unsigned int, void *, void *), + void *arg1, void *arg2); #define irq_canonicalize(irq) (irq) -extern unsigned int build_irq(int inofixup, unsigned long iclr, unsigned long imap); -extern unsigned int sun4v_build_irq(u32 devhandle, unsigned int devino); -extern unsigned int sun4v_build_virq(u32 devhandle, unsigned int devino); -extern unsigned int sun4v_build_msi(u32 devhandle, unsigned int *virt_irq_p, - unsigned int msi_devino_start, - unsigned int msi_devino_end); -extern void sun4v_destroy_msi(unsigned int virt_irq); -extern unsigned int sun4u_build_msi(u32 portid, unsigned int *virt_irq_p, - unsigned int msi_devino_start, - unsigned int msi_devino_end, - unsigned long imap_base, - unsigned long iclr_base); -extern void sun4u_destroy_msi(unsigned int virt_irq); -extern unsigned int sbus_build_irq(void *sbus, unsigned int ino); - -extern unsigned char virt_irq_alloc(unsigned int dev_handle, - unsigned int dev_ino); +unsigned int build_irq(int inofixup, unsigned long iclr, unsigned long imap); +unsigned int sun4v_build_irq(u32 devhandle, unsigned int devino); +unsigned int sun4v_build_virq(u32 devhandle, unsigned int devino); +unsigned int sun4v_build_msi(u32 devhandle, unsigned int *irq_p, + unsigned int msi_devino_start, + unsigned int msi_devino_end); +void sun4v_destroy_msi(unsigned int irq); +unsigned int sun4u_build_msi(u32 portid, unsigned int *irq_p, + unsigned int msi_devino_start, + unsigned int msi_devino_end, + unsigned long imap_base, + unsigned long iclr_base); +void sun4u_destroy_msi(unsigned int irq); + +unsigned char irq_alloc(unsigned int dev_handle, + unsigned int dev_ino); #ifdef CONFIG_PCI_MSI -extern void virt_irq_free(unsigned int virt_irq); +void irq_free(unsigned int irq); #endif -extern void __init init_IRQ(void); -extern void fixup_irqs(void); +void __init init_IRQ(void); +void fixup_irqs(void); static inline void set_softint(unsigned long bits) { @@ -90,11 +89,13 @@ static inline unsigned long get_softint(void) return retval; } -void __trigger_all_cpu_backtrace(void); -#define trigger_all_cpu_backtrace() __trigger_all_cpu_backtrace() +void arch_trigger_all_cpu_backtrace(bool); +#define arch_trigger_all_cpu_backtrace arch_trigger_all_cpu_backtrace extern void *hardirq_stack[NR_CPUS]; extern void *softirq_stack[NR_CPUS]; #define __ARCH_HAS_DO_SOFTIRQ +#define NO_IRQ 0xffffffff + #endif diff --git a/arch/sparc/include/asm/irq_regs.h b/arch/sparc/include/asm/irq_regs.h deleted file mode 100644 index 3dd9c0b7027..00000000000 --- a/arch/sparc/include/asm/irq_regs.h +++ /dev/null @@ -1 +0,0 @@ -#include <asm-generic/irq_regs.h> diff --git a/arch/sparc/include/asm/irqflags_32.h b/arch/sparc/include/asm/irqflags_32.h index 0fca9d97d44..71cc284f55c 100644 --- a/arch/sparc/include/asm/irqflags_32.h +++ b/arch/sparc/include/asm/irqflags_32.h @@ -5,33 +5,41 @@ * * This file gets included from lowlevel asm headers too, to provide * wrapped versions of the local_irq_*() APIs, based on the - * raw_local_irq_*() functions from the lowlevel headers. + * arch_local_irq_*() functions from the lowlevel headers. */ #ifndef _ASM_IRQFLAGS_H #define _ASM_IRQFLAGS_H #ifndef __ASSEMBLY__ -extern void raw_local_irq_restore(unsigned long); -extern unsigned long __raw_local_irq_save(void); -extern void raw_local_irq_enable(void); +#include <linux/types.h> +#include <asm/psr.h> -static inline unsigned long getipl(void) +void arch_local_irq_restore(unsigned long); +unsigned long arch_local_irq_save(void); +void arch_local_irq_enable(void); + +static inline notrace unsigned long arch_local_save_flags(void) { - unsigned long retval; + unsigned long flags; + + asm volatile("rd %%psr, %0" : "=r" (flags)); + return flags; +} - __asm__ __volatile__("rd %%psr, %0" : "=r" (retval)); - return retval; +static inline notrace void arch_local_irq_disable(void) +{ + arch_local_irq_save(); } -#define raw_local_save_flags(flags) ((flags) = getipl()) -#define raw_local_irq_save(flags) ((flags) = __raw_local_irq_save()) -#define raw_local_irq_disable() ((void) __raw_local_irq_save()) -#define raw_irqs_disabled() ((getipl() & PSR_PIL) != 0) +static inline notrace bool arch_irqs_disabled_flags(unsigned long flags) +{ + return (flags & PSR_PIL) != 0; +} -static inline int raw_irqs_disabled_flags(unsigned long flags) +static inline notrace bool arch_irqs_disabled(void) { - return ((flags & PSR_PIL) != 0); + return arch_irqs_disabled_flags(arch_local_save_flags()); } #endif /* (__ASSEMBLY__) */ diff --git a/arch/sparc/include/asm/irqflags_64.h b/arch/sparc/include/asm/irqflags_64.h index bb42e59162a..23cd27f6beb 100644 --- a/arch/sparc/include/asm/irqflags_64.h +++ b/arch/sparc/include/asm/irqflags_64.h @@ -5,14 +5,16 @@ * * This file gets included from lowlevel asm headers too, to provide * wrapped versions of the local_irq_*() APIs, based on the - * raw_local_irq_*() functions from the lowlevel headers. + * arch_local_irq_*() functions from the lowlevel headers. */ #ifndef _ASM_IRQFLAGS_H #define _ASM_IRQFLAGS_H +#include <asm/pil.h> + #ifndef __ASSEMBLY__ -static inline unsigned long __raw_local_save_flags(void) +static inline notrace unsigned long arch_local_save_flags(void) { unsigned long flags; @@ -24,10 +26,7 @@ static inline unsigned long __raw_local_save_flags(void) return flags; } -#define raw_local_save_flags(flags) \ - do { (flags) = __raw_local_save_flags(); } while (0) - -static inline void raw_local_irq_restore(unsigned long flags) +static inline notrace void arch_local_irq_restore(unsigned long flags) { __asm__ __volatile__( "wrpr %0, %%pil" @@ -37,17 +36,17 @@ static inline void raw_local_irq_restore(unsigned long flags) ); } -static inline void raw_local_irq_disable(void) +static inline notrace void arch_local_irq_disable(void) { __asm__ __volatile__( - "wrpr 15, %%pil" + "wrpr %0, %%pil" : /* no outputs */ - : /* no inputs */ + : "i" (PIL_NORMAL_MAX) : "memory" ); } -static inline void raw_local_irq_enable(void) +static inline notrace void arch_local_irq_enable(void) { __asm__ __volatile__( "wrpr 0, %%pil" @@ -57,33 +56,42 @@ static inline void raw_local_irq_enable(void) ); } -static inline int raw_irqs_disabled_flags(unsigned long flags) +static inline notrace int arch_irqs_disabled_flags(unsigned long flags) { return (flags > 0); } -static inline int raw_irqs_disabled(void) +static inline notrace int arch_irqs_disabled(void) { - unsigned long flags = __raw_local_save_flags(); - - return raw_irqs_disabled_flags(flags); + return arch_irqs_disabled_flags(arch_local_save_flags()); } -/* - * For spinlocks, etc: - */ -static inline unsigned long __raw_local_irq_save(void) +static inline notrace unsigned long arch_local_irq_save(void) { - unsigned long flags = __raw_local_save_flags(); - - raw_local_irq_disable(); + unsigned long flags, tmp; + + /* Disable interrupts to PIL_NORMAL_MAX unless we already + * are using PIL_NMI, in which case PIL_NMI is retained. + * + * The only values we ever program into the %pil are 0, + * PIL_NORMAL_MAX and PIL_NMI. + * + * Since PIL_NMI is the largest %pil value and all bits are + * set in it (0xf), it doesn't matter what PIL_NORMAL_MAX + * actually is. + */ + __asm__ __volatile__( + "rdpr %%pil, %0\n\t" + "or %0, %2, %1\n\t" + "wrpr %1, 0x0, %%pil" + : "=r" (flags), "=r" (tmp) + : "i" (PIL_NORMAL_MAX) + : "memory" + ); return flags; } -#define raw_local_irq_save(flags) \ - do { (flags) = __raw_local_irq_save(); } while (0) - #endif /* (__ASSEMBLY__) */ #endif /* !(_ASM_IRQFLAGS_H) */ diff --git a/arch/sparc/include/asm/jsflash.h b/arch/sparc/include/asm/jsflash.h deleted file mode 100644 index 3457f29bd73..00000000000 --- a/arch/sparc/include/asm/jsflash.h +++ /dev/null @@ -1,39 +0,0 @@ -/* - * jsflash.h: OS Flash SIMM support for JavaStations. - * - * Copyright (C) 1999 Pete Zaitcev - */ - -#ifndef _SPARC_JSFLASH_H -#define _SPARC_JSFLASH_H - -#ifndef _SPARC_TYPES_H -#include <asm/types.h> -#endif - -/* - * Semantics of the offset is a full address. - * Hardcode it or get it from probe ioctl. - * - * We use full bus address, so that we would be - * automatically compatible with possible future systems. - */ - -#define JSFLASH_IDENT (('F'<<8)|54) -struct jsflash_ident_arg { - __u64 off; /* 0x20000000 is included */ - __u32 size; - char name[32]; /* With trailing zero */ -}; - -#define JSFLASH_ERASE (('F'<<8)|55) -/* Put 0 as argument, may be flags or sector number... */ - -#define JSFLASH_PROGRAM (('F'<<8)|56) -struct jsflash_program_arg { - __u64 data; /* char* for sparc and sparc64 */ - __u64 off; - __u32 size; -}; - -#endif /* _SPARC_JSFLASH_H */ diff --git a/arch/sparc/include/asm/jump_label.h b/arch/sparc/include/asm/jump_label.h new file mode 100644 index 00000000000..ec2e2e2aba7 --- /dev/null +++ b/arch/sparc/include/asm/jump_label.h @@ -0,0 +1,35 @@ +#ifndef _ASM_SPARC_JUMP_LABEL_H +#define _ASM_SPARC_JUMP_LABEL_H + +#ifdef __KERNEL__ + +#include <linux/types.h> + +#define JUMP_LABEL_NOP_SIZE 4 + +static __always_inline bool arch_static_branch(struct static_key *key) +{ + asm_volatile_goto("1:\n\t" + "nop\n\t" + "nop\n\t" + ".pushsection __jump_table, \"aw\"\n\t" + ".align 4\n\t" + ".word 1b, %l[l_yes], %c0\n\t" + ".popsection \n\t" + : : "i" (key) : : l_yes); + return false; +l_yes: + return true; +} + +#endif /* __KERNEL__ */ + +typedef u32 jump_label_t; + +struct jump_entry { + jump_label_t code; + jump_label_t target; + jump_label_t key; +}; + +#endif diff --git a/arch/sparc/include/asm/kdebug_32.h b/arch/sparc/include/asm/kdebug_32.h index f69fe7d84b3..1d0b240222e 100644 --- a/arch/sparc/include/asm/kdebug_32.h +++ b/arch/sparc/include/asm/kdebug_32.h @@ -60,6 +60,7 @@ static inline void sp_enter_debugger(void) enum die_val { DIE_UNUSED, + DIE_OOPS, }; #endif /* !(__ASSEMBLY__) */ diff --git a/arch/sparc/include/asm/kdebug_64.h b/arch/sparc/include/asm/kdebug_64.h index f905b773235..04465de8f3b 100644 --- a/arch/sparc/include/asm/kdebug_64.h +++ b/arch/sparc/include/asm/kdebug_64.h @@ -3,7 +3,7 @@ struct pt_regs; -extern void bad_trap(struct pt_regs *, long); +void bad_trap(struct pt_regs *, long); /* Grossly misnamed. */ enum die_val { @@ -14,6 +14,8 @@ enum die_val { DIE_TRAP, DIE_TRAP_TL1, DIE_CALL, + DIE_NMI, + DIE_NMIWATCHDOG, }; #endif diff --git a/arch/sparc/include/asm/kgdb.h b/arch/sparc/include/asm/kgdb.h index b6ef301d05b..47366af7a58 100644 --- a/arch/sparc/include/asm/kgdb.h +++ b/arch/sparc/include/asm/kgdb.h @@ -28,9 +28,12 @@ enum regnames { #define NUMREGBYTES ((GDB_CSR + 1) * 4) #else #define NUMREGBYTES ((GDB_Y + 1) * 8) + +struct pt_regs; +asmlinkage void kgdb_trap(unsigned long trap_level, struct pt_regs *regs); #endif -extern void arch_kgdb_breakpoint(void); +void arch_kgdb_breakpoint(void); #define BREAK_INSTR_SIZE 4 #define CACHE_FLUSH_IS_SAFE 1 diff --git a/arch/sparc/include/asm/kmap_types.h b/arch/sparc/include/asm/kmap_types.h index 602f5e034f7..aad21745fbb 100644 --- a/arch/sparc/include/asm/kmap_types.h +++ b/arch/sparc/include/asm/kmap_types.h @@ -5,21 +5,6 @@ * is actually used on sparc. -DaveM */ -enum km_type { - KM_BOUNCE_READ, - KM_SKB_SUNRPC_DATA, - KM_SKB_DATA_SOFTIRQ, - KM_USER0, - KM_USER1, - KM_BIO_SRC_IRQ, - KM_BIO_DST_IRQ, - KM_PTE0, - KM_PTE1, - KM_IRQ0, - KM_IRQ1, - KM_SOFTIRQ0, - KM_SOFTIRQ1, - KM_TYPE_NR -}; +#include <asm-generic/kmap_types.h> #endif diff --git a/arch/sparc/include/asm/kprobes.h b/arch/sparc/include/asm/kprobes.h index 5879d71afda..a145d798e11 100644 --- a/arch/sparc/include/asm/kprobes.h +++ b/arch/sparc/include/asm/kprobes.h @@ -43,7 +43,9 @@ struct kprobe_ctlblk { struct prev_kprobe prev_kprobe; }; -extern int kprobe_exceptions_notify(struct notifier_block *self, - unsigned long val, void *data); -extern int kprobe_fault_handler(struct pt_regs *regs, int trapnr); +int kprobe_exceptions_notify(struct notifier_block *self, + unsigned long val, void *data); +int kprobe_fault_handler(struct pt_regs *regs, int trapnr); +asmlinkage void __kprobes kprobe_trap(unsigned long trap_level, + struct pt_regs *regs); #endif /* _SPARC64_KPROBES_H */ diff --git a/arch/sparc/include/asm/ldc.h b/arch/sparc/include/asm/ldc.h index bdb524a7b81..c8c67f621f4 100644 --- a/arch/sparc/include/asm/ldc.h +++ b/arch/sparc/include/asm/ldc.h @@ -4,9 +4,9 @@ #include <asm/hypervisor.h> extern int ldom_domaining_enabled; -extern void ldom_set_var(const char *var, const char *value); -extern void ldom_reboot(const char *boot_command); -extern void ldom_power_off(void); +void ldom_set_var(const char *var, const char *value); +void ldom_reboot(const char *boot_command); +void ldom_power_off(void); /* The event handler will be evoked when link state changes * or data becomes available on the receive side. @@ -51,30 +51,30 @@ struct ldc_channel_config { struct ldc_channel; /* Allocate state for a channel. */ -extern struct ldc_channel *ldc_alloc(unsigned long id, - const struct ldc_channel_config *cfgp, - void *event_arg); +struct ldc_channel *ldc_alloc(unsigned long id, + const struct ldc_channel_config *cfgp, + void *event_arg); /* Shut down and free state for a channel. */ -extern void ldc_free(struct ldc_channel *lp); +void ldc_free(struct ldc_channel *lp); /* Register TX and RX queues of the link with the hypervisor. */ -extern int ldc_bind(struct ldc_channel *lp, const char *name); +int ldc_bind(struct ldc_channel *lp, const char *name); /* For non-RAW protocols we need to complete a handshake before * communication can proceed. ldc_connect() does that, if the * handshake completes successfully, an LDC_EVENT_UP event will * be sent up to the driver. */ -extern int ldc_connect(struct ldc_channel *lp); -extern int ldc_disconnect(struct ldc_channel *lp); +int ldc_connect(struct ldc_channel *lp); +int ldc_disconnect(struct ldc_channel *lp); -extern int ldc_state(struct ldc_channel *lp); +int ldc_state(struct ldc_channel *lp); /* Read and write operations. Only valid when the link is up. */ -extern int ldc_write(struct ldc_channel *lp, const void *buf, - unsigned int size); -extern int ldc_read(struct ldc_channel *lp, void *buf, unsigned int size); +int ldc_write(struct ldc_channel *lp, const void *buf, + unsigned int size); +int ldc_read(struct ldc_channel *lp, void *buf, unsigned int size); #define LDC_MAP_SHADOW 0x01 #define LDC_MAP_DIRECT 0x02 @@ -92,22 +92,22 @@ struct ldc_trans_cookie { }; struct scatterlist; -extern int ldc_map_sg(struct ldc_channel *lp, - struct scatterlist *sg, int num_sg, - struct ldc_trans_cookie *cookies, int ncookies, - unsigned int map_perm); +int ldc_map_sg(struct ldc_channel *lp, + struct scatterlist *sg, int num_sg, + struct ldc_trans_cookie *cookies, int ncookies, + unsigned int map_perm); -extern int ldc_map_single(struct ldc_channel *lp, - void *buf, unsigned int len, - struct ldc_trans_cookie *cookies, int ncookies, - unsigned int map_perm); +int ldc_map_single(struct ldc_channel *lp, + void *buf, unsigned int len, + struct ldc_trans_cookie *cookies, int ncookies, + unsigned int map_perm); -extern void ldc_unmap(struct ldc_channel *lp, struct ldc_trans_cookie *cookies, - int ncookies); +void ldc_unmap(struct ldc_channel *lp, struct ldc_trans_cookie *cookies, + int ncookies); -extern int ldc_copy(struct ldc_channel *lp, int copy_dir, - void *buf, unsigned int len, unsigned long offset, - struct ldc_trans_cookie *cookies, int ncookies); +int ldc_copy(struct ldc_channel *lp, int copy_dir, + void *buf, unsigned int len, unsigned long offset, + struct ldc_trans_cookie *cookies, int ncookies); static inline int ldc_get_dring_entry(struct ldc_channel *lp, void *buf, unsigned int len, @@ -127,12 +127,12 @@ static inline int ldc_put_dring_entry(struct ldc_channel *lp, return ldc_copy(lp, LDC_COPY_OUT, buf, len, offset, cookies, ncookies); } -extern void *ldc_alloc_exp_dring(struct ldc_channel *lp, unsigned int len, - struct ldc_trans_cookie *cookies, - int *ncookies, unsigned int map_perm); +void *ldc_alloc_exp_dring(struct ldc_channel *lp, unsigned int len, + struct ldc_trans_cookie *cookies, + int *ncookies, unsigned int map_perm); -extern void ldc_free_exp_dring(struct ldc_channel *lp, void *buf, - unsigned int len, - struct ldc_trans_cookie *cookies, int ncookies); +void ldc_free_exp_dring(struct ldc_channel *lp, void *buf, + unsigned int len, + struct ldc_trans_cookie *cookies, int ncookies); #endif /* _SPARC64_LDC_H */ diff --git a/arch/sparc/include/asm/leon.h b/arch/sparc/include/asm/leon.h new file mode 100644 index 00000000000..204771cd74a --- /dev/null +++ b/arch/sparc/include/asm/leon.h @@ -0,0 +1,257 @@ +/* + * Copyright (C) 2004 Konrad Eisele (eiselekd@web.de,konrad@gaisler.com) Gaisler Research + * Copyright (C) 2004 Stefan Holst (mail@s-holst.de) Uni-Stuttgart + * Copyright (C) 2009 Daniel Hellstrom (daniel@gaisler.com) Aeroflex Gaisler AB + * Copyright (C) 2009 Konrad Eisele (konrad@gaisler.com) Aeroflex Gaisler AB + */ + +#ifndef LEON_H_INCLUDE +#define LEON_H_INCLUDE + +/* mmu register access, ASI_LEON_MMUREGS */ +#define LEON_CNR_CTRL 0x000 +#define LEON_CNR_CTXP 0x100 +#define LEON_CNR_CTX 0x200 +#define LEON_CNR_F 0x300 +#define LEON_CNR_FADDR 0x400 + +#define LEON_CNR_CTX_NCTX 256 /*number of MMU ctx */ + +#define LEON_CNR_CTRL_TLBDIS 0x80000000 + +#define LEON_MMUTLB_ENT_MAX 64 + +/* + * diagnostic access from mmutlb.vhd: + * 0: pte address + * 4: pte + * 8: additional flags + */ +#define LEON_DIAGF_LVL 0x3 +#define LEON_DIAGF_WR 0x8 +#define LEON_DIAGF_WR_SHIFT 3 +#define LEON_DIAGF_HIT 0x10 +#define LEON_DIAGF_HIT_SHIFT 4 +#define LEON_DIAGF_CTX 0x1fe0 +#define LEON_DIAGF_CTX_SHIFT 5 +#define LEON_DIAGF_VALID 0x2000 +#define LEON_DIAGF_VALID_SHIFT 13 + +/* irq masks */ +#define LEON_HARD_INT(x) (1 << (x)) /* irq 0-15 */ +#define LEON_IRQMASK_R 0x0000fffe /* bit 15- 1 of lregs.irqmask */ +#define LEON_IRQPRIO_R 0xfffe0000 /* bit 31-17 of lregs.irqmask */ + +#define LEON_MCFG2_SRAMDIS 0x00002000 +#define LEON_MCFG2_SDRAMEN 0x00004000 +#define LEON_MCFG2_SRAMBANKSZ 0x00001e00 /* [12-9] */ +#define LEON_MCFG2_SRAMBANKSZ_SHIFT 9 +#define LEON_MCFG2_SDRAMBANKSZ 0x03800000 /* [25-23] */ +#define LEON_MCFG2_SDRAMBANKSZ_SHIFT 23 + +#define LEON_TCNT0_MASK 0x7fffff + + +#define ASI_LEON3_SYSCTRL 0x02 +#define ASI_LEON3_SYSCTRL_ICFG 0x08 +#define ASI_LEON3_SYSCTRL_DCFG 0x0c +#define ASI_LEON3_SYSCTRL_CFG_SNOOPING (1 << 27) +#define ASI_LEON3_SYSCTRL_CFG_SSIZE(c) (1 << ((c >> 20) & 0xf)) + +#ifndef __ASSEMBLY__ + +/* do a physical address bypass write, i.e. for 0x80000000 */ +static inline void leon_store_reg(unsigned long paddr, unsigned long value) +{ + __asm__ __volatile__("sta %0, [%1] %2\n\t" : : "r"(value), "r"(paddr), + "i"(ASI_LEON_BYPASS) : "memory"); +} + +/* do a physical address bypass load, i.e. for 0x80000000 */ +static inline unsigned long leon_load_reg(unsigned long paddr) +{ + unsigned long retval; + __asm__ __volatile__("lda [%1] %2, %0\n\t" : + "=r"(retval) : "r"(paddr), "i"(ASI_LEON_BYPASS)); + return retval; +} + +/* macro access for leon_load_reg() and leon_store_reg() */ +#define LEON3_BYPASS_LOAD_PA(x) (leon_load_reg((unsigned long)(x))) +#define LEON3_BYPASS_STORE_PA(x, v) (leon_store_reg((unsigned long)(x), (unsigned long)(v))) +#define LEON_BYPASS_LOAD_PA(x) leon_load_reg((unsigned long)(x)) +#define LEON_BYPASS_STORE_PA(x, v) leon_store_reg((unsigned long)(x), (unsigned long)(v)) + +void leon_switch_mm(void); +void leon_init_IRQ(void); + +static inline unsigned long sparc_leon3_get_dcachecfg(void) +{ + unsigned int retval; + __asm__ __volatile__("lda [%1] %2, %0\n\t" : + "=r"(retval) : + "r"(ASI_LEON3_SYSCTRL_DCFG), + "i"(ASI_LEON3_SYSCTRL)); + return retval; +} + +/* enable snooping */ +static inline void sparc_leon3_enable_snooping(void) +{ + __asm__ __volatile__ ("lda [%%g0] 2, %%l1\n\t" + "set 0x800000, %%l2\n\t" + "or %%l2, %%l1, %%l2\n\t" + "sta %%l2, [%%g0] 2\n\t" : : : "l1", "l2"); +}; + +static inline int sparc_leon3_snooping_enabled(void) +{ + u32 cctrl; + __asm__ __volatile__("lda [%%g0] 2, %0\n\t" : "=r"(cctrl)); + return ((cctrl >> 23) & 1) && ((cctrl >> 17) & 1); +}; + +static inline void sparc_leon3_disable_cache(void) +{ + __asm__ __volatile__ ("lda [%%g0] 2, %%l1\n\t" + "set 0x00000f, %%l2\n\t" + "andn %%l2, %%l1, %%l2\n\t" + "sta %%l2, [%%g0] 2\n\t" : : : "l1", "l2"); +}; + +static inline unsigned long sparc_leon3_asr17(void) +{ + u32 asr17; + __asm__ __volatile__ ("rd %%asr17, %0\n\t" : "=r"(asr17)); + return asr17; +}; + +static inline int sparc_leon3_cpuid(void) +{ + return sparc_leon3_asr17() >> 28; +} + +#endif /*!__ASSEMBLY__*/ + +#ifdef CONFIG_SMP +# define LEON3_IRQ_IPI_DEFAULT 13 +# define LEON3_IRQ_TICKER (leon3_gptimer_irq) +# define LEON3_IRQ_CROSS_CALL 15 +#endif + +#if defined(PAGE_SIZE_LEON_8K) +#define LEON_PAGE_SIZE_LEON 1 +#elif defined(PAGE_SIZE_LEON_16K) +#define LEON_PAGE_SIZE_LEON 2) +#else +#define LEON_PAGE_SIZE_LEON 0 +#endif + +#if LEON_PAGE_SIZE_LEON == 0 +/* [ 8, 6, 6 ] + 12 */ +#define LEON_PGD_SH 24 +#define LEON_PGD_M 0xff +#define LEON_PMD_SH 18 +#define LEON_PMD_SH_V (LEON_PGD_SH-2) +#define LEON_PMD_M 0x3f +#define LEON_PTE_SH 12 +#define LEON_PTE_M 0x3f +#elif LEON_PAGE_SIZE_LEON == 1 +/* [ 7, 6, 6 ] + 13 */ +#define LEON_PGD_SH 25 +#define LEON_PGD_M 0x7f +#define LEON_PMD_SH 19 +#define LEON_PMD_SH_V (LEON_PGD_SH-1) +#define LEON_PMD_M 0x3f +#define LEON_PTE_SH 13 +#define LEON_PTE_M 0x3f +#elif LEON_PAGE_SIZE_LEON == 2 +/* [ 6, 6, 6 ] + 14 */ +#define LEON_PGD_SH 26 +#define LEON_PGD_M 0x3f +#define LEON_PMD_SH 20 +#define LEON_PMD_SH_V (LEON_PGD_SH-0) +#define LEON_PMD_M 0x3f +#define LEON_PTE_SH 14 +#define LEON_PTE_M 0x3f +#elif LEON_PAGE_SIZE_LEON == 3 +/* [ 4, 7, 6 ] + 15 */ +#define LEON_PGD_SH 28 +#define LEON_PGD_M 0x0f +#define LEON_PMD_SH 21 +#define LEON_PMD_SH_V (LEON_PGD_SH-0) +#define LEON_PMD_M 0x7f +#define LEON_PTE_SH 15 +#define LEON_PTE_M 0x3f +#else +#error cannot determine LEON_PAGE_SIZE_LEON +#endif + +#define LEON3_XCCR_SETS_MASK 0x07000000UL +#define LEON3_XCCR_SSIZE_MASK 0x00f00000UL + +#define LEON2_CCR_DSETS_MASK 0x03000000UL +#define LEON2_CFG_SSIZE_MASK 0x00007000UL + +#ifndef __ASSEMBLY__ +struct vm_area_struct; + +unsigned long leon_swprobe(unsigned long vaddr, unsigned long *paddr); +void leon_flush_icache_all(void); +void leon_flush_dcache_all(void); +void leon_flush_cache_all(void); +void leon_flush_tlb_all(void); +extern int leon_flush_during_switch; +int leon_flush_needed(void); +void leon_flush_pcache_all(struct vm_area_struct *vma, unsigned long page); + +/* struct that hold LEON3 cache configuration registers */ +struct leon3_cacheregs { + unsigned long ccr; /* 0x00 - Cache Control Register */ + unsigned long iccr; /* 0x08 - Instruction Cache Configuration Register */ + unsigned long dccr; /* 0x0c - Data Cache Configuration Register */ +}; + +#include <linux/irq.h> +#include <linux/interrupt.h> + +struct device_node; +struct task_struct; +unsigned int leon_build_device_irq(unsigned int real_irq, + irq_flow_handler_t flow_handler, + const char *name, int do_ack); +void leon_update_virq_handling(unsigned int virq, + irq_flow_handler_t flow_handler, + const char *name, int do_ack); +void leon_init_timers(void); +void leon_trans_init(struct device_node *dp); +void leon_node_init(struct device_node *dp, struct device_node ***nextp); +void init_leon(void); +void poke_leonsparc(void); +void leon3_getCacheRegs(struct leon3_cacheregs *regs); +extern int leon3_ticker_irq; + +#ifdef CONFIG_SMP +int leon_smp_nrcpus(void); +void leon_clear_profile_irq(int cpu); +void leon_smp_done(void); +void leon_boot_cpus(void); +int leon_boot_one_cpu(int i, struct task_struct *); +void leon_init_smp(void); +void leon_enable_irq_cpu(unsigned int irq_nr, unsigned int cpu); +irqreturn_t leon_percpu_timer_interrupt(int irq, void *unused); + +extern unsigned int smpleon_ipi[]; +extern unsigned int linux_trap_ipi15_leon[]; +extern int leon_ipi_irq; + +#endif /* CONFIG_SMP */ + +#endif /* __ASSEMBLY__ */ + +/* macros used in leon_mm.c */ +#define PFN(x) ((x) >> PAGE_SHIFT) +#define _pfn_valid(pfn) ((pfn < last_valid_pfn) && (pfn >= PFN(phys_base))) +#define _SRMMU_PTE_PMASK_LEON 0xffffffff + +#endif diff --git a/arch/sparc/include/asm/leon_amba.h b/arch/sparc/include/asm/leon_amba.h new file mode 100644 index 00000000000..24ec48c3ff9 --- /dev/null +++ b/arch/sparc/include/asm/leon_amba.h @@ -0,0 +1,266 @@ +/* +*Copyright (C) 2004 Konrad Eisele (eiselekd@web.de,konrad@gaisler.com), Gaisler Research +*Copyright (C) 2004 Stefan Holst (mail@s-holst.de), Uni-Stuttgart +*Copyright (C) 2009 Daniel Hellstrom (daniel@gaisler.com),Konrad Eisele (konrad@gaisler.com) Aeroflex Gaisler AB +*/ + +#ifndef LEON_AMBA_H_INCLUDE +#define LEON_AMBA_H_INCLUDE + +#ifndef __ASSEMBLY__ + +struct amba_prom_registers { + unsigned int phys_addr; /* The physical address of this register */ + unsigned int reg_size; /* How many bytes does this register take up? */ +}; + +#endif + +/* + * The following defines the bits in the LEON UART Status Registers. + */ + +#define LEON_REG_UART_STATUS_DR 0x00000001 /* Data Ready */ +#define LEON_REG_UART_STATUS_TSE 0x00000002 /* TX Send Register Empty */ +#define LEON_REG_UART_STATUS_THE 0x00000004 /* TX Hold Register Empty */ +#define LEON_REG_UART_STATUS_BR 0x00000008 /* Break Error */ +#define LEON_REG_UART_STATUS_OE 0x00000010 /* RX Overrun Error */ +#define LEON_REG_UART_STATUS_PE 0x00000020 /* RX Parity Error */ +#define LEON_REG_UART_STATUS_FE 0x00000040 /* RX Framing Error */ +#define LEON_REG_UART_STATUS_ERR 0x00000078 /* Error Mask */ + +/* + * The following defines the bits in the LEON UART Ctrl Registers. + */ + +#define LEON_REG_UART_CTRL_RE 0x00000001 /* Receiver enable */ +#define LEON_REG_UART_CTRL_TE 0x00000002 /* Transmitter enable */ +#define LEON_REG_UART_CTRL_RI 0x00000004 /* Receiver interrupt enable */ +#define LEON_REG_UART_CTRL_TI 0x00000008 /* Transmitter irq */ +#define LEON_REG_UART_CTRL_PS 0x00000010 /* Parity select */ +#define LEON_REG_UART_CTRL_PE 0x00000020 /* Parity enable */ +#define LEON_REG_UART_CTRL_FL 0x00000040 /* Flow control enable */ +#define LEON_REG_UART_CTRL_LB 0x00000080 /* Loop Back enable */ + +#define LEON3_GPTIMER_EN 1 +#define LEON3_GPTIMER_RL 2 +#define LEON3_GPTIMER_LD 4 +#define LEON3_GPTIMER_IRQEN 8 +#define LEON3_GPTIMER_SEPIRQ 8 +#define LEON3_GPTIMER_TIMERS 0x7 + +#define LEON23_REG_TIMER_CONTROL_EN 0x00000001 /* 1 = enable counting */ +/* 0 = hold scalar and counter */ +#define LEON23_REG_TIMER_CONTROL_RL 0x00000002 /* 1 = reload at 0 */ + /* 0 = stop at 0 */ +#define LEON23_REG_TIMER_CONTROL_LD 0x00000004 /* 1 = load counter */ + /* 0 = no function */ +#define LEON23_REG_TIMER_CONTROL_IQ 0x00000008 /* 1 = irq enable */ + /* 0 = no function */ + +/* + * The following defines the bits in the LEON PS/2 Status Registers. + */ + +#define LEON_REG_PS2_STATUS_DR 0x00000001 /* Data Ready */ +#define LEON_REG_PS2_STATUS_PE 0x00000002 /* Parity error */ +#define LEON_REG_PS2_STATUS_FE 0x00000004 /* Framing error */ +#define LEON_REG_PS2_STATUS_KI 0x00000008 /* Keyboard inhibit */ +#define LEON_REG_PS2_STATUS_RF 0x00000010 /* RX buffer full */ +#define LEON_REG_PS2_STATUS_TF 0x00000020 /* TX buffer full */ + +/* + * The following defines the bits in the LEON PS/2 Ctrl Registers. + */ + +#define LEON_REG_PS2_CTRL_RE 0x00000001 /* Receiver enable */ +#define LEON_REG_PS2_CTRL_TE 0x00000002 /* Transmitter enable */ +#define LEON_REG_PS2_CTRL_RI 0x00000004 /* Keyboard receive irq */ +#define LEON_REG_PS2_CTRL_TI 0x00000008 /* Keyboard transmit irq */ + +#define LEON3_IRQMPSTATUS_CPUNR 28 +#define LEON3_IRQMPSTATUS_BROADCAST 27 + +#define GPTIMER_CONFIG_IRQNT(a) (((a) >> 3) & 0x1f) +#define GPTIMER_CONFIG_ISSEP(a) ((a) & (1 << 8)) +#define GPTIMER_CONFIG_NTIMERS(a) ((a) & (0x7)) +#define LEON3_GPTIMER_CTRL_PENDING 0x10 +#define LEON3_GPTIMER_CONFIG_NRTIMERS(c) ((c)->config & 0x7) +#define LEON3_GPTIMER_CTRL_ISPENDING(r) (((r)&LEON3_GPTIMER_CTRL_PENDING) ? 1 : 0) + +#ifndef __ASSEMBLY__ + +struct leon3_irqctrl_regs_map { + u32 ilevel; + u32 ipend; + u32 iforce; + u32 iclear; + u32 mpstatus; + u32 mpbroadcast; + u32 notused02; + u32 notused03; + u32 ampctrl; + u32 icsel[2]; + u32 notused13; + u32 notused20; + u32 notused21; + u32 notused22; + u32 notused23; + u32 mask[16]; + u32 force[16]; + /* Extended IRQ registers */ + u32 intid[16]; /* 0xc0 */ + u32 unused[(0x1000-0x100)/4]; +}; + +struct leon3_apbuart_regs_map { + u32 data; + u32 status; + u32 ctrl; + u32 scaler; +}; + +struct leon3_gptimerelem_regs_map { + u32 val; + u32 rld; + u32 ctrl; + u32 unused; +}; + +struct leon3_gptimer_regs_map { + u32 scalar; + u32 scalar_reload; + u32 config; + u32 unused; + struct leon3_gptimerelem_regs_map e[8]; +}; + +/* + * Types and structure used for AMBA Plug & Play bus scanning + */ + +#define AMBA_MAXAPB_DEVS 64 +#define AMBA_MAXAPB_DEVS_PERBUS 16 + +struct amba_device_table { + int devnr; /* number of devices on AHB or APB bus */ + unsigned int *addr[16]; /* addresses to the devices configuration tables */ + unsigned int allocbits[1]; /* 0=unallocated, 1=allocated driver */ +}; + +struct amba_apbslv_device_table { + int devnr; /* number of devices on AHB or APB bus */ + unsigned int *addr[AMBA_MAXAPB_DEVS]; /* addresses to the devices configuration tables */ + unsigned int apbmst[AMBA_MAXAPB_DEVS]; /* apb master if a entry is a apb slave */ + unsigned int apbmstidx[AMBA_MAXAPB_DEVS]; /* apb master idx if a entry is a apb slave */ + unsigned int allocbits[4]; /* 0=unallocated, 1=allocated driver */ +}; + +struct amba_confarea_type { + struct amba_confarea_type *next;/* next bus in chain */ + struct amba_device_table ahbmst; + struct amba_device_table ahbslv; + struct amba_apbslv_device_table apbslv; + unsigned int apbmst; +}; + +/* collect apb slaves */ +struct amba_apb_device { + unsigned int start, irq, bus_id; + struct amba_confarea_type *bus; +}; + +/* collect ahb slaves */ +struct amba_ahb_device { + unsigned int start[4], irq, bus_id; + struct amba_confarea_type *bus; +}; + +struct device_node; +void _amba_init(struct device_node *dp, struct device_node ***nextp); + +extern unsigned long amba_system_id; +extern struct leon3_irqctrl_regs_map *leon3_irqctrl_regs; +extern struct leon3_gptimer_regs_map *leon3_gptimer_regs; +extern struct amba_apb_device leon_percpu_timer_dev[16]; +extern int leondebug_irq_disable; +extern int leon_debug_irqout; +extern unsigned long leon3_gptimer_irq; +extern unsigned int sparc_leon_eirq; + +#endif /* __ASSEMBLY__ */ + +#define LEON3_IO_AREA 0xfff00000 +#define LEON3_CONF_AREA 0xff000 +#define LEON3_AHB_SLAVE_CONF_AREA (1 << 11) + +#define LEON3_AHB_CONF_WORDS 8 +#define LEON3_APB_CONF_WORDS 2 +#define LEON3_AHB_MASTERS 16 +#define LEON3_AHB_SLAVES 16 +#define LEON3_APB_SLAVES 16 +#define LEON3_APBUARTS 8 + +/* Vendor codes */ +#define VENDOR_GAISLER 1 +#define VENDOR_PENDER 2 +#define VENDOR_ESA 4 +#define VENDOR_OPENCORES 8 + +/* Gaisler Research device id's */ +#define GAISLER_LEON3 0x003 +#define GAISLER_LEON3DSU 0x004 +#define GAISLER_ETHAHB 0x005 +#define GAISLER_APBMST 0x006 +#define GAISLER_AHBUART 0x007 +#define GAISLER_SRCTRL 0x008 +#define GAISLER_SDCTRL 0x009 +#define GAISLER_APBUART 0x00C +#define GAISLER_IRQMP 0x00D +#define GAISLER_AHBRAM 0x00E +#define GAISLER_GPTIMER 0x011 +#define GAISLER_PCITRG 0x012 +#define GAISLER_PCISBRG 0x013 +#define GAISLER_PCIFBRG 0x014 +#define GAISLER_PCITRACE 0x015 +#define GAISLER_PCIDMA 0x016 +#define GAISLER_AHBTRACE 0x017 +#define GAISLER_ETHDSU 0x018 +#define GAISLER_PIOPORT 0x01A +#define GAISLER_GRGPIO 0x01A +#define GAISLER_AHBJTAG 0x01c +#define GAISLER_ETHMAC 0x01D +#define GAISLER_AHB2AHB 0x020 +#define GAISLER_USBDC 0x021 +#define GAISLER_ATACTRL 0x024 +#define GAISLER_DDRSPA 0x025 +#define GAISLER_USBEHC 0x026 +#define GAISLER_USBUHC 0x027 +#define GAISLER_I2CMST 0x028 +#define GAISLER_SPICTRL 0x02D +#define GAISLER_DDR2SPA 0x02E +#define GAISLER_SPIMCTRL 0x045 +#define GAISLER_LEON4 0x048 +#define GAISLER_LEON4DSU 0x049 +#define GAISLER_AHBSTAT 0x052 +#define GAISLER_FTMCTRL 0x054 +#define GAISLER_KBD 0x060 +#define GAISLER_VGA 0x061 +#define GAISLER_SVGA 0x063 +#define GAISLER_GRSYSMON 0x066 +#define GAISLER_GRACECTRL 0x067 + +#define GAISLER_L2TIME 0xffd /* internal device: leon2 timer */ +#define GAISLER_L2C 0xffe /* internal device: leon2compat */ +#define GAISLER_PLUGPLAY 0xfff /* internal device: plug & play configarea */ + +/* Chip IDs */ +#define AEROFLEX_UT699 0x0699 +#define LEON4_NEXTREME1 0x0102 +#define GAISLER_GR712RC 0x0712 + +#define amba_vendor(x) (((x) >> 24) & 0xff) + +#define amba_device(x) (((x) >> 12) & 0xfff) + +#endif diff --git a/arch/sparc/include/asm/leon_pci.h b/arch/sparc/include/asm/leon_pci.h new file mode 100644 index 00000000000..049d067ed8b --- /dev/null +++ b/arch/sparc/include/asm/leon_pci.h @@ -0,0 +1,22 @@ +/* + * asm/leon_pci.h + * + * Copyright (C) 2011 Aeroflex Gaisler AB, Daniel Hellstrom + */ + +#ifndef _ASM_LEON_PCI_H_ +#define _ASM_LEON_PCI_H_ + +/* PCI related definitions */ +struct leon_pci_info { + struct pci_ops *ops; + struct resource io_space; + struct resource mem_space; + struct resource busn; + int (*map_irq)(const struct pci_dev *dev, u8 slot, u8 pin); +}; + +void leon_pci_init(struct platform_device *ofdev, + struct leon_pci_info *info); + +#endif /* _ASM_LEON_PCI_H_ */ diff --git a/arch/sparc/include/asm/linkage.h b/arch/sparc/include/asm/linkage.h deleted file mode 100644 index 291c2d01c44..00000000000 --- a/arch/sparc/include/asm/linkage.h +++ /dev/null @@ -1,6 +0,0 @@ -#ifndef __ASM_LINKAGE_H -#define __ASM_LINKAGE_H - -/* Nothing to see here... */ - -#endif diff --git a/arch/sparc/include/asm/lmb.h b/arch/sparc/include/asm/lmb.h deleted file mode 100644 index 6a352cbcf52..00000000000 --- a/arch/sparc/include/asm/lmb.h +++ /dev/null @@ -1,10 +0,0 @@ -#ifndef _SPARC64_LMB_H -#define _SPARC64_LMB_H - -#include <asm/oplib.h> - -#define LMB_DBG(fmt...) prom_printf(fmt) - -#define LMB_REAL_LIMIT 0 - -#endif /* !(_SPARC64_LMB_H) */ diff --git a/arch/sparc/include/asm/local.h b/arch/sparc/include/asm/local.h deleted file mode 100644 index bc80815a435..00000000000 --- a/arch/sparc/include/asm/local.h +++ /dev/null @@ -1,6 +0,0 @@ -#ifndef _SPARC_LOCAL_H -#define _SPARC_LOCAL_H - -#include <asm-generic/local.h> - -#endif diff --git a/arch/sparc/include/asm/machines.h b/arch/sparc/include/asm/machines.h index c28c2f24879..fd6ddb05d1b 100644 --- a/arch/sparc/include/asm/machines.h +++ b/arch/sparc/include/asm/machines.h @@ -12,11 +12,6 @@ struct Sun_Machine_Models { unsigned char id_machtype; }; -/* Current number of machines we know about that has an IDPROM - * machtype entry including one entry for the 0x80 OBP machines. - */ -#define NUM_SUN_MACHINES 15 - /* The machine type in the idprom area looks like this: * * --------------- @@ -24,31 +19,19 @@ struct Sun_Machine_Models { * --------------- * 7 4 3 0 * - * The ARCH field determines the architecture line (sun4, sun4c, etc). + * The ARCH field determines the architecture line (sun4m, etc). * The MACH field determines the machine make within that architecture. */ #define SM_ARCH_MASK 0xf0 -#define SM_SUN4 0x20 -#define SM_SUN4C 0x50 +#define M_LEON 0x30 #define SM_SUN4M 0x70 #define SM_SUN4M_OBP 0x80 #define SM_TYP_MASK 0x0f -/* Sun4 machines */ -#define SM_4_260 0x01 /* Sun 4/200 series */ -#define SM_4_110 0x02 /* Sun 4/100 series */ -#define SM_4_330 0x03 /* Sun 4/300 series */ -#define SM_4_470 0x04 /* Sun 4/400 series */ -/* Sun4c machines Full Name - PROM NAME */ -#define SM_4C_SS1 0x01 /* Sun4c SparcStation 1 - Sun 4/60 */ -#define SM_4C_IPC 0x02 /* Sun4c SparcStation IPC - Sun 4/40 */ -#define SM_4C_SS1PLUS 0x03 /* Sun4c SparcStation 1+ - Sun 4/65 */ -#define SM_4C_SLC 0x04 /* Sun4c SparcStation SLC - Sun 4/20 */ -#define SM_4C_SS2 0x05 /* Sun4c SparcStation 2 - Sun 4/75 */ -#define SM_4C_ELC 0x06 /* Sun4c SparcStation ELC - Sun 4/25 */ -#define SM_4C_IPX 0x07 /* Sun4c SparcStation IPX - Sun 4/50 */ +/* Leon machines */ +#define M_LEON3_SOC 0x02 /* Leon3 SoC */ /* Sun4m machines, these predate the OpenBoot. These values only mean * something if the value in the ARCH field is SM_SUN4M, if it is diff --git a/arch/sparc/include/asm/mbus.h b/arch/sparc/include/asm/mbus.h index 69f07a022ee..14128bcc582 100644 --- a/arch/sparc/include/asm/mbus.h +++ b/arch/sparc/include/asm/mbus.h @@ -8,14 +8,10 @@ #define _SPARC_MBUS_H #include <asm/ross.h> /* HyperSparc stuff */ -#include <asm/cypress.h> /* Cypress Chips */ #include <asm/viking.h> /* Ugh, bug city... */ enum mbus_module { HyperSparc = 0, - Cypress = 1, - Cypress_vE = 2, - Cypress_vD = 3, Swift_ok = 4, Swift_bad_c = 5, Swift_lots_o_bugs = 6, diff --git a/arch/sparc/include/asm/mc146818rtc.h b/arch/sparc/include/asm/mc146818rtc.h index 67ed9e3a023..d8e72f37dc4 100644 --- a/arch/sparc/include/asm/mc146818rtc.h +++ b/arch/sparc/include/asm/mc146818rtc.h @@ -1,5 +1,10 @@ #ifndef ___ASM_SPARC_MC146818RTC_H #define ___ASM_SPARC_MC146818RTC_H + +#include <linux/spinlock.h> + +extern spinlock_t rtc_lock; + #if defined(__sparc__) && defined(__arch64__) #include <asm/mc146818rtc_64.h> #else diff --git a/arch/sparc/include/asm/mc146818rtc_64.h b/arch/sparc/include/asm/mc146818rtc_64.h index e9c0fcc25c6..7238d174e0e 100644 --- a/arch/sparc/include/asm/mc146818rtc_64.h +++ b/arch/sparc/include/asm/mc146818rtc_64.h @@ -7,12 +7,8 @@ #include <asm/io.h> #ifndef RTC_PORT -#ifdef CONFIG_PCI -extern unsigned long ds1287_regs; -#else -#define ds1287_regs (0UL) -#endif -#define RTC_PORT(x) (ds1287_regs + (x)) +extern unsigned long cmos_regs; +#define RTC_PORT(x) (cmos_regs + (x)) #define RTC_ALWAYS_BCD 0 #endif @@ -29,6 +25,4 @@ outb_p((addr),RTC_PORT(0)); \ outb_p((val),RTC_PORT(1)); \ }) -#define RTC_IRQ 8 - #endif /* __ASM_SPARC64_MC146818RTC_H */ diff --git a/arch/sparc/include/asm/mdesc.h b/arch/sparc/include/asm/mdesc.h index 1acc7272e53..aebeb88f70d 100644 --- a/arch/sparc/include/asm/mdesc.h +++ b/arch/sparc/include/asm/mdesc.h @@ -12,13 +12,13 @@ struct mdesc_handle; * the first argument to all of the operational calls that work * on mdescs. */ -extern struct mdesc_handle *mdesc_grab(void); -extern void mdesc_release(struct mdesc_handle *); +struct mdesc_handle *mdesc_grab(void); +void mdesc_release(struct mdesc_handle *); #define MDESC_NODE_NULL (~(u64)0) -extern u64 mdesc_node_by_name(struct mdesc_handle *handle, - u64 from_node, const char *name); +u64 mdesc_node_by_name(struct mdesc_handle *handle, + u64 from_node, const char *name); #define mdesc_for_each_node_by_name(__hdl, __node, __name) \ for (__node = mdesc_node_by_name(__hdl, MDESC_NODE_NULL, __name); \ (__node) != MDESC_NODE_NULL; \ @@ -34,9 +34,9 @@ extern u64 mdesc_node_by_name(struct mdesc_handle *handle, * * These same rules apply to mdesc_node_name(). */ -extern const void *mdesc_get_property(struct mdesc_handle *handle, - u64 node, const char *name, int *lenp); -extern const char *mdesc_node_name(struct mdesc_handle *hp, u64 node); +const void *mdesc_get_property(struct mdesc_handle *handle, + u64 node, const char *name, int *lenp); +const char *mdesc_node_name(struct mdesc_handle *hp, u64 node); /* MD arc iteration, the standard sequence is: * @@ -50,16 +50,16 @@ extern const char *mdesc_node_name(struct mdesc_handle *hp, u64 node); #define MDESC_ARC_TYPE_FWD "fwd" #define MDESC_ARC_TYPE_BACK "back" -extern u64 mdesc_next_arc(struct mdesc_handle *handle, u64 from, - const char *arc_type); +u64 mdesc_next_arc(struct mdesc_handle *handle, u64 from, + const char *arc_type); #define mdesc_for_each_arc(__arc, __hdl, __node, __type) \ for (__arc = mdesc_next_arc(__hdl, __node, __type); \ (__arc) != MDESC_NODE_NULL; \ __arc = mdesc_next_arc(__hdl, __arc, __type)) -extern u64 mdesc_arc_target(struct mdesc_handle *hp, u64 arc); +u64 mdesc_arc_target(struct mdesc_handle *hp, u64 arc); -extern void mdesc_update(void); +void mdesc_update(void); struct mdesc_notifier_client { void (*add)(struct mdesc_handle *handle, u64 node); @@ -69,10 +69,12 @@ struct mdesc_notifier_client { struct mdesc_notifier_client *next; }; -extern void mdesc_register_notifier(struct mdesc_notifier_client *client); +void mdesc_register_notifier(struct mdesc_notifier_client *client); -extern void mdesc_fill_in_cpu_data(cpumask_t mask); +void mdesc_fill_in_cpu_data(cpumask_t *mask); +void mdesc_populate_present_mask(cpumask_t *mask); +void mdesc_get_page_sizes(cpumask_t *mask, unsigned long *pgsz_mask); -extern void sun4v_mdesc_init(void); +void sun4v_mdesc_init(void); #endif diff --git a/arch/sparc/include/asm/memctrl.h b/arch/sparc/include/asm/memctrl.h new file mode 100644 index 00000000000..4065c56af7b --- /dev/null +++ b/arch/sparc/include/asm/memctrl.h @@ -0,0 +1,9 @@ +#ifndef _SPARC_MEMCTRL_H +#define _SPARC_MEMCTRL_H + +typedef int (*dimm_printer_t)(int synd_code, unsigned long paddr, char *buf, int buflen); + +int register_dimm_printer(dimm_printer_t func); +void unregister_dimm_printer(dimm_printer_t func); + +#endif /* _SPARC_MEMCTRL_H */ diff --git a/arch/sparc/include/asm/memreg.h b/arch/sparc/include/asm/memreg.h deleted file mode 100644 index 845ad2b3918..00000000000 --- a/arch/sparc/include/asm/memreg.h +++ /dev/null @@ -1,51 +0,0 @@ -#ifndef _SPARC_MEMREG_H -#define _SPARC_MEMREG_H -/* memreg.h: Definitions of the values found in the synchronous - * and asynchronous memory error registers when a fault - * occurs on the sun4c. - * - * Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu) - */ - -/* First the synchronous error codes, these are usually just - * normal page faults. - */ - -#define SUN4C_SYNC_WDRESET 0x0001 /* watchdog reset */ -#define SUN4C_SYNC_SIZE 0x0002 /* bad access size? whuz this? */ -#define SUN4C_SYNC_PARITY 0x0008 /* bad ram chips caused a parity error */ -#define SUN4C_SYNC_SBUS 0x0010 /* the SBUS had some problems... */ -#define SUN4C_SYNC_NOMEM 0x0020 /* translation to non-existent ram */ -#define SUN4C_SYNC_PROT 0x0040 /* access violated pte protections */ -#define SUN4C_SYNC_NPRESENT 0x0080 /* pte said that page was not present */ -#define SUN4C_SYNC_BADWRITE 0x8000 /* while writing something went bogus */ - -#define SUN4C_SYNC_BOLIXED \ - (SUN4C_SYNC_WDRESET | SUN4C_SYNC_SIZE | SUN4C_SYNC_SBUS | \ - SUN4C_SYNC_NOMEM | SUN4C_SYNC_PARITY) - -/* Now the asynchronous error codes, these are almost always produced - * by the cache writing things back to memory and getting a bad translation. - * Bad DVMA transactions can cause these faults too. - */ - -#define SUN4C_ASYNC_BADDVMA 0x0010 /* error during DVMA access */ -#define SUN4C_ASYNC_NOMEM 0x0020 /* write back pointed to bad phys addr */ -#define SUN4C_ASYNC_BADWB 0x0080 /* write back points to non-present page */ - -/* Memory parity error register with associated bit constants. */ -#ifndef __ASSEMBLY__ -extern __volatile__ unsigned long __iomem *sun4c_memerr_reg; -#endif - -#define SUN4C_MPE_ERROR 0x80 /* Parity error detected. (ro) */ -#define SUN4C_MPE_MULTI 0x40 /* Multiple parity errors detected. (ro) */ -#define SUN4C_MPE_TEST 0x20 /* Write inverse parity. (rw) */ -#define SUN4C_MPE_CHECK 0x10 /* Enable parity checking. (rw) */ -#define SUN4C_MPE_ERR00 0x08 /* Parity error in bits 0-7. (ro) */ -#define SUN4C_MPE_ERR08 0x04 /* Parity error in bits 8-15. (ro) */ -#define SUN4C_MPE_ERR16 0x02 /* Parity error in bits 16-23. (ro) */ -#define SUN4C_MPE_ERR24 0x01 /* Parity error in bits 24-31. (ro) */ -#define SUN4C_MPE_ERRS 0x0F /* Bit mask for the error bits. (ro) */ - -#endif /* !(_SPARC_MEMREG_H) */ diff --git a/arch/sparc/include/asm/mman.h b/arch/sparc/include/asm/mman.h index fdfbbf0a473..59bb5938d85 100644 --- a/arch/sparc/include/asm/mman.h +++ b/arch/sparc/include/asm/mman.h @@ -1,31 +1,10 @@ #ifndef __SPARC_MMAN_H__ #define __SPARC_MMAN_H__ -#include <asm-generic/mman.h> +#include <uapi/asm/mman.h> -/* SunOS'ified... */ - -#define MAP_RENAME MAP_ANONYMOUS /* In SunOS terminology */ -#define MAP_NORESERVE 0x40 /* don't reserve swap pages */ -#define MAP_INHERIT 0x80 /* SunOS doesn't do this, but... */ -#define MAP_LOCKED 0x100 /* lock the mapping */ -#define _MAP_NEW 0x80000000 /* Binary compatibility is fun... */ - -#define MAP_GROWSDOWN 0x0200 /* stack-like segment */ -#define MAP_DENYWRITE 0x0800 /* ETXTBSY */ -#define MAP_EXECUTABLE 0x1000 /* mark it as an executable */ - -#define MCL_CURRENT 0x2000 /* lock all currently mapped pages */ -#define MCL_FUTURE 0x4000 /* lock all additions to address space */ - -#define MAP_POPULATE 0x8000 /* populate (prefault) pagetables */ -#define MAP_NONBLOCK 0x10000 /* do not block on IO */ - -#ifdef __KERNEL__ #ifndef __ASSEMBLY__ #define arch_mmap_check(addr,len,flags) sparc_mmap_check(addr,len) int sparc_mmap_check(unsigned long addr, unsigned long len); #endif -#endif - #endif /* __SPARC_MMAN_H__ */ diff --git a/arch/sparc/include/asm/mmu_32.h b/arch/sparc/include/asm/mmu_32.h index ccd36d26615..6f056e535cf 100644 --- a/arch/sparc/include/asm/mmu_32.h +++ b/arch/sparc/include/asm/mmu_32.h @@ -4,4 +4,7 @@ /* Default "unsigned long" context */ typedef unsigned long mm_context_t; +/* mm/srmmu.c */ +extern ctxd_t *srmmu_ctx_table_phys; + #endif diff --git a/arch/sparc/include/asm/mmu_64.h b/arch/sparc/include/asm/mmu_64.h index 9067dc50053..70067ce184b 100644 --- a/arch/sparc/include/asm/mmu_64.h +++ b/arch/sparc/include/asm/mmu_64.h @@ -30,22 +30,8 @@ #define CTX_PGSZ_MASK ((CTX_PGSZ_BITS << CTX_PGSZ0_SHIFT) | \ (CTX_PGSZ_BITS << CTX_PGSZ1_SHIFT)) -#if defined(CONFIG_SPARC64_PAGE_SIZE_8KB) #define CTX_PGSZ_BASE CTX_PGSZ_8KB -#elif defined(CONFIG_SPARC64_PAGE_SIZE_64KB) -#define CTX_PGSZ_BASE CTX_PGSZ_64KB -#else -#error No page size specified in kernel configuration -#endif - -#if defined(CONFIG_HUGETLB_PAGE_SIZE_4MB) -#define CTX_PGSZ_HUGE CTX_PGSZ_4MB -#elif defined(CONFIG_HUGETLB_PAGE_SIZE_512K) -#define CTX_PGSZ_HUGE CTX_PGSZ_512KB -#elif defined(CONFIG_HUGETLB_PAGE_SIZE_64K) -#define CTX_PGSZ_HUGE CTX_PGSZ_64KB -#endif - +#define CTX_PGSZ_HUGE CTX_PGSZ_4MB #define CTX_PGSZ_KERN CTX_PGSZ_4MB /* Thus, when running on UltraSPARC-III+ and later, we use the following @@ -81,9 +67,9 @@ struct tsb { unsigned long pte; } __attribute__((aligned(TSB_ENTRY_ALIGNMENT))); -extern void __tsb_insert(unsigned long ent, unsigned long tag, unsigned long pte); -extern void tsb_flush(unsigned long ent, unsigned long tag); -extern void tsb_init(struct tsb *tsb, unsigned long size); +void __tsb_insert(unsigned long ent, unsigned long tag, unsigned long pte); +void tsb_flush(unsigned long ent, unsigned long tag); +void tsb_init(struct tsb *tsb, unsigned long size); struct tsb_config { struct tsb *tsb; @@ -96,7 +82,7 @@ struct tsb_config { #define MM_TSB_BASE 0 -#ifdef CONFIG_HUGETLB_PAGE +#if defined(CONFIG_HUGETLB_PAGE) || defined(CONFIG_TRANSPARENT_HUGEPAGE) #define MM_TSB_HUGE 1 #define MM_NUM_TSBS 2 #else diff --git a/arch/sparc/include/asm/mmu_context_32.h b/arch/sparc/include/asm/mmu_context_32.h index 671a997b9e6..2df2a9be8f6 100644 --- a/arch/sparc/include/asm/mmu_context_32.h +++ b/arch/sparc/include/asm/mmu_context_32.h @@ -1,8 +1,6 @@ #ifndef __SPARC_MMU_CONTEXT_H #define __SPARC_MMU_CONTEXT_H -#include <asm/btfixup.h> - #ifndef __ASSEMBLY__ #include <asm-generic/mm_hooks.h> @@ -11,26 +9,21 @@ static inline void enter_lazy_tlb(struct mm_struct *mm, struct task_struct *tsk) { } -/* - * Initialize a new mmu context. This is invoked when a new +/* Initialize a new mmu context. This is invoked when a new * address space instance (unique or shared) is instantiated. */ -#define init_new_context(tsk, mm) (((mm)->context = NO_CONTEXT), 0) +int init_new_context(struct task_struct *tsk, struct mm_struct *mm); -/* - * Destroy a dead context. This occurs when mmput drops the +/* Destroy a dead context. This occurs when mmput drops the * mm_users count to zero, the mmaps have been released, and * all the page tables have been flushed. Our job is to destroy * any remaining processor-specific state. */ -BTFIXUPDEF_CALL(void, destroy_context, struct mm_struct *) - -#define destroy_context(mm) BTFIXUP_CALL(destroy_context)(mm) +void destroy_context(struct mm_struct *mm); /* Switch the current MM context. */ -BTFIXUPDEF_CALL(void, switch_mm, struct mm_struct *, struct mm_struct *, struct task_struct *) - -#define switch_mm(old_mm, mm, tsk) BTFIXUP_CALL(switch_mm)(old_mm, mm, tsk) +void switch_mm(struct mm_struct *old_mm, struct mm_struct *mm, + struct task_struct *tsk); #define deactivate_mm(tsk,mm) do { } while (0) diff --git a/arch/sparc/include/asm/mmu_context_64.h b/arch/sparc/include/asm/mmu_context_64.h index 5693ab48260..b84be675e50 100644 --- a/arch/sparc/include/asm/mmu_context_64.h +++ b/arch/sparc/include/asm/mmu_context_64.h @@ -6,7 +6,6 @@ #ifndef __ASSEMBLY__ #include <linux/spinlock.h> -#include <asm/system.h> #include <asm/spitfire.h> #include <asm-generic/mm_hooks.h> @@ -18,26 +17,26 @@ extern spinlock_t ctx_alloc_lock; extern unsigned long tlb_context_cache; extern unsigned long mmu_context_bmap[]; -extern void get_new_mmu_context(struct mm_struct *mm); +void get_new_mmu_context(struct mm_struct *mm); #ifdef CONFIG_SMP -extern void smp_new_mmu_context_version(void); +void smp_new_mmu_context_version(void); #else #define smp_new_mmu_context_version() do { } while (0) #endif -extern int init_new_context(struct task_struct *tsk, struct mm_struct *mm); -extern void destroy_context(struct mm_struct *mm); +int init_new_context(struct task_struct *tsk, struct mm_struct *mm); +void destroy_context(struct mm_struct *mm); -extern void __tsb_context_switch(unsigned long pgd_pa, - struct tsb_config *tsb_base, - struct tsb_config *tsb_huge, - unsigned long tsb_descr_pa); +void __tsb_context_switch(unsigned long pgd_pa, + struct tsb_config *tsb_base, + struct tsb_config *tsb_huge, + unsigned long tsb_descr_pa); static inline void tsb_context_switch(struct mm_struct *mm) { __tsb_context_switch(__pa(mm->pgd), &mm->context.tsb_block[0], -#ifdef CONFIG_HUGETLB_PAGE +#if defined(CONFIG_HUGETLB_PAGE) || defined(CONFIG_TRANSPARENT_HUGEPAGE) (mm->context.tsb_block[1].tsb ? &mm->context.tsb_block[1] : NULL) @@ -47,9 +46,11 @@ static inline void tsb_context_switch(struct mm_struct *mm) , __pa(&mm->context.tsb_descr[0])); } -extern void tsb_grow(struct mm_struct *mm, unsigned long tsb_index, unsigned long mm_rss); +void tsb_grow(struct mm_struct *mm, + unsigned long tsb_index, + unsigned long mm_rss); #ifdef CONFIG_SMP -extern void smp_tsb_sync(struct mm_struct *mm); +void smp_tsb_sync(struct mm_struct *mm); #else #define smp_tsb_sync(__mm) do { } while (0) #endif @@ -67,9 +68,9 @@ extern void smp_tsb_sync(struct mm_struct *mm); : "r" (CTX_HWBITS((__mm)->context)), \ "r" (SECONDARY_CONTEXT), "i" (ASI_DMMU), "i" (ASI_MMU)) -extern void __flush_tlb_mm(unsigned long, unsigned long); +void __flush_tlb_mm(unsigned long, unsigned long); -/* Switch the current MM context. Interrupts are disabled. */ +/* Switch the current MM context. */ static inline void switch_mm(struct mm_struct *old_mm, struct mm_struct *mm, struct task_struct *tsk) { unsigned long ctx_valid, flags; @@ -121,8 +122,8 @@ static inline void switch_mm(struct mm_struct *old_mm, struct mm_struct *mm, str * local TLB. */ cpu = smp_processor_id(); - if (!ctx_valid || !cpu_isset(cpu, mm->cpu_vm_mask)) { - cpu_set(cpu, mm->cpu_vm_mask); + if (!ctx_valid || !cpumask_test_cpu(cpu, mm_cpumask(mm))) { + cpumask_set_cpu(cpu, mm_cpumask(mm)); __flush_tlb_mm(CTX_HWBITS(mm->context), SECONDARY_CONTEXT); } @@ -141,8 +142,8 @@ static inline void activate_mm(struct mm_struct *active_mm, struct mm_struct *mm if (!CTX_VALID(mm->context)) get_new_mmu_context(mm); cpu = smp_processor_id(); - if (!cpu_isset(cpu, mm->cpu_vm_mask)) - cpu_set(cpu, mm->cpu_vm_mask); + if (!cpumask_test_cpu(cpu, mm_cpumask(mm))) + cpumask_set_cpu(cpu, mm_cpumask(mm)); load_secondary_context(mm); __flush_tlb_mm(CTX_HWBITS(mm->context), SECONDARY_CONTEXT); diff --git a/arch/sparc/include/asm/mmzone.h b/arch/sparc/include/asm/mmzone.h index ebf5986c12e..99d9b9f577b 100644 --- a/arch/sparc/include/asm/mmzone.h +++ b/arch/sparc/include/asm/mmzone.h @@ -3,11 +3,11 @@ #ifdef CONFIG_NEED_MULTIPLE_NODES +#include <linux/cpumask.h> + extern struct pglist_data *node_data[]; #define NODE_DATA(nid) (node_data[nid]) -#define node_start_pfn(nid) (NODE_DATA(nid)->node_start_pfn) -#define node_end_pfn(nid) (NODE_DATA(nid)->node_end_pfn) extern int numa_cpu_lookup_table[]; extern cpumask_t numa_cpumask_lookup_table[]; diff --git a/arch/sparc/include/asm/module.h b/arch/sparc/include/asm/module.h deleted file mode 100644 index e82cf9a3e60..00000000000 --- a/arch/sparc/include/asm/module.h +++ /dev/null @@ -1,8 +0,0 @@ -#ifndef ___ASM_SPARC_MODULE_H -#define ___ASM_SPARC_MODULE_H -#if defined(__sparc__) && defined(__arch64__) -#include <asm/module_64.h> -#else -#include <asm/module_32.h> -#endif -#endif diff --git a/arch/sparc/include/asm/module_32.h b/arch/sparc/include/asm/module_32.h deleted file mode 100644 index cbd9e67b0c0..00000000000 --- a/arch/sparc/include/asm/module_32.h +++ /dev/null @@ -1,7 +0,0 @@ -#ifndef _ASM_SPARC_MODULE_H -#define _ASM_SPARC_MODULE_H -struct mod_arch_specific { }; -#define Elf_Shdr Elf32_Shdr -#define Elf_Sym Elf32_Sym -#define Elf_Ehdr Elf32_Ehdr -#endif /* _ASM_SPARC_MODULE_H */ diff --git a/arch/sparc/include/asm/module_64.h b/arch/sparc/include/asm/module_64.h deleted file mode 100644 index 3d77ba46578..00000000000 --- a/arch/sparc/include/asm/module_64.h +++ /dev/null @@ -1,7 +0,0 @@ -#ifndef _ASM_SPARC64_MODULE_H -#define _ASM_SPARC64_MODULE_H -struct mod_arch_specific { }; -#define Elf_Shdr Elf64_Shdr -#define Elf_Sym Elf64_Sym -#define Elf_Ehdr Elf64_Ehdr -#endif /* _ASM_SPARC64_MODULE_H */ diff --git a/arch/sparc/include/asm/mostek.h b/arch/sparc/include/asm/mostek.h deleted file mode 100644 index 433be3e0a69..00000000000 --- a/arch/sparc/include/asm/mostek.h +++ /dev/null @@ -1,8 +0,0 @@ -#ifndef ___ASM_SPARC_MOSTEK_H -#define ___ASM_SPARC_MOSTEK_H -#if defined(__sparc__) && defined(__arch64__) -#include <asm/mostek_64.h> -#else -#include <asm/mostek_32.h> -#endif -#endif diff --git a/arch/sparc/include/asm/mostek_32.h b/arch/sparc/include/asm/mostek_32.h deleted file mode 100644 index a99590c4c50..00000000000 --- a/arch/sparc/include/asm/mostek_32.h +++ /dev/null @@ -1,171 +0,0 @@ -/* - * mostek.h: Describes the various Mostek time of day clock registers. - * - * Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu) - * Copyright (C) 1996 Thomas K. Dyas (tdyas@eden.rutgers.edu) - * Added intersil code 05/25/98 Chris Davis (cdavis@cois.on.ca) - */ - -#ifndef _SPARC_MOSTEK_H -#define _SPARC_MOSTEK_H - -#include <asm/idprom.h> -#include <asm/io.h> - -/* M48T02 Register Map (adapted from Sun NVRAM/Hostid FAQ) - * - * Data - * Address Function - * Bit 7 Bit 6 Bit 5 Bit 4Bit 3 Bit 2 Bit 1 Bit 0 - * 7ff - - - - - - - - Year 00-99 - * 7fe 0 0 0 - - - - - Month 01-12 - * 7fd 0 0 - - - - - - Date 01-31 - * 7fc 0 FT 0 0 0 - - - Day 01-07 - * 7fb KS 0 - - - - - - Hours 00-23 - * 7fa 0 - - - - - - - Minutes 00-59 - * 7f9 ST - - - - - - - Seconds 00-59 - * 7f8 W R S - - - - - Control - * - * * ST is STOP BIT - * * W is WRITE BIT - * * R is READ BIT - * * S is SIGN BIT - * * FT is FREQ TEST BIT - * * KS is KICK START BIT - */ - -/* The Mostek 48t02 real time clock and NVRAM chip. The registers - * other than the control register are in binary coded decimal. Some - * control bits also live outside the control register. - */ -#define mostek_read(_addr) readb(_addr) -#define mostek_write(_addr,_val) writeb(_val, _addr) -#define MOSTEK_EEPROM 0x0000UL -#define MOSTEK_IDPROM 0x07d8UL -#define MOSTEK_CREG 0x07f8UL -#define MOSTEK_SEC 0x07f9UL -#define MOSTEK_MIN 0x07faUL -#define MOSTEK_HOUR 0x07fbUL -#define MOSTEK_DOW 0x07fcUL -#define MOSTEK_DOM 0x07fdUL -#define MOSTEK_MONTH 0x07feUL -#define MOSTEK_YEAR 0x07ffUL - -struct mostek48t02 { - volatile char eeprom[2008]; /* This is the eeprom, don't touch! */ - struct idprom idprom; /* The idprom lives here. */ - volatile unsigned char creg; /* Control register */ - volatile unsigned char sec; /* Seconds (0-59) */ - volatile unsigned char min; /* Minutes (0-59) */ - volatile unsigned char hour; /* Hour (0-23) */ - volatile unsigned char dow; /* Day of the week (1-7) */ - volatile unsigned char dom; /* Day of the month (1-31) */ - volatile unsigned char month; /* Month of year (1-12) */ - volatile unsigned char year; /* Year (0-99) */ -}; - -extern spinlock_t mostek_lock; -extern void __iomem *mstk48t02_regs; - -/* Control register values. */ -#define MSTK_CREG_WRITE 0x80 /* Must set this before placing values. */ -#define MSTK_CREG_READ 0x40 /* Stop updates to allow a clean read. */ -#define MSTK_CREG_SIGN 0x20 /* Slow/speed clock in calibration mode. */ - -/* Control bits that live in the other registers. */ -#define MSTK_STOP 0x80 /* Stop the clock oscillator. (sec) */ -#define MSTK_KICK_START 0x80 /* Kick start the clock chip. (hour) */ -#define MSTK_FREQ_TEST 0x40 /* Frequency test mode. (day) */ - -#define MSTK_YEAR_ZERO 1968 /* If year reg has zero, it is 1968. */ -#define MSTK_CVT_YEAR(yr) ((yr) + MSTK_YEAR_ZERO) - -/* Masks that define how much space each value takes up. */ -#define MSTK_SEC_MASK 0x7f -#define MSTK_MIN_MASK 0x7f -#define MSTK_HOUR_MASK 0x3f -#define MSTK_DOW_MASK 0x07 -#define MSTK_DOM_MASK 0x3f -#define MSTK_MONTH_MASK 0x1f -#define MSTK_YEAR_MASK 0xffU - -/* Binary coded decimal conversion macros. */ -#define MSTK_REGVAL_TO_DECIMAL(x) (((x) & 0x0F) + 0x0A * ((x) >> 0x04)) -#define MSTK_DECIMAL_TO_REGVAL(x) ((((x) / 0x0A) << 0x04) + ((x) % 0x0A)) - -/* Generic register set and get macros for internal use. */ -#define MSTK_GET(regs,var,mask) (MSTK_REGVAL_TO_DECIMAL(((struct mostek48t02 *)regs)->var & MSTK_ ## mask ## _MASK)) -#define MSTK_SET(regs,var,value,mask) do { ((struct mostek48t02 *)regs)->var &= ~(MSTK_ ## mask ## _MASK); ((struct mostek48t02 *)regs)->var |= MSTK_DECIMAL_TO_REGVAL(value) & (MSTK_ ## mask ## _MASK); } while (0) - -/* Macros to make register access easier on our fingers. These give you - * the decimal value of the register requested if applicable. You pass - * the a pointer to a 'struct mostek48t02'. - */ -#define MSTK_REG_CREG(regs) (((struct mostek48t02 *)regs)->creg) -#define MSTK_REG_SEC(regs) MSTK_GET(regs,sec,SEC) -#define MSTK_REG_MIN(regs) MSTK_GET(regs,min,MIN) -#define MSTK_REG_HOUR(regs) MSTK_GET(regs,hour,HOUR) -#define MSTK_REG_DOW(regs) MSTK_GET(regs,dow,DOW) -#define MSTK_REG_DOM(regs) MSTK_GET(regs,dom,DOM) -#define MSTK_REG_MONTH(regs) MSTK_GET(regs,month,MONTH) -#define MSTK_REG_YEAR(regs) MSTK_GET(regs,year,YEAR) - -#define MSTK_SET_REG_SEC(regs,value) MSTK_SET(regs,sec,value,SEC) -#define MSTK_SET_REG_MIN(regs,value) MSTK_SET(regs,min,value,MIN) -#define MSTK_SET_REG_HOUR(regs,value) MSTK_SET(regs,hour,value,HOUR) -#define MSTK_SET_REG_DOW(regs,value) MSTK_SET(regs,dow,value,DOW) -#define MSTK_SET_REG_DOM(regs,value) MSTK_SET(regs,dom,value,DOM) -#define MSTK_SET_REG_MONTH(regs,value) MSTK_SET(regs,month,value,MONTH) -#define MSTK_SET_REG_YEAR(regs,value) MSTK_SET(regs,year,value,YEAR) - - -/* The Mostek 48t08 clock chip. Found on Sun4m's I think. It has the - * same (basically) layout of the 48t02 chip except for the extra - * NVRAM on board (8 KB against the 48t02's 2 KB). - */ -struct mostek48t08 { - char offset[6*1024]; /* Magic things may be here, who knows? */ - struct mostek48t02 regs; /* Here is what we are interested in. */ -}; - -#ifdef CONFIG_SUN4 -enum sparc_clock_type { MSTK48T02, MSTK48T08, \ -INTERSIL, MSTK_INVALID }; -#else -enum sparc_clock_type { MSTK48T02, MSTK48T08, \ -MSTK_INVALID }; -#endif - -#ifdef CONFIG_SUN4 -/* intersil on a sun 4/260 code data from harris doc */ -struct intersil_dt { - volatile unsigned char int_csec; - volatile unsigned char int_hour; - volatile unsigned char int_min; - volatile unsigned char int_sec; - volatile unsigned char int_month; - volatile unsigned char int_day; - volatile unsigned char int_year; - volatile unsigned char int_dow; -}; - -struct intersil { - struct intersil_dt clk; - struct intersil_dt cmp; - volatile unsigned char int_intr_reg; - volatile unsigned char int_cmd_reg; -}; - -#define INTERSIL_STOP 0x0 -#define INTERSIL_START 0x8 -#define INTERSIL_INTR_DISABLE 0x0 -#define INTERSIL_INTR_ENABLE 0x10 -#define INTERSIL_32K 0x0 -#define INTERSIL_NORMAL 0x0 -#define INTERSIL_24H 0x4 -#define INTERSIL_INT_100HZ 0x2 - -/* end of intersil info */ -#endif - -#endif /* !(_SPARC_MOSTEK_H) */ diff --git a/arch/sparc/include/asm/mostek_64.h b/arch/sparc/include/asm/mostek_64.h deleted file mode 100644 index c5652de2ace..00000000000 --- a/arch/sparc/include/asm/mostek_64.h +++ /dev/null @@ -1,143 +0,0 @@ -/* mostek.h: Describes the various Mostek time of day clock registers. - * - * Copyright (C) 1995 David S. Miller (davem@davemloft.net) - * Copyright (C) 1996 Thomas K. Dyas (tdyas@eden.rutgers.edu) - */ - -#ifndef _SPARC64_MOSTEK_H -#define _SPARC64_MOSTEK_H - -#include <asm/idprom.h> - -/* M48T02 Register Map (adapted from Sun NVRAM/Hostid FAQ) - * - * Data - * Address Function - * Bit 7 Bit 6 Bit 5 Bit 4Bit 3 Bit 2 Bit 1 Bit 0 - * 7ff - - - - - - - - Year 00-99 - * 7fe 0 0 0 - - - - - Month 01-12 - * 7fd 0 0 - - - - - - Date 01-31 - * 7fc 0 FT 0 0 0 - - - Day 01-07 - * 7fb KS 0 - - - - - - Hours 00-23 - * 7fa 0 - - - - - - - Minutes 00-59 - * 7f9 ST - - - - - - - Seconds 00-59 - * 7f8 W R S - - - - - Control - * - * * ST is STOP BIT - * * W is WRITE BIT - * * R is READ BIT - * * S is SIGN BIT - * * FT is FREQ TEST BIT - * * KS is KICK START BIT - */ - -/* The Mostek 48t02 real time clock and NVRAM chip. The registers - * other than the control register are in binary coded decimal. Some - * control bits also live outside the control register. - * - * We now deal with physical addresses for I/O to the chip. -DaveM - */ -static inline u8 mostek_read(void __iomem *addr) -{ - u8 ret; - - __asm__ __volatile__("lduba [%1] %2, %0" - : "=r" (ret) - : "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E)); - return ret; -} - -static inline void mostek_write(void __iomem *addr, u8 val) -{ - __asm__ __volatile__("stba %0, [%1] %2" - : /* no outputs */ - : "r" (val), "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E)); -} - -#define MOSTEK_EEPROM 0x0000UL -#define MOSTEK_IDPROM 0x07d8UL -#define MOSTEK_CREG 0x07f8UL -#define MOSTEK_SEC 0x07f9UL -#define MOSTEK_MIN 0x07faUL -#define MOSTEK_HOUR 0x07fbUL -#define MOSTEK_DOW 0x07fcUL -#define MOSTEK_DOM 0x07fdUL -#define MOSTEK_MONTH 0x07feUL -#define MOSTEK_YEAR 0x07ffUL - -extern spinlock_t mostek_lock; -extern void __iomem *mstk48t02_regs; - -/* Control register values. */ -#define MSTK_CREG_WRITE 0x80 /* Must set this before placing values. */ -#define MSTK_CREG_READ 0x40 /* Stop updates to allow a clean read. */ -#define MSTK_CREG_SIGN 0x20 /* Slow/speed clock in calibration mode. */ - -/* Control bits that live in the other registers. */ -#define MSTK_STOP 0x80 /* Stop the clock oscillator. (sec) */ -#define MSTK_KICK_START 0x80 /* Kick start the clock chip. (hour) */ -#define MSTK_FREQ_TEST 0x40 /* Frequency test mode. (day) */ - -#define MSTK_YEAR_ZERO 1968 /* If year reg has zero, it is 1968. */ -#define MSTK_CVT_YEAR(yr) ((yr) + MSTK_YEAR_ZERO) - -/* Masks that define how much space each value takes up. */ -#define MSTK_SEC_MASK 0x7f -#define MSTK_MIN_MASK 0x7f -#define MSTK_HOUR_MASK 0x3f -#define MSTK_DOW_MASK 0x07 -#define MSTK_DOM_MASK 0x3f -#define MSTK_MONTH_MASK 0x1f -#define MSTK_YEAR_MASK 0xffU - -/* Binary coded decimal conversion macros. */ -#define MSTK_REGVAL_TO_DECIMAL(x) (((x) & 0x0F) + 0x0A * ((x) >> 0x04)) -#define MSTK_DECIMAL_TO_REGVAL(x) ((((x) / 0x0A) << 0x04) + ((x) % 0x0A)) - -/* Generic register set and get macros for internal use. */ -#define MSTK_GET(regs,name) \ - (MSTK_REGVAL_TO_DECIMAL(mostek_read(regs + MOSTEK_ ## name) & MSTK_ ## name ## _MASK)) -#define MSTK_SET(regs,name,value) \ -do { u8 __val = mostek_read(regs + MOSTEK_ ## name); \ - __val &= ~(MSTK_ ## name ## _MASK); \ - __val |= (MSTK_DECIMAL_TO_REGVAL(value) & \ - (MSTK_ ## name ## _MASK)); \ - mostek_write(regs + MOSTEK_ ## name, __val); \ -} while(0) - -/* Macros to make register access easier on our fingers. These give you - * the decimal value of the register requested if applicable. You pass - * the a pointer to a 'struct mostek48t02'. - */ -#define MSTK_REG_CREG(regs) (mostek_read((regs) + MOSTEK_CREG)) -#define MSTK_REG_SEC(regs) MSTK_GET(regs,SEC) -#define MSTK_REG_MIN(regs) MSTK_GET(regs,MIN) -#define MSTK_REG_HOUR(regs) MSTK_GET(regs,HOUR) -#define MSTK_REG_DOW(regs) MSTK_GET(regs,DOW) -#define MSTK_REG_DOM(regs) MSTK_GET(regs,DOM) -#define MSTK_REG_MONTH(regs) MSTK_GET(regs,MONTH) -#define MSTK_REG_YEAR(regs) MSTK_GET(regs,YEAR) - -#define MSTK_SET_REG_SEC(regs,value) MSTK_SET(regs,SEC,value) -#define MSTK_SET_REG_MIN(regs,value) MSTK_SET(regs,MIN,value) -#define MSTK_SET_REG_HOUR(regs,value) MSTK_SET(regs,HOUR,value) -#define MSTK_SET_REG_DOW(regs,value) MSTK_SET(regs,DOW,value) -#define MSTK_SET_REG_DOM(regs,value) MSTK_SET(regs,DOM,value) -#define MSTK_SET_REG_MONTH(regs,value) MSTK_SET(regs,MONTH,value) -#define MSTK_SET_REG_YEAR(regs,value) MSTK_SET(regs,YEAR,value) - - -/* The Mostek 48t08 clock chip. Found on Sun4m's I think. It has the - * same (basically) layout of the 48t02 chip except for the extra - * NVRAM on board (8 KB against the 48t02's 2 KB). - */ -#define MOSTEK_48T08_OFFSET 0x0000UL /* Lower NVRAM portions */ -#define MOSTEK_48T08_48T02 0x1800UL /* Offset to 48T02 chip */ - -/* SUN5 systems usually have 48t59 model clock chipsets. But we keep the older - * clock chip definitions around just in case. - */ -#define MOSTEK_48T59_OFFSET 0x0000UL /* Lower NVRAM portions */ -#define MOSTEK_48T59_48T02 0x1800UL /* Offset to 48T02 chip */ - -#endif /* !(_SPARC64_MOSTEK_H) */ diff --git a/arch/sparc/include/asm/mpmbox.h b/arch/sparc/include/asm/mpmbox.h deleted file mode 100644 index f8423039b24..00000000000 --- a/arch/sparc/include/asm/mpmbox.h +++ /dev/null @@ -1,67 +0,0 @@ -/* - * mpmbox.h: Interface and defines for the OpenProm mailbox - * facilities for MP machines under Linux. - * - * Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu) - */ - -#ifndef _SPARC_MPMBOX_H -#define _SPARC_MPMBOX_H - -/* The prom allocates, for each CPU on the machine an unsigned - * byte in physical ram. You probe the device tree prom nodes - * for these values. The purpose of this byte is to be able to - * pass messages from one cpu to another. - */ - -/* These are the main message types we have to look for in our - * Cpu mailboxes, based upon these values we decide what course - * of action to take. - */ - -/* The CPU is executing code in the kernel. */ -#define MAILBOX_ISRUNNING 0xf0 - -/* Another CPU called romvec->pv_exit(), you should call - * prom_stopcpu() when you see this in your mailbox. - */ -#define MAILBOX_EXIT 0xfb - -/* Another CPU called romvec->pv_enter(), you should call - * prom_cpuidle() when this is seen. - */ -#define MAILBOX_GOSPIN 0xfc - -/* Another CPU has hit a breakpoint either into kadb or the prom - * itself. Just like MAILBOX_GOSPIN, you should call prom_cpuidle() - * at this point. - */ -#define MAILBOX_BPT_SPIN 0xfd - -/* Oh geese, some other nitwit got a damn watchdog reset. The party's - * over so go call prom_stopcpu(). - */ -#define MAILBOX_WDOG_STOP 0xfe - -#ifndef __ASSEMBLY__ - -/* Handy macro's to determine a cpu's state. */ - -/* Is the cpu still in Power On Self Test? */ -#define MBOX_POST_P(letter) ((letter) >= 0x00 && (letter) <= 0x7f) - -/* Is the cpu at the 'ok' prompt of the PROM? */ -#define MBOX_PROMPROMPT_P(letter) ((letter) >= 0x80 && (letter) <= 0x8f) - -/* Is the cpu spinning in the PROM? */ -#define MBOX_PROMSPIN_P(letter) ((letter) >= 0x90 && (letter) <= 0xef) - -/* Sanity check... This is junk mail, throw it out. */ -#define MBOX_BOGON_P(letter) ((letter) >= 0xf1 && (letter) <= 0xfa) - -/* Is the cpu actively running an application/kernel-code? */ -#define MBOX_RUNNING_P(letter) ((letter) == MAILBOX_ISRUNNING) - -#endif /* !(__ASSEMBLY__) */ - -#endif /* !(_SPARC_MPMBOX_H) */ diff --git a/arch/sparc/include/asm/msgbuf.h b/arch/sparc/include/asm/msgbuf.h deleted file mode 100644 index efc7cbe9788..00000000000 --- a/arch/sparc/include/asm/msgbuf.h +++ /dev/null @@ -1,38 +0,0 @@ -#ifndef _SPARC_MSGBUF_H -#define _SPARC_MSGBUF_H - -/* - * The msqid64_ds structure for sparc64 architecture. - * Note extra padding because this structure is passed back and forth - * between kernel and user space. - * - * Pad space is left for: - * - 64-bit time_t to solve y2038 problem - * - 2 miscellaneous 32-bit values - */ - -#if defined(__sparc__) && defined(__arch64__) -# define PADDING(x) -#else -# define PADDING(x) unsigned int x; -#endif - - -struct msqid64_ds { - struct ipc64_perm msg_perm; - PADDING(__pad1) - __kernel_time_t msg_stime; /* last msgsnd time */ - PADDING(__pad2) - __kernel_time_t msg_rtime; /* last msgrcv time */ - PADDING(__pad3) - __kernel_time_t msg_ctime; /* last change time */ - unsigned long msg_cbytes; /* current number of bytes on queue */ - unsigned long msg_qnum; /* number of messages in queue */ - unsigned long msg_qbytes; /* max number of bytes on queue */ - __kernel_pid_t msg_lspid; /* pid of last msgsnd */ - __kernel_pid_t msg_lrpid; /* last receive pid */ - unsigned long __unused1; - unsigned long __unused2; -}; -#undef PADDING -#endif /* _SPARC_MSGBUF_H */ diff --git a/arch/sparc/include/asm/mutex.h b/arch/sparc/include/asm/mutex.h deleted file mode 100644 index 458c1f7fbc1..00000000000 --- a/arch/sparc/include/asm/mutex.h +++ /dev/null @@ -1,9 +0,0 @@ -/* - * Pull in the generic implementation for the mutex fastpath. - * - * TODO: implement optimized primitives instead, or leave the generic - * implementation in place, or pick the atomic_xchg() based generic - * implementation. (see asm-generic/mutex-xchg.h for details) - */ - -#include <asm-generic/mutex-dec.h> diff --git a/arch/sparc/include/asm/nmi.h b/arch/sparc/include/asm/nmi.h new file mode 100644 index 00000000000..26ad2b2607c --- /dev/null +++ b/arch/sparc/include/asm/nmi.h @@ -0,0 +1,13 @@ +#ifndef __NMI_H +#define __NMI_H + +int __init nmi_init(void); +void perfctr_irq(int irq, struct pt_regs *regs); +void nmi_adjust_hz(unsigned int new_hz); + +extern atomic_t nmi_active; + +void start_nmi_watchdog(void *unused); +void stop_nmi_watchdog(void *unused); + +#endif /* __NMI_H */ diff --git a/arch/sparc/include/asm/ns87303.h b/arch/sparc/include/asm/ns87303.h index 686defe6aaa..6b947ee0f6a 100644 --- a/arch/sparc/include/asm/ns87303.h +++ b/arch/sparc/include/asm/ns87303.h @@ -37,7 +37,7 @@ /* Power and Test Register (PTR) bits */ #define PTR_LPTB_IRQ7 0x08 #define PTR_LEVEL_IRQ 0x80 /* When not ECP/EPP: Use level IRQ */ -#define PTR_LPT_REG_DIR 0x80 /* When ECP/EPP: LPT CTR controlls direction */ +#define PTR_LPT_REG_DIR 0x80 /* When ECP/EPP: LPT CTR controls direction */ /* of the parallel port */ /* Function Control Register (FCR) bits */ @@ -79,7 +79,6 @@ #include <linux/spinlock.h> -#include <asm/system.h> #include <asm/io.h> extern spinlock_t ns87303_lock; diff --git a/arch/sparc/include/asm/obio.h b/arch/sparc/include/asm/obio.h index 1a7544ceb57..910c1d9af1f 100644 --- a/arch/sparc/include/asm/obio.h +++ b/arch/sparc/include/asm/obio.h @@ -155,17 +155,6 @@ static inline void bw_set_ctrl(int cpu, unsigned ctrl) "i" (ASI_M_CTL)); } -extern unsigned char cpu_leds[32]; - -static inline void show_leds(int cpuid) -{ - cpuid &= 0x1e; - __asm__ __volatile__ ("stba %0, [%1] %2" : : - "r" ((cpu_leds[cpuid] << 4) | cpu_leds[cpuid+1]), - "r" (ECSR_BASE(cpuid) | BB_LEDS), - "i" (ASI_M_CTL)); -} - static inline unsigned cc_get_ipen(void) { unsigned pending; @@ -231,19 +220,6 @@ static inline void cc_set_igen(unsigned gen) "i" (ASI_M_MXCC)); } -/* +-------+-------------+-----------+------------------------------------+ - * | bcast | devid | sid | levels mask | - * +-------+-------------+-----------+------------------------------------+ - * 31 30 23 22 15 14 0 - */ -#define IGEN_MESSAGE(bcast, devid, sid, levels) \ - (((bcast) << 31) | ((devid) << 23) | ((sid) << 15) | (levels)) - -static inline void sun4d_send_ipi(int cpu, int level) -{ - cc_set_igen(IGEN_MESSAGE(0, cpu << 3, 6 + ((level >> 1) & 7), 1 << (level - 1))); -} - #endif /* !__ASSEMBLY__ */ #endif /* !(_SPARC_OBIO_H) */ diff --git a/arch/sparc/include/asm/of_device.h b/arch/sparc/include/asm/of_device.h deleted file mode 100644 index bba777a416d..00000000000 --- a/arch/sparc/include/asm/of_device.h +++ /dev/null @@ -1,37 +0,0 @@ -#ifndef _ASM_SPARC_OF_DEVICE_H -#define _ASM_SPARC_OF_DEVICE_H -#ifdef __KERNEL__ - -#include <linux/device.h> -#include <linux/of.h> -#include <linux/mod_devicetable.h> -#include <asm/openprom.h> - -/* - * The of_device is a kind of "base class" that is a superset of - * struct device for use by devices attached to an OF node and - * probed using OF properties. - */ -struct of_device -{ - struct device_node *node; - struct device dev; - struct resource resource[PROMREG_MAX]; - unsigned int irqs[PROMINTR_MAX]; - int num_irqs; - - void *sysdata; - - int slot; - int portid; - int clock_freq; -}; - -extern void __iomem *of_ioremap(struct resource *res, unsigned long offset, unsigned long size, char *name); -extern void of_iounmap(struct resource *res, void __iomem *base, unsigned long size); - -/* This is just here during the transition */ -#include <linux/of_platform.h> - -#endif /* __KERNEL__ */ -#endif /* _ASM_SPARC_OF_DEVICE_H */ diff --git a/arch/sparc/include/asm/of_platform.h b/arch/sparc/include/asm/of_platform.h deleted file mode 100644 index 2348ab90a57..00000000000 --- a/arch/sparc/include/asm/of_platform.h +++ /dev/null @@ -1,21 +0,0 @@ -#ifndef ___ASM_SPARC_OF_PLATFORM_H -#define ___ASM_SPARC_OF_PLATFORM_H -/* - * Copyright (C) 2006 Benjamin Herrenschmidt, IBM Corp. - * <benh@kernel.crashing.org> - * Modified for Sparc by merging parts of asm/of_device.h - * by Stephen Rothwell - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version - * 2 of the License, or (at your option) any later version. - * - */ - -extern struct bus_type ebus_bus_type; -extern struct bus_type sbus_bus_type; - -#define of_bus_type of_platform_bus_type /* for compatibility */ - -#endif diff --git a/arch/sparc/include/asm/openprom.h b/arch/sparc/include/asm/openprom.h index aaeae905ed3..47eaafad15c 100644 --- a/arch/sparc/include/asm/openprom.h +++ b/arch/sparc/include/asm/openprom.h @@ -1,8 +1,279 @@ -#ifndef ___ASM_SPARC_OPENPROM_H -#define ___ASM_SPARC_OPENPROM_H +#ifndef __SPARC_OPENPROM_H +#define __SPARC_OPENPROM_H + +/* openprom.h: Prom structures and defines for access to the OPENBOOT + * prom routines and data areas. + * + * Copyright (C) 1995,1996 David S. Miller (davem@caip.rutgers.edu) + */ + +/* Empirical constants... */ +#define LINUX_OPPROM_MAGIC 0x10010407 + +#ifndef __ASSEMBLY__ +#include <linux/of.h> + +/* V0 prom device operations. */ +struct linux_dev_v0_funcs { + int (*v0_devopen)(char *device_str); + int (*v0_devclose)(int dev_desc); + int (*v0_rdblkdev)(int dev_desc, int num_blks, int blk_st, char *buf); + int (*v0_wrblkdev)(int dev_desc, int num_blks, int blk_st, char *buf); + int (*v0_wrnetdev)(int dev_desc, int num_bytes, char *buf); + int (*v0_rdnetdev)(int dev_desc, int num_bytes, char *buf); + int (*v0_rdchardev)(int dev_desc, int num_bytes, int dummy, char *buf); + int (*v0_wrchardev)(int dev_desc, int num_bytes, int dummy, char *buf); + int (*v0_seekdev)(int dev_desc, long logical_offst, int from); +}; + +/* V2 and later prom device operations. */ +struct linux_dev_v2_funcs { + phandle (*v2_inst2pkg)(int d); /* Convert ihandle to phandle */ + char * (*v2_dumb_mem_alloc)(char *va, unsigned sz); + void (*v2_dumb_mem_free)(char *va, unsigned sz); + + /* To map devices into virtual I/O space. */ + char * (*v2_dumb_mmap)(char *virta, int which_io, unsigned paddr, unsigned sz); + void (*v2_dumb_munmap)(char *virta, unsigned size); + + int (*v2_dev_open)(char *devpath); + void (*v2_dev_close)(int d); + int (*v2_dev_read)(int d, char *buf, int nbytes); + int (*v2_dev_write)(int d, const char *buf, int nbytes); + int (*v2_dev_seek)(int d, int hi, int lo); + + /* Never issued (multistage load support) */ + void (*v2_wheee2)(void); + void (*v2_wheee3)(void); +}; + +struct linux_mlist_v0 { + struct linux_mlist_v0 *theres_more; + unsigned int start_adr; + unsigned num_bytes; +}; + +struct linux_mem_v0 { + struct linux_mlist_v0 **v0_totphys; + struct linux_mlist_v0 **v0_prommap; + struct linux_mlist_v0 **v0_available; /* What we can use */ +}; + +/* Arguments sent to the kernel from the boot prompt. */ +struct linux_arguments_v0 { + char *argv[8]; + char args[100]; + char boot_dev[2]; + int boot_dev_ctrl; + int boot_dev_unit; + int dev_partition; + char *kernel_file_name; + void *aieee1; /* XXX */ +}; + +/* V2 and up boot things. */ +struct linux_bootargs_v2 { + char **bootpath; + char **bootargs; + int *fd_stdin; + int *fd_stdout; +}; + +/* The top level PROM vector. */ +struct linux_romvec { + /* Version numbers. */ + unsigned int pv_magic_cookie; + unsigned int pv_romvers; + unsigned int pv_plugin_revision; + unsigned int pv_printrev; + + /* Version 0 memory descriptors. */ + struct linux_mem_v0 pv_v0mem; + + /* Node operations. */ + struct linux_nodeops *pv_nodeops; + + char **pv_bootstr; + struct linux_dev_v0_funcs pv_v0devops; + + char *pv_stdin; + char *pv_stdout; +#define PROMDEV_KBD 0 /* input from keyboard */ +#define PROMDEV_SCREEN 0 /* output to screen */ +#define PROMDEV_TTYA 1 /* in/out to ttya */ +#define PROMDEV_TTYB 2 /* in/out to ttyb */ + + /* Blocking getchar/putchar. NOT REENTRANT! (grr) */ + int (*pv_getchar)(void); + void (*pv_putchar)(int ch); + + /* Non-blocking variants. */ + int (*pv_nbgetchar)(void); + int (*pv_nbputchar)(int ch); + + void (*pv_putstr)(char *str, int len); + + /* Miscellany. */ + void (*pv_reboot)(char *bootstr); + void (*pv_printf)(__const__ char *fmt, ...); + void (*pv_abort)(void); + __volatile__ int *pv_ticks; + void (*pv_halt)(void); + void (**pv_synchook)(void); + + /* Evaluate a forth string, not different proto for V0 and V2->up. */ + union { + void (*v0_eval)(int len, char *str); + void (*v2_eval)(char *str); + } pv_fortheval; + + struct linux_arguments_v0 **pv_v0bootargs; + + /* Get ether address. */ + unsigned int (*pv_enaddr)(int d, char *enaddr); + + struct linux_bootargs_v2 pv_v2bootargs; + struct linux_dev_v2_funcs pv_v2devops; + + int filler[15]; + + /* This one is sun4c/sun4 only. */ + void (*pv_setctxt)(int ctxt, char *va, int pmeg); + + /* Prom version 3 Multiprocessor routines. This stuff is crazy. + * No joke. Calling these when there is only one cpu probably + * crashes the machine, have to test this. :-) + */ + + /* v3_cpustart() will start the cpu 'whichcpu' in mmu-context + * 'thiscontext' executing at address 'prog_counter' + */ + int (*v3_cpustart)(unsigned int whichcpu, int ctxtbl_ptr, + int thiscontext, char *prog_counter); + + /* v3_cpustop() will cause cpu 'whichcpu' to stop executing + * until a resume cpu call is made. + */ + int (*v3_cpustop)(unsigned int whichcpu); + + /* v3_cpuidle() will idle cpu 'whichcpu' until a stop or + * resume cpu call is made. + */ + int (*v3_cpuidle)(unsigned int whichcpu); + + /* v3_cpuresume() will resume processor 'whichcpu' executing + * starting with whatever 'pc' and 'npc' were left at the + * last 'idle' or 'stop' call. + */ + int (*v3_cpuresume)(unsigned int whichcpu); +}; + +/* Routines for traversing the prom device tree. */ +struct linux_nodeops { + phandle (*no_nextnode)(phandle node); + phandle (*no_child)(phandle node); + int (*no_proplen)(phandle node, const char *name); + int (*no_getprop)(phandle node, const char *name, char *val); + int (*no_setprop)(phandle node, const char *name, char *val, int len); + char * (*no_nextprop)(phandle node, char *name); +}; + +/* More fun PROM structures for device probing. */ #if defined(__sparc__) && defined(__arch64__) -#include <asm/openprom_64.h> +#define PROMREG_MAX 24 +#define PROMVADDR_MAX 16 +#define PROMINTR_MAX 32 #else -#include <asm/openprom_32.h> +#define PROMREG_MAX 16 +#define PROMVADDR_MAX 16 +#define PROMINTR_MAX 15 #endif + +struct linux_prom_registers { + unsigned int which_io; /* hi part of physical address */ + unsigned int phys_addr; /* The physical address of this register */ + unsigned int reg_size; /* How many bytes does this register take up? */ +}; + +struct linux_prom64_registers { + unsigned long phys_addr; + unsigned long reg_size; +}; + +struct linux_prom_irqs { + int pri; /* IRQ priority */ + int vector; /* This is foobar, what does it do? */ +}; + +/* Element of the "ranges" vector */ +struct linux_prom_ranges { + unsigned int ot_child_space; + unsigned int ot_child_base; /* Bus feels this */ + unsigned int ot_parent_space; + unsigned int ot_parent_base; /* CPU looks from here */ + unsigned int or_size; +}; + +/* + * Ranges and reg properties are a bit different for PCI. + */ +#if defined(__sparc__) && defined(__arch64__) +struct linux_prom_pci_registers { + unsigned int phys_hi; + unsigned int phys_mid; + unsigned int phys_lo; + + unsigned int size_hi; + unsigned int size_lo; +}; +#else +struct linux_prom_pci_registers { + /* + * We don't know what information this field contain. + * We guess, PCI device function is in bits 15:8 + * So, ... + */ + unsigned int which_io; /* Let it be which_io */ + + unsigned int phys_hi; + unsigned int phys_lo; + + unsigned int size_hi; + unsigned int size_lo; +}; + #endif + +struct linux_prom_pci_ranges { + unsigned int child_phys_hi; /* Only certain bits are encoded here. */ + unsigned int child_phys_mid; + unsigned int child_phys_lo; + + unsigned int parent_phys_hi; + unsigned int parent_phys_lo; + + unsigned int size_hi; + unsigned int size_lo; +}; + +struct linux_prom_pci_intmap { + unsigned int phys_hi; + unsigned int phys_mid; + unsigned int phys_lo; + + unsigned int interrupt; + + int cnode; + unsigned int cinterrupt; +}; + +struct linux_prom_pci_intmask { + unsigned int phys_hi; + unsigned int phys_mid; + unsigned int phys_lo; + unsigned int interrupt; +}; + +#endif /* !(__ASSEMBLY__) */ + +#endif /* !(__SPARC_OPENPROM_H) */ diff --git a/arch/sparc/include/asm/openprom_32.h b/arch/sparc/include/asm/openprom_32.h deleted file mode 100644 index 8b1649f29ed..00000000000 --- a/arch/sparc/include/asm/openprom_32.h +++ /dev/null @@ -1,255 +0,0 @@ -#ifndef __SPARC_OPENPROM_H -#define __SPARC_OPENPROM_H - -/* openprom.h: Prom structures and defines for access to the OPENBOOT - * prom routines and data areas. - * - * Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu) - */ - -/* Empirical constants... */ -#define LINUX_OPPROM_MAGIC 0x10010407 - -#ifndef __ASSEMBLY__ -/* V0 prom device operations. */ -struct linux_dev_v0_funcs { - int (*v0_devopen)(char *device_str); - int (*v0_devclose)(int dev_desc); - int (*v0_rdblkdev)(int dev_desc, int num_blks, int blk_st, char *buf); - int (*v0_wrblkdev)(int dev_desc, int num_blks, int blk_st, char *buf); - int (*v0_wrnetdev)(int dev_desc, int num_bytes, char *buf); - int (*v0_rdnetdev)(int dev_desc, int num_bytes, char *buf); - int (*v0_rdchardev)(int dev_desc, int num_bytes, int dummy, char *buf); - int (*v0_wrchardev)(int dev_desc, int num_bytes, int dummy, char *buf); - int (*v0_seekdev)(int dev_desc, long logical_offst, int from); -}; - -/* V2 and later prom device operations. */ -struct linux_dev_v2_funcs { - int (*v2_inst2pkg)(int d); /* Convert ihandle to phandle */ - char * (*v2_dumb_mem_alloc)(char *va, unsigned sz); - void (*v2_dumb_mem_free)(char *va, unsigned sz); - - /* To map devices into virtual I/O space. */ - char * (*v2_dumb_mmap)(char *virta, int which_io, unsigned paddr, unsigned sz); - void (*v2_dumb_munmap)(char *virta, unsigned size); - - int (*v2_dev_open)(char *devpath); - void (*v2_dev_close)(int d); - int (*v2_dev_read)(int d, char *buf, int nbytes); - int (*v2_dev_write)(int d, char *buf, int nbytes); - int (*v2_dev_seek)(int d, int hi, int lo); - - /* Never issued (multistage load support) */ - void (*v2_wheee2)(void); - void (*v2_wheee3)(void); -}; - -struct linux_mlist_v0 { - struct linux_mlist_v0 *theres_more; - char *start_adr; - unsigned num_bytes; -}; - -struct linux_mem_v0 { - struct linux_mlist_v0 **v0_totphys; - struct linux_mlist_v0 **v0_prommap; - struct linux_mlist_v0 **v0_available; /* What we can use */ -}; - -/* Arguments sent to the kernel from the boot prompt. */ -struct linux_arguments_v0 { - char *argv[8]; - char args[100]; - char boot_dev[2]; - int boot_dev_ctrl; - int boot_dev_unit; - int dev_partition; - char *kernel_file_name; - void *aieee1; /* XXX */ -}; - -/* V2 and up boot things. */ -struct linux_bootargs_v2 { - char **bootpath; - char **bootargs; - int *fd_stdin; - int *fd_stdout; -}; - -/* The top level PROM vector. */ -struct linux_romvec { - /* Version numbers. */ - unsigned int pv_magic_cookie; - unsigned int pv_romvers; - unsigned int pv_plugin_revision; - unsigned int pv_printrev; - - /* Version 0 memory descriptors. */ - struct linux_mem_v0 pv_v0mem; - - /* Node operations. */ - struct linux_nodeops *pv_nodeops; - - char **pv_bootstr; - struct linux_dev_v0_funcs pv_v0devops; - - char *pv_stdin; - char *pv_stdout; -#define PROMDEV_KBD 0 /* input from keyboard */ -#define PROMDEV_SCREEN 0 /* output to screen */ -#define PROMDEV_TTYA 1 /* in/out to ttya */ -#define PROMDEV_TTYB 2 /* in/out to ttyb */ - - /* Blocking getchar/putchar. NOT REENTRANT! (grr) */ - int (*pv_getchar)(void); - void (*pv_putchar)(int ch); - - /* Non-blocking variants. */ - int (*pv_nbgetchar)(void); - int (*pv_nbputchar)(int ch); - - void (*pv_putstr)(char *str, int len); - - /* Miscellany. */ - void (*pv_reboot)(char *bootstr); - void (*pv_printf)(__const__ char *fmt, ...); - void (*pv_abort)(void); - __volatile__ int *pv_ticks; - void (*pv_halt)(void); - void (**pv_synchook)(void); - - /* Evaluate a forth string, not different proto for V0 and V2->up. */ - union { - void (*v0_eval)(int len, char *str); - void (*v2_eval)(char *str); - } pv_fortheval; - - struct linux_arguments_v0 **pv_v0bootargs; - - /* Get ether address. */ - unsigned int (*pv_enaddr)(int d, char *enaddr); - - struct linux_bootargs_v2 pv_v2bootargs; - struct linux_dev_v2_funcs pv_v2devops; - - int filler[15]; - - /* This one is sun4c/sun4 only. */ - void (*pv_setctxt)(int ctxt, char *va, int pmeg); - - /* Prom version 3 Multiprocessor routines. This stuff is crazy. - * No joke. Calling these when there is only one cpu probably - * crashes the machine, have to test this. :-) - */ - - /* v3_cpustart() will start the cpu 'whichcpu' in mmu-context - * 'thiscontext' executing at address 'prog_counter' - */ - int (*v3_cpustart)(unsigned int whichcpu, int ctxtbl_ptr, - int thiscontext, char *prog_counter); - - /* v3_cpustop() will cause cpu 'whichcpu' to stop executing - * until a resume cpu call is made. - */ - int (*v3_cpustop)(unsigned int whichcpu); - - /* v3_cpuidle() will idle cpu 'whichcpu' until a stop or - * resume cpu call is made. - */ - int (*v3_cpuidle)(unsigned int whichcpu); - - /* v3_cpuresume() will resume processor 'whichcpu' executing - * starting with whatever 'pc' and 'npc' were left at the - * last 'idle' or 'stop' call. - */ - int (*v3_cpuresume)(unsigned int whichcpu); -}; - -/* Routines for traversing the prom device tree. */ -struct linux_nodeops { - int (*no_nextnode)(int node); - int (*no_child)(int node); - int (*no_proplen)(int node, char *name); - int (*no_getprop)(int node, char *name, char *val); - int (*no_setprop)(int node, char *name, char *val, int len); - char * (*no_nextprop)(int node, char *name); -}; - -/* More fun PROM structures for device probing. */ -#define PROMREG_MAX 16 -#define PROMVADDR_MAX 16 -#define PROMINTR_MAX 15 - -struct linux_prom_registers { - unsigned int which_io; /* is this in OBIO space? */ - unsigned int phys_addr; /* The physical address of this register */ - unsigned int reg_size; /* How many bytes does this register take up? */ -}; - -struct linux_prom_irqs { - int pri; /* IRQ priority */ - int vector; /* This is foobar, what does it do? */ -}; - -/* Element of the "ranges" vector */ -struct linux_prom_ranges { - unsigned int ot_child_space; - unsigned int ot_child_base; /* Bus feels this */ - unsigned int ot_parent_space; - unsigned int ot_parent_base; /* CPU looks from here */ - unsigned int or_size; -}; - -/* Ranges and reg properties are a bit different for PCI. */ -struct linux_prom_pci_registers { - /* - * We don't know what information this field contain. - * We guess, PCI device function is in bits 15:8 - * So, ... - */ - unsigned int which_io; /* Let it be which_io */ - - unsigned int phys_hi; - unsigned int phys_lo; - - unsigned int size_hi; - unsigned int size_lo; -}; - -struct linux_prom_pci_ranges { - unsigned int child_phys_hi; /* Only certain bits are encoded here. */ - unsigned int child_phys_mid; - unsigned int child_phys_lo; - - unsigned int parent_phys_hi; - unsigned int parent_phys_lo; - - unsigned int size_hi; - unsigned int size_lo; -}; - -struct linux_prom_pci_assigned_addresses { - unsigned int which_io; - - unsigned int phys_hi; - unsigned int phys_lo; - - unsigned int size_hi; - unsigned int size_lo; -}; - -struct linux_prom_ebus_ranges { - unsigned int child_phys_hi; - unsigned int child_phys_lo; - - unsigned int parent_phys_hi; - unsigned int parent_phys_mid; - unsigned int parent_phys_lo; - - unsigned int size; -}; - -#endif /* !(__ASSEMBLY__) */ - -#endif /* !(__SPARC_OPENPROM_H) */ diff --git a/arch/sparc/include/asm/openprom_64.h b/arch/sparc/include/asm/openprom_64.h deleted file mode 100644 index b69e4a8c917..00000000000 --- a/arch/sparc/include/asm/openprom_64.h +++ /dev/null @@ -1,280 +0,0 @@ -#ifndef __SPARC64_OPENPROM_H -#define __SPARC64_OPENPROM_H - -/* openprom.h: Prom structures and defines for access to the OPENBOOT - * prom routines and data areas. - * - * Copyright (C) 1996 David S. Miller (davem@caip.rutgers.edu) - */ - -#ifndef __ASSEMBLY__ -/* V0 prom device operations. */ -struct linux_dev_v0_funcs { - int (*v0_devopen)(char *device_str); - int (*v0_devclose)(int dev_desc); - int (*v0_rdblkdev)(int dev_desc, int num_blks, int blk_st, char *buf); - int (*v0_wrblkdev)(int dev_desc, int num_blks, int blk_st, char *buf); - int (*v0_wrnetdev)(int dev_desc, int num_bytes, char *buf); - int (*v0_rdnetdev)(int dev_desc, int num_bytes, char *buf); - int (*v0_rdchardev)(int dev_desc, int num_bytes, int dummy, char *buf); - int (*v0_wrchardev)(int dev_desc, int num_bytes, int dummy, char *buf); - int (*v0_seekdev)(int dev_desc, long logical_offst, int from); -}; - -/* V2 and later prom device operations. */ -struct linux_dev_v2_funcs { - int (*v2_inst2pkg)(int d); /* Convert ihandle to phandle */ - char * (*v2_dumb_mem_alloc)(char *va, unsigned sz); - void (*v2_dumb_mem_free)(char *va, unsigned sz); - - /* To map devices into virtual I/O space. */ - char * (*v2_dumb_mmap)(char *virta, int which_io, unsigned paddr, unsigned sz); - void (*v2_dumb_munmap)(char *virta, unsigned size); - - int (*v2_dev_open)(char *devpath); - void (*v2_dev_close)(int d); - int (*v2_dev_read)(int d, char *buf, int nbytes); - int (*v2_dev_write)(int d, char *buf, int nbytes); - int (*v2_dev_seek)(int d, int hi, int lo); - - /* Never issued (multistage load support) */ - void (*v2_wheee2)(void); - void (*v2_wheee3)(void); -}; - -struct linux_mlist_v0 { - struct linux_mlist_v0 *theres_more; - unsigned start_adr; - unsigned num_bytes; -}; - -struct linux_mem_v0 { - struct linux_mlist_v0 **v0_totphys; - struct linux_mlist_v0 **v0_prommap; - struct linux_mlist_v0 **v0_available; /* What we can use */ -}; - -/* Arguments sent to the kernel from the boot prompt. */ -struct linux_arguments_v0 { - char *argv[8]; - char args[100]; - char boot_dev[2]; - int boot_dev_ctrl; - int boot_dev_unit; - int dev_partition; - char *kernel_file_name; - void *aieee1; /* XXX */ -}; - -/* V2 and up boot things. */ -struct linux_bootargs_v2 { - char **bootpath; - char **bootargs; - int *fd_stdin; - int *fd_stdout; -}; - -/* The top level PROM vector. */ -struct linux_romvec { - /* Version numbers. */ - unsigned int pv_magic_cookie; - unsigned int pv_romvers; - unsigned int pv_plugin_revision; - unsigned int pv_printrev; - - /* Version 0 memory descriptors. */ - struct linux_mem_v0 pv_v0mem; - - /* Node operations. */ - struct linux_nodeops *pv_nodeops; - - char **pv_bootstr; - struct linux_dev_v0_funcs pv_v0devops; - - char *pv_stdin; - char *pv_stdout; -#define PROMDEV_KBD 0 /* input from keyboard */ -#define PROMDEV_SCREEN 0 /* output to screen */ -#define PROMDEV_TTYA 1 /* in/out to ttya */ -#define PROMDEV_TTYB 2 /* in/out to ttyb */ - - /* Blocking getchar/putchar. NOT REENTRANT! (grr) */ - int (*pv_getchar)(void); - void (*pv_putchar)(int ch); - - /* Non-blocking variants. */ - int (*pv_nbgetchar)(void); - int (*pv_nbputchar)(int ch); - - void (*pv_putstr)(char *str, int len); - - /* Miscellany. */ - void (*pv_reboot)(char *bootstr); - void (*pv_printf)(__const__ char *fmt, ...); - void (*pv_abort)(void); - __volatile__ int *pv_ticks; - void (*pv_halt)(void); - void (**pv_synchook)(void); - - /* Evaluate a forth string, not different proto for V0 and V2->up. */ - union { - void (*v0_eval)(int len, char *str); - void (*v2_eval)(char *str); - } pv_fortheval; - - struct linux_arguments_v0 **pv_v0bootargs; - - /* Get ether address. */ - unsigned int (*pv_enaddr)(int d, char *enaddr); - - struct linux_bootargs_v2 pv_v2bootargs; - struct linux_dev_v2_funcs pv_v2devops; - - int filler[15]; - - /* This one is sun4c/sun4 only. */ - void (*pv_setctxt)(int ctxt, char *va, int pmeg); - - /* Prom version 3 Multiprocessor routines. This stuff is crazy. - * No joke. Calling these when there is only one cpu probably - * crashes the machine, have to test this. :-) - */ - - /* v3_cpustart() will start the cpu 'whichcpu' in mmu-context - * 'thiscontext' executing at address 'prog_counter' - */ - int (*v3_cpustart)(unsigned int whichcpu, int ctxtbl_ptr, - int thiscontext, char *prog_counter); - - /* v3_cpustop() will cause cpu 'whichcpu' to stop executing - * until a resume cpu call is made. - */ - int (*v3_cpustop)(unsigned int whichcpu); - - /* v3_cpuidle() will idle cpu 'whichcpu' until a stop or - * resume cpu call is made. - */ - int (*v3_cpuidle)(unsigned int whichcpu); - - /* v3_cpuresume() will resume processor 'whichcpu' executing - * starting with whatever 'pc' and 'npc' were left at the - * last 'idle' or 'stop' call. - */ - int (*v3_cpuresume)(unsigned int whichcpu); -}; - -/* Routines for traversing the prom device tree. */ -struct linux_nodeops { - int (*no_nextnode)(int node); - int (*no_child)(int node); - int (*no_proplen)(int node, char *name); - int (*no_getprop)(int node, char *name, char *val); - int (*no_setprop)(int node, char *name, char *val, int len); - char * (*no_nextprop)(int node, char *name); -}; - -/* More fun PROM structures for device probing. */ -#define PROMREG_MAX 24 -#define PROMVADDR_MAX 16 -#define PROMINTR_MAX 32 - -struct linux_prom_registers { - unsigned which_io; /* hi part of physical address */ - unsigned phys_addr; /* The physical address of this register */ - int reg_size; /* How many bytes does this register take up? */ -}; - -struct linux_prom64_registers { - unsigned long phys_addr; - unsigned long reg_size; -}; - -struct linux_prom_irqs { - int pri; /* IRQ priority */ - int vector; /* This is foobar, what does it do? */ -}; - -/* Element of the "ranges" vector */ -struct linux_prom_ranges { - unsigned int ot_child_space; - unsigned int ot_child_base; /* Bus feels this */ - unsigned int ot_parent_space; - unsigned int ot_parent_base; /* CPU looks from here */ - unsigned int or_size; -}; - -struct linux_prom64_ranges { - unsigned long ot_child_base; /* Bus feels this */ - unsigned long ot_parent_base; /* CPU looks from here */ - unsigned long or_size; -}; - -/* Ranges and reg properties are a bit different for PCI. */ -struct linux_prom_pci_registers { - unsigned int phys_hi; - unsigned int phys_mid; - unsigned int phys_lo; - - unsigned int size_hi; - unsigned int size_lo; -}; - -struct linux_prom_pci_ranges { - unsigned int child_phys_hi; /* Only certain bits are encoded here. */ - unsigned int child_phys_mid; - unsigned int child_phys_lo; - - unsigned int parent_phys_hi; - unsigned int parent_phys_lo; - - unsigned int size_hi; - unsigned int size_lo; -}; - -struct linux_prom_pci_intmap { - unsigned int phys_hi; - unsigned int phys_mid; - unsigned int phys_lo; - - unsigned int interrupt; - - int cnode; - unsigned int cinterrupt; -}; - -struct linux_prom_pci_intmask { - unsigned int phys_hi; - unsigned int phys_mid; - unsigned int phys_lo; - unsigned int interrupt; -}; - -struct linux_prom_ebus_ranges { - unsigned int child_phys_hi; - unsigned int child_phys_lo; - - unsigned int parent_phys_hi; - unsigned int parent_phys_mid; - unsigned int parent_phys_lo; - - unsigned int size; -}; - -struct linux_prom_ebus_intmap { - unsigned int phys_hi; - unsigned int phys_lo; - - unsigned int interrupt; - - int cnode; - unsigned int cinterrupt; -}; - -struct linux_prom_ebus_intmask { - unsigned int phys_hi; - unsigned int phys_lo; - unsigned int interrupt; -}; -#endif /* !(__ASSEMBLY__) */ - -#endif /* !(__SPARC64_OPENPROM_H) */ diff --git a/arch/sparc/include/asm/openpromio.h b/arch/sparc/include/asm/openpromio.h deleted file mode 100644 index 917fb8e9c63..00000000000 --- a/arch/sparc/include/asm/openpromio.h +++ /dev/null @@ -1,69 +0,0 @@ -#ifndef _SPARC_OPENPROMIO_H -#define _SPARC_OPENPROMIO_H - -#include <linux/compiler.h> -#include <linux/ioctl.h> -#include <linux/types.h> - -/* - * SunOS and Solaris /dev/openprom definitions. The ioctl values - * were chosen to be exactly equal to the SunOS equivalents. - */ - -struct openpromio -{ - u_int oprom_size; /* Actual size of the oprom_array. */ - char oprom_array[1]; /* Holds property names and values. */ -}; - -#define OPROMMAXPARAM 4096 /* Maximum size of oprom_array. */ - -#define OPROMGETOPT 0x20004F01 -#define OPROMSETOPT 0x20004F02 -#define OPROMNXTOPT 0x20004F03 -#define OPROMSETOPT2 0x20004F04 -#define OPROMNEXT 0x20004F05 -#define OPROMCHILD 0x20004F06 -#define OPROMGETPROP 0x20004F07 -#define OPROMNXTPROP 0x20004F08 -#define OPROMU2P 0x20004F09 -#define OPROMGETCONS 0x20004F0A -#define OPROMGETFBNAME 0x20004F0B -#define OPROMGETBOOTARGS 0x20004F0C -/* Linux extensions */ /* Arguments in oprom_array: */ -#define OPROMSETCUR 0x20004FF0 /* int node - Sets current node */ -#define OPROMPCI2NODE 0x20004FF1 /* int pci_bus, pci_devfn - Sets current node to PCI device's node */ -#define OPROMPATH2NODE 0x20004FF2 /* char path[] - Set current node from fully qualified PROM path */ - -/* - * Return values from OPROMGETCONS: - */ - -#define OPROMCONS_NOT_WSCONS 0 -#define OPROMCONS_STDIN_IS_KBD 0x1 /* stdin device is kbd */ -#define OPROMCONS_STDOUT_IS_FB 0x2 /* stdout is a framebuffer */ -#define OPROMCONS_OPENPROM 0x4 /* supports openboot */ - - -/* - * NetBSD/OpenBSD /dev/openprom definitions. - */ - -struct opiocdesc -{ - int op_nodeid; /* PROM Node ID (value-result) */ - int op_namelen; /* Length of op_name. */ - char __user *op_name; /* Pointer to the property name. */ - int op_buflen; /* Length of op_buf (value-result) */ - char __user *op_buf; /* Pointer to buffer. */ -}; - -#define OPIOCGET _IOWR('O', 1, struct opiocdesc) -#define OPIOCSET _IOW('O', 2, struct opiocdesc) -#define OPIOCNEXTPROP _IOWR('O', 3, struct opiocdesc) -#define OPIOCGETOPTNODE _IOR('O', 4, int) -#define OPIOCGETNEXT _IOWR('O', 5, int) -#define OPIOCGETCHILD _IOWR('O', 6, int) - -#endif /* _SPARC_OPENPROMIO_H */ - diff --git a/arch/sparc/include/asm/oplib_32.h b/arch/sparc/include/asm/oplib_32.h index b2631da259e..56a09b9d7b1 100644 --- a/arch/sparc/include/asm/oplib_32.h +++ b/arch/sparc/include/asm/oplib_32.h @@ -21,7 +21,6 @@ enum prom_major_version { PROM_V2, /* sun4c and early sun4m V2 prom */ PROM_V3, /* sun4m and later, up to sun4d/sun4e machines V3 */ PROM_P1275, /* IEEE compliant ISA based Sun PROM, only sun4u */ - PROM_SUN4, /* Old sun4 proms are totally different, but we'll shoehorn it to make it fit */ }; extern enum prom_major_version prom_vers; @@ -31,7 +30,7 @@ extern unsigned int prom_rev, prom_prev; /* Root node of the prom device tree, this stays constant after * initialization is complete. */ -extern int prom_root_node; +extern phandle prom_root_node; /* Pointer to prom structure containing the device tree traversal * and usage utility functions. Only prom-lib should use these, @@ -44,59 +43,28 @@ extern struct linux_nodeops *prom_nodeops; /* You must call prom_init() before using any of the library services, * preferably as early as possible. Pass it the romvec pointer. */ -extern void prom_init(struct linux_romvec *rom_ptr); +void prom_init(struct linux_romvec *rom_ptr); /* Boot argument acquisition, returns the boot command line string. */ -extern char *prom_getbootargs(void); - -/* Device utilities. */ - -/* Map and unmap devices in IO space at virtual addresses. Note that the - * virtual address you pass is a request and the prom may put your mappings - * somewhere else, so check your return value as that is where your new - * mappings really are! - * - * Another note, these are only available on V2 or higher proms! - */ -extern char *prom_mapio(char *virt_hint, int io_space, unsigned int phys_addr, unsigned int num_bytes); -extern void prom_unmapio(char *virt_addr, unsigned int num_bytes); - -/* Device operations. */ - -/* Open the device described by the passed string. Note, that the format - * of the string is different on V0 vs. V2->higher proms. The caller must - * know what he/she is doing! Returns the device descriptor, an int. - */ -extern int prom_devopen(char *device_string); - -/* Close a previously opened device described by the passed integer - * descriptor. - */ -extern int prom_devclose(int device_handle); - -/* Do a seek operation on the device described by the passed integer - * descriptor. - */ -extern void prom_seek(int device_handle, unsigned int seek_hival, - unsigned int seek_lowval); +char *prom_getbootargs(void); /* Miscellaneous routines, don't really fit in any category per se. */ /* Reboot the machine with the command line passed. */ -extern void prom_reboot(char *boot_command); +void prom_reboot(char *boot_command); /* Evaluate the forth string passed. */ -extern void prom_feval(char *forth_string); +void prom_feval(char *forth_string); /* Enter the prom, with possibility of continuation with the 'go' * command in newer proms. */ -extern void prom_cmdline(void); +void prom_cmdline(void); /* Enter the prom, with no chance of continuation for the stand-alone * which calls this. */ -extern void prom_halt(void) __attribute__ ((noreturn)); +void __noreturn prom_halt(void); /* Set the PROM 'sync' callback function to the passed function pointer. * When the user gives the 'sync' command at the prom prompt while the @@ -105,167 +73,110 @@ extern void prom_halt(void) __attribute__ ((noreturn)); * XXX The arguments are different on V0 vs. V2->higher proms, grrr! XXX */ typedef void (*sync_func_t)(void); -extern void prom_setsync(sync_func_t func_ptr); +void prom_setsync(sync_func_t func_ptr); /* Acquire the IDPROM of the root node in the prom device tree. This * gets passed a buffer where you would like it stuffed. The return value * is the format type of this idprom or 0xff on error. */ -extern unsigned char prom_get_idprom(char *idp_buffer, int idpbuf_size); +unsigned char prom_get_idprom(char *idp_buffer, int idpbuf_size); /* Get the prom major version. */ -extern int prom_version(void); +int prom_version(void); /* Get the prom plugin revision. */ -extern int prom_getrev(void); +int prom_getrev(void); /* Get the prom firmware revision. */ -extern int prom_getprev(void); - -/* Character operations to/from the console.... */ - -/* Non-blocking get character from console. */ -extern int prom_nbgetchar(void); - -/* Non-blocking put character to console. */ -extern int prom_nbputchar(char character); +int prom_getprev(void); -/* Blocking get character from console. */ -extern char prom_getchar(void); - -/* Blocking put character to console. */ -extern void prom_putchar(char character); +/* Write a buffer of characters to the console. */ +void prom_console_write_buf(const char *buf, int len); /* Prom's internal routines, don't use in kernel/boot code. */ -extern void prom_printf(char *fmt, ...); -extern void prom_write(const char *buf, unsigned int len); +__printf(1, 2) void prom_printf(const char *fmt, ...); +void prom_write(const char *buf, unsigned int len); /* Multiprocessor operations... */ /* Start the CPU with the given device tree node, context table, and context * at the passed program counter. */ -extern int prom_startcpu(int cpunode, struct linux_prom_registers *context_table, - int context, char *program_counter); - -/* Stop the CPU with the passed device tree node. */ -extern int prom_stopcpu(int cpunode); - -/* Idle the CPU with the passed device tree node. */ -extern int prom_idlecpu(int cpunode); - -/* Re-Start the CPU with the passed device tree node. */ -extern int prom_restartcpu(int cpunode); - -/* PROM memory allocation facilities... */ - -/* Allocated at possibly the given virtual address a chunk of the - * indicated size. - */ -extern char *prom_alloc(char *virt_hint, unsigned int size); - -/* Free a previously allocated chunk. */ -extern void prom_free(char *virt_addr, unsigned int size); - -/* Sun4/sun4c specific memory-management startup hook. */ - -/* Map the passed segment in the given context at the passed - * virtual address. - */ -extern void prom_putsegment(int context, unsigned long virt_addr, - int physical_segment); +int prom_startcpu(int cpunode, struct linux_prom_registers *context_table, + int context, char *program_counter); +/* Initialize the memory lists based upon the prom version. */ +void prom_meminit(void); /* PROM device tree traversal functions... */ -#ifdef PROMLIB_INTERNAL - -/* Internal version of prom_getchild. */ -extern int __prom_getchild(int parent_node); - -/* Internal version of prom_getsibling. */ -extern int __prom_getsibling(int node); - -#endif - - /* Get the child node of the given node, or zero if no child exists. */ -extern int prom_getchild(int parent_node); +phandle prom_getchild(phandle parent_node); /* Get the next sibling node of the given node, or zero if no further * siblings exist. */ -extern int prom_getsibling(int node); +phandle prom_getsibling(phandle node); /* Get the length, at the passed node, of the given property type. * Returns -1 on error (ie. no such property at this node). */ -extern int prom_getproplen(int thisnode, char *property); +int prom_getproplen(phandle thisnode, const char *property); /* Fetch the requested property using the given buffer. Returns * the number of bytes the prom put into your buffer or -1 on error. */ -extern int __must_check prom_getproperty(int thisnode, char *property, - char *prop_buffer, int propbuf_size); +int __must_check prom_getproperty(phandle thisnode, const char *property, + char *prop_buffer, int propbuf_size); /* Acquire an integer property. */ -extern int prom_getint(int node, char *property); +int prom_getint(phandle node, char *property); /* Acquire an integer property, with a default value. */ -extern int prom_getintdefault(int node, char *property, int defval); +int prom_getintdefault(phandle node, char *property, int defval); /* Acquire a boolean property, 0=FALSE 1=TRUE. */ -extern int prom_getbool(int node, char *prop); +int prom_getbool(phandle node, char *prop); /* Acquire a string property, null string on error. */ -extern void prom_getstring(int node, char *prop, char *buf, int bufsize); - -/* Does the passed node have the given "name"? YES=1 NO=0 */ -extern int prom_nodematch(int thisnode, char *name); +void prom_getstring(phandle node, char *prop, char *buf, int bufsize); /* Search all siblings starting at the passed node for "name" matching * the given string. Returns the node on success, zero on failure. */ -extern int prom_searchsiblings(int node_start, char *name); - -/* Return the first property type, as a string, for the given node. - * Returns a null string on error. - */ -extern char *prom_firstprop(int node, char *buffer); +phandle prom_searchsiblings(phandle node_start, char *name); /* Returns the next property after the passed property for the given * node. Returns null string on failure. */ -extern char *prom_nextprop(int node, char *prev_property, char *buffer); +char *prom_nextprop(phandle node, char *prev_property, char *buffer); /* Returns phandle of the path specified */ -extern int prom_finddevice(char *name); - -/* Returns 1 if the specified node has given property. */ -extern int prom_node_has_property(int node, char *property); +phandle prom_finddevice(char *name); /* Set the indicated property at the given node with the passed value. * Returns the number of bytes of your value that the prom took. */ -extern int prom_setprop(int node, char *prop_name, char *prop_value, - int value_size); +int prom_setprop(phandle node, const char *prop_name, char *prop_value, + int value_size); -extern int prom_pathtoinode(char *path); -extern int prom_inst2pkg(int); +phandle prom_inst2pkg(int); /* Dorking with Bus ranges... */ /* Apply promlib probes OBIO ranges to registers. */ -extern void prom_apply_obio_ranges(struct linux_prom_registers *obioregs, int nregs); +void prom_apply_obio_ranges(struct linux_prom_registers *obioregs, int nregs); /* Apply ranges of any prom node (and optionally parent node as well) to registers. */ -extern void prom_apply_generic_ranges(int node, int parent, - struct linux_prom_registers *sbusregs, int nregs); +void prom_apply_generic_ranges(phandle node, phandle parent, + struct linux_prom_registers *sbusregs, int nregs); + +void prom_ranges_init(void); /* CPU probing helpers. */ -int cpu_find_by_instance(int instance, int *prom_node, int *mid); -int cpu_find_by_mid(int mid, int *prom_node); -int cpu_get_hwmid(int prom_node); +int cpu_find_by_instance(int instance, phandle *prom_node, int *mid); +int cpu_find_by_mid(int mid, phandle *prom_node); +int cpu_get_hwmid(phandle prom_node); extern spinlock_t prom_lock; diff --git a/arch/sparc/include/asm/oplib_64.h b/arch/sparc/include/asm/oplib_64.h index 6d2c2ca9803..f34682430fc 100644 --- a/arch/sparc/include/asm/oplib_64.h +++ b/arch/sparc/include/asm/oplib_64.h @@ -16,15 +16,15 @@ extern char prom_version[]; /* Root node of the prom device tree, this stays constant after * initialization is complete. */ -extern int prom_root_node; +extern phandle prom_root_node; -/* PROM stdin and stdout */ -extern int prom_stdin, prom_stdout; +/* PROM stdout */ +extern int prom_stdout; /* /chosen node of the prom device tree, this stays constant after * initialization is complete. */ -extern int prom_chosen_node; +extern phandle prom_chosen_node; /* Helper values and strings in arch/sparc64/kernel/head.S */ extern const char prom_peer_name[]; @@ -62,141 +62,100 @@ struct linux_mem_p1275 { /* You must call prom_init() before using any of the library services, * preferably as early as possible. Pass it the romvec pointer. */ -extern void prom_init(void *cif_handler, void *cif_stack); +void prom_init(void *cif_handler, void *cif_stack); /* Boot argument acquisition, returns the boot command line string. */ -extern char *prom_getbootargs(void); - -/* Device utilities. */ - -/* Device operations. */ - -/* Open the device described by the passed string. Note, that the format - * of the string is different on V0 vs. V2->higher proms. The caller must - * know what he/she is doing! Returns the device descriptor, an int. - */ -extern int prom_devopen(const char *device_string); - -/* Close a previously opened device described by the passed integer - * descriptor. - */ -extern int prom_devclose(int device_handle); - -/* Do a seek operation on the device described by the passed integer - * descriptor. - */ -extern void prom_seek(int device_handle, unsigned int seek_hival, - unsigned int seek_lowval); +char *prom_getbootargs(void); /* Miscellaneous routines, don't really fit in any category per se. */ /* Reboot the machine with the command line passed. */ -extern void prom_reboot(const char *boot_command); +void prom_reboot(const char *boot_command); /* Evaluate the forth string passed. */ -extern void prom_feval(const char *forth_string); +void prom_feval(const char *forth_string); /* Enter the prom, with possibility of continuation with the 'go' * command in newer proms. */ -extern void prom_cmdline(void); +void prom_cmdline(void); /* Enter the prom, with no chance of continuation for the stand-alone * which calls this. */ -extern void prom_halt(void) __attribute__ ((noreturn)); +void prom_halt(void) __attribute__ ((noreturn)); /* Halt and power-off the machine. */ -extern void prom_halt_power_off(void) __attribute__ ((noreturn)); - -/* Set the PROM 'sync' callback function to the passed function pointer. - * When the user gives the 'sync' command at the prom prompt while the - * kernel is still active, the prom will call this routine. - * - */ -typedef int (*callback_func_t)(long *cmd); -extern void prom_setcallback(callback_func_t func_ptr); +void prom_halt_power_off(void) __attribute__ ((noreturn)); /* Acquire the IDPROM of the root node in the prom device tree. This * gets passed a buffer where you would like it stuffed. The return value * is the format type of this idprom or 0xff on error. */ -extern unsigned char prom_get_idprom(char *idp_buffer, int idpbuf_size); - -/* Character operations to/from the console.... */ +unsigned char prom_get_idprom(char *idp_buffer, int idpbuf_size); -/* Non-blocking get character from console. */ -extern int prom_nbgetchar(void); - -/* Non-blocking put character to console. */ -extern int prom_nbputchar(char character); - -/* Blocking get character from console. */ -extern char prom_getchar(void); - -/* Blocking put character to console. */ -extern void prom_putchar(char character); +/* Write a buffer of characters to the console. */ +void prom_console_write_buf(const char *buf, int len); /* Prom's internal routines, don't use in kernel/boot code. */ -extern void prom_printf(const char *fmt, ...); -extern void prom_write(const char *buf, unsigned int len); +__printf(1, 2) void prom_printf(const char *fmt, ...); +void prom_write(const char *buf, unsigned int len); /* Multiprocessor operations... */ #ifdef CONFIG_SMP /* Start the CPU with the given device tree node at the passed program * counter with the given arg passed in via register %o0. */ -extern void prom_startcpu(int cpunode, unsigned long pc, unsigned long arg); +void prom_startcpu(int cpunode, unsigned long pc, unsigned long arg); /* Start the CPU with the given cpu ID at the passed program * counter with the given arg passed in via register %o0. */ -extern void prom_startcpu_cpuid(int cpuid, unsigned long pc, unsigned long arg); +void prom_startcpu_cpuid(int cpuid, unsigned long pc, unsigned long arg); /* Stop the CPU with the given cpu ID. */ -extern void prom_stopcpu_cpuid(int cpuid); +void prom_stopcpu_cpuid(int cpuid); /* Stop the current CPU. */ -extern void prom_stopself(void); +void prom_stopself(void); /* Idle the current CPU. */ -extern void prom_idleself(void); +void prom_idleself(void); /* Resume the CPU with the passed device tree node. */ -extern void prom_resumecpu(int cpunode); +void prom_resumecpu(int cpunode); #endif /* Power management interfaces. */ /* Put the current CPU to sleep. */ -extern void prom_sleepself(void); +void prom_sleepself(void); /* Put the entire system to sleep. */ -extern int prom_sleepsystem(void); +int prom_sleepsystem(void); /* Initiate a wakeup event. */ -extern int prom_wakeupsystem(void); +int prom_wakeupsystem(void); /* MMU and memory related OBP interfaces. */ /* Get unique string identifying SIMM at given physical address. */ -extern int prom_getunumber(int syndrome_code, - unsigned long phys_addr, - char *buf, int buflen); +int prom_getunumber(int syndrome_code, + unsigned long phys_addr, + char *buf, int buflen); /* Retain physical memory to the caller across soft resets. */ -extern unsigned long prom_retain(const char *name, - unsigned long pa_low, unsigned long pa_high, - long size, long align); +int prom_retain(const char *name, unsigned long size, + unsigned long align, unsigned long *paddr); /* Load explicit I/D TLB entries into the calling processor. */ -extern long prom_itlb_load(unsigned long index, - unsigned long tte_data, - unsigned long vaddr); +long prom_itlb_load(unsigned long index, + unsigned long tte_data, + unsigned long vaddr); -extern long prom_dtlb_load(unsigned long index, - unsigned long tte_data, - unsigned long vaddr); +long prom_dtlb_load(unsigned long index, + unsigned long tte_data, + unsigned long vaddr); /* Map/Unmap client program address ranges. First the format of * the mapping mode argument. @@ -211,112 +170,81 @@ extern long prom_dtlb_load(unsigned long index, #define PROM_MAP_IE 0x0100 /* Invert-Endianness */ #define PROM_MAP_DEFAULT (PROM_MAP_WRITE | PROM_MAP_READ | PROM_MAP_EXEC | PROM_MAP_CACHED) -extern int prom_map(int mode, unsigned long size, - unsigned long vaddr, unsigned long paddr); -extern void prom_unmap(unsigned long size, unsigned long vaddr); +int prom_map(int mode, unsigned long size, + unsigned long vaddr, unsigned long paddr); +void prom_unmap(unsigned long size, unsigned long vaddr); /* PROM device tree traversal functions... */ -#ifdef PROMLIB_INTERNAL - -/* Internal version of prom_getchild. */ -extern int __prom_getchild(int parent_node); - -/* Internal version of prom_getsibling. */ -extern int __prom_getsibling(int node); - -#endif - /* Get the child node of the given node, or zero if no child exists. */ -extern int prom_getchild(int parent_node); +phandle prom_getchild(phandle parent_node); /* Get the next sibling node of the given node, or zero if no further * siblings exist. */ -extern int prom_getsibling(int node); +phandle prom_getsibling(phandle node); /* Get the length, at the passed node, of the given property type. * Returns -1 on error (ie. no such property at this node). */ -extern int prom_getproplen(int thisnode, const char *property); +int prom_getproplen(phandle thisnode, const char *property); /* Fetch the requested property using the given buffer. Returns * the number of bytes the prom put into your buffer or -1 on error. */ -extern int prom_getproperty(int thisnode, const char *property, - char *prop_buffer, int propbuf_size); +int prom_getproperty(phandle thisnode, const char *property, + char *prop_buffer, int propbuf_size); /* Acquire an integer property. */ -extern int prom_getint(int node, const char *property); +int prom_getint(phandle node, const char *property); /* Acquire an integer property, with a default value. */ -extern int prom_getintdefault(int node, const char *property, int defval); +int prom_getintdefault(phandle node, const char *property, int defval); /* Acquire a boolean property, 0=FALSE 1=TRUE. */ -extern int prom_getbool(int node, const char *prop); +int prom_getbool(phandle node, const char *prop); /* Acquire a string property, null string on error. */ -extern void prom_getstring(int node, const char *prop, char *buf, int bufsize); +void prom_getstring(phandle node, const char *prop, char *buf, + int bufsize); /* Does the passed node have the given "name"? YES=1 NO=0 */ -extern int prom_nodematch(int thisnode, const char *name); +int prom_nodematch(phandle thisnode, const char *name); /* Search all siblings starting at the passed node for "name" matching * the given string. Returns the node on success, zero on failure. */ -extern int prom_searchsiblings(int node_start, const char *name); +phandle prom_searchsiblings(phandle node_start, const char *name); /* Return the first property type, as a string, for the given node. * Returns a null string on error. Buffer should be at least 32B long. */ -extern char *prom_firstprop(int node, char *buffer); +char *prom_firstprop(phandle node, char *buffer); /* Returns the next property after the passed property for the given * node. Returns null string on failure. Buffer should be at least 32B long. */ -extern char *prom_nextprop(int node, const char *prev_property, char *buffer); +char *prom_nextprop(phandle node, const char *prev_property, char *buf); /* Returns 1 if the specified node has given property. */ -extern int prom_node_has_property(int node, const char *property); +int prom_node_has_property(phandle node, const char *property); /* Returns phandle of the path specified */ -extern int prom_finddevice(const char *name); +phandle prom_finddevice(const char *name); /* Set the indicated property at the given node with the passed value. * Returns the number of bytes of your value that the prom took. */ -extern int prom_setprop(int node, const char *prop_name, char *prop_value, - int value_size); +int prom_setprop(phandle node, const char *prop_name, char *prop_value, + int value_size); -extern int prom_pathtoinode(const char *path); -extern int prom_inst2pkg(int); -extern int prom_service_exists(const char *service_name); -extern void prom_sun4v_guest_soft_state(void); +phandle prom_inst2pkg(int); +void prom_sun4v_guest_soft_state(void); -extern int prom_ihandle2path(int handle, char *buffer, int bufsize); +int prom_ihandle2path(int handle, char *buffer, int bufsize); /* Client interface level routines. */ -extern long p1275_cmd(const char *, long, ...); - -#if 0 -#define P1275_SIZE(x) ((((long)((x) / 32)) << 32) | (x)) -#else -#define P1275_SIZE(x) x -#endif - -/* We support at most 16 input and 1 output argument */ -#define P1275_ARG_NUMBER 0 -#define P1275_ARG_IN_STRING 1 -#define P1275_ARG_OUT_BUF 2 -#define P1275_ARG_OUT_32B 3 -#define P1275_ARG_IN_FUNCTION 4 -#define P1275_ARG_IN_BUF 5 -#define P1275_ARG_IN_64B 6 - -#define P1275_IN(x) ((x) & 0xf) -#define P1275_OUT(x) (((x) << 4) & 0xf0) -#define P1275_INOUT(i,o) (P1275_IN(i)|P1275_OUT(o)) -#define P1275_ARG(n,x) ((x) << ((n)*3 + 8)) +void p1275_cmd_direct(unsigned long *); #endif /* !(__SPARC64_OPLIB_H) */ diff --git a/arch/sparc/include/asm/page.h b/arch/sparc/include/asm/page.h index f21de034902..1be2fdec626 100644 --- a/arch/sparc/include/asm/page.h +++ b/arch/sparc/include/asm/page.h @@ -1,5 +1,8 @@ #ifndef ___ASM_SPARC_PAGE_H #define ___ASM_SPARC_PAGE_H + +#define page_to_phys(page) (page_to_pfn(page) << PAGE_SHIFT) + #if defined(__sparc__) && defined(__arch64__) #include <asm/page_64.h> #else diff --git a/arch/sparc/include/asm/page_32.h b/arch/sparc/include/asm/page_32.h index cf5fb70ca1c..f82a1f36b65 100644 --- a/arch/sparc/include/asm/page_32.h +++ b/arch/sparc/include/asm/page_32.h @@ -8,21 +8,12 @@ #ifndef _SPARC_PAGE_H #define _SPARC_PAGE_H -#ifdef CONFIG_SUN4 -#define PAGE_SHIFT 13 -#else +#include <linux/const.h> + #define PAGE_SHIFT 12 -#endif -#ifndef __ASSEMBLY__ -/* I have my suspicions... -DaveM */ -#define PAGE_SIZE (1UL << PAGE_SHIFT) -#else -#define PAGE_SIZE (1 << PAGE_SHIFT) -#endif +#define PAGE_SIZE (_AC(1, UL) << PAGE_SHIFT) #define PAGE_MASK (~(PAGE_SIZE-1)) -#include <asm/btfixup.h> - #ifndef __ASSEMBLY__ #define clear_page(page) memset((void *)(page), 0, PAGE_SIZE) @@ -52,12 +43,6 @@ struct sparc_phys_banks { extern struct sparc_phys_banks sp_banks[SPARC_PHYS_BANKS+1]; -/* Cache alias structure. Entry is valid if context != -1. */ -struct cache_palias { - unsigned long vaddr; - int context; -}; - /* passing structs on the Sparc slow us down tremendously... */ /* #define STRICT_MM_TYPECHECKS */ @@ -122,11 +107,7 @@ typedef unsigned long iopgprot_t; typedef struct page *pgtable_t; -extern unsigned long sparc_unmapped_base; - -BTFIXUPDEF_SETHI(sparc_unmapped_base) - -#define TASK_UNMAPPED_BASE BTFIXUP_SETHI(sparc_unmapped_base) +#define TASK_UNMAPPED_BASE 0x50000000 #else /* !(__ASSEMBLY__) */ @@ -146,7 +127,7 @@ extern unsigned long pfn_base; #define phys_to_virt __va #define ARCH_PFN_OFFSET (pfn_base) -#define virt_to_page(kaddr) (mem_map + ((((unsigned long)(kaddr)-PAGE_OFFSET)>>PAGE_SHIFT))) +#define virt_to_page(kaddr) pfn_to_page(__pa(kaddr) >> PAGE_SHIFT) #define pfn_valid(pfn) (((pfn) >= (pfn_base)) && (((pfn)-(pfn_base)) < max_mapnr)) #define virt_addr_valid(kaddr) ((((unsigned long)(kaddr)-PAGE_OFFSET)>>PAGE_SHIFT) < max_mapnr) @@ -155,6 +136,6 @@ extern unsigned long pfn_base; VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC) #include <asm-generic/memory_model.h> -#include <asm-generic/page.h> +#include <asm-generic/getorder.h> #endif /* _SPARC_PAGE_H */ diff --git a/arch/sparc/include/asm/page_64.h b/arch/sparc/include/asm/page_64.h index b579b910ef5..bf109984a03 100644 --- a/arch/sparc/include/asm/page_64.h +++ b/arch/sparc/include/asm/page_64.h @@ -3,13 +3,7 @@ #include <linux/const.h> -#if defined(CONFIG_SPARC64_PAGE_SIZE_8KB) #define PAGE_SHIFT 13 -#elif defined(CONFIG_SPARC64_PAGE_SIZE_64KB) -#define PAGE_SHIFT 16 -#else -#error No page size specified in kernel configuration -#endif #define PAGE_SIZE (_AC(1,UL) << PAGE_SHIFT) #define PAGE_MASK (~(PAGE_SIZE-1)) @@ -21,15 +15,12 @@ #define DCACHE_ALIASING_POSSIBLE #endif -#if defined(CONFIG_HUGETLB_PAGE_SIZE_4MB) -#define HPAGE_SHIFT 22 -#elif defined(CONFIG_HUGETLB_PAGE_SIZE_512K) -#define HPAGE_SHIFT 19 -#elif defined(CONFIG_HUGETLB_PAGE_SIZE_64K) -#define HPAGE_SHIFT 16 -#endif +#define HPAGE_SHIFT 23 +#define REAL_HPAGE_SHIFT 22 + +#define REAL_HPAGE_SIZE (_AC(1,UL) << REAL_HPAGE_SHIFT) -#ifdef CONFIG_HUGETLB_PAGE +#if defined(CONFIG_HUGETLB_PAGE) || defined(CONFIG_TRANSPARENT_HUGEPAGE) #define HPAGE_SIZE (_AC(1,UL) << HPAGE_SHIFT) #define HPAGE_MASK (~(HPAGE_SIZE - 1UL)) #define HUGETLB_PAGE_ORDER (HPAGE_SHIFT - PAGE_SHIFT) @@ -38,12 +29,19 @@ #ifndef __ASSEMBLY__ -extern void _clear_page(void *page); +#if defined(CONFIG_HUGETLB_PAGE) || defined(CONFIG_TRANSPARENT_HUGEPAGE) +struct pt_regs; +void hugetlb_setup(struct pt_regs *regs); +#endif + +#define WANT_PAGE_VIRTUAL + +void _clear_page(void *page); #define clear_page(X) _clear_page((void *)(X)) struct page; -extern void clear_user_page(void *addr, unsigned long vaddr, struct page *page); +void clear_user_page(void *addr, unsigned long vaddr, struct page *page); #define copy_page(X,Y) memcpy((void *)(X), (void *)(Y), PAGE_SIZE) -extern void copy_user_page(void *to, void *from, unsigned long vaddr, struct page *topage); +void copy_user_page(void *to, void *from, unsigned long vaddr, struct page *topage); /* Unlike sparc32, sparc64's parameter passing API is more * sane in that structures which as small enough are passed @@ -58,8 +56,8 @@ extern void copy_user_page(void *to, void *from, unsigned long vaddr, struct pag /* These are used to make use of C type-checking.. */ typedef struct { unsigned long pte; } pte_t; typedef struct { unsigned long iopte; } iopte_t; -typedef struct { unsigned int pmd; } pmd_t; -typedef struct { unsigned int pgd; } pgd_t; +typedef struct { unsigned long pmd; } pmd_t; +typedef struct { unsigned long pgd; } pgd_t; typedef struct { unsigned long pgprot; } pgprot_t; #define pte_val(x) ((x).pte) @@ -78,8 +76,8 @@ typedef struct { unsigned long pgprot; } pgprot_t; /* .. while these make it easier on the compiler */ typedef unsigned long pte_t; typedef unsigned long iopte_t; -typedef unsigned int pmd_t; -typedef unsigned int pgd_t; +typedef unsigned long pmd_t; +typedef unsigned long pgd_t; typedef unsigned long pgprot_t; #define pte_val(x) (x) @@ -96,20 +94,46 @@ typedef unsigned long pgprot_t; #endif /* (STRICT_MM_TYPECHECKS) */ -typedef struct page *pgtable_t; +typedef pte_t *pgtable_t; + +/* These two values define the virtual address space range in which we + * must forbid 64-bit user processes from making mappings. It used to + * represent precisely the virtual address space hole present in most + * early sparc64 chips including UltraSPARC-I. But now it also is + * further constrained by the limits of our page tables, which is + * 43-bits of virtual address. + */ +#define SPARC64_VA_HOLE_TOP _AC(0xfffffc0000000000,UL) +#define SPARC64_VA_HOLE_BOTTOM _AC(0x0000040000000000,UL) + +/* The next two defines specify the actual exclusion region we + * enforce, wherein we use a 4GB red zone on each side of the VA hole. + */ +#define VA_EXCLUDE_START (SPARC64_VA_HOLE_BOTTOM - (1UL << 32UL)) +#define VA_EXCLUDE_END (SPARC64_VA_HOLE_TOP + (1UL << 32UL)) #define TASK_UNMAPPED_BASE (test_thread_flag(TIF_32BIT) ? \ - (_AC(0x0000000070000000,UL)) : \ - (_AC(0xfffff80000000000,UL) + (1UL << 32UL))) + _AC(0x0000000070000000,UL) : \ + VA_EXCLUDE_END) #include <asm-generic/memory_model.h> +#define PAGE_OFFSET_BY_BITS(X) (-(_AC(1,UL) << (X))) +extern unsigned long PAGE_OFFSET; + #endif /* !(__ASSEMBLY__) */ -/* We used to stick this into a hard-coded global register (%g4) - * but that does not make sense anymore. +/* The maximum number of physical memory address bits we support, this + * is used to size various tables used to manage kernel TLB misses and + * also the sparsemem code. + */ +#define MAX_PHYS_ADDRESS_BITS 47 + +/* These two shift counts are used when indexing sparc64_valid_addr_bitmap + * and kpte_linear_bitmap. */ -#define PAGE_OFFSET _AC(0xFFFFF80000000000,UL) +#define ILOG2_4MB 22 +#define ILOG2_256MB 28 #ifndef __ASSEMBLY__ @@ -130,6 +154,6 @@ typedef struct page *pgtable_t; #define VM_DATA_DEFAULT_FLAGS (VM_READ | VM_WRITE | VM_EXEC | \ VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC) -#include <asm-generic/page.h> +#include <asm-generic/getorder.h> #endif /* _SPARC64_PAGE_H */ diff --git a/arch/sparc/include/asm/param.h b/arch/sparc/include/asm/param.h deleted file mode 100644 index 9836d9a3cb9..00000000000 --- a/arch/sparc/include/asm/param.h +++ /dev/null @@ -1,22 +0,0 @@ -#ifndef _ASMSPARC_PARAM_H -#define _ASMSPARC_PARAM_H - -#ifdef __KERNEL__ -# define HZ CONFIG_HZ /* Internal kernel timer frequency */ -# define USER_HZ 100 /* .. some user interfaces are in "ticks" */ -# define CLOCKS_PER_SEC (USER_HZ) -#endif - -#ifndef HZ -#define HZ 100 -#endif - -#define EXEC_PAGESIZE 8192 /* Thanks for sun4's we carry baggage... */ - -#ifndef NOGROUP -#define NOGROUP (-1) -#endif - -#define MAXHOSTNAMELEN 64 /* max length of hostname */ - -#endif diff --git a/arch/sparc/include/asm/parport.h b/arch/sparc/include/asm/parport.h index d9830621c90..c55291e5b83 100644 --- a/arch/sparc/include/asm/parport.h +++ b/arch/sparc/include/asm/parport.h @@ -8,7 +8,7 @@ #include <linux/of_device.h> -#include <asm/ebus.h> +#include <asm/ebus_dma.h> #include <asm/ns87303.h> #include <asm/prom.h> @@ -103,7 +103,7 @@ static inline unsigned int get_dma_residue(unsigned int dmanr) return ebus_dma_residue(&sparc_ebus_dmas[dmanr].info); } -static int __devinit ecpp_probe(struct of_device *op, const struct of_device_id *match) +static int ecpp_probe(struct platform_device *op) { unsigned long base = op->resource[0].start; unsigned long config = op->resource[1].start; @@ -113,11 +113,11 @@ static int __devinit ecpp_probe(struct of_device *op, const struct of_device_id struct parport *p; int slot, err; - parent = op->node->parent; + parent = op->dev.of_node->parent; if (!strcmp(parent->name, "dma")) { p = parport_pc_probe_port(base, base + 0x400, - op->irqs[0], PARPORT_DMA_NOFIFO, - op->dev.parent->parent); + op->archdata.irqs[0], PARPORT_DMA_NOFIFO, + op->dev.parent->parent, 0); if (!p) return -ENOMEM; dev_set_drvdata(&op->dev, p); @@ -166,9 +166,10 @@ static int __devinit ecpp_probe(struct of_device *op, const struct of_device_id 0, PTR_LPT_REG_DIR); p = parport_pc_probe_port(base, base + 0x400, - op->irqs[0], + op->archdata.irqs[0], slot, - op->dev.parent); + op->dev.parent, + 0); err = -ENOMEM; if (!p) goto out_disable_irq; @@ -191,7 +192,7 @@ out_err: return err; } -static int __devexit ecpp_remove(struct of_device *op) +static int ecpp_remove(struct platform_device *op) { struct parport *p = dev_get_drvdata(&op->dev); int slot = p->dma; @@ -215,7 +216,7 @@ static int __devexit ecpp_remove(struct of_device *op) return 0; } -static struct of_device_id ecpp_match[] = { +static const struct of_device_id ecpp_match[] = { { .name = "ecpp", }, @@ -227,21 +228,26 @@ static struct of_device_id ecpp_match[] = { .name = "parallel", .compatible = "ns87317-ecpp", }, + { + .name = "parallel", + .compatible = "pnpALI,1533,3", + }, {}, }; -static struct of_platform_driver ecpp_driver = { - .name = "ecpp", - .match_table = ecpp_match, +static struct platform_driver ecpp_driver = { + .driver = { + .name = "ecpp", + .owner = THIS_MODULE, + .of_match_table = ecpp_match, + }, .probe = ecpp_probe, - .remove = __devexit_p(ecpp_remove), + .remove = ecpp_remove, }; static int parport_pc_find_nonpci_ports(int autoirq, int autodma) { - of_register_driver(&ecpp_driver, &of_bus_type); - - return 0; + return platform_driver_register(&ecpp_driver); } #endif /* !(_ASM_SPARC64_PARPORT_H */ diff --git a/arch/sparc/include/asm/pci.h b/arch/sparc/include/asm/pci.h index 6e14fd17933..d9c031f9910 100644 --- a/arch/sparc/include/asm/pci.h +++ b/arch/sparc/include/asm/pci.h @@ -5,4 +5,7 @@ #else #include <asm/pci_32.h> #endif + +#include <asm-generic/pci-dma-compat.h> + #endif diff --git a/arch/sparc/include/asm/pci_32.h b/arch/sparc/include/asm/pci_32.h index 0ee949d220c..53e9b4987db 100644 --- a/arch/sparc/include/asm/pci_32.h +++ b/arch/sparc/include/asm/pci_32.h @@ -3,145 +3,25 @@ #ifdef __KERNEL__ +#include <linux/dma-mapping.h> + /* Can be used to override the logic in pci_scan_bus for skipping * already-configured bus numbers - to be used for buggy BIOSes * or architectures with incomplete PCI setup by the loader. */ #define pcibios_assign_all_busses() 0 -#define pcibios_scan_all_fns(a, b) 0 #define PCIBIOS_MIN_IO 0UL #define PCIBIOS_MIN_MEM 0UL #define PCI_IRQ_NONE 0xffffffff -static inline void pcibios_set_master(struct pci_dev *dev) -{ - /* No special bus mastering setup handling */ -} - -static inline void pcibios_penalize_isa_irq(int irq, int active) -{ - /* We don't do dynamic PCI IRQ allocation */ -} - /* Dynamic DMA mapping stuff. */ #define PCI_DMA_BUS_IS_PHYS (0) -#include <asm/scatterlist.h> - struct pci_dev; -/* Allocate and map kernel buffer using consistent mode DMA for a device. - * hwdev should be valid struct pci_dev pointer for PCI devices. - */ -extern void *pci_alloc_consistent(struct pci_dev *hwdev, size_t size, dma_addr_t *dma_handle); - -/* Free and unmap a consistent DMA buffer. - * cpu_addr is what was returned from pci_alloc_consistent, - * size must be the same as what as passed into pci_alloc_consistent, - * and likewise dma_addr must be the same as what *dma_addrp was set to. - * - * References to the memory and mappings assosciated with cpu_addr/dma_addr - * past this call are illegal. - */ -extern void pci_free_consistent(struct pci_dev *hwdev, size_t size, void *vaddr, dma_addr_t dma_handle); - -/* Map a single buffer of the indicated size for DMA in streaming mode. - * The 32-bit bus address to use is returned. - * - * Once the device is given the dma address, the device owns this memory - * until either pci_unmap_single or pci_dma_sync_single_for_cpu is performed. - */ -extern dma_addr_t pci_map_single(struct pci_dev *hwdev, void *ptr, size_t size, int direction); - -/* Unmap a single streaming mode DMA translation. The dma_addr and size - * must match what was provided for in a previous pci_map_single call. All - * other usages are undefined. - * - * After this call, reads by the cpu to the buffer are guaranteed to see - * whatever the device wrote there. - */ -extern void pci_unmap_single(struct pci_dev *hwdev, dma_addr_t dma_addr, size_t size, int direction); - -/* pci_unmap_{single,page} is not a nop, thus... */ -#define DECLARE_PCI_UNMAP_ADDR(ADDR_NAME) \ - dma_addr_t ADDR_NAME; -#define DECLARE_PCI_UNMAP_LEN(LEN_NAME) \ - __u32 LEN_NAME; -#define pci_unmap_addr(PTR, ADDR_NAME) \ - ((PTR)->ADDR_NAME) -#define pci_unmap_addr_set(PTR, ADDR_NAME, VAL) \ - (((PTR)->ADDR_NAME) = (VAL)) -#define pci_unmap_len(PTR, LEN_NAME) \ - ((PTR)->LEN_NAME) -#define pci_unmap_len_set(PTR, LEN_NAME, VAL) \ - (((PTR)->LEN_NAME) = (VAL)) - -/* - * Same as above, only with pages instead of mapped addresses. - */ -extern dma_addr_t pci_map_page(struct pci_dev *hwdev, struct page *page, - unsigned long offset, size_t size, int direction); -extern void pci_unmap_page(struct pci_dev *hwdev, - dma_addr_t dma_address, size_t size, int direction); - -/* Map a set of buffers described by scatterlist in streaming - * mode for DMA. This is the scather-gather version of the - * above pci_map_single interface. Here the scatter gather list - * elements are each tagged with the appropriate dma address - * and length. They are obtained via sg_dma_{address,length}(SG). - * - * NOTE: An implementation may be able to use a smaller number of - * DMA address/length pairs than there are SG table elements. - * (for example via virtual mapping capabilities) - * The routine returns the number of addr/length pairs actually - * used, at most nents. - * - * Device ownership issues as mentioned above for pci_map_single are - * the same here. - */ -extern int pci_map_sg(struct pci_dev *hwdev, struct scatterlist *sg, int nents, int direction); - -/* Unmap a set of streaming mode DMA translations. - * Again, cpu read rules concerning calls here are the same as for - * pci_unmap_single() above. - */ -extern void pci_unmap_sg(struct pci_dev *hwdev, struct scatterlist *sg, int nhwents, int direction); - -/* Make physical memory consistent for a single - * streaming mode DMA translation after a transfer. - * - * If you perform a pci_map_single() but wish to interrogate the - * buffer using the cpu, yet do not wish to teardown the PCI dma - * mapping, you must call this function before doing so. At the - * next point you give the PCI dma address back to the card, you - * must first perform a pci_dma_sync_for_device, and then the device - * again owns the buffer. - */ -extern void pci_dma_sync_single_for_cpu(struct pci_dev *hwdev, dma_addr_t dma_handle, size_t size, int direction); -extern void pci_dma_sync_single_for_device(struct pci_dev *hwdev, dma_addr_t dma_handle, size_t size, int direction); - -/* Make physical memory consistent for a set of streaming - * mode DMA translations after a transfer. - * - * The same as pci_dma_sync_single_* but for a scatter-gather list, - * same rules and usage. - */ -extern void pci_dma_sync_sg_for_cpu(struct pci_dev *hwdev, struct scatterlist *sg, int nelems, int direction); -extern void pci_dma_sync_sg_for_device(struct pci_dev *hwdev, struct scatterlist *sg, int nelems, int direction); - -/* Return whether the given PCI device DMA address mask can - * be supported properly. For example, if your device can - * only drive the low 24-bits during PCI bus mastering, then - * you would pass 0x00ffffff as the mask to this function. - */ -static inline int pci_dma_supported(struct pci_dev *hwdev, u64 mask) -{ - return 1; -} - #ifdef CONFIG_PCI static inline void pci_dma_burst_advice(struct pci_dev *pdev, enum pci_dma_burst_strategy *strat, @@ -152,20 +32,25 @@ static inline void pci_dma_burst_advice(struct pci_dev *pdev, } #endif -#define PCI_DMA_ERROR_CODE (~(dma_addr_t)0x0) - -static inline int pci_dma_mapping_error(struct pci_dev *pdev, - dma_addr_t dma_addr) -{ - return (dma_addr == PCI_DMA_ERROR_CODE); -} - -struct device_node; -extern struct device_node *pci_device_to_OF_node(struct pci_dev *pdev); - #endif /* __KERNEL__ */ +#ifndef CONFIG_LEON_PCI /* generic pci stuff */ #include <asm-generic/pci.h> +#else +/* + * On LEON PCI Memory space is mapped 1:1 with physical address space. + * + * I/O space is located at low 64Kbytes in PCI I/O space. The I/O addresses + * are converted into CPU addresses to virtual addresses that are mapped with + * MMU to the PCI Host PCI I/O space window which are translated to the low + * 64Kbytes by the Host controller. + */ + +static inline int pci_get_legacy_ide_irq(struct pci_dev *dev, int channel) +{ + return PCI_IRQ_NONE; +} +#endif #endif /* __SPARC_PCI_H */ diff --git a/arch/sparc/include/asm/pci_64.h b/arch/sparc/include/asm/pci_64.h index 4f79a54948f..bd00a622616 100644 --- a/arch/sparc/include/asm/pci_64.h +++ b/arch/sparc/include/asm/pci_64.h @@ -10,142 +10,27 @@ * or architectures with incomplete PCI setup by the loader. */ #define pcibios_assign_all_busses() 0 -#define pcibios_scan_all_fns(a, b) 0 #define PCIBIOS_MIN_IO 0UL #define PCIBIOS_MIN_MEM 0UL #define PCI_IRQ_NONE 0xffffffff -#define PCI_CACHE_LINE_BYTES 64 - -static inline void pcibios_set_master(struct pci_dev *dev) -{ - /* No special bus mastering setup handling */ -} - -static inline void pcibios_penalize_isa_irq(int irq, int active) -{ - /* We don't do dynamic PCI IRQ allocation */ -} - /* The PCI address space does not equal the physical memory * address space. The networking and block device layers use * this boolean for bounce buffer decisions. */ #define PCI_DMA_BUS_IS_PHYS (0) -static inline void *pci_alloc_consistent(struct pci_dev *pdev, size_t size, - dma_addr_t *dma_handle) -{ - return dma_alloc_coherent(&pdev->dev, size, dma_handle, GFP_ATOMIC); -} - -static inline void pci_free_consistent(struct pci_dev *pdev, size_t size, - void *vaddr, dma_addr_t dma_handle) -{ - return dma_free_coherent(&pdev->dev, size, vaddr, dma_handle); -} - -static inline dma_addr_t pci_map_single(struct pci_dev *pdev, void *ptr, - size_t size, int direction) -{ - return dma_map_single(&pdev->dev, ptr, size, - (enum dma_data_direction) direction); -} - -static inline void pci_unmap_single(struct pci_dev *pdev, dma_addr_t dma_addr, - size_t size, int direction) -{ - dma_unmap_single(&pdev->dev, dma_addr, size, - (enum dma_data_direction) direction); -} - -#define pci_map_page(dev, page, off, size, dir) \ - pci_map_single(dev, (page_address(page) + (off)), size, dir) -#define pci_unmap_page(dev,addr,sz,dir) \ - pci_unmap_single(dev,addr,sz,dir) - -/* pci_unmap_{single,page} is not a nop, thus... */ -#define DECLARE_PCI_UNMAP_ADDR(ADDR_NAME) \ - dma_addr_t ADDR_NAME; -#define DECLARE_PCI_UNMAP_LEN(LEN_NAME) \ - __u32 LEN_NAME; -#define pci_unmap_addr(PTR, ADDR_NAME) \ - ((PTR)->ADDR_NAME) -#define pci_unmap_addr_set(PTR, ADDR_NAME, VAL) \ - (((PTR)->ADDR_NAME) = (VAL)) -#define pci_unmap_len(PTR, LEN_NAME) \ - ((PTR)->LEN_NAME) -#define pci_unmap_len_set(PTR, LEN_NAME, VAL) \ - (((PTR)->LEN_NAME) = (VAL)) - -static inline int pci_map_sg(struct pci_dev *pdev, struct scatterlist *sg, - int nents, int direction) -{ - return dma_map_sg(&pdev->dev, sg, nents, - (enum dma_data_direction) direction); -} - -static inline void pci_unmap_sg(struct pci_dev *pdev, struct scatterlist *sg, - int nents, int direction) -{ - dma_unmap_sg(&pdev->dev, sg, nents, - (enum dma_data_direction) direction); -} - -static inline void pci_dma_sync_single_for_cpu(struct pci_dev *pdev, - dma_addr_t dma_handle, - size_t size, int direction) -{ - dma_sync_single_for_cpu(&pdev->dev, dma_handle, size, - (enum dma_data_direction) direction); -} - -static inline void pci_dma_sync_single_for_device(struct pci_dev *pdev, - dma_addr_t dma_handle, - size_t size, int direction) -{ - /* No flushing needed to sync cpu writes to the device. */ -} - -static inline void pci_dma_sync_sg_for_cpu(struct pci_dev *pdev, - struct scatterlist *sg, - int nents, int direction) -{ - dma_sync_sg_for_cpu(&pdev->dev, sg, nents, - (enum dma_data_direction) direction); -} - -static inline void pci_dma_sync_sg_for_device(struct pci_dev *pdev, - struct scatterlist *sg, - int nelems, int direction) -{ - /* No flushing needed to sync cpu writes to the device. */ -} - -/* Return whether the given PCI device DMA address mask can - * be supported properly. For example, if your device can - * only drive the low 24-bits during PCI bus mastering, then - * you would pass 0x00ffffff as the mask to this function. - */ -extern int pci_dma_supported(struct pci_dev *hwdev, u64 mask); - /* PCI IOMMU mapping bypass support. */ /* PCI 64-bit addressing works for all slots on all controller * types on sparc64. However, it requires that the device * can drive enough of the 64 bits. */ -#define PCI64_REQUIRED_MASK (~(dma64_addr_t)0) +#define PCI64_REQUIRED_MASK (~(u64)0) #define PCI64_ADDR_BASE 0xfffc000000000000UL -static inline int pci_dma_mapping_error(struct pci_dev *pdev, - dma_addr_t dma_addr) -{ - return dma_mapping_error(&pdev->dev, dma_addr); -} - #ifdef CONFIG_PCI static inline void pci_dma_burst_advice(struct pci_dev *pdev, enum pci_dma_burst_strategy *strat, @@ -167,7 +52,7 @@ static inline void pci_dma_burst_advice(struct pci_dev *pdev, /* Return the index of the PCI controller for device PDEV. */ -extern int pci_domain_nr(struct pci_bus *bus); +int pci_domain_nr(struct pci_bus *bus); static inline int pci_proc_domain(struct pci_bus *bus) { return 1; @@ -179,32 +64,19 @@ static inline int pci_proc_domain(struct pci_bus *bus) #define HAVE_ARCH_PCI_GET_UNMAPPED_AREA #define get_pci_unmapped_area get_fb_unmapped_area -extern int pci_mmap_page_range(struct pci_dev *dev, struct vm_area_struct *vma, - enum pci_mmap_state mmap_state, - int write_combine); - -extern void -pcibios_resource_to_bus(struct pci_dev *dev, struct pci_bus_region *region, - struct resource *res); - -extern void -pcibios_bus_to_resource(struct pci_dev *dev, struct resource *res, - struct pci_bus_region *region); - -extern struct resource *pcibios_select_root(struct pci_dev *, struct resource *); +int pci_mmap_page_range(struct pci_dev *dev, struct vm_area_struct *vma, + enum pci_mmap_state mmap_state, + int write_combine); static inline int pci_get_legacy_ide_irq(struct pci_dev *dev, int channel) { return PCI_IRQ_NONE; } -struct device_node; -extern struct device_node *pci_device_to_OF_node(struct pci_dev *pdev); - #define HAVE_ARCH_PCI_RESOURCE_TO_USER -extern void pci_resource_to_user(const struct pci_dev *dev, int bar, - const struct resource *rsrc, - resource_size_t *start, resource_size_t *end); +void pci_resource_to_user(const struct pci_dev *dev, int bar, + const struct resource *rsrc, + resource_size_t *start, resource_size_t *end); #endif /* __KERNEL__ */ #endif /* __SPARC64_PCI_H */ diff --git a/arch/sparc/include/asm/pcic.h b/arch/sparc/include/asm/pcic.h index f20ef562b26..f4170679259 100644 --- a/arch/sparc/include/asm/pcic.h +++ b/arch/sparc/include/asm/pcic.h @@ -29,11 +29,17 @@ struct linux_pcic { int pcic_imdim; }; -extern int pcic_probe(void); -/* Erm... MJ redefined pcibios_present() so that it does not work early. */ -extern int pcic_present(void); -extern void sun4m_pci_init_IRQ(void); - +#ifdef CONFIG_PCIC_PCI +int pcic_present(void); +int pcic_probe(void); +void pci_time_init(void); +void sun4m_pci_init_IRQ(void); +#else +static inline int pcic_present(void) { return 0; } +static inline int pcic_probe(void) { return 0; } +static inline void pci_time_init(void) {} +static inline void sun4m_pci_init_IRQ(void) {} +#endif #endif /* Size of PCI I/O space which we relocate. */ diff --git a/arch/sparc/include/asm/pcr.h b/arch/sparc/include/asm/pcr.h new file mode 100644 index 00000000000..cdf800c3326 --- /dev/null +++ b/arch/sparc/include/asm/pcr.h @@ -0,0 +1,50 @@ +#ifndef __PCR_H +#define __PCR_H + +struct pcr_ops { + u64 (*read_pcr)(unsigned long); + void (*write_pcr)(unsigned long, u64); + u64 (*read_pic)(unsigned long); + void (*write_pic)(unsigned long, u64); + u64 (*nmi_picl_value)(unsigned int nmi_hz); + u64 pcr_nmi_enable; + u64 pcr_nmi_disable; +}; +extern const struct pcr_ops *pcr_ops; + +void deferred_pcr_work_irq(int irq, struct pt_regs *regs); +void schedule_deferred_pcr_work(void); + +#define PCR_PIC_PRIV 0x00000001 /* PIC access is privileged */ +#define PCR_STRACE 0x00000002 /* Trace supervisor events */ +#define PCR_UTRACE 0x00000004 /* Trace user events */ +#define PCR_N2_HTRACE 0x00000008 /* Trace hypervisor events */ +#define PCR_N2_TOE_OV0 0x00000010 /* Trap if PIC 0 overflows */ +#define PCR_N2_TOE_OV1 0x00000020 /* Trap if PIC 1 overflows */ +#define PCR_N2_MASK0 0x00003fc0 +#define PCR_N2_MASK0_SHIFT 6 +#define PCR_N2_SL0 0x0003c000 +#define PCR_N2_SL0_SHIFT 14 +#define PCR_N2_OV0 0x00040000 +#define PCR_N2_MASK1 0x07f80000 +#define PCR_N2_MASK1_SHIFT 19 +#define PCR_N2_SL1 0x78000000 +#define PCR_N2_SL1_SHIFT 27 +#define PCR_N2_OV1 0x80000000 + +#define PCR_N4_OV 0x00000001 /* PIC overflow */ +#define PCR_N4_TOE 0x00000002 /* Trap On Event */ +#define PCR_N4_UTRACE 0x00000004 /* Trace user events */ +#define PCR_N4_STRACE 0x00000008 /* Trace supervisor events */ +#define PCR_N4_HTRACE 0x00000010 /* Trace hypervisor events */ +#define PCR_N4_MASK 0x000007e0 /* Event mask */ +#define PCR_N4_MASK_SHIFT 5 +#define PCR_N4_SL 0x0000f800 /* Event Select */ +#define PCR_N4_SL_SHIFT 11 +#define PCR_N4_PICNPT 0x00010000 /* PIC non-privileged trap */ +#define PCR_N4_PICNHT 0x00020000 /* PIC non-hypervisor trap */ +#define PCR_N4_NTC 0x00040000 /* Next-To-Commit wrap */ + +int pcr_arch_init(void); + +#endif /* __PCR_H */ diff --git a/arch/sparc/include/asm/percpu_64.h b/arch/sparc/include/asm/percpu_64.h index bee64593023..007aafb4ae9 100644 --- a/arch/sparc/include/asm/percpu_64.h +++ b/arch/sparc/include/asm/percpu_64.h @@ -7,20 +7,16 @@ register unsigned long __local_per_cpu_offset asm("g5"); #ifdef CONFIG_SMP -extern void real_setup_per_cpu_areas(void); +#include <asm/trap_block.h> -extern unsigned long __per_cpu_base; -extern unsigned long __per_cpu_shift; #define __per_cpu_offset(__cpu) \ - (__per_cpu_base + ((unsigned long)(__cpu) << __per_cpu_shift)) + (trap_block[(__cpu)].__per_cpu_base) #define per_cpu_offset(x) (__per_cpu_offset(x)) #define __my_cpu_offset __local_per_cpu_offset #else /* ! SMP */ -#define real_setup_per_cpu_areas() do { } while (0) - #endif /* SMP */ #include <asm-generic/percpu.h> diff --git a/arch/sparc/include/asm/perf_event.h b/arch/sparc/include/asm/perf_event.h new file mode 100644 index 00000000000..4d3dbe3703e --- /dev/null +++ b/arch/sparc/include/asm/perf_event.h @@ -0,0 +1,29 @@ +#ifndef __ASM_SPARC_PERF_EVENT_H +#define __ASM_SPARC_PERF_EVENT_H + +#ifdef CONFIG_PERF_EVENTS +#include <asm/ptrace.h> + +#define perf_arch_fetch_caller_regs(regs, ip) \ +do { \ + unsigned long _pstate, _asi, _pil, _i7, _fp; \ + __asm__ __volatile__("rdpr %%pstate, %0\n\t" \ + "rd %%asi, %1\n\t" \ + "rdpr %%pil, %2\n\t" \ + "mov %%i7, %3\n\t" \ + "mov %%i6, %4\n\t" \ + : "=r" (_pstate), \ + "=r" (_asi), \ + "=r" (_pil), \ + "=r" (_i7), \ + "=r" (_fp)); \ + (regs)->tstate = (_pstate << 8) | \ + (_asi << 24) | (_pil << 20); \ + (regs)->tpc = (ip); \ + (regs)->tnpc = (regs)->tpc + 4; \ + (regs)->u_regs[UREG_I6] = _fp; \ + (regs)->u_regs[UREG_I7] = _i7; \ +} while (0) +#endif + +#endif diff --git a/arch/sparc/include/asm/perfctr.h b/arch/sparc/include/asm/perfctr.h deleted file mode 100644 index 836873002b7..00000000000 --- a/arch/sparc/include/asm/perfctr.h +++ /dev/null @@ -1,173 +0,0 @@ -/*---------------------------------------- - PERFORMANCE INSTRUMENTATION - Guillaume Thouvenin 08/10/98 - David S. Miller 10/06/98 - ---------------------------------------*/ -#ifndef PERF_COUNTER_API -#define PERF_COUNTER_API - -/* sys_perfctr() interface. First arg is operation code - * from enumeration below. The meaning of further arguments - * are determined by the operation code. - * - * int sys_perfctr(int opcode, unsigned long arg0, - * unsigned long arg1, unsigned long arg2) - * - * Pointers which are passed by the user are pointers to 64-bit - * integers. - * - * Once enabled, performance counter state is retained until the - * process either exits or performs an exec. That is, performance - * counters remain enabled for fork/clone children. - */ -enum perfctr_opcode { - /* Enable UltraSparc performance counters, ARG0 is pointer - * to 64-bit accumulator for D0 counter in PIC, ARG1 is pointer - * to 64-bit accumulator for D1 counter. ARG2 is a pointer to - * the initial PCR register value to use. - */ - PERFCTR_ON, - - /* Disable UltraSparc performance counters. The PCR is written - * with zero and the user counter accumulator pointers and - * working PCR register value are forgotten. - */ - PERFCTR_OFF, - - /* Add current D0 and D1 PIC values into user pointers given - * in PERFCTR_ON operation. The PIC is cleared before returning. - */ - PERFCTR_READ, - - /* Clear the PIC register. */ - PERFCTR_CLRPIC, - - /* Begin using a new PCR value, the pointer to which is passed - * in ARG0. The PIC is also cleared after the new PCR value is - * written. - */ - PERFCTR_SETPCR, - - /* Store in pointer given in ARG0 the current PCR register value - * being used. - */ - PERFCTR_GETPCR -}; - -/* I don't want the kernel's namespace to be polluted with this - * stuff when this file is included. --DaveM - */ -#ifndef __KERNEL__ - -#define PRIV 0x00000001 -#define SYS 0x00000002 -#define USR 0x00000004 - -/* Pic.S0 Selection Bit Field Encoding, Ultra-I/II */ -#define CYCLE_CNT 0x00000000 -#define INSTR_CNT 0x00000010 -#define DISPATCH0_IC_MISS 0x00000020 -#define DISPATCH0_STOREBUF 0x00000030 -#define IC_REF 0x00000080 -#define DC_RD 0x00000090 -#define DC_WR 0x000000A0 -#define LOAD_USE 0x000000B0 -#define EC_REF 0x000000C0 -#define EC_WRITE_HIT_RDO 0x000000D0 -#define EC_SNOOP_INV 0x000000E0 -#define EC_RD_HIT 0x000000F0 - -/* Pic.S0 Selection Bit Field Encoding, Ultra-III */ -#define US3_CYCLE_CNT 0x00000000 -#define US3_INSTR_CNT 0x00000010 -#define US3_DISPATCH0_IC_MISS 0x00000020 -#define US3_DISPATCH0_BR_TGT 0x00000030 -#define US3_DISPATCH0_2ND_BR 0x00000040 -#define US3_RSTALL_STOREQ 0x00000050 -#define US3_RSTALL_IU_USE 0x00000060 -#define US3_IC_REF 0x00000080 -#define US3_DC_RD 0x00000090 -#define US3_DC_WR 0x000000a0 -#define US3_EC_REF 0x000000c0 -#define US3_EC_WR_HIT_RTO 0x000000d0 -#define US3_EC_SNOOP_INV 0x000000e0 -#define US3_EC_RD_MISS 0x000000f0 -#define US3_PC_PORT0_RD 0x00000100 -#define US3_SI_SNOOP 0x00000110 -#define US3_SI_CIQ_FLOW 0x00000120 -#define US3_SI_OWNED 0x00000130 -#define US3_SW_COUNT_0 0x00000140 -#define US3_IU_BR_MISS_TAKEN 0x00000150 -#define US3_IU_BR_COUNT_TAKEN 0x00000160 -#define US3_DISP_RS_MISPRED 0x00000170 -#define US3_FA_PIPE_COMPL 0x00000180 -#define US3_MC_READS_0 0x00000200 -#define US3_MC_READS_1 0x00000210 -#define US3_MC_READS_2 0x00000220 -#define US3_MC_READS_3 0x00000230 -#define US3_MC_STALLS_0 0x00000240 -#define US3_MC_STALLS_2 0x00000250 - -/* Pic.S1 Selection Bit Field Encoding, Ultra-I/II */ -#define CYCLE_CNT_D1 0x00000000 -#define INSTR_CNT_D1 0x00000800 -#define DISPATCH0_IC_MISPRED 0x00001000 -#define DISPATCH0_FP_USE 0x00001800 -#define IC_HIT 0x00004000 -#define DC_RD_HIT 0x00004800 -#define DC_WR_HIT 0x00005000 -#define LOAD_USE_RAW 0x00005800 -#define EC_HIT 0x00006000 -#define EC_WB 0x00006800 -#define EC_SNOOP_CB 0x00007000 -#define EC_IT_HIT 0x00007800 - -/* Pic.S1 Selection Bit Field Encoding, Ultra-III */ -#define US3_CYCLE_CNT_D1 0x00000000 -#define US3_INSTR_CNT_D1 0x00000800 -#define US3_DISPATCH0_MISPRED 0x00001000 -#define US3_IC_MISS_CANCELLED 0x00001800 -#define US3_RE_ENDIAN_MISS 0x00002000 -#define US3_RE_FPU_BYPASS 0x00002800 -#define US3_RE_DC_MISS 0x00003000 -#define US3_RE_EC_MISS 0x00003800 -#define US3_IC_MISS 0x00004000 -#define US3_DC_RD_MISS 0x00004800 -#define US3_DC_WR_MISS 0x00005000 -#define US3_RSTALL_FP_USE 0x00005800 -#define US3_EC_MISSES 0x00006000 -#define US3_EC_WB 0x00006800 -#define US3_EC_SNOOP_CB 0x00007000 -#define US3_EC_IC_MISS 0x00007800 -#define US3_RE_PC_MISS 0x00008000 -#define US3_ITLB_MISS 0x00008800 -#define US3_DTLB_MISS 0x00009000 -#define US3_WC_MISS 0x00009800 -#define US3_WC_SNOOP_CB 0x0000a000 -#define US3_WC_SCRUBBED 0x0000a800 -#define US3_WC_WB_WO_READ 0x0000b000 -#define US3_PC_SOFT_HIT 0x0000c000 -#define US3_PC_SNOOP_INV 0x0000c800 -#define US3_PC_HARD_HIT 0x0000d000 -#define US3_PC_PORT1_RD 0x0000d800 -#define US3_SW_COUNT_1 0x0000e000 -#define US3_IU_STAT_BR_MIS_UNTAKEN 0x0000e800 -#define US3_IU_STAT_BR_COUNT_UNTAKEN 0x0000f000 -#define US3_PC_MS_MISSES 0x0000f800 -#define US3_MC_WRITES_0 0x00010800 -#define US3_MC_WRITES_1 0x00011000 -#define US3_MC_WRITES_2 0x00011800 -#define US3_MC_WRITES_3 0x00012000 -#define US3_MC_STALLS_1 0x00012800 -#define US3_MC_STALLS_3 0x00013000 -#define US3_RE_RAW_MISS 0x00013800 -#define US3_FM_PIPE_COMPLETION 0x00014000 - -struct vcounter_struct { - unsigned long long vcnt0; - unsigned long long vcnt1; -}; - -#endif /* !(__KERNEL__) */ - -#endif /* !(PERF_COUNTER_API) */ diff --git a/arch/sparc/include/asm/pgalloc_32.h b/arch/sparc/include/asm/pgalloc_32.h index 681582d2696..a3890da9442 100644 --- a/arch/sparc/include/asm/pgalloc_32.h +++ b/arch/sparc/include/asm/pgalloc_32.h @@ -4,65 +4,76 @@ #include <linux/kernel.h> #include <linux/sched.h> +#include <asm/pgtsrmmu.h> +#include <asm/pgtable.h> +#include <asm/vaddrs.h> #include <asm/page.h> -#include <asm/btfixup.h> struct page; -extern struct pgtable_cache_struct { - unsigned long *pgd_cache; - unsigned long *pte_cache; - unsigned long pgtable_cache_sz; - unsigned long pgd_cache_sz; -} pgt_quicklists; -#define pgd_quicklist (pgt_quicklists.pgd_cache) -#define pmd_quicklist ((unsigned long *)0) -#define pte_quicklist (pgt_quicklists.pte_cache) -#define pgtable_cache_size (pgt_quicklists.pgtable_cache_sz) -#define pgd_cache_size (pgt_quicklists.pgd_cache_sz) +void *srmmu_get_nocache(int size, int align); +void srmmu_free_nocache(void *addr, int size); -extern void check_pgt_cache(void); -BTFIXUPDEF_CALL(void, do_check_pgt_cache, int, int) -#define do_check_pgt_cache(low,high) BTFIXUP_CALL(do_check_pgt_cache)(low,high) +extern struct resource sparc_iomap; -BTFIXUPDEF_CALL(pgd_t *, get_pgd_fast, void) -#define get_pgd_fast() BTFIXUP_CALL(get_pgd_fast)() +#define check_pgt_cache() do { } while (0) -BTFIXUPDEF_CALL(void, free_pgd_fast, pgd_t *) -#define free_pgd_fast(pgd) BTFIXUP_CALL(free_pgd_fast)(pgd) +pgd_t *get_pgd_fast(void); +static inline void free_pgd_fast(pgd_t *pgd) +{ + srmmu_free_nocache(pgd, SRMMU_PGD_TABLE_SIZE); +} #define pgd_free(mm, pgd) free_pgd_fast(pgd) #define pgd_alloc(mm) get_pgd_fast() -BTFIXUPDEF_CALL(void, pgd_set, pgd_t *, pmd_t *) -#define pgd_set(pgdp,pmdp) BTFIXUP_CALL(pgd_set)(pgdp,pmdp) +static inline void pgd_set(pgd_t * pgdp, pmd_t * pmdp) +{ + unsigned long pa = __nocache_pa((unsigned long)pmdp); + + set_pte((pte_t *)pgdp, (SRMMU_ET_PTD | (pa >> 4))); +} + #define pgd_populate(MM, PGD, PMD) pgd_set(PGD, PMD) -BTFIXUPDEF_CALL(pmd_t *, pmd_alloc_one, struct mm_struct *, unsigned long) -#define pmd_alloc_one(mm, address) BTFIXUP_CALL(pmd_alloc_one)(mm, address) +static inline pmd_t *pmd_alloc_one(struct mm_struct *mm, + unsigned long address) +{ + return srmmu_get_nocache(SRMMU_PMD_TABLE_SIZE, + SRMMU_PMD_TABLE_SIZE); +} -BTFIXUPDEF_CALL(void, free_pmd_fast, pmd_t *) -#define free_pmd_fast(pmd) BTFIXUP_CALL(free_pmd_fast)(pmd) +static inline void free_pmd_fast(pmd_t * pmd) +{ + srmmu_free_nocache(pmd, SRMMU_PMD_TABLE_SIZE); +} -#define pmd_free(mm, pmd) free_pmd_fast(pmd) -#define __pmd_free_tlb(tlb, pmd) pmd_free((tlb)->mm, pmd) +#define pmd_free(mm, pmd) free_pmd_fast(pmd) +#define __pmd_free_tlb(tlb, pmd, addr) pmd_free((tlb)->mm, pmd) -BTFIXUPDEF_CALL(void, pmd_populate, pmd_t *, struct page *) -#define pmd_populate(MM, PMD, PTE) BTFIXUP_CALL(pmd_populate)(PMD, PTE) +void pmd_populate(struct mm_struct *mm, pmd_t *pmdp, struct page *ptep); #define pmd_pgtable(pmd) pmd_page(pmd) -BTFIXUPDEF_CALL(void, pmd_set, pmd_t *, pte_t *) -#define pmd_populate_kernel(MM, PMD, PTE) BTFIXUP_CALL(pmd_set)(PMD, PTE) -BTFIXUPDEF_CALL(pgtable_t , pte_alloc_one, struct mm_struct *, unsigned long) -#define pte_alloc_one(mm, address) BTFIXUP_CALL(pte_alloc_one)(mm, address) -BTFIXUPDEF_CALL(pte_t *, pte_alloc_one_kernel, struct mm_struct *, unsigned long) -#define pte_alloc_one_kernel(mm, addr) BTFIXUP_CALL(pte_alloc_one_kernel)(mm, addr) +void pmd_set(pmd_t *pmdp, pte_t *ptep); +#define pmd_populate_kernel(MM, PMD, PTE) pmd_set(PMD, PTE) + +pgtable_t pte_alloc_one(struct mm_struct *mm, unsigned long address); + +static inline pte_t *pte_alloc_one_kernel(struct mm_struct *mm, + unsigned long address) +{ + return srmmu_get_nocache(PTE_SIZE, PTE_SIZE); +} + + +static inline void free_pte_fast(pte_t *pte) +{ + srmmu_free_nocache(pte, PTE_SIZE); +} -BTFIXUPDEF_CALL(void, free_pte_fast, pte_t *) -#define pte_free_kernel(mm, pte) BTFIXUP_CALL(free_pte_fast)(pte) +#define pte_free_kernel(mm, pte) free_pte_fast(pte) -BTFIXUPDEF_CALL(void, pte_free, pgtable_t ) -#define pte_free(mm, pte) BTFIXUP_CALL(pte_free)(pte) -#define __pte_free_tlb(tlb, pte) pte_free((tlb)->mm, pte) +void pte_free(struct mm_struct * mm, pgtable_t pte); +#define __pte_free_tlb(tlb, pte, addr) pte_free((tlb)->mm, pte) #endif /* _SPARC_PGALLOC_H */ diff --git a/arch/sparc/include/asm/pgalloc_64.h b/arch/sparc/include/asm/pgalloc_64.h index 5bdfa2c6e40..39a7ac49b00 100644 --- a/arch/sparc/include/asm/pgalloc_64.h +++ b/arch/sparc/include/asm/pgalloc_64.h @@ -5,7 +5,6 @@ #include <linux/sched.h> #include <linux/mm.h> #include <linux/slab.h> -#include <linux/quicklist.h> #include <asm/spitfire.h> #include <asm/cpudata.h> @@ -14,68 +13,82 @@ /* Page table allocation/freeing. */ +extern struct kmem_cache *pgtable_cache; + static inline pgd_t *pgd_alloc(struct mm_struct *mm) { - return quicklist_alloc(0, GFP_KERNEL, NULL); + return kmem_cache_alloc(pgtable_cache, GFP_KERNEL); } static inline void pgd_free(struct mm_struct *mm, pgd_t *pgd) { - quicklist_free(0, NULL, pgd); + kmem_cache_free(pgtable_cache, pgd); } #define pud_populate(MM, PUD, PMD) pud_set(PUD, PMD) static inline pmd_t *pmd_alloc_one(struct mm_struct *mm, unsigned long addr) { - return quicklist_alloc(0, GFP_KERNEL, NULL); + return kmem_cache_alloc(pgtable_cache, + GFP_KERNEL|__GFP_REPEAT); } static inline void pmd_free(struct mm_struct *mm, pmd_t *pmd) { - quicklist_free(0, NULL, pmd); + kmem_cache_free(pgtable_cache, pmd); } -static inline pte_t *pte_alloc_one_kernel(struct mm_struct *mm, - unsigned long address) -{ - return quicklist_alloc(0, GFP_KERNEL, NULL); -} +pte_t *pte_alloc_one_kernel(struct mm_struct *mm, + unsigned long address); +pgtable_t pte_alloc_one(struct mm_struct *mm, + unsigned long address); +void pte_free_kernel(struct mm_struct *mm, pte_t *pte); +void pte_free(struct mm_struct *mm, pgtable_t ptepage); + +#define pmd_populate_kernel(MM, PMD, PTE) pmd_set(MM, PMD, PTE) +#define pmd_populate(MM, PMD, PTE) pmd_set(MM, PMD, PTE) +#define pmd_pgtable(PMD) ((pte_t *)__pmd_page(PMD)) + +#define check_pgt_cache() do { } while (0) + +void pgtable_free(void *table, bool is_page); + +#ifdef CONFIG_SMP -static inline pgtable_t pte_alloc_one(struct mm_struct *mm, - unsigned long address) +struct mmu_gather; +void tlb_remove_table(struct mmu_gather *, void *); + +static inline void pgtable_free_tlb(struct mmu_gather *tlb, void *table, bool is_page) { - struct page *page; - void *pg; - - pg = quicklist_alloc(0, GFP_KERNEL, NULL); - if (!pg) - return NULL; - page = virt_to_page(pg); - pgtable_page_ctor(page); - return page; + unsigned long pgf = (unsigned long)table; + if (is_page) + pgf |= 0x1UL; + tlb_remove_table(tlb, (void *)pgf); } -static inline void pte_free_kernel(struct mm_struct *mm, pte_t *pte) +static inline void __tlb_remove_table(void *_table) { - quicklist_free(0, NULL, pte); -} + void *table = (void *)((unsigned long)_table & ~0x1UL); + bool is_page = false; -static inline void pte_free(struct mm_struct *mm, pgtable_t ptepage) + if ((unsigned long)_table & 0x1UL) + is_page = true; + pgtable_free(table, is_page); +} +#else /* CONFIG_SMP */ +static inline void pgtable_free_tlb(struct mmu_gather *tlb, void *table, bool is_page) { - pgtable_page_dtor(ptepage); - quicklist_free_page(0, NULL, ptepage); + pgtable_free(table, is_page); } +#endif /* !CONFIG_SMP */ - -#define pmd_populate_kernel(MM, PMD, PTE) pmd_set(PMD, PTE) -#define pmd_populate(MM,PMD,PTE_PAGE) \ - pmd_populate_kernel(MM,PMD,page_address(PTE_PAGE)) -#define pmd_pgtable(pmd) pmd_page(pmd) - -static inline void check_pgt_cache(void) +static inline void __pte_free_tlb(struct mmu_gather *tlb, pte_t *pte, + unsigned long address) { - quicklist_trim(0, NULL, 25, 16); + pgtable_free_tlb(tlb, pte, true); } +#define __pmd_free_tlb(tlb, pmd, addr) \ + pgtable_free_tlb(tlb, pmd, false) + #endif /* _SPARC64_PGALLOC_H */ diff --git a/arch/sparc/include/asm/pgtable_32.h b/arch/sparc/include/asm/pgtable_32.h index 08237fda887..b9b91ae19fe 100644 --- a/arch/sparc/include/asm/pgtable_32.h +++ b/arch/sparc/include/asm/pgtable_32.h @@ -8,113 +8,77 @@ * Copyright (C) 1998 Jakub Jelinek (jj@sunsite.mff.cuni.cz) */ +#include <linux/const.h> + #ifndef __ASSEMBLY__ #include <asm-generic/4level-fixup.h> #include <linux/spinlock.h> #include <linux/swap.h> #include <asm/types.h> -#ifdef CONFIG_SUN4 -#include <asm/pgtsun4.h> -#else -#include <asm/pgtsun4c.h> -#endif #include <asm/pgtsrmmu.h> -#include <asm/vac-ops.h> +#include <asm/vaddrs.h> #include <asm/oplib.h> -#include <asm/btfixup.h> -#include <asm/system.h> +#include <asm/cpu_type.h> struct vm_area_struct; struct page; -extern void load_mmu(void); -extern unsigned long calc_highpages(void); - -BTFIXUPDEF_SIMM13(pgdir_shift) -BTFIXUPDEF_SETHI(pgdir_size) -BTFIXUPDEF_SETHI(pgdir_mask) - -BTFIXUPDEF_SIMM13(ptrs_per_pmd) -BTFIXUPDEF_SIMM13(ptrs_per_pgd) -BTFIXUPDEF_SIMM13(user_ptrs_per_pgd) +void load_mmu(void); +unsigned long calc_highpages(void); +unsigned long __init bootmem_init(unsigned long *pages_avail); #define pte_ERROR(e) __builtin_trap() #define pmd_ERROR(e) __builtin_trap() #define pgd_ERROR(e) __builtin_trap() -BTFIXUPDEF_INT(page_none) -BTFIXUPDEF_INT(page_copy) -BTFIXUPDEF_INT(page_readonly) -BTFIXUPDEF_INT(page_kernel) - -#define PMD_SHIFT SUN4C_PMD_SHIFT +#define PMD_SHIFT 22 #define PMD_SIZE (1UL << PMD_SHIFT) #define PMD_MASK (~(PMD_SIZE-1)) #define PMD_ALIGN(__addr) (((__addr) + ~PMD_MASK) & PMD_MASK) -#define PGDIR_SHIFT BTFIXUP_SIMM13(pgdir_shift) -#define PGDIR_SIZE BTFIXUP_SETHI(pgdir_size) -#define PGDIR_MASK BTFIXUP_SETHI(pgdir_mask) +#define PGDIR_SHIFT SRMMU_PGDIR_SHIFT +#define PGDIR_SIZE SRMMU_PGDIR_SIZE +#define PGDIR_MASK SRMMU_PGDIR_MASK #define PTRS_PER_PTE 1024 -#define PTRS_PER_PMD BTFIXUP_SIMM13(ptrs_per_pmd) -#define PTRS_PER_PGD BTFIXUP_SIMM13(ptrs_per_pgd) -#define USER_PTRS_PER_PGD BTFIXUP_SIMM13(user_ptrs_per_pgd) +#define PTRS_PER_PMD SRMMU_PTRS_PER_PMD +#define PTRS_PER_PGD SRMMU_PTRS_PER_PGD +#define USER_PTRS_PER_PGD PAGE_OFFSET / SRMMU_PGDIR_SIZE #define FIRST_USER_ADDRESS 0 #define PTE_SIZE (PTRS_PER_PTE*4) -#define PAGE_NONE __pgprot(BTFIXUP_INT(page_none)) -extern pgprot_t PAGE_SHARED; -#define PAGE_COPY __pgprot(BTFIXUP_INT(page_copy)) -#define PAGE_READONLY __pgprot(BTFIXUP_INT(page_readonly)) +#define PAGE_NONE SRMMU_PAGE_NONE +#define PAGE_SHARED SRMMU_PAGE_SHARED +#define PAGE_COPY SRMMU_PAGE_COPY +#define PAGE_READONLY SRMMU_PAGE_RDONLY +#define PAGE_KERNEL SRMMU_PAGE_KERNEL -extern unsigned long page_kernel; +/* Top-level page directory - dummy used by init-mm. + * srmmu.c will assign the real one (which is dynamically sized) */ +#define swapper_pg_dir NULL -#ifdef MODULE -#define PAGE_KERNEL page_kernel -#else -#define PAGE_KERNEL __pgprot(BTFIXUP_INT(page_kernel)) -#endif - -/* Top-level page directory */ -extern pgd_t swapper_pg_dir[1024]; - -extern void paging_init(void); - -/* Page table for 0-4MB for everybody, on the Sparc this - * holds the same as on the i386. - */ -extern pte_t pg0[1024]; -extern pte_t pg1[1024]; -extern pte_t pg2[1024]; -extern pte_t pg3[1024]; +void paging_init(void); extern unsigned long ptr_in_current_pgd; -/* Here is a trick, since mmap.c need the initializer elements for - * protection_map[] to be constant at compile time, I set the following - * to all zeros. I set it to the real values after I link in the - * appropriate MMU page table routines at boot time. - */ -#define __P000 __pgprot(0) -#define __P001 __pgprot(0) -#define __P010 __pgprot(0) -#define __P011 __pgprot(0) -#define __P100 __pgprot(0) -#define __P101 __pgprot(0) -#define __P110 __pgprot(0) -#define __P111 __pgprot(0) - -#define __S000 __pgprot(0) -#define __S001 __pgprot(0) -#define __S010 __pgprot(0) -#define __S011 __pgprot(0) -#define __S100 __pgprot(0) -#define __S101 __pgprot(0) -#define __S110 __pgprot(0) -#define __S111 __pgprot(0) - -extern int num_contexts; +/* xwr */ +#define __P000 PAGE_NONE +#define __P001 PAGE_READONLY +#define __P010 PAGE_COPY +#define __P011 PAGE_COPY +#define __P100 PAGE_READONLY +#define __P101 PAGE_READONLY +#define __P110 PAGE_COPY +#define __P111 PAGE_COPY + +#define __S000 PAGE_NONE +#define __S001 PAGE_READONLY +#define __S010 PAGE_SHARED +#define __S011 PAGE_SHARED +#define __S100 PAGE_READONLY +#define __S101 PAGE_READONLY +#define __S110 PAGE_SHARED +#define __S111 PAGE_SHARED /* First physical page can be anywhere, the following is needed so that * va-->pa and vice versa conversions work properly without performance @@ -124,98 +88,145 @@ extern unsigned long phys_base; extern unsigned long pfn_base; /* - * BAD_PAGETABLE is used when we need a bogus page-table, while - * BAD_PAGE is used for a bogus page. - * * ZERO_PAGE is a global shared page that is always zero: used * for zero-mapped memory areas etc.. */ -extern pte_t * __bad_pagetable(void); -extern pte_t __bad_page(void); extern unsigned long empty_zero_page; -#define BAD_PAGETABLE __bad_pagetable() -#define BAD_PAGE __bad_page() #define ZERO_PAGE(vaddr) (virt_to_page(&empty_zero_page)) /* + * In general all page table modifications should use the V8 atomic + * swap instruction. This insures the mmu and the cpu are in sync + * with respect to ref/mod bits in the page tables. */ -BTFIXUPDEF_CALL_CONST(struct page *, pmd_page, pmd_t) -BTFIXUPDEF_CALL_CONST(unsigned long, pgd_page_vaddr, pgd_t) +static inline unsigned long srmmu_swap(unsigned long *addr, unsigned long value) +{ + __asm__ __volatile__("swap [%2], %0" : "=&r" (value) : "0" (value), "r" (addr)); + return value; +} -#define pmd_page(pmd) BTFIXUP_CALL(pmd_page)(pmd) -#define pgd_page_vaddr(pgd) BTFIXUP_CALL(pgd_page_vaddr)(pgd) +/* Certain architectures need to do special things when pte's + * within a page table are directly modified. Thus, the following + * hook is made available. + */ + +static inline void set_pte(pte_t *ptep, pte_t pteval) +{ + srmmu_swap((unsigned long *)ptep, pte_val(pteval)); +} + +#define set_pte_at(mm,addr,ptep,pteval) set_pte(ptep,pteval) + +static inline int srmmu_device_memory(unsigned long x) +{ + return ((x & 0xF0000000) != 0); +} + +static inline struct page *pmd_page(pmd_t pmd) +{ + if (srmmu_device_memory(pmd_val(pmd))) + BUG(); + return pfn_to_page((pmd_val(pmd) & SRMMU_PTD_PMASK) >> (PAGE_SHIFT-4)); +} + +static inline unsigned long pgd_page_vaddr(pgd_t pgd) +{ + if (srmmu_device_memory(pgd_val(pgd))) { + return ~0; + } else { + unsigned long v = pgd_val(pgd) & SRMMU_PTD_PMASK; + return (unsigned long)__nocache_va(v << 4); + } +} -BTFIXUPDEF_SETHI(none_mask) -BTFIXUPDEF_CALL_CONST(int, pte_present, pte_t) -BTFIXUPDEF_CALL(void, pte_clear, pte_t *) +static inline int pte_present(pte_t pte) +{ + return ((pte_val(pte) & SRMMU_ET_MASK) == SRMMU_ET_PTE); +} static inline int pte_none(pte_t pte) { - return !(pte_val(pte) & ~BTFIXUP_SETHI(none_mask)); + return !pte_val(pte); +} + +static inline void __pte_clear(pte_t *ptep) +{ + set_pte(ptep, __pte(0)); +} + +static inline void pte_clear(struct mm_struct *mm, unsigned long addr, pte_t *ptep) +{ + __pte_clear(ptep); } -#define pte_present(pte) BTFIXUP_CALL(pte_present)(pte) -#define pte_clear(mm,addr,pte) BTFIXUP_CALL(pte_clear)(pte) +static inline int pmd_bad(pmd_t pmd) +{ + return (pmd_val(pmd) & SRMMU_ET_MASK) != SRMMU_ET_PTD; +} -BTFIXUPDEF_CALL_CONST(int, pmd_bad, pmd_t) -BTFIXUPDEF_CALL_CONST(int, pmd_present, pmd_t) -BTFIXUPDEF_CALL(void, pmd_clear, pmd_t *) +static inline int pmd_present(pmd_t pmd) +{ + return ((pmd_val(pmd) & SRMMU_ET_MASK) == SRMMU_ET_PTD); +} static inline int pmd_none(pmd_t pmd) { - return !(pmd_val(pmd) & ~BTFIXUP_SETHI(none_mask)); + return !pmd_val(pmd); } -#define pmd_bad(pmd) BTFIXUP_CALL(pmd_bad)(pmd) -#define pmd_present(pmd) BTFIXUP_CALL(pmd_present)(pmd) -#define pmd_clear(pmd) BTFIXUP_CALL(pmd_clear)(pmd) +static inline void pmd_clear(pmd_t *pmdp) +{ + int i; + for (i = 0; i < PTRS_PER_PTE/SRMMU_REAL_PTRS_PER_PTE; i++) + set_pte((pte_t *)&pmdp->pmdv[i], __pte(0)); +} -BTFIXUPDEF_CALL_CONST(int, pgd_none, pgd_t) -BTFIXUPDEF_CALL_CONST(int, pgd_bad, pgd_t) -BTFIXUPDEF_CALL_CONST(int, pgd_present, pgd_t) -BTFIXUPDEF_CALL(void, pgd_clear, pgd_t *) +static inline int pgd_none(pgd_t pgd) +{ + return !(pgd_val(pgd) & 0xFFFFFFF); +} -#define pgd_none(pgd) BTFIXUP_CALL(pgd_none)(pgd) -#define pgd_bad(pgd) BTFIXUP_CALL(pgd_bad)(pgd) -#define pgd_present(pgd) BTFIXUP_CALL(pgd_present)(pgd) -#define pgd_clear(pgd) BTFIXUP_CALL(pgd_clear)(pgd) +static inline int pgd_bad(pgd_t pgd) +{ + return (pgd_val(pgd) & SRMMU_ET_MASK) != SRMMU_ET_PTD; +} + +static inline int pgd_present(pgd_t pgd) +{ + return ((pgd_val(pgd) & SRMMU_ET_MASK) == SRMMU_ET_PTD); +} + +static inline void pgd_clear(pgd_t *pgdp) +{ + set_pte((pte_t *)pgdp, __pte(0)); +} /* * The following only work if pte_present() is true. * Undefined behaviour if not.. */ -BTFIXUPDEF_HALF(pte_writei) -BTFIXUPDEF_HALF(pte_dirtyi) -BTFIXUPDEF_HALF(pte_youngi) - -static int pte_write(pte_t pte) __attribute_const__; static inline int pte_write(pte_t pte) { - return pte_val(pte) & BTFIXUP_HALF(pte_writei); + return pte_val(pte) & SRMMU_WRITE; } -static int pte_dirty(pte_t pte) __attribute_const__; static inline int pte_dirty(pte_t pte) { - return pte_val(pte) & BTFIXUP_HALF(pte_dirtyi); + return pte_val(pte) & SRMMU_DIRTY; } -static int pte_young(pte_t pte) __attribute_const__; static inline int pte_young(pte_t pte) { - return pte_val(pte) & BTFIXUP_HALF(pte_youngi); + return pte_val(pte) & SRMMU_REF; } /* * The following only work if pte_present() is not true. */ -BTFIXUPDEF_HALF(pte_filei) - -static int pte_file(pte_t pte) __attribute_const__; static inline int pte_file(pte_t pte) { - return pte_val(pte) & BTFIXUP_HALF(pte_filei); + return pte_val(pte) & SRMMU_FILE; } static inline int pte_special(pte_t pte) @@ -223,68 +234,85 @@ static inline int pte_special(pte_t pte) return 0; } -/* - */ -BTFIXUPDEF_HALF(pte_wrprotecti) -BTFIXUPDEF_HALF(pte_mkcleani) -BTFIXUPDEF_HALF(pte_mkoldi) - -static pte_t pte_wrprotect(pte_t pte) __attribute_const__; static inline pte_t pte_wrprotect(pte_t pte) { - return __pte(pte_val(pte) & ~BTFIXUP_HALF(pte_wrprotecti)); + return __pte(pte_val(pte) & ~SRMMU_WRITE); } -static pte_t pte_mkclean(pte_t pte) __attribute_const__; static inline pte_t pte_mkclean(pte_t pte) { - return __pte(pte_val(pte) & ~BTFIXUP_HALF(pte_mkcleani)); + return __pte(pte_val(pte) & ~SRMMU_DIRTY); } -static pte_t pte_mkold(pte_t pte) __attribute_const__; static inline pte_t pte_mkold(pte_t pte) { - return __pte(pte_val(pte) & ~BTFIXUP_HALF(pte_mkoldi)); + return __pte(pte_val(pte) & ~SRMMU_REF); +} + +static inline pte_t pte_mkwrite(pte_t pte) +{ + return __pte(pte_val(pte) | SRMMU_WRITE); } -BTFIXUPDEF_CALL_CONST(pte_t, pte_mkwrite, pte_t) -BTFIXUPDEF_CALL_CONST(pte_t, pte_mkdirty, pte_t) -BTFIXUPDEF_CALL_CONST(pte_t, pte_mkyoung, pte_t) +static inline pte_t pte_mkdirty(pte_t pte) +{ + return __pte(pte_val(pte) | SRMMU_DIRTY); +} -#define pte_mkwrite(pte) BTFIXUP_CALL(pte_mkwrite)(pte) -#define pte_mkdirty(pte) BTFIXUP_CALL(pte_mkdirty)(pte) -#define pte_mkyoung(pte) BTFIXUP_CALL(pte_mkyoung)(pte) +static inline pte_t pte_mkyoung(pte_t pte) +{ + return __pte(pte_val(pte) | SRMMU_REF); +} #define pte_mkspecial(pte) (pte) #define pfn_pte(pfn, prot) mk_pte(pfn_to_page(pfn), prot) -BTFIXUPDEF_CALL(unsigned long, pte_pfn, pte_t) -#define pte_pfn(pte) BTFIXUP_CALL(pte_pfn)(pte) +static inline unsigned long pte_pfn(pte_t pte) +{ + if (srmmu_device_memory(pte_val(pte))) { + /* Just return something that will cause + * pfn_valid() to return false. This makes + * copy_one_pte() to just directly copy to + * PTE over. + */ + return ~0UL; + } + return (pte_val(pte) & SRMMU_PTE_PMASK) >> (PAGE_SHIFT-4); +} + #define pte_page(pte) pfn_to_page(pte_pfn(pte)) /* * Conversion functions: convert a page and protection to a page entry, * and a page entry and page directory to the page they refer to. */ -BTFIXUPDEF_CALL_CONST(pte_t, mk_pte, struct page *, pgprot_t) - -BTFIXUPDEF_CALL_CONST(pte_t, mk_pte_phys, unsigned long, pgprot_t) -BTFIXUPDEF_CALL_CONST(pte_t, mk_pte_io, unsigned long, pgprot_t, int) -BTFIXUPDEF_CALL_CONST(pgprot_t, pgprot_noncached, pgprot_t) +static inline pte_t mk_pte(struct page *page, pgprot_t pgprot) +{ + return __pte((page_to_pfn(page) << (PAGE_SHIFT-4)) | pgprot_val(pgprot)); +} -#define mk_pte(page,pgprot) BTFIXUP_CALL(mk_pte)(page,pgprot) -#define mk_pte_phys(page,pgprot) BTFIXUP_CALL(mk_pte_phys)(page,pgprot) -#define mk_pte_io(page,pgprot,space) BTFIXUP_CALL(mk_pte_io)(page,pgprot,space) +static inline pte_t mk_pte_phys(unsigned long page, pgprot_t pgprot) +{ + return __pte(((page) >> 4) | pgprot_val(pgprot)); +} -#define pgprot_noncached(pgprot) BTFIXUP_CALL(pgprot_noncached)(pgprot) +static inline pte_t mk_pte_io(unsigned long page, pgprot_t pgprot, int space) +{ + return __pte(((page) >> 4) | (space << 28) | pgprot_val(pgprot)); +} -BTFIXUPDEF_INT(pte_modify_mask) +#define pgprot_noncached pgprot_noncached +static inline pgprot_t pgprot_noncached(pgprot_t prot) +{ + prot &= ~__pgprot(SRMMU_CACHE); + return prot; +} static pte_t pte_modify(pte_t pte, pgprot_t newprot) __attribute_const__; static inline pte_t pte_modify(pte_t pte, pgprot_t newprot) { - return __pte((pte_val(pte) & BTFIXUP_INT(pte_modify_mask)) | + return __pte((pte_val(pte) & SRMMU_CHG_MASK) | pgprot_val(newprot)); } @@ -297,117 +325,76 @@ static inline pte_t pte_modify(pte_t pte, pgprot_t newprot) #define pgd_offset_k(address) pgd_offset(&init_mm, address) /* Find an entry in the second-level page table.. */ -BTFIXUPDEF_CALL(pmd_t *, pmd_offset, pgd_t *, unsigned long) -#define pmd_offset(dir,addr) BTFIXUP_CALL(pmd_offset)(dir,addr) +static inline pmd_t *pmd_offset(pgd_t * dir, unsigned long address) +{ + return (pmd_t *) pgd_page_vaddr(*dir) + + ((address >> PMD_SHIFT) & (PTRS_PER_PMD - 1)); +} /* Find an entry in the third-level page table.. */ -BTFIXUPDEF_CALL(pte_t *, pte_offset_kernel, pmd_t *, unsigned long) -#define pte_offset_kernel(dir,addr) BTFIXUP_CALL(pte_offset_kernel)(dir,addr) +pte_t *pte_offset_kernel(pmd_t * dir, unsigned long address); /* - * This shortcut works on sun4m (and sun4d) because the nocache area is static, - * and sun4c is guaranteed to have no highmem anyway. + * This shortcut works on sun4m (and sun4d) because the nocache area is static. */ #define pte_offset_map(d, a) pte_offset_kernel(d,a) -#define pte_offset_map_nested(d, a) pte_offset_kernel(d,a) - #define pte_unmap(pte) do{}while(0) -#define pte_unmap_nested(pte) do{}while(0) - -/* Certain architectures need to do special things when pte's - * within a page table are directly modified. Thus, the following - * hook is made available. - */ - -BTFIXUPDEF_CALL(void, set_pte, pte_t *, pte_t) - -#define set_pte(ptep,pteval) BTFIXUP_CALL(set_pte)(ptep,pteval) -#define set_pte_at(mm,addr,ptep,pteval) set_pte(ptep,pteval) struct seq_file; -BTFIXUPDEF_CALL(void, mmu_info, struct seq_file *) - -#define mmu_info(p) BTFIXUP_CALL(mmu_info)(p) +void mmu_info(struct seq_file *m); /* Fault handler stuff... */ #define FAULT_CODE_PROT 0x1 #define FAULT_CODE_WRITE 0x2 #define FAULT_CODE_USER 0x4 -BTFIXUPDEF_CALL(void, update_mmu_cache, struct vm_area_struct *, unsigned long, pte_t) - -#define update_mmu_cache(vma,addr,pte) BTFIXUP_CALL(update_mmu_cache)(vma,addr,pte) +#define update_mmu_cache(vma, address, ptep) do { } while (0) -BTFIXUPDEF_CALL(void, sparc_mapiorange, unsigned int, unsigned long, - unsigned long, unsigned int) -BTFIXUPDEF_CALL(void, sparc_unmapiorange, unsigned long, unsigned int) -#define sparc_mapiorange(bus,pa,va,len) BTFIXUP_CALL(sparc_mapiorange)(bus,pa,va,len) -#define sparc_unmapiorange(va,len) BTFIXUP_CALL(sparc_unmapiorange)(va,len) - -extern int invalid_segment; +void srmmu_mapiorange(unsigned int bus, unsigned long xpa, + unsigned long xva, unsigned int len); +void srmmu_unmapiorange(unsigned long virt_addr, unsigned int len); /* Encode and de-code a swap entry */ -BTFIXUPDEF_CALL(unsigned long, __swp_type, swp_entry_t) -BTFIXUPDEF_CALL(unsigned long, __swp_offset, swp_entry_t) -BTFIXUPDEF_CALL(swp_entry_t, __swp_entry, unsigned long, unsigned long) +static inline unsigned long __swp_type(swp_entry_t entry) +{ + return (entry.val >> SRMMU_SWP_TYPE_SHIFT) & SRMMU_SWP_TYPE_MASK; +} + +static inline unsigned long __swp_offset(swp_entry_t entry) +{ + return (entry.val >> SRMMU_SWP_OFF_SHIFT) & SRMMU_SWP_OFF_MASK; +} -#define __swp_type(__x) BTFIXUP_CALL(__swp_type)(__x) -#define __swp_offset(__x) BTFIXUP_CALL(__swp_offset)(__x) -#define __swp_entry(__type,__off) BTFIXUP_CALL(__swp_entry)(__type,__off) +static inline swp_entry_t __swp_entry(unsigned long type, unsigned long offset) +{ + return (swp_entry_t) { + (type & SRMMU_SWP_TYPE_MASK) << SRMMU_SWP_TYPE_SHIFT + | (offset & SRMMU_SWP_OFF_MASK) << SRMMU_SWP_OFF_SHIFT }; +} #define __pte_to_swp_entry(pte) ((swp_entry_t) { pte_val(pte) }) #define __swp_entry_to_pte(x) ((pte_t) { (x).val }) /* file-offset-in-pte helpers */ -BTFIXUPDEF_CALL(unsigned long, pte_to_pgoff, pte_t pte); -BTFIXUPDEF_CALL(pte_t, pgoff_to_pte, unsigned long pgoff); +static inline unsigned long pte_to_pgoff(pte_t pte) +{ + return pte_val(pte) >> SRMMU_PTE_FILE_SHIFT; +} -#define pte_to_pgoff(pte) BTFIXUP_CALL(pte_to_pgoff)(pte) -#define pgoff_to_pte(off) BTFIXUP_CALL(pgoff_to_pte)(off) +static inline pte_t pgoff_to_pte(unsigned long pgoff) +{ + return __pte((pgoff << SRMMU_PTE_FILE_SHIFT) | SRMMU_FILE); +} /* * This is made a constant because mm/fremap.c required a constant. - * Note that layout of these bits is different between sun4c.c and srmmu.c. */ #define PTE_FILE_MAX_BITS 24 -/* - */ -struct ctx_list { - struct ctx_list *next; - struct ctx_list *prev; - unsigned int ctx_number; - struct mm_struct *ctx_mm; -}; - -extern struct ctx_list *ctx_list_pool; /* Dynamically allocated */ -extern struct ctx_list ctx_free; /* Head of free list */ -extern struct ctx_list ctx_used; /* Head of used contexts list */ - -#define NO_CONTEXT -1 - -static inline void remove_from_ctx_list(struct ctx_list *entry) -{ - entry->next->prev = entry->prev; - entry->prev->next = entry->next; -} - -static inline void add_to_ctx_list(struct ctx_list *head, struct ctx_list *entry) -{ - entry->next = head; - (entry->prev = head->prev)->next = entry; - head->prev = entry; -} -#define add_to_free_ctxlist(entry) add_to_ctx_list(&ctx_free, entry) -#define add_to_used_ctxlist(entry) add_to_ctx_list(&ctx_used, entry) - static inline unsigned long __get_phys (unsigned long addr) { switch (sparc_cpu_model){ - case sun4: - case sun4c: - return sun4c_get_pte (addr) << PAGE_SHIFT; case sun4m: case sun4d: return ((srmmu_get_pte (addr) & 0xffffff00) << 4); @@ -420,9 +407,6 @@ static inline int __get_iospace (unsigned long addr) { switch (sparc_cpu_model){ - case sun4: - case sun4c: - return -1; /* Don't check iospace on sun4c */ case sun4m: case sun4d: return (srmmu_get_pte (addr) >> 28); @@ -437,10 +421,6 @@ extern unsigned long *sparc_valid_addr_bitmap; #define kern_addr_valid(addr) \ (test_bit(__pa((unsigned long)(addr))>>20, sparc_valid_addr_bitmap)) -extern int io_remap_pfn_range(struct vm_area_struct *vma, - unsigned long from, unsigned long pfn, - unsigned long size, pgprot_t prot); - /* * For sparc32&64, the pfn in io_remap_pfn_range() carries <iospace> in * its high 4 bits. These macros/functions put it there or get it from there. @@ -449,6 +429,23 @@ extern int io_remap_pfn_range(struct vm_area_struct *vma, #define GET_IOSPACE(pfn) (pfn >> (BITS_PER_LONG - 4)) #define GET_PFN(pfn) (pfn & 0x0fffffffUL) +int remap_pfn_range(struct vm_area_struct *, unsigned long, unsigned long, + unsigned long, pgprot_t); + +static inline int io_remap_pfn_range(struct vm_area_struct *vma, + unsigned long from, unsigned long pfn, + unsigned long size, pgprot_t prot) +{ + unsigned long long offset, space, phys_base; + + offset = ((unsigned long long) GET_PFN(pfn)) << PAGE_SHIFT; + space = GET_IOSPACE(pfn); + phys_base = offset | (space << 32ULL); + + return remap_pfn_range(vma, from, phys_base >> PAGE_SHIFT, size, prot); +} +#define io_remap_pfn_range io_remap_pfn_range + #define __HAVE_ARCH_PTEP_SET_ACCESS_FLAGS #define ptep_set_access_flags(__vma, __address, __ptep, __entry, __dirty) \ ({ \ @@ -457,17 +454,15 @@ extern int io_remap_pfn_range(struct vm_area_struct *vma, set_pte_at((__vma)->vm_mm, (__address), __ptep, __entry); \ flush_tlb_page(__vma, __address); \ } \ - (sparc_cpu_model == sun4c) || __changed; \ + __changed; \ }) #include <asm-generic/pgtable.h> #endif /* !(__ASSEMBLY__) */ -#define VMALLOC_START 0xfe600000 -/* XXX Alter this when I get around to fixing sun4c - Anton */ -#define VMALLOC_END 0xffc00000 - +#define VMALLOC_START _AC(0xfe600000,UL) +#define VMALLOC_END _AC(0xffc00000,UL) /* We provide our own get_unmapped_area to cope with VA holes for userland */ #define HAVE_ARCH_UNMAPPED_AREA diff --git a/arch/sparc/include/asm/pgtable_64.h b/arch/sparc/include/asm/pgtable_64.h index bb9ec2cce35..3770bf5c6e1 100644 --- a/arch/sparc/include/asm/pgtable_64.h +++ b/arch/sparc/include/asm/pgtable_64.h @@ -12,20 +12,20 @@ * the SpitFire page tables. */ -#include <asm-generic/pgtable-nopud.h> - #include <linux/compiler.h> #include <linux/const.h> #include <asm/types.h> #include <asm/spitfire.h> #include <asm/asi.h> -#include <asm/system.h> #include <asm/page.h> #include <asm/processor.h> +#include <asm-generic/pgtable-nopud.h> + /* The kernel image occupies 0x4000000 to 0x6000000 (4MB --> 96MB). * The page copy blockops can use 0x6000000 to 0x8000000. - * The TSB is mapped in the 0x8000000 to 0xa000000 range. + * The 8K TSB is mapped in the 0x8000000 to 0x8400000 range. + * The 4M TSB is mapped in the 0x8400000 to 0x8800000 range. * The PROM resides in an area spanning 0xf0000000 to 0x100000000. * The vmalloc area spans 0x100000000 to 0x200000000. * Since modules need to be in the lowest 32-bits of the address space, @@ -34,50 +34,62 @@ * 0x400000000. */ #define TLBTEMP_BASE _AC(0x0000000006000000,UL) -#define TSBMAP_BASE _AC(0x0000000008000000,UL) +#define TSBMAP_8K_BASE _AC(0x0000000008000000,UL) +#define TSBMAP_4M_BASE _AC(0x0000000008400000,UL) #define MODULES_VADDR _AC(0x0000000010000000,UL) #define MODULES_LEN _AC(0x00000000e0000000,UL) #define MODULES_END _AC(0x00000000f0000000,UL) #define LOW_OBP_ADDRESS _AC(0x00000000f0000000,UL) #define HI_OBP_ADDRESS _AC(0x0000000100000000,UL) #define VMALLOC_START _AC(0x0000000100000000,UL) -#define VMALLOC_END _AC(0x0000000200000000,UL) -#define VMEMMAP_BASE _AC(0x0000000200000000,UL) +#define VMALLOC_END _AC(0x0000010000000000,UL) +#define VMEMMAP_BASE _AC(0x0000010000000000,UL) #define vmemmap ((struct page *)VMEMMAP_BASE) -/* XXX All of this needs to be rethought so we can take advantage - * XXX cheetah's full 64-bit virtual address space, ie. no more hole - * XXX in the middle like on spitfire. -DaveM - */ -/* - * Given a virtual address, the lowest PAGE_SHIFT bits determine offset - * into the page; the next higher PAGE_SHIFT-3 bits determine the pte# - * in the proper pagetable (the -3 is from the 8 byte ptes, and each page - * table is a single page long). The next higher PMD_BITS determine pmd# - * in the proper pmdtable (where we must have PMD_BITS <= (PAGE_SHIFT-2) - * since the pmd entries are 4 bytes, and each pmd page is a single page - * long). Finally, the higher few bits determine pgde#. - */ - /* PMD_SHIFT determines the size of the area a second-level page * table can map */ #define PMD_SHIFT (PAGE_SHIFT + (PAGE_SHIFT-3)) #define PMD_SIZE (_AC(1,UL) << PMD_SHIFT) #define PMD_MASK (~(PMD_SIZE-1)) -#define PMD_BITS (PAGE_SHIFT - 2) +#define PMD_BITS (PAGE_SHIFT - 3) /* PGDIR_SHIFT determines what a third-level page table entry can map */ #define PGDIR_SHIFT (PAGE_SHIFT + (PAGE_SHIFT-3) + PMD_BITS) #define PGDIR_SIZE (_AC(1,UL) << PGDIR_SHIFT) #define PGDIR_MASK (~(PGDIR_SIZE-1)) -#define PGDIR_BITS (PAGE_SHIFT - 2) +#define PGDIR_BITS (PAGE_SHIFT - 3) + +#if (PGDIR_SHIFT + PGDIR_BITS) != 43 +#error Page table parameters do not cover virtual address space properly. +#endif + +#if (PMD_SHIFT != HPAGE_SHIFT) +#error PMD_SHIFT must equal HPAGE_SHIFT for transparent huge pages. +#endif #ifndef __ASSEMBLY__ #include <linux/sched.h> +extern unsigned long sparc64_valid_addr_bitmap[]; + +/* Needs to be defined here and not in linux/mm.h, as it is arch dependent */ +static inline bool __kern_addr_valid(unsigned long paddr) +{ + if ((paddr >> MAX_PHYS_ADDRESS_BITS) != 0UL) + return false; + return test_bit(paddr >> ILOG2_4MB, sparc64_valid_addr_bitmap); +} + +static inline bool kern_addr_valid(unsigned long addr) +{ + unsigned long paddr = __pa(addr); + + return __kern_addr_valid(paddr); +} + /* Entries per page directory level. */ #define PTRS_PER_PTE (1UL << (PAGE_SHIFT-3)) #define PTRS_PER_PMD (1UL << PMD_BITS) @@ -86,15 +98,23 @@ /* Kernel has a separate 44bit address space. */ #define FIRST_USER_ADDRESS 0 -#define pte_ERROR(e) __builtin_trap() -#define pmd_ERROR(e) __builtin_trap() -#define pgd_ERROR(e) __builtin_trap() +#define pmd_ERROR(e) \ + pr_err("%s:%d: bad pmd %p(%016lx) seen at (%pS)\n", \ + __FILE__, __LINE__, &(e), pmd_val(e), __builtin_return_address(0)) +#define pgd_ERROR(e) \ + pr_err("%s:%d: bad pgd %p(%016lx) seen at (%pS)\n", \ + __FILE__, __LINE__, &(e), pgd_val(e), __builtin_return_address(0)) #endif /* !(__ASSEMBLY__) */ /* PTE bits which are the same in SUN4U and SUN4V format. */ #define _PAGE_VALID _AC(0x8000000000000000,UL) /* Valid TTE */ #define _PAGE_R _AC(0x8000000000000000,UL) /* Keep ref bit uptodate*/ +#define _PAGE_SPECIAL _AC(0x0200000000000000,UL) /* Special page */ +#define _PAGE_PMD_HUGE _AC(0x0100000000000000,UL) /* Huge page */ + +/* Advertise support for _PAGE_SPECIAL */ +#define __HAVE_ARCH_PTE_SPECIAL /* SUN4U pte bits... */ #define _PAGE_SZ4MB_4U _AC(0x6000000000000000,UL) /* 4MB Page */ @@ -104,6 +124,8 @@ #define _PAGE_NFO_4U _AC(0x1000000000000000,UL) /* No Fault Only */ #define _PAGE_IE_4U _AC(0x0800000000000000,UL) /* Invert Endianness */ #define _PAGE_SOFT2_4U _AC(0x07FC000000000000,UL) /* Software bits, set 2 */ +#define _PAGE_SPECIAL_4U _AC(0x0200000000000000,UL) /* Special page */ +#define _PAGE_PMD_HUGE_4U _AC(0x0100000000000000,UL) /* Huge page */ #define _PAGE_RES1_4U _AC(0x0002000000000000,UL) /* Reserved */ #define _PAGE_SZ32MB_4U _AC(0x0001000000000000,UL) /* (Panther) 32MB page */ #define _PAGE_SZ256MB_4U _AC(0x2001000000000000,UL) /* (Panther) 256MB page */ @@ -133,6 +155,8 @@ #define _PAGE_ACCESSED_4V _AC(0x1000000000000000,UL) /* Accessed (ref'd) */ #define _PAGE_READ_4V _AC(0x0800000000000000,UL) /* Readable SW Bit */ #define _PAGE_WRITE_4V _AC(0x0400000000000000,UL) /* Writable SW Bit */ +#define _PAGE_SPECIAL_4V _AC(0x0200000000000000,UL) /* Special page */ +#define _PAGE_PMD_HUGE_4V _AC(0x0100000000000000,UL) /* Huge page */ #define _PAGE_PADDR_4V _AC(0x00FFFFFFFFFFE000,UL) /* paddr[55:13] */ #define _PAGE_IE_4V _AC(0x0000000000001000,UL) /* Invert Endianness */ #define _PAGE_E_4V _AC(0x0000000000000800,UL) /* side-Effect */ @@ -155,26 +179,15 @@ #define _PAGE_SZ8K_4V _AC(0x0000000000000000,UL) /* 8K Page */ #define _PAGE_SZALL_4V _AC(0x0000000000000007,UL) /* All pgsz bits */ -#if PAGE_SHIFT == 13 #define _PAGE_SZBITS_4U _PAGE_SZ8K_4U #define _PAGE_SZBITS_4V _PAGE_SZ8K_4V -#elif PAGE_SHIFT == 16 -#define _PAGE_SZBITS_4U _PAGE_SZ64K_4U -#define _PAGE_SZBITS_4V _PAGE_SZ64K_4V -#else -#error Wrong PAGE_SHIFT specified + +#if REAL_HPAGE_SHIFT != 22 +#error REAL_HPAGE_SHIFT and _PAGE_SZHUGE_foo must match up #endif -#if defined(CONFIG_HUGETLB_PAGE_SIZE_4MB) #define _PAGE_SZHUGE_4U _PAGE_SZ4MB_4U #define _PAGE_SZHUGE_4V _PAGE_SZ4MB_4V -#elif defined(CONFIG_HUGETLB_PAGE_SIZE_512K) -#define _PAGE_SZHUGE_4U _PAGE_SZ512K_4U -#define _PAGE_SZHUGE_4V _PAGE_SZ512K_4V -#elif defined(CONFIG_HUGETLB_PAGE_SIZE_64K) -#define _PAGE_SZHUGE_4U _PAGE_SZ64K_4U -#define _PAGE_SZHUGE_4V _PAGE_SZ64K_4V -#endif /* These are actually filled in at boot time by sun4{u,v}_pgprot_init() */ #define __P000 __pgprot(0) @@ -197,9 +210,9 @@ #ifndef __ASSEMBLY__ -extern pte_t mk_pte_io(unsigned long, pgprot_t, int, unsigned long); +pte_t mk_pte_io(unsigned long, pgprot_t, int, unsigned long); -extern unsigned long pte_sz_bits(unsigned long size); +unsigned long pte_sz_bits(unsigned long size); extern pgprot_t PAGE_KERNEL; extern pgprot_t PAGE_KERNEL_LOCKED; @@ -213,7 +226,6 @@ extern unsigned long _PAGE_CACHE; extern unsigned long pg_iobits; extern unsigned long _PAGE_ALL_SZ_BITS; -extern unsigned long _PAGE_SZBITS; extern struct page *mem_map_zero; #define ZERO_PAGE(vaddr) (mem_map_zero) @@ -226,25 +238,22 @@ extern struct page *mem_map_zero; static inline pte_t pfn_pte(unsigned long pfn, pgprot_t prot) { unsigned long paddr = pfn << PAGE_SHIFT; - unsigned long sz_bits; - - sz_bits = 0UL; - if (_PAGE_SZBITS_4U != 0UL || _PAGE_SZBITS_4V != 0UL) { - __asm__ __volatile__( - "\n661: sethi %%uhi(%1), %0\n" - " sllx %0, 32, %0\n" - " .section .sun4v_2insn_patch, \"ax\"\n" - " .word 661b\n" - " mov %2, %0\n" - " nop\n" - " .previous\n" - : "=r" (sz_bits) - : "i" (_PAGE_SZBITS_4U), "i" (_PAGE_SZBITS_4V)); - } - return __pte(paddr | sz_bits | pgprot_val(prot)); + + BUILD_BUG_ON(_PAGE_SZBITS_4U != 0UL || _PAGE_SZBITS_4V != 0UL); + return __pte(paddr | pgprot_val(prot)); } #define mk_pte(page, pgprot) pfn_pte(page_to_pfn(page), (pgprot)) +#ifdef CONFIG_TRANSPARENT_HUGEPAGE +static inline pmd_t pfn_pmd(unsigned long page_nr, pgprot_t pgprot) +{ + pte_t pte = pfn_pte(page_nr, pgprot); + + return __pmd(pte_val(pte)); +} +#define mk_pmd(page, pgprot) pfn_pmd(page_to_pfn(page), (pgprot)) +#endif + /* This one can be done with two shifts. */ static inline unsigned long pte_pfn(pte_t pte) { @@ -271,8 +280,8 @@ static inline pte_t pte_modify(pte_t pte, pgprot_t prot) { unsigned long mask, tmp; - /* SUN4U: 0x600307ffffffecb8 (negated == 0x9ffcf80000001347) - * SUN4V: 0x30ffffffffffee17 (negated == 0xcf000000000011e8) + /* SUN4U: 0x630107ffffffec38 (negated == 0x9cfef800000013c7) + * SUN4V: 0x33ffffffffffee07 (negated == 0xcc000000000011f8) * * Even if we use negation tricks the result is still a 6 * instruction sequence, so don't try to play fancy and just @@ -281,6 +290,7 @@ static inline pte_t pte_modify(pte_t pte, pgprot_t prot) * Note: We encode this into 3 sun4v 2-insn patch sequences. */ + BUILD_BUG_ON(_PAGE_SZBITS_4U != 0UL || _PAGE_SZBITS_4V != 0UL); __asm__ __volatile__( "\n661: sethi %%uhi(%2), %1\n" " sethi %%hi(%2), %0\n" @@ -301,15 +311,26 @@ static inline pte_t pte_modify(pte_t pte, pgprot_t prot) " .previous\n" : "=r" (mask), "=r" (tmp) : "i" (_PAGE_PADDR_4U | _PAGE_MODIFIED_4U | _PAGE_ACCESSED_4U | - _PAGE_CP_4U | _PAGE_CV_4U | _PAGE_E_4U | _PAGE_PRESENT_4U | - _PAGE_SZBITS_4U), + _PAGE_CP_4U | _PAGE_CV_4U | _PAGE_E_4U | + _PAGE_SPECIAL | _PAGE_PMD_HUGE | _PAGE_SZALL_4U), "i" (_PAGE_PADDR_4V | _PAGE_MODIFIED_4V | _PAGE_ACCESSED_4V | - _PAGE_CP_4V | _PAGE_CV_4V | _PAGE_E_4V | _PAGE_PRESENT_4V | - _PAGE_SZBITS_4V)); + _PAGE_CP_4V | _PAGE_CV_4V | _PAGE_E_4V | + _PAGE_SPECIAL | _PAGE_PMD_HUGE | _PAGE_SZALL_4V)); return __pte((pte_val(pte) & mask) | (pgprot_val(prot) & ~mask)); } +#ifdef CONFIG_TRANSPARENT_HUGEPAGE +static inline pmd_t pmd_modify(pmd_t pmd, pgprot_t newprot) +{ + pte_t pte = __pte(pmd_val(pmd)); + + pte = pte_modify(pte, newprot); + + return __pmd(pte_val(pte)); +} +#endif + static inline pte_t pgoff_to_pte(unsigned long off) { off <<= PAGE_SHIFT; @@ -350,7 +371,7 @@ static inline pgprot_t pgprot_noncached(pgprot_t prot) */ #define pgprot_noncached pgprot_noncached -#ifdef CONFIG_HUGETLB_PAGE +#if defined(CONFIG_HUGETLB_PAGE) || defined(CONFIG_TRANSPARENT_HUGEPAGE) static inline pte_t pte_mkhuge(pte_t pte) { unsigned long mask; @@ -368,6 +389,17 @@ static inline pte_t pte_mkhuge(pte_t pte) return __pte(pte_val(pte) | mask); } +#ifdef CONFIG_TRANSPARENT_HUGEPAGE +static inline pmd_t pmd_mkhuge(pmd_t pmd) +{ + pte_t pte = __pte(pmd_val(pmd)); + + pte = pte_mkhuge(pte); + pte_val(pte) |= _PAGE_PMD_HUGE; + + return __pmd(pte_val(pte)); +} +#endif #endif static inline pte_t pte_mkdirty(pte_t pte) @@ -502,6 +534,7 @@ static inline pte_t pte_mkyoung(pte_t pte) static inline pte_t pte_mkspecial(pte_t pte) { + pte_val(pte) |= _PAGE_SPECIAL; return pte; } @@ -607,29 +640,181 @@ static inline unsigned long pte_present(pte_t pte) return val; } -static inline int pte_special(pte_t pte) +#define pte_accessible pte_accessible +static inline unsigned long pte_accessible(struct mm_struct *mm, pte_t a) +{ + return pte_val(a) & _PAGE_VALID; +} + +static inline unsigned long pte_special(pte_t pte) +{ + return pte_val(pte) & _PAGE_SPECIAL; +} + +static inline unsigned long pmd_large(pmd_t pmd) +{ + pte_t pte = __pte(pmd_val(pmd)); + + return pte_val(pte) & _PAGE_PMD_HUGE; +} + +#ifdef CONFIG_TRANSPARENT_HUGEPAGE +static inline unsigned long pmd_young(pmd_t pmd) +{ + pte_t pte = __pte(pmd_val(pmd)); + + return pte_young(pte); +} + +static inline unsigned long pmd_write(pmd_t pmd) +{ + pte_t pte = __pte(pmd_val(pmd)); + + return pte_write(pte); +} + +static inline unsigned long pmd_pfn(pmd_t pmd) +{ + pte_t pte = __pte(pmd_val(pmd)); + + return pte_pfn(pte); +} + +static inline unsigned long pmd_trans_huge(pmd_t pmd) { - return 0; + pte_t pte = __pte(pmd_val(pmd)); + + return pte_val(pte) & _PAGE_PMD_HUGE; +} + +static inline unsigned long pmd_trans_splitting(pmd_t pmd) +{ + pte_t pte = __pte(pmd_val(pmd)); + + return pmd_trans_huge(pmd) && pte_special(pte); +} + +#define has_transparent_hugepage() 1 + +static inline pmd_t pmd_mkold(pmd_t pmd) +{ + pte_t pte = __pte(pmd_val(pmd)); + + pte = pte_mkold(pte); + + return __pmd(pte_val(pte)); +} + +static inline pmd_t pmd_wrprotect(pmd_t pmd) +{ + pte_t pte = __pte(pmd_val(pmd)); + + pte = pte_wrprotect(pte); + + return __pmd(pte_val(pte)); +} + +static inline pmd_t pmd_mkdirty(pmd_t pmd) +{ + pte_t pte = __pte(pmd_val(pmd)); + + pte = pte_mkdirty(pte); + + return __pmd(pte_val(pte)); +} + +static inline pmd_t pmd_mkyoung(pmd_t pmd) +{ + pte_t pte = __pte(pmd_val(pmd)); + + pte = pte_mkyoung(pte); + + return __pmd(pte_val(pte)); +} + +static inline pmd_t pmd_mkwrite(pmd_t pmd) +{ + pte_t pte = __pte(pmd_val(pmd)); + + pte = pte_mkwrite(pte); + + return __pmd(pte_val(pte)); +} + +static inline pmd_t pmd_mksplitting(pmd_t pmd) +{ + pte_t pte = __pte(pmd_val(pmd)); + + pte = pte_mkspecial(pte); + + return __pmd(pte_val(pte)); +} + +static inline pgprot_t pmd_pgprot(pmd_t entry) +{ + unsigned long val = pmd_val(entry); + + return __pgprot(val); +} +#endif + +static inline int pmd_present(pmd_t pmd) +{ + return pmd_val(pmd) != 0UL; +} + +#define pmd_none(pmd) (!pmd_val(pmd)) + +/* pmd_bad() is only called on non-trans-huge PMDs. Our encoding is + * very simple, it's just the physical address. PTE tables are of + * size PAGE_SIZE so make sure the sub-PAGE_SIZE bits are clear and + * the top bits outside of the range of any physical address size we + * support are clear as well. We also validate the physical itself. + */ +#define pmd_bad(pmd) ((pmd_val(pmd) & ~PAGE_MASK) || \ + !__kern_addr_valid(pmd_val(pmd))) + +#define pud_none(pud) (!pud_val(pud)) + +#define pud_bad(pud) ((pud_val(pud) & ~PAGE_MASK) || \ + !__kern_addr_valid(pud_val(pud))) + +#ifdef CONFIG_TRANSPARENT_HUGEPAGE +void set_pmd_at(struct mm_struct *mm, unsigned long addr, + pmd_t *pmdp, pmd_t pmd); +#else +static inline void set_pmd_at(struct mm_struct *mm, unsigned long addr, + pmd_t *pmdp, pmd_t pmd) +{ + *pmdp = pmd; +} +#endif + +static inline void pmd_set(struct mm_struct *mm, pmd_t *pmdp, pte_t *ptep) +{ + unsigned long val = __pa((unsigned long) (ptep)); + + pmd_val(*pmdp) = val; } -#define pmd_set(pmdp, ptep) \ - (pmd_val(*(pmdp)) = (__pa((unsigned long) (ptep)) >> 11UL)) #define pud_set(pudp, pmdp) \ - (pud_val(*(pudp)) = (__pa((unsigned long) (pmdp)) >> 11UL)) -#define __pmd_page(pmd) \ - ((unsigned long) __va((((unsigned long)pmd_val(pmd))<<11UL))) + (pud_val(*(pudp)) = (__pa((unsigned long) (pmdp)))) +static inline unsigned long __pmd_page(pmd_t pmd) +{ + pte_t pte = __pte(pmd_val(pmd)); + unsigned long pfn; + + pfn = pte_pfn(pte); + + return ((unsigned long) __va(pfn << PAGE_SHIFT)); +} #define pmd_page(pmd) virt_to_page((void *)__pmd_page(pmd)) #define pud_page_vaddr(pud) \ - ((unsigned long) __va((((unsigned long)pud_val(pud))<<11UL))) + ((unsigned long) __va(pud_val(pud))) #define pud_page(pud) virt_to_page((void *)pud_page_vaddr(pud)) -#define pmd_none(pmd) (!pmd_val(pmd)) -#define pmd_bad(pmd) (0) -#define pmd_present(pmd) (pmd_val(pmd) != 0U) -#define pmd_clear(pmdp) (pmd_val(*(pmdp)) = 0U) -#define pud_none(pud) (!pud_val(pud)) -#define pud_bad(pud) (0) +#define pmd_clear(pmdp) (pmd_val(*(pmdp)) = 0UL) #define pud_present(pud) (pud_val(pud) != 0U) -#define pud_clear(pudp) (pud_val(*(pudp)) = 0U) +#define pud_clear(pudp) (pud_val(*(pudp)) = 0UL) /* Same in both SUN4V and SUN4U. */ #define pte_none(pte) (!pte_val(pte)) @@ -652,14 +837,24 @@ static inline int pte_special(pte_t pte) ((address >> PAGE_SHIFT) & (PTRS_PER_PTE - 1))) #define pte_offset_kernel pte_index #define pte_offset_map pte_index -#define pte_offset_map_nested pte_index #define pte_unmap(pte) do { } while (0) -#define pte_unmap_nested(pte) do { } while (0) /* Actual page table PTE updates. */ -extern void tlb_batch_add(struct mm_struct *mm, unsigned long vaddr, pte_t *ptep, pte_t orig); +void tlb_batch_add(struct mm_struct *mm, unsigned long vaddr, + pte_t *ptep, pte_t orig, int fullmm); -static inline void set_pte_at(struct mm_struct *mm, unsigned long addr, pte_t *ptep, pte_t pte) +#define __HAVE_ARCH_PMDP_GET_AND_CLEAR +static inline pmd_t pmdp_get_and_clear(struct mm_struct *mm, + unsigned long addr, + pmd_t *pmdp) +{ + pmd_t pmd = *pmdp; + set_pmd_at(mm, addr, pmdp, __pmd(0UL)); + return pmd; +} + +static inline void __set_pte_at(struct mm_struct *mm, unsigned long addr, + pte_t *ptep, pte_t pte, int fullmm) { pte_t orig = *ptep; @@ -671,13 +866,20 @@ static inline void set_pte_at(struct mm_struct *mm, unsigned long addr, pte_t *p * SUN4V NOTE: _PAGE_VALID is the same value in both the SUN4U * and SUN4V pte layout, so this inline test is fine. */ - if (likely(mm != &init_mm) && (pte_val(orig) & _PAGE_VALID)) - tlb_batch_add(mm, addr, ptep, orig); + if (likely(mm != &init_mm) && pte_accessible(mm, orig)) + tlb_batch_add(mm, addr, ptep, orig, fullmm); } +#define set_pte_at(mm,addr,ptep,pte) \ + __set_pte_at((mm), (addr), (ptep), (pte), 0) + #define pte_clear(mm,addr,ptep) \ set_pte_at((mm), (addr), (ptep), __pte(0UL)) +#define __HAVE_ARCH_PTE_CLEAR_NOT_PRESENT_FULL +#define pte_clear_not_present_full(mm,addr,ptep,fullmm) \ + __set_pte_at((mm), (addr), (ptep), __pte(0UL), (fullmm)) + #ifdef DCACHE_ALIASING_POSSIBLE #define __HAVE_ARCH_MOVE_PTE #define move_pte(pte, prot, old_addr, new_addr) \ @@ -695,18 +897,32 @@ static inline void set_pte_at(struct mm_struct *mm, unsigned long addr, pte_t *p }) #endif -extern pgd_t swapper_pg_dir[2048]; -extern pmd_t swapper_low_pmd_dir[2048]; +extern pgd_t swapper_pg_dir[PTRS_PER_PGD]; +extern pmd_t swapper_low_pmd_dir[PTRS_PER_PMD]; -extern void paging_init(void); -extern unsigned long find_ecache_flush_span(unsigned long size); +void paging_init(void); +unsigned long find_ecache_flush_span(unsigned long size); -/* These do nothing with the way I have things setup. */ -#define mmu_lockarea(vaddr, len) (vaddr) -#define mmu_unlockarea(vaddr, len) do { } while(0) +struct seq_file; +void mmu_info(struct seq_file *); struct vm_area_struct; -extern void update_mmu_cache(struct vm_area_struct *, unsigned long, pte_t); +void update_mmu_cache(struct vm_area_struct *, unsigned long, pte_t *); +#ifdef CONFIG_TRANSPARENT_HUGEPAGE +void update_mmu_cache_pmd(struct vm_area_struct *vma, unsigned long addr, + pmd_t *pmd); + +#define __HAVE_ARCH_PMDP_INVALIDATE +extern void pmdp_invalidate(struct vm_area_struct *vma, unsigned long address, + pmd_t *pmdp); + +#define __HAVE_ARCH_PGTABLE_DEPOSIT +void pgtable_trans_huge_deposit(struct mm_struct *mm, pmd_t *pmdp, + pgtable_t pgtable); + +#define __HAVE_ARCH_PGTABLE_WITHDRAW +pgtable_t pgtable_trans_huge_withdraw(struct mm_struct *mm, pmd_t *pmdp); +#endif /* Encode and de-code a swap entry */ #define __swp_type(entry) (((entry).val >> PAGE_SHIFT) & 0xffUL) @@ -721,22 +937,12 @@ extern void update_mmu_cache(struct vm_area_struct *, unsigned long, pte_t); #define __swp_entry_to_pte(x) ((pte_t) { (x).val }) /* File offset in PTE support. */ -extern unsigned long pte_file(pte_t); +unsigned long pte_file(pte_t); #define pte_to_pgoff(pte) (pte_val(pte) >> PAGE_SHIFT) -extern pte_t pgoff_to_pte(unsigned long); +pte_t pgoff_to_pte(unsigned long); #define PTE_FILE_MAX_BITS (64UL - PAGE_SHIFT - 1UL) -extern unsigned long *sparc64_valid_addr_bitmap; - -/* Needs to be defined here and not in linux/mm.h, as it is arch dependent */ -#define kern_addr_valid(addr) \ - (test_bit(__pa((unsigned long)(addr))>>22, sparc64_valid_addr_bitmap)) - -extern int page_in_phys_avail(unsigned long paddr); - -extern int io_remap_pfn_range(struct vm_area_struct *vma, unsigned long from, - unsigned long pfn, - unsigned long size, pgprot_t prot); +int page_in_phys_avail(unsigned long paddr); /* * For sparc32&64, the pfn in io_remap_pfn_range() carries <iospace> in @@ -746,6 +952,24 @@ extern int io_remap_pfn_range(struct vm_area_struct *vma, unsigned long from, #define GET_IOSPACE(pfn) (pfn >> (BITS_PER_LONG - 4)) #define GET_PFN(pfn) (pfn & 0x0fffffffffffffffUL) +int remap_pfn_range(struct vm_area_struct *, unsigned long, unsigned long, + unsigned long, pgprot_t); + +static inline int io_remap_pfn_range(struct vm_area_struct *vma, + unsigned long from, unsigned long pfn, + unsigned long size, pgprot_t prot) +{ + unsigned long offset = GET_PFN(pfn) << PAGE_SHIFT; + int space = GET_IOSPACE(pfn); + unsigned long phys_base; + + phys_base = offset | (((unsigned long) space) << 32UL); + + return remap_pfn_range(vma, from, phys_base >> PAGE_SHIFT, size, prot); +} +#define io_remap_pfn_range io_remap_pfn_range + +#include <asm/tlbflush.h> #include <asm-generic/pgtable.h> /* We provide our own get_unmapped_area to cope with VA holes and @@ -757,19 +981,21 @@ extern int io_remap_pfn_range(struct vm_area_struct *vma, unsigned long from, /* We provide a special get_unmapped_area for framebuffer mmaps to try and use * the largest alignment possible such that larget PTEs can be used. */ -extern unsigned long get_fb_unmapped_area(struct file *filp, unsigned long, - unsigned long, unsigned long, - unsigned long); +unsigned long get_fb_unmapped_area(struct file *filp, unsigned long, + unsigned long, unsigned long, + unsigned long); #define HAVE_ARCH_FB_UNMAPPED_AREA -extern void pgtable_cache_init(void); -extern void sun4v_register_fault_status(void); -extern void sun4v_ktsb_register(void); -extern void __init cheetah_ecache_flush_init(void); -extern void sun4v_patch_tlb_handlers(void); +void pgtable_cache_init(void); +void sun4v_register_fault_status(void); +void sun4v_ktsb_register(void); +void __init cheetah_ecache_flush_init(void); +void sun4v_patch_tlb_handlers(void); extern unsigned long cmdline_memory_size; +asmlinkage void do_sparc64_fault(struct pt_regs *regs); + #endif /* !(__ASSEMBLY__) */ #endif /* !(_SPARC64_PGTABLE_H) */ diff --git a/arch/sparc/include/asm/pgtsrmmu.h b/arch/sparc/include/asm/pgtsrmmu.h index 808555fc1d5..79da17866fa 100644 --- a/arch/sparc/include/asm/pgtsrmmu.h +++ b/arch/sparc/include/asm/pgtsrmmu.h @@ -139,6 +139,7 @@ restore %g0, %g0, %g0; #ifndef __ASSEMBLY__ +extern unsigned long last_valid_pfn; /* This makes sense. Honest it does - Anton */ /* XXX Yes but it's ugly as sin. FIXME. -KMW */ @@ -148,78 +149,13 @@ extern void *srmmu_nocache_pool; #define __nocache_fix(VADDR) __va(__nocache_pa(VADDR)) /* Accessing the MMU control register. */ -static inline unsigned int srmmu_get_mmureg(void) -{ - unsigned int retval; - __asm__ __volatile__("lda [%%g0] %1, %0\n\t" : - "=r" (retval) : - "i" (ASI_M_MMUREGS)); - return retval; -} - -static inline void srmmu_set_mmureg(unsigned long regval) -{ - __asm__ __volatile__("sta %0, [%%g0] %1\n\t" : : - "r" (regval), "i" (ASI_M_MMUREGS) : "memory"); - -} - -static inline void srmmu_set_ctable_ptr(unsigned long paddr) -{ - paddr = ((paddr >> 4) & SRMMU_CTX_PMASK); - __asm__ __volatile__("sta %0, [%1] %2\n\t" : : - "r" (paddr), "r" (SRMMU_CTXTBL_PTR), - "i" (ASI_M_MMUREGS) : - "memory"); -} - -static inline unsigned long srmmu_get_ctable_ptr(void) -{ - unsigned int retval; - - __asm__ __volatile__("lda [%1] %2, %0\n\t" : - "=r" (retval) : - "r" (SRMMU_CTXTBL_PTR), - "i" (ASI_M_MMUREGS)); - return (retval & SRMMU_CTX_PMASK) << 4; -} - -static inline void srmmu_set_context(int context) -{ - __asm__ __volatile__("sta %0, [%1] %2\n\t" : : - "r" (context), "r" (SRMMU_CTX_REG), - "i" (ASI_M_MMUREGS) : "memory"); -} - -static inline int srmmu_get_context(void) -{ - register int retval; - __asm__ __volatile__("lda [%1] %2, %0\n\t" : - "=r" (retval) : - "r" (SRMMU_CTX_REG), - "i" (ASI_M_MMUREGS)); - return retval; -} - -static inline unsigned int srmmu_get_fstatus(void) -{ - unsigned int retval; - - __asm__ __volatile__("lda [%1] %2, %0\n\t" : - "=r" (retval) : - "r" (SRMMU_FAULT_STATUS), "i" (ASI_M_MMUREGS)); - return retval; -} - -static inline unsigned int srmmu_get_faddr(void) -{ - unsigned int retval; - - __asm__ __volatile__("lda [%1] %2, %0\n\t" : - "=r" (retval) : - "r" (SRMMU_FAULT_ADDR), "i" (ASI_M_MMUREGS)); - return retval; -} +unsigned int srmmu_get_mmureg(void); +void srmmu_set_mmureg(unsigned long regval); +void srmmu_set_ctable_ptr(unsigned long paddr); +void srmmu_set_context(int context); +int srmmu_get_context(void); +unsigned int srmmu_get_fstatus(void); +unsigned int srmmu_get_faddr(void); /* This is guaranteed on all SRMMU's. */ static inline void srmmu_flush_whole_tlb(void) @@ -230,55 +166,6 @@ static inline void srmmu_flush_whole_tlb(void) } -/* These flush types are not available on all chips... */ -static inline void srmmu_flush_tlb_ctx(void) -{ - __asm__ __volatile__("sta %%g0, [%0] %1\n\t": : - "r" (0x300), /* Flush TLB ctx.. */ - "i" (ASI_M_FLUSH_PROBE) : "memory"); - -} - -static inline void srmmu_flush_tlb_region(unsigned long addr) -{ - addr &= SRMMU_PGDIR_MASK; - __asm__ __volatile__("sta %%g0, [%0] %1\n\t": : - "r" (addr | 0x200), /* Flush TLB region.. */ - "i" (ASI_M_FLUSH_PROBE) : "memory"); - -} - - -static inline void srmmu_flush_tlb_segment(unsigned long addr) -{ - addr &= SRMMU_REAL_PMD_MASK; - __asm__ __volatile__("sta %%g0, [%0] %1\n\t": : - "r" (addr | 0x100), /* Flush TLB segment.. */ - "i" (ASI_M_FLUSH_PROBE) : "memory"); - -} - -static inline void srmmu_flush_tlb_page(unsigned long page) -{ - page &= PAGE_MASK; - __asm__ __volatile__("sta %%g0, [%0] %1\n\t": : - "r" (page), /* Flush TLB page.. */ - "i" (ASI_M_FLUSH_PROBE) : "memory"); - -} - -static inline unsigned long srmmu_hwprobe(unsigned long vaddr) -{ - unsigned long retval; - - vaddr &= PAGE_MASK; - __asm__ __volatile__("lda [%1] %2, %0\n\t" : - "=r" (retval) : - "r" (vaddr | 0x400), "i" (ASI_M_FLUSH_PROBE)); - - return retval; -} - static inline int srmmu_get_pte (unsigned long addr) { @@ -290,9 +177,6 @@ srmmu_get_pte (unsigned long addr) return entry; } -extern unsigned long (*srmmu_read_physical)(unsigned long paddr); -extern void (*srmmu_write_physical)(unsigned long paddr, unsigned long word); - #endif /* !(__ASSEMBLY__) */ #endif /* !(_SPARC_PGTSRMMU_H) */ diff --git a/arch/sparc/include/asm/pgtsun4.h b/arch/sparc/include/asm/pgtsun4.h deleted file mode 100644 index 5a0d661fb82..00000000000 --- a/arch/sparc/include/asm/pgtsun4.h +++ /dev/null @@ -1,171 +0,0 @@ -/* - * pgtsun4.h: Sun4 specific pgtable.h defines and code. - * - * Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu) - * Copyright (C) 1998 Jakub Jelinek (jj@sunsite.mff.cuni.cz) - */ -#ifndef _SPARC_PGTSUN4C_H -#define _SPARC_PGTSUN4C_H - -#include <asm/contregs.h> - -/* PMD_SHIFT determines the size of the area a second-level page table can map */ -#define SUN4C_PMD_SHIFT 23 - -/* PGDIR_SHIFT determines what a third-level page table entry can map */ -#define SUN4C_PGDIR_SHIFT 23 -#define SUN4C_PGDIR_SIZE (1UL << SUN4C_PGDIR_SHIFT) -#define SUN4C_PGDIR_MASK (~(SUN4C_PGDIR_SIZE-1)) -#define SUN4C_PGDIR_ALIGN(addr) (((addr)+SUN4C_PGDIR_SIZE-1)&SUN4C_PGDIR_MASK) - -/* To represent how the sun4c mmu really lays things out. */ -#define SUN4C_REAL_PGDIR_SHIFT 18 -#define SUN4C_REAL_PGDIR_SIZE (1UL << SUN4C_REAL_PGDIR_SHIFT) -#define SUN4C_REAL_PGDIR_MASK (~(SUN4C_REAL_PGDIR_SIZE-1)) -#define SUN4C_REAL_PGDIR_ALIGN(addr) (((addr)+SUN4C_REAL_PGDIR_SIZE-1)&SUN4C_REAL_PGDIR_MASK) - -/* 19 bit PFN on sun4 */ -#define SUN4C_PFN_MASK 0x7ffff - -/* Don't increase these unless the structures in sun4c.c are fixed */ -#define SUN4C_MAX_SEGMAPS 256 -#define SUN4C_MAX_CONTEXTS 16 - -/* - * To be efficient, and not have to worry about allocating such - * a huge pgd, we make the kernel sun4c tables each hold 1024 - * entries and the pgd similarly just like the i386 tables. - */ -#define SUN4C_PTRS_PER_PTE 1024 -#define SUN4C_PTRS_PER_PMD 1 -#define SUN4C_PTRS_PER_PGD 1024 - -/* - * Sparc SUN4C pte fields. - */ -#define _SUN4C_PAGE_VALID 0x80000000 -#define _SUN4C_PAGE_SILENT_READ 0x80000000 /* synonym */ -#define _SUN4C_PAGE_DIRTY 0x40000000 -#define _SUN4C_PAGE_SILENT_WRITE 0x40000000 /* synonym */ -#define _SUN4C_PAGE_PRIV 0x20000000 /* privileged page */ -#define _SUN4C_PAGE_NOCACHE 0x10000000 /* non-cacheable page */ -#define _SUN4C_PAGE_PRESENT 0x08000000 /* implemented in software */ -#define _SUN4C_PAGE_IO 0x04000000 /* I/O page */ -#define _SUN4C_PAGE_FILE 0x02000000 /* implemented in software */ -#define _SUN4C_PAGE_READ 0x00800000 /* implemented in software */ -#define _SUN4C_PAGE_WRITE 0x00400000 /* implemented in software */ -#define _SUN4C_PAGE_ACCESSED 0x00200000 /* implemented in software */ -#define _SUN4C_PAGE_MODIFIED 0x00100000 /* implemented in software */ - -#define _SUN4C_READABLE (_SUN4C_PAGE_READ|_SUN4C_PAGE_SILENT_READ|\ - _SUN4C_PAGE_ACCESSED) -#define _SUN4C_WRITEABLE (_SUN4C_PAGE_WRITE|_SUN4C_PAGE_SILENT_WRITE|\ - _SUN4C_PAGE_MODIFIED) - -#define _SUN4C_PAGE_CHG_MASK (0xffff|_SUN4C_PAGE_ACCESSED|_SUN4C_PAGE_MODIFIED) - -#define SUN4C_PAGE_NONE __pgprot(_SUN4C_PAGE_PRESENT) -#define SUN4C_PAGE_SHARED __pgprot(_SUN4C_PAGE_PRESENT|_SUN4C_READABLE|\ - _SUN4C_PAGE_WRITE) -#define SUN4C_PAGE_COPY __pgprot(_SUN4C_PAGE_PRESENT|_SUN4C_READABLE) -#define SUN4C_PAGE_READONLY __pgprot(_SUN4C_PAGE_PRESENT|_SUN4C_READABLE) -#define SUN4C_PAGE_KERNEL __pgprot(_SUN4C_READABLE|_SUN4C_WRITEABLE|\ - _SUN4C_PAGE_DIRTY|_SUN4C_PAGE_PRIV) - -/* SUN4C swap entry encoding - * - * We use 5 bits for the type and 19 for the offset. This gives us - * 32 swapfiles of 4GB each. Encoding looks like: - * - * RRRRRRRRooooooooooooooooooottttt - * fedcba9876543210fedcba9876543210 - * - * The top 8 bits are reserved for protection and status bits, especially - * FILE and PRESENT. - */ -#define SUN4C_SWP_TYPE_MASK 0x1f -#define SUN4C_SWP_OFF_MASK 0x7ffff -#define SUN4C_SWP_OFF_SHIFT 5 - -#ifndef __ASSEMBLY__ - -static inline unsigned long sun4c_get_synchronous_error(void) -{ - unsigned long sync_err; - - __asm__ __volatile__("lda [%1] %2, %0\n\t" : - "=r" (sync_err) : - "r" (AC_SYNC_ERR), "i" (ASI_CONTROL)); - return sync_err; -} - -static inline unsigned long sun4c_get_synchronous_address(void) -{ - unsigned long sync_addr; - - __asm__ __volatile__("lda [%1] %2, %0\n\t" : - "=r" (sync_addr) : - "r" (AC_SYNC_VA), "i" (ASI_CONTROL)); - return sync_addr; -} - -/* SUN4 pte, segmap, and context manipulation */ -static inline unsigned long sun4c_get_segmap(unsigned long addr) -{ - register unsigned long entry; - - __asm__ __volatile__("\n\tlduha [%1] %2, %0\n\t" : - "=r" (entry) : - "r" (addr), "i" (ASI_SEGMAP)); - return entry; -} - -static inline void sun4c_put_segmap(unsigned long addr, unsigned long entry) -{ - __asm__ __volatile__("\n\tstha %1, [%0] %2; nop; nop; nop;\n\t" : : - "r" (addr), "r" (entry), - "i" (ASI_SEGMAP) - : "memory"); -} - -static inline unsigned long sun4c_get_pte(unsigned long addr) -{ - register unsigned long entry; - - __asm__ __volatile__("\n\tlda [%1] %2, %0\n\t" : - "=r" (entry) : - "r" (addr), "i" (ASI_PTE)); - return entry; -} - -static inline void sun4c_put_pte(unsigned long addr, unsigned long entry) -{ - __asm__ __volatile__("\n\tsta %1, [%0] %2; nop; nop; nop;\n\t" : : - "r" (addr), - "r" ((entry & ~(_SUN4C_PAGE_PRESENT))), "i" (ASI_PTE) - : "memory"); -} - -static inline int sun4c_get_context(void) -{ - register int ctx; - - __asm__ __volatile__("\n\tlduba [%1] %2, %0\n\t" : - "=r" (ctx) : - "r" (AC_CONTEXT), "i" (ASI_CONTROL)); - - return ctx; -} - -static inline int sun4c_set_context(int ctx) -{ - __asm__ __volatile__("\n\tstba %0, [%1] %2; nop; nop; nop;\n\t" : : - "r" (ctx), "r" (AC_CONTEXT), "i" (ASI_CONTROL) - : "memory"); - - return ctx; -} - -#endif /* !(__ASSEMBLY__) */ - -#endif /* !(_SPARC_PGTSUN4_H) */ diff --git a/arch/sparc/include/asm/pgtsun4c.h b/arch/sparc/include/asm/pgtsun4c.h deleted file mode 100644 index aeb25e91217..00000000000 --- a/arch/sparc/include/asm/pgtsun4c.h +++ /dev/null @@ -1,172 +0,0 @@ -/* - * pgtsun4c.h: Sun4c specific pgtable.h defines and code. - * - * Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu) - */ -#ifndef _SPARC_PGTSUN4C_H -#define _SPARC_PGTSUN4C_H - -#include <asm/contregs.h> - -/* PMD_SHIFT determines the size of the area a second-level page table can map */ -#define SUN4C_PMD_SHIFT 22 - -/* PGDIR_SHIFT determines what a third-level page table entry can map */ -#define SUN4C_PGDIR_SHIFT 22 -#define SUN4C_PGDIR_SIZE (1UL << SUN4C_PGDIR_SHIFT) -#define SUN4C_PGDIR_MASK (~(SUN4C_PGDIR_SIZE-1)) -#define SUN4C_PGDIR_ALIGN(addr) (((addr)+SUN4C_PGDIR_SIZE-1)&SUN4C_PGDIR_MASK) - -/* To represent how the sun4c mmu really lays things out. */ -#define SUN4C_REAL_PGDIR_SHIFT 18 -#define SUN4C_REAL_PGDIR_SIZE (1UL << SUN4C_REAL_PGDIR_SHIFT) -#define SUN4C_REAL_PGDIR_MASK (~(SUN4C_REAL_PGDIR_SIZE-1)) -#define SUN4C_REAL_PGDIR_ALIGN(addr) (((addr)+SUN4C_REAL_PGDIR_SIZE-1)&SUN4C_REAL_PGDIR_MASK) - -/* 16 bit PFN on sun4c */ -#define SUN4C_PFN_MASK 0xffff - -/* Don't increase these unless the structures in sun4c.c are fixed */ -#define SUN4C_MAX_SEGMAPS 256 -#define SUN4C_MAX_CONTEXTS 16 - -/* - * To be efficient, and not have to worry about allocating such - * a huge pgd, we make the kernel sun4c tables each hold 1024 - * entries and the pgd similarly just like the i386 tables. - */ -#define SUN4C_PTRS_PER_PTE 1024 -#define SUN4C_PTRS_PER_PMD 1 -#define SUN4C_PTRS_PER_PGD 1024 - -/* - * Sparc SUN4C pte fields. - */ -#define _SUN4C_PAGE_VALID 0x80000000 -#define _SUN4C_PAGE_SILENT_READ 0x80000000 /* synonym */ -#define _SUN4C_PAGE_DIRTY 0x40000000 -#define _SUN4C_PAGE_SILENT_WRITE 0x40000000 /* synonym */ -#define _SUN4C_PAGE_PRIV 0x20000000 /* privileged page */ -#define _SUN4C_PAGE_NOCACHE 0x10000000 /* non-cacheable page */ -#define _SUN4C_PAGE_PRESENT 0x08000000 /* implemented in software */ -#define _SUN4C_PAGE_IO 0x04000000 /* I/O page */ -#define _SUN4C_PAGE_FILE 0x02000000 /* implemented in software */ -#define _SUN4C_PAGE_READ 0x00800000 /* implemented in software */ -#define _SUN4C_PAGE_WRITE 0x00400000 /* implemented in software */ -#define _SUN4C_PAGE_ACCESSED 0x00200000 /* implemented in software */ -#define _SUN4C_PAGE_MODIFIED 0x00100000 /* implemented in software */ - -#define _SUN4C_READABLE (_SUN4C_PAGE_READ|_SUN4C_PAGE_SILENT_READ|\ - _SUN4C_PAGE_ACCESSED) -#define _SUN4C_WRITEABLE (_SUN4C_PAGE_WRITE|_SUN4C_PAGE_SILENT_WRITE|\ - _SUN4C_PAGE_MODIFIED) - -#define _SUN4C_PAGE_CHG_MASK (0xffff|_SUN4C_PAGE_ACCESSED|_SUN4C_PAGE_MODIFIED) - -#define SUN4C_PAGE_NONE __pgprot(_SUN4C_PAGE_PRESENT) -#define SUN4C_PAGE_SHARED __pgprot(_SUN4C_PAGE_PRESENT|_SUN4C_READABLE|\ - _SUN4C_PAGE_WRITE) -#define SUN4C_PAGE_COPY __pgprot(_SUN4C_PAGE_PRESENT|_SUN4C_READABLE) -#define SUN4C_PAGE_READONLY __pgprot(_SUN4C_PAGE_PRESENT|_SUN4C_READABLE) -#define SUN4C_PAGE_KERNEL __pgprot(_SUN4C_READABLE|_SUN4C_WRITEABLE|\ - _SUN4C_PAGE_DIRTY|_SUN4C_PAGE_PRIV) - -/* SUN4C swap entry encoding - * - * We use 5 bits for the type and 19 for the offset. This gives us - * 32 swapfiles of 4GB each. Encoding looks like: - * - * RRRRRRRRooooooooooooooooooottttt - * fedcba9876543210fedcba9876543210 - * - * The top 8 bits are reserved for protection and status bits, especially - * FILE and PRESENT. - */ -#define SUN4C_SWP_TYPE_MASK 0x1f -#define SUN4C_SWP_OFF_MASK 0x7ffff -#define SUN4C_SWP_OFF_SHIFT 5 - -#ifndef __ASSEMBLY__ - -static inline unsigned long sun4c_get_synchronous_error(void) -{ - unsigned long sync_err; - - __asm__ __volatile__("lda [%1] %2, %0\n\t" : - "=r" (sync_err) : - "r" (AC_SYNC_ERR), "i" (ASI_CONTROL)); - return sync_err; -} - -static inline unsigned long sun4c_get_synchronous_address(void) -{ - unsigned long sync_addr; - - __asm__ __volatile__("lda [%1] %2, %0\n\t" : - "=r" (sync_addr) : - "r" (AC_SYNC_VA), "i" (ASI_CONTROL)); - return sync_addr; -} - -/* SUN4C pte, segmap, and context manipulation */ -static inline unsigned long sun4c_get_segmap(unsigned long addr) -{ - register unsigned long entry; - - __asm__ __volatile__("\n\tlduba [%1] %2, %0\n\t" : - "=r" (entry) : - "r" (addr), "i" (ASI_SEGMAP)); - - return entry; -} - -static inline void sun4c_put_segmap(unsigned long addr, unsigned long entry) -{ - - __asm__ __volatile__("\n\tstba %1, [%0] %2; nop; nop; nop;\n\t" : : - "r" (addr), "r" (entry), - "i" (ASI_SEGMAP) - : "memory"); -} - -static inline unsigned long sun4c_get_pte(unsigned long addr) -{ - register unsigned long entry; - - __asm__ __volatile__("\n\tlda [%1] %2, %0\n\t" : - "=r" (entry) : - "r" (addr), "i" (ASI_PTE)); - return entry; -} - -static inline void sun4c_put_pte(unsigned long addr, unsigned long entry) -{ - __asm__ __volatile__("\n\tsta %1, [%0] %2; nop; nop; nop;\n\t" : : - "r" (addr), - "r" ((entry & ~(_SUN4C_PAGE_PRESENT))), "i" (ASI_PTE) - : "memory"); -} - -static inline int sun4c_get_context(void) -{ - register int ctx; - - __asm__ __volatile__("\n\tlduba [%1] %2, %0\n\t" : - "=r" (ctx) : - "r" (AC_CONTEXT), "i" (ASI_CONTROL)); - - return ctx; -} - -static inline int sun4c_set_context(int ctx) -{ - __asm__ __volatile__("\n\tstba %0, [%1] %2; nop; nop; nop;\n\t" : : - "r" (ctx), "r" (AC_CONTEXT), "i" (ASI_CONTROL) - : "memory"); - - return ctx; -} - -#endif /* !(__ASSEMBLY__) */ - -#endif /* !(_SPARC_PGTSUN4C_H) */ diff --git a/arch/sparc/include/asm/pil.h b/arch/sparc/include/asm/pil.h index 71819bb943f..26693703054 100644 --- a/arch/sparc/include/asm/pil.h +++ b/arch/sparc/include/asm/pil.h @@ -10,7 +10,12 @@ * * In fact any XCALL which has to etrap/rtrap has a problem because * it is difficult to prevent rtrap from running BH's, and that would - * need to be done if the XCALL arrived while %pil==15. + * need to be done if the XCALL arrived while %pil==PIL_NORMAL_MAX. + * + * Finally, in order to handle profiling events even when a + * local_irq_disable() is in progress, we only disable up to level 14 + * interrupts. Profile counter overflow interrupts arrive at level + * 15. */ #define PIL_SMP_CALL_FUNC 1 #define PIL_SMP_RECEIVE_SIGNAL 2 @@ -18,5 +23,9 @@ #define PIL_SMP_CTX_NEW_VERSION 4 #define PIL_DEVICE_IRQ 5 #define PIL_SMP_CALL_FUNC_SNGL 6 +#define PIL_DEFERRED_PCR_WORK 7 +#define PIL_KGDB_CAPTURE 8 +#define PIL_NORMAL_MAX 14 +#define PIL_NMI 15 #endif /* !(_SPARC64_PIL_H) */ diff --git a/arch/sparc/include/asm/poll.h b/arch/sparc/include/asm/poll.h deleted file mode 100644 index 091d3ad2e83..00000000000 --- a/arch/sparc/include/asm/poll.h +++ /dev/null @@ -1,12 +0,0 @@ -#ifndef __SPARC_POLL_H -#define __SPARC_POLL_H - -#define POLLWRNORM POLLOUT -#define POLLWRBAND 256 -#define POLLMSG 512 -#define POLLREMOVE 1024 -#define POLLRDHUP 2048 - -#include <asm-generic/poll.h> - -#endif diff --git a/arch/sparc/include/asm/posix_types.h b/arch/sparc/include/asm/posix_types.h deleted file mode 100644 index 03a0e091a88..00000000000 --- a/arch/sparc/include/asm/posix_types.h +++ /dev/null @@ -1,8 +0,0 @@ -#ifndef ___ASM_SPARC_POSIX_TYPES_H -#define ___ASM_SPARC_POSIX_TYPES_H -#if defined(__sparc__) && defined(__arch64__) -#include <asm/posix_types_64.h> -#else -#include <asm/posix_types_32.h> -#endif -#endif diff --git a/arch/sparc/include/asm/posix_types_32.h b/arch/sparc/include/asm/posix_types_32.h deleted file mode 100644 index 6bb6eb1ca0f..00000000000 --- a/arch/sparc/include/asm/posix_types_32.h +++ /dev/null @@ -1,118 +0,0 @@ -#ifndef __ARCH_SPARC_POSIX_TYPES_H -#define __ARCH_SPARC_POSIX_TYPES_H - -/* - * This file is generally used by user-level software, so you need to - * be a little careful about namespace pollution etc. Also, we cannot - * assume GCC is being used. - */ - -typedef unsigned int __kernel_size_t; -typedef int __kernel_ssize_t; -typedef long int __kernel_ptrdiff_t; -typedef long __kernel_time_t; -typedef long __kernel_suseconds_t; -typedef long __kernel_clock_t; -typedef int __kernel_pid_t; -typedef unsigned short __kernel_ipc_pid_t; -typedef unsigned short __kernel_uid_t; -typedef unsigned short __kernel_gid_t; -typedef unsigned long __kernel_ino_t; -typedef unsigned short __kernel_mode_t; -typedef unsigned short __kernel_umode_t; -typedef short __kernel_nlink_t; -typedef long __kernel_daddr_t; -typedef long __kernel_off_t; -typedef char * __kernel_caddr_t; -typedef unsigned short __kernel_uid16_t; -typedef unsigned short __kernel_gid16_t; -typedef unsigned int __kernel_uid32_t; -typedef unsigned int __kernel_gid32_t; -typedef unsigned short __kernel_old_uid_t; -typedef unsigned short __kernel_old_gid_t; -typedef unsigned short __kernel_old_dev_t; -typedef int __kernel_clockid_t; -typedef int __kernel_timer_t; - -#ifdef __GNUC__ -typedef long long __kernel_loff_t; -#endif - -typedef struct { - int val[2]; -} __kernel_fsid_t; - -#if defined(__KERNEL__) - -#undef __FD_SET -static inline void __FD_SET(unsigned long fd, __kernel_fd_set *fdsetp) -{ - unsigned long _tmp = fd / __NFDBITS; - unsigned long _rem = fd % __NFDBITS; - fdsetp->fds_bits[_tmp] |= (1UL<<_rem); -} - -#undef __FD_CLR -static inline void __FD_CLR(unsigned long fd, __kernel_fd_set *fdsetp) -{ - unsigned long _tmp = fd / __NFDBITS; - unsigned long _rem = fd % __NFDBITS; - fdsetp->fds_bits[_tmp] &= ~(1UL<<_rem); -} - -#undef __FD_ISSET -static inline int __FD_ISSET(unsigned long fd, __const__ __kernel_fd_set *p) -{ - unsigned long _tmp = fd / __NFDBITS; - unsigned long _rem = fd % __NFDBITS; - return (p->fds_bits[_tmp] & (1UL<<_rem)) != 0; -} - -/* - * This will unroll the loop for the normal constant cases (8 or 32 longs, - * for 256 and 1024-bit fd_sets respectively) - */ -#undef __FD_ZERO -static inline void __FD_ZERO(__kernel_fd_set *p) -{ - unsigned long *tmp = p->fds_bits; - int i; - - if (__builtin_constant_p(__FDSET_LONGS)) { - switch (__FDSET_LONGS) { - case 32: - tmp[ 0] = 0; tmp[ 1] = 0; tmp[ 2] = 0; tmp[ 3] = 0; - tmp[ 4] = 0; tmp[ 5] = 0; tmp[ 6] = 0; tmp[ 7] = 0; - tmp[ 8] = 0; tmp[ 9] = 0; tmp[10] = 0; tmp[11] = 0; - tmp[12] = 0; tmp[13] = 0; tmp[14] = 0; tmp[15] = 0; - tmp[16] = 0; tmp[17] = 0; tmp[18] = 0; tmp[19] = 0; - tmp[20] = 0; tmp[21] = 0; tmp[22] = 0; tmp[23] = 0; - tmp[24] = 0; tmp[25] = 0; tmp[26] = 0; tmp[27] = 0; - tmp[28] = 0; tmp[29] = 0; tmp[30] = 0; tmp[31] = 0; - return; - case 16: - tmp[ 0] = 0; tmp[ 1] = 0; tmp[ 2] = 0; tmp[ 3] = 0; - tmp[ 4] = 0; tmp[ 5] = 0; tmp[ 6] = 0; tmp[ 7] = 0; - tmp[ 8] = 0; tmp[ 9] = 0; tmp[10] = 0; tmp[11] = 0; - tmp[12] = 0; tmp[13] = 0; tmp[14] = 0; tmp[15] = 0; - return; - case 8: - tmp[ 0] = 0; tmp[ 1] = 0; tmp[ 2] = 0; tmp[ 3] = 0; - tmp[ 4] = 0; tmp[ 5] = 0; tmp[ 6] = 0; tmp[ 7] = 0; - return; - case 4: - tmp[ 0] = 0; tmp[ 1] = 0; tmp[ 2] = 0; tmp[ 3] = 0; - return; - } - } - i = __FDSET_LONGS; - while (i) { - i--; - *tmp = 0; - tmp++; - } -} - -#endif /* defined(__KERNEL__) */ - -#endif /* !(__ARCH_SPARC_POSIX_TYPES_H) */ diff --git a/arch/sparc/include/asm/posix_types_64.h b/arch/sparc/include/asm/posix_types_64.h deleted file mode 100644 index ba8f9329576..00000000000 --- a/arch/sparc/include/asm/posix_types_64.h +++ /dev/null @@ -1,122 +0,0 @@ -#ifndef __ARCH_SPARC64_POSIX_TYPES_H -#define __ARCH_SPARC64_POSIX_TYPES_H - -/* - * This file is generally used by user-level software, so you need to - * be a little careful about namespace pollution etc. Also, we cannot - * assume GCC is being used. - */ - -typedef unsigned long __kernel_size_t; -typedef long __kernel_ssize_t; -typedef long __kernel_ptrdiff_t; -typedef long __kernel_time_t; -typedef long __kernel_clock_t; -typedef int __kernel_pid_t; -typedef int __kernel_ipc_pid_t; -typedef unsigned int __kernel_uid_t; -typedef unsigned int __kernel_gid_t; -typedef unsigned long __kernel_ino_t; -typedef unsigned int __kernel_mode_t; -typedef unsigned short __kernel_umode_t; -typedef unsigned int __kernel_nlink_t; -typedef int __kernel_daddr_t; -typedef long __kernel_off_t; -typedef char * __kernel_caddr_t; -typedef unsigned short __kernel_uid16_t; -typedef unsigned short __kernel_gid16_t; -typedef int __kernel_clockid_t; -typedef int __kernel_timer_t; - -typedef unsigned short __kernel_old_uid_t; -typedef unsigned short __kernel_old_gid_t; -typedef __kernel_uid_t __kernel_uid32_t; -typedef __kernel_gid_t __kernel_gid32_t; - -typedef unsigned int __kernel_old_dev_t; - -/* Note this piece of asymmetry from the v9 ABI. */ -typedef int __kernel_suseconds_t; - -#ifdef __GNUC__ -typedef long long __kernel_loff_t; -#endif - -typedef struct { - int val[2]; -} __kernel_fsid_t; - -#if defined(__KERNEL__) - -#undef __FD_SET -static inline void __FD_SET(unsigned long fd, __kernel_fd_set *fdsetp) -{ - unsigned long _tmp = fd / __NFDBITS; - unsigned long _rem = fd % __NFDBITS; - fdsetp->fds_bits[_tmp] |= (1UL<<_rem); -} - -#undef __FD_CLR -static inline void __FD_CLR(unsigned long fd, __kernel_fd_set *fdsetp) -{ - unsigned long _tmp = fd / __NFDBITS; - unsigned long _rem = fd % __NFDBITS; - fdsetp->fds_bits[_tmp] &= ~(1UL<<_rem); -} - -#undef __FD_ISSET -static inline int __FD_ISSET(unsigned long fd, __const__ __kernel_fd_set *p) -{ - unsigned long _tmp = fd / __NFDBITS; - unsigned long _rem = fd % __NFDBITS; - return (p->fds_bits[_tmp] & (1UL<<_rem)) != 0; -} - -/* - * This will unroll the loop for the normal constant cases (8 or 32 longs, - * for 256 and 1024-bit fd_sets respectively) - */ -#undef __FD_ZERO -static inline void __FD_ZERO(__kernel_fd_set *p) -{ - unsigned long *tmp = p->fds_bits; - int i; - - if (__builtin_constant_p(__FDSET_LONGS)) { - switch (__FDSET_LONGS) { - case 32: - tmp[ 0] = 0; tmp[ 1] = 0; tmp[ 2] = 0; tmp[ 3] = 0; - tmp[ 4] = 0; tmp[ 5] = 0; tmp[ 6] = 0; tmp[ 7] = 0; - tmp[ 8] = 0; tmp[ 9] = 0; tmp[10] = 0; tmp[11] = 0; - tmp[12] = 0; tmp[13] = 0; tmp[14] = 0; tmp[15] = 0; - tmp[16] = 0; tmp[17] = 0; tmp[18] = 0; tmp[19] = 0; - tmp[20] = 0; tmp[21] = 0; tmp[22] = 0; tmp[23] = 0; - tmp[24] = 0; tmp[25] = 0; tmp[26] = 0; tmp[27] = 0; - tmp[28] = 0; tmp[29] = 0; tmp[30] = 0; tmp[31] = 0; - return; - case 16: - tmp[ 0] = 0; tmp[ 1] = 0; tmp[ 2] = 0; tmp[ 3] = 0; - tmp[ 4] = 0; tmp[ 5] = 0; tmp[ 6] = 0; tmp[ 7] = 0; - tmp[ 8] = 0; tmp[ 9] = 0; tmp[10] = 0; tmp[11] = 0; - tmp[12] = 0; tmp[13] = 0; tmp[14] = 0; tmp[15] = 0; - return; - case 8: - tmp[ 0] = 0; tmp[ 1] = 0; tmp[ 2] = 0; tmp[ 3] = 0; - tmp[ 4] = 0; tmp[ 5] = 0; tmp[ 6] = 0; tmp[ 7] = 0; - return; - case 4: - tmp[ 0] = 0; tmp[ 1] = 0; tmp[ 2] = 0; tmp[ 3] = 0; - return; - } - } - i = __FDSET_LONGS; - while (i) { - i--; - *tmp = 0; - tmp++; - } -} - -#endif /* defined(__KERNEL__) */ - -#endif /* !(__ARCH_SPARC64_POSIX_TYPES_H) */ diff --git a/arch/sparc/include/asm/processor.h b/arch/sparc/include/asm/processor.h index 9da9646bf6c..2fe99e66e76 100644 --- a/arch/sparc/include/asm/processor.h +++ b/arch/sparc/include/asm/processor.h @@ -5,4 +5,7 @@ #else #include <asm/processor_32.h> #endif + +#define nop() __asm__ __volatile__ ("nop") + #endif diff --git a/arch/sparc/include/asm/processor_32.h b/arch/sparc/include/asm/processor_32.h index 2ae67a2e7f3..a564817bbc2 100644 --- a/arch/sparc/include/asm/processor_32.h +++ b/arch/sparc/include/asm/processor_32.h @@ -16,7 +16,6 @@ #include <asm/ptrace.h> #include <asm/head.h> #include <asm/signal.h> -#include <asm/btfixup.h> #include <asm/page.h> /* @@ -75,7 +74,7 @@ struct thread_struct { } /* Return saved PC of a blocked thread. */ -extern unsigned long thread_saved_pc(struct task_struct *t); +unsigned long thread_saved_pc(struct task_struct *t); /* Do necessary setup to start up a newly executed thread. */ static inline void start_thread(struct pt_regs * regs, unsigned long pc, @@ -99,7 +98,7 @@ static inline void start_thread(struct pt_regs * regs, unsigned long pc, "st\t%%g0, [%0 + %3 + 0x3c]" : /* no outputs */ : "r" (regs), - "r" (sp - sizeof(struct reg_window)), + "r" (sp - sizeof(struct reg_window32)), "r" (zero), "i" ((const unsigned long)(&((struct pt_regs *)0)->u_regs[0])) : "memory"); @@ -107,12 +106,8 @@ static inline void start_thread(struct pt_regs * regs, unsigned long pc, /* Free all resources held by a thread. */ #define release_thread(tsk) do { } while(0) -extern pid_t kernel_thread(int (*fn)(void *), void * arg, unsigned long flags); -/* Prepare to copy thread state - unlazy all lazy status */ -#define prepare_to_copy(tsk) do { } while (0) - -extern unsigned long get_wchan(struct task_struct *); +unsigned long get_wchan(struct task_struct *); #define task_pt_regs(tsk) ((tsk)->thread.kregs) #define KSTK_EIP(tsk) ((tsk)->thread.kregs->pc) @@ -121,8 +116,10 @@ extern unsigned long get_wchan(struct task_struct *); #ifdef __KERNEL__ extern struct task_struct *last_task_used_math; +int do_mathemu(struct pt_regs *regs, struct task_struct *fpt); #define cpu_relax() barrier() +extern void (*sparc_idle)(void); #endif diff --git a/arch/sparc/include/asm/processor_64.h b/arch/sparc/include/asm/processor_64.h index 137a6bd72fc..7028fe1a7c0 100644 --- a/arch/sparc/include/asm/processor_64.h +++ b/arch/sparc/include/asm/processor_64.h @@ -36,10 +36,12 @@ #define VPTE_SIZE (1 << (VA_BITS - PAGE_SHIFT + 3)) #endif -#define TASK_SIZE ((unsigned long)-VPTE_SIZE) #define TASK_SIZE_OF(tsk) \ (test_tsk_thread_flag(tsk,TIF_32BIT) ? \ - (1UL << 32UL) : TASK_SIZE) + (1UL << 32UL) : ((unsigned long)-VPTE_SIZE)) +#define TASK_SIZE \ + (test_thread_flag(TIF_32BIT) ? \ + (1UL << 32UL) : ((unsigned long)-VPTE_SIZE)) #ifdef __KERNEL__ #define STACK_TOP32 ((1UL << 32UL) - PAGE_SIZE) @@ -89,10 +91,11 @@ struct thread_struct { #ifndef __ASSEMBLY__ #include <linux/types.h> +#include <asm/fpumacro.h> /* Return saved PC of a blocked thread. */ struct task_struct; -extern unsigned long thread_saved_pc(struct task_struct *); +unsigned long thread_saved_pc(struct task_struct *); /* On Uniprocessor, even in RMO processes see TSO semantics */ #ifdef CONFIG_SMP @@ -138,6 +141,10 @@ do { \ : \ : "r" (regs), "r" (sp - sizeof(struct reg_window) - STACK_BIAS), \ "i" ((const unsigned long)(&((struct pt_regs *)0)->u_regs[0]))); \ + fprs_write(0); \ + current_thread_info()->xfsr[0] = 0; \ + current_thread_info()->fpsaved[0] = 0; \ + regs->tstate &= ~TSTATE_PEF; \ } while (0) #define start_thread32(regs, pc, sp) \ @@ -178,23 +185,37 @@ do { \ : \ : "r" (regs), "r" (sp - sizeof(struct reg_window32)), \ "i" ((const unsigned long)(&((struct pt_regs *)0)->u_regs[0]))); \ + fprs_write(0); \ + current_thread_info()->xfsr[0] = 0; \ + current_thread_info()->fpsaved[0] = 0; \ + regs->tstate &= ~TSTATE_PEF; \ } while (0) /* Free all resources held by a thread. */ #define release_thread(tsk) do { } while (0) -/* Prepare to copy thread state - unlazy all lazy status */ -#define prepare_to_copy(tsk) do { } while (0) - -extern pid_t kernel_thread(int (*fn)(void *), void * arg, unsigned long flags); - -extern unsigned long get_wchan(struct task_struct *task); +unsigned long get_wchan(struct task_struct *task); #define task_pt_regs(tsk) (task_thread_info(tsk)->kregs) #define KSTK_EIP(tsk) (task_pt_regs(tsk)->tpc) #define KSTK_ESP(tsk) (task_pt_regs(tsk)->u_regs[UREG_FP]) -#define cpu_relax() barrier() +/* Please see the commentary in asm/backoff.h for a description of + * what these instructions are doing and how they have been choosen. + * To make a long story short, we are trying to yield the current cpu + * strand during busy loops. + */ +#define cpu_relax() asm volatile("\n99:\n\t" \ + "rd %%ccr, %%g0\n\t" \ + "rd %%ccr, %%g0\n\t" \ + "rd %%ccr, %%g0\n\t" \ + ".section .pause_3insn_patch,\"ax\"\n\t"\ + ".word 99b\n\t" \ + "wr %%g0, 128, %%asr27\n\t" \ + "nop\n\t" \ + "nop\n\t" \ + ".previous" \ + ::: "memory") /* Prefetch support. This is tuned for UltraSPARC-III and later. * UltraSPARC-I will treat these as nops, and UltraSPARC-II has @@ -232,6 +253,8 @@ static inline void prefetchw(const void *x) #define HAVE_ARCH_PICK_MMAP_LAYOUT +int do_mathemu(struct pt_regs *regs, struct fpustate *f, bool illegal_insn_trap); + #endif /* !(__ASSEMBLY__) */ #endif /* !(__ASM_SPARC64_PROCESSOR_H) */ diff --git a/arch/sparc/include/asm/prom.h b/arch/sparc/include/asm/prom.h index fd55522481c..d955c8df62d 100644 --- a/arch/sparc/include/asm/prom.h +++ b/arch/sparc/include/asm/prom.h @@ -1,3 +1,4 @@ +#include <linux/of.h> /* linux/of.h gets to determine #include ordering */ #ifndef _SPARC_PROM_H #define _SPARC_PROM_H #ifdef __KERNEL__ @@ -17,8 +18,11 @@ * 2 of the License, or (at your option) any later version. */ #include <linux/types.h> +#include <linux/of_pdt.h> #include <linux/proc_fs.h> -#include <asm/atomic.h> +#include <linux/mutex.h> +#include <linux/atomic.h> +#include <linux/irqdomain.h> #define OF_ROOT_NODE_ADDR_CELLS_DEFAULT 2 #define OF_ROOT_NODE_SIZE_CELLS_DEFAULT 1 @@ -27,82 +31,33 @@ #define of_prop_cmp(s1, s2) strcasecmp((s1), (s2)) #define of_node_cmp(s1, s2) strcmp((s1), (s2)) -typedef u32 phandle; -typedef u32 ihandle; - -struct property { - char *name; - int length; - void *value; - struct property *next; - unsigned long _flags; - unsigned int unique_id; -}; - -struct of_irq_controller; -struct device_node { - const char *name; - const char *type; - phandle node; - char *path_component_name; - char *full_name; - - struct property *properties; - struct property *deadprops; /* removed properties */ - struct device_node *parent; - struct device_node *child; - struct device_node *sibling; - struct device_node *next; /* next device of same type */ - struct device_node *allnext; /* next in list of all nodes */ - struct proc_dir_entry *pde; /* this node's proc directory */ - struct kref kref; - unsigned long _flags; - void *data; - unsigned int unique_id; - - struct of_irq_controller *irq_trans; -}; - struct of_irq_controller { unsigned int (*irq_build)(struct device_node *, unsigned int, void *); void *data; }; -#define OF_IS_DYNAMIC(x) test_bit(OF_DYNAMIC, &x->_flags) -#define OF_MARK_DYNAMIC(x) set_bit(OF_DYNAMIC, &x->_flags) - -extern struct device_node *of_find_node_by_cpuid(int cpuid); -extern int of_set_property(struct device_node *node, const char *name, void *val, int len); -extern int of_getintprop_default(struct device_node *np, - const char *name, +struct device_node *of_find_node_by_cpuid(int cpuid); +int of_set_property(struct device_node *node, const char *name, void *val, int len); +extern struct mutex of_set_property_mutex; +int of_getintprop_default(struct device_node *np, + const char *name, int def); -extern int of_find_in_proplist(const char *list, const char *match, int len); -#ifdef CONFIG_NUMA -extern int of_node_to_nid(struct device_node *dp); -#else -#define of_node_to_nid(dp) (-1) -#endif - -extern void prom_build_devicetree(void); +int of_find_in_proplist(const char *list, const char *match, int len); -/* Dummy ref counting routines - to be implemented later */ -static inline struct device_node *of_node_get(struct device_node *node) -{ - return node; -} -static inline void of_node_put(struct device_node *node) -{ -} +void prom_build_devicetree(void); +void of_populate_present_mask(void); +void of_fill_in_cpu_data(void); -/* - * NB: This is here while we transition from using asm/prom.h - * to linux/of.h - */ -#include <linux/of.h> +struct resource; +void __iomem *of_ioremap(struct resource *res, unsigned long offset, unsigned long size, char *name); +void of_iounmap(struct resource *res, void __iomem *base, unsigned long size); extern struct device_node *of_console_device; extern char *of_console_path; extern char *of_console_options; +void irq_trans_init(struct device_node *dp); +char *build_path_component(struct device_node *dp); + #endif /* __KERNEL__ */ #endif /* _SPARC_PROM_H */ diff --git a/arch/sparc/include/asm/psr.h b/arch/sparc/include/asm/psr.h index b8c0e5f0a66..e71eb57945e 100644 --- a/arch/sparc/include/asm/psr.h +++ b/arch/sparc/include/asm/psr.h @@ -7,35 +7,11 @@ * * Copyright (C) 1994 David S. Miller (davem@caip.rutgers.edu) */ - #ifndef __LINUX_SPARC_PSR_H #define __LINUX_SPARC_PSR_H -/* The Sparc PSR fields are laid out as the following: - * - * ------------------------------------------------------------------------ - * | impl | vers | icc | resv | EC | EF | PIL | S | PS | ET | CWP | - * | 31-28 | 27-24 | 23-20 | 19-14 | 13 | 12 | 11-8 | 7 | 6 | 5 | 4-0 | - * ------------------------------------------------------------------------ - */ -#define PSR_CWP 0x0000001f /* current window pointer */ -#define PSR_ET 0x00000020 /* enable traps field */ -#define PSR_PS 0x00000040 /* previous privilege level */ -#define PSR_S 0x00000080 /* current privilege level */ -#define PSR_PIL 0x00000f00 /* processor interrupt level */ -#define PSR_EF 0x00001000 /* enable floating point */ -#define PSR_EC 0x00002000 /* enable co-processor */ -#define PSR_SYSCALL 0x00004000 /* inside of a syscall */ -#define PSR_LE 0x00008000 /* SuperSparcII little-endian */ -#define PSR_ICC 0x00f00000 /* integer condition codes */ -#define PSR_C 0x00100000 /* carry bit */ -#define PSR_V 0x00200000 /* overflow bit */ -#define PSR_Z 0x00400000 /* zero bit */ -#define PSR_N 0x00800000 /* negative bit */ -#define PSR_VERS 0x0f000000 /* cpu-version field */ -#define PSR_IMPL 0xf0000000 /* cpu-implementation field */ +#include <uapi/asm/psr.h> -#ifdef __KERNEL__ #ifndef __ASSEMBLY__ /* Get the %psr register. */ @@ -88,6 +64,4 @@ static inline unsigned int get_fsr(void) #endif /* !(__ASSEMBLY__) */ -#endif /* (__KERNEL__) */ - #endif /* !(__LINUX_SPARC_PSR_H) */ diff --git a/arch/sparc/include/asm/psrcompat.h b/arch/sparc/include/asm/psrcompat.h deleted file mode 100644 index 44b6327dbbf..00000000000 --- a/arch/sparc/include/asm/psrcompat.h +++ /dev/null @@ -1,45 +0,0 @@ -#ifndef _SPARC64_PSRCOMPAT_H -#define _SPARC64_PSRCOMPAT_H - -#include <asm/pstate.h> - -/* Old 32-bit PSR fields for the compatibility conversion code. */ -#define PSR_CWP 0x0000001f /* current window pointer */ -#define PSR_ET 0x00000020 /* enable traps field */ -#define PSR_PS 0x00000040 /* previous privilege level */ -#define PSR_S 0x00000080 /* current privilege level */ -#define PSR_PIL 0x00000f00 /* processor interrupt level */ -#define PSR_EF 0x00001000 /* enable floating point */ -#define PSR_EC 0x00002000 /* enable co-processor */ -#define PSR_SYSCALL 0x00004000 /* inside of a syscall */ -#define PSR_LE 0x00008000 /* SuperSparcII little-endian */ -#define PSR_ICC 0x00f00000 /* integer condition codes */ -#define PSR_C 0x00100000 /* carry bit */ -#define PSR_V 0x00200000 /* overflow bit */ -#define PSR_Z 0x00400000 /* zero bit */ -#define PSR_N 0x00800000 /* negative bit */ -#define PSR_VERS 0x0f000000 /* cpu-version field */ -#define PSR_IMPL 0xf0000000 /* cpu-implementation field */ - -#define PSR_V8PLUS 0xff000000 /* fake impl/ver, meaning a 64bit CPU is present */ -#define PSR_XCC 0x000f0000 /* if PSR_V8PLUS, this is %xcc */ - -static inline unsigned int tstate_to_psr(unsigned long tstate) -{ - return ((tstate & TSTATE_CWP) | - PSR_S | - ((tstate & TSTATE_ICC) >> 12) | - ((tstate & TSTATE_XCC) >> 20) | - ((tstate & TSTATE_SYSCALL) ? PSR_SYSCALL : 0) | - PSR_V8PLUS); -} - -static inline unsigned long psr_to_tstate_icc(unsigned int psr) -{ - unsigned long tstate = ((unsigned long)(psr & PSR_ICC)) << 12; - if ((psr & (PSR_VERS|PSR_IMPL)) == PSR_V8PLUS) - tstate |= ((unsigned long)(psr & PSR_XCC)) << 20; - return tstate; -} - -#endif /* !(_SPARC64_PSRCOMPAT_H) */ diff --git a/arch/sparc/include/asm/pstate.h b/arch/sparc/include/asm/pstate.h deleted file mode 100644 index a26a53777bb..00000000000 --- a/arch/sparc/include/asm/pstate.h +++ /dev/null @@ -1,91 +0,0 @@ -#ifndef _SPARC64_PSTATE_H -#define _SPARC64_PSTATE_H - -#include <linux/const.h> - -/* The V9 PSTATE Register (with SpitFire extensions). - * - * ----------------------------------------------------------------------- - * | Resv | IG | MG | CLE | TLE | MM | RED | PEF | AM | PRIV | IE | AG | - * ----------------------------------------------------------------------- - * 63 12 11 10 9 8 7 6 5 4 3 2 1 0 - */ -#define PSTATE_IG _AC(0x0000000000000800,UL) /* Interrupt Globals. */ -#define PSTATE_MG _AC(0x0000000000000400,UL) /* MMU Globals. */ -#define PSTATE_CLE _AC(0x0000000000000200,UL) /* Current Little Endian.*/ -#define PSTATE_TLE _AC(0x0000000000000100,UL) /* Trap Little Endian. */ -#define PSTATE_MM _AC(0x00000000000000c0,UL) /* Memory Model. */ -#define PSTATE_TSO _AC(0x0000000000000000,UL) /* MM: TotalStoreOrder */ -#define PSTATE_PSO _AC(0x0000000000000040,UL) /* MM: PartialStoreOrder */ -#define PSTATE_RMO _AC(0x0000000000000080,UL) /* MM: RelaxedMemoryOrder*/ -#define PSTATE_RED _AC(0x0000000000000020,UL) /* Reset Error Debug. */ -#define PSTATE_PEF _AC(0x0000000000000010,UL) /* Floating Point Enable.*/ -#define PSTATE_AM _AC(0x0000000000000008,UL) /* Address Mask. */ -#define PSTATE_PRIV _AC(0x0000000000000004,UL) /* Privilege. */ -#define PSTATE_IE _AC(0x0000000000000002,UL) /* Interrupt Enable. */ -#define PSTATE_AG _AC(0x0000000000000001,UL) /* Alternate Globals. */ - -/* The V9 TSTATE Register (with SpitFire and Linux extensions). - * - * --------------------------------------------------------------------- - * | Resv | GL | CCR | ASI | %pil | PSTATE | Resv | CWP | - * --------------------------------------------------------------------- - * 63 43 42 40 39 32 31 24 23 20 19 8 7 5 4 0 - */ -#define TSTATE_GL _AC(0x0000070000000000,UL) /* Global reg level */ -#define TSTATE_CCR _AC(0x000000ff00000000,UL) /* Condition Codes. */ -#define TSTATE_XCC _AC(0x000000f000000000,UL) /* Condition Codes. */ -#define TSTATE_XNEG _AC(0x0000008000000000,UL) /* %xcc Negative. */ -#define TSTATE_XZERO _AC(0x0000004000000000,UL) /* %xcc Zero. */ -#define TSTATE_XOVFL _AC(0x0000002000000000,UL) /* %xcc Overflow. */ -#define TSTATE_XCARRY _AC(0x0000001000000000,UL) /* %xcc Carry. */ -#define TSTATE_ICC _AC(0x0000000f00000000,UL) /* Condition Codes. */ -#define TSTATE_INEG _AC(0x0000000800000000,UL) /* %icc Negative. */ -#define TSTATE_IZERO _AC(0x0000000400000000,UL) /* %icc Zero. */ -#define TSTATE_IOVFL _AC(0x0000000200000000,UL) /* %icc Overflow. */ -#define TSTATE_ICARRY _AC(0x0000000100000000,UL) /* %icc Carry. */ -#define TSTATE_ASI _AC(0x00000000ff000000,UL) /* AddrSpace ID. */ -#define TSTATE_PIL _AC(0x0000000000f00000,UL) /* %pil (Linux traps)*/ -#define TSTATE_PSTATE _AC(0x00000000000fff00,UL) /* PSTATE. */ -#define TSTATE_IG _AC(0x0000000000080000,UL) /* Interrupt Globals.*/ -#define TSTATE_MG _AC(0x0000000000040000,UL) /* MMU Globals. */ -#define TSTATE_CLE _AC(0x0000000000020000,UL) /* CurrLittleEndian. */ -#define TSTATE_TLE _AC(0x0000000000010000,UL) /* TrapLittleEndian. */ -#define TSTATE_MM _AC(0x000000000000c000,UL) /* Memory Model. */ -#define TSTATE_TSO _AC(0x0000000000000000,UL) /* MM: TSO */ -#define TSTATE_PSO _AC(0x0000000000004000,UL) /* MM: PSO */ -#define TSTATE_RMO _AC(0x0000000000008000,UL) /* MM: RMO */ -#define TSTATE_RED _AC(0x0000000000002000,UL) /* Reset Error Debug.*/ -#define TSTATE_PEF _AC(0x0000000000001000,UL) /* FPU Enable. */ -#define TSTATE_AM _AC(0x0000000000000800,UL) /* Address Mask. */ -#define TSTATE_PRIV _AC(0x0000000000000400,UL) /* Privilege. */ -#define TSTATE_IE _AC(0x0000000000000200,UL) /* Interrupt Enable. */ -#define TSTATE_AG _AC(0x0000000000000100,UL) /* Alternate Globals.*/ -#define TSTATE_SYSCALL _AC(0x0000000000000020,UL) /* in syscall trap */ -#define TSTATE_CWP _AC(0x000000000000001f,UL) /* Curr Win-Pointer. */ - -/* Floating-Point Registers State Register. - * - * -------------------------------- - * | Resv | FEF | DU | DL | - * -------------------------------- - * 63 3 2 1 0 - */ -#define FPRS_FEF _AC(0x0000000000000004,UL) /* FPU Enable. */ -#define FPRS_DU _AC(0x0000000000000002,UL) /* Dirty Upper. */ -#define FPRS_DL _AC(0x0000000000000001,UL) /* Dirty Lower. */ - -/* Version Register. - * - * ------------------------------------------------------ - * | MANUF | IMPL | MASK | Resv | MAXTL | Resv | MAXWIN | - * ------------------------------------------------------ - * 63 48 47 32 31 24 23 16 15 8 7 5 4 0 - */ -#define VERS_MANUF _AC(0xffff000000000000,UL) /* Manufacturer. */ -#define VERS_IMPL _AC(0x0000ffff00000000,UL) /* Implementation. */ -#define VERS_MASK _AC(0x00000000ff000000,UL) /* Mask Set Revision.*/ -#define VERS_MAXTL _AC(0x000000000000ff00,UL) /* Max Trap Level. */ -#define VERS_MAXWIN _AC(0x000000000000001f,UL) /* Max RegWindow Idx.*/ - -#endif /* !(_SPARC64_PSTATE_H) */ diff --git a/arch/sparc/include/asm/ptrace.h b/arch/sparc/include/asm/ptrace.h index 6dcbe2eed2e..bac6a946ee0 100644 --- a/arch/sparc/include/asm/ptrace.h +++ b/arch/sparc/include/asm/ptrace.h @@ -1,8 +1,126 @@ -#ifndef ___ASM_SPARC_PTRACE_H -#define ___ASM_SPARC_PTRACE_H +#ifndef __SPARC_PTRACE_H +#define __SPARC_PTRACE_H + +#include <uapi/asm/ptrace.h> + #if defined(__sparc__) && defined(__arch64__) -#include <asm/ptrace_64.h> +#ifndef __ASSEMBLY__ + +#include <linux/threads.h> +#include <asm/switch_to.h> + +static inline int pt_regs_trap_type(struct pt_regs *regs) +{ + return regs->magic & 0x1ff; +} + +static inline bool pt_regs_is_syscall(struct pt_regs *regs) +{ + return (regs->tstate & TSTATE_SYSCALL); +} + +static inline bool pt_regs_clear_syscall(struct pt_regs *regs) +{ + return (regs->tstate &= ~TSTATE_SYSCALL); +} + +#define arch_ptrace_stop_needed(exit_code, info) \ +({ flush_user_windows(); \ + get_thread_wsaved() != 0; \ +}) + +#define arch_ptrace_stop(exit_code, info) \ + synchronize_user_stack() + +#define current_pt_regs() \ + ((struct pt_regs *)((unsigned long)current_thread_info() + THREAD_SIZE) - 1) + +struct global_reg_snapshot { + unsigned long tstate; + unsigned long tpc; + unsigned long tnpc; + unsigned long o7; + unsigned long i7; + unsigned long rpc; + struct thread_info *thread; + unsigned long pad1; +}; + +struct global_pmu_snapshot { + unsigned long pcr[4]; + unsigned long pic[4]; +}; + +union global_cpu_snapshot { + struct global_reg_snapshot reg; + struct global_pmu_snapshot pmu; +}; + +extern union global_cpu_snapshot global_cpu_snapshot[NR_CPUS]; + +#define force_successful_syscall_return() set_thread_noerror(1) +#define user_mode(regs) (!((regs)->tstate & TSTATE_PRIV)) +#define instruction_pointer(regs) ((regs)->tpc) +#define instruction_pointer_set(regs, val) ((regs)->tpc = (val)) +#define user_stack_pointer(regs) ((regs)->u_regs[UREG_FP]) +static inline int is_syscall_success(struct pt_regs *regs) +{ + return !(regs->tstate & (TSTATE_XCARRY | TSTATE_ICARRY)); +} + +static inline long regs_return_value(struct pt_regs *regs) +{ + return regs->u_regs[UREG_I0]; +} +#ifdef CONFIG_SMP +unsigned long profile_pc(struct pt_regs *); #else -#include <asm/ptrace_32.h> -#endif +#define profile_pc(regs) instruction_pointer(regs) #endif +#else /* __ASSEMBLY__ */ +#endif /* __ASSEMBLY__ */ +#else /* (defined(__sparc__) && defined(__arch64__)) */ +#ifndef __ASSEMBLY__ +#include <asm/switch_to.h> + +static inline bool pt_regs_is_syscall(struct pt_regs *regs) +{ + return (regs->psr & PSR_SYSCALL); +} + +static inline bool pt_regs_clear_syscall(struct pt_regs *regs) +{ + return (regs->psr &= ~PSR_SYSCALL); +} + +#define arch_ptrace_stop_needed(exit_code, info) \ +({ flush_user_windows(); \ + current_thread_info()->w_saved != 0; \ +}) + +#define arch_ptrace_stop(exit_code, info) \ + synchronize_user_stack() + +#define current_pt_regs() \ + ((struct pt_regs *)((unsigned long)current_thread_info() + THREAD_SIZE) - 1) + +#define user_mode(regs) (!((regs)->psr & PSR_PS)) +#define instruction_pointer(regs) ((regs)->pc) +#define user_stack_pointer(regs) ((regs)->u_regs[UREG_FP]) +unsigned long profile_pc(struct pt_regs *); +#else /* (!__ASSEMBLY__) */ +#endif /* (!__ASSEMBLY__) */ +#endif /* (defined(__sparc__) && defined(__arch64__)) */ +#define STACK_BIAS 2047 + +/* global_reg_snapshot offsets */ +#define GR_SNAP_TSTATE 0x00 +#define GR_SNAP_TPC 0x08 +#define GR_SNAP_TNPC 0x10 +#define GR_SNAP_O7 0x18 +#define GR_SNAP_I7 0x20 +#define GR_SNAP_RPC 0x28 +#define GR_SNAP_THREAD 0x30 +#define GR_SNAP_PAD1 0x38 + +#endif /* !(__SPARC_PTRACE_H) */ diff --git a/arch/sparc/include/asm/ptrace_32.h b/arch/sparc/include/asm/ptrace_32.h deleted file mode 100644 index d409c4f21a5..00000000000 --- a/arch/sparc/include/asm/ptrace_32.h +++ /dev/null @@ -1,176 +0,0 @@ -#ifndef _SPARC_PTRACE_H -#define _SPARC_PTRACE_H - -#include <asm/psr.h> - -/* This struct defines the way the registers are stored on the - * stack during a system call and basically all traps. - */ - -#ifndef __ASSEMBLY__ - -#include <linux/types.h> - -struct pt_regs { - unsigned long psr; - unsigned long pc; - unsigned long npc; - unsigned long y; - unsigned long u_regs[16]; /* globals and ins */ -}; - -#define UREG_G0 0 -#define UREG_G1 1 -#define UREG_G2 2 -#define UREG_G3 3 -#define UREG_G4 4 -#define UREG_G5 5 -#define UREG_G6 6 -#define UREG_G7 7 -#define UREG_I0 8 -#define UREG_I1 9 -#define UREG_I2 10 -#define UREG_I3 11 -#define UREG_I4 12 -#define UREG_I5 13 -#define UREG_I6 14 -#define UREG_I7 15 -#define UREG_WIM UREG_G0 -#define UREG_FADDR UREG_G0 -#define UREG_FP UREG_I6 -#define UREG_RETPC UREG_I7 - -/* A register window */ -struct reg_window { - unsigned long locals[8]; - unsigned long ins[8]; -}; - -/* A Sparc stack frame */ -struct sparc_stackf { - unsigned long locals[8]; - unsigned long ins[6]; - struct sparc_stackf *fp; - unsigned long callers_pc; - char *structptr; - unsigned long xargs[6]; - unsigned long xxargs[1]; -}; - -#define TRACEREG_SZ sizeof(struct pt_regs) -#define STACKFRAME_SZ sizeof(struct sparc_stackf) - -#ifdef __KERNEL__ - -static inline bool pt_regs_is_syscall(struct pt_regs *regs) -{ - return (regs->psr & PSR_SYSCALL); -} - -static inline bool pt_regs_clear_syscall(struct pt_regs *regs) -{ - return (regs->psr &= ~PSR_SYSCALL); -} - -#define user_mode(regs) (!((regs)->psr & PSR_PS)) -#define instruction_pointer(regs) ((regs)->pc) -#define user_stack_pointer(regs) ((regs)->u_regs[UREG_FP]) -unsigned long profile_pc(struct pt_regs *); -extern void show_regs(struct pt_regs *); -#endif - -#else /* __ASSEMBLY__ */ -/* For assembly code. */ -#define TRACEREG_SZ 0x50 -#define STACKFRAME_SZ 0x60 -#endif - -/* - * The asm-offsets.h is a generated file, so we cannot include it. - * It may be OK for glibc headers, but it's utterly pointless for C code. - * The assembly code using those offsets has to include it explicitly. - */ -/* #include <asm/asm-offsets.h> */ - -/* These are for pt_regs. */ -#define PT_PSR 0x0 -#define PT_PC 0x4 -#define PT_NPC 0x8 -#define PT_Y 0xc -#define PT_G0 0x10 -#define PT_WIM PT_G0 -#define PT_G1 0x14 -#define PT_G2 0x18 -#define PT_G3 0x1c -#define PT_G4 0x20 -#define PT_G5 0x24 -#define PT_G6 0x28 -#define PT_G7 0x2c -#define PT_I0 0x30 -#define PT_I1 0x34 -#define PT_I2 0x38 -#define PT_I3 0x3c -#define PT_I4 0x40 -#define PT_I5 0x44 -#define PT_I6 0x48 -#define PT_FP PT_I6 -#define PT_I7 0x4c - -/* Reg_window offsets */ -#define RW_L0 0x00 -#define RW_L1 0x04 -#define RW_L2 0x08 -#define RW_L3 0x0c -#define RW_L4 0x10 -#define RW_L5 0x14 -#define RW_L6 0x18 -#define RW_L7 0x1c -#define RW_I0 0x20 -#define RW_I1 0x24 -#define RW_I2 0x28 -#define RW_I3 0x2c -#define RW_I4 0x30 -#define RW_I5 0x34 -#define RW_I6 0x38 -#define RW_I7 0x3c - -/* Stack_frame offsets */ -#define SF_L0 0x00 -#define SF_L1 0x04 -#define SF_L2 0x08 -#define SF_L3 0x0c -#define SF_L4 0x10 -#define SF_L5 0x14 -#define SF_L6 0x18 -#define SF_L7 0x1c -#define SF_I0 0x20 -#define SF_I1 0x24 -#define SF_I2 0x28 -#define SF_I3 0x2c -#define SF_I4 0x30 -#define SF_I5 0x34 -#define SF_FP 0x38 -#define SF_PC 0x3c -#define SF_RETP 0x40 -#define SF_XARG0 0x44 -#define SF_XARG1 0x48 -#define SF_XARG2 0x4c -#define SF_XARG3 0x50 -#define SF_XARG4 0x54 -#define SF_XARG5 0x58 -#define SF_XXARG 0x5c - -/* Stuff for the ptrace system call */ -#define PTRACE_SPARC_DETACH 11 -#define PTRACE_GETREGS 12 -#define PTRACE_SETREGS 13 -#define PTRACE_GETFPREGS 14 -#define PTRACE_SETFPREGS 15 -#define PTRACE_READDATA 16 -#define PTRACE_WRITEDATA 17 -#define PTRACE_READTEXT 18 -#define PTRACE_WRITETEXT 19 -#define PTRACE_GETFPAREGS 20 -#define PTRACE_SETFPAREGS 21 - -#endif /* !(_SPARC_PTRACE_H) */ diff --git a/arch/sparc/include/asm/ptrace_64.h b/arch/sparc/include/asm/ptrace_64.h deleted file mode 100644 index 06e4914c13f..00000000000 --- a/arch/sparc/include/asm/ptrace_64.h +++ /dev/null @@ -1,346 +0,0 @@ -#ifndef _SPARC64_PTRACE_H -#define _SPARC64_PTRACE_H - -#include <asm/pstate.h> - -/* This struct defines the way the registers are stored on the - * stack during a system call and basically all traps. - */ - -/* This magic value must have the low 9 bits clear, - * as that is where we encode the %tt value, see below. - */ -#define PT_REGS_MAGIC 0x57ac6c00 - -#ifndef __ASSEMBLY__ - -#include <linux/types.h> - -struct pt_regs { - unsigned long u_regs[16]; /* globals and ins */ - unsigned long tstate; - unsigned long tpc; - unsigned long tnpc; - unsigned int y; - - /* We encode a magic number, PT_REGS_MAGIC, along - * with the %tt (trap type) register value at trap - * entry time. The magic number allows us to identify - * accurately a trap stack frame in the stack - * unwinder, and the %tt value allows us to test - * things like "in a system call" etc. for an arbitray - * process. - * - * The PT_REGS_MAGIC is choosen such that it can be - * loaded completely using just a sethi instruction. - */ - unsigned int magic; -}; - -struct pt_regs32 { - unsigned int psr; - unsigned int pc; - unsigned int npc; - unsigned int y; - unsigned int u_regs[16]; /* globals and ins */ -}; - -#define UREG_G0 0 -#define UREG_G1 1 -#define UREG_G2 2 -#define UREG_G3 3 -#define UREG_G4 4 -#define UREG_G5 5 -#define UREG_G6 6 -#define UREG_G7 7 -#define UREG_I0 8 -#define UREG_I1 9 -#define UREG_I2 10 -#define UREG_I3 11 -#define UREG_I4 12 -#define UREG_I5 13 -#define UREG_I6 14 -#define UREG_I7 15 -#define UREG_FP UREG_I6 -#define UREG_RETPC UREG_I7 - -/* A V9 register window */ -struct reg_window { - unsigned long locals[8]; - unsigned long ins[8]; -}; - -/* A 32-bit register window. */ -struct reg_window32 { - unsigned int locals[8]; - unsigned int ins[8]; -}; - -/* A V9 Sparc stack frame */ -struct sparc_stackf { - unsigned long locals[8]; - unsigned long ins[6]; - struct sparc_stackf *fp; - unsigned long callers_pc; - char *structptr; - unsigned long xargs[6]; - unsigned long xxargs[1]; -}; - -/* A 32-bit Sparc stack frame */ -struct sparc_stackf32 { - unsigned int locals[8]; - unsigned int ins[6]; - unsigned int fp; - unsigned int callers_pc; - unsigned int structptr; - unsigned int xargs[6]; - unsigned int xxargs[1]; -}; - -struct sparc_trapf { - unsigned long locals[8]; - unsigned long ins[8]; - unsigned long _unused; - struct pt_regs *regs; -}; - -#define TRACEREG_SZ sizeof(struct pt_regs) -#define STACKFRAME_SZ sizeof(struct sparc_stackf) - -#define TRACEREG32_SZ sizeof(struct pt_regs32) -#define STACKFRAME32_SZ sizeof(struct sparc_stackf32) - -#ifdef __KERNEL__ - -static inline int pt_regs_trap_type(struct pt_regs *regs) -{ - return regs->magic & 0x1ff; -} - -static inline bool pt_regs_is_syscall(struct pt_regs *regs) -{ - return (regs->tstate & TSTATE_SYSCALL); -} - -static inline bool pt_regs_clear_syscall(struct pt_regs *regs) -{ - return (regs->tstate &= ~TSTATE_SYSCALL); -} - -struct global_reg_snapshot { - unsigned long tstate; - unsigned long tpc; - unsigned long tnpc; - unsigned long o7; - unsigned long i7; - unsigned long rpc; - struct thread_info *thread; - unsigned long pad1; -}; - -#define __ARCH_WANT_COMPAT_SYS_PTRACE - -#define force_successful_syscall_return() \ -do { current_thread_info()->syscall_noerror = 1; \ -} while (0) -#define user_mode(regs) (!((regs)->tstate & TSTATE_PRIV)) -#define instruction_pointer(regs) ((regs)->tpc) -#define user_stack_pointer(regs) ((regs)->u_regs[UREG_FP]) -#define regs_return_value(regs) ((regs)->u_regs[UREG_I0]) -#ifdef CONFIG_SMP -extern unsigned long profile_pc(struct pt_regs *); -#else -#define profile_pc(regs) instruction_pointer(regs) -#endif -extern void show_regs(struct pt_regs *); -#endif - -#else /* __ASSEMBLY__ */ -/* For assembly code. */ -#define TRACEREG_SZ 0xa0 -#define STACKFRAME_SZ 0xc0 - -#define TRACEREG32_SZ 0x50 -#define STACKFRAME32_SZ 0x60 -#endif - -#ifdef __KERNEL__ -#define STACK_BIAS 2047 -#endif - -/* These are for pt_regs. */ -#define PT_V9_G0 0x00 -#define PT_V9_G1 0x08 -#define PT_V9_G2 0x10 -#define PT_V9_G3 0x18 -#define PT_V9_G4 0x20 -#define PT_V9_G5 0x28 -#define PT_V9_G6 0x30 -#define PT_V9_G7 0x38 -#define PT_V9_I0 0x40 -#define PT_V9_I1 0x48 -#define PT_V9_I2 0x50 -#define PT_V9_I3 0x58 -#define PT_V9_I4 0x60 -#define PT_V9_I5 0x68 -#define PT_V9_I6 0x70 -#define PT_V9_FP PT_V9_I6 -#define PT_V9_I7 0x78 -#define PT_V9_TSTATE 0x80 -#define PT_V9_TPC 0x88 -#define PT_V9_TNPC 0x90 -#define PT_V9_Y 0x98 -#define PT_V9_MAGIC 0x9c -#define PT_TSTATE PT_V9_TSTATE -#define PT_TPC PT_V9_TPC -#define PT_TNPC PT_V9_TNPC - -/* These for pt_regs32. */ -#define PT_PSR 0x0 -#define PT_PC 0x4 -#define PT_NPC 0x8 -#define PT_Y 0xc -#define PT_G0 0x10 -#define PT_WIM PT_G0 -#define PT_G1 0x14 -#define PT_G2 0x18 -#define PT_G3 0x1c -#define PT_G4 0x20 -#define PT_G5 0x24 -#define PT_G6 0x28 -#define PT_G7 0x2c -#define PT_I0 0x30 -#define PT_I1 0x34 -#define PT_I2 0x38 -#define PT_I3 0x3c -#define PT_I4 0x40 -#define PT_I5 0x44 -#define PT_I6 0x48 -#define PT_FP PT_I6 -#define PT_I7 0x4c - -/* Reg_window offsets */ -#define RW_V9_L0 0x00 -#define RW_V9_L1 0x08 -#define RW_V9_L2 0x10 -#define RW_V9_L3 0x18 -#define RW_V9_L4 0x20 -#define RW_V9_L5 0x28 -#define RW_V9_L6 0x30 -#define RW_V9_L7 0x38 -#define RW_V9_I0 0x40 -#define RW_V9_I1 0x48 -#define RW_V9_I2 0x50 -#define RW_V9_I3 0x58 -#define RW_V9_I4 0x60 -#define RW_V9_I5 0x68 -#define RW_V9_I6 0x70 -#define RW_V9_I7 0x78 - -#define RW_L0 0x00 -#define RW_L1 0x04 -#define RW_L2 0x08 -#define RW_L3 0x0c -#define RW_L4 0x10 -#define RW_L5 0x14 -#define RW_L6 0x18 -#define RW_L7 0x1c -#define RW_I0 0x20 -#define RW_I1 0x24 -#define RW_I2 0x28 -#define RW_I3 0x2c -#define RW_I4 0x30 -#define RW_I5 0x34 -#define RW_I6 0x38 -#define RW_I7 0x3c - -/* Stack_frame offsets */ -#define SF_V9_L0 0x00 -#define SF_V9_L1 0x08 -#define SF_V9_L2 0x10 -#define SF_V9_L3 0x18 -#define SF_V9_L4 0x20 -#define SF_V9_L5 0x28 -#define SF_V9_L6 0x30 -#define SF_V9_L7 0x38 -#define SF_V9_I0 0x40 -#define SF_V9_I1 0x48 -#define SF_V9_I2 0x50 -#define SF_V9_I3 0x58 -#define SF_V9_I4 0x60 -#define SF_V9_I5 0x68 -#define SF_V9_FP 0x70 -#define SF_V9_PC 0x78 -#define SF_V9_RETP 0x80 -#define SF_V9_XARG0 0x88 -#define SF_V9_XARG1 0x90 -#define SF_V9_XARG2 0x98 -#define SF_V9_XARG3 0xa0 -#define SF_V9_XARG4 0xa8 -#define SF_V9_XARG5 0xb0 -#define SF_V9_XXARG 0xb8 - -#define SF_L0 0x00 -#define SF_L1 0x04 -#define SF_L2 0x08 -#define SF_L3 0x0c -#define SF_L4 0x10 -#define SF_L5 0x14 -#define SF_L6 0x18 -#define SF_L7 0x1c -#define SF_I0 0x20 -#define SF_I1 0x24 -#define SF_I2 0x28 -#define SF_I3 0x2c -#define SF_I4 0x30 -#define SF_I5 0x34 -#define SF_FP 0x38 -#define SF_PC 0x3c -#define SF_RETP 0x40 -#define SF_XARG0 0x44 -#define SF_XARG1 0x48 -#define SF_XARG2 0x4c -#define SF_XARG3 0x50 -#define SF_XARG4 0x54 -#define SF_XARG5 0x58 -#define SF_XXARG 0x5c - -#ifdef __KERNEL__ - -/* global_reg_snapshot offsets */ -#define GR_SNAP_TSTATE 0x00 -#define GR_SNAP_TPC 0x08 -#define GR_SNAP_TNPC 0x10 -#define GR_SNAP_O7 0x18 -#define GR_SNAP_I7 0x20 -#define GR_SNAP_RPC 0x28 -#define GR_SNAP_THREAD 0x30 -#define GR_SNAP_PAD1 0x38 - -#endif /* __KERNEL__ */ - -/* Stuff for the ptrace system call */ -#define PTRACE_SPARC_DETACH 11 -#define PTRACE_GETREGS 12 -#define PTRACE_SETREGS 13 -#define PTRACE_GETFPREGS 14 -#define PTRACE_SETFPREGS 15 -#define PTRACE_READDATA 16 -#define PTRACE_WRITEDATA 17 -#define PTRACE_READTEXT 18 -#define PTRACE_WRITETEXT 19 -#define PTRACE_GETFPAREGS 20 -#define PTRACE_SETFPAREGS 21 - -/* There are for debugging 64-bit processes, either from a 32 or 64 bit - * parent. Thus their complements are for debugging 32-bit processes only. - */ - -#define PTRACE_GETREGS64 22 -#define PTRACE_SETREGS64 23 -/* PTRACE_SYSCALL is 24 */ -#define PTRACE_GETFPREGS64 25 -#define PTRACE_SETFPREGS64 26 - -#endif /* !(_SPARC64_PTRACE_H) */ diff --git a/arch/sparc/include/asm/reboot.h b/arch/sparc/include/asm/reboot.h deleted file mode 100644 index 3f3f43f5be5..00000000000 --- a/arch/sparc/include/asm/reboot.h +++ /dev/null @@ -1,6 +0,0 @@ -#ifndef _SPARC64_REBOOT_H -#define _SPARC64_REBOOT_H - -extern void machine_alt_power_off(void); - -#endif /* _SPARC64_REBOOT_H */ diff --git a/arch/sparc/include/asm/reg.h b/arch/sparc/include/asm/reg.h deleted file mode 100644 index 0c16e19cae4..00000000000 --- a/arch/sparc/include/asm/reg.h +++ /dev/null @@ -1,8 +0,0 @@ -#ifndef ___ASM_SPARC_REG_H -#define ___ASM_SPARC_REG_H -#if defined(__sparc__) && defined(__arch64__) -#include <asm/reg_64.h> -#else -#include <asm/reg_32.h> -#endif -#endif diff --git a/arch/sparc/include/asm/reg_32.h b/arch/sparc/include/asm/reg_32.h deleted file mode 100644 index 1efb056fb3d..00000000000 --- a/arch/sparc/include/asm/reg_32.h +++ /dev/null @@ -1,79 +0,0 @@ -/* - * linux/include/asm/reg.h - * Layout of the registers as expected by gdb on the Sparc - * we should replace the user.h definitions with those in - * this file, we don't even use the other - * -miguel - * - * The names of the structures, constants and aliases in this file - * have the same names as the sunos ones, some programs rely on these - * names (gdb for example). - * - */ - -#ifndef __SPARC_REG_H -#define __SPARC_REG_H - -struct regs { - int r_psr; -#define r_ps r_psr - int r_pc; - int r_npc; - int r_y; - int r_g1; - int r_g2; - int r_g3; - int r_g4; - int r_g5; - int r_g6; - int r_g7; - int r_o0; - int r_o1; - int r_o2; - int r_o3; - int r_o4; - int r_o5; - int r_o6; - int r_o7; -}; - -struct fpq { - unsigned long *addr; - unsigned long instr; -}; - -struct fq { - union { - double whole; - struct fpq fpq; - } FQu; -}; - -#define FPU_REGS_TYPE unsigned int -#define FPU_FSR_TYPE unsigned - -struct fp_status { - union { - FPU_REGS_TYPE Fpu_regs[32]; - double Fpu_dregs[16]; - } fpu_fr; - FPU_FSR_TYPE Fpu_fsr; - unsigned Fpu_flags; - unsigned Fpu_extra; - unsigned Fpu_qcnt; - struct fq Fpu_q[16]; -}; - -#define fpu_regs f_fpstatus.fpu_fr.Fpu_regs -#define fpu_dregs f_fpstatus.fpu_fr.Fpu_dregs -#define fpu_fsr f_fpstatus.Fpu_fsr -#define fpu_flags f_fpstatus.Fpu_flags -#define fpu_extra f_fpstatus.Fpu_extra -#define fpu_q f_fpstatus.Fpu_q -#define fpu_qcnt f_fpstatus.Fpu_qcnt - -struct fpu { - struct fp_status f_fpstatus; -}; - -#endif /* __SPARC_REG_H */ diff --git a/arch/sparc/include/asm/reg_64.h b/arch/sparc/include/asm/reg_64.h deleted file mode 100644 index 6f277d7c7d8..00000000000 --- a/arch/sparc/include/asm/reg_64.h +++ /dev/null @@ -1,56 +0,0 @@ -/* - * linux/asm/reg.h - * Layout of the registers as expected by gdb on the Sparc - * we should replace the user.h definitions with those in - * this file, we don't even use the other - * -miguel - * - * The names of the structures, constants and aliases in this file - * have the same names as the sunos ones, some programs rely on these - * names (gdb for example). - * - */ - -#ifndef __SPARC64_REG_H -#define __SPARC64_REG_H - -struct regs { - unsigned long r_g1; - unsigned long r_g2; - unsigned long r_g3; - unsigned long r_g4; - unsigned long r_g5; - unsigned long r_g6; - unsigned long r_g7; - unsigned long r_o0; - unsigned long r_o1; - unsigned long r_o2; - unsigned long r_o3; - unsigned long r_o4; - unsigned long r_o5; - unsigned long r_o6; - unsigned long r_o7; - unsigned long __pad; - unsigned long r_tstate; - unsigned long r_tpc; - unsigned long r_tnpc; - unsigned int r_y; - unsigned int r_fprs; -}; - -#define FPU_REGS_TYPE unsigned int -#define FPU_FSR_TYPE unsigned long - -struct fp_status { - unsigned long fpu_fr[32]; - unsigned long Fpu_fsr; -}; - -struct fpu { - struct fp_status f_fpstatus; -}; - -#define fpu_regs f_fpstatus.fpu_fr -#define fpu_fsr f_fpstatus.Fpu_fsr - -#endif /* __SPARC64_REG_H */ diff --git a/arch/sparc/include/asm/resource.h b/arch/sparc/include/asm/resource.h deleted file mode 100644 index fe163cafb4c..00000000000 --- a/arch/sparc/include/asm/resource.h +++ /dev/null @@ -1,30 +0,0 @@ -/* - * resource.h: Resource definitions. - * - * Copyright (C) 1995,1996 David S. Miller (davem@caip.rutgers.edu) - */ - -#ifndef _SPARC_RESOURCE_H -#define _SPARC_RESOURCE_H - -/* - * These two resource limit IDs have a Sparc/Linux-specific ordering, - * the rest comes from the generic header: - */ -#define RLIMIT_NOFILE 6 /* max number of open files */ -#define RLIMIT_NPROC 7 /* max number of processes */ - -#if defined(__sparc__) && defined(__arch64__) -/* Use generic version */ -#else -/* - * SuS says limits have to be unsigned. - * We make this unsigned, but keep the - * old value for compatibility: - */ -#define RLIM_INFINITY 0x7fffffff -#endif - -#include <asm-generic/resource.h> - -#endif /* !(_SPARC_RESOURCE_H) */ diff --git a/arch/sparc/include/asm/rtc.h b/arch/sparc/include/asm/rtc.h deleted file mode 100644 index f9ecb1fe2ec..00000000000 --- a/arch/sparc/include/asm/rtc.h +++ /dev/null @@ -1,26 +0,0 @@ -/* - * rtc.h: Definitions for access to the Mostek real time clock - * - * Copyright (C) 1996 Thomas K. Dyas (tdyas@eden.rutgers.edu) - */ - -#ifndef _RTC_H -#define _RTC_H - -#include <linux/ioctl.h> - -struct rtc_time -{ - int sec; /* Seconds (0-59) */ - int min; /* Minutes (0-59) */ - int hour; /* Hour (0-23) */ - int dow; /* Day of the week (1-7) */ - int dom; /* Day of the month (1-31) */ - int month; /* Month of year (1-12) */ - int year; /* Year (0-99) */ -}; - -#define RTCGET _IOR('p', 20, struct rtc_time) -#define RTCSET _IOW('p', 21, struct rtc_time) - -#endif diff --git a/arch/sparc/include/asm/rwsem-const.h b/arch/sparc/include/asm/rwsem-const.h deleted file mode 100644 index a303c9d64d8..00000000000 --- a/arch/sparc/include/asm/rwsem-const.h +++ /dev/null @@ -1,12 +0,0 @@ -/* rwsem-const.h: RW semaphore counter constants. */ -#ifndef _SPARC64_RWSEM_CONST_H -#define _SPARC64_RWSEM_CONST_H - -#define RWSEM_UNLOCKED_VALUE 0x00000000 -#define RWSEM_ACTIVE_BIAS 0x00000001 -#define RWSEM_ACTIVE_MASK 0x0000ffff -#define RWSEM_WAITING_BIAS 0xffff0000 -#define RWSEM_ACTIVE_READ_BIAS RWSEM_ACTIVE_BIAS -#define RWSEM_ACTIVE_WRITE_BIAS (RWSEM_WAITING_BIAS + RWSEM_ACTIVE_BIAS) - -#endif /* _SPARC64_RWSEM_CONST_H */ diff --git a/arch/sparc/include/asm/rwsem.h b/arch/sparc/include/asm/rwsem.h index 1dc129ac2fe..069bf4d663a 100644 --- a/arch/sparc/include/asm/rwsem.h +++ b/arch/sparc/include/asm/rwsem.h @@ -13,70 +13,110 @@ #ifdef __KERNEL__ -#include <linux/list.h> -#include <linux/spinlock.h> -#include <asm/rwsem-const.h> - -struct rwsem_waiter; - -struct rw_semaphore { - signed int count; - spinlock_t wait_lock; - struct list_head wait_list; -#ifdef CONFIG_DEBUG_LOCK_ALLOC - struct lockdep_map dep_map; -#endif -}; +#define RWSEM_UNLOCKED_VALUE 0x00000000L +#define RWSEM_ACTIVE_BIAS 0x00000001L +#define RWSEM_ACTIVE_MASK 0xffffffffL +#define RWSEM_WAITING_BIAS (-RWSEM_ACTIVE_MASK-1) +#define RWSEM_ACTIVE_READ_BIAS RWSEM_ACTIVE_BIAS +#define RWSEM_ACTIVE_WRITE_BIAS (RWSEM_WAITING_BIAS + RWSEM_ACTIVE_BIAS) -#ifdef CONFIG_DEBUG_LOCK_ALLOC -# define __RWSEM_DEP_MAP_INIT(lockname) , .dep_map = { .name = #lockname } -#else -# define __RWSEM_DEP_MAP_INIT(lockname) -#endif +/* + * lock for reading + */ +static inline void __down_read(struct rw_semaphore *sem) +{ + if (unlikely(atomic64_inc_return((atomic64_t *)(&sem->count)) <= 0L)) + rwsem_down_read_failed(sem); +} -#define __RWSEM_INITIALIZER(name) \ -{ RWSEM_UNLOCKED_VALUE, SPIN_LOCK_UNLOCKED, LIST_HEAD_INIT((name).wait_list) \ - __RWSEM_DEP_MAP_INIT(name) } +static inline int __down_read_trylock(struct rw_semaphore *sem) +{ + long tmp; + + while ((tmp = sem->count) >= 0L) { + if (tmp == cmpxchg(&sem->count, tmp, + tmp + RWSEM_ACTIVE_READ_BIAS)) { + return 1; + } + } + return 0; +} -#define DECLARE_RWSEM(name) \ - struct rw_semaphore name = __RWSEM_INITIALIZER(name) +/* + * lock for writing + */ +static inline void __down_write_nested(struct rw_semaphore *sem, int subclass) +{ + long tmp; -extern void __init_rwsem(struct rw_semaphore *sem, const char *name, - struct lock_class_key *key); + tmp = atomic64_add_return(RWSEM_ACTIVE_WRITE_BIAS, + (atomic64_t *)(&sem->count)); + if (unlikely(tmp != RWSEM_ACTIVE_WRITE_BIAS)) + rwsem_down_write_failed(sem); +} -#define init_rwsem(sem) \ -do { \ - static struct lock_class_key __key; \ - \ - __init_rwsem((sem), #sem, &__key); \ -} while (0) +static inline void __down_write(struct rw_semaphore *sem) +{ + __down_write_nested(sem, 0); +} -extern void __down_read(struct rw_semaphore *sem); -extern int __down_read_trylock(struct rw_semaphore *sem); -extern void __down_write(struct rw_semaphore *sem); -extern int __down_write_trylock(struct rw_semaphore *sem); -extern void __up_read(struct rw_semaphore *sem); -extern void __up_write(struct rw_semaphore *sem); -extern void __downgrade_write(struct rw_semaphore *sem); +static inline int __down_write_trylock(struct rw_semaphore *sem) +{ + long tmp; -static inline void __down_write_nested(struct rw_semaphore *sem, int subclass) + tmp = cmpxchg(&sem->count, RWSEM_UNLOCKED_VALUE, + RWSEM_ACTIVE_WRITE_BIAS); + return tmp == RWSEM_UNLOCKED_VALUE; +} + +/* + * unlock after reading + */ +static inline void __up_read(struct rw_semaphore *sem) { - __down_write(sem); + long tmp; + + tmp = atomic64_dec_return((atomic64_t *)(&sem->count)); + if (unlikely(tmp < -1L && (tmp & RWSEM_ACTIVE_MASK) == 0L)) + rwsem_wake(sem); } -static inline int rwsem_atomic_update(int delta, struct rw_semaphore *sem) +/* + * unlock after writing + */ +static inline void __up_write(struct rw_semaphore *sem) { - return atomic_add_return(delta, (atomic_t *)(&sem->count)); + if (unlikely(atomic64_sub_return(RWSEM_ACTIVE_WRITE_BIAS, + (atomic64_t *)(&sem->count)) < 0L)) + rwsem_wake(sem); } -static inline void rwsem_atomic_add(int delta, struct rw_semaphore *sem) +/* + * implement atomic add functionality + */ +static inline void rwsem_atomic_add(long delta, struct rw_semaphore *sem) { - atomic_add(delta, (atomic_t *)(&sem->count)); + atomic64_add(delta, (atomic64_t *)(&sem->count)); } -static inline int rwsem_is_locked(struct rw_semaphore *sem) +/* + * downgrade write lock to read lock + */ +static inline void __downgrade_write(struct rw_semaphore *sem) +{ + long tmp; + + tmp = atomic64_add_return(-RWSEM_WAITING_BIAS, (atomic64_t *)(&sem->count)); + if (tmp < 0L) + rwsem_downgrade_wake(sem); +} + +/* + * implement exchange and add functionality + */ +static inline long rwsem_atomic_update(long delta, struct rw_semaphore *sem) { - return (sem->count != 0); + return atomic64_add_return(delta, (atomic64_t *)(&sem->count)); } #endif /* __KERNEL__ */ diff --git a/arch/sparc/include/asm/sbus.h b/arch/sparc/include/asm/sbus.h deleted file mode 100644 index f82481ab44d..00000000000 --- a/arch/sparc/include/asm/sbus.h +++ /dev/null @@ -1,8 +0,0 @@ -#ifndef ___ASM_SPARC_SBUS_H -#define ___ASM_SPARC_SBUS_H -#if defined(__sparc__) && defined(__arch64__) -#include <asm/sbus_64.h> -#else -#include <asm/sbus_32.h> -#endif -#endif diff --git a/arch/sparc/include/asm/sbus_32.h b/arch/sparc/include/asm/sbus_32.h deleted file mode 100644 index a7b4fa21931..00000000000 --- a/arch/sparc/include/asm/sbus_32.h +++ /dev/null @@ -1,153 +0,0 @@ -/* - * sbus.h: Defines for the Sun SBus. - * - * Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu) - */ - -#ifndef _SPARC_SBUS_H -#define _SPARC_SBUS_H - -#include <linux/dma-mapping.h> -#include <linux/ioport.h> -#include <linux/of_device.h> - -#include <asm/oplib.h> -#include <asm/prom.h> -#include <asm/scatterlist.h> - -/* We scan which devices are on the SBus using the PROM node device - * tree. SBus devices are described in two different ways. You can - * either get an absolute address at which to access the device, or - * you can get a SBus 'slot' number and an offset within that slot. - */ - -/* The base address at which to calculate device OBIO addresses. */ -#define SUN_SBUS_BVADDR 0xf8000000 -#define SBUS_OFF_MASK 0x01ffffff - -/* These routines are used to calculate device address from slot - * numbers + offsets, and vice versa. - */ - -static inline unsigned long sbus_devaddr(int slotnum, unsigned long offset) -{ - return (unsigned long) (SUN_SBUS_BVADDR+((slotnum)<<25)+(offset)); -} - -static inline int sbus_dev_slot(unsigned long dev_addr) -{ - return (int) (((dev_addr)-SUN_SBUS_BVADDR)>>25); -} - -struct sbus_bus; - -/* Linux SBUS device tables */ -struct sbus_dev { - struct of_device ofdev; - struct sbus_bus *bus; - struct sbus_dev *next; - struct sbus_dev *child; - struct sbus_dev *parent; - int prom_node; - char prom_name[64]; - int slot; - - struct resource resource[PROMREG_MAX]; - - struct linux_prom_registers reg_addrs[PROMREG_MAX]; - int num_registers; - - struct linux_prom_ranges device_ranges[PROMREG_MAX]; - int num_device_ranges; - - unsigned int irqs[4]; - int num_irqs; -}; -#define to_sbus_device(d) container_of(d, struct sbus_dev, ofdev.dev) - -/* This struct describes the SBus(s) found on this machine. */ -struct sbus_bus { - struct of_device ofdev; - struct sbus_dev *devices; /* Link to devices on this SBus */ - struct sbus_bus *next; /* next SBus, if more than one SBus */ - int prom_node; /* PROM device tree node for this SBus */ - char prom_name[64]; /* Usually "sbus" or "sbi" */ - int clock_freq; - - struct linux_prom_ranges sbus_ranges[PROMREG_MAX]; - int num_sbus_ranges; - - int devid; - int board; -}; -#define to_sbus(d) container_of(d, struct sbus_bus, ofdev.dev) - -extern struct sbus_bus *sbus_root; - -static inline int -sbus_is_slave(struct sbus_dev *dev) -{ - /* XXX Have to write this for sun4c's */ - return 0; -} - -/* Device probing routines could find these handy */ -#define for_each_sbus(bus) \ - for((bus) = sbus_root; (bus); (bus)=(bus)->next) - -#define for_each_sbusdev(device, bus) \ - for((device) = (bus)->devices; (device); (device)=(device)->next) - -#define for_all_sbusdev(device, bus) \ - for ((bus) = sbus_root; (bus); (bus) = (bus)->next) \ - for ((device) = (bus)->devices; (device); (device) = (device)->next) - -/* Driver DVMA interfaces. */ -#define sbus_can_dma_64bit(sdev) (0) /* actually, sparc_cpu_model==sun4d */ -#define sbus_can_burst64(sdev) (0) /* actually, sparc_cpu_model==sun4d */ -extern void sbus_set_sbus64(struct sbus_dev *, int); -extern void sbus_fill_device_irq(struct sbus_dev *); - -/* These yield IOMMU mappings in consistent mode. */ -extern void *sbus_alloc_consistent(struct sbus_dev *, long, u32 *dma_addrp); -extern void sbus_free_consistent(struct sbus_dev *, long, void *, u32); -void prom_adjust_ranges(struct linux_prom_ranges *, int, - struct linux_prom_ranges *, int); - -#define SBUS_DMA_BIDIRECTIONAL DMA_BIDIRECTIONAL -#define SBUS_DMA_TODEVICE DMA_TO_DEVICE -#define SBUS_DMA_FROMDEVICE DMA_FROM_DEVICE -#define SBUS_DMA_NONE DMA_NONE - -/* All the rest use streaming mode mappings. */ -extern dma_addr_t sbus_map_single(struct sbus_dev *, void *, size_t, int); -extern void sbus_unmap_single(struct sbus_dev *, dma_addr_t, size_t, int); -extern int sbus_map_sg(struct sbus_dev *, struct scatterlist *, int, int); -extern void sbus_unmap_sg(struct sbus_dev *, struct scatterlist *, int, int); - -/* Finally, allow explicit synchronization of streamable mappings. */ -extern void sbus_dma_sync_single_for_cpu(struct sbus_dev *, dma_addr_t, size_t, int); -#define sbus_dma_sync_single sbus_dma_sync_single_for_cpu -extern void sbus_dma_sync_single_for_device(struct sbus_dev *, dma_addr_t, size_t, int); -extern void sbus_dma_sync_sg_for_cpu(struct sbus_dev *, struct scatterlist *, int, int); -#define sbus_dma_sync_sg sbus_dma_sync_sg_for_cpu -extern void sbus_dma_sync_sg_for_device(struct sbus_dev *, struct scatterlist *, int, int); - -/* Eric Brower (ebrower@usa.net) - * Translate SBus interrupt levels to ino values-- - * this is used when converting sbus "interrupts" OBP - * node values to "intr" node values, and is platform - * dependent. If only we could call OBP with - * "sbus-intr>cpu (sbint -- ino)" from kernel... - * See .../drivers/sbus/sbus.c for details. - */ -BTFIXUPDEF_CALL(unsigned int, sbint_to_irq, struct sbus_dev *sdev, unsigned int) -#define sbint_to_irq(sdev, sbint) BTFIXUP_CALL(sbint_to_irq)(sdev, sbint) - -extern void sbus_arch_bus_ranges_init(struct device_node *, struct sbus_bus *); -extern void sbus_setup_iommu(struct sbus_bus *, struct device_node *); -extern void sbus_setup_arch_props(struct sbus_bus *, struct device_node *); -extern int sbus_arch_preinit(void); -extern void sbus_arch_postinit(void); - -#endif /* !(_SPARC_SBUS_H) */ diff --git a/arch/sparc/include/asm/sbus_64.h b/arch/sparc/include/asm/sbus_64.h deleted file mode 100644 index b606c14343f..00000000000 --- a/arch/sparc/include/asm/sbus_64.h +++ /dev/null @@ -1,190 +0,0 @@ -/* sbus.h: Defines for the Sun SBus. - * - * Copyright (C) 1996, 1999, 2007 David S. Miller (davem@davemloft.net) - */ - -#ifndef _SPARC64_SBUS_H -#define _SPARC64_SBUS_H - -#include <linux/dma-mapping.h> -#include <linux/ioport.h> -#include <linux/of_device.h> - -#include <asm/oplib.h> -#include <asm/prom.h> -#include <asm/iommu.h> -#include <asm/scatterlist.h> - -/* We scan which devices are on the SBus using the PROM node device - * tree. SBus devices are described in two different ways. You can - * either get an absolute address at which to access the device, or - * you can get a SBus 'slot' number and an offset within that slot. - */ - -/* The base address at which to calculate device OBIO addresses. */ -#define SUN_SBUS_BVADDR 0x00000000 -#define SBUS_OFF_MASK 0x0fffffff - -/* These routines are used to calculate device address from slot - * numbers + offsets, and vice versa. - */ - -static inline unsigned long sbus_devaddr(int slotnum, unsigned long offset) -{ - return (unsigned long) (SUN_SBUS_BVADDR+((slotnum)<<28)+(offset)); -} - -static inline int sbus_dev_slot(unsigned long dev_addr) -{ - return (int) (((dev_addr)-SUN_SBUS_BVADDR)>>28); -} - -struct sbus_bus; - -/* Linux SBUS device tables */ -struct sbus_dev { - struct of_device ofdev; - struct sbus_bus *bus; - struct sbus_dev *next; - struct sbus_dev *child; - struct sbus_dev *parent; - int prom_node; - char prom_name[64]; - int slot; - - struct resource resource[PROMREG_MAX]; - - struct linux_prom_registers reg_addrs[PROMREG_MAX]; - int num_registers; - - struct linux_prom_ranges device_ranges[PROMREG_MAX]; - int num_device_ranges; - - unsigned int irqs[4]; - int num_irqs; -}; -#define to_sbus_device(d) container_of(d, struct sbus_dev, ofdev.dev) - -/* This struct describes the SBus(s) found on this machine. */ -struct sbus_bus { - struct of_device ofdev; - struct sbus_dev *devices; /* Tree of SBUS devices */ - struct sbus_bus *next; /* Next SBUS in system */ - int prom_node; /* OBP node of SBUS */ - char prom_name[64]; /* Usually "sbus" or "sbi" */ - int clock_freq; - - struct linux_prom_ranges sbus_ranges[PROMREG_MAX]; - int num_sbus_ranges; - - int portid; -}; -#define to_sbus(d) container_of(d, struct sbus_bus, ofdev.dev) - -extern struct sbus_bus *sbus_root; - -/* Device probing routines could find these handy */ -#define for_each_sbus(bus) \ - for((bus) = sbus_root; (bus); (bus)=(bus)->next) - -#define for_each_sbusdev(device, bus) \ - for((device) = (bus)->devices; (device); (device)=(device)->next) - -#define for_all_sbusdev(device, bus) \ - for ((bus) = sbus_root; (bus); (bus) = (bus)->next) \ - for ((device) = (bus)->devices; (device); (device) = (device)->next) - -/* Driver DVMA interfaces. */ -#define sbus_can_dma_64bit(sdev) (1) -#define sbus_can_burst64(sdev) (1) -extern void sbus_set_sbus64(struct sbus_dev *, int); -extern void sbus_fill_device_irq(struct sbus_dev *); - -static inline void *sbus_alloc_consistent(struct sbus_dev *sdev , size_t size, - dma_addr_t *dma_handle) -{ - return dma_alloc_coherent(&sdev->ofdev.dev, size, - dma_handle, GFP_ATOMIC); -} - -static inline void sbus_free_consistent(struct sbus_dev *sdev, size_t size, - void *vaddr, dma_addr_t dma_handle) -{ - return dma_free_coherent(&sdev->ofdev.dev, size, vaddr, dma_handle); -} - -#define SBUS_DMA_BIDIRECTIONAL DMA_BIDIRECTIONAL -#define SBUS_DMA_TODEVICE DMA_TO_DEVICE -#define SBUS_DMA_FROMDEVICE DMA_FROM_DEVICE -#define SBUS_DMA_NONE DMA_NONE - -/* All the rest use streaming mode mappings. */ -static inline dma_addr_t sbus_map_single(struct sbus_dev *sdev, void *ptr, - size_t size, int direction) -{ - return dma_map_single(&sdev->ofdev.dev, ptr, size, - (enum dma_data_direction) direction); -} - -static inline void sbus_unmap_single(struct sbus_dev *sdev, - dma_addr_t dma_addr, size_t size, - int direction) -{ - dma_unmap_single(&sdev->ofdev.dev, dma_addr, size, - (enum dma_data_direction) direction); -} - -static inline int sbus_map_sg(struct sbus_dev *sdev, struct scatterlist *sg, - int nents, int direction) -{ - return dma_map_sg(&sdev->ofdev.dev, sg, nents, - (enum dma_data_direction) direction); -} - -static inline void sbus_unmap_sg(struct sbus_dev *sdev, struct scatterlist *sg, - int nents, int direction) -{ - dma_unmap_sg(&sdev->ofdev.dev, sg, nents, - (enum dma_data_direction) direction); -} - -/* Finally, allow explicit synchronization of streamable mappings. */ -static inline void sbus_dma_sync_single_for_cpu(struct sbus_dev *sdev, - dma_addr_t dma_handle, - size_t size, int direction) -{ - dma_sync_single_for_cpu(&sdev->ofdev.dev, dma_handle, size, - (enum dma_data_direction) direction); -} -#define sbus_dma_sync_single sbus_dma_sync_single_for_cpu - -static inline void sbus_dma_sync_single_for_device(struct sbus_dev *sdev, - dma_addr_t dma_handle, - size_t size, int direction) -{ - /* No flushing needed to sync cpu writes to the device. */ -} - -static inline void sbus_dma_sync_sg_for_cpu(struct sbus_dev *sdev, - struct scatterlist *sg, - int nents, int direction) -{ - dma_sync_sg_for_cpu(&sdev->ofdev.dev, sg, nents, - (enum dma_data_direction) direction); -} -#define sbus_dma_sync_sg sbus_dma_sync_sg_for_cpu - -static inline void sbus_dma_sync_sg_for_device(struct sbus_dev *sdev, - struct scatterlist *sg, - int nents, int direction) -{ - /* No flushing needed to sync cpu writes to the device. */ -} - -extern void sbus_arch_bus_ranges_init(struct device_node *, struct sbus_bus *); -extern void sbus_setup_iommu(struct sbus_bus *, struct device_node *); -extern void sbus_setup_arch_props(struct sbus_bus *, struct device_node *); -extern int sbus_arch_preinit(void); -extern void sbus_arch_postinit(void); - -#endif /* !(_SPARC64_SBUS_H) */ diff --git a/arch/sparc/include/asm/scatterlist.h b/arch/sparc/include/asm/scatterlist.h index ec21a451764..92bb638313f 100644 --- a/arch/sparc/include/asm/scatterlist.h +++ b/arch/sparc/include/asm/scatterlist.h @@ -1,8 +1,8 @@ -#ifndef ___ASM_SPARC_SCATTERLIST_H -#define ___ASM_SPARC_SCATTERLIST_H -#if defined(__sparc__) && defined(__arch64__) -#include <asm/scatterlist_64.h> -#else -#include <asm/scatterlist_32.h> -#endif -#endif +#ifndef _SPARC_SCATTERLIST_H +#define _SPARC_SCATTERLIST_H + +#include <asm-generic/scatterlist.h> + +#define ARCH_HAS_SG_CHAIN + +#endif /* !(_SPARC_SCATTERLIST_H) */ diff --git a/arch/sparc/include/asm/scatterlist_32.h b/arch/sparc/include/asm/scatterlist_32.h deleted file mode 100644 index c82609ca1d0..00000000000 --- a/arch/sparc/include/asm/scatterlist_32.h +++ /dev/null @@ -1,26 +0,0 @@ -#ifndef _SPARC_SCATTERLIST_H -#define _SPARC_SCATTERLIST_H - -#include <linux/types.h> - -struct scatterlist { -#ifdef CONFIG_DEBUG_SG - unsigned long sg_magic; -#endif - unsigned long page_link; - unsigned int offset; - - unsigned int length; - - __u32 dvma_address; /* A place to hang host-specific addresses at. */ - __u32 dvma_length; -}; - -#define sg_dma_address(sg) ((sg)->dvma_address) -#define sg_dma_len(sg) ((sg)->dvma_length) - -#define ISA_DMA_THRESHOLD (~0UL) - -#define ARCH_HAS_SG_CHAIN - -#endif /* !(_SPARC_SCATTERLIST_H) */ diff --git a/arch/sparc/include/asm/scatterlist_64.h b/arch/sparc/include/asm/scatterlist_64.h deleted file mode 100644 index 81bd058f938..00000000000 --- a/arch/sparc/include/asm/scatterlist_64.h +++ /dev/null @@ -1,27 +0,0 @@ -#ifndef _SPARC64_SCATTERLIST_H -#define _SPARC64_SCATTERLIST_H - -#include <asm/page.h> -#include <asm/types.h> - -struct scatterlist { -#ifdef CONFIG_DEBUG_SG - unsigned long sg_magic; -#endif - unsigned long page_link; - unsigned int offset; - - unsigned int length; - - dma_addr_t dma_address; - __u32 dma_length; -}; - -#define sg_dma_address(sg) ((sg)->dma_address) -#define sg_dma_len(sg) ((sg)->dma_length) - -#define ISA_DMA_THRESHOLD (~0UL) - -#define ARCH_HAS_SG_CHAIN - -#endif /* !(_SPARC64_SCATTERLIST_H) */ diff --git a/arch/sparc/include/asm/seccomp.h b/arch/sparc/include/asm/seccomp.h index 7fcd9968192..adca1bce41d 100644 --- a/arch/sparc/include/asm/seccomp.h +++ b/arch/sparc/include/asm/seccomp.h @@ -1,11 +1,5 @@ #ifndef _ASM_SECCOMP_H -#include <linux/thread_info.h> /* already defines TIF_32BIT */ - -#ifndef TIF_32BIT -#error "unexpected TIF_32BIT on sparc64" -#endif - #include <linux/unistd.h> #define __NR_seccomp_read __NR_read diff --git a/arch/sparc/include/asm/sections.h b/arch/sparc/include/asm/sections.h index c7c69b00967..f300d1a9b2b 100644 --- a/arch/sparc/include/asm/sections.h +++ b/arch/sparc/include/asm/sections.h @@ -1,8 +1,13 @@ -#ifndef ___ASM_SPARC_SECTIONS_H -#define ___ASM_SPARC_SECTIONS_H -#if defined(__sparc__) && defined(__arch64__) -#include <asm/sections_64.h> -#else -#include <asm/sections_32.h> -#endif +#ifndef __SPARC_SECTIONS_H +#define __SPARC_SECTIONS_H + +/* nothing to see, move along */ +#include <asm-generic/sections.h> + +/* sparc entry point */ +extern char _start[]; + +extern char __leon_1insn_patch[]; +extern char __leon_1insn_patch_end[]; + #endif diff --git a/arch/sparc/include/asm/sections_32.h b/arch/sparc/include/asm/sections_32.h deleted file mode 100644 index 6832841df05..00000000000 --- a/arch/sparc/include/asm/sections_32.h +++ /dev/null @@ -1,6 +0,0 @@ -#ifndef _SPARC_SECTIONS_H -#define _SPARC_SECTIONS_H - -#include <asm-generic/sections.h> - -#endif diff --git a/arch/sparc/include/asm/sections_64.h b/arch/sparc/include/asm/sections_64.h deleted file mode 100644 index 3f4b9fdc28d..00000000000 --- a/arch/sparc/include/asm/sections_64.h +++ /dev/null @@ -1,9 +0,0 @@ -#ifndef _SPARC64_SECTIONS_H -#define _SPARC64_SECTIONS_H - -/* nothing to see, move along */ -#include <asm-generic/sections.h> - -extern char _start[]; - -#endif diff --git a/arch/sparc/include/asm/sembuf.h b/arch/sparc/include/asm/sembuf.h deleted file mode 100644 index faee1be08d6..00000000000 --- a/arch/sparc/include/asm/sembuf.h +++ /dev/null @@ -1,31 +0,0 @@ -#ifndef _SPARC_SEMBUF_H -#define _SPARC_SEMBUF_H - -/* - * The semid64_ds structure for sparc architecture. - * Note extra padding because this structure is passed back and forth - * between kernel and user space. - * - * Pad space is left for: - * - 64-bit time_t to solve y2038 problem - * - 2 miscellaneous 32-bit values - */ -#if defined(__sparc__) && defined(__arch64__) -# define PADDING(x) -#else -# define PADDING(x) unsigned int x; -#endif - -struct semid64_ds { - struct ipc64_perm sem_perm; /* permissions .. see ipc.h */ - PADDING(__pad1) - __kernel_time_t sem_otime; /* last semop time */ - PADDING(__pad2) - __kernel_time_t sem_ctime; /* last change time */ - unsigned long sem_nsems; /* no. of semaphores in array */ - unsigned long __unused1; - unsigned long __unused2; -}; -#undef PADDING - -#endif /* _SPARC64_SEMBUF_H */ diff --git a/arch/sparc/include/asm/setup.h b/arch/sparc/include/asm/setup.h index 2643c62f4ac..f5fffd84d0d 100644 --- a/arch/sparc/include/asm/setup.h +++ b/arch/sparc/include/asm/setup.h @@ -1,14 +1,66 @@ /* * Just a place holder. */ - #ifndef _SPARC_SETUP_H #define _SPARC_SETUP_H -#if defined(__sparc__) && defined(__arch64__) -# define COMMAND_LINE_SIZE 2048 -#else -# define COMMAND_LINE_SIZE 256 +#include <linux/interrupt.h> + +#include <uapi/asm/setup.h> + +extern char reboot_command[]; + +#ifdef CONFIG_SPARC32 +/* The CPU that was used for booting + * Only sun4d + leon may have boot_cpu_id != 0 + */ +extern unsigned char boot_cpu_id; + +extern unsigned long empty_zero_page; + +extern int serial_console; +static inline int con_is_present(void) +{ + return serial_console ? 0 : 1; +} + +/* from irq_32.c */ +extern volatile unsigned char *fdc_status; +extern char *pdma_vaddr; +extern unsigned long pdma_size; +extern volatile int doing_pdma; + +/* This is software state */ +extern char *pdma_base; +extern unsigned long pdma_areasize; + +int sparc_floppy_request_irq(unsigned int irq, irq_handler_t irq_handler); + +/* setup_32.c */ +extern unsigned long cmdline_memory_size; + +/* devices.c */ +void __init device_scan(void); + +/* unaligned_32.c */ +unsigned long safe_compute_effective_address(struct pt_regs *, unsigned int); + #endif +#ifdef CONFIG_SPARC64 +/* unaligned_64.c */ +int handle_ldf_stq(u32 insn, struct pt_regs *regs); +void handle_ld_nf(u32 insn, struct pt_regs *regs); + +/* init_64.c */ +extern atomic_t dcpage_flushes; +extern atomic_t dcpage_flushes_xcall; + +extern int sysctl_tsb_ratio; +#endif + +void sun_do_break(void); +extern int stop_a_enabled; +extern int scons_pwroff; + #endif /* _SPARC_SETUP_H */ diff --git a/arch/sparc/include/asm/sfp-machine_32.h b/arch/sparc/include/asm/sfp-machine_32.h index 01d9c3b5a73..838c9d58f3b 100644 --- a/arch/sparc/include/asm/sfp-machine_32.h +++ b/arch/sparc/include/asm/sfp-machine_32.h @@ -79,9 +79,9 @@ __asm__ ("addcc %r7,%8,%2\n\t" \ "addxcc %r5,%6,%1\n\t" \ "addx %r3,%4,%0\n" \ - : "=r" ((USItype)(r2)), \ - "=&r" ((USItype)(r1)), \ - "=&r" ((USItype)(r0)) \ + : "=r" (r2), \ + "=&r" (r1), \ + "=&r" (r0) \ : "%rJ" ((USItype)(x2)), \ "rI" ((USItype)(y2)), \ "%rJ" ((USItype)(x1)), \ @@ -94,9 +94,9 @@ __asm__ ("subcc %r7,%8,%2\n\t" \ "subxcc %r5,%6,%1\n\t" \ "subx %r3,%4,%0\n" \ - : "=r" ((USItype)(r2)), \ - "=&r" ((USItype)(r1)), \ - "=&r" ((USItype)(r0)) \ + : "=r" (r2), \ + "=&r" (r1), \ + "=&r" (r0) \ : "%rJ" ((USItype)(x2)), \ "rI" ((USItype)(y2)), \ "%rJ" ((USItype)(x1)), \ @@ -115,8 +115,8 @@ "addxcc %r6,%7,%0\n\t" \ "addxcc %r4,%5,%%g2\n\t" \ "addx %r2,%3,%%g1\n\t" \ - : "=&r" ((USItype)(r1)), \ - "=&r" ((USItype)(r0)) \ + : "=&r" (r1), \ + "=&r" (r0) \ : "%rJ" ((USItype)(x3)), \ "rI" ((USItype)(y3)), \ "%rJ" ((USItype)(x2)), \ @@ -140,8 +140,8 @@ "subxcc %r6,%7,%0\n\t" \ "subxcc %r4,%5,%%g2\n\t" \ "subx %r2,%3,%%g1\n\t" \ - : "=&r" ((USItype)(r1)), \ - "=&r" ((USItype)(r0)) \ + : "=&r" (r1), \ + "=&r" (r0) \ : "%rJ" ((USItype)(x3)), \ "rI" ((USItype)(y3)), \ "%rJ" ((USItype)(x2)), \ @@ -164,10 +164,10 @@ "addxcc %2,%%g0,%2\n\t" \ "addxcc %1,%%g0,%1\n\t" \ "addx %0,%%g0,%0\n\t" \ - : "=&r" ((USItype)(x3)), \ - "=&r" ((USItype)(x2)), \ - "=&r" ((USItype)(x1)), \ - "=&r" ((USItype)(x0)) \ + : "=&r" (x3), \ + "=&r" (x2), \ + "=&r" (x1), \ + "=&r" (x0) \ : "rI" ((USItype)(i)), \ "0" ((USItype)(x3)), \ "1" ((USItype)(x2)), \ diff --git a/arch/sparc/include/asm/shmbuf.h b/arch/sparc/include/asm/shmbuf.h deleted file mode 100644 index 83a16055363..00000000000 --- a/arch/sparc/include/asm/shmbuf.h +++ /dev/null @@ -1,50 +0,0 @@ -#ifndef _SPARC_SHMBUF_H -#define _SPARC_SHMBUF_H - -/* - * The shmid64_ds structure for sparc architecture. - * Note extra padding because this structure is passed back and forth - * between kernel and user space. - * - * Pad space is left for: - * - 64-bit time_t to solve y2038 problem - * - 2 miscellaneous 32-bit values - */ - -#if defined(__sparc__) && defined(__arch64__) -# define PADDING(x) -#else -# define PADDING(x) unsigned int x; -#endif - -struct shmid64_ds { - struct ipc64_perm shm_perm; /* operation perms */ - PADDING(__pad1) - __kernel_time_t shm_atime; /* last attach time */ - PADDING(__pad2) - __kernel_time_t shm_dtime; /* last detach time */ - PADDING(__pad3) - __kernel_time_t shm_ctime; /* last change time */ - size_t shm_segsz; /* size of segment (bytes) */ - __kernel_pid_t shm_cpid; /* pid of creator */ - __kernel_pid_t shm_lpid; /* pid of last operator */ - unsigned long shm_nattch; /* no. of current attaches */ - unsigned long __unused1; - unsigned long __unused2; -}; - -struct shminfo64 { - unsigned long shmmax; - unsigned long shmmin; - unsigned long shmmni; - unsigned long shmseg; - unsigned long shmall; - unsigned long __unused1; - unsigned long __unused2; - unsigned long __unused3; - unsigned long __unused4; -}; - -#undef PADDING - -#endif /* _SPARC_SHMBUF_H */ diff --git a/arch/sparc/include/asm/shmparam_32.h b/arch/sparc/include/asm/shmparam_32.h index 59a1243c12f..142825c8d3a 100644 --- a/arch/sparc/include/asm/shmparam_32.h +++ b/arch/sparc/include/asm/shmparam_32.h @@ -4,8 +4,6 @@ #define __ARCH_FORCE_SHMLBA 1 extern int vac_cache_size; -#define SHMLBA (vac_cache_size ? vac_cache_size : \ - (sparc_cpu_model == sun4c ? (64 * 1024) : \ - (sparc_cpu_model == sun4 ? (128 * 1024) : PAGE_SIZE))) +#define SHMLBA (vac_cache_size ? vac_cache_size : PAGE_SIZE) #endif /* _ASMSPARC_SHMPARAM_H */ diff --git a/arch/sparc/include/asm/sigcontext.h b/arch/sparc/include/asm/sigcontext.h index e92de7e286b..fc2df1e892c 100644 --- a/arch/sparc/include/asm/sigcontext.h +++ b/arch/sparc/include/asm/sigcontext.h @@ -1,8 +1,108 @@ -#ifndef ___ASM_SPARC_SIGCONTEXT_H -#define ___ASM_SPARC_SIGCONTEXT_H -#if defined(__sparc__) && defined(__arch64__) -#include <asm/sigcontext_64.h> +#ifndef __SPARC_SIGCONTEXT_H +#define __SPARC_SIGCONTEXT_H + +#include <asm/ptrace.h> +#include <uapi/asm/sigcontext.h> + +#ifndef __ASSEMBLY__ + +#define __SUNOS_MAXWIN 31 + +/* This is what SunOS does, so shall I unless we use new 32bit signals or rt signals. */ +struct sigcontext32 { + int sigc_onstack; /* state to restore */ + int sigc_mask; /* sigmask to restore */ + int sigc_sp; /* stack pointer */ + int sigc_pc; /* program counter */ + int sigc_npc; /* next program counter */ + int sigc_psr; /* for condition codes etc */ + int sigc_g1; /* User uses these two registers */ + int sigc_o0; /* within the trampoline code. */ + + /* Now comes information regarding the users window set + * at the time of the signal. + */ + int sigc_oswins; /* outstanding windows */ + + /* stack ptrs for each regwin buf */ + unsigned sigc_spbuf[__SUNOS_MAXWIN]; + + /* Windows to restore after signal */ + struct reg_window32 sigc_wbuf[__SUNOS_MAXWIN]; +}; + + +/* This is what we use for 32bit new non-rt signals. */ + +typedef struct { + struct { + unsigned int psr; + unsigned int pc; + unsigned int npc; + unsigned int y; + unsigned int u_regs[16]; /* globals and ins */ + } si_regs; + int si_mask; +} __siginfo32_t; + +#define __SIGC_MAXWIN 7 + +typedef struct { + unsigned long locals[8]; + unsigned long ins[8]; +} __siginfo_reg_window; + +typedef struct { + int wsaved; + __siginfo_reg_window reg_window[__SIGC_MAXWIN]; + unsigned long rwbuf_stkptrs[__SIGC_MAXWIN]; +} __siginfo_rwin_t; + +#ifdef CONFIG_SPARC64 +typedef struct { + unsigned int si_float_regs [64]; + unsigned long si_fsr; + unsigned long si_gsr; + unsigned long si_fprs; +} __siginfo_fpu_t; + +/* This is what SunOS doesn't, so we have to write this alone + and do it properly. */ +struct sigcontext { + /* The size of this array has to match SI_MAX_SIZE from siginfo.h */ + char sigc_info[128]; + struct { + unsigned long u_regs[16]; /* globals and ins */ + unsigned long tstate; + unsigned long tpc; + unsigned long tnpc; + unsigned int y; + unsigned int fprs; + } sigc_regs; + __siginfo_fpu_t * sigc_fpu_save; + struct { + void * ss_sp; + int ss_flags; + unsigned long ss_size; + } sigc_stack; + unsigned long sigc_mask; + __siginfo_rwin_t * sigc_rwin_save; +}; + #else -#include <asm/sigcontext_32.h> -#endif -#endif + +typedef struct { + unsigned long si_float_regs [32]; + unsigned long si_fsr; + unsigned long si_fpqdepth; + struct { + unsigned long *insn_addr; + unsigned long insn; + } si_fpqueue [16]; +} __siginfo_fpu_t; +#endif /* (CONFIG_SPARC64) */ + + +#endif /* !(__ASSEMBLY__) */ + +#endif /* !(__SPARC_SIGCONTEXT_H) */ diff --git a/arch/sparc/include/asm/sigcontext_32.h b/arch/sparc/include/asm/sigcontext_32.h deleted file mode 100644 index c5fb60dcbd7..00000000000 --- a/arch/sparc/include/asm/sigcontext_32.h +++ /dev/null @@ -1,62 +0,0 @@ -#ifndef __SPARC_SIGCONTEXT_H -#define __SPARC_SIGCONTEXT_H - -#ifdef __KERNEL__ -#include <asm/ptrace.h> - -#ifndef __ASSEMBLY__ - -#define __SUNOS_MAXWIN 31 - -/* This is what SunOS does, so shall I. */ -struct sigcontext { - int sigc_onstack; /* state to restore */ - int sigc_mask; /* sigmask to restore */ - int sigc_sp; /* stack pointer */ - int sigc_pc; /* program counter */ - int sigc_npc; /* next program counter */ - int sigc_psr; /* for condition codes etc */ - int sigc_g1; /* User uses these two registers */ - int sigc_o0; /* within the trampoline code. */ - - /* Now comes information regarding the users window set - * at the time of the signal. - */ - int sigc_oswins; /* outstanding windows */ - - /* stack ptrs for each regwin buf */ - char *sigc_spbuf[__SUNOS_MAXWIN]; - - /* Windows to restore after signal */ - struct { - unsigned long locals[8]; - unsigned long ins[8]; - } sigc_wbuf[__SUNOS_MAXWIN]; -}; - -typedef struct { - struct { - unsigned long psr; - unsigned long pc; - unsigned long npc; - unsigned long y; - unsigned long u_regs[16]; /* globals and ins */ - } si_regs; - int si_mask; -} __siginfo_t; - -typedef struct { - unsigned long si_float_regs [32]; - unsigned long si_fsr; - unsigned long si_fpqdepth; - struct { - unsigned long *insn_addr; - unsigned long insn; - } si_fpqueue [16]; -} __siginfo_fpu_t; - -#endif /* !(__ASSEMBLY__) */ - -#endif /* (__KERNEL__) */ - -#endif /* !(__SPARC_SIGCONTEXT_H) */ diff --git a/arch/sparc/include/asm/sigcontext_64.h b/arch/sparc/include/asm/sigcontext_64.h deleted file mode 100644 index 1c868d680cf..00000000000 --- a/arch/sparc/include/asm/sigcontext_64.h +++ /dev/null @@ -1,87 +0,0 @@ -#ifndef __SPARC64_SIGCONTEXT_H -#define __SPARC64_SIGCONTEXT_H - -#ifdef __KERNEL__ -#include <asm/ptrace.h> -#endif - -#ifndef __ASSEMBLY__ - -#ifdef __KERNEL__ - -#define __SUNOS_MAXWIN 31 - -/* This is what SunOS does, so shall I unless we use new 32bit signals or rt signals. */ -struct sigcontext32 { - int sigc_onstack; /* state to restore */ - int sigc_mask; /* sigmask to restore */ - int sigc_sp; /* stack pointer */ - int sigc_pc; /* program counter */ - int sigc_npc; /* next program counter */ - int sigc_psr; /* for condition codes etc */ - int sigc_g1; /* User uses these two registers */ - int sigc_o0; /* within the trampoline code. */ - - /* Now comes information regarding the users window set - * at the time of the signal. - */ - int sigc_oswins; /* outstanding windows */ - - /* stack ptrs for each regwin buf */ - unsigned sigc_spbuf[__SUNOS_MAXWIN]; - - /* Windows to restore after signal */ - struct reg_window32 sigc_wbuf[__SUNOS_MAXWIN]; -}; - -#endif - -#ifdef __KERNEL__ - -/* This is what we use for 32bit new non-rt signals. */ - -typedef struct { - struct { - unsigned int psr; - unsigned int pc; - unsigned int npc; - unsigned int y; - unsigned int u_regs[16]; /* globals and ins */ - } si_regs; - int si_mask; -} __siginfo32_t; - -#endif - -typedef struct { - unsigned int si_float_regs [64]; - unsigned long si_fsr; - unsigned long si_gsr; - unsigned long si_fprs; -} __siginfo_fpu_t; - -/* This is what SunOS doesn't, so we have to write this alone - and do it properly. */ -struct sigcontext { - /* The size of this array has to match SI_MAX_SIZE from siginfo.h */ - char sigc_info[128]; - struct { - unsigned long u_regs[16]; /* globals and ins */ - unsigned long tstate; - unsigned long tpc; - unsigned long tnpc; - unsigned int y; - unsigned int fprs; - } sigc_regs; - __siginfo_fpu_t * sigc_fpu_save; - struct { - void * ss_sp; - int ss_flags; - unsigned long ss_size; - } sigc_stack; - unsigned long sigc_mask; -}; - -#endif /* !(__ASSEMBLY__) */ - -#endif /* !(__SPARC64_SIGCONTEXT_H) */ diff --git a/arch/sparc/include/asm/siginfo.h b/arch/sparc/include/asm/siginfo.h index bd81f8d7f5c..48c34c19f81 100644 --- a/arch/sparc/include/asm/siginfo.h +++ b/arch/sparc/include/asm/siginfo.h @@ -1,8 +1,13 @@ -#ifndef ___ASM_SPARC_SIGINFO_H -#define ___ASM_SPARC_SIGINFO_H -#if defined(__sparc__) && defined(__arch64__) -#include <asm/siginfo_64.h> -#else -#include <asm/siginfo_32.h> -#endif -#endif +#ifndef __SPARC_SIGINFO_H +#define __SPARC_SIGINFO_H + +#include <uapi/asm/siginfo.h> + + +#ifdef CONFIG_COMPAT + +struct compat_siginfo; + +#endif /* CONFIG_COMPAT */ + +#endif /* !(__SPARC_SIGINFO_H) */ diff --git a/arch/sparc/include/asm/siginfo_32.h b/arch/sparc/include/asm/siginfo_32.h deleted file mode 100644 index 3c71af135c5..00000000000 --- a/arch/sparc/include/asm/siginfo_32.h +++ /dev/null @@ -1,17 +0,0 @@ -#ifndef _SPARC_SIGINFO_H -#define _SPARC_SIGINFO_H - -#define __ARCH_SI_UID_T unsigned int -#define __ARCH_SI_TRAPNO - -#include <asm-generic/siginfo.h> - -#define SI_NOINFO 32767 /* no information in siginfo_t */ - -/* - * SIGEMT si_codes - */ -#define EMT_TAGOVF (__SI_FAULT|1) /* tag overflow */ -#define NSIGEMT 1 - -#endif /* !(_SPARC_SIGINFO_H) */ diff --git a/arch/sparc/include/asm/siginfo_64.h b/arch/sparc/include/asm/siginfo_64.h deleted file mode 100644 index c96e6c30f8b..00000000000 --- a/arch/sparc/include/asm/siginfo_64.h +++ /dev/null @@ -1,32 +0,0 @@ -#ifndef _SPARC64_SIGINFO_H -#define _SPARC64_SIGINFO_H - -#define SI_PAD_SIZE32 ((SI_MAX_SIZE/sizeof(int)) - 3) - -#define __ARCH_SI_PREAMBLE_SIZE (4 * sizeof(int)) -#define __ARCH_SI_TRAPNO -#define __ARCH_SI_BAND_T int - -#include <asm-generic/siginfo.h> - -#ifdef __KERNEL__ - -#include <linux/compat.h> - -#ifdef CONFIG_COMPAT - -struct compat_siginfo; - -#endif /* CONFIG_COMPAT */ - -#endif /* __KERNEL__ */ - -#define SI_NOINFO 32767 /* no information in siginfo_t */ - -/* - * SIGEMT si_codes - */ -#define EMT_TAGOVF (__SI_FAULT|1) /* tag overflow */ -#define NSIGEMT 1 - -#endif diff --git a/arch/sparc/include/asm/signal.h b/arch/sparc/include/asm/signal.h index 27ab05dc203..c33ce3f2ba8 100644 --- a/arch/sparc/include/asm/signal.h +++ b/arch/sparc/include/asm/signal.h @@ -1,8 +1,28 @@ -#ifndef ___ASM_SPARC_SIGNAL_H -#define ___ASM_SPARC_SIGNAL_H -#if defined(__sparc__) && defined(__arch64__) -#include <asm/signal_64.h> -#else -#include <asm/signal_32.h> -#endif +#ifndef __SPARC_SIGNAL_H +#define __SPARC_SIGNAL_H + +#ifndef __ASSEMBLY__ +#include <linux/personality.h> +#include <linux/types.h> #endif +#include <uapi/asm/signal.h> + +#ifndef __ASSEMBLY__ +/* + * DJHR + * SA_STATIC_ALLOC is used for the sparc32 system to indicate that this + * interrupt handler's irq structure should be statically allocated + * by the request_irq routine. + * The alternative is that arch/sparc/kernel/irq.c has carnal knowledge + * of interrupt usage and that sucks. Also without a flag like this + * it may be possible for the free_irq routine to attempt to free + * statically allocated data.. which is NOT GOOD. + * + */ +#define SA_STATIC_ALLOC 0x8000 + +#define __ARCH_HAS_KA_RESTORER +#define __ARCH_HAS_SA_RESTORER + +#endif /* !(__ASSEMBLY__) */ +#endif /* !(__SPARC_SIGNAL_H) */ diff --git a/arch/sparc/include/asm/signal_32.h b/arch/sparc/include/asm/signal_32.h deleted file mode 100644 index 96a60ab03ca..00000000000 --- a/arch/sparc/include/asm/signal_32.h +++ /dev/null @@ -1,207 +0,0 @@ -#ifndef _ASMSPARC_SIGNAL_H -#define _ASMSPARC_SIGNAL_H - -#include <asm/sigcontext.h> -#include <linux/compiler.h> - -#ifdef __KERNEL__ -#ifndef __ASSEMBLY__ -#include <linux/personality.h> -#include <linux/types.h> -#endif -#endif - -/* On the Sparc the signal handlers get passed a 'sub-signal' code - * for certain signal types, which we document here. - */ -#define SIGHUP 1 -#define SIGINT 2 -#define SIGQUIT 3 -#define SIGILL 4 -#define SUBSIG_STACK 0 -#define SUBSIG_ILLINST 2 -#define SUBSIG_PRIVINST 3 -#define SUBSIG_BADTRAP(t) (0x80 + (t)) - -#define SIGTRAP 5 -#define SIGABRT 6 -#define SIGIOT 6 - -#define SIGEMT 7 -#define SUBSIG_TAG 10 - -#define SIGFPE 8 -#define SUBSIG_FPDISABLED 0x400 -#define SUBSIG_FPERROR 0x404 -#define SUBSIG_FPINTOVFL 0x001 -#define SUBSIG_FPSTSIG 0x002 -#define SUBSIG_IDIVZERO 0x014 -#define SUBSIG_FPINEXACT 0x0c4 -#define SUBSIG_FPDIVZERO 0x0c8 -#define SUBSIG_FPUNFLOW 0x0cc -#define SUBSIG_FPOPERROR 0x0d0 -#define SUBSIG_FPOVFLOW 0x0d4 - -#define SIGKILL 9 -#define SIGBUS 10 -#define SUBSIG_BUSTIMEOUT 1 -#define SUBSIG_ALIGNMENT 2 -#define SUBSIG_MISCERROR 5 - -#define SIGSEGV 11 -#define SUBSIG_NOMAPPING 3 -#define SUBSIG_PROTECTION 4 -#define SUBSIG_SEGERROR 5 - -#define SIGSYS 12 - -#define SIGPIPE 13 -#define SIGALRM 14 -#define SIGTERM 15 -#define SIGURG 16 - -/* SunOS values which deviate from the Linux/i386 ones */ -#define SIGSTOP 17 -#define SIGTSTP 18 -#define SIGCONT 19 -#define SIGCHLD 20 -#define SIGTTIN 21 -#define SIGTTOU 22 -#define SIGIO 23 -#define SIGPOLL SIGIO /* SysV name for SIGIO */ -#define SIGXCPU 24 -#define SIGXFSZ 25 -#define SIGVTALRM 26 -#define SIGPROF 27 -#define SIGWINCH 28 -#define SIGLOST 29 -#define SIGPWR SIGLOST -#define SIGUSR1 30 -#define SIGUSR2 31 - -/* Most things should be clean enough to redefine this at will, if care - * is taken to make libc match. - */ - -#define __OLD_NSIG 32 -#define __NEW_NSIG 64 -#define _NSIG_BPW 32 -#define _NSIG_WORDS (__NEW_NSIG / _NSIG_BPW) - -#define SIGRTMIN 32 -#define SIGRTMAX __NEW_NSIG - -#if defined(__KERNEL__) || defined(__WANT_POSIX1B_SIGNALS__) -#define _NSIG __NEW_NSIG -#define __new_sigset_t sigset_t -#define __new_sigaction sigaction -#define __old_sigset_t old_sigset_t -#define __old_sigaction old_sigaction -#else -#define _NSIG __OLD_NSIG -#define __old_sigset_t sigset_t -#define __old_sigaction sigaction -#endif - -#ifndef __ASSEMBLY__ - -typedef unsigned long __old_sigset_t; - -typedef struct { - unsigned long sig[_NSIG_WORDS]; -} __new_sigset_t; - - -#ifdef __KERNEL__ -/* A SunOS sigstack */ -struct sigstack { - char *the_stack; - int cur_status; -}; -#endif - -/* Sigvec flags */ -#define _SV_SSTACK 1u /* This signal handler should use sig-stack */ -#define _SV_INTR 2u /* Sig return should not restart system call */ -#define _SV_RESET 4u /* Set handler to SIG_DFL upon taken signal */ -#define _SV_IGNCHILD 8u /* Do not send SIGCHLD */ - -/* - * sa_flags values: SA_STACK is not currently supported, but will allow the - * usage of signal stacks by using the (now obsolete) sa_restorer field in - * the sigaction structure as a stack pointer. This is now possible due to - * the changes in signal handling. LBT 010493. - * SA_RESTART flag to get restarting signals (which were the default long ago) - */ -#define SA_NOCLDSTOP _SV_IGNCHILD -#define SA_STACK _SV_SSTACK -#define SA_ONSTACK _SV_SSTACK -#define SA_RESTART _SV_INTR -#define SA_ONESHOT _SV_RESET -#define SA_NOMASK 0x20u -#define SA_NOCLDWAIT 0x100u -#define SA_SIGINFO 0x200u - -#define SIG_BLOCK 0x01 /* for blocking signals */ -#define SIG_UNBLOCK 0x02 /* for unblocking signals */ -#define SIG_SETMASK 0x04 /* for setting the signal mask */ - -/* - * sigaltstack controls - */ -#define SS_ONSTACK 1 -#define SS_DISABLE 2 - -#define MINSIGSTKSZ 4096 -#define SIGSTKSZ 16384 - -#ifdef __KERNEL__ -/* - * DJHR - * SA_STATIC_ALLOC is used for the SPARC system to indicate that this - * interrupt handler's irq structure should be statically allocated - * by the request_irq routine. - * The alternative is that arch/sparc/kernel/irq.c has carnal knowledge - * of interrupt usage and that sucks. Also without a flag like this - * it may be possible for the free_irq routine to attempt to free - * statically allocated data.. which is NOT GOOD. - * - */ -#define SA_STATIC_ALLOC 0x8000 -#endif - -#include <asm-generic/signal.h> - -#ifdef __KERNEL__ -struct __new_sigaction { - __sighandler_t sa_handler; - unsigned long sa_flags; - void (*sa_restorer)(void); /* Not used by Linux/SPARC */ - __new_sigset_t sa_mask; -}; - -struct k_sigaction { - struct __new_sigaction sa; - void __user *ka_restorer; -}; - -struct __old_sigaction { - __sighandler_t sa_handler; - __old_sigset_t sa_mask; - unsigned long sa_flags; - void (*sa_restorer) (void); /* not used by Linux/SPARC */ -}; - -typedef struct sigaltstack { - void __user *ss_sp; - int ss_flags; - size_t ss_size; -} stack_t; - -#define ptrace_signal_deliver(regs, cookie) do { } while (0) - -#endif /* !(__KERNEL__) */ - -#endif /* !(__ASSEMBLY__) */ - -#endif /* !(_ASMSPARC_SIGNAL_H) */ diff --git a/arch/sparc/include/asm/signal_64.h b/arch/sparc/include/asm/signal_64.h deleted file mode 100644 index ab1509a101c..00000000000 --- a/arch/sparc/include/asm/signal_64.h +++ /dev/null @@ -1,194 +0,0 @@ -#ifndef _ASMSPARC64_SIGNAL_H -#define _ASMSPARC64_SIGNAL_H - -#include <asm/sigcontext.h> - -#ifdef __KERNEL__ -#ifndef __ASSEMBLY__ -#include <linux/personality.h> -#include <linux/types.h> -#endif -#endif - -/* On the Sparc the signal handlers get passed a 'sub-signal' code - * for certain signal types, which we document here. - */ -#define SIGHUP 1 -#define SIGINT 2 -#define SIGQUIT 3 -#define SIGILL 4 -#define SUBSIG_STACK 0 -#define SUBSIG_ILLINST 2 -#define SUBSIG_PRIVINST 3 -#define SUBSIG_BADTRAP(t) (0x80 + (t)) - -#define SIGTRAP 5 -#define SIGABRT 6 -#define SIGIOT 6 - -#define SIGEMT 7 -#define SUBSIG_TAG 10 - -#define SIGFPE 8 -#define SUBSIG_FPDISABLED 0x400 -#define SUBSIG_FPERROR 0x404 -#define SUBSIG_FPINTOVFL 0x001 -#define SUBSIG_FPSTSIG 0x002 -#define SUBSIG_IDIVZERO 0x014 -#define SUBSIG_FPINEXACT 0x0c4 -#define SUBSIG_FPDIVZERO 0x0c8 -#define SUBSIG_FPUNFLOW 0x0cc -#define SUBSIG_FPOPERROR 0x0d0 -#define SUBSIG_FPOVFLOW 0x0d4 - -#define SIGKILL 9 -#define SIGBUS 10 -#define SUBSIG_BUSTIMEOUT 1 -#define SUBSIG_ALIGNMENT 2 -#define SUBSIG_MISCERROR 5 - -#define SIGSEGV 11 -#define SUBSIG_NOMAPPING 3 -#define SUBSIG_PROTECTION 4 -#define SUBSIG_SEGERROR 5 - -#define SIGSYS 12 - -#define SIGPIPE 13 -#define SIGALRM 14 -#define SIGTERM 15 -#define SIGURG 16 - -/* SunOS values which deviate from the Linux/i386 ones */ -#define SIGSTOP 17 -#define SIGTSTP 18 -#define SIGCONT 19 -#define SIGCHLD 20 -#define SIGTTIN 21 -#define SIGTTOU 22 -#define SIGIO 23 -#define SIGPOLL SIGIO /* SysV name for SIGIO */ -#define SIGXCPU 24 -#define SIGXFSZ 25 -#define SIGVTALRM 26 -#define SIGPROF 27 -#define SIGWINCH 28 -#define SIGLOST 29 -#define SIGPWR SIGLOST -#define SIGUSR1 30 -#define SIGUSR2 31 - -/* Most things should be clean enough to redefine this at will, if care - is taken to make libc match. */ - -#define __OLD_NSIG 32 -#define __NEW_NSIG 64 -#define _NSIG_BPW 64 -#define _NSIG_WORDS (__NEW_NSIG / _NSIG_BPW) - -#define SIGRTMIN 32 -#define SIGRTMAX __NEW_NSIG - -#if defined(__KERNEL__) || defined(__WANT_POSIX1B_SIGNALS__) -#define _NSIG __NEW_NSIG -#define __new_sigset_t sigset_t -#define __new_sigaction sigaction -#define __new_sigaction32 sigaction32 -#define __old_sigset_t old_sigset_t -#define __old_sigaction old_sigaction -#define __old_sigaction32 old_sigaction32 -#else -#define _NSIG __OLD_NSIG -#define NSIG _NSIG -#define __old_sigset_t sigset_t -#define __old_sigaction sigaction -#define __old_sigaction32 sigaction32 -#endif - -#ifndef __ASSEMBLY__ - -typedef unsigned long __old_sigset_t; /* at least 32 bits */ - -typedef struct { - unsigned long sig[_NSIG_WORDS]; -} __new_sigset_t; - -/* A SunOS sigstack */ -struct sigstack { - /* XXX 32-bit pointers pinhead XXX */ - char *the_stack; - int cur_status; -}; - -/* Sigvec flags */ -#define _SV_SSTACK 1u /* This signal handler should use sig-stack */ -#define _SV_INTR 2u /* Sig return should not restart system call */ -#define _SV_RESET 4u /* Set handler to SIG_DFL upon taken signal */ -#define _SV_IGNCHILD 8u /* Do not send SIGCHLD */ - -/* - * sa_flags values: SA_STACK is not currently supported, but will allow the - * usage of signal stacks by using the (now obsolete) sa_restorer field in - * the sigaction structure as a stack pointer. This is now possible due to - * the changes in signal handling. LBT 010493. - * SA_RESTART flag to get restarting signals (which were the default long ago) - */ -#define SA_NOCLDSTOP _SV_IGNCHILD -#define SA_STACK _SV_SSTACK -#define SA_ONSTACK _SV_SSTACK -#define SA_RESTART _SV_INTR -#define SA_ONESHOT _SV_RESET -#define SA_NOMASK 0x20u -#define SA_NOCLDWAIT 0x100u -#define SA_SIGINFO 0x200u - - -#define SIG_BLOCK 0x01 /* for blocking signals */ -#define SIG_UNBLOCK 0x02 /* for unblocking signals */ -#define SIG_SETMASK 0x04 /* for setting the signal mask */ - -/* - * sigaltstack controls - */ -#define SS_ONSTACK 1 -#define SS_DISABLE 2 - -#define MINSIGSTKSZ 4096 -#define SIGSTKSZ 16384 - -#include <asm-generic/signal.h> - -struct __new_sigaction { - __sighandler_t sa_handler; - unsigned long sa_flags; - __sigrestore_t sa_restorer; /* not used by Linux/SPARC yet */ - __new_sigset_t sa_mask; -}; - -struct __old_sigaction { - __sighandler_t sa_handler; - __old_sigset_t sa_mask; - unsigned long sa_flags; - void (*sa_restorer)(void); /* not used by Linux/SPARC yet */ -}; - -typedef struct sigaltstack { - void __user *ss_sp; - int ss_flags; - size_t ss_size; -} stack_t; - -#ifdef __KERNEL__ - -struct k_sigaction { - struct __new_sigaction sa; - void __user *ka_restorer; -}; - -#define ptrace_signal_deliver(regs, cookie) do { } while (0) - -#endif /* !(__KERNEL__) */ - -#endif /* !(__ASSEMBLY__) */ - -#endif /* !(_ASMSPARC64_SIGNAL_H) */ diff --git a/arch/sparc/include/asm/smp_32.h b/arch/sparc/include/asm/smp_32.h index a8180e546a4..7c24e08a88d 100644 --- a/arch/sparc/include/asm/smp_32.h +++ b/arch/sparc/include/asm/smp_32.h @@ -8,7 +8,6 @@ #include <linux/threads.h> #include <asm/head.h> -#include <asm/btfixup.h> #ifndef __ASSEMBLY__ @@ -22,19 +21,22 @@ #include <asm/ptrace.h> #include <asm/asi.h> -#include <asm/atomic.h> +#include <linux/atomic.h> /* * Private routines/data */ extern unsigned char boot_cpu_id; -extern cpumask_t phys_cpu_present_map; -#define cpu_possible_map phys_cpu_present_map +extern volatile unsigned long cpu_callin_map[NR_CPUS]; +extern cpumask_t smp_commenced_mask; +extern struct linux_prom_registers smp_penguin_ctable; typedef void (*smpfunc_t)(unsigned long, unsigned long, unsigned long, unsigned long, unsigned long); +void cpu_panic(void); + /* * General functions that each host system must provide. */ @@ -43,111 +45,66 @@ void sun4m_init_smp(void); void sun4d_init_smp(void); void smp_callin(void); -void smp_boot_cpus(void); void smp_store_cpu_info(int); +void smp_resched_interrupt(void); +void smp_call_function_single_interrupt(void); +void smp_call_function_interrupt(void); + struct seq_file; void smp_bogo(struct seq_file *); void smp_info(struct seq_file *); -BTFIXUPDEF_CALL(void, smp_cross_call, smpfunc_t, cpumask_t, unsigned long, unsigned long, unsigned long, unsigned long) -BTFIXUPDEF_CALL(int, __hard_smp_processor_id, void) -BTFIXUPDEF_BLACKBOX(hard_smp_processor_id) -BTFIXUPDEF_BLACKBOX(load_current) - -#define smp_cross_call(func,mask,arg1,arg2,arg3,arg4) BTFIXUP_CALL(smp_cross_call)(func,mask,arg1,arg2,arg3,arg4) - -static inline void xc0(smpfunc_t func) { smp_cross_call(func, cpu_online_map, 0, 0, 0, 0); } -static inline void xc1(smpfunc_t func, unsigned long arg1) -{ smp_cross_call(func, cpu_online_map, arg1, 0, 0, 0); } -static inline void xc2(smpfunc_t func, unsigned long arg1, unsigned long arg2) -{ smp_cross_call(func, cpu_online_map, arg1, arg2, 0, 0); } -static inline void xc3(smpfunc_t func, unsigned long arg1, unsigned long arg2, - unsigned long arg3) -{ smp_cross_call(func, cpu_online_map, arg1, arg2, arg3, 0); } -static inline void xc4(smpfunc_t func, unsigned long arg1, unsigned long arg2, - unsigned long arg3, unsigned long arg4) -{ smp_cross_call(func, cpu_online_map, arg1, arg2, arg3, arg4); } - -static inline int smp_call_function(void (*func)(void *info), void *info, int wait) +struct sparc32_ipi_ops { + void (*cross_call)(smpfunc_t func, cpumask_t mask, unsigned long arg1, + unsigned long arg2, unsigned long arg3, + unsigned long arg4); + void (*resched)(int cpu); + void (*single)(int cpu); + void (*mask_one)(int cpu); +}; +extern const struct sparc32_ipi_ops *sparc32_ipi_ops; + +static inline void xc0(smpfunc_t func) { - xc1((smpfunc_t)func, (unsigned long)info); - return 0; + sparc32_ipi_ops->cross_call(func, *cpu_online_mask, 0, 0, 0, 0); } -static inline int smp_call_function_single(int cpuid, void (*func) (void *info), - void *info, int wait) +static inline void xc1(smpfunc_t func, unsigned long arg1) { - smp_cross_call((smpfunc_t)func, cpumask_of_cpu(cpuid), - (unsigned long) info, 0, 0, 0); - return 0; + sparc32_ipi_ops->cross_call(func, *cpu_online_mask, arg1, 0, 0, 0); } - -static inline int cpu_logical_map(int cpu) +static inline void xc2(smpfunc_t func, unsigned long arg1, unsigned long arg2) { - return cpu; + sparc32_ipi_ops->cross_call(func, *cpu_online_mask, arg1, arg2, 0, 0); } -static inline int hard_smp4m_processor_id(void) +static inline void xc3(smpfunc_t func, unsigned long arg1, unsigned long arg2, + unsigned long arg3) { - int cpuid; - - __asm__ __volatile__("rd %%tbr, %0\n\t" - "srl %0, 12, %0\n\t" - "and %0, 3, %0\n\t" : - "=&r" (cpuid)); - return cpuid; + sparc32_ipi_ops->cross_call(func, *cpu_online_mask, + arg1, arg2, arg3, 0); } -static inline int hard_smp4d_processor_id(void) +static inline void xc4(smpfunc_t func, unsigned long arg1, unsigned long arg2, + unsigned long arg3, unsigned long arg4) { - int cpuid; - - __asm__ __volatile__("lda [%%g0] %1, %0\n\t" : - "=&r" (cpuid) : "i" (ASI_M_VIKING_TMP1)); - return cpuid; + sparc32_ipi_ops->cross_call(func, *cpu_online_mask, + arg1, arg2, arg3, arg4); } -#ifndef MODULE -static inline int hard_smp_processor_id(void) +void arch_send_call_function_single_ipi(int cpu); +void arch_send_call_function_ipi_mask(const struct cpumask *mask); + +static inline int cpu_logical_map(int cpu) { - int cpuid; - - /* Black box - sun4m - __asm__ __volatile__("rd %%tbr, %0\n\t" - "srl %0, 12, %0\n\t" - "and %0, 3, %0\n\t" : - "=&r" (cpuid)); - - sun4d - __asm__ __volatile__("lda [%g0] ASI_M_VIKING_TMP1, %0\n\t" - "nop; nop" : - "=&r" (cpuid)); - See btfixup.h and btfixupprep.c to understand how a blackbox works. - */ - __asm__ __volatile__("sethi %%hi(___b_hard_smp_processor_id), %0\n\t" - "sethi %%hi(boot_cpu_id), %0\n\t" - "ldub [%0 + %%lo(boot_cpu_id)], %0\n\t" : - "=&r" (cpuid)); - return cpuid; + return cpu; } -#else -static inline int hard_smp_processor_id(void) -{ - int cpuid; - __asm__ __volatile__("mov %%o7, %%g1\n\t" - "call ___f___hard_smp_processor_id\n\t" - " nop\n\t" - "mov %%g2, %0\n\t" : "=r"(cpuid) : : "g1", "g2"); - return cpuid; -} -#endif +int hard_smp_processor_id(void); #define raw_smp_processor_id() (current_thread_info()->cpu) -#define prof_multiplier(__cpu) cpu_data(__cpu).multiplier -#define prof_counter(__cpu) cpu_data(__cpu).counter - void smp_setup_cpu_possible_map(void); #endif /* !(__ASSEMBLY__) */ @@ -172,7 +129,4 @@ void smp_setup_cpu_possible_map(void); #define smp_setup_cpu_possible_map() do { } while (0) #endif /* !(SMP) */ - -#define NO_PROC_ID 0xFF - #endif /* !(_SPARC_SMP_H) */ diff --git a/arch/sparc/include/asm/smp_64.h b/arch/sparc/include/asm/smp_64.h index 57224dd37b3..26d9e772686 100644 --- a/arch/sparc/include/asm/smp_64.h +++ b/arch/sparc/include/asm/smp_64.h @@ -27,31 +27,41 @@ */ #include <linux/bitops.h> -#include <asm/atomic.h> +#include <linux/atomic.h> #include <asm/percpu.h> DECLARE_PER_CPU(cpumask_t, cpu_sibling_map); extern cpumask_t cpu_core_map[NR_CPUS]; -extern int sparc64_multi_core; -extern void arch_send_call_function_single_ipi(int cpu); -extern void arch_send_call_function_ipi(cpumask_t mask); +void arch_send_call_function_single_ipi(int cpu); +void arch_send_call_function_ipi_mask(const struct cpumask *mask); /* * General functions that each host system must provide. */ -extern int hard_smp_processor_id(void); +int hard_smp_processor_id(void); #define raw_smp_processor_id() (current_thread_info()->cpu) -extern void smp_fill_in_sib_core_maps(void); -extern void cpu_play_dead(void); +void smp_fill_in_sib_core_maps(void); +void cpu_play_dead(void); -extern void smp_fetch_global_regs(void); +void smp_fetch_global_regs(void); +void smp_fetch_global_pmu(void); + +struct seq_file; +void smp_bogo(struct seq_file *); +void smp_info(struct seq_file *); + +void smp_callin(void); +void cpu_panic(void); +void smp_synchronize_tick_client(void); +void smp_capture(void); +void smp_release(void); #ifdef CONFIG_HOTPLUG_CPU -extern int __cpu_disable(void); -extern void __cpu_die(unsigned int cpu); +int __cpu_disable(void); +void __cpu_die(unsigned int cpu); #endif #endif /* !(__ASSEMBLY__) */ @@ -61,6 +71,7 @@ extern void __cpu_die(unsigned int cpu); #define hard_smp_processor_id() 0 #define smp_fill_in_sib_core_maps() do { } while (0) #define smp_fetch_global_regs() do { } while (0) +#define smp_fetch_global_pmu() do { } while (0) #endif /* !(CONFIG_SMP) */ diff --git a/arch/sparc/include/asm/smpprim.h b/arch/sparc/include/asm/smpprim.h deleted file mode 100644 index eb849d862c6..00000000000 --- a/arch/sparc/include/asm/smpprim.h +++ /dev/null @@ -1,54 +0,0 @@ -/* - * smpprim.h: SMP locking primitives on the Sparc - * - * God knows we won't be actually using this code for some time - * but I thought I'd write it since I knew how. - * - * Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu) - */ - -#ifndef __SPARC_SMPPRIM_H -#define __SPARC_SMPPRIM_H - -/* Test and set the unsigned byte at ADDR to 1. Returns the previous - * value. On the Sparc we use the ldstub instruction since it is - * atomic. - */ - -static inline __volatile__ char test_and_set(void *addr) -{ - char state = 0; - - __asm__ __volatile__("ldstub [%0], %1 ! test_and_set\n\t" - "=r" (addr), "=r" (state) : - "0" (addr), "1" (state) : "memory"); - - return state; -} - -/* Initialize a spin-lock. */ -static inline __volatile__ smp_initlock(void *spinlock) -{ - /* Unset the lock. */ - *((unsigned char *) spinlock) = 0; - - return; -} - -/* This routine spins until it acquires the lock at ADDR. */ -static inline __volatile__ smp_lock(void *addr) -{ - while(test_and_set(addr) == 0xff) - ; - - /* We now have the lock */ - return; -} - -/* This routine releases the lock at ADDR. */ -static inline __volatile__ smp_unlock(void *addr) -{ - *((unsigned char *) addr) = 0; -} - -#endif /* !(__SPARC_SMPPRIM_H) */ diff --git a/arch/sparc/include/asm/socket.h b/arch/sparc/include/asm/socket.h deleted file mode 100644 index bf50d0c2d58..00000000000 --- a/arch/sparc/include/asm/socket.h +++ /dev/null @@ -1,58 +0,0 @@ -#ifndef _ASM_SOCKET_H -#define _ASM_SOCKET_H - -#include <asm/sockios.h> - -/* For setsockopt(2) */ -#define SOL_SOCKET 0xffff - -#define SO_DEBUG 0x0001 -#define SO_PASSCRED 0x0002 -#define SO_REUSEADDR 0x0004 -#define SO_KEEPALIVE 0x0008 -#define SO_DONTROUTE 0x0010 -#define SO_BROADCAST 0x0020 -#define SO_PEERCRED 0x0040 -#define SO_LINGER 0x0080 -#define SO_OOBINLINE 0x0100 -/* To add :#define SO_REUSEPORT 0x0200 */ -#define SO_BSDCOMPAT 0x0400 -#define SO_RCVLOWAT 0x0800 -#define SO_SNDLOWAT 0x1000 -#define SO_RCVTIMEO 0x2000 -#define SO_SNDTIMEO 0x4000 -#define SO_ACCEPTCONN 0x8000 - -#define SO_SNDBUF 0x1001 -#define SO_RCVBUF 0x1002 -#define SO_SNDBUFFORCE 0x100a -#define SO_RCVBUFFORCE 0x100b -#define SO_ERROR 0x1007 -#define SO_TYPE 0x1008 - -/* Linux specific, keep the same. */ -#define SO_NO_CHECK 0x000b -#define SO_PRIORITY 0x000c - -#define SO_BINDTODEVICE 0x000d - -#define SO_ATTACH_FILTER 0x001a -#define SO_DETACH_FILTER 0x001b - -#define SO_PEERNAME 0x001c -#define SO_TIMESTAMP 0x001d -#define SCM_TIMESTAMP SO_TIMESTAMP - -#define SO_PEERSEC 0x001e -#define SO_PASSSEC 0x001f -#define SO_TIMESTAMPNS 0x0021 -#define SCM_TIMESTAMPNS SO_TIMESTAMPNS - -#define SO_MARK 0x0022 - -/* Security levels - as per NRL IPv6 - don't actually do anything */ -#define SO_SECURITY_AUTHENTICATION 0x5001 -#define SO_SECURITY_ENCRYPTION_TRANSPORT 0x5002 -#define SO_SECURITY_ENCRYPTION_NETWORK 0x5004 - -#endif /* _ASM_SOCKET_H */ diff --git a/arch/sparc/include/asm/sockios.h b/arch/sparc/include/asm/sockios.h deleted file mode 100644 index 990ea746486..00000000000 --- a/arch/sparc/include/asm/sockios.h +++ /dev/null @@ -1,14 +0,0 @@ -#ifndef _ASM_SPARC_SOCKIOS_H -#define _ASM_SPARC_SOCKIOS_H - -/* Socket-level I/O control calls. */ -#define FIOSETOWN 0x8901 -#define SIOCSPGRP 0x8902 -#define FIOGETOWN 0x8903 -#define SIOCGPGRP 0x8904 -#define SIOCATMARK 0x8905 -#define SIOCGSTAMP 0x8906 /* Get stamp (timeval) */ -#define SIOCGSTAMPNS 0x8907 /* Get stamp (timespec) */ - -#endif /* !(_ASM_SPARC_SOCKIOS_H) */ - diff --git a/arch/sparc/include/asm/sparsemem.h b/arch/sparc/include/asm/sparsemem.h index b99d4e4b6d2..e5e1752d5d7 100644 --- a/arch/sparc/include/asm/sparsemem.h +++ b/arch/sparc/include/asm/sparsemem.h @@ -3,9 +3,11 @@ #ifdef __KERNEL__ +#include <asm/page.h> + #define SECTION_SIZE_BITS 30 -#define MAX_PHYSADDR_BITS 42 -#define MAX_PHYSMEM_BITS 42 +#define MAX_PHYSADDR_BITS MAX_PHYS_ADDRESS_BITS +#define MAX_PHYSMEM_BITS MAX_PHYS_ADDRESS_BITS #endif /* !(__KERNEL__) */ diff --git a/arch/sparc/include/asm/spinlock_32.h b/arch/sparc/include/asm/spinlock_32.h index de2249b267c..bcc98fc3528 100644 --- a/arch/sparc/include/asm/spinlock_32.h +++ b/arch/sparc/include/asm/spinlock_32.h @@ -6,18 +6,17 @@ #ifndef __SPARC_SPINLOCK_H #define __SPARC_SPINLOCK_H -#include <linux/threads.h> /* For NR_CPUS */ - #ifndef __ASSEMBLY__ #include <asm/psr.h> +#include <asm/processor.h> /* for cpu_relax */ -#define __raw_spin_is_locked(lock) (*((volatile unsigned char *)(lock)) != 0) +#define arch_spin_is_locked(lock) (*((volatile unsigned char *)(lock)) != 0) -#define __raw_spin_unlock_wait(lock) \ - do { while (__raw_spin_is_locked(lock)) cpu_relax(); } while (0) +#define arch_spin_unlock_wait(lock) \ + do { while (arch_spin_is_locked(lock)) cpu_relax(); } while (0) -static inline void __raw_spin_lock(raw_spinlock_t *lock) +static inline void arch_spin_lock(arch_spinlock_t *lock) { __asm__ __volatile__( "\n1:\n\t" @@ -37,7 +36,7 @@ static inline void __raw_spin_lock(raw_spinlock_t *lock) : "g2", "memory", "cc"); } -static inline int __raw_spin_trylock(raw_spinlock_t *lock) +static inline int arch_spin_trylock(arch_spinlock_t *lock) { unsigned int result; __asm__ __volatile__("ldstub [%1], %0" @@ -47,7 +46,7 @@ static inline int __raw_spin_trylock(raw_spinlock_t *lock) return (result == 0); } -static inline void __raw_spin_unlock(raw_spinlock_t *lock) +static inline void arch_spin_unlock(arch_spinlock_t *lock) { __asm__ __volatile__("stb %%g0, [%0]" : : "r" (lock) : "memory"); } @@ -67,7 +66,7 @@ static inline void __raw_spin_unlock(raw_spinlock_t *lock) * Sort of like atomic_t's on Sparc, but even more clever. * * ------------------------------------ - * | 24-bit counter | wlock | raw_rwlock_t + * | 24-bit counter | wlock | arch_rwlock_t * ------------------------------------ * 31 8 7 0 * @@ -78,9 +77,9 @@ static inline void __raw_spin_unlock(raw_spinlock_t *lock) * * Unfortunately this scheme limits us to ~16,000,000 cpus. */ -static inline void __read_lock(raw_rwlock_t *rw) +static inline void __arch_read_lock(arch_rwlock_t *rw) { - register raw_rwlock_t *lp asm("g1"); + register arch_rwlock_t *lp asm("g1"); lp = rw; __asm__ __volatile__( "mov %%o7, %%g4\n\t" @@ -91,16 +90,16 @@ static inline void __read_lock(raw_rwlock_t *rw) : "g2", "g4", "memory", "cc"); } -#define __raw_read_lock(lock) \ +#define arch_read_lock(lock) \ do { unsigned long flags; \ local_irq_save(flags); \ - __read_lock(lock); \ + __arch_read_lock(lock); \ local_irq_restore(flags); \ } while(0) -static inline void __read_unlock(raw_rwlock_t *rw) +static inline void __arch_read_unlock(arch_rwlock_t *rw) { - register raw_rwlock_t *lp asm("g1"); + register arch_rwlock_t *lp asm("g1"); lp = rw; __asm__ __volatile__( "mov %%o7, %%g4\n\t" @@ -111,16 +110,16 @@ static inline void __read_unlock(raw_rwlock_t *rw) : "g2", "g4", "memory", "cc"); } -#define __raw_read_unlock(lock) \ +#define arch_read_unlock(lock) \ do { unsigned long flags; \ local_irq_save(flags); \ - __read_unlock(lock); \ + __arch_read_unlock(lock); \ local_irq_restore(flags); \ } while(0) -static inline void __raw_write_lock(raw_rwlock_t *rw) +static inline void arch_write_lock(arch_rwlock_t *rw) { - register raw_rwlock_t *lp asm("g1"); + register arch_rwlock_t *lp asm("g1"); lp = rw; __asm__ __volatile__( "mov %%o7, %%g4\n\t" @@ -132,7 +131,16 @@ static inline void __raw_write_lock(raw_rwlock_t *rw) *(volatile __u32 *)&lp->lock = ~0U; } -static inline int __raw_write_trylock(raw_rwlock_t *rw) +static void inline arch_write_unlock(arch_rwlock_t *lock) +{ + __asm__ __volatile__( +" st %%g0, [%0]" + : /* no outputs */ + : "r" (lock) + : "memory"); +} + +static inline int arch_write_trylock(arch_rwlock_t *rw) { unsigned int val; @@ -152,9 +160,9 @@ static inline int __raw_write_trylock(raw_rwlock_t *rw) return (val == 0); } -static inline int __read_trylock(raw_rwlock_t *rw) +static inline int __arch_read_trylock(arch_rwlock_t *rw) { - register raw_rwlock_t *lp asm("g1"); + register arch_rwlock_t *lp asm("g1"); register int res asm("o0"); lp = rw; __asm__ __volatile__( @@ -167,25 +175,25 @@ static inline int __read_trylock(raw_rwlock_t *rw) return res; } -#define __raw_read_trylock(lock) \ +#define arch_read_trylock(lock) \ ({ unsigned long flags; \ int res; \ local_irq_save(flags); \ - res = __read_trylock(lock); \ + res = __arch_read_trylock(lock); \ local_irq_restore(flags); \ res; \ }) -#define __raw_write_unlock(rw) do { (rw)->lock = 0; } while(0) - -#define __raw_spin_lock_flags(lock, flags) __raw_spin_lock(lock) +#define arch_spin_lock_flags(lock, flags) arch_spin_lock(lock) +#define arch_read_lock_flags(rw, flags) arch_read_lock(rw) +#define arch_write_lock_flags(rw, flags) arch_write_lock(rw) -#define _raw_spin_relax(lock) cpu_relax() -#define _raw_read_relax(lock) cpu_relax() -#define _raw_write_relax(lock) cpu_relax() +#define arch_spin_relax(lock) cpu_relax() +#define arch_read_relax(lock) cpu_relax() +#define arch_write_relax(lock) cpu_relax() -#define __raw_read_can_lock(rw) (!((rw)->lock & 0xff)) -#define __raw_write_can_lock(rw) (!(rw)->lock) +#define arch_read_can_lock(rw) (!((rw)->lock & 0xff)) +#define arch_write_can_lock(rw) (!(rw)->lock) #endif /* !(__ASSEMBLY__) */ diff --git a/arch/sparc/include/asm/spinlock_64.h b/arch/sparc/include/asm/spinlock_64.h index 0006fe9f8c7..96891769497 100644 --- a/arch/sparc/include/asm/spinlock_64.h +++ b/arch/sparc/include/asm/spinlock_64.h @@ -6,8 +6,6 @@ #ifndef __SPARC64_SPINLOCK_H #define __SPARC64_SPINLOCK_H -#include <linux/threads.h> /* For NR_CPUS */ - #ifndef __ASSEMBLY__ /* To get debugging spinlocks which detect and catch @@ -15,37 +13,30 @@ * and rebuild your kernel. */ -/* All of these locking primitives are expected to work properly - * even in an RMO memory model, which currently is what the kernel - * runs in. - * - * There is another issue. Because we play games to save cycles - * in the non-contention case, we need to be extra careful about - * branch targets into the "spinning" code. They live in their - * own section, but the newer V9 branches have a shorter range - * than the traditional 32-bit sparc branch variants. The rule - * is that the branches that go into and out of the spinner sections - * must be pre-V9 branches. +/* Because we play games to save cycles in the non-contention case, we + * need to be extra careful about branch targets into the "spinning" + * code. They live in their own section, but the newer V9 branches + * have a shorter range than the traditional 32-bit sparc branch + * variants. The rule is that the branches that go into and out of + * the spinner sections must be pre-V9 branches. */ -#define __raw_spin_is_locked(lp) ((lp)->lock != 0) +#define arch_spin_is_locked(lp) ((lp)->lock != 0) -#define __raw_spin_unlock_wait(lp) \ +#define arch_spin_unlock_wait(lp) \ do { rmb(); \ } while((lp)->lock) -static inline void __raw_spin_lock(raw_spinlock_t *lock) +static inline void arch_spin_lock(arch_spinlock_t *lock) { unsigned long tmp; __asm__ __volatile__( "1: ldstub [%1], %0\n" -" membar #StoreLoad | #StoreStore\n" " brnz,pn %0, 2f\n" " nop\n" " .subsection 2\n" "2: ldub [%1], %0\n" -" membar #LoadLoad\n" " brnz,pt %0, 2b\n" " nop\n" " ba,a,pt %%xcc, 1b\n" @@ -55,13 +46,12 @@ static inline void __raw_spin_lock(raw_spinlock_t *lock) : "memory"); } -static inline int __raw_spin_trylock(raw_spinlock_t *lock) +static inline int arch_spin_trylock(arch_spinlock_t *lock) { unsigned long result; __asm__ __volatile__( " ldstub [%1], %0\n" -" membar #StoreLoad | #StoreStore" : "=r" (result) : "r" (lock) : "memory"); @@ -69,30 +59,27 @@ static inline int __raw_spin_trylock(raw_spinlock_t *lock) return (result == 0UL); } -static inline void __raw_spin_unlock(raw_spinlock_t *lock) +static inline void arch_spin_unlock(arch_spinlock_t *lock) { __asm__ __volatile__( -" membar #StoreStore | #LoadStore\n" " stb %%g0, [%0]" : /* No outputs */ : "r" (lock) : "memory"); } -static inline void __raw_spin_lock_flags(raw_spinlock_t *lock, unsigned long flags) +static inline void arch_spin_lock_flags(arch_spinlock_t *lock, unsigned long flags) { unsigned long tmp1, tmp2; __asm__ __volatile__( "1: ldstub [%2], %0\n" -" membar #StoreLoad | #StoreStore\n" " brnz,pn %0, 2f\n" " nop\n" " .subsection 2\n" "2: rdpr %%pil, %1\n" " wrpr %3, %%pil\n" "3: ldub [%2], %0\n" -" membar #LoadLoad\n" " brnz,pt %0, 3b\n" " nop\n" " ba,pt %%xcc, 1b\n" @@ -105,7 +92,7 @@ static inline void __raw_spin_lock_flags(raw_spinlock_t *lock, unsigned long fla /* Multi-reader locks, these are much saner than the 32-bit Sparc ones... */ -static void inline __read_lock(raw_rwlock_t *lock) +static void inline arch_read_lock(arch_rwlock_t *lock) { unsigned long tmp1, tmp2; @@ -115,12 +102,10 @@ static void inline __read_lock(raw_rwlock_t *lock) "4: add %0, 1, %1\n" " cas [%2], %0, %1\n" " cmp %0, %1\n" -" membar #StoreLoad | #StoreStore\n" " bne,pn %%icc, 1b\n" " nop\n" " .subsection 2\n" "2: ldsw [%2], %0\n" -" membar #LoadLoad\n" " brlz,pt %0, 2b\n" " nop\n" " ba,a,pt %%xcc, 4b\n" @@ -130,7 +115,7 @@ static void inline __read_lock(raw_rwlock_t *lock) : "memory"); } -static int inline __read_trylock(raw_rwlock_t *lock) +static int inline arch_read_trylock(arch_rwlock_t *lock) { int tmp1, tmp2; @@ -141,7 +126,6 @@ static int inline __read_trylock(raw_rwlock_t *lock) " add %0, 1, %1\n" " cas [%2], %0, %1\n" " cmp %0, %1\n" -" membar #StoreLoad | #StoreStore\n" " bne,pn %%icc, 1b\n" " mov 1, %0\n" "2:" @@ -152,12 +136,11 @@ static int inline __read_trylock(raw_rwlock_t *lock) return tmp1; } -static void inline __read_unlock(raw_rwlock_t *lock) +static void inline arch_read_unlock(arch_rwlock_t *lock) { unsigned long tmp1, tmp2; __asm__ __volatile__( -" membar #StoreLoad | #LoadLoad\n" "1: lduw [%2], %0\n" " sub %0, 1, %1\n" " cas [%2], %0, %1\n" @@ -169,7 +152,7 @@ static void inline __read_unlock(raw_rwlock_t *lock) : "memory"); } -static void inline __write_lock(raw_rwlock_t *lock) +static void inline arch_write_lock(arch_rwlock_t *lock) { unsigned long mask, tmp1, tmp2; @@ -181,12 +164,10 @@ static void inline __write_lock(raw_rwlock_t *lock) "4: or %0, %3, %1\n" " cas [%2], %0, %1\n" " cmp %0, %1\n" -" membar #StoreLoad | #StoreStore\n" " bne,pn %%icc, 1b\n" " nop\n" " .subsection 2\n" "2: lduw [%2], %0\n" -" membar #LoadLoad\n" " brnz,pt %0, 2b\n" " nop\n" " ba,a,pt %%xcc, 4b\n" @@ -196,17 +177,16 @@ static void inline __write_lock(raw_rwlock_t *lock) : "memory"); } -static void inline __write_unlock(raw_rwlock_t *lock) +static void inline arch_write_unlock(arch_rwlock_t *lock) { __asm__ __volatile__( -" membar #LoadStore | #StoreStore\n" " stw %%g0, [%0]" : /* no outputs */ : "r" (lock) : "memory"); } -static int inline __write_trylock(raw_rwlock_t *lock) +static int inline arch_write_trylock(arch_rwlock_t *lock) { unsigned long mask, tmp1, tmp2, result; @@ -219,7 +199,6 @@ static int inline __write_trylock(raw_rwlock_t *lock) " or %0, %4, %1\n" " cas [%3], %0, %1\n" " cmp %0, %1\n" -" membar #StoreLoad | #StoreStore\n" " bne,pn %%icc, 1b\n" " nop\n" " mov 1, %2\n" @@ -231,19 +210,15 @@ static int inline __write_trylock(raw_rwlock_t *lock) return result; } -#define __raw_read_lock(p) __read_lock(p) -#define __raw_read_trylock(p) __read_trylock(p) -#define __raw_read_unlock(p) __read_unlock(p) -#define __raw_write_lock(p) __write_lock(p) -#define __raw_write_unlock(p) __write_unlock(p) -#define __raw_write_trylock(p) __write_trylock(p) +#define arch_read_lock_flags(p, f) arch_read_lock(p) +#define arch_write_lock_flags(p, f) arch_write_lock(p) -#define __raw_read_can_lock(rw) (!((rw)->lock & 0x80000000UL)) -#define __raw_write_can_lock(rw) (!(rw)->lock) +#define arch_read_can_lock(rw) (!((rw)->lock & 0x80000000UL)) +#define arch_write_can_lock(rw) (!(rw)->lock) -#define _raw_spin_relax(lock) cpu_relax() -#define _raw_read_relax(lock) cpu_relax() -#define _raw_write_relax(lock) cpu_relax() +#define arch_spin_relax(lock) cpu_relax() +#define arch_read_relax(lock) cpu_relax() +#define arch_write_relax(lock) cpu_relax() #endif /* !(__ASSEMBLY__) */ diff --git a/arch/sparc/include/asm/spinlock_types.h b/arch/sparc/include/asm/spinlock_types.h index 37cbe01c585..9c454fdeaad 100644 --- a/arch/sparc/include/asm/spinlock_types.h +++ b/arch/sparc/include/asm/spinlock_types.h @@ -7,14 +7,14 @@ typedef struct { volatile unsigned char lock; -} raw_spinlock_t; +} arch_spinlock_t; -#define __RAW_SPIN_LOCK_UNLOCKED { 0 } +#define __ARCH_SPIN_LOCK_UNLOCKED { 0 } typedef struct { volatile unsigned int lock; -} raw_rwlock_t; +} arch_rwlock_t; -#define __RAW_RW_LOCK_UNLOCKED { 0 } +#define __ARCH_RW_LOCK_UNLOCKED { 0 } #endif diff --git a/arch/sparc/include/asm/spitfire.h b/arch/sparc/include/asm/spitfire.h index 985ea7e3199..3fc58691dbd 100644 --- a/arch/sparc/include/asm/spitfire.h +++ b/arch/sparc/include/asm/spitfire.h @@ -6,6 +6,8 @@ #ifndef _SPARC64_SPITFIRE_H #define _SPARC64_SPITFIRE_H +#ifdef CONFIG_SPARC64 + #include <asm/asi.h> /* The following register addresses are accessible via ASI_DMMU @@ -40,6 +42,10 @@ #define SUN4V_CHIP_INVALID 0x00 #define SUN4V_CHIP_NIAGARA1 0x01 #define SUN4V_CHIP_NIAGARA2 0x02 +#define SUN4V_CHIP_NIAGARA3 0x03 +#define SUN4V_CHIP_NIAGARA4 0x04 +#define SUN4V_CHIP_NIAGARA5 0x05 +#define SUN4V_CHIP_SPARC64X 0x8a #define SUN4V_CHIP_UNKNOWN 0xff #ifndef __ASSEMBLY__ @@ -56,7 +62,7 @@ extern enum ultra_tlb_layout tlb_type; extern int sun4v_chip_type; extern int cheetah_pcache_forced_on; -extern void cheetah_enable_pcache(void); +void cheetah_enable_pcache(void); #define sparc64_highest_locked_tlbent() \ (tlb_type == spitfire ? \ @@ -338,5 +344,5 @@ static inline void cheetah_put_itlb_data(int entry, unsigned long data) } #endif /* !(__ASSEMBLY__) */ - +#endif /* CONFIG_SPARC64 */ #endif /* !(_SPARC64_SPITFIRE_H) */ diff --git a/arch/sparc/include/asm/sstate.h b/arch/sparc/include/asm/sstate.h deleted file mode 100644 index a7c35dbcb28..00000000000 --- a/arch/sparc/include/asm/sstate.h +++ /dev/null @@ -1,13 +0,0 @@ -#ifndef _SPARC64_SSTATE_H -#define _SPARC64_SSTATE_H - -extern void sstate_booting(void); -extern void sstate_running(void); -extern void sstate_halt(void); -extern void sstate_poweroff(void); -extern void sstate_panic(void); -extern void sstate_reboot(void); - -extern void sun4v_sstate_init(void); - -#endif /* _SPARC64_SSTATE_H */ diff --git a/arch/sparc/include/asm/stacktrace.h b/arch/sparc/include/asm/stacktrace.h index 6cee39adf6d..c30d066f304 100644 --- a/arch/sparc/include/asm/stacktrace.h +++ b/arch/sparc/include/asm/stacktrace.h @@ -1,6 +1,6 @@ #ifndef _SPARC64_STACKTRACE_H #define _SPARC64_STACKTRACE_H -extern void stack_trace_flush(void); +void stack_trace_flush(void); #endif /* _SPARC64_STACKTRACE_H */ diff --git a/arch/sparc/include/asm/starfire.h b/arch/sparc/include/asm/starfire.h index 07bafd31e33..c100dc27a0a 100644 --- a/arch/sparc/include/asm/starfire.h +++ b/arch/sparc/include/asm/starfire.h @@ -11,11 +11,10 @@ extern int this_is_starfire; -extern void check_if_starfire(void); -extern void starfire_cpu_setup(void); -extern int starfire_hard_smp_processor_id(void); -extern void starfire_hookup(int); -extern unsigned int starfire_translate(unsigned long imap, unsigned int upaid); +void check_if_starfire(void); +int starfire_hard_smp_processor_id(void); +void starfire_hookup(int); +unsigned int starfire_translate(unsigned long imap, unsigned int upaid); #endif #endif diff --git a/arch/sparc/include/asm/stat.h b/arch/sparc/include/asm/stat.h deleted file mode 100644 index d8153013df7..00000000000 --- a/arch/sparc/include/asm/stat.h +++ /dev/null @@ -1,8 +0,0 @@ -#ifndef ___ASM_SPARC_STAT_H -#define ___ASM_SPARC_STAT_H -#if defined(__sparc__) && defined(__arch64__) -#include <asm/stat_64.h> -#else -#include <asm/stat_32.h> -#endif -#endif diff --git a/arch/sparc/include/asm/stat_32.h b/arch/sparc/include/asm/stat_32.h deleted file mode 100644 index 2299e1d5d94..00000000000 --- a/arch/sparc/include/asm/stat_32.h +++ /dev/null @@ -1,76 +0,0 @@ -#ifndef _SPARC_STAT_H -#define _SPARC_STAT_H - -#include <linux/types.h> - -struct __old_kernel_stat { - unsigned short st_dev; - unsigned short st_ino; - unsigned short st_mode; - unsigned short st_nlink; - unsigned short st_uid; - unsigned short st_gid; - unsigned short st_rdev; - unsigned long st_size; - unsigned long st_atime; - unsigned long st_mtime; - unsigned long st_ctime; -}; - -struct stat { - unsigned short st_dev; - unsigned long st_ino; - unsigned short st_mode; - short st_nlink; - unsigned short st_uid; - unsigned short st_gid; - unsigned short st_rdev; - long st_size; - long st_atime; - unsigned long st_atime_nsec; - long st_mtime; - unsigned long st_mtime_nsec; - long st_ctime; - unsigned long st_ctime_nsec; - long st_blksize; - long st_blocks; - unsigned long __unused4[2]; -}; - -#define STAT_HAVE_NSEC 1 - -struct stat64 { - unsigned long long st_dev; - - unsigned long long st_ino; - - unsigned int st_mode; - unsigned int st_nlink; - - unsigned int st_uid; - unsigned int st_gid; - - unsigned long long st_rdev; - - unsigned char __pad3[8]; - - long long st_size; - unsigned int st_blksize; - - unsigned char __pad4[8]; - unsigned int st_blocks; - - unsigned int st_atime; - unsigned int st_atime_nsec; - - unsigned int st_mtime; - unsigned int st_mtime_nsec; - - unsigned int st_ctime; - unsigned int st_ctime_nsec; - - unsigned int __unused4; - unsigned int __unused5; -}; - -#endif diff --git a/arch/sparc/include/asm/stat_64.h b/arch/sparc/include/asm/stat_64.h deleted file mode 100644 index 9650fdea847..00000000000 --- a/arch/sparc/include/asm/stat_64.h +++ /dev/null @@ -1,47 +0,0 @@ -#ifndef _SPARC64_STAT_H -#define _SPARC64_STAT_H - -#include <linux/types.h> - -struct stat { - unsigned st_dev; - ino_t st_ino; - mode_t st_mode; - short st_nlink; - uid_t st_uid; - gid_t st_gid; - unsigned st_rdev; - off_t st_size; - time_t st_atime; - time_t st_mtime; - time_t st_ctime; - off_t st_blksize; - off_t st_blocks; - unsigned long __unused4[2]; -}; - -struct stat64 { - unsigned long st_dev; - unsigned long st_ino; - unsigned long st_nlink; - - unsigned int st_mode; - unsigned int st_uid; - unsigned int st_gid; - unsigned int __pad0; - - unsigned long st_rdev; - long st_size; - long st_blksize; - long st_blocks; - - unsigned long st_atime; - unsigned long st_atime_nsec; - unsigned long st_mtime; - unsigned long st_mtime_nsec; - unsigned long st_ctime; - unsigned long st_ctime_nsec; - long __unused[3]; -}; - -#endif diff --git a/arch/sparc/include/asm/statfs.h b/arch/sparc/include/asm/statfs.h deleted file mode 100644 index 5e937a73743..00000000000 --- a/arch/sparc/include/asm/statfs.h +++ /dev/null @@ -1,8 +0,0 @@ -#ifndef ___ASM_SPARC_STATFS_H -#define ___ASM_SPARC_STATFS_H -#if defined(__sparc__) && defined(__arch64__) -#include <asm/statfs_64.h> -#else -#include <asm/statfs_32.h> -#endif -#endif diff --git a/arch/sparc/include/asm/statfs_32.h b/arch/sparc/include/asm/statfs_32.h deleted file mode 100644 index 304520fa886..00000000000 --- a/arch/sparc/include/asm/statfs_32.h +++ /dev/null @@ -1,6 +0,0 @@ -#ifndef _SPARC_STATFS_H -#define _SPARC_STATFS_H - -#include <asm-generic/statfs.h> - -#endif diff --git a/arch/sparc/include/asm/statfs_64.h b/arch/sparc/include/asm/statfs_64.h deleted file mode 100644 index 79b3c890a5f..00000000000 --- a/arch/sparc/include/asm/statfs_64.h +++ /dev/null @@ -1,54 +0,0 @@ -#ifndef _SPARC64_STATFS_H -#define _SPARC64_STATFS_H - -#ifndef __KERNEL_STRICT_NAMES - -#include <linux/types.h> - -typedef __kernel_fsid_t fsid_t; - -#endif - -struct statfs { - long f_type; - long f_bsize; - long f_blocks; - long f_bfree; - long f_bavail; - long f_files; - long f_ffree; - __kernel_fsid_t f_fsid; - long f_namelen; - long f_frsize; - long f_spare[5]; -}; - -struct statfs64 { - long f_type; - long f_bsize; - long f_blocks; - long f_bfree; - long f_bavail; - long f_files; - long f_ffree; - __kernel_fsid_t f_fsid; - long f_namelen; - long f_frsize; - long f_spare[5]; -}; - -struct compat_statfs64 { - __u32 f_type; - __u32 f_bsize; - __u64 f_blocks; - __u64 f_bfree; - __u64 f_bavail; - __u64 f_files; - __u64 f_ffree; - __kernel_fsid_t f_fsid; - __u32 f_namelen; - __u32 f_frsize; - __u32 f_spare[5]; -}; - -#endif diff --git a/arch/sparc/include/asm/string_32.h b/arch/sparc/include/asm/string_32.h index 6c5fddb7e6b..69974e92461 100644 --- a/arch/sparc/include/asm/string_32.h +++ b/arch/sparc/include/asm/string_32.h @@ -15,9 +15,7 @@ #ifdef __KERNEL__ -extern void __memmove(void *,const void *,__kernel_size_t); -extern __kernel_size_t __memcpy(void *,const void *,__kernel_size_t); -extern __kernel_size_t __memset(void *,int,__kernel_size_t); +void __memmove(void *,const void *,__kernel_size_t); #ifndef EXPORT_SYMTAB_STROPS @@ -32,90 +30,18 @@ extern __kernel_size_t __memset(void *,int,__kernel_size_t); }) #define __HAVE_ARCH_MEMCPY - -static inline void *__constant_memcpy(void *to, const void *from, __kernel_size_t n) -{ - extern void __copy_1page(void *, const void *); - - if(n <= 32) { - __builtin_memcpy(to, from, n); - } else if (((unsigned int) to & 7) != 0) { - /* Destination is not aligned on the double-word boundary */ - __memcpy(to, from, n); - } else { - switch(n) { - case PAGE_SIZE: - __copy_1page(to, from); - break; - default: - __memcpy(to, from, n); - break; - } - } - return to; -} - -static inline void *__nonconstant_memcpy(void *to, const void *from, __kernel_size_t n) -{ - __memcpy(to, from, n); - return to; -} - -#undef memcpy -#define memcpy(t, f, n) \ -(__builtin_constant_p(n) ? \ - __constant_memcpy((t),(f),(n)) : \ - __nonconstant_memcpy((t),(f),(n))) +#define memcpy(t, f, n) __builtin_memcpy(t, f, n) #define __HAVE_ARCH_MEMSET - -static inline void *__constant_c_and_count_memset(void *s, char c, __kernel_size_t count) -{ - extern void bzero_1page(void *); - extern __kernel_size_t __bzero(void *, __kernel_size_t); - - if(!c) { - if(count == PAGE_SIZE) - bzero_1page(s); - else - __bzero(s, count); - } else { - __memset(s, c, count); - } - return s; -} - -static inline void *__constant_c_memset(void *s, char c, __kernel_size_t count) -{ - extern __kernel_size_t __bzero(void *, __kernel_size_t); - - if(!c) - __bzero(s, count); - else - __memset(s, c, count); - return s; -} - -static inline void *__nonconstant_memset(void *s, char c, __kernel_size_t count) -{ - __memset(s, c, count); - return s; -} - -#undef memset -#define memset(s, c, count) \ -(__builtin_constant_p(c) ? (__builtin_constant_p(count) ? \ - __constant_c_and_count_memset((s), (c), (count)) : \ - __constant_c_memset((s), (c), (count))) \ - : __nonconstant_memset((s), (c), (count))) +#define memset(s, c, count) __builtin_memset(s, c, count) #define __HAVE_ARCH_MEMSCAN #undef memscan #define memscan(__arg0, __char, __arg2) \ ({ \ - extern void *__memscan_zero(void *, size_t); \ - extern void *__memscan_generic(void *, int, size_t); \ + void *__memscan_zero(void *, size_t); \ + void *__memscan_generic(void *, int, size_t); \ void *__retval, *__addr = (__arg0); \ size_t __size = (__arg2); \ \ @@ -128,75 +54,14 @@ static inline void *__nonconstant_memset(void *s, char c, __kernel_size_t count) }) #define __HAVE_ARCH_MEMCMP -extern int memcmp(const void *,const void *,__kernel_size_t); +int memcmp(const void *,const void *,__kernel_size_t); /* Now the str*() stuff... */ #define __HAVE_ARCH_STRLEN -extern __kernel_size_t strlen(const char *); +__kernel_size_t strlen(const char *); #define __HAVE_ARCH_STRNCMP - -extern int __strncmp(const char *, const char *, __kernel_size_t); - -static inline int __constant_strncmp(const char *src, const char *dest, __kernel_size_t count) -{ - register int retval; - switch(count) { - case 0: return 0; - case 1: return (src[0] - dest[0]); - case 2: retval = (src[0] - dest[0]); - if(!retval && src[0]) - retval = (src[1] - dest[1]); - return retval; - case 3: retval = (src[0] - dest[0]); - if(!retval && src[0]) { - retval = (src[1] - dest[1]); - if(!retval && src[1]) - retval = (src[2] - dest[2]); - } - return retval; - case 4: retval = (src[0] - dest[0]); - if(!retval && src[0]) { - retval = (src[1] - dest[1]); - if(!retval && src[1]) { - retval = (src[2] - dest[2]); - if (!retval && src[2]) - retval = (src[3] - dest[3]); - } - } - return retval; - case 5: retval = (src[0] - dest[0]); - if(!retval && src[0]) { - retval = (src[1] - dest[1]); - if(!retval && src[1]) { - retval = (src[2] - dest[2]); - if (!retval && src[2]) { - retval = (src[3] - dest[3]); - if (!retval && src[3]) - retval = (src[4] - dest[4]); - } - } - } - return retval; - default: - retval = (src[0] - dest[0]); - if(!retval && src[0]) { - retval = (src[1] - dest[1]); - if(!retval && src[1]) { - retval = (src[2] - dest[2]); - if(!retval && src[2]) - retval = __strncmp(src+3,dest+3,count-3); - } - } - return retval; - } -} - -#undef strncmp -#define strncmp(__arg0, __arg1, __arg2) \ -(__builtin_constant_p(__arg2) ? \ - __constant_strncmp(__arg0, __arg1, __arg2) : \ - __strncmp(__arg0, __arg1, __arg2)) +int strncmp(const char *, const char *, __kernel_size_t); #endif /* !EXPORT_SYMTAB_STROPS */ diff --git a/arch/sparc/include/asm/string_64.h b/arch/sparc/include/asm/string_64.h index 43161f2d17e..5936b8ff3c0 100644 --- a/arch/sparc/include/asm/string_64.h +++ b/arch/sparc/include/asm/string_64.h @@ -15,46 +15,25 @@ #include <asm/asi.h> -extern void *__memset(void *,int,__kernel_size_t); - #ifndef EXPORT_SYMTAB_STROPS /* First the mem*() things. */ #define __HAVE_ARCH_MEMMOVE -extern void *memmove(void *, const void *, __kernel_size_t); +void *memmove(void *, const void *, __kernel_size_t); #define __HAVE_ARCH_MEMCPY -extern void *memcpy(void *, const void *, __kernel_size_t); +#define memcpy(t, f, n) __builtin_memcpy(t, f, n) #define __HAVE_ARCH_MEMSET -extern void *__builtin_memset(void *,int,__kernel_size_t); - -static inline void *__constant_memset(void *s, int c, __kernel_size_t count) -{ - extern __kernel_size_t __bzero(void *, __kernel_size_t); - - if (!c) { - __bzero(s, count); - return s; - } else - return __memset(s, c, count); -} - -#undef memset -#define memset(s, c, count) \ -((__builtin_constant_p(count) && (count) <= 32) ? \ - __builtin_memset((s), (c), (count)) : \ - (__builtin_constant_p(c) ? \ - __constant_memset((s), (c), (count)) : \ - __memset((s), (c), (count)))) +#define memset(s, c, count) __builtin_memset(s, c, count) #define __HAVE_ARCH_MEMSCAN #undef memscan #define memscan(__arg0, __char, __arg2) \ ({ \ - extern void *__memscan_zero(void *, size_t); \ - extern void *__memscan_generic(void *, int, size_t); \ + void *__memscan_zero(void *, size_t); \ + void *__memscan_generic(void *, int, size_t); \ void *__retval, *__addr = (__arg0); \ size_t __size = (__arg2); \ \ @@ -67,14 +46,14 @@ static inline void *__constant_memset(void *s, int c, __kernel_size_t count) }) #define __HAVE_ARCH_MEMCMP -extern int memcmp(const void *,const void *,__kernel_size_t); +int memcmp(const void *,const void *,__kernel_size_t); /* Now the str*() stuff... */ #define __HAVE_ARCH_STRLEN -extern __kernel_size_t strlen(const char *); +__kernel_size_t strlen(const char *); #define __HAVE_ARCH_STRNCMP -extern int strncmp(const char *, const char *, __kernel_size_t); +int strncmp(const char *, const char *, __kernel_size_t); #endif /* !EXPORT_SYMTAB_STROPS */ diff --git a/arch/sparc/include/asm/sun4paddr.h b/arch/sparc/include/asm/sun4paddr.h deleted file mode 100644 index d52985f19f4..00000000000 --- a/arch/sparc/include/asm/sun4paddr.h +++ /dev/null @@ -1,56 +0,0 @@ -/* - * sun4paddr.h: Various physical addresses on sun4 machines - * - * Copyright (C) 1997 Anton Blanchard (anton@progsoc.uts.edu.au) - * Copyright (C) 1998 Chris Davis (cdavis@cois.on.ca) - * - * Now supports more sun4's - */ - -#ifndef _SPARC_SUN4PADDR_H -#define _SPARC_SUN4PADDR_H - -#define SUN4_IE_PHYSADDR 0xf5000000 -#define SUN4_UNUSED_PHYSADDR 0 - -/* these work for me */ -#define SUN4_200_MEMREG_PHYSADDR 0xf4000000 -#define SUN4_200_CLOCK_PHYSADDR 0xf3000000 -#define SUN4_200_BWTWO_PHYSADDR 0xfd000000 -#define SUN4_200_ETH_PHYSADDR 0xf6000000 -#define SUN4_200_SI_PHYSADDR 0xff200000 - -/* these were here before */ -#define SUN4_300_MEMREG_PHYSADDR 0xf4000000 -#define SUN4_300_CLOCK_PHYSADDR 0xf2000000 -#define SUN4_300_TIMER_PHYSADDR 0xef000000 -#define SUN4_300_ETH_PHYSADDR 0xf9000000 -#define SUN4_300_BWTWO_PHYSADDR 0xfb400000 -#define SUN4_300_DMA_PHYSADDR 0xfa001000 -#define SUN4_300_ESP_PHYSADDR 0xfa000000 - -/* Are these right? */ -#define SUN4_400_MEMREG_PHYSADDR 0xf4000000 -#define SUN4_400_CLOCK_PHYSADDR 0xf2000000 -#define SUN4_400_TIMER_PHYSADDR 0xef000000 -#define SUN4_400_ETH_PHYSADDR 0xf9000000 -#define SUN4_400_BWTWO_PHYSADDR 0xfb400000 -#define SUN4_400_DMA_PHYSADDR 0xfa001000 -#define SUN4_400_ESP_PHYSADDR 0xfa000000 - -/* - these are the actual values set and used in the code. Unused items set - to SUN_UNUSED_PHYSADDR - */ - -extern int sun4_memreg_physaddr; /* memory register (ecc?) */ -extern int sun4_clock_physaddr; /* system clock */ -extern int sun4_timer_physaddr; /* timer, where applicable */ -extern int sun4_eth_physaddr; /* onboard ethernet (ie/le) */ -extern int sun4_si_physaddr; /* sun3 scsi adapter */ -extern int sun4_bwtwo_physaddr; /* onboard bw2 */ -extern int sun4_dma_physaddr; /* scsi dma */ -extern int sun4_esp_physaddr; /* esp scsi */ -extern int sun4_ie_physaddr; /* interrupt enable */ - -#endif /* !(_SPARC_SUN4PADDR_H) */ diff --git a/arch/sparc/include/asm/sun4prom.h b/arch/sparc/include/asm/sun4prom.h deleted file mode 100644 index 9c8b4cbf629..00000000000 --- a/arch/sparc/include/asm/sun4prom.h +++ /dev/null @@ -1,83 +0,0 @@ -/* - * sun4prom.h -- interface to sun4 PROM monitor. We don't use most of this, - * so most of these are just placeholders. - */ - -#ifndef _SUN4PROM_H_ -#define _SUN4PROM_H_ - -/* - * Although this looks similar to an romvec for a OpenProm machine, it is - * actually closer to what was used in the Sun2 and Sun3. - * - * V2 entries exist only in version 2 PROMs and later, V3 in version 3 and later. - * - * Many of the function prototypes are guesses. Some are certainly wrong. - * Use with care. - */ - -typedef struct { - char *initSP; /* Initial system stack ptr */ - void (*startmon)(void); /* Initial PC for hardware */ - int *diagberr; /* Bus err handler for diags */ - struct linux_arguments_v0 **bootParam; /* Info for bootstrapped pgm */ - unsigned int *memorysize; /* Usable memory in bytes */ - unsigned char (*getchar)(void); /* Get char from input device */ - void (*putchar)(char); /* Put char to output device */ - int (*mayget)(void); /* Maybe get char, or -1 */ - int (*mayput)(int); /* Maybe put char, or -1 */ - unsigned char *echo; /* Should getchar echo? */ - unsigned char *insource; /* Input source selector */ - unsigned char *outsink; /* Output sink selector */ - int (*getkey)(void); /* Get next key if one exists */ - void (*initgetkey)(void); /* Initialize get key */ - unsigned int *translation; /* Kbd translation selector */ - unsigned char *keybid; /* Keyboard ID byte */ - int *screen_x; /* V2: Screen x pos (r/o) */ - int *screen_y; /* V2: Screen y pos (r/o) */ - struct keybuf *keybuf; /* Up/down keycode buffer */ - char *monid; /* Monitor version ID */ - void (*fbwritechar)(char); /* Write a character to FB */ - int *fbAddr; /* Address of frame buffer */ - char **font; /* Font table for FB */ - void (*fbwritestr)(char *); /* Write string to FB */ - void (*reboot)(char *); /* e.g. reboot("sd()vmlinux") */ - unsigned char *linebuf; /* The line input buffer */ - unsigned char **lineptr; /* Cur pointer into linebuf */ - int *linesize; /* length of line in linebuf */ - void (*getline)(char *); /* Get line from user */ - unsigned char (*getnextchar)(void); /* Get next char from linebuf */ - unsigned char (*peeknextchar)(void); /* Peek at next char */ - int *fbthere; /* =1 if frame buffer there */ - int (*getnum)(void); /* Grab hex num from line */ - int (*printf)(char *, ...); /* See prom_printf() instead */ - void (*printhex)(int); /* Format N digits in hex */ - unsigned char *leds; /* RAM copy of LED register */ - void (*setLEDs)(unsigned char *); /* Sets LED's and RAM copy */ - void (*NMIaddr)(void *); /* Addr for level 7 vector */ - void (*abortentry)(void); /* Entry for keyboard abort */ - int *nmiclock; /* Counts up in msec */ - int *FBtype; /* Frame buffer type */ - unsigned int romvecversion; /* Version number for this romvec */ - struct globram *globram; /* monitor global variables ??? */ - void * kbdaddr; /* Addr of keyboard in use */ - int *keyrinit; /* ms before kbd repeat */ - unsigned char *keyrtick; /* ms between repetitions */ - unsigned int *memoryavail; /* V1: Main mem usable size */ - long *resetaddr; /* where to jump on a reset */ - long *resetmap; /* pgmap entry for resetaddr */ - void (*exittomon)(void); /* Exit from user program */ - unsigned char **memorybitmap; /* V1: &{0 or &bits} */ - void (*setcxsegmap)(int ctxt, char *va, int pmeg); /* Set seg in any context */ - void (**vector_cmd)(void *); /* V2: Handler for 'v' cmd */ - unsigned long *expectedtrapsig; /* V3: Location of the expected trap signal */ - unsigned long *trapvectorbasetable; /* V3: Address of the trap vector table */ - int unused1; - int unused2; - int unused3; - int unused4; -} linux_sun4_romvec; - -extern linux_sun4_romvec *sun4_romvec; - -#endif /* _SUN4PROM_H_ */ diff --git a/arch/sparc/include/asm/switch_to.h b/arch/sparc/include/asm/switch_to.h new file mode 100644 index 00000000000..2dc4fa5c6f8 --- /dev/null +++ b/arch/sparc/include/asm/switch_to.h @@ -0,0 +1,8 @@ +#ifndef ___ASM_SPARC_SWITCH_TO_H +#define ___ASM_SPARC_SWITCH_TO_H +#if defined(__sparc__) && defined(__arch64__) +#include <asm/switch_to_64.h> +#else +#include <asm/switch_to_32.h> +#endif +#endif diff --git a/arch/sparc/include/asm/switch_to_32.h b/arch/sparc/include/asm/switch_to_32.h new file mode 100644 index 00000000000..16f10374feb --- /dev/null +++ b/arch/sparc/include/asm/switch_to_32.h @@ -0,0 +1,106 @@ +#ifndef __SPARC_SWITCH_TO_H +#define __SPARC_SWITCH_TO_H + +#include <asm/smp.h> + +extern struct thread_info *current_set[NR_CPUS]; + +/* + * Flush windows so that the VM switch which follows + * would not pull the stack from under us. + * + * SWITCH_ENTER and SWITH_DO_LAZY_FPU do not work yet (e.g. SMP does not work) + * XXX WTF is the above comment? Found in late teen 2.4.x. + */ +#ifdef CONFIG_SMP +#define SWITCH_ENTER(prv) \ + do { \ + if (test_tsk_thread_flag(prv, TIF_USEDFPU)) { \ + put_psr(get_psr() | PSR_EF); \ + fpsave(&(prv)->thread.float_regs[0], &(prv)->thread.fsr, \ + &(prv)->thread.fpqueue[0], &(prv)->thread.fpqdepth); \ + clear_tsk_thread_flag(prv, TIF_USEDFPU); \ + (prv)->thread.kregs->psr &= ~PSR_EF; \ + } \ + } while(0) + +#define SWITCH_DO_LAZY_FPU(next) /* */ +#else +#define SWITCH_ENTER(prv) /* */ +#define SWITCH_DO_LAZY_FPU(nxt) \ + do { \ + if (last_task_used_math != (nxt)) \ + (nxt)->thread.kregs->psr&=~PSR_EF; \ + } while(0) +#endif + +#define prepare_arch_switch(next) do { \ + __asm__ __volatile__( \ + ".globl\tflush_patch_switch\nflush_patch_switch:\n\t" \ + "save %sp, -0x40, %sp; save %sp, -0x40, %sp; save %sp, -0x40, %sp\n\t" \ + "save %sp, -0x40, %sp; save %sp, -0x40, %sp; save %sp, -0x40, %sp\n\t" \ + "save %sp, -0x40, %sp\n\t" \ + "restore; restore; restore; restore; restore; restore; restore"); \ +} while(0) + + /* Much care has gone into this code, do not touch it. + * + * We need to loadup regs l0/l1 for the newly forked child + * case because the trap return path relies on those registers + * holding certain values, gcc is told that they are clobbered. + * Gcc needs registers for 3 values in and 1 value out, so we + * clobber every non-fixed-usage register besides l2/l3/o4/o5. -DaveM + * + * Hey Dave, that do not touch sign is too much of an incentive + * - Anton & Pete + */ +#define switch_to(prev, next, last) do { \ + SWITCH_ENTER(prev); \ + SWITCH_DO_LAZY_FPU(next); \ + cpumask_set_cpu(smp_processor_id(), mm_cpumask(next->active_mm)); \ + __asm__ __volatile__( \ + "sethi %%hi(here - 0x8), %%o7\n\t" \ + "mov %%g6, %%g3\n\t" \ + "or %%o7, %%lo(here - 0x8), %%o7\n\t" \ + "rd %%psr, %%g4\n\t" \ + "std %%sp, [%%g6 + %4]\n\t" \ + "rd %%wim, %%g5\n\t" \ + "wr %%g4, 0x20, %%psr\n\t" \ + "nop\n\t" \ + "std %%g4, [%%g6 + %3]\n\t" \ + "ldd [%2 + %3], %%g4\n\t" \ + "mov %2, %%g6\n\t" \ + ".globl patchme_store_new_current\n" \ +"patchme_store_new_current:\n\t" \ + "st %2, [%1]\n\t" \ + "wr %%g4, 0x20, %%psr\n\t" \ + "nop\n\t" \ + "nop\n\t" \ + "nop\n\t" /* LEON needs all 3 nops: load to %sp depends on CWP. */ \ + "ldd [%%g6 + %4], %%sp\n\t" \ + "wr %%g5, 0x0, %%wim\n\t" \ + "ldd [%%sp + 0x00], %%l0\n\t" \ + "ldd [%%sp + 0x38], %%i6\n\t" \ + "wr %%g4, 0x0, %%psr\n\t" \ + "nop\n\t" \ + "nop\n\t" \ + "jmpl %%o7 + 0x8, %%g0\n\t" \ + " ld [%%g3 + %5], %0\n\t" \ + "here:\n" \ + : "=&r" (last) \ + : "r" (&(current_set[hard_smp_processor_id()])), \ + "r" (task_thread_info(next)), \ + "i" (TI_KPSR), \ + "i" (TI_KSP), \ + "i" (TI_TASK) \ + : "g1", "g2", "g3", "g4", "g5", "g7", \ + "l0", "l1", "l3", "l4", "l5", "l6", "l7", \ + "i0", "i1", "i2", "i3", "i4", "i5", \ + "o0", "o1", "o2", "o3", "o7"); \ + } while(0) + +void fpsave(unsigned long *fpregs, unsigned long *fsr, + void *fpqueue, unsigned long *fpqdepth); +void synchronize_user_stack(void); + +#endif /* __SPARC_SWITCH_TO_H */ diff --git a/arch/sparc/include/asm/switch_to_64.h b/arch/sparc/include/asm/switch_to_64.h new file mode 100644 index 00000000000..10e76332dc9 --- /dev/null +++ b/arch/sparc/include/asm/switch_to_64.h @@ -0,0 +1,71 @@ +#ifndef __SPARC64_SWITCH_TO_64_H +#define __SPARC64_SWITCH_TO_64_H + +#include <asm/visasm.h> + +#define prepare_arch_switch(next) \ +do { \ + flushw_all(); \ +} while (0) + + /* See what happens when you design the chip correctly? + * + * We tell gcc we clobber all non-fixed-usage registers except + * for l0/l1. It will use one for 'next' and the other to hold + * the output value of 'last'. 'next' is not referenced again + * past the invocation of switch_to in the scheduler, so we need + * not preserve it's value. Hairy, but it lets us remove 2 loads + * and 2 stores in this critical code path. -DaveM + */ +#define switch_to(prev, next, last) \ +do { save_and_clear_fpu(); \ + /* If you are tempted to conditionalize the following */ \ + /* so that ASI is only written if it changes, think again. */ \ + __asm__ __volatile__("wr %%g0, %0, %%asi" \ + : : "r" (task_thread_info(next)->current_ds));\ + trap_block[current_thread_info()->cpu].thread = \ + task_thread_info(next); \ + __asm__ __volatile__( \ + "mov %%g4, %%g7\n\t" \ + "stx %%i6, [%%sp + 2047 + 0x70]\n\t" \ + "stx %%i7, [%%sp + 2047 + 0x78]\n\t" \ + "rdpr %%wstate, %%o5\n\t" \ + "stx %%o6, [%%g6 + %6]\n\t" \ + "stb %%o5, [%%g6 + %5]\n\t" \ + "rdpr %%cwp, %%o5\n\t" \ + "stb %%o5, [%%g6 + %8]\n\t" \ + "wrpr %%g0, 15, %%pil\n\t" \ + "mov %4, %%g6\n\t" \ + "ldub [%4 + %8], %%g1\n\t" \ + "wrpr %%g1, %%cwp\n\t" \ + "ldx [%%g6 + %6], %%o6\n\t" \ + "ldub [%%g6 + %5], %%o5\n\t" \ + "ldub [%%g6 + %7], %%o7\n\t" \ + "wrpr %%o5, 0x0, %%wstate\n\t" \ + "ldx [%%sp + 2047 + 0x70], %%i6\n\t" \ + "ldx [%%sp + 2047 + 0x78], %%i7\n\t" \ + "ldx [%%g6 + %9], %%g4\n\t" \ + "wrpr %%g0, 14, %%pil\n\t" \ + "brz,pt %%o7, switch_to_pc\n\t" \ + " mov %%g7, %0\n\t" \ + "sethi %%hi(ret_from_fork), %%g1\n\t" \ + "jmpl %%g1 + %%lo(ret_from_fork), %%g0\n\t" \ + " nop\n\t" \ + ".globl switch_to_pc\n\t" \ + "switch_to_pc:\n\t" \ + : "=&r" (last), "=r" (current), "=r" (current_thread_info_reg), \ + "=r" (__local_per_cpu_offset) \ + : "0" (task_thread_info(next)), \ + "i" (TI_WSTATE), "i" (TI_KSP), "i" (TI_NEW_CHILD), \ + "i" (TI_CWP), "i" (TI_TASK) \ + : "cc", \ + "g1", "g2", "g3", "g7", \ + "l1", "l2", "l3", "l4", "l5", "l6", "l7", \ + "i0", "i1", "i2", "i3", "i4", "i5", \ + "o0", "o1", "o2", "o3", "o4", "o5", "o7"); \ +} while(0) + +void synchronize_user_stack(void); +void fault_in_user_windows(void); + +#endif /* __SPARC64_SWITCH_TO_64_H */ diff --git a/arch/sparc/include/asm/syscall.h b/arch/sparc/include/asm/syscall.h index 7486c605e23..025a02ad2e3 100644 --- a/arch/sparc/include/asm/syscall.h +++ b/arch/sparc/include/asm/syscall.h @@ -5,6 +5,13 @@ #include <linux/sched.h> #include <asm/ptrace.h> +/* + * The syscall table always contains 32 bit pointers since we know that the + * address of the function to be called is (way) below 4GB. So the "int" + * type here is what we want [need] for both 32 bit and 64 bit systems. + */ +extern const unsigned int sys_call_table[]; + /* The system call number is given by the user in %g1 */ static inline long syscall_get_nr(struct task_struct *task, struct pt_regs *regs) diff --git a/arch/sparc/include/asm/syscalls.h b/arch/sparc/include/asm/syscalls.h index 45a43f637a1..b0a0db8ea61 100644 --- a/arch/sparc/include/asm/syscalls.h +++ b/arch/sparc/include/asm/syscalls.h @@ -3,11 +3,9 @@ struct pt_regs; -extern asmlinkage long sparc_do_fork(unsigned long clone_flags, - unsigned long stack_start, - struct pt_regs *regs, - unsigned long stack_size); - -extern asmlinkage int sparc_execve(struct pt_regs *regs); +asmlinkage long sparc_do_fork(unsigned long clone_flags, + unsigned long stack_start, + struct pt_regs *regs, + unsigned long stack_size); #endif /* _SPARC64_SYSCALLS_H */ diff --git a/arch/sparc/include/asm/sysen.h b/arch/sparc/include/asm/sysen.h deleted file mode 100644 index 6af34abde6e..00000000000 --- a/arch/sparc/include/asm/sysen.h +++ /dev/null @@ -1,15 +0,0 @@ -/* - * sysen.h: Bit fields within the "System Enable" register accessed via - * the ASI_CONTROL address space at address AC_SYSENABLE. - * - * Copyright (C) 1994 David S. Miller (davem@caip.rutgers.edu) - */ - -#ifndef _SPARC_SYSEN_H -#define _SPARC_SYSEN_H - -#define SENABLE_DVMA 0x20 /* enable dvma transfers */ -#define SENABLE_CACHE 0x10 /* enable VAC cache */ -#define SENABLE_RESET 0x04 /* reset whole machine, danger Will Robinson */ - -#endif /* _SPARC_SYSEN_H */ diff --git a/arch/sparc/include/asm/system.h b/arch/sparc/include/asm/system.h deleted file mode 100644 index 7944a7cfc99..00000000000 --- a/arch/sparc/include/asm/system.h +++ /dev/null @@ -1,8 +0,0 @@ -#ifndef ___ASM_SPARC_SYSTEM_H -#define ___ASM_SPARC_SYSTEM_H -#if defined(__sparc__) && defined(__arch64__) -#include <asm/system_64.h> -#else -#include <asm/system_32.h> -#endif -#endif diff --git a/arch/sparc/include/asm/system_32.h b/arch/sparc/include/asm/system_32.h deleted file mode 100644 index b4b024445fc..00000000000 --- a/arch/sparc/include/asm/system_32.h +++ /dev/null @@ -1,288 +0,0 @@ -#ifndef __SPARC_SYSTEM_H -#define __SPARC_SYSTEM_H - -#include <linux/kernel.h> -#include <linux/threads.h> /* NR_CPUS */ -#include <linux/thread_info.h> - -#include <asm/page.h> -#include <asm/psr.h> -#include <asm/ptrace.h> -#include <asm/btfixup.h> -#include <asm/smp.h> - -#ifndef __ASSEMBLY__ - -#include <linux/irqflags.h> - -/* - * Sparc (general) CPU types - */ -enum sparc_cpu { - sun4 = 0x00, - sun4c = 0x01, - sun4m = 0x02, - sun4d = 0x03, - sun4e = 0x04, - sun4u = 0x05, /* V8 ploos ploos */ - sun_unknown = 0x06, - ap1000 = 0x07, /* almost a sun4m */ -}; - -/* Really, userland should not be looking at any of this... */ -#ifdef __KERNEL__ - -extern enum sparc_cpu sparc_cpu_model; - -#ifndef CONFIG_SUN4 -#define ARCH_SUN4C_SUN4 (sparc_cpu_model==sun4c) -#define ARCH_SUN4 0 -#else -#define ARCH_SUN4C_SUN4 1 -#define ARCH_SUN4 1 -#endif - -#define SUN4M_NCPUS 4 /* Architectural limit of sun4m. */ - -extern char reboot_command[]; - -extern struct thread_info *current_set[NR_CPUS]; - -extern unsigned long empty_bad_page; -extern unsigned long empty_bad_page_table; -extern unsigned long empty_zero_page; - -extern void sun_do_break(void); -extern int serial_console; -extern int stop_a_enabled; - -static inline int con_is_present(void) -{ - return serial_console ? 0 : 1; -} - -/* When a context switch happens we must flush all user windows so that - * the windows of the current process are flushed onto its stack. This - * way the windows are all clean for the next process and the stack - * frames are up to date. - */ -extern void flush_user_windows(void); -extern void kill_user_windows(void); -extern void synchronize_user_stack(void); -extern void fpsave(unsigned long *fpregs, unsigned long *fsr, - void *fpqueue, unsigned long *fpqdepth); - -#ifdef CONFIG_SMP -#define SWITCH_ENTER(prv) \ - do { \ - if (test_tsk_thread_flag(prv, TIF_USEDFPU)) { \ - put_psr(get_psr() | PSR_EF); \ - fpsave(&(prv)->thread.float_regs[0], &(prv)->thread.fsr, \ - &(prv)->thread.fpqueue[0], &(prv)->thread.fpqdepth); \ - clear_tsk_thread_flag(prv, TIF_USEDFPU); \ - (prv)->thread.kregs->psr &= ~PSR_EF; \ - } \ - } while(0) - -#define SWITCH_DO_LAZY_FPU(next) /* */ -#else -#define SWITCH_ENTER(prv) /* */ -#define SWITCH_DO_LAZY_FPU(nxt) \ - do { \ - if (last_task_used_math != (nxt)) \ - (nxt)->thread.kregs->psr&=~PSR_EF; \ - } while(0) -#endif - -extern void flushw_all(void); - -/* - * Flush windows so that the VM switch which follows - * would not pull the stack from under us. - * - * SWITCH_ENTER and SWITH_DO_LAZY_FPU do not work yet (e.g. SMP does not work) - * XXX WTF is the above comment? Found in late teen 2.4.x. - */ -#define prepare_arch_switch(next) do { \ - __asm__ __volatile__( \ - ".globl\tflush_patch_switch\nflush_patch_switch:\n\t" \ - "save %sp, -0x40, %sp; save %sp, -0x40, %sp; save %sp, -0x40, %sp\n\t" \ - "save %sp, -0x40, %sp; save %sp, -0x40, %sp; save %sp, -0x40, %sp\n\t" \ - "save %sp, -0x40, %sp\n\t" \ - "restore; restore; restore; restore; restore; restore; restore"); \ -} while(0) - - /* Much care has gone into this code, do not touch it. - * - * We need to loadup regs l0/l1 for the newly forked child - * case because the trap return path relies on those registers - * holding certain values, gcc is told that they are clobbered. - * Gcc needs registers for 3 values in and 1 value out, so we - * clobber every non-fixed-usage register besides l2/l3/o4/o5. -DaveM - * - * Hey Dave, that do not touch sign is too much of an incentive - * - Anton & Pete - */ -#define switch_to(prev, next, last) do { \ - SWITCH_ENTER(prev); \ - SWITCH_DO_LAZY_FPU(next); \ - cpu_set(smp_processor_id(), next->active_mm->cpu_vm_mask); \ - __asm__ __volatile__( \ - "sethi %%hi(here - 0x8), %%o7\n\t" \ - "mov %%g6, %%g3\n\t" \ - "or %%o7, %%lo(here - 0x8), %%o7\n\t" \ - "rd %%psr, %%g4\n\t" \ - "std %%sp, [%%g6 + %4]\n\t" \ - "rd %%wim, %%g5\n\t" \ - "wr %%g4, 0x20, %%psr\n\t" \ - "nop\n\t" \ - "std %%g4, [%%g6 + %3]\n\t" \ - "ldd [%2 + %3], %%g4\n\t" \ - "mov %2, %%g6\n\t" \ - ".globl patchme_store_new_current\n" \ -"patchme_store_new_current:\n\t" \ - "st %2, [%1]\n\t" \ - "wr %%g4, 0x20, %%psr\n\t" \ - "nop\n\t" \ - "nop\n\t" \ - "nop\n\t" /* LEON needs all 3 nops: load to %sp depends on CWP. */ \ - "ldd [%%g6 + %4], %%sp\n\t" \ - "wr %%g5, 0x0, %%wim\n\t" \ - "ldd [%%sp + 0x00], %%l0\n\t" \ - "ldd [%%sp + 0x38], %%i6\n\t" \ - "wr %%g4, 0x0, %%psr\n\t" \ - "nop\n\t" \ - "nop\n\t" \ - "jmpl %%o7 + 0x8, %%g0\n\t" \ - " ld [%%g3 + %5], %0\n\t" \ - "here:\n" \ - : "=&r" (last) \ - : "r" (&(current_set[hard_smp_processor_id()])), \ - "r" (task_thread_info(next)), \ - "i" (TI_KPSR), \ - "i" (TI_KSP), \ - "i" (TI_TASK) \ - : "g1", "g2", "g3", "g4", "g5", "g7", \ - "l0", "l1", "l3", "l4", "l5", "l6", "l7", \ - "i0", "i1", "i2", "i3", "i4", "i5", \ - "o0", "o1", "o2", "o3", "o7"); \ - } while(0) - -/* XXX Change this if we ever use a PSO mode kernel. */ -#define mb() __asm__ __volatile__ ("" : : : "memory") -#define rmb() mb() -#define wmb() mb() -#define read_barrier_depends() do { } while(0) -#define set_mb(__var, __value) do { __var = __value; mb(); } while(0) -#define smp_mb() __asm__ __volatile__("":::"memory") -#define smp_rmb() __asm__ __volatile__("":::"memory") -#define smp_wmb() __asm__ __volatile__("":::"memory") -#define smp_read_barrier_depends() do { } while(0) - -#define nop() __asm__ __volatile__ ("nop") - -/* This has special calling conventions */ -#ifndef CONFIG_SMP -BTFIXUPDEF_CALL(void, ___xchg32, void) -#endif - -static inline unsigned long xchg_u32(__volatile__ unsigned long *m, unsigned long val) -{ -#ifdef CONFIG_SMP - __asm__ __volatile__("swap [%2], %0" - : "=&r" (val) - : "0" (val), "r" (m) - : "memory"); - return val; -#else - register unsigned long *ptr asm("g1"); - register unsigned long ret asm("g2"); - - ptr = (unsigned long *) m; - ret = val; - - /* Note: this is magic and the nop there is - really needed. */ - __asm__ __volatile__( - "mov %%o7, %%g4\n\t" - "call ___f____xchg32\n\t" - " nop\n\t" - : "=&r" (ret) - : "0" (ret), "r" (ptr) - : "g3", "g4", "g7", "memory", "cc"); - - return ret; -#endif -} - -#define xchg(ptr,x) ((__typeof__(*(ptr)))__xchg((unsigned long)(x),(ptr),sizeof(*(ptr)))) - -extern void __xchg_called_with_bad_pointer(void); - -static inline unsigned long __xchg(unsigned long x, __volatile__ void * ptr, int size) -{ - switch (size) { - case 4: - return xchg_u32(ptr, x); - }; - __xchg_called_with_bad_pointer(); - return x; -} - -/* Emulate cmpxchg() the same way we emulate atomics, - * by hashing the object address and indexing into an array - * of spinlocks to get a bit of performance... - * - * See arch/sparc/lib/atomic32.c for implementation. - * - * Cribbed from <asm-parisc/atomic.h> - */ -#define __HAVE_ARCH_CMPXCHG 1 - -/* bug catcher for when unsupported size is used - won't link */ -extern void __cmpxchg_called_with_bad_pointer(void); -/* we only need to support cmpxchg of a u32 on sparc */ -extern unsigned long __cmpxchg_u32(volatile u32 *m, u32 old, u32 new_); - -/* don't worry...optimizer will get rid of most of this */ -static inline unsigned long -__cmpxchg(volatile void *ptr, unsigned long old, unsigned long new_, int size) -{ - switch (size) { - case 4: - return __cmpxchg_u32((u32 *)ptr, (u32)old, (u32)new_); - default: - __cmpxchg_called_with_bad_pointer(); - break; - } - return old; -} - -#define cmpxchg(ptr, o, n) \ -({ \ - __typeof__(*(ptr)) _o_ = (o); \ - __typeof__(*(ptr)) _n_ = (n); \ - (__typeof__(*(ptr))) __cmpxchg((ptr), (unsigned long)_o_, \ - (unsigned long)_n_, sizeof(*(ptr))); \ -}) - -#include <asm-generic/cmpxchg-local.h> - -/* - * cmpxchg_local and cmpxchg64_local are atomic wrt current CPU. Always make - * them available. - */ -#define cmpxchg_local(ptr, o, n) \ - ((__typeof__(*(ptr)))__cmpxchg_local_generic((ptr), (unsigned long)(o),\ - (unsigned long)(n), sizeof(*(ptr)))) -#define cmpxchg64_local(ptr, o, n) __cmpxchg64_local_generic((ptr), (o), (n)) - -extern void die_if_kernel(char *str, struct pt_regs *regs) __attribute__ ((noreturn)); - -#endif /* __KERNEL__ */ - -#endif /* __ASSEMBLY__ */ - -#define arch_align_stack(x) (x) - -#endif /* !(__SPARC_SYSTEM_H) */ diff --git a/arch/sparc/include/asm/system_64.h b/arch/sparc/include/asm/system_64.h deleted file mode 100644 index db9e742a406..00000000000 --- a/arch/sparc/include/asm/system_64.h +++ /dev/null @@ -1,355 +0,0 @@ -#ifndef __SPARC64_SYSTEM_H -#define __SPARC64_SYSTEM_H - -#include <asm/ptrace.h> -#include <asm/processor.h> -#include <asm/visasm.h> - -#ifndef __ASSEMBLY__ - -#include <linux/irqflags.h> -#include <asm-generic/cmpxchg-local.h> - -/* - * Sparc (general) CPU types - */ -enum sparc_cpu { - sun4 = 0x00, - sun4c = 0x01, - sun4m = 0x02, - sun4d = 0x03, - sun4e = 0x04, - sun4u = 0x05, /* V8 ploos ploos */ - sun_unknown = 0x06, - ap1000 = 0x07, /* almost a sun4m */ -}; - -#define sparc_cpu_model sun4u - -/* This cannot ever be a sun4c nor sun4 :) That's just history. */ -#define ARCH_SUN4C_SUN4 0 -#define ARCH_SUN4 0 - -extern char reboot_command[]; - -/* These are here in an effort to more fully work around Spitfire Errata - * #51. Essentially, if a memory barrier occurs soon after a mispredicted - * branch, the chip can stop executing instructions until a trap occurs. - * Therefore, if interrupts are disabled, the chip can hang forever. - * - * It used to be believed that the memory barrier had to be right in the - * delay slot, but a case has been traced recently wherein the memory barrier - * was one instruction after the branch delay slot and the chip still hung. - * The offending sequence was the following in sym_wakeup_done() of the - * sym53c8xx_2 driver: - * - * call sym_ccb_from_dsa, 0 - * movge %icc, 0, %l0 - * brz,pn %o0, .LL1303 - * mov %o0, %l2 - * membar #LoadLoad - * - * The branch has to be mispredicted for the bug to occur. Therefore, we put - * the memory barrier explicitly into a "branch always, predicted taken" - * delay slot to avoid the problem case. - */ -#define membar_safe(type) \ -do { __asm__ __volatile__("ba,pt %%xcc, 1f\n\t" \ - " membar " type "\n" \ - "1:\n" \ - : : : "memory"); \ -} while (0) - -#define mb() \ - membar_safe("#LoadLoad | #LoadStore | #StoreStore | #StoreLoad") -#define rmb() \ - membar_safe("#LoadLoad") -#define wmb() \ - membar_safe("#StoreStore") -#define membar_storeload() \ - membar_safe("#StoreLoad") -#define membar_storeload_storestore() \ - membar_safe("#StoreLoad | #StoreStore") -#define membar_storeload_loadload() \ - membar_safe("#StoreLoad | #LoadLoad") -#define membar_storestore_loadstore() \ - membar_safe("#StoreStore | #LoadStore") - -#endif - -#define nop() __asm__ __volatile__ ("nop") - -#define read_barrier_depends() do { } while(0) -#define set_mb(__var, __value) \ - do { __var = __value; membar_storeload_storestore(); } while(0) - -#ifdef CONFIG_SMP -#define smp_mb() mb() -#define smp_rmb() rmb() -#define smp_wmb() wmb() -#define smp_read_barrier_depends() read_barrier_depends() -#else -#define smp_mb() __asm__ __volatile__("":::"memory") -#define smp_rmb() __asm__ __volatile__("":::"memory") -#define smp_wmb() __asm__ __volatile__("":::"memory") -#define smp_read_barrier_depends() do { } while(0) -#endif - -#define flushi(addr) __asm__ __volatile__ ("flush %0" : : "r" (addr) : "memory") - -#define flushw_all() __asm__ __volatile__("flushw") - -/* Performance counter register access. */ -#define read_pcr(__p) __asm__ __volatile__("rd %%pcr, %0" : "=r" (__p)) -#define write_pcr(__p) __asm__ __volatile__("wr %0, 0x0, %%pcr" : : "r" (__p)) -#define read_pic(__p) __asm__ __volatile__("rd %%pic, %0" : "=r" (__p)) - -/* Blackbird errata workaround. See commentary in - * arch/sparc64/kernel/smp.c:smp_percpu_timer_interrupt() - * for more information. - */ -#define reset_pic() \ - __asm__ __volatile__("ba,pt %xcc, 99f\n\t" \ - ".align 64\n" \ - "99:wr %g0, 0x0, %pic\n\t" \ - "rd %pic, %g0") - -#ifndef __ASSEMBLY__ - -extern void sun_do_break(void); -extern int stop_a_enabled; - -extern void fault_in_user_windows(void); -extern void synchronize_user_stack(void); - -extern void __flushw_user(void); -#define flushw_user() __flushw_user() - -#define flush_user_windows flushw_user -#define flush_register_windows flushw_all - -/* Don't hold the runqueue lock over context switch */ -#define __ARCH_WANT_UNLOCKED_CTXSW -#define prepare_arch_switch(next) \ -do { \ - flushw_all(); \ -} while (0) - - /* See what happens when you design the chip correctly? - * - * We tell gcc we clobber all non-fixed-usage registers except - * for l0/l1. It will use one for 'next' and the other to hold - * the output value of 'last'. 'next' is not referenced again - * past the invocation of switch_to in the scheduler, so we need - * not preserve it's value. Hairy, but it lets us remove 2 loads - * and 2 stores in this critical code path. -DaveM - */ -#define switch_to(prev, next, last) \ -do { if (test_thread_flag(TIF_PERFCTR)) { \ - unsigned long __tmp; \ - read_pcr(__tmp); \ - current_thread_info()->pcr_reg = __tmp; \ - read_pic(__tmp); \ - current_thread_info()->kernel_cntd0 += (unsigned int)(__tmp);\ - current_thread_info()->kernel_cntd1 += ((__tmp) >> 32); \ - } \ - flush_tlb_pending(); \ - save_and_clear_fpu(); \ - /* If you are tempted to conditionalize the following */ \ - /* so that ASI is only written if it changes, think again. */ \ - __asm__ __volatile__("wr %%g0, %0, %%asi" \ - : : "r" (__thread_flag_byte_ptr(task_thread_info(next))[TI_FLAG_BYTE_CURRENT_DS]));\ - trap_block[current_thread_info()->cpu].thread = \ - task_thread_info(next); \ - __asm__ __volatile__( \ - "mov %%g4, %%g7\n\t" \ - "stx %%i6, [%%sp + 2047 + 0x70]\n\t" \ - "stx %%i7, [%%sp + 2047 + 0x78]\n\t" \ - "rdpr %%wstate, %%o5\n\t" \ - "stx %%o6, [%%g6 + %6]\n\t" \ - "stb %%o5, [%%g6 + %5]\n\t" \ - "rdpr %%cwp, %%o5\n\t" \ - "stb %%o5, [%%g6 + %8]\n\t" \ - "mov %4, %%g6\n\t" \ - "ldub [%4 + %8], %%g1\n\t" \ - "wrpr %%g1, %%cwp\n\t" \ - "ldx [%%g6 + %6], %%o6\n\t" \ - "ldub [%%g6 + %5], %%o5\n\t" \ - "ldub [%%g6 + %7], %%o7\n\t" \ - "wrpr %%o5, 0x0, %%wstate\n\t" \ - "ldx [%%sp + 2047 + 0x70], %%i6\n\t" \ - "ldx [%%sp + 2047 + 0x78], %%i7\n\t" \ - "ldx [%%g6 + %9], %%g4\n\t" \ - "brz,pt %%o7, switch_to_pc\n\t" \ - " mov %%g7, %0\n\t" \ - "sethi %%hi(ret_from_syscall), %%g1\n\t" \ - "jmpl %%g1 + %%lo(ret_from_syscall), %%g0\n\t" \ - " nop\n\t" \ - ".globl switch_to_pc\n\t" \ - "switch_to_pc:\n\t" \ - : "=&r" (last), "=r" (current), "=r" (current_thread_info_reg), \ - "=r" (__local_per_cpu_offset) \ - : "0" (task_thread_info(next)), \ - "i" (TI_WSTATE), "i" (TI_KSP), "i" (TI_NEW_CHILD), \ - "i" (TI_CWP), "i" (TI_TASK) \ - : "cc", \ - "g1", "g2", "g3", "g7", \ - "l1", "l2", "l3", "l4", "l5", "l6", "l7", \ - "i0", "i1", "i2", "i3", "i4", "i5", \ - "o0", "o1", "o2", "o3", "o4", "o5", "o7"); \ - /* If you fuck with this, update ret_from_syscall code too. */ \ - if (test_thread_flag(TIF_PERFCTR)) { \ - write_pcr(current_thread_info()->pcr_reg); \ - reset_pic(); \ - } \ -} while(0) - -static inline unsigned long xchg32(__volatile__ unsigned int *m, unsigned int val) -{ - unsigned long tmp1, tmp2; - - __asm__ __volatile__( -" membar #StoreLoad | #LoadLoad\n" -" mov %0, %1\n" -"1: lduw [%4], %2\n" -" cas [%4], %2, %0\n" -" cmp %2, %0\n" -" bne,a,pn %%icc, 1b\n" -" mov %1, %0\n" -" membar #StoreLoad | #StoreStore\n" - : "=&r" (val), "=&r" (tmp1), "=&r" (tmp2) - : "0" (val), "r" (m) - : "cc", "memory"); - return val; -} - -static inline unsigned long xchg64(__volatile__ unsigned long *m, unsigned long val) -{ - unsigned long tmp1, tmp2; - - __asm__ __volatile__( -" membar #StoreLoad | #LoadLoad\n" -" mov %0, %1\n" -"1: ldx [%4], %2\n" -" casx [%4], %2, %0\n" -" cmp %2, %0\n" -" bne,a,pn %%xcc, 1b\n" -" mov %1, %0\n" -" membar #StoreLoad | #StoreStore\n" - : "=&r" (val), "=&r" (tmp1), "=&r" (tmp2) - : "0" (val), "r" (m) - : "cc", "memory"); - return val; -} - -#define xchg(ptr,x) ((__typeof__(*(ptr)))__xchg((unsigned long)(x),(ptr),sizeof(*(ptr)))) - -extern void __xchg_called_with_bad_pointer(void); - -static inline unsigned long __xchg(unsigned long x, __volatile__ void * ptr, - int size) -{ - switch (size) { - case 4: - return xchg32(ptr, x); - case 8: - return xchg64(ptr, x); - }; - __xchg_called_with_bad_pointer(); - return x; -} - -extern void die_if_kernel(char *str, struct pt_regs *regs) __attribute__ ((noreturn)); - -/* - * Atomic compare and exchange. Compare OLD with MEM, if identical, - * store NEW in MEM. Return the initial value in MEM. Success is - * indicated by comparing RETURN with OLD. - */ - -#define __HAVE_ARCH_CMPXCHG 1 - -static inline unsigned long -__cmpxchg_u32(volatile int *m, int old, int new) -{ - __asm__ __volatile__("membar #StoreLoad | #LoadLoad\n" - "cas [%2], %3, %0\n\t" - "membar #StoreLoad | #StoreStore" - : "=&r" (new) - : "0" (new), "r" (m), "r" (old) - : "memory"); - - return new; -} - -static inline unsigned long -__cmpxchg_u64(volatile long *m, unsigned long old, unsigned long new) -{ - __asm__ __volatile__("membar #StoreLoad | #LoadLoad\n" - "casx [%2], %3, %0\n\t" - "membar #StoreLoad | #StoreStore" - : "=&r" (new) - : "0" (new), "r" (m), "r" (old) - : "memory"); - - return new; -} - -/* This function doesn't exist, so you'll get a linker error - if something tries to do an invalid cmpxchg(). */ -extern void __cmpxchg_called_with_bad_pointer(void); - -static inline unsigned long -__cmpxchg(volatile void *ptr, unsigned long old, unsigned long new, int size) -{ - switch (size) { - case 4: - return __cmpxchg_u32(ptr, old, new); - case 8: - return __cmpxchg_u64(ptr, old, new); - } - __cmpxchg_called_with_bad_pointer(); - return old; -} - -#define cmpxchg(ptr,o,n) \ - ({ \ - __typeof__(*(ptr)) _o_ = (o); \ - __typeof__(*(ptr)) _n_ = (n); \ - (__typeof__(*(ptr))) __cmpxchg((ptr), (unsigned long)_o_, \ - (unsigned long)_n_, sizeof(*(ptr))); \ - }) - -/* - * cmpxchg_local and cmpxchg64_local are atomic wrt current CPU. Always make - * them available. - */ - -static inline unsigned long __cmpxchg_local(volatile void *ptr, - unsigned long old, - unsigned long new, int size) -{ - switch (size) { - case 4: - case 8: return __cmpxchg(ptr, old, new, size); - default: - return __cmpxchg_local_generic(ptr, old, new, size); - } - - return old; -} - -#define cmpxchg_local(ptr, o, n) \ - ((__typeof__(*(ptr)))__cmpxchg_local((ptr), (unsigned long)(o), \ - (unsigned long)(n), sizeof(*(ptr)))) -#define cmpxchg64_local(ptr, o, n) \ - ({ \ - BUILD_BUG_ON(sizeof(*(ptr)) != 8); \ - cmpxchg_local((ptr), (o), (n)); \ - }) - -#endif /* !(__ASSEMBLY__) */ - -#define arch_align_stack(x) (x) - -#endif /* !(__SPARC64_SYSTEM_H) */ diff --git a/arch/sparc/include/asm/termbits.h b/arch/sparc/include/asm/termbits.h index d6ca3e2754f..948067065ac 100644 --- a/arch/sparc/include/asm/termbits.h +++ b/arch/sparc/include/asm/termbits.h @@ -1,266 +1,8 @@ #ifndef _SPARC_TERMBITS_H #define _SPARC_TERMBITS_H -#include <linux/posix_types.h> +#include <uapi/asm/termbits.h> -typedef unsigned char cc_t; -typedef unsigned int speed_t; - -#if defined(__sparc__) && defined(__arch64__) -typedef unsigned int tcflag_t; -#else -typedef unsigned long tcflag_t; -#endif - -#define NCC 8 -struct termio { - unsigned short c_iflag; /* input mode flags */ - unsigned short c_oflag; /* output mode flags */ - unsigned short c_cflag; /* control mode flags */ - unsigned short c_lflag; /* local mode flags */ - unsigned char c_line; /* line discipline */ - unsigned char c_cc[NCC]; /* control characters */ -}; - -#define NCCS 17 -struct termios { - tcflag_t c_iflag; /* input mode flags */ - tcflag_t c_oflag; /* output mode flags */ - tcflag_t c_cflag; /* control mode flags */ - tcflag_t c_lflag; /* local mode flags */ - cc_t c_line; /* line discipline */ - cc_t c_cc[NCCS]; /* control characters */ -#ifdef __KERNEL__ -#define SIZEOF_USER_TERMIOS sizeof (struct termios) - (2*sizeof (cc_t)) - cc_t _x_cc[2]; /* We need them to hold vmin/vtime */ -#endif -}; - -struct termios2 { - tcflag_t c_iflag; /* input mode flags */ - tcflag_t c_oflag; /* output mode flags */ - tcflag_t c_cflag; /* control mode flags */ - tcflag_t c_lflag; /* local mode flags */ - cc_t c_line; /* line discipline */ - cc_t c_cc[NCCS]; /* control characters */ - cc_t _x_cc[2]; /* padding to match ktermios */ - speed_t c_ispeed; /* input speed */ - speed_t c_ospeed; /* output speed */ -}; - -struct ktermios { - tcflag_t c_iflag; /* input mode flags */ - tcflag_t c_oflag; /* output mode flags */ - tcflag_t c_cflag; /* control mode flags */ - tcflag_t c_lflag; /* local mode flags */ - cc_t c_line; /* line discipline */ - cc_t c_cc[NCCS]; /* control characters */ - cc_t _x_cc[2]; /* We need them to hold vmin/vtime */ - speed_t c_ispeed; /* input speed */ - speed_t c_ospeed; /* output speed */ -}; - -/* c_cc characters */ -#define VINTR 0 -#define VQUIT 1 -#define VERASE 2 -#define VKILL 3 -#define VEOF 4 -#define VEOL 5 -#define VEOL2 6 -#define VSWTC 7 -#define VSTART 8 -#define VSTOP 9 - - - -#define VSUSP 10 -#define VDSUSP 11 /* SunOS POSIX nicety I do believe... */ -#define VREPRINT 12 -#define VDISCARD 13 -#define VWERASE 14 -#define VLNEXT 15 - -/* Kernel keeps vmin/vtime separated, user apps assume vmin/vtime is - * shared with eof/eol - */ -#ifdef __KERNEL__ #define VMIN 16 #define VTIME 17 -#else -#define VMIN VEOF -#define VTIME VEOL -#endif - -/* c_iflag bits */ -#define IGNBRK 0x00000001 -#define BRKINT 0x00000002 -#define IGNPAR 0x00000004 -#define PARMRK 0x00000008 -#define INPCK 0x00000010 -#define ISTRIP 0x00000020 -#define INLCR 0x00000040 -#define IGNCR 0x00000080 -#define ICRNL 0x00000100 -#define IUCLC 0x00000200 -#define IXON 0x00000400 -#define IXANY 0x00000800 -#define IXOFF 0x00001000 -#define IMAXBEL 0x00002000 -#define IUTF8 0x00004000 - -/* c_oflag bits */ -#define OPOST 0x00000001 -#define OLCUC 0x00000002 -#define ONLCR 0x00000004 -#define OCRNL 0x00000008 -#define ONOCR 0x00000010 -#define ONLRET 0x00000020 -#define OFILL 0x00000040 -#define OFDEL 0x00000080 -#define NLDLY 0x00000100 -#define NL0 0x00000000 -#define NL1 0x00000100 -#define CRDLY 0x00000600 -#define CR0 0x00000000 -#define CR1 0x00000200 -#define CR2 0x00000400 -#define CR3 0x00000600 -#define TABDLY 0x00001800 -#define TAB0 0x00000000 -#define TAB1 0x00000800 -#define TAB2 0x00001000 -#define TAB3 0x00001800 -#define XTABS 0x00001800 -#define BSDLY 0x00002000 -#define BS0 0x00000000 -#define BS1 0x00002000 -#define VTDLY 0x00004000 -#define VT0 0x00000000 -#define VT1 0x00004000 -#define FFDLY 0x00008000 -#define FF0 0x00000000 -#define FF1 0x00008000 -#define PAGEOUT 0x00010000 /* SUNOS specific */ -#define WRAP 0x00020000 /* SUNOS specific */ - -/* c_cflag bit meaning */ -#define CBAUD 0x0000100f -#define B0 0x00000000 /* hang up */ -#define B50 0x00000001 -#define B75 0x00000002 -#define B110 0x00000003 -#define B134 0x00000004 -#define B150 0x00000005 -#define B200 0x00000006 -#define B300 0x00000007 -#define B600 0x00000008 -#define B1200 0x00000009 -#define B1800 0x0000000a -#define B2400 0x0000000b -#define B4800 0x0000000c -#define B9600 0x0000000d -#define B19200 0x0000000e -#define B38400 0x0000000f -#define EXTA B19200 -#define EXTB B38400 -#define CSIZE 0x00000030 -#define CS5 0x00000000 -#define CS6 0x00000010 -#define CS7 0x00000020 -#define CS8 0x00000030 -#define CSTOPB 0x00000040 -#define CREAD 0x00000080 -#define PARENB 0x00000100 -#define PARODD 0x00000200 -#define HUPCL 0x00000400 -#define CLOCAL 0x00000800 -#define CBAUDEX 0x00001000 -/* We'll never see these speeds with the Zilogs, but for completeness... */ -#define BOTHER 0x00001000 -#define B57600 0x00001001 -#define B115200 0x00001002 -#define B230400 0x00001003 -#define B460800 0x00001004 -/* This is what we can do with the Zilogs. */ -#define B76800 0x00001005 -/* This is what we can do with the SAB82532. */ -#define B153600 0x00001006 -#define B307200 0x00001007 -#define B614400 0x00001008 -#define B921600 0x00001009 -/* And these are the rest... */ -#define B500000 0x0000100a -#define B576000 0x0000100b -#define B1000000 0x0000100c -#define B1152000 0x0000100d -#define B1500000 0x0000100e -#define B2000000 0x0000100f -/* These have totally bogus values and nobody uses them - so far. Later on we'd have to use say 0x10000x and - adjust CBAUD constant and drivers accordingly. -#define B2500000 0x00001010 -#define B3000000 0x00001011 -#define B3500000 0x00001012 -#define B4000000 0x00001013 */ -#define CIBAUD 0x100f0000 /* input baud rate (not used) */ -#define CMSPAR 0x40000000 /* mark or space (stick) parity */ -#define CRTSCTS 0x80000000 /* flow control */ - -#define IBSHIFT 16 /* Shift from CBAUD to CIBAUD */ - -/* c_lflag bits */ -#define ISIG 0x00000001 -#define ICANON 0x00000002 -#define XCASE 0x00000004 -#define ECHO 0x00000008 -#define ECHOE 0x00000010 -#define ECHOK 0x00000020 -#define ECHONL 0x00000040 -#define NOFLSH 0x00000080 -#define TOSTOP 0x00000100 -#define ECHOCTL 0x00000200 -#define ECHOPRT 0x00000400 -#define ECHOKE 0x00000800 -#define DEFECHO 0x00001000 /* SUNOS thing, what is it? */ -#define FLUSHO 0x00002000 -#define PENDIN 0x00004000 -#define IEXTEN 0x00008000 - -/* modem lines */ -#define TIOCM_LE 0x001 -#define TIOCM_DTR 0x002 -#define TIOCM_RTS 0x004 -#define TIOCM_ST 0x008 -#define TIOCM_SR 0x010 -#define TIOCM_CTS 0x020 -#define TIOCM_CAR 0x040 -#define TIOCM_RNG 0x080 -#define TIOCM_DSR 0x100 -#define TIOCM_CD TIOCM_CAR -#define TIOCM_RI TIOCM_RNG -#define TIOCM_OUT1 0x2000 -#define TIOCM_OUT2 0x4000 -#define TIOCM_LOOP 0x8000 - -/* ioctl (fd, TIOCSERGETLSR, &result) where result may be as below */ -#define TIOCSER_TEMT 0x01 /* Transmitter physically empty */ - - -/* tcflow() and TCXONC use these */ -#define TCOOFF 0 -#define TCOON 1 -#define TCIOFF 2 -#define TCION 3 - -/* tcflush() and TCFLSH use these */ -#define TCIFLUSH 0 -#define TCOFLUSH 1 -#define TCIOFLUSH 2 - -/* tcsetattr uses these */ -#define TCSANOW 0 -#define TCSADRAIN 1 -#define TCSAFLUSH 2 - #endif /* !(_SPARC_TERMBITS_H) */ diff --git a/arch/sparc/include/asm/termios.h b/arch/sparc/include/asm/termios.h index e8ba9539964..0c2414ddd52 100644 --- a/arch/sparc/include/asm/termios.h +++ b/arch/sparc/include/asm/termios.h @@ -1,46 +1,8 @@ #ifndef _SPARC_TERMIOS_H #define _SPARC_TERMIOS_H -#include <asm/ioctls.h> -#include <asm/termbits.h> +#include <uapi/asm/termios.h> -#if defined(__KERNEL__) || defined(__DEFINE_BSD_TERMIOS) -struct sgttyb { - char sg_ispeed; - char sg_ospeed; - char sg_erase; - char sg_kill; - short sg_flags; -}; - -struct tchars { - char t_intrc; - char t_quitc; - char t_startc; - char t_stopc; - char t_eofc; - char t_brkc; -}; - -struct ltchars { - char t_suspc; - char t_dsuspc; - char t_rprntc; - char t_flushc; - char t_werasc; - char t_lnextc; -}; -#endif /* __KERNEL__ */ - -struct winsize { - unsigned short ws_row; - unsigned short ws_col; - unsigned short ws_xpixel; - unsigned short ws_ypixel; -}; - -#ifdef __KERNEL__ -#include <linux/module.h> /* * c_cc characters in the termio structure. Oh, how I love being @@ -181,6 +143,4 @@ struct winsize { err; \ }) -#endif /* __KERNEL__ */ - #endif /* _SPARC_TERMIOS_H */ diff --git a/arch/sparc/include/asm/thread_info_32.h b/arch/sparc/include/asm/thread_info_32.h index cbb892d0dff..96efa7adc22 100644 --- a/arch/sparc/include/asm/thread_info_32.h +++ b/arch/sparc/include/asm/thread_info_32.h @@ -15,7 +15,6 @@ #ifndef __ASSEMBLY__ -#include <asm/btfixup.h> #include <asm/ptrace.h> #include <asm/page.h> @@ -45,7 +44,7 @@ struct thread_info { /* A place to store user windows and stack pointers * when the stack needs inspection. */ - struct reg_window reg_window[NSWINS]; /* align for ldd! */ + struct reg_window32 reg_window[NSWINS]; /* align for ldd! */ unsigned long rwbuf_stkptrs[NSWINS]; unsigned long w_saved; @@ -54,8 +53,6 @@ struct thread_info { /* * macros/functions for gaining access to the thread information structure - * - * preempt_count needs to be 1 initially, until the scheduler is functional. */ #define INIT_THREAD_INFO(tsk) \ { \ @@ -64,7 +61,7 @@ struct thread_info { .exec_domain = &default_exec_domain, \ .flags = 0, \ .cpu = 0, \ - .preempt_count = 1, \ + .preempt_count = INIT_PREEMPT_COUNT, \ .restart_block = { \ .fn = do_no_restart_syscall, \ }, \ @@ -80,28 +77,12 @@ register struct thread_info *current_thread_info_reg asm("g6"); /* * thread information allocation */ -#if PAGE_SHIFT == 13 -#define THREAD_INFO_ORDER 0 -#else /* PAGE_SHIFT */ -#define THREAD_INFO_ORDER 1 -#endif - -#define __HAVE_ARCH_THREAD_INFO_ALLOCATOR - -BTFIXUPDEF_CALL(struct thread_info *, alloc_thread_info, void) -#define alloc_thread_info(tsk) BTFIXUP_CALL(alloc_thread_info)() - -BTFIXUPDEF_CALL(void, free_thread_info, struct thread_info *) -#define free_thread_info(ti) BTFIXUP_CALL(free_thread_info)(ti) +#define THREAD_SIZE_ORDER 1 #endif /* __ASSEMBLY__ */ -/* - * Size of kernel stack for each process. - * Observe the order of get_free_pages() in alloc_thread_info(). - * The sun4 has 8K stack too, because it's short on memory, and 16K is a waste. - */ -#define THREAD_SIZE 8192 +/* Size of kernel stack for each process */ +#define THREAD_SIZE (2 * PAGE_SIZE) /* * Offsets in thread_info structure, used in assembly code @@ -124,8 +105,6 @@ BTFIXUPDEF_CALL(void, free_thread_info, struct thread_info *) #define TI_W_SAVED 0x250 /* #define TI_RESTART_BLOCK 0x25n */ /* Nobody cares */ -#define PREEMPT_ACTIVE 0x4000000 - /* * thread information flag bit numbers */ @@ -138,20 +117,18 @@ BTFIXUPDEF_CALL(void, free_thread_info, struct thread_info *) * this quantum (SMP) */ #define TIF_POLLING_NRFLAG 9 /* true if poll_idle() is polling * TIF_NEED_RESCHED */ -#define TIF_MEMDIE 10 +#define TIF_MEMDIE 10 /* is terminating due to OOM killer */ /* as above, but as bit values */ #define _TIF_SYSCALL_TRACE (1<<TIF_SYSCALL_TRACE) #define _TIF_NOTIFY_RESUME (1<<TIF_NOTIFY_RESUME) #define _TIF_SIGPENDING (1<<TIF_SIGPENDING) #define _TIF_NEED_RESCHED (1<<TIF_NEED_RESCHED) -#define _TIF_RESTORE_SIGMASK (1<<TIF_RESTORE_SIGMASK) #define _TIF_USEDFPU (1<<TIF_USEDFPU) #define _TIF_POLLING_NRFLAG (1<<TIF_POLLING_NRFLAG) #define _TIF_DO_NOTIFY_RESUME_MASK (_TIF_NOTIFY_RESUME | \ - _TIF_SIGPENDING | \ - _TIF_RESTORE_SIGMASK) + _TIF_SIGPENDING) #endif /* __KERNEL__ */ diff --git a/arch/sparc/include/asm/thread_info_64.h b/arch/sparc/include/asm/thread_info_64.h index c0a737d7292..a5f01ac6d0f 100644 --- a/arch/sparc/include/asm/thread_info_64.h +++ b/arch/sparc/include/asm/thread_info_64.h @@ -14,12 +14,12 @@ #define TI_FLAG_FAULT_CODE_SHIFT 56 #define TI_FLAG_BYTE_WSTATE 1 #define TI_FLAG_WSTATE_SHIFT 48 -#define TI_FLAG_BYTE_CWP 2 -#define TI_FLAG_CWP_SHIFT 40 -#define TI_FLAG_BYTE_CURRENT_DS 3 -#define TI_FLAG_CURRENT_DS_SHIFT 32 -#define TI_FLAG_BYTE_FPDEPTH 4 -#define TI_FLAG_FPDEPTH_SHIFT 24 +#define TI_FLAG_BYTE_NOERROR 2 +#define TI_FLAG_BYTE_NOERROR_SHIFT 40 +#define TI_FLAG_BYTE_FPDEPTH 3 +#define TI_FLAG_FPDEPTH_SHIFT 32 +#define TI_FLAG_BYTE_CWP 4 +#define TI_FLAG_CWP_SHIFT 24 #define TI_FLAG_BYTE_WSAVED 5 #define TI_FLAG_WSAVED_SHIFT 16 @@ -47,7 +47,7 @@ struct thread_info { struct exec_domain *exec_domain; int preempt_count; /* 0 => preemptable, <0 => BUG */ __u8 new_child; - __u8 syscall_noerror; + __u8 current_ds; __u16 cpu; unsigned long *utraps; @@ -58,11 +58,6 @@ struct thread_info { unsigned long gsr[7]; unsigned long xfsr[7]; - __u64 __user *user_cntd0; - __u64 __user *user_cntd1; - __u64 kernel_cntd0, kernel_cntd1; - __u64 pcr_reg; - struct restart_block restart_block; struct pt_regs *kern_una_regs; @@ -79,9 +74,9 @@ struct thread_info { #define TI_FAULT_CODE (TI_FLAGS + TI_FLAG_BYTE_FAULT_CODE) #define TI_WSTATE (TI_FLAGS + TI_FLAG_BYTE_WSTATE) #define TI_CWP (TI_FLAGS + TI_FLAG_BYTE_CWP) -#define TI_CURRENT_DS (TI_FLAGS + TI_FLAG_BYTE_CURRENT_DS) #define TI_FPDEPTH (TI_FLAGS + TI_FLAG_BYTE_FPDEPTH) #define TI_WSAVED (TI_FLAGS + TI_FLAG_BYTE_WSAVED) +#define TI_SYS_NOERROR (TI_FLAGS + TI_FLAG_BYTE_NOERROR) #define TI_FPSAVED 0x00000010 #define TI_KSP 0x00000018 #define TI_FAULT_ADDR 0x00000020 @@ -89,22 +84,17 @@ struct thread_info { #define TI_EXEC_DOMAIN 0x00000030 #define TI_PRE_COUNT 0x00000038 #define TI_NEW_CHILD 0x0000003c -#define TI_SYS_NOERROR 0x0000003d +#define TI_CURRENT_DS 0x0000003d #define TI_CPU 0x0000003e #define TI_UTRAPS 0x00000040 #define TI_REG_WINDOW 0x00000048 #define TI_RWIN_SPTRS 0x000003c8 #define TI_GSR 0x00000400 #define TI_XFSR 0x00000438 -#define TI_USER_CNTD0 0x00000470 -#define TI_USER_CNTD1 0x00000478 -#define TI_KERN_CNTD0 0x00000480 -#define TI_KERN_CNTD1 0x00000488 -#define TI_PCR 0x00000490 -#define TI_RESTART_BLOCK 0x00000498 -#define TI_KUNA_REGS 0x000004c0 -#define TI_KUNA_INSN 0x000004c8 -#define TI_FPREGS 0x00000500 +#define TI_RESTART_BLOCK 0x00000470 +#define TI_KUNA_REGS 0x000004a0 +#define TI_KUNA_INSN 0x000004a8 +#define TI_FPREGS 0x000004c0 /* We embed this in the uppermost byte of thread_info->flags */ #define FAULT_CODE_WRITE 0x01 /* Write access, implies D-TLB */ @@ -121,21 +111,17 @@ struct thread_info { #define THREAD_SHIFT PAGE_SHIFT #endif /* PAGE_SHIFT == 13 */ -#define PREEMPT_ACTIVE 0x4000000 - /* * macros/functions for gaining access to the thread information structure - * - * preempt_count needs to be 1 initially, until the scheduler is functional. */ #ifndef __ASSEMBLY__ #define INIT_THREAD_INFO(tsk) \ { \ .task = &tsk, \ - .flags = ((unsigned long)ASI_P) << TI_FLAG_CURRENT_DS_SHIFT, \ + .current_ds = ASI_P, \ .exec_domain = &default_exec_domain, \ - .preempt_count = 1, \ + .preempt_count = INIT_PREEMPT_COUNT, \ .restart_block = { \ .fn = do_no_restart_syscall, \ }, \ @@ -150,32 +136,11 @@ register struct thread_info *current_thread_info_reg asm("g6"); /* thread information allocation */ #if PAGE_SHIFT == 13 -#define __THREAD_INFO_ORDER 1 +#define THREAD_SIZE_ORDER 1 #else /* PAGE_SHIFT == 13 */ -#define __THREAD_INFO_ORDER 0 +#define THREAD_SIZE_ORDER 0 #endif /* PAGE_SHIFT == 13 */ -#define __HAVE_ARCH_THREAD_INFO_ALLOCATOR - -#ifdef CONFIG_DEBUG_STACK_USAGE -#define alloc_thread_info(tsk) \ -({ \ - struct thread_info *ret; \ - \ - ret = (struct thread_info *) \ - __get_free_pages(GFP_KERNEL, __THREAD_INFO_ORDER); \ - if (ret) \ - memset(ret, 0, PAGE_SIZE<<__THREAD_INFO_ORDER); \ - ret; \ -}) -#else -#define alloc_thread_info(tsk) \ - ((struct thread_info *)__get_free_pages(GFP_KERNEL, __THREAD_INFO_ORDER)) -#endif - -#define free_thread_info(ti) \ - free_pages((unsigned long)(ti),__THREAD_INFO_ORDER) - #define __thread_flag_byte_ptr(ti) \ ((unsigned char *)(&((ti)->flags))) #define __cur_thread_flag_byte_ptr __thread_flag_byte_ptr(current_thread_info()) @@ -186,13 +151,12 @@ register struct thread_info *current_thread_info_reg asm("g6"); #define set_thread_wstate(val) (__cur_thread_flag_byte_ptr[TI_FLAG_BYTE_WSTATE] = (val)) #define get_thread_cwp() (__cur_thread_flag_byte_ptr[TI_FLAG_BYTE_CWP]) #define set_thread_cwp(val) (__cur_thread_flag_byte_ptr[TI_FLAG_BYTE_CWP] = (val)) -#define get_thread_current_ds() (__cur_thread_flag_byte_ptr[TI_FLAG_BYTE_CURRENT_DS]) -#define set_thread_current_ds(val) (__cur_thread_flag_byte_ptr[TI_FLAG_BYTE_CURRENT_DS] = (val)) +#define get_thread_noerror() (__cur_thread_flag_byte_ptr[TI_FLAG_BYTE_NOERROR]) +#define set_thread_noerror(val) (__cur_thread_flag_byte_ptr[TI_FLAG_BYTE_NOERROR] = (val)) #define get_thread_fpdepth() (__cur_thread_flag_byte_ptr[TI_FLAG_BYTE_FPDEPTH]) #define set_thread_fpdepth(val) (__cur_thread_flag_byte_ptr[TI_FLAG_BYTE_FPDEPTH] = (val)) #define get_thread_wsaved() (__cur_thread_flag_byte_ptr[TI_FLAG_BYTE_WSAVED]) #define set_thread_wsaved(val) (__cur_thread_flag_byte_ptr[TI_FLAG_BYTE_WSAVED] = (val)) - #endif /* !(__ASSEMBLY__) */ /* @@ -201,7 +165,7 @@ register struct thread_info *current_thread_info_reg asm("g6"); * * On trap return we need to test several values: * - * user: need_resched, notify_resume, sigpending, wsaved, perfctr + * user: need_resched, notify_resume, sigpending, wsaved * kernel: fpdepth * * So to check for work in the kernel case we simply load the fpdepth @@ -222,37 +186,37 @@ register struct thread_info *current_thread_info_reg asm("g6"); #define TIF_NOTIFY_RESUME 1 /* callback before returning to user */ #define TIF_SIGPENDING 2 /* signal pending */ #define TIF_NEED_RESCHED 3 /* rescheduling necessary */ -#define TIF_PERFCTR 4 /* performance counters active */ +/* flag bit 4 is available */ #define TIF_UNALIGNED 5 /* allowed to do unaligned accesses */ /* flag bit 6 is available */ #define TIF_32BIT 7 /* 32-bit binary */ -/* flag bit 8 is available */ +#define TIF_NOHZ 8 /* in adaptive nohz mode */ #define TIF_SECCOMP 9 /* secure computing */ #define TIF_SYSCALL_AUDIT 10 /* syscall auditing active */ -/* flag bit 11 is available */ +#define TIF_SYSCALL_TRACEPOINT 11 /* syscall tracepoint instrumentation */ /* NOTE: Thread flags >= 12 should be ones we have no interest * in using in assembly, else we can't use the mask as * an immediate value in instructions such as andcc. */ -#define TIF_ABI_PENDING 12 -#define TIF_MEMDIE 13 +/* flag bit 12 is available */ +#define TIF_MEMDIE 13 /* is terminating due to OOM killer */ #define TIF_POLLING_NRFLAG 14 #define _TIF_SYSCALL_TRACE (1<<TIF_SYSCALL_TRACE) #define _TIF_NOTIFY_RESUME (1<<TIF_NOTIFY_RESUME) #define _TIF_SIGPENDING (1<<TIF_SIGPENDING) #define _TIF_NEED_RESCHED (1<<TIF_NEED_RESCHED) -#define _TIF_PERFCTR (1<<TIF_PERFCTR) #define _TIF_UNALIGNED (1<<TIF_UNALIGNED) #define _TIF_32BIT (1<<TIF_32BIT) +#define _TIF_NOHZ (1<<TIF_NOHZ) #define _TIF_SECCOMP (1<<TIF_SECCOMP) #define _TIF_SYSCALL_AUDIT (1<<TIF_SYSCALL_AUDIT) -#define _TIF_ABI_PENDING (1<<TIF_ABI_PENDING) +#define _TIF_SYSCALL_TRACEPOINT (1<<TIF_SYSCALL_TRACEPOINT) #define _TIF_POLLING_NRFLAG (1<<TIF_POLLING_NRFLAG) #define _TIF_USER_WORK_MASK ((0xff << TI_FLAG_WSAVED_SHIFT) | \ _TIF_DO_NOTIFY_RESUME_MASK | \ - _TIF_NEED_RESCHED | _TIF_PERFCTR) + _TIF_NEED_RESCHED) #define _TIF_DO_NOTIFY_RESUME_MASK (_TIF_NOTIFY_RESUME | _TIF_SIGPENDING) /* @@ -272,8 +236,30 @@ static inline void set_restore_sigmask(void) { struct thread_info *ti = current_thread_info(); ti->status |= TS_RESTORE_SIGMASK; - set_bit(TIF_SIGPENDING, &ti->flags); + WARN_ON(!test_bit(TIF_SIGPENDING, &ti->flags)); +} +static inline void clear_restore_sigmask(void) +{ + current_thread_info()->status &= ~TS_RESTORE_SIGMASK; } +static inline bool test_restore_sigmask(void) +{ + return current_thread_info()->status & TS_RESTORE_SIGMASK; +} +static inline bool test_and_clear_restore_sigmask(void) +{ + struct thread_info *ti = current_thread_info(); + if (!(ti->status & TS_RESTORE_SIGMASK)) + return false; + ti->status &= ~TS_RESTORE_SIGMASK; + return true; +} + +#define thread32_stack_is_64bit(__SP) (((__SP) & 0x1) != 0) +#define test_thread_64bit_stack(__SP) \ + ((test_thread_flag(TIF_32BIT) && !thread32_stack_is_64bit(__SP)) ? \ + false : true) + #endif /* !__ASSEMBLY__ */ #endif /* __KERNEL__ */ diff --git a/arch/sparc/include/asm/timer_32.h b/arch/sparc/include/asm/timer_32.h index 361e53898dd..f8e708a0aa5 100644 --- a/arch/sparc/include/asm/timer_32.h +++ b/arch/sparc/include/asm/timer_32.h @@ -8,100 +8,37 @@ #ifndef _SPARC_TIMER_H #define _SPARC_TIMER_H -#include <asm/system.h> /* For SUN4M_NCPUS */ -#include <asm/sun4paddr.h> -#include <asm/btfixup.h> +#include <linux/clocksource.h> +#include <linux/irqreturn.h> -/* Timer structures. The interrupt timer has two properties which - * are the counter (which is handled in do_timer in sched.c) and the limit. - * This limit is where the timer's counter 'wraps' around. Oddly enough, - * the sun4c timer when it hits the limit wraps back to 1 and not zero - * thus when calculating the value at which it will fire a microsecond you - * must adjust by one. Thanks SUN for designing such great hardware ;( - */ +#include <asm-generic/percpu.h> -/* Note that I am only going to use the timer that interrupts at - * Sparc IRQ 10. There is another one available that can fire at - * IRQ 14. Currently it is left untouched, we keep the PROM's limit - * register value and let the prom take these interrupts. This allows - * L1-A to work. - */ +#include <asm/cpu_type.h> /* For SUN4M_NCPUS */ -struct sun4c_timer_info { - __volatile__ unsigned int cur_count10; - __volatile__ unsigned int timer_limit10; - __volatile__ unsigned int cur_count14; - __volatile__ unsigned int timer_limit14; -}; +#define SBUS_CLOCK_RATE 2000000 /* 2MHz */ +#define TIMER_VALUE_SHIFT 9 +#define TIMER_VALUE_MASK 0x3fffff +#define TIMER_LIMIT_BIT (1 << 31) /* Bit 31 in Counter-Timer register */ -#define SUN4C_TIMER_PHYSADDR 0xf3000000 -#ifdef CONFIG_SUN4 -#define SUN_TIMER_PHYSADDR SUN4_300_TIMER_PHYSADDR -#else -#define SUN_TIMER_PHYSADDR SUN4C_TIMER_PHYSADDR -#endif - -/* A sun4m has two blocks of registers which are probably of the same - * structure. LSI Logic's L64851 is told to _decrement_ from the limit - * value. Aurora behaves similarly but its limit value is compacted in - * other fashion (it's wider). Documented fields are defined here. - */ - -/* As with the interrupt register, we have two classes of timer registers - * which are per-cpu and master. Per-cpu timers only hit that cpu and are - * only level 14 ticks, master timer hits all cpus and is level 10. +/* The counter timer register has the value offset by 9 bits. + * From sun4m manual: + * When a counter reaches the value in the corresponding limit register, + * the Limit bit is set and the counter is set to 500 nS (i.e. 0x00000200). + * + * To compensate for this add one to the value. */ +static inline unsigned int timer_value(unsigned int value) +{ + return (value + 1) << TIMER_VALUE_SHIFT; +} -#define SUN4M_PRM_CNT_L 0x80000000 -#define SUN4M_PRM_CNT_LVALUE 0x7FFFFC00 - -struct sun4m_timer_percpu_info { - __volatile__ unsigned int l14_timer_limit; /* Initial value is 0x009c4000 */ - __volatile__ unsigned int l14_cur_count; - - /* This register appears to be write only and/or inaccessible - * on Uni-Processor sun4m machines. - */ - __volatile__ unsigned int l14_limit_noclear; /* Data access error is here */ +extern volatile u32 __iomem *master_l10_counter; - __volatile__ unsigned int cntrl; /* =1 after POST on Aurora */ - __volatile__ unsigned char space[PAGE_SIZE - 16]; -}; +irqreturn_t notrace timer_interrupt(int dummy, void *dev_id); -struct sun4m_timer_regs { - struct sun4m_timer_percpu_info cpu_timers[SUN4M_NCPUS]; - volatile unsigned int l10_timer_limit; - volatile unsigned int l10_cur_count; - - /* Again, this appears to be write only and/or inaccessible - * on uni-processor sun4m machines. - */ - volatile unsigned int l10_limit_noclear; - - /* This register too, it must be magic. */ - volatile unsigned int foobar; - - volatile unsigned int cfg; /* equals zero at boot time... */ -}; - -#define SUN4D_PRM_CNT_L 0x80000000 -#define SUN4D_PRM_CNT_LVALUE 0x7FFFFC00 - -struct sun4d_timer_regs { - volatile unsigned int l10_timer_limit; - volatile unsigned int l10_cur_countx; - volatile unsigned int l10_limit_noclear; - volatile unsigned int ctrl; - volatile unsigned int l10_cur_count; -}; - -extern struct sun4d_timer_regs *sun4d_timers; - -extern __volatile__ unsigned int *master_l10_counter; -extern __volatile__ unsigned int *master_l10_limit; - -/* FIXME: Make do_[gs]ettimeofday btfixup calls */ -BTFIXUPDEF_CALL(int, bus_do_settimeofday, struct timespec *tv) -#define bus_do_settimeofday(tv) BTFIXUP_CALL(bus_do_settimeofday)(tv) +#ifdef CONFIG_SMP +DECLARE_PER_CPU(struct clock_event_device, sparc32_clockevent); +void register_percpu_ce(int cpu); +#endif #endif /* !(_SPARC_TIMER_H) */ diff --git a/arch/sparc/include/asm/timer_64.h b/arch/sparc/include/asm/timer_64.h index 5b779fd1f78..fce41503400 100644 --- a/arch/sparc/include/asm/timer_64.h +++ b/arch/sparc/include/asm/timer_64.h @@ -10,7 +10,7 @@ #include <linux/init.h> struct sparc64_tick_ops { - unsigned long (*get_tick)(void); + unsigned long long (*get_tick)(void); int (*add_compare)(unsigned long); unsigned long softint_mask; void (*disable_irq)(void); @@ -23,8 +23,8 @@ struct sparc64_tick_ops { extern struct sparc64_tick_ops *tick_ops; -extern unsigned long sparc64_get_clock_tick(unsigned int cpu); -extern void __devinit setup_sparc64_timer(void); -extern void __init time_init(void); +unsigned long sparc64_get_clock_tick(unsigned int cpu); +void setup_sparc64_timer(void); +void __init time_init(void); #endif /* _SPARC64_TIMER_H */ diff --git a/arch/sparc/include/asm/tlb_64.h b/arch/sparc/include/asm/tlb_64.h index ec81cdedef2..4cb392f75d2 100644 --- a/arch/sparc/include/asm/tlb_64.h +++ b/arch/sparc/include/asm/tlb_64.h @@ -7,105 +7,26 @@ #include <asm/tlbflush.h> #include <asm/mmu_context.h> -#define TLB_BATCH_NR 192 - -/* - * For UP we don't need to worry about TLB flush - * and page free order so much.. - */ #ifdef CONFIG_SMP - #define FREE_PTE_NR 506 - #define tlb_fast_mode(bp) ((bp)->pages_nr == ~0U) -#else - #define FREE_PTE_NR 1 - #define tlb_fast_mode(bp) 1 -#endif - -struct mmu_gather { - struct mm_struct *mm; - unsigned int pages_nr; - unsigned int need_flush; - unsigned int fullmm; - unsigned int tlb_nr; - unsigned long vaddrs[TLB_BATCH_NR]; - struct page *pages[FREE_PTE_NR]; -}; - -DECLARE_PER_CPU(struct mmu_gather, mmu_gathers); - -#ifdef CONFIG_SMP -extern void smp_flush_tlb_pending(struct mm_struct *, +void smp_flush_tlb_pending(struct mm_struct *, unsigned long, unsigned long *); #endif -extern void __flush_tlb_pending(unsigned long, unsigned long, unsigned long *); -extern void flush_tlb_pending(void); - -static inline struct mmu_gather *tlb_gather_mmu(struct mm_struct *mm, unsigned int full_mm_flush) -{ - struct mmu_gather *mp = &get_cpu_var(mmu_gathers); - - BUG_ON(mp->tlb_nr); - - mp->mm = mm; - mp->pages_nr = num_online_cpus() > 1 ? 0U : ~0U; - mp->fullmm = full_mm_flush; - - return mp; -} - - -static inline void tlb_flush_mmu(struct mmu_gather *mp) -{ - if (mp->need_flush) { - free_pages_and_swap_cache(mp->pages, mp->pages_nr); - mp->pages_nr = 0; - mp->need_flush = 0; - } - -} - #ifdef CONFIG_SMP -extern void smp_flush_tlb_mm(struct mm_struct *mm); +void smp_flush_tlb_mm(struct mm_struct *mm); #define do_flush_tlb_mm(mm) smp_flush_tlb_mm(mm) #else #define do_flush_tlb_mm(mm) __flush_tlb_mm(CTX_HWBITS(mm->context), SECONDARY_CONTEXT) #endif -static inline void tlb_finish_mmu(struct mmu_gather *mp, unsigned long start, unsigned long end) -{ - tlb_flush_mmu(mp); - - if (mp->fullmm) - mp->fullmm = 0; - else - flush_tlb_pending(); +void __flush_tlb_pending(unsigned long, unsigned long, unsigned long *); +void flush_tlb_pending(void); - /* keep the page table cache within bounds */ - check_pgt_cache(); - - put_cpu_var(mmu_gathers); -} - -static inline void tlb_remove_page(struct mmu_gather *mp, struct page *page) -{ - if (tlb_fast_mode(mp)) { - free_page_and_swap_cache(page); - return; - } - mp->need_flush = 1; - mp->pages[mp->pages_nr++] = page; - if (mp->pages_nr >= FREE_PTE_NR) - tlb_flush_mmu(mp); -} - -#define tlb_remove_tlb_entry(mp,ptep,addr) do { } while (0) -#define pte_free_tlb(mp, ptepage) pte_free((mp)->mm, ptepage) -#define pmd_free_tlb(mp, pmdp) pmd_free((mp)->mm, pmdp) -#define pud_free_tlb(tlb,pudp) __pud_free_tlb(tlb,pudp) - -#define tlb_migrate_finish(mm) do { } while (0) #define tlb_start_vma(tlb, vma) do { } while (0) #define tlb_end_vma(tlb, vma) do { } while (0) +#define __tlb_remove_tlb_entry(tlb, ptep, address) do { } while (0) +#define tlb_flush(tlb) flush_tlb_pending() + +#include <asm-generic/tlb.h> #endif /* _SPARC64_TLB_H */ diff --git a/arch/sparc/include/asm/tlbflush_32.h b/arch/sparc/include/asm/tlbflush_32.h index fe0a71abc9b..a5c4142130f 100644 --- a/arch/sparc/include/asm/tlbflush_32.h +++ b/arch/sparc/include/asm/tlbflush_32.h @@ -1,52 +1,16 @@ #ifndef _SPARC_TLBFLUSH_H #define _SPARC_TLBFLUSH_H -#include <linux/mm.h> -// #include <asm/processor.h> - -/* - * TLB flushing: - * - * - flush_tlb() flushes the current mm struct TLBs XXX Exists? - * - flush_tlb_all() flushes all processes TLBs - * - flush_tlb_mm(mm) flushes the specified mm context TLB's - * - flush_tlb_page(vma, vmaddr) flushes one page - * - flush_tlb_range(vma, start, end) flushes a range of pages - * - flush_tlb_kernel_range(start, end) flushes a range of kernel pages - */ - -#ifdef CONFIG_SMP - -BTFIXUPDEF_CALL(void, local_flush_tlb_all, void) -BTFIXUPDEF_CALL(void, local_flush_tlb_mm, struct mm_struct *) -BTFIXUPDEF_CALL(void, local_flush_tlb_range, struct vm_area_struct *, unsigned long, unsigned long) -BTFIXUPDEF_CALL(void, local_flush_tlb_page, struct vm_area_struct *, unsigned long) - -#define local_flush_tlb_all() BTFIXUP_CALL(local_flush_tlb_all)() -#define local_flush_tlb_mm(mm) BTFIXUP_CALL(local_flush_tlb_mm)(mm) -#define local_flush_tlb_range(vma,start,end) BTFIXUP_CALL(local_flush_tlb_range)(vma,start,end) -#define local_flush_tlb_page(vma,addr) BTFIXUP_CALL(local_flush_tlb_page)(vma,addr) - -extern void smp_flush_tlb_all(void); -extern void smp_flush_tlb_mm(struct mm_struct *mm); -extern void smp_flush_tlb_range(struct vm_area_struct *vma, - unsigned long start, - unsigned long end); -extern void smp_flush_tlb_page(struct vm_area_struct *mm, unsigned long page); - -#endif /* CONFIG_SMP */ - -BTFIXUPDEF_CALL(void, flush_tlb_all, void) -BTFIXUPDEF_CALL(void, flush_tlb_mm, struct mm_struct *) -BTFIXUPDEF_CALL(void, flush_tlb_range, struct vm_area_struct *, unsigned long, unsigned long) -BTFIXUPDEF_CALL(void, flush_tlb_page, struct vm_area_struct *, unsigned long) - -#define flush_tlb_all() BTFIXUP_CALL(flush_tlb_all)() -#define flush_tlb_mm(mm) BTFIXUP_CALL(flush_tlb_mm)(mm) -#define flush_tlb_range(vma,start,end) BTFIXUP_CALL(flush_tlb_range)(vma,start,end) -#define flush_tlb_page(vma,addr) BTFIXUP_CALL(flush_tlb_page)(vma,addr) - -// #define flush_tlb() flush_tlb_mm(current->active_mm) /* XXX Sure? */ +#include <asm/cachetlb_32.h> + +#define flush_tlb_all() \ + sparc32_cachetlb_ops->tlb_all() +#define flush_tlb_mm(mm) \ + sparc32_cachetlb_ops->tlb_mm(mm) +#define flush_tlb_range(vma, start, end) \ + sparc32_cachetlb_ops->tlb_range(vma, start, end) +#define flush_tlb_page(vma, addr) \ + sparc32_cachetlb_ops->tlb_page(vma, addr) /* * This is a kludge, until I know better. --zaitcev XXX diff --git a/arch/sparc/include/asm/tlbflush_64.h b/arch/sparc/include/asm/tlbflush_64.h index fbb675dbe0c..816d8202fa0 100644 --- a/arch/sparc/include/asm/tlbflush_64.h +++ b/arch/sparc/include/asm/tlbflush_64.h @@ -1,27 +1,50 @@ #ifndef _SPARC64_TLBFLUSH_H #define _SPARC64_TLBFLUSH_H -#include <linux/mm.h> #include <asm/mmu_context.h> /* TSB flush operations. */ -struct mmu_gather; -extern void flush_tsb_kernel_range(unsigned long start, unsigned long end); -extern void flush_tsb_user(struct mmu_gather *mp); + +#define TLB_BATCH_NR 192 + +struct tlb_batch { + struct mm_struct *mm; + unsigned long tlb_nr; + unsigned long active; + unsigned long vaddrs[TLB_BATCH_NR]; +}; + +void flush_tsb_kernel_range(unsigned long start, unsigned long end); +void flush_tsb_user(struct tlb_batch *tb); +void flush_tsb_user_page(struct mm_struct *mm, unsigned long vaddr); /* TLB flush operations. */ -extern void flush_tlb_pending(void); +static inline void flush_tlb_mm(struct mm_struct *mm) +{ +} -#define flush_tlb_range(vma,start,end) \ - do { (void)(start); flush_tlb_pending(); } while (0) -#define flush_tlb_page(vma,addr) flush_tlb_pending() -#define flush_tlb_mm(mm) flush_tlb_pending() +static inline void flush_tlb_page(struct vm_area_struct *vma, + unsigned long vmaddr) +{ +} -/* Local cpu only. */ -extern void __flush_tlb_all(void); +static inline void flush_tlb_range(struct vm_area_struct *vma, + unsigned long start, unsigned long end) +{ +} + +#define __HAVE_ARCH_ENTER_LAZY_MMU_MODE -extern void __flush_tlb_kernel_range(unsigned long start, unsigned long end); +void flush_tlb_pending(void); +void arch_enter_lazy_mmu_mode(void); +void arch_leave_lazy_mmu_mode(void); +#define arch_flush_lazy_mmu_mode() do {} while (0) + +/* Local cpu only. */ +void __flush_tlb_all(void); +void __flush_tlb_page(unsigned long context, unsigned long vaddr); +void __flush_tlb_kernel_range(unsigned long start, unsigned long end); #ifndef CONFIG_SMP @@ -30,15 +53,24 @@ do { flush_tsb_kernel_range(start,end); \ __flush_tlb_kernel_range(start,end); \ } while (0) +static inline void global_flush_tlb_page(struct mm_struct *mm, unsigned long vaddr) +{ + __flush_tlb_page(CTX_HWBITS(mm->context), vaddr); +} + #else /* CONFIG_SMP */ -extern void smp_flush_tlb_kernel_range(unsigned long start, unsigned long end); +void smp_flush_tlb_kernel_range(unsigned long start, unsigned long end); +void smp_flush_tlb_page(struct mm_struct *mm, unsigned long vaddr); #define flush_tlb_kernel_range(start, end) \ do { flush_tsb_kernel_range(start,end); \ smp_flush_tlb_kernel_range(start, end); \ } while (0) +#define global_flush_tlb_page(mm, vaddr) \ + smp_flush_tlb_page(mm, vaddr) + #endif /* ! CONFIG_SMP */ #endif /* _SPARC64_TLBFLUSH_H */ diff --git a/arch/sparc/include/asm/topology_64.h b/arch/sparc/include/asm/topology_64.h index 001c04027c8..ed8f071132e 100644 --- a/arch/sparc/include/asm/topology_64.h +++ b/arch/sparc/include/asm/topology_64.h @@ -12,28 +12,13 @@ static inline int cpu_to_node(int cpu) #define parent_node(node) (node) -static inline cpumask_t node_to_cpumask(int node) -{ - return numa_cpumask_lookup_table[node]; -} - -/* Returns a pointer to the cpumask of CPUs on Node 'node'. */ -#define node_to_cpumask_ptr(v, node) \ - cpumask_t *v = &(numa_cpumask_lookup_table[node]) - -#define node_to_cpumask_ptr_next(v, node) \ - v = &(numa_cpumask_lookup_table[node]) - -static inline int node_to_first_cpu(int node) -{ - cpumask_t tmp; - tmp = node_to_cpumask(node); - return first_cpu(tmp); -} +#define cpumask_of_node(node) ((node) == -1 ? \ + cpu_all_mask : \ + &numa_cpumask_lookup_table[node]) struct pci_bus; #ifdef CONFIG_PCI -extern int pcibus_to_node(struct pci_bus *pbus); +int pcibus_to_node(struct pci_bus *pbus); #else static inline int pcibus_to_node(struct pci_bus *pbus) { @@ -41,30 +26,10 @@ static inline int pcibus_to_node(struct pci_bus *pbus) } #endif -#define pcibus_to_cpumask(bus) \ +#define cpumask_of_pcibus(bus) \ (pcibus_to_node(bus) == -1 ? \ - CPU_MASK_ALL : \ - node_to_cpumask(pcibus_to_node(bus))) - -#define SD_NODE_INIT (struct sched_domain) { \ - .min_interval = 8, \ - .max_interval = 32, \ - .busy_factor = 32, \ - .imbalance_pct = 125, \ - .cache_nice_tries = 2, \ - .busy_idx = 3, \ - .idle_idx = 2, \ - .newidle_idx = 0, \ - .wake_idx = 1, \ - .forkexec_idx = 1, \ - .flags = SD_LOAD_BALANCE \ - | SD_BALANCE_FORK \ - | SD_BALANCE_EXEC \ - | SD_SERIALIZE \ - | SD_WAKE_BALANCE, \ - .last_balance = jiffies, \ - .balance_interval = 1, \ -} + cpu_all_mask : \ + cpumask_of_node(pcibus_to_node(bus))) #else /* CONFIG_NUMA */ @@ -75,12 +40,14 @@ static inline int pcibus_to_node(struct pci_bus *pbus) #ifdef CONFIG_SMP #define topology_physical_package_id(cpu) (cpu_data(cpu).proc_id) #define topology_core_id(cpu) (cpu_data(cpu).core_id) -#define topology_core_siblings(cpu) (cpu_core_map[cpu]) -#define topology_thread_siblings(cpu) (per_cpu(cpu_sibling_map, cpu)) -#define mc_capable() (sparc64_multi_core) -#define smt_capable() (sparc64_multi_core) +#define topology_core_cpumask(cpu) (&cpu_core_map[cpu]) +#define topology_thread_cpumask(cpu) (&per_cpu(cpu_sibling_map, cpu)) #endif /* CONFIG_SMP */ -#define cpu_coregroup_map(cpu) (cpu_core_map[cpu]) +extern cpumask_t cpu_core_map[NR_CPUS]; +static inline const struct cpumask *cpu_coregroup_mask(int cpu) +{ + return &cpu_core_map[cpu]; +} #endif /* _ASM_SPARC64_TOPOLOGY_H */ diff --git a/arch/sparc/include/asm/trap_block.h b/arch/sparc/include/asm/trap_block.h new file mode 100644 index 00000000000..6fd4436d32f --- /dev/null +++ b/arch/sparc/include/asm/trap_block.h @@ -0,0 +1,207 @@ +#ifndef _SPARC_TRAP_BLOCK_H +#define _SPARC_TRAP_BLOCK_H + +#include <asm/hypervisor.h> +#include <asm/asi.h> + +#ifndef __ASSEMBLY__ + +/* Trap handling code needs to get at a few critical values upon + * trap entry and to process TSB misses. These cannot be in the + * per_cpu() area as we really need to lock them into the TLB and + * thus make them part of the main kernel image. As a result we + * try to make this as small as possible. + * + * This is padded out and aligned to 64-bytes to avoid false sharing + * on SMP. + */ + +/* If you modify the size of this structure, please update + * TRAP_BLOCK_SZ_SHIFT below. + */ +struct thread_info; +struct trap_per_cpu { +/* D-cache line 1: Basic thread information, cpu and device mondo queues */ + struct thread_info *thread; + unsigned long pgd_paddr; + unsigned long cpu_mondo_pa; + unsigned long dev_mondo_pa; + +/* D-cache line 2: Error Mondo Queue and kernel buffer pointers */ + unsigned long resum_mondo_pa; + unsigned long resum_kernel_buf_pa; + unsigned long nonresum_mondo_pa; + unsigned long nonresum_kernel_buf_pa; + +/* Dcache lines 3, 4, 5, and 6: Hypervisor Fault Status */ + struct hv_fault_status fault_info; + +/* Dcache line 7: Physical addresses of CPU send mondo block and CPU list. */ + unsigned long cpu_mondo_block_pa; + unsigned long cpu_list_pa; + unsigned long tsb_huge; + unsigned long tsb_huge_temp; + +/* Dcache line 8: IRQ work list, and keep trap_block a power-of-2 in size. */ + unsigned long irq_worklist_pa; + unsigned int cpu_mondo_qmask; + unsigned int dev_mondo_qmask; + unsigned int resum_qmask; + unsigned int nonresum_qmask; + unsigned long __per_cpu_base; +} __attribute__((aligned(64))); +extern struct trap_per_cpu trap_block[NR_CPUS]; +void init_cur_cpu_trap(struct thread_info *); +void setup_tba(void); +extern int ncpus_probed; + +unsigned long real_hard_smp_processor_id(void); + +struct cpuid_patch_entry { + unsigned int addr; + unsigned int cheetah_safari[4]; + unsigned int cheetah_jbus[4]; + unsigned int starfire[4]; + unsigned int sun4v[4]; +}; +extern struct cpuid_patch_entry __cpuid_patch, __cpuid_patch_end; + +struct sun4v_1insn_patch_entry { + unsigned int addr; + unsigned int insn; +}; +extern struct sun4v_1insn_patch_entry __sun4v_1insn_patch, + __sun4v_1insn_patch_end; + +struct sun4v_2insn_patch_entry { + unsigned int addr; + unsigned int insns[2]; +}; +extern struct sun4v_2insn_patch_entry __sun4v_2insn_patch, + __sun4v_2insn_patch_end; + + +#endif /* !(__ASSEMBLY__) */ + +#define TRAP_PER_CPU_THREAD 0x00 +#define TRAP_PER_CPU_PGD_PADDR 0x08 +#define TRAP_PER_CPU_CPU_MONDO_PA 0x10 +#define TRAP_PER_CPU_DEV_MONDO_PA 0x18 +#define TRAP_PER_CPU_RESUM_MONDO_PA 0x20 +#define TRAP_PER_CPU_RESUM_KBUF_PA 0x28 +#define TRAP_PER_CPU_NONRESUM_MONDO_PA 0x30 +#define TRAP_PER_CPU_NONRESUM_KBUF_PA 0x38 +#define TRAP_PER_CPU_FAULT_INFO 0x40 +#define TRAP_PER_CPU_CPU_MONDO_BLOCK_PA 0xc0 +#define TRAP_PER_CPU_CPU_LIST_PA 0xc8 +#define TRAP_PER_CPU_TSB_HUGE 0xd0 +#define TRAP_PER_CPU_TSB_HUGE_TEMP 0xd8 +#define TRAP_PER_CPU_IRQ_WORKLIST_PA 0xe0 +#define TRAP_PER_CPU_CPU_MONDO_QMASK 0xe8 +#define TRAP_PER_CPU_DEV_MONDO_QMASK 0xec +#define TRAP_PER_CPU_RESUM_QMASK 0xf0 +#define TRAP_PER_CPU_NONRESUM_QMASK 0xf4 +#define TRAP_PER_CPU_PER_CPU_BASE 0xf8 + +#define TRAP_BLOCK_SZ_SHIFT 8 + +#include <asm/scratchpad.h> + +#define __GET_CPUID(REG) \ + /* Spitfire implementation (default). */ \ +661: ldxa [%g0] ASI_UPA_CONFIG, REG; \ + srlx REG, 17, REG; \ + and REG, 0x1f, REG; \ + nop; \ + .section .cpuid_patch, "ax"; \ + /* Instruction location. */ \ + .word 661b; \ + /* Cheetah Safari implementation. */ \ + ldxa [%g0] ASI_SAFARI_CONFIG, REG; \ + srlx REG, 17, REG; \ + and REG, 0x3ff, REG; \ + nop; \ + /* Cheetah JBUS implementation. */ \ + ldxa [%g0] ASI_JBUS_CONFIG, REG; \ + srlx REG, 17, REG; \ + and REG, 0x1f, REG; \ + nop; \ + /* Starfire implementation. */ \ + sethi %hi(0x1fff40000d0 >> 9), REG; \ + sllx REG, 9, REG; \ + or REG, 0xd0, REG; \ + lduwa [REG] ASI_PHYS_BYPASS_EC_E, REG;\ + /* sun4v implementation. */ \ + mov SCRATCHPAD_CPUID, REG; \ + ldxa [REG] ASI_SCRATCHPAD, REG; \ + nop; \ + nop; \ + .previous; + +#ifdef CONFIG_SMP + +#define TRAP_LOAD_TRAP_BLOCK(DEST, TMP) \ + __GET_CPUID(TMP) \ + sethi %hi(trap_block), DEST; \ + sllx TMP, TRAP_BLOCK_SZ_SHIFT, TMP; \ + or DEST, %lo(trap_block), DEST; \ + add DEST, TMP, DEST; \ + +/* Clobbers TMP, current address space PGD phys address into DEST. */ +#define TRAP_LOAD_PGD_PHYS(DEST, TMP) \ + TRAP_LOAD_TRAP_BLOCK(DEST, TMP) \ + ldx [DEST + TRAP_PER_CPU_PGD_PADDR], DEST; + +/* Clobbers TMP, loads local processor's IRQ work area into DEST. */ +#define TRAP_LOAD_IRQ_WORK_PA(DEST, TMP) \ + TRAP_LOAD_TRAP_BLOCK(DEST, TMP) \ + add DEST, TRAP_PER_CPU_IRQ_WORKLIST_PA, DEST; + +/* Clobbers TMP, loads DEST with current thread info pointer. */ +#define TRAP_LOAD_THREAD_REG(DEST, TMP) \ + TRAP_LOAD_TRAP_BLOCK(DEST, TMP) \ + ldx [DEST + TRAP_PER_CPU_THREAD], DEST; + +/* Given the current thread info pointer in THR, load the per-cpu + * area base of the current processor into DEST. REG1, REG2, and REG3 are + * clobbered. + * + * You absolutely cannot use DEST as a temporary in this code. The + * reason is that traps can happen during execution, and return from + * trap will load the fully resolved DEST per-cpu base. This can corrupt + * the calculations done by the macro mid-stream. + */ +#define LOAD_PER_CPU_BASE(DEST, THR, REG1, REG2, REG3) \ + lduh [THR + TI_CPU], REG1; \ + sethi %hi(trap_block), REG2; \ + sllx REG1, TRAP_BLOCK_SZ_SHIFT, REG1; \ + or REG2, %lo(trap_block), REG2; \ + add REG2, REG1, REG2; \ + ldx [REG2 + TRAP_PER_CPU_PER_CPU_BASE], DEST; + +#else + +#define TRAP_LOAD_TRAP_BLOCK(DEST, TMP) \ + sethi %hi(trap_block), DEST; \ + or DEST, %lo(trap_block), DEST; \ + +/* Uniprocessor versions, we know the cpuid is zero. */ +#define TRAP_LOAD_PGD_PHYS(DEST, TMP) \ + TRAP_LOAD_TRAP_BLOCK(DEST, TMP) \ + ldx [DEST + TRAP_PER_CPU_PGD_PADDR], DEST; + +/* Clobbers TMP, loads local processor's IRQ work area into DEST. */ +#define TRAP_LOAD_IRQ_WORK_PA(DEST, TMP) \ + TRAP_LOAD_TRAP_BLOCK(DEST, TMP) \ + add DEST, TRAP_PER_CPU_IRQ_WORKLIST_PA, DEST; + +#define TRAP_LOAD_THREAD_REG(DEST, TMP) \ + TRAP_LOAD_TRAP_BLOCK(DEST, TMP) \ + ldx [DEST + TRAP_PER_CPU_THREAD], DEST; + +/* No per-cpu areas on uniprocessor, so no need to load DEST. */ +#define LOAD_PER_CPU_BASE(DEST, THR, REG1, REG2, REG3) + +#endif /* !(CONFIG_SMP) */ + +#endif /* _SPARC_TRAP_BLOCK_H */ diff --git a/arch/sparc/include/asm/traps.h b/arch/sparc/include/asm/traps.h index bebdbf8f43a..51abcb1f9b3 100644 --- a/arch/sparc/include/asm/traps.h +++ b/arch/sparc/include/asm/traps.h @@ -3,14 +3,12 @@ * * Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu) */ - #ifndef _SPARC_TRAPS_H #define _SPARC_TRAPS_H -#define NUM_SPARC_TRAPS 255 +#include <uapi/asm/traps.h> #ifndef __ASSEMBLY__ - /* This is for V8 compliant Sparc CPUS */ struct tt_entry { unsigned long inst_one; @@ -22,119 +20,5 @@ struct tt_entry { /* We set this to _start in system setup. */ extern struct tt_entry *sparc_ttable; -static inline unsigned long get_tbr(void) -{ - unsigned long tbr; - - __asm__ __volatile__("rd %%tbr, %0\n\t" : "=r" (tbr)); - return tbr; -} - #endif /* !(__ASSEMBLY__) */ - -/* For patching the trap table at boot time, we need to know how to - * form various common Sparc instructions. Thus these macros... - */ - -#define SPARC_MOV_CONST_L3(const) (0xa6102000 | (const&0xfff)) - -/* The following assumes that the branch lies before the place we - * are branching to. This is the case for a trap vector... - * You have been warned. - */ -#define SPARC_BRANCH(dest_addr, inst_addr) \ - (0x10800000 | (((dest_addr-inst_addr)>>2)&0x3fffff)) - -#define SPARC_RD_PSR_L0 (0xa1480000) -#define SPARC_RD_WIM_L3 (0xa7500000) -#define SPARC_NOP (0x01000000) - -/* Various interesting trap levels. */ -/* First, hardware traps. */ -#define SP_TRAP_TFLT 0x1 /* Text fault */ -#define SP_TRAP_II 0x2 /* Illegal Instruction */ -#define SP_TRAP_PI 0x3 /* Privileged Instruction */ -#define SP_TRAP_FPD 0x4 /* Floating Point Disabled */ -#define SP_TRAP_WOVF 0x5 /* Window Overflow */ -#define SP_TRAP_WUNF 0x6 /* Window Underflow */ -#define SP_TRAP_MNA 0x7 /* Memory Address Unaligned */ -#define SP_TRAP_FPE 0x8 /* Floating Point Exception */ -#define SP_TRAP_DFLT 0x9 /* Data Fault */ -#define SP_TRAP_TOF 0xa /* Tag Overflow */ -#define SP_TRAP_WDOG 0xb /* Watchpoint Detected */ -#define SP_TRAP_IRQ1 0x11 /* IRQ level 1 */ -#define SP_TRAP_IRQ2 0x12 /* IRQ level 2 */ -#define SP_TRAP_IRQ3 0x13 /* IRQ level 3 */ -#define SP_TRAP_IRQ4 0x14 /* IRQ level 4 */ -#define SP_TRAP_IRQ5 0x15 /* IRQ level 5 */ -#define SP_TRAP_IRQ6 0x16 /* IRQ level 6 */ -#define SP_TRAP_IRQ7 0x17 /* IRQ level 7 */ -#define SP_TRAP_IRQ8 0x18 /* IRQ level 8 */ -#define SP_TRAP_IRQ9 0x19 /* IRQ level 9 */ -#define SP_TRAP_IRQ10 0x1a /* IRQ level 10 */ -#define SP_TRAP_IRQ11 0x1b /* IRQ level 11 */ -#define SP_TRAP_IRQ12 0x1c /* IRQ level 12 */ -#define SP_TRAP_IRQ13 0x1d /* IRQ level 13 */ -#define SP_TRAP_IRQ14 0x1e /* IRQ level 14 */ -#define SP_TRAP_IRQ15 0x1f /* IRQ level 15 Non-maskable */ -#define SP_TRAP_RACC 0x20 /* Register Access Error ??? */ -#define SP_TRAP_IACC 0x21 /* Instruction Access Error */ -#define SP_TRAP_CPDIS 0x24 /* Co-Processor Disabled */ -#define SP_TRAP_BADFL 0x25 /* Unimplemented Flush Instruction */ -#define SP_TRAP_CPEXP 0x28 /* Co-Processor Exception */ -#define SP_TRAP_DACC 0x29 /* Data Access Error */ -#define SP_TRAP_DIVZ 0x2a /* Divide By Zero */ -#define SP_TRAP_DSTORE 0x2b /* Data Store Error ??? */ -#define SP_TRAP_DMM 0x2c /* Data Access MMU Miss ??? */ -#define SP_TRAP_IMM 0x3c /* Instruction Access MMU Miss ??? */ - -/* Now the Software Traps... */ -#define SP_TRAP_SUNOS 0x80 /* SunOS System Call */ -#define SP_TRAP_SBPT 0x81 /* Software Breakpoint */ -#define SP_TRAP_SDIVZ 0x82 /* Software Divide-by-Zero trap */ -#define SP_TRAP_FWIN 0x83 /* Flush Windows */ -#define SP_TRAP_CWIN 0x84 /* Clean Windows */ -#define SP_TRAP_RCHK 0x85 /* Range Check */ -#define SP_TRAP_FUNA 0x86 /* Fix Unaligned Access */ -#define SP_TRAP_IOWFL 0x87 /* Integer Overflow */ -#define SP_TRAP_SOLARIS 0x88 /* Solaris System Call */ -#define SP_TRAP_NETBSD 0x89 /* NetBSD System Call */ -#define SP_TRAP_LINUX 0x90 /* Linux System Call */ - -/* Names used for compatibility with SunOS */ -#define ST_SYSCALL 0x00 -#define ST_BREAKPOINT 0x01 -#define ST_DIV0 0x02 -#define ST_FLUSH_WINDOWS 0x03 -#define ST_CLEAN_WINDOWS 0x04 -#define ST_RANGE_CHECK 0x05 -#define ST_FIX_ALIGN 0x06 -#define ST_INT_OVERFLOW 0x07 - -/* Special traps... */ -#define SP_TRAP_KBPT1 0xfe /* KADB/PROM Breakpoint one */ -#define SP_TRAP_KBPT2 0xff /* KADB/PROM Breakpoint two */ - -/* Handy Macros */ -/* Is this a trap we never expect to get? */ -#define BAD_TRAP_P(level) \ - ((level > SP_TRAP_WDOG && level < SP_TRAP_IRQ1) || \ - (level > SP_TRAP_IACC && level < SP_TRAP_CPDIS) || \ - (level > SP_TRAP_BADFL && level < SP_TRAP_CPEXP) || \ - (level > SP_TRAP_DMM && level < SP_TRAP_IMM) || \ - (level > SP_TRAP_IMM && level < SP_TRAP_SUNOS) || \ - (level > SP_TRAP_LINUX && level < SP_TRAP_KBPT1)) - -/* Is this a Hardware trap? */ -#define HW_TRAP_P(level) ((level > 0) && (level < SP_TRAP_SUNOS)) - -/* Is this a Software trap? */ -#define SW_TRAP_P(level) ((level >= SP_TRAP_SUNOS) && (level <= SP_TRAP_KBPT2)) - -/* Is this a system call for some OS we know about? */ -#define SCALL_TRAP_P(level) ((level == SP_TRAP_SUNOS) || \ - (level == SP_TRAP_SOLARIS) || \ - (level == SP_TRAP_NETBSD) || \ - (level == SP_TRAP_LINUX)) - #endif /* !(_SPARC_TRAPS_H) */ diff --git a/arch/sparc/include/asm/tsb.h b/arch/sparc/include/asm/tsb.h index 76e4299dd9b..90916f955ca 100644 --- a/arch/sparc/include/asm/tsb.h +++ b/arch/sparc/include/asm/tsb.h @@ -50,8 +50,6 @@ #define TSB_TAG_INVALID_BIT 46 #define TSB_TAG_INVALID_HIGH (1 << (TSB_TAG_INVALID_BIT - 32)) -#define TSB_MEMBAR membar #StoreStore - /* Some cpus support physical address quad loads. We want to use * those if possible so we don't need to hard-lock the TSB mapping * into the TLB. We encode some instruction patching in order to @@ -128,40 +126,13 @@ extern struct tsb_phys_patch_entry __tsb_phys_patch, __tsb_phys_patch_end; cmp REG1, REG2; \ bne,pn %icc, 99b; \ nop; \ - TSB_MEMBAR #define TSB_WRITE(TSB, TTE, TAG) \ add TSB, 0x8, TSB; \ TSB_STORE(TSB, TTE); \ sub TSB, 0x8, TSB; \ - TSB_MEMBAR; \ TSB_STORE(TSB, TAG); -#define KTSB_LOAD_QUAD(TSB, REG) \ - ldda [TSB] ASI_NUCLEUS_QUAD_LDD, REG; - -#define KTSB_STORE(ADDR, VAL) \ - stxa VAL, [ADDR] ASI_N; - -#define KTSB_LOCK_TAG(TSB, REG1, REG2) \ -99: lduwa [TSB] ASI_N, REG1; \ - sethi %hi(TSB_TAG_LOCK_HIGH), REG2;\ - andcc REG1, REG2, %g0; \ - bne,pn %icc, 99b; \ - nop; \ - casa [TSB] ASI_N, REG1, REG2;\ - cmp REG1, REG2; \ - bne,pn %icc, 99b; \ - nop; \ - TSB_MEMBAR - -#define KTSB_WRITE(TSB, TTE, TAG) \ - add TSB, 0x8, TSB; \ - stxa TTE, [TSB] ASI_N; \ - sub TSB, 0x8, TSB; \ - TSB_MEMBAR; \ - stxa TAG, [TSB] ASI_N; - /* Do a kernel page table walk. Leaves physical PTE pointer in * REG1. Jumps to FAIL_LABEL on early page table walk termination. * VADDR will not be clobbered, but REG2 will. @@ -171,45 +142,75 @@ extern struct tsb_phys_patch_entry __tsb_phys_patch, __tsb_phys_patch_end; or REG1, %lo(swapper_pg_dir), REG1; \ sllx VADDR, 64 - (PGDIR_SHIFT + PGDIR_BITS), REG2; \ srlx REG2, 64 - PAGE_SHIFT, REG2; \ - andn REG2, 0x3, REG2; \ - lduw [REG1 + REG2], REG1; \ + andn REG2, 0x7, REG2; \ + ldx [REG1 + REG2], REG1; \ brz,pn REG1, FAIL_LABEL; \ sllx VADDR, 64 - (PMD_SHIFT + PMD_BITS), REG2; \ srlx REG2, 64 - PAGE_SHIFT, REG2; \ - sllx REG1, 11, REG1; \ - andn REG2, 0x3, REG2; \ - lduwa [REG1 + REG2] ASI_PHYS_USE_EC, REG1; \ + andn REG2, 0x7, REG2; \ + ldxa [REG1 + REG2] ASI_PHYS_USE_EC, REG1; \ brz,pn REG1, FAIL_LABEL; \ sllx VADDR, 64 - PMD_SHIFT, REG2; \ srlx REG2, 64 - PAGE_SHIFT, REG2; \ - sllx REG1, 11, REG1; \ andn REG2, 0x7, REG2; \ add REG1, REG2, REG1; - /* Do a user page table walk in MMU globals. Leaves physical PTE - * pointer in REG1. Jumps to FAIL_LABEL on early page table walk - * termination. Physical base of page tables is in PHYS_PGD which - * will not be modified. + /* PMD has been loaded into REG1, interpret the value, seeing + * if it is a HUGE PMD or a normal one. If it is not valid + * then jump to FAIL_LABEL. If it is a HUGE PMD, and it + * translates to a valid PTE, branch to PTE_LABEL. + * + * We have to propagate the 4MB bit of the virtual address + * because we are fabricating 8MB pages using 4MB hw pages. + */ +#ifdef CONFIG_TRANSPARENT_HUGEPAGE +#define USER_PGTABLE_CHECK_PMD_HUGE(VADDR, REG1, REG2, FAIL_LABEL, PTE_LABEL) \ + brz,pn REG1, FAIL_LABEL; \ + sethi %uhi(_PAGE_PMD_HUGE), REG2; \ + sllx REG2, 32, REG2; \ + andcc REG1, REG2, %g0; \ + be,pt %xcc, 700f; \ + sethi %hi(4 * 1024 * 1024), REG2; \ + brgez,pn REG1, FAIL_LABEL; \ + andn REG1, REG2, REG1; \ + and VADDR, REG2, REG2; \ + brlz,pt REG1, PTE_LABEL; \ + or REG1, REG2, REG1; \ +700: +#else +#define USER_PGTABLE_CHECK_PMD_HUGE(VADDR, REG1, REG2, FAIL_LABEL, PTE_LABEL) \ + brz,pn REG1, FAIL_LABEL; \ + nop; +#endif + + /* Do a user page table walk in MMU globals. Leaves final, + * valid, PTE value in REG1. Jumps to FAIL_LABEL on early + * page table walk termination or if the PTE is not valid. + * + * Physical base of page tables is in PHYS_PGD which will not + * be modified. * * VADDR will not be clobbered, but REG1 and REG2 will. */ #define USER_PGTABLE_WALK_TL1(VADDR, PHYS_PGD, REG1, REG2, FAIL_LABEL) \ sllx VADDR, 64 - (PGDIR_SHIFT + PGDIR_BITS), REG2; \ srlx REG2, 64 - PAGE_SHIFT, REG2; \ - andn REG2, 0x3, REG2; \ - lduwa [PHYS_PGD + REG2] ASI_PHYS_USE_EC, REG1; \ + andn REG2, 0x7, REG2; \ + ldxa [PHYS_PGD + REG2] ASI_PHYS_USE_EC, REG1; \ brz,pn REG1, FAIL_LABEL; \ sllx VADDR, 64 - (PMD_SHIFT + PMD_BITS), REG2; \ srlx REG2, 64 - PAGE_SHIFT, REG2; \ - sllx REG1, 11, REG1; \ - andn REG2, 0x3, REG2; \ - lduwa [REG1 + REG2] ASI_PHYS_USE_EC, REG1; \ - brz,pn REG1, FAIL_LABEL; \ - sllx VADDR, 64 - PMD_SHIFT, REG2; \ + andn REG2, 0x7, REG2; \ + ldxa [REG1 + REG2] ASI_PHYS_USE_EC, REG1; \ + USER_PGTABLE_CHECK_PMD_HUGE(VADDR, REG1, REG2, FAIL_LABEL, 800f) \ + sllx VADDR, 64 - PMD_SHIFT, REG2; \ srlx REG2, 64 - PAGE_SHIFT, REG2; \ - sllx REG1, 11, REG1; \ andn REG2, 0x7, REG2; \ - add REG1, REG2, REG1; + add REG1, REG2, REG1; \ + ldxa [REG1] ASI_PHYS_USE_EC, REG1; \ + brgez,pn REG1, FAIL_LABEL; \ + nop; \ +800: /* Lookup a OBP mapping on VADDR in the prom_trans[] table at TL>0. * If no entry is found, FAIL_LABEL will be branched to. On success @@ -245,6 +246,8 @@ extern struct tsb_phys_patch_entry __tsb_phys_patch, __tsb_phys_patch_end; (KERNEL_TSB_SIZE_BYTES / 16) #define KERNEL_TSB4M_NENTRIES 4096 +#define KTSB_PHYS_SHIFT 15 + /* Do a kernel TSB lookup at tl>0 on VADDR+TAG, branch to OK_LABEL * on TSB hit. REG1, REG2, REG3, and REG4 are used as temporaries * and the found TTE will be left in REG1. REG3 and REG4 must @@ -253,13 +256,22 @@ extern struct tsb_phys_patch_entry __tsb_phys_patch, __tsb_phys_patch_end; * VADDR and TAG will be preserved and not clobbered by this macro. */ #define KERN_TSB_LOOKUP_TL1(VADDR, TAG, REG1, REG2, REG3, REG4, OK_LABEL) \ - sethi %hi(swapper_tsb), REG1; \ +661: sethi %hi(swapper_tsb), REG1; \ or REG1, %lo(swapper_tsb), REG1; \ + .section .swapper_tsb_phys_patch, "ax"; \ + .word 661b; \ + .previous; \ +661: nop; \ + .section .tsb_ldquad_phys_patch, "ax"; \ + .word 661b; \ + sllx REG1, KTSB_PHYS_SHIFT, REG1; \ + sllx REG1, KTSB_PHYS_SHIFT, REG1; \ + .previous; \ srlx VADDR, PAGE_SHIFT, REG2; \ and REG2, (KERNEL_TSB_NENTRIES - 1), REG2; \ sllx REG2, 4, REG2; \ add REG1, REG2, REG2; \ - KTSB_LOAD_QUAD(REG2, REG3); \ + TSB_LOAD_QUAD(REG2, REG3); \ cmp REG3, TAG; \ be,a,pt %xcc, OK_LABEL; \ mov REG4, REG1; @@ -269,12 +281,21 @@ extern struct tsb_phys_patch_entry __tsb_phys_patch, __tsb_phys_patch_end; * we can make use of that for the index computation. */ #define KERN_TSB4M_LOOKUP_TL1(TAG, REG1, REG2, REG3, REG4, OK_LABEL) \ - sethi %hi(swapper_4m_tsb), REG1; \ +661: sethi %hi(swapper_4m_tsb), REG1; \ or REG1, %lo(swapper_4m_tsb), REG1; \ + .section .swapper_4m_tsb_phys_patch, "ax"; \ + .word 661b; \ + .previous; \ +661: nop; \ + .section .tsb_ldquad_phys_patch, "ax"; \ + .word 661b; \ + sllx REG1, KTSB_PHYS_SHIFT, REG1; \ + sllx REG1, KTSB_PHYS_SHIFT, REG1; \ + .previous; \ and TAG, (KERNEL_TSB4M_NENTRIES - 1), REG2; \ sllx REG2, 4, REG2; \ add REG1, REG2, REG2; \ - KTSB_LOAD_QUAD(REG2, REG3); \ + TSB_LOAD_QUAD(REG2, REG3); \ cmp REG3, TAG; \ be,a,pt %xcc, OK_LABEL; \ mov REG4, REG1; diff --git a/arch/sparc/include/asm/ttable.h b/arch/sparc/include/asm/ttable.h index 5708ba2719f..71b5a67522a 100644 --- a/arch/sparc/include/asm/ttable.h +++ b/arch/sparc/include/asm/ttable.h @@ -2,6 +2,7 @@ #define _SPARC64_TTABLE_H #include <asm/utrap.h> +#include <asm/pil.h> #ifdef __ASSEMBLY__ #include <asm/thread_info.h> @@ -123,7 +124,7 @@ #define TRAP_IRQ(routine, level) \ rdpr %pil, %g2; \ - wrpr %g0, 15, %pil; \ + wrpr %g0, PIL_NORMAL_MAX, %pil; \ sethi %hi(1f-4), %g7; \ ba,pt %xcc, etrap_irq; \ or %g7, %lo(1f-4), %g7; \ @@ -143,7 +144,7 @@ #define TRAP_IRQ(routine, level) \ rdpr %pil, %g2; \ - wrpr %g0, 15, %pil; \ + wrpr %g0, PIL_NORMAL_MAX, %pil; \ ba,pt %xcc, etrap_irq; \ rd %pc, %g7; \ mov level, %o0; \ @@ -153,6 +154,16 @@ #endif +#define TRAP_NMI_IRQ(routine, level) \ + rdpr %pil, %g2; \ + wrpr %g0, PIL_NMI, %pil; \ + ba,pt %xcc, etrap_irq; \ + rd %pc, %g7; \ + mov level, %o0; \ + call routine; \ + add %sp, PTREGS_OFF, %o1; \ + ba,a,pt %xcc, rtrap_nmi; + #define TRAP_IVEC TRAP_NOSAVE(do_ivec) #define BTRAP(lvl) TRAP_ARG(bad_trap, lvl) @@ -361,7 +372,9 @@ etrap_spill_fixup_64bit: \ /* Normal 32bit spill */ #define SPILL_2_GENERIC(ASI) \ - srl %sp, 0, %sp; \ + and %sp, 1, %g3; \ + brnz,pn %g3, (. - (128 + 4)); \ + srl %sp, 0, %sp; \ stwa %l0, [%sp + %g0] ASI; \ mov 0x04, %g3; \ stwa %l1, [%sp + %g3] ASI; \ @@ -387,14 +400,16 @@ etrap_spill_fixup_64bit: \ stwa %i6, [%g1 + %g0] ASI; \ stwa %i7, [%g1 + %g3] ASI; \ saved; \ - retry; nop; nop; \ + retry; \ b,a,pt %xcc, spill_fixup_dax; \ b,a,pt %xcc, spill_fixup_mna; \ b,a,pt %xcc, spill_fixup; #define SPILL_2_GENERIC_ETRAP \ etrap_user_spill_32bit: \ - srl %sp, 0, %sp; \ + and %sp, 1, %g3; \ + brnz,pn %g3, etrap_user_spill_64bit; \ + srl %sp, 0, %sp; \ stwa %l0, [%sp + 0x00] %asi; \ stwa %l1, [%sp + 0x04] %asi; \ stwa %l2, [%sp + 0x08] %asi; \ @@ -416,7 +431,7 @@ etrap_user_spill_32bit: \ ba,pt %xcc, etrap_save; \ wrpr %g1, %cwp; \ nop; nop; nop; nop; \ - nop; nop; nop; nop; \ + nop; nop; \ ba,a,pt %xcc, etrap_spill_fixup_32bit; \ ba,a,pt %xcc, etrap_spill_fixup_32bit; \ ba,a,pt %xcc, etrap_spill_fixup_32bit; @@ -581,7 +596,9 @@ user_rtt_fill_64bit: \ /* Normal 32bit fill */ #define FILL_2_GENERIC(ASI) \ - srl %sp, 0, %sp; \ + and %sp, 1, %g3; \ + brnz,pn %g3, (. - (128 + 4)); \ + srl %sp, 0, %sp; \ lduwa [%sp + %g0] ASI, %l0; \ mov 0x04, %g2; \ mov 0x08, %g3; \ @@ -605,14 +622,16 @@ user_rtt_fill_64bit: \ lduwa [%g1 + %g3] ASI, %i6; \ lduwa [%g1 + %g5] ASI, %i7; \ restored; \ - retry; nop; nop; nop; nop; \ + retry; nop; nop; \ b,a,pt %xcc, fill_fixup_dax; \ b,a,pt %xcc, fill_fixup_mna; \ b,a,pt %xcc, fill_fixup; #define FILL_2_GENERIC_RTRAP \ user_rtt_fill_32bit: \ - srl %sp, 0, %sp; \ + and %sp, 1, %g3; \ + brnz,pn %g3, user_rtt_fill_64bit; \ + srl %sp, 0, %sp; \ lduwa [%sp + 0x00] %asi, %l0; \ lduwa [%sp + 0x04] %asi, %l1; \ lduwa [%sp + 0x08] %asi, %l2; \ @@ -632,7 +651,7 @@ user_rtt_fill_32bit: \ ba,pt %xcc, user_rtt_pre_restore; \ restored; \ nop; nop; nop; nop; nop; \ - nop; nop; nop; nop; nop; \ + nop; nop; nop; \ ba,a,pt %xcc, user_rtt_fill_fixup; \ ba,a,pt %xcc, user_rtt_fill_fixup; \ ba,a,pt %xcc, user_rtt_fill_fixup; diff --git a/arch/sparc/include/asm/types.h b/arch/sparc/include/asm/types.h deleted file mode 100644 index 8c28fde5eaa..00000000000 --- a/arch/sparc/include/asm/types.h +++ /dev/null @@ -1,62 +0,0 @@ -#ifndef _SPARC_TYPES_H -#define _SPARC_TYPES_H -/* - * This file is never included by application software unless - * explicitly requested (e.g., via linux/types.h) in which case the - * application is Linux specific so (user-) name space pollution is - * not a major issue. However, for interoperability, libraries still - * need to be careful to avoid a name clashes. - */ - -#if defined(__sparc__) && defined(__arch64__) - -/*** SPARC 64 bit ***/ -#include <asm-generic/int-l64.h> - -#ifndef __ASSEMBLY__ - -typedef unsigned short umode_t; - -#endif /* __ASSEMBLY__ */ - -#ifdef __KERNEL__ - -#define BITS_PER_LONG 64 - -#ifndef __ASSEMBLY__ - -/* Dma addresses come in generic and 64-bit flavours. */ - -typedef u32 dma_addr_t; -typedef u64 dma64_addr_t; - -#endif /* __ASSEMBLY__ */ - -#endif /* __KERNEL__ */ -#else - -/*** SPARC 32 bit ***/ -#include <asm-generic/int-ll64.h> - -#ifndef __ASSEMBLY__ - -typedef unsigned short umode_t; - -#endif /* __ASSEMBLY__ */ - -#ifdef __KERNEL__ - -#define BITS_PER_LONG 32 - -#ifndef __ASSEMBLY__ - -typedef u32 dma_addr_t; -typedef u32 dma64_addr_t; - -#endif /* __ASSEMBLY__ */ - -#endif /* __KERNEL__ */ - -#endif /* defined(__sparc__) && defined(__arch64__) */ - -#endif /* defined(_SPARC_TYPES_H) */ diff --git a/arch/sparc/include/asm/uaccess.h b/arch/sparc/include/asm/uaccess.h index e88fbe5c045..bd56c28fff9 100644 --- a/arch/sparc/include/asm/uaccess.h +++ b/arch/sparc/include/asm/uaccess.h @@ -5,4 +5,10 @@ #else #include <asm/uaccess_32.h> #endif + +#define user_addr_max() \ + (segment_eq(get_fs(), USER_DS) ? TASK_SIZE : ~0UL) + +long strncpy_from_user(char *dest, const char __user *src, long count); + #endif diff --git a/arch/sparc/include/asm/uaccess_32.h b/arch/sparc/include/asm/uaccess_32.h index 47d5619d43f..9634d086fc5 100644 --- a/arch/sparc/include/asm/uaccess_32.h +++ b/arch/sparc/include/asm/uaccess_32.h @@ -12,11 +12,15 @@ #include <linux/sched.h> #include <linux/string.h> #include <linux/errno.h> -#include <asm/vac-ops.h> #endif #ifndef __ASSEMBLY__ +#include <asm/processor.h> + +#define ARCH_HAS_SORT_EXTABLE +#define ARCH_HAS_SEARCH_EXTABLE + /* Sparc is not segmented, however we need to be able to fool access_ok() * when doing system calls from kernel mode legitimately. * @@ -74,9 +78,9 @@ struct exception_table_entry }; /* Returns 0 if exception not found and fixup otherwise. */ -extern unsigned long search_extables_range(unsigned long addr, unsigned long *g2); +unsigned long search_extables_range(unsigned long addr, unsigned long *g2); -extern void __ret_efault(void); +void __ret_efault(void); /* Uh, these should become the main single-value transfer routines.. * They automatically use the right size if we just have the right @@ -148,7 +152,7 @@ __asm__ __volatile__( \ : "=&r" (ret) : "r" (x), "m" (*__m(addr)), \ "i" (-EFAULT)) -extern int __put_user_bad(void); +int __put_user_bad(void); #define __get_user_check(x,addr,size,type) ({ \ register int __gu_ret; \ @@ -240,9 +244,9 @@ __asm__ __volatile__( \ ".previous\n\t" \ : "=&r" (x) : "m" (*__m(addr)), "i" (retval)) -extern int __get_user_bad(void); +int __get_user_bad(void); -extern unsigned long __copy_user(void __user *to, const void __user *from, unsigned long size); +unsigned long __copy_user(void __user *to, const void __user *from, unsigned long size); static inline unsigned long copy_to_user(void __user *to, const void *from, unsigned long n) { @@ -302,34 +306,8 @@ static inline unsigned long clear_user(void __user *addr, unsigned long n) return n; } -extern long __strncpy_from_user(char *dest, const char __user *src, long count); - -static inline long strncpy_from_user(char *dest, const char __user *src, long count) -{ - if (__access_ok((unsigned long) src, count)) - return __strncpy_from_user(dest, src, count); - else - return -EFAULT; -} - -extern long __strlen_user(const char __user *); -extern long __strnlen_user(const char __user *, long len); - -static inline long strlen_user(const char __user *str) -{ - if (!access_ok(VERIFY_READ, str, 0)) - return 0; - else - return __strlen_user(str); -} - -static inline long strnlen_user(const char __user *str, long len) -{ - if (!access_ok(VERIFY_READ, str, 0)) - return 0; - else - return __strnlen_user(str, len); -} +__must_check long strlen_user(const char __user *str); +__must_check long strnlen_user(const char __user *str, long n); #endif /* __ASSEMBLY__ */ diff --git a/arch/sparc/include/asm/uaccess_64.h b/arch/sparc/include/asm/uaccess_64.h index 296ef30e05c..c990a5e577f 100644 --- a/arch/sparc/include/asm/uaccess_64.h +++ b/arch/sparc/include/asm/uaccess_64.h @@ -6,17 +6,19 @@ */ #ifdef __KERNEL__ +#include <linux/errno.h> #include <linux/compiler.h> -#include <linux/sched.h> #include <linux/string.h> +#include <linux/thread_info.h> #include <asm/asi.h> -#include <asm/system.h> #include <asm/spitfire.h> -#include <asm-generic/uaccess.h> +#include <asm-generic/uaccess-unaligned.h> #endif #ifndef __ASSEMBLY__ +#include <asm/processor.h> + /* * Sparc64 is segmented, though more like the M68K than the I386. * We use the secondary ASI to address user memory, which references a @@ -36,14 +38,14 @@ #define VERIFY_READ 0 #define VERIFY_WRITE 1 -#define get_fs() ((mm_segment_t) { get_thread_current_ds() }) +#define get_fs() ((mm_segment_t){(current_thread_info()->current_ds)}) #define get_ds() (KERNEL_DS) #define segment_eq(a,b) ((a).seg == (b).seg) #define set_fs(val) \ do { \ - set_thread_current_ds((val).seg); \ + current_thread_info()->current_ds =(val).seg; \ __asm__ __volatile__ ("wr %%g0, %0, %%asi" : : "r" ((val).seg)); \ } while(0) @@ -74,8 +76,8 @@ struct exception_table_entry { unsigned int insn, fixup; }; -extern void __ret_efault(void); -extern void __retl_efault(void); +void __ret_efault(void); +void __retl_efault(void); /* Uh, these should become the main single-value transfer routines.. * They automatically use the right size if we just have the right @@ -132,7 +134,7 @@ __asm__ __volatile__( \ : "=r" (ret) : "r" (x), "r" (__m(addr)), \ "i" (-EFAULT)) -extern int __put_user_bad(void); +int __put_user_bad(void); #define __get_user_nocheck(data,addr,size,type) ({ \ register int __gu_ret; \ @@ -202,13 +204,13 @@ __asm__ __volatile__( \ ".previous\n\t" \ : "=r" (x) : "r" (__m(addr)), "i" (retval)) -extern int __get_user_bad(void); +int __get_user_bad(void); -extern unsigned long __must_check ___copy_from_user(void *to, - const void __user *from, - unsigned long size); -extern unsigned long copy_from_user_fixup(void *to, const void __user *from, - unsigned long size); +unsigned long __must_check ___copy_from_user(void *to, + const void __user *from, + unsigned long size); +unsigned long copy_from_user_fixup(void *to, const void __user *from, + unsigned long size); static inline unsigned long __must_check copy_from_user(void *to, const void __user *from, unsigned long size) { @@ -216,15 +218,16 @@ copy_from_user(void *to, const void __user *from, unsigned long size) if (unlikely(ret)) ret = copy_from_user_fixup(to, from, size); + return ret; } #define __copy_from_user copy_from_user -extern unsigned long __must_check ___copy_to_user(void __user *to, - const void *from, - unsigned long size); -extern unsigned long copy_to_user_fixup(void __user *to, const void *from, - unsigned long size); +unsigned long __must_check ___copy_to_user(void __user *to, + const void *from, + unsigned long size); +unsigned long copy_to_user_fixup(void __user *to, const void *from, + unsigned long size); static inline unsigned long __must_check copy_to_user(void __user *to, const void *from, unsigned long size) { @@ -236,11 +239,11 @@ copy_to_user(void __user *to, const void *from, unsigned long size) } #define __copy_to_user copy_to_user -extern unsigned long __must_check ___copy_in_user(void __user *to, - const void __user *from, - unsigned long size); -extern unsigned long copy_in_user_fixup(void __user *to, void __user *from, - unsigned long size); +unsigned long __must_check ___copy_in_user(void __user *to, + const void __user *from, + unsigned long size); +unsigned long copy_in_user_fixup(void __user *to, void __user *from, + unsigned long size); static inline unsigned long __must_check copy_in_user(void __user *to, void __user *from, unsigned long size) { @@ -252,22 +255,21 @@ copy_in_user(void __user *to, void __user *from, unsigned long size) } #define __copy_in_user copy_in_user -extern unsigned long __must_check __clear_user(void __user *, unsigned long); +unsigned long __must_check __clear_user(void __user *, unsigned long); #define clear_user __clear_user -extern long __must_check __strncpy_from_user(char *dest, const char __user *src, long count); - -#define strncpy_from_user __strncpy_from_user +__must_check long strlen_user(const char __user *str); +__must_check long strnlen_user(const char __user *str, long n); -extern long __strlen_user(const char __user *); -extern long __strnlen_user(const char __user *, long len); - -#define strlen_user __strlen_user -#define strnlen_user __strnlen_user #define __copy_to_user_inatomic __copy_to_user #define __copy_from_user_inatomic __copy_from_user +struct pt_regs; +unsigned long compute_effective_address(struct pt_regs *, + unsigned int insn, + unsigned int rd); + #endif /* __ASSEMBLY__ */ #endif /* _ASM_UACCESS_H */ diff --git a/arch/sparc/include/asm/uctx.h b/arch/sparc/include/asm/uctx.h deleted file mode 100644 index dc937c75ffd..00000000000 --- a/arch/sparc/include/asm/uctx.h +++ /dev/null @@ -1,71 +0,0 @@ -/* - * uctx.h: Sparc64 {set,get}context() register state layouts. - * - * Copyright (C) 1997 David S. Miller (davem@caip.rutgers.edu) - */ - -#ifndef __SPARC64_UCTX_H -#define __SPARC64_UCTX_H - -#define MC_TSTATE 0 -#define MC_PC 1 -#define MC_NPC 2 -#define MC_Y 3 -#define MC_G1 4 -#define MC_G2 5 -#define MC_G3 6 -#define MC_G4 7 -#define MC_G5 8 -#define MC_G6 9 -#define MC_G7 10 -#define MC_O0 11 -#define MC_O1 12 -#define MC_O2 13 -#define MC_O3 14 -#define MC_O4 15 -#define MC_O5 16 -#define MC_O6 17 -#define MC_O7 18 -#define MC_NGREG 19 - -typedef unsigned long mc_greg_t; -typedef mc_greg_t mc_gregset_t[MC_NGREG]; - -#define MC_MAXFPQ 16 -struct mc_fq { - unsigned long *mcfq_addr; - unsigned int mcfq_insn; -}; - -struct mc_fpu { - union { - unsigned int sregs[32]; - unsigned long dregs[32]; - long double qregs[16]; - } mcfpu_fregs; - unsigned long mcfpu_fsr; - unsigned long mcfpu_fprs; - unsigned long mcfpu_gsr; - struct mc_fq *mcfpu_fq; - unsigned char mcfpu_qcnt; - unsigned char mcfpu_qentsz; - unsigned char mcfpu_enab; -}; -typedef struct mc_fpu mc_fpu_t; - -typedef struct { - mc_gregset_t mc_gregs; - mc_greg_t mc_fp; - mc_greg_t mc_i7; - mc_fpu_t mc_fpregs; -} mcontext_t; - -struct ucontext { - struct ucontext *uc_link; - unsigned long uc_flags; - sigset_t uc_sigmask; - mcontext_t uc_mcontext; -}; -typedef struct ucontext ucontext_t; - -#endif /* __SPARC64_UCTX_H */ diff --git a/arch/sparc/include/asm/unistd.h b/arch/sparc/include/asm/unistd.h index 4207fb362da..0aac1e8f296 100644 --- a/arch/sparc/include/asm/unistd.h +++ b/arch/sparc/include/asm/unistd.h @@ -1,8 +1,47 @@ -#ifndef ___ASM_SPARC_UNISTD_H -#define ___ASM_SPARC_UNISTD_H -#if defined(__sparc__) && defined(__arch64__) -#include <asm/unistd_64.h> +/* + * System calls under the Sparc. + * + * Don't be scared by the ugly clobbers, it is the only way I can + * think of right now to force the arguments into fixed registers + * before the trap into the system call with gcc 'asm' statements. + * + * Copyright (C) 1995, 2007 David S. Miller (davem@davemloft.net) + * + * SunOS compatibility based upon preliminary work which is: + * + * Copyright (C) 1995 Adrian M. Rodriguez (adrian@remus.rutgers.edu) + */ +#ifndef _SPARC_UNISTD_H +#define _SPARC_UNISTD_H + +#include <uapi/asm/unistd.h> + +#ifdef __32bit_syscall_numbers__ #else -#include <asm/unistd_32.h> +#define __NR_time 231 /* Linux sparc32 */ #endif +#define __ARCH_WANT_OLD_READDIR +#define __ARCH_WANT_STAT64 +#define __ARCH_WANT_SYS_ALARM +#define __ARCH_WANT_SYS_GETHOSTNAME +#define __ARCH_WANT_SYS_PAUSE +#define __ARCH_WANT_SYS_SIGNAL +#define __ARCH_WANT_SYS_TIME +#define __ARCH_WANT_SYS_UTIME +#define __ARCH_WANT_SYS_WAITPID +#define __ARCH_WANT_SYS_SOCKETCALL +#define __ARCH_WANT_SYS_FADVISE64 +#define __ARCH_WANT_SYS_GETPGRP +#define __ARCH_WANT_SYS_LLSEEK +#define __ARCH_WANT_SYS_NICE +#define __ARCH_WANT_SYS_OLDUMOUNT +#define __ARCH_WANT_SYS_SIGPENDING +#define __ARCH_WANT_SYS_SIGPROCMASK +#ifdef __32bit_syscall_numbers__ +#define __ARCH_WANT_SYS_IPC +#else +#define __ARCH_WANT_COMPAT_SYS_TIME +#define __ARCH_WANT_COMPAT_SYS_SENDFILE #endif + +#endif /* _SPARC_UNISTD_H */ diff --git a/arch/sparc/include/asm/unistd_32.h b/arch/sparc/include/asm/unistd_32.h deleted file mode 100644 index 648643a9f13..00000000000 --- a/arch/sparc/include/asm/unistd_32.h +++ /dev/null @@ -1,384 +0,0 @@ -#ifndef _SPARC_UNISTD_H -#define _SPARC_UNISTD_H - -/* - * System calls under the Sparc. - * - * Don't be scared by the ugly clobbers, it is the only way I can - * think of right now to force the arguments into fixed registers - * before the trap into the system call with gcc 'asm' statements. - * - * Copyright (C) 1995, 2007 David S. Miller (davem@davemloft.net) - * - * SunOS compatibility based upon preliminary work which is: - * - * Copyright (C) 1995 Adrian M. Rodriguez (adrian@remus.rutgers.edu) - */ - -#define __NR_restart_syscall 0 /* Linux Specific */ -#define __NR_exit 1 /* Common */ -#define __NR_fork 2 /* Common */ -#define __NR_read 3 /* Common */ -#define __NR_write 4 /* Common */ -#define __NR_open 5 /* Common */ -#define __NR_close 6 /* Common */ -#define __NR_wait4 7 /* Common */ -#define __NR_creat 8 /* Common */ -#define __NR_link 9 /* Common */ -#define __NR_unlink 10 /* Common */ -#define __NR_execv 11 /* SunOS Specific */ -#define __NR_chdir 12 /* Common */ -#define __NR_chown 13 /* Common */ -#define __NR_mknod 14 /* Common */ -#define __NR_chmod 15 /* Common */ -#define __NR_lchown 16 /* Common */ -#define __NR_brk 17 /* Common */ -#define __NR_perfctr 18 /* Performance counter operations */ -#define __NR_lseek 19 /* Common */ -#define __NR_getpid 20 /* Common */ -#define __NR_capget 21 /* Linux Specific */ -#define __NR_capset 22 /* Linux Specific */ -#define __NR_setuid 23 /* Implemented via setreuid in SunOS */ -#define __NR_getuid 24 /* Common */ -#define __NR_vmsplice 25 /* ENOSYS under SunOS */ -#define __NR_ptrace 26 /* Common */ -#define __NR_alarm 27 /* Implemented via setitimer in SunOS */ -#define __NR_sigaltstack 28 /* Common */ -#define __NR_pause 29 /* Is sigblock(0)->sigpause() in SunOS */ -#define __NR_utime 30 /* Implemented via utimes() under SunOS */ -#define __NR_lchown32 31 /* Linux sparc32 specific */ -#define __NR_fchown32 32 /* Linux sparc32 specific */ -#define __NR_access 33 /* Common */ -#define __NR_nice 34 /* Implemented via get/setpriority() in SunOS */ -#define __NR_chown32 35 /* Linux sparc32 specific */ -#define __NR_sync 36 /* Common */ -#define __NR_kill 37 /* Common */ -#define __NR_stat 38 /* Common */ -#define __NR_sendfile 39 /* Linux Specific */ -#define __NR_lstat 40 /* Common */ -#define __NR_dup 41 /* Common */ -#define __NR_pipe 42 /* Common */ -#define __NR_times 43 /* Implemented via getrusage() in SunOS */ -#define __NR_getuid32 44 /* Linux sparc32 specific */ -#define __NR_umount2 45 /* Linux Specific */ -#define __NR_setgid 46 /* Implemented via setregid() in SunOS */ -#define __NR_getgid 47 /* Common */ -#define __NR_signal 48 /* Implemented via sigvec() in SunOS */ -#define __NR_geteuid 49 /* SunOS calls getuid() */ -#define __NR_getegid 50 /* SunOS calls getgid() */ -#define __NR_acct 51 /* Common */ -/* #define __NR_memory_ordering 52 Linux sparc64 specific */ -#define __NR_getgid32 53 /* Linux sparc32 specific */ -#define __NR_ioctl 54 /* Common */ -#define __NR_reboot 55 /* Common */ -#define __NR_mmap2 56 /* Linux sparc32 Specific */ -#define __NR_symlink 57 /* Common */ -#define __NR_readlink 58 /* Common */ -#define __NR_execve 59 /* Common */ -#define __NR_umask 60 /* Common */ -#define __NR_chroot 61 /* Common */ -#define __NR_fstat 62 /* Common */ -#define __NR_fstat64 63 /* Linux Specific */ -#define __NR_getpagesize 64 /* Common */ -#define __NR_msync 65 /* Common in newer 1.3.x revs... */ -#define __NR_vfork 66 /* Common */ -#define __NR_pread64 67 /* Linux Specific */ -#define __NR_pwrite64 68 /* Linux Specific */ -#define __NR_geteuid32 69 /* Linux sparc32, sbrk under SunOS */ -#define __NR_getegid32 70 /* Linux sparc32, sstk under SunOS */ -#define __NR_mmap 71 /* Common */ -#define __NR_setreuid32 72 /* Linux sparc32, vadvise under SunOS */ -#define __NR_munmap 73 /* Common */ -#define __NR_mprotect 74 /* Common */ -#define __NR_madvise 75 /* Common */ -#define __NR_vhangup 76 /* Common */ -#define __NR_truncate64 77 /* Linux sparc32 Specific */ -#define __NR_mincore 78 /* Common */ -#define __NR_getgroups 79 /* Common */ -#define __NR_setgroups 80 /* Common */ -#define __NR_getpgrp 81 /* Common */ -#define __NR_setgroups32 82 /* Linux sparc32, setpgrp under SunOS */ -#define __NR_setitimer 83 /* Common */ -#define __NR_ftruncate64 84 /* Linux sparc32 Specific */ -#define __NR_swapon 85 /* Common */ -#define __NR_getitimer 86 /* Common */ -#define __NR_setuid32 87 /* Linux sparc32, gethostname under SunOS */ -#define __NR_sethostname 88 /* Common */ -#define __NR_setgid32 89 /* Linux sparc32, getdtablesize under SunOS */ -#define __NR_dup2 90 /* Common */ -#define __NR_setfsuid32 91 /* Linux sparc32, getdopt under SunOS */ -#define __NR_fcntl 92 /* Common */ -#define __NR_select 93 /* Common */ -#define __NR_setfsgid32 94 /* Linux sparc32, setdopt under SunOS */ -#define __NR_fsync 95 /* Common */ -#define __NR_setpriority 96 /* Common */ -#define __NR_socket 97 /* Common */ -#define __NR_connect 98 /* Common */ -#define __NR_accept 99 /* Common */ -#define __NR_getpriority 100 /* Common */ -#define __NR_rt_sigreturn 101 /* Linux Specific */ -#define __NR_rt_sigaction 102 /* Linux Specific */ -#define __NR_rt_sigprocmask 103 /* Linux Specific */ -#define __NR_rt_sigpending 104 /* Linux Specific */ -#define __NR_rt_sigtimedwait 105 /* Linux Specific */ -#define __NR_rt_sigqueueinfo 106 /* Linux Specific */ -#define __NR_rt_sigsuspend 107 /* Linux Specific */ -#define __NR_setresuid32 108 /* Linux Specific, sigvec under SunOS */ -#define __NR_getresuid32 109 /* Linux Specific, sigblock under SunOS */ -#define __NR_setresgid32 110 /* Linux Specific, sigsetmask under SunOS */ -#define __NR_getresgid32 111 /* Linux Specific, sigpause under SunOS */ -#define __NR_setregid32 112 /* Linux sparc32, sigstack under SunOS */ -#define __NR_recvmsg 113 /* Common */ -#define __NR_sendmsg 114 /* Common */ -#define __NR_getgroups32 115 /* Linux sparc32, vtrace under SunOS */ -#define __NR_gettimeofday 116 /* Common */ -#define __NR_getrusage 117 /* Common */ -#define __NR_getsockopt 118 /* Common */ -#define __NR_getcwd 119 /* Linux Specific */ -#define __NR_readv 120 /* Common */ -#define __NR_writev 121 /* Common */ -#define __NR_settimeofday 122 /* Common */ -#define __NR_fchown 123 /* Common */ -#define __NR_fchmod 124 /* Common */ -#define __NR_recvfrom 125 /* Common */ -#define __NR_setreuid 126 /* Common */ -#define __NR_setregid 127 /* Common */ -#define __NR_rename 128 /* Common */ -#define __NR_truncate 129 /* Common */ -#define __NR_ftruncate 130 /* Common */ -#define __NR_flock 131 /* Common */ -#define __NR_lstat64 132 /* Linux Specific */ -#define __NR_sendto 133 /* Common */ -#define __NR_shutdown 134 /* Common */ -#define __NR_socketpair 135 /* Common */ -#define __NR_mkdir 136 /* Common */ -#define __NR_rmdir 137 /* Common */ -#define __NR_utimes 138 /* SunOS Specific */ -#define __NR_stat64 139 /* Linux Specific */ -#define __NR_sendfile64 140 /* adjtime under SunOS */ -#define __NR_getpeername 141 /* Common */ -#define __NR_futex 142 /* gethostid under SunOS */ -#define __NR_gettid 143 /* ENOSYS under SunOS */ -#define __NR_getrlimit 144 /* Common */ -#define __NR_setrlimit 145 /* Common */ -#define __NR_pivot_root 146 /* Linux Specific, killpg under SunOS */ -#define __NR_prctl 147 /* ENOSYS under SunOS */ -#define __NR_pciconfig_read 148 /* ENOSYS under SunOS */ -#define __NR_pciconfig_write 149 /* ENOSYS under SunOS */ -#define __NR_getsockname 150 /* Common */ -#define __NR_inotify_init 151 /* Linux specific */ -#define __NR_inotify_add_watch 152 /* Linux specific */ -#define __NR_poll 153 /* Common */ -#define __NR_getdents64 154 /* Linux specific */ -#define __NR_fcntl64 155 /* Linux sparc32 Specific */ -#define __NR_inotify_rm_watch 156 /* Linux specific */ -#define __NR_statfs 157 /* Common */ -#define __NR_fstatfs 158 /* Common */ -#define __NR_umount 159 /* Common */ -#define __NR_sched_set_affinity 160 /* Linux specific, async_daemon under SunOS */ -#define __NR_sched_get_affinity 161 /* Linux specific, getfh under SunOS */ -#define __NR_getdomainname 162 /* SunOS Specific */ -#define __NR_setdomainname 163 /* Common */ -/* #define __NR_utrap_install 164 Linux sparc64 specific */ -#define __NR_quotactl 165 /* Common */ -#define __NR_set_tid_address 166 /* Linux specific, exportfs under SunOS */ -#define __NR_mount 167 /* Common */ -#define __NR_ustat 168 /* Common */ -#define __NR_setxattr 169 /* SunOS: semsys */ -#define __NR_lsetxattr 170 /* SunOS: msgsys */ -#define __NR_fsetxattr 171 /* SunOS: shmsys */ -#define __NR_getxattr 172 /* SunOS: auditsys */ -#define __NR_lgetxattr 173 /* SunOS: rfssys */ -#define __NR_getdents 174 /* Common */ -#define __NR_setsid 175 /* Common */ -#define __NR_fchdir 176 /* Common */ -#define __NR_fgetxattr 177 /* SunOS: fchroot */ -#define __NR_listxattr 178 /* SunOS: vpixsys */ -#define __NR_llistxattr 179 /* SunOS: aioread */ -#define __NR_flistxattr 180 /* SunOS: aiowrite */ -#define __NR_removexattr 181 /* SunOS: aiowait */ -#define __NR_lremovexattr 182 /* SunOS: aiocancel */ -#define __NR_sigpending 183 /* Common */ -#define __NR_query_module 184 /* Linux Specific */ -#define __NR_setpgid 185 /* Common */ -#define __NR_fremovexattr 186 /* SunOS: pathconf */ -#define __NR_tkill 187 /* SunOS: fpathconf */ -#define __NR_exit_group 188 /* Linux specific, sysconf undef SunOS */ -#define __NR_uname 189 /* Linux Specific */ -#define __NR_init_module 190 /* Linux Specific */ -#define __NR_personality 191 /* Linux Specific */ -#define __NR_remap_file_pages 192 /* Linux Specific */ -#define __NR_epoll_create 193 /* Linux Specific */ -#define __NR_epoll_ctl 194 /* Linux Specific */ -#define __NR_epoll_wait 195 /* Linux Specific */ -#define __NR_ioprio_set 196 /* Linux Specific */ -#define __NR_getppid 197 /* Linux Specific */ -#define __NR_sigaction 198 /* Linux Specific */ -#define __NR_sgetmask 199 /* Linux Specific */ -#define __NR_ssetmask 200 /* Linux Specific */ -#define __NR_sigsuspend 201 /* Linux Specific */ -#define __NR_oldlstat 202 /* Linux Specific */ -#define __NR_uselib 203 /* Linux Specific */ -#define __NR_readdir 204 /* Linux Specific */ -#define __NR_readahead 205 /* Linux Specific */ -#define __NR_socketcall 206 /* Linux Specific */ -#define __NR_syslog 207 /* Linux Specific */ -#define __NR_lookup_dcookie 208 /* Linux Specific */ -#define __NR_fadvise64 209 /* Linux Specific */ -#define __NR_fadvise64_64 210 /* Linux Specific */ -#define __NR_tgkill 211 /* Linux Specific */ -#define __NR_waitpid 212 /* Linux Specific */ -#define __NR_swapoff 213 /* Linux Specific */ -#define __NR_sysinfo 214 /* Linux Specific */ -#define __NR_ipc 215 /* Linux Specific */ -#define __NR_sigreturn 216 /* Linux Specific */ -#define __NR_clone 217 /* Linux Specific */ -#define __NR_ioprio_get 218 /* Linux Specific */ -#define __NR_adjtimex 219 /* Linux Specific */ -#define __NR_sigprocmask 220 /* Linux Specific */ -#define __NR_create_module 221 /* Linux Specific */ -#define __NR_delete_module 222 /* Linux Specific */ -#define __NR_get_kernel_syms 223 /* Linux Specific */ -#define __NR_getpgid 224 /* Linux Specific */ -#define __NR_bdflush 225 /* Linux Specific */ -#define __NR_sysfs 226 /* Linux Specific */ -#define __NR_afs_syscall 227 /* Linux Specific */ -#define __NR_setfsuid 228 /* Linux Specific */ -#define __NR_setfsgid 229 /* Linux Specific */ -#define __NR__newselect 230 /* Linux Specific */ -#define __NR_time 231 /* Linux Specific */ -#define __NR_splice 232 /* Linux Specific */ -#define __NR_stime 233 /* Linux Specific */ -#define __NR_statfs64 234 /* Linux Specific */ -#define __NR_fstatfs64 235 /* Linux Specific */ -#define __NR__llseek 236 /* Linux Specific */ -#define __NR_mlock 237 -#define __NR_munlock 238 -#define __NR_mlockall 239 -#define __NR_munlockall 240 -#define __NR_sched_setparam 241 -#define __NR_sched_getparam 242 -#define __NR_sched_setscheduler 243 -#define __NR_sched_getscheduler 244 -#define __NR_sched_yield 245 -#define __NR_sched_get_priority_max 246 -#define __NR_sched_get_priority_min 247 -#define __NR_sched_rr_get_interval 248 -#define __NR_nanosleep 249 -#define __NR_mremap 250 -#define __NR__sysctl 251 -#define __NR_getsid 252 -#define __NR_fdatasync 253 -#define __NR_nfsservctl 254 -#define __NR_sync_file_range 255 -#define __NR_clock_settime 256 -#define __NR_clock_gettime 257 -#define __NR_clock_getres 258 -#define __NR_clock_nanosleep 259 -#define __NR_sched_getaffinity 260 -#define __NR_sched_setaffinity 261 -#define __NR_timer_settime 262 -#define __NR_timer_gettime 263 -#define __NR_timer_getoverrun 264 -#define __NR_timer_delete 265 -#define __NR_timer_create 266 -/* #define __NR_vserver 267 Reserved for VSERVER */ -#define __NR_io_setup 268 -#define __NR_io_destroy 269 -#define __NR_io_submit 270 -#define __NR_io_cancel 271 -#define __NR_io_getevents 272 -#define __NR_mq_open 273 -#define __NR_mq_unlink 274 -#define __NR_mq_timedsend 275 -#define __NR_mq_timedreceive 276 -#define __NR_mq_notify 277 -#define __NR_mq_getsetattr 278 -#define __NR_waitid 279 -#define __NR_tee 280 -#define __NR_add_key 281 -#define __NR_request_key 282 -#define __NR_keyctl 283 -#define __NR_openat 284 -#define __NR_mkdirat 285 -#define __NR_mknodat 286 -#define __NR_fchownat 287 -#define __NR_futimesat 288 -#define __NR_fstatat64 289 -#define __NR_unlinkat 290 -#define __NR_renameat 291 -#define __NR_linkat 292 -#define __NR_symlinkat 293 -#define __NR_readlinkat 294 -#define __NR_fchmodat 295 -#define __NR_faccessat 296 -#define __NR_pselect6 297 -#define __NR_ppoll 298 -#define __NR_unshare 299 -#define __NR_set_robust_list 300 -#define __NR_get_robust_list 301 -#define __NR_migrate_pages 302 -#define __NR_mbind 303 -#define __NR_get_mempolicy 304 -#define __NR_set_mempolicy 305 -#define __NR_kexec_load 306 -#define __NR_move_pages 307 -#define __NR_getcpu 308 -#define __NR_epoll_pwait 309 -#define __NR_utimensat 310 -#define __NR_signalfd 311 -#define __NR_timerfd_create 312 -#define __NR_eventfd 313 -#define __NR_fallocate 314 -#define __NR_timerfd_settime 315 -#define __NR_timerfd_gettime 316 -#define __NR_signalfd4 317 -#define __NR_eventfd2 318 -#define __NR_epoll_create1 319 -#define __NR_dup3 320 -#define __NR_pipe2 321 -#define __NR_inotify_init1 322 - -#define NR_SYSCALLS 323 - -/* Sparc 32-bit only has the "setresuid32", "getresuid32" variants, - * it never had the plain ones and there is no value to adding those - * old versions into the syscall table. - */ -#define __IGNORE_setresuid -#define __IGNORE_getresuid -#define __IGNORE_setresgid -#define __IGNORE_getresgid - -#ifdef __KERNEL__ -#define __ARCH_WANT_IPC_PARSE_VERSION -#define __ARCH_WANT_OLD_READDIR -#define __ARCH_WANT_STAT64 -#define __ARCH_WANT_SYS_ALARM -#define __ARCH_WANT_SYS_GETHOSTNAME -#define __ARCH_WANT_SYS_PAUSE -#define __ARCH_WANT_SYS_SGETMASK -#define __ARCH_WANT_SYS_SIGNAL -#define __ARCH_WANT_SYS_TIME -#define __ARCH_WANT_SYS_UTIME -#define __ARCH_WANT_SYS_WAITPID -#define __ARCH_WANT_SYS_SOCKETCALL -#define __ARCH_WANT_SYS_FADVISE64 -#define __ARCH_WANT_SYS_GETPGRP -#define __ARCH_WANT_SYS_LLSEEK -#define __ARCH_WANT_SYS_NICE -#define __ARCH_WANT_SYS_OLDUMOUNT -#define __ARCH_WANT_SYS_SIGPENDING -#define __ARCH_WANT_SYS_SIGPROCMASK -#define __ARCH_WANT_SYS_RT_SIGSUSPEND - -/* - * "Conditional" syscalls - * - * What we want is __attribute__((weak,alias("sys_ni_syscall"))), - * but it doesn't work on all toolchains, so we just do it by hand - */ -#define cond_syscall(x) asm(".weak\t" #x "\n\t.set\t" #x ",sys_ni_syscall") - -#endif /* __KERNEL__ */ -#endif /* _SPARC_UNISTD_H */ diff --git a/arch/sparc/include/asm/unistd_64.h b/arch/sparc/include/asm/unistd_64.h deleted file mode 100644 index c5cc0e05232..00000000000 --- a/arch/sparc/include/asm/unistd_64.h +++ /dev/null @@ -1,379 +0,0 @@ -#ifndef _SPARC64_UNISTD_H -#define _SPARC64_UNISTD_H - -/* - * System calls under the Sparc. - * - * Don't be scared by the ugly clobbers, it is the only way I can - * think of right now to force the arguments into fixed registers - * before the trap into the system call with gcc 'asm' statements. - * - * Copyright (C) 1995, 2007 David S. Miller (davem@davemloft.net) - * - * SunOS compatibility based upon preliminary work which is: - * - * Copyright (C) 1995 Adrian M. Rodriguez (adrian@remus.rutgers.edu) - */ - -#define __NR_restart_syscall 0 /* Linux Specific */ -#define __NR_exit 1 /* Common */ -#define __NR_fork 2 /* Common */ -#define __NR_read 3 /* Common */ -#define __NR_write 4 /* Common */ -#define __NR_open 5 /* Common */ -#define __NR_close 6 /* Common */ -#define __NR_wait4 7 /* Common */ -#define __NR_creat 8 /* Common */ -#define __NR_link 9 /* Common */ -#define __NR_unlink 10 /* Common */ -#define __NR_execv 11 /* SunOS Specific */ -#define __NR_chdir 12 /* Common */ -#define __NR_chown 13 /* Common */ -#define __NR_mknod 14 /* Common */ -#define __NR_chmod 15 /* Common */ -#define __NR_lchown 16 /* Common */ -#define __NR_brk 17 /* Common */ -#define __NR_perfctr 18 /* Performance counter operations */ -#define __NR_lseek 19 /* Common */ -#define __NR_getpid 20 /* Common */ -#define __NR_capget 21 /* Linux Specific */ -#define __NR_capset 22 /* Linux Specific */ -#define __NR_setuid 23 /* Implemented via setreuid in SunOS */ -#define __NR_getuid 24 /* Common */ -#define __NR_vmsplice 25 /* ENOSYS under SunOS */ -#define __NR_ptrace 26 /* Common */ -#define __NR_alarm 27 /* Implemented via setitimer in SunOS */ -#define __NR_sigaltstack 28 /* Common */ -#define __NR_pause 29 /* Is sigblock(0)->sigpause() in SunOS */ -#define __NR_utime 30 /* Implemented via utimes() under SunOS */ -/* #define __NR_lchown32 31 Linux sparc32 specific */ -/* #define __NR_fchown32 32 Linux sparc32 specific */ -#define __NR_access 33 /* Common */ -#define __NR_nice 34 /* Implemented via get/setpriority() in SunOS */ -/* #define __NR_chown32 35 Linux sparc32 specific */ -#define __NR_sync 36 /* Common */ -#define __NR_kill 37 /* Common */ -#define __NR_stat 38 /* Common */ -#define __NR_sendfile 39 /* Linux Specific */ -#define __NR_lstat 40 /* Common */ -#define __NR_dup 41 /* Common */ -#define __NR_pipe 42 /* Common */ -#define __NR_times 43 /* Implemented via getrusage() in SunOS */ -/* #define __NR_getuid32 44 Linux sparc32 specific */ -#define __NR_umount2 45 /* Linux Specific */ -#define __NR_setgid 46 /* Implemented via setregid() in SunOS */ -#define __NR_getgid 47 /* Common */ -#define __NR_signal 48 /* Implemented via sigvec() in SunOS */ -#define __NR_geteuid 49 /* SunOS calls getuid() */ -#define __NR_getegid 50 /* SunOS calls getgid() */ -#define __NR_acct 51 /* Common */ -#define __NR_memory_ordering 52 /* Linux Specific */ -/* #define __NR_getgid32 53 Linux sparc32 specific */ -#define __NR_ioctl 54 /* Common */ -#define __NR_reboot 55 /* Common */ -/* #define __NR_mmap2 56 Linux sparc32 Specific */ -#define __NR_symlink 57 /* Common */ -#define __NR_readlink 58 /* Common */ -#define __NR_execve 59 /* Common */ -#define __NR_umask 60 /* Common */ -#define __NR_chroot 61 /* Common */ -#define __NR_fstat 62 /* Common */ -#define __NR_fstat64 63 /* Linux Specific */ -#define __NR_getpagesize 64 /* Common */ -#define __NR_msync 65 /* Common in newer 1.3.x revs... */ -#define __NR_vfork 66 /* Common */ -#define __NR_pread64 67 /* Linux Specific */ -#define __NR_pwrite64 68 /* Linux Specific */ -/* #define __NR_geteuid32 69 Linux sparc32, sbrk under SunOS */ -/* #define __NR_getegid32 70 Linux sparc32, sstk under SunOS */ -#define __NR_mmap 71 /* Common */ -/* #define __NR_setreuid32 72 Linux sparc32, vadvise under SunOS */ -#define __NR_munmap 73 /* Common */ -#define __NR_mprotect 74 /* Common */ -#define __NR_madvise 75 /* Common */ -#define __NR_vhangup 76 /* Common */ -/* #define __NR_truncate64 77 Linux sparc32 Specific */ -#define __NR_mincore 78 /* Common */ -#define __NR_getgroups 79 /* Common */ -#define __NR_setgroups 80 /* Common */ -#define __NR_getpgrp 81 /* Common */ -/* #define __NR_setgroups32 82 Linux sparc32, setpgrp under SunOS */ -#define __NR_setitimer 83 /* Common */ -/* #define __NR_ftruncate64 84 Linux sparc32 Specific */ -#define __NR_swapon 85 /* Common */ -#define __NR_getitimer 86 /* Common */ -/* #define __NR_setuid32 87 Linux sparc32, gethostname under SunOS */ -#define __NR_sethostname 88 /* Common */ -/* #define __NR_setgid32 89 Linux sparc32, getdtablesize under SunOS */ -#define __NR_dup2 90 /* Common */ -/* #define __NR_setfsuid32 91 Linux sparc32, getdopt under SunOS */ -#define __NR_fcntl 92 /* Common */ -#define __NR_select 93 /* Common */ -/* #define __NR_setfsgid32 94 Linux sparc32, setdopt under SunOS */ -#define __NR_fsync 95 /* Common */ -#define __NR_setpriority 96 /* Common */ -#define __NR_socket 97 /* Common */ -#define __NR_connect 98 /* Common */ -#define __NR_accept 99 /* Common */ -#define __NR_getpriority 100 /* Common */ -#define __NR_rt_sigreturn 101 /* Linux Specific */ -#define __NR_rt_sigaction 102 /* Linux Specific */ -#define __NR_rt_sigprocmask 103 /* Linux Specific */ -#define __NR_rt_sigpending 104 /* Linux Specific */ -#define __NR_rt_sigtimedwait 105 /* Linux Specific */ -#define __NR_rt_sigqueueinfo 106 /* Linux Specific */ -#define __NR_rt_sigsuspend 107 /* Linux Specific */ -#define __NR_setresuid 108 /* Linux Specific, sigvec under SunOS */ -#define __NR_getresuid 109 /* Linux Specific, sigblock under SunOS */ -#define __NR_setresgid 110 /* Linux Specific, sigsetmask under SunOS */ -#define __NR_getresgid 111 /* Linux Specific, sigpause under SunOS */ -/* #define __NR_setregid32 75 Linux sparc32, sigstack under SunOS */ -#define __NR_recvmsg 113 /* Common */ -#define __NR_sendmsg 114 /* Common */ -/* #define __NR_getgroups32 115 Linux sparc32, vtrace under SunOS */ -#define __NR_gettimeofday 116 /* Common */ -#define __NR_getrusage 117 /* Common */ -#define __NR_getsockopt 118 /* Common */ -#define __NR_getcwd 119 /* Linux Specific */ -#define __NR_readv 120 /* Common */ -#define __NR_writev 121 /* Common */ -#define __NR_settimeofday 122 /* Common */ -#define __NR_fchown 123 /* Common */ -#define __NR_fchmod 124 /* Common */ -#define __NR_recvfrom 125 /* Common */ -#define __NR_setreuid 126 /* Common */ -#define __NR_setregid 127 /* Common */ -#define __NR_rename 128 /* Common */ -#define __NR_truncate 129 /* Common */ -#define __NR_ftruncate 130 /* Common */ -#define __NR_flock 131 /* Common */ -#define __NR_lstat64 132 /* Linux Specific */ -#define __NR_sendto 133 /* Common */ -#define __NR_shutdown 134 /* Common */ -#define __NR_socketpair 135 /* Common */ -#define __NR_mkdir 136 /* Common */ -#define __NR_rmdir 137 /* Common */ -#define __NR_utimes 138 /* SunOS Specific */ -#define __NR_stat64 139 /* Linux Specific */ -#define __NR_sendfile64 140 /* adjtime under SunOS */ -#define __NR_getpeername 141 /* Common */ -#define __NR_futex 142 /* gethostid under SunOS */ -#define __NR_gettid 143 /* ENOSYS under SunOS */ -#define __NR_getrlimit 144 /* Common */ -#define __NR_setrlimit 145 /* Common */ -#define __NR_pivot_root 146 /* Linux Specific, killpg under SunOS */ -#define __NR_prctl 147 /* ENOSYS under SunOS */ -#define __NR_pciconfig_read 148 /* ENOSYS under SunOS */ -#define __NR_pciconfig_write 149 /* ENOSYS under SunOS */ -#define __NR_getsockname 150 /* Common */ -#define __NR_inotify_init 151 /* Linux specific */ -#define __NR_inotify_add_watch 152 /* Linux specific */ -#define __NR_poll 153 /* Common */ -#define __NR_getdents64 154 /* Linux specific */ -/* #define __NR_fcntl64 155 Linux sparc32 Specific */ -#define __NR_inotify_rm_watch 156 /* Linux specific */ -#define __NR_statfs 157 /* Common */ -#define __NR_fstatfs 158 /* Common */ -#define __NR_umount 159 /* Common */ -#define __NR_sched_set_affinity 160 /* Linux specific, async_daemon under SunOS */ -#define __NR_sched_get_affinity 161 /* Linux specific, getfh under SunOS */ -#define __NR_getdomainname 162 /* SunOS Specific */ -#define __NR_setdomainname 163 /* Common */ -#define __NR_utrap_install 164 /* SYSV ABI/v9 required */ -#define __NR_quotactl 165 /* Common */ -#define __NR_set_tid_address 166 /* Linux specific, exportfs under SunOS */ -#define __NR_mount 167 /* Common */ -#define __NR_ustat 168 /* Common */ -#define __NR_setxattr 169 /* SunOS: semsys */ -#define __NR_lsetxattr 170 /* SunOS: msgsys */ -#define __NR_fsetxattr 171 /* SunOS: shmsys */ -#define __NR_getxattr 172 /* SunOS: auditsys */ -#define __NR_lgetxattr 173 /* SunOS: rfssys */ -#define __NR_getdents 174 /* Common */ -#define __NR_setsid 175 /* Common */ -#define __NR_fchdir 176 /* Common */ -#define __NR_fgetxattr 177 /* SunOS: fchroot */ -#define __NR_listxattr 178 /* SunOS: vpixsys */ -#define __NR_llistxattr 179 /* SunOS: aioread */ -#define __NR_flistxattr 180 /* SunOS: aiowrite */ -#define __NR_removexattr 181 /* SunOS: aiowait */ -#define __NR_lremovexattr 182 /* SunOS: aiocancel */ -#define __NR_sigpending 183 /* Common */ -#define __NR_query_module 184 /* Linux Specific */ -#define __NR_setpgid 185 /* Common */ -#define __NR_fremovexattr 186 /* SunOS: pathconf */ -#define __NR_tkill 187 /* SunOS: fpathconf */ -#define __NR_exit_group 188 /* Linux specific, sysconf undef SunOS */ -#define __NR_uname 189 /* Linux Specific */ -#define __NR_init_module 190 /* Linux Specific */ -#define __NR_personality 191 /* Linux Specific */ -#define __NR_remap_file_pages 192 /* Linux Specific */ -#define __NR_epoll_create 193 /* Linux Specific */ -#define __NR_epoll_ctl 194 /* Linux Specific */ -#define __NR_epoll_wait 195 /* Linux Specific */ -#define __NR_ioprio_set 196 /* Linux Specific */ -#define __NR_getppid 197 /* Linux Specific */ -#define __NR_sigaction 198 /* Linux Specific */ -#define __NR_sgetmask 199 /* Linux Specific */ -#define __NR_ssetmask 200 /* Linux Specific */ -#define __NR_sigsuspend 201 /* Linux Specific */ -#define __NR_oldlstat 202 /* Linux Specific */ -#define __NR_uselib 203 /* Linux Specific */ -#define __NR_readdir 204 /* Linux Specific */ -#define __NR_readahead 205 /* Linux Specific */ -#define __NR_socketcall 206 /* Linux Specific */ -#define __NR_syslog 207 /* Linux Specific */ -#define __NR_lookup_dcookie 208 /* Linux Specific */ -#define __NR_fadvise64 209 /* Linux Specific */ -#define __NR_fadvise64_64 210 /* Linux Specific */ -#define __NR_tgkill 211 /* Linux Specific */ -#define __NR_waitpid 212 /* Linux Specific */ -#define __NR_swapoff 213 /* Linux Specific */ -#define __NR_sysinfo 214 /* Linux Specific */ -#define __NR_ipc 215 /* Linux Specific */ -#define __NR_sigreturn 216 /* Linux Specific */ -#define __NR_clone 217 /* Linux Specific */ -#define __NR_ioprio_get 218 /* Linux Specific */ -#define __NR_adjtimex 219 /* Linux Specific */ -#define __NR_sigprocmask 220 /* Linux Specific */ -#define __NR_create_module 221 /* Linux Specific */ -#define __NR_delete_module 222 /* Linux Specific */ -#define __NR_get_kernel_syms 223 /* Linux Specific */ -#define __NR_getpgid 224 /* Linux Specific */ -#define __NR_bdflush 225 /* Linux Specific */ -#define __NR_sysfs 226 /* Linux Specific */ -#define __NR_afs_syscall 227 /* Linux Specific */ -#define __NR_setfsuid 228 /* Linux Specific */ -#define __NR_setfsgid 229 /* Linux Specific */ -#define __NR__newselect 230 /* Linux Specific */ -#ifdef __KERNEL__ -#define __NR_time 231 /* Linux sparc32 */ -#endif -#define __NR_splice 232 /* Linux Specific */ -#define __NR_stime 233 /* Linux Specific */ -#define __NR_statfs64 234 /* Linux Specific */ -#define __NR_fstatfs64 235 /* Linux Specific */ -#define __NR__llseek 236 /* Linux Specific */ -#define __NR_mlock 237 -#define __NR_munlock 238 -#define __NR_mlockall 239 -#define __NR_munlockall 240 -#define __NR_sched_setparam 241 -#define __NR_sched_getparam 242 -#define __NR_sched_setscheduler 243 -#define __NR_sched_getscheduler 244 -#define __NR_sched_yield 245 -#define __NR_sched_get_priority_max 246 -#define __NR_sched_get_priority_min 247 -#define __NR_sched_rr_get_interval 248 -#define __NR_nanosleep 249 -#define __NR_mremap 250 -#define __NR__sysctl 251 -#define __NR_getsid 252 -#define __NR_fdatasync 253 -#define __NR_nfsservctl 254 -#define __NR_sync_file_range 255 -#define __NR_clock_settime 256 -#define __NR_clock_gettime 257 -#define __NR_clock_getres 258 -#define __NR_clock_nanosleep 259 -#define __NR_sched_getaffinity 260 -#define __NR_sched_setaffinity 261 -#define __NR_timer_settime 262 -#define __NR_timer_gettime 263 -#define __NR_timer_getoverrun 264 -#define __NR_timer_delete 265 -#define __NR_timer_create 266 -/* #define __NR_vserver 267 Reserved for VSERVER */ -#define __NR_io_setup 268 -#define __NR_io_destroy 269 -#define __NR_io_submit 270 -#define __NR_io_cancel 271 -#define __NR_io_getevents 272 -#define __NR_mq_open 273 -#define __NR_mq_unlink 274 -#define __NR_mq_timedsend 275 -#define __NR_mq_timedreceive 276 -#define __NR_mq_notify 277 -#define __NR_mq_getsetattr 278 -#define __NR_waitid 279 -#define __NR_tee 280 -#define __NR_add_key 281 -#define __NR_request_key 282 -#define __NR_keyctl 283 -#define __NR_openat 284 -#define __NR_mkdirat 285 -#define __NR_mknodat 286 -#define __NR_fchownat 287 -#define __NR_futimesat 288 -#define __NR_fstatat64 289 -#define __NR_unlinkat 290 -#define __NR_renameat 291 -#define __NR_linkat 292 -#define __NR_symlinkat 293 -#define __NR_readlinkat 294 -#define __NR_fchmodat 295 -#define __NR_faccessat 296 -#define __NR_pselect6 297 -#define __NR_ppoll 298 -#define __NR_unshare 299 -#define __NR_set_robust_list 300 -#define __NR_get_robust_list 301 -#define __NR_migrate_pages 302 -#define __NR_mbind 303 -#define __NR_get_mempolicy 304 -#define __NR_set_mempolicy 305 -#define __NR_kexec_load 306 -#define __NR_move_pages 307 -#define __NR_getcpu 308 -#define __NR_epoll_pwait 309 -#define __NR_utimensat 310 -#define __NR_signalfd 311 -#define __NR_timerfd_create 312 -#define __NR_eventfd 313 -#define __NR_fallocate 314 -#define __NR_timerfd_settime 315 -#define __NR_timerfd_gettime 316 -#define __NR_signalfd4 317 -#define __NR_eventfd2 318 -#define __NR_epoll_create1 319 -#define __NR_dup3 320 -#define __NR_pipe2 321 -#define __NR_inotify_init1 322 - -#define NR_SYSCALLS 323 - -#ifdef __KERNEL__ -#define __ARCH_WANT_IPC_PARSE_VERSION -#define __ARCH_WANT_OLD_READDIR -#define __ARCH_WANT_STAT64 -#define __ARCH_WANT_SYS_ALARM -#define __ARCH_WANT_SYS_GETHOSTNAME -#define __ARCH_WANT_SYS_PAUSE -#define __ARCH_WANT_SYS_SGETMASK -#define __ARCH_WANT_SYS_SIGNAL -#define __ARCH_WANT_SYS_TIME -#define __ARCH_WANT_COMPAT_SYS_TIME -#define __ARCH_WANT_SYS_UTIME -#define __ARCH_WANT_SYS_WAITPID -#define __ARCH_WANT_SYS_SOCKETCALL -#define __ARCH_WANT_SYS_FADVISE64 -#define __ARCH_WANT_SYS_GETPGRP -#define __ARCH_WANT_SYS_LLSEEK -#define __ARCH_WANT_SYS_NICE -#define __ARCH_WANT_SYS_OLDUMOUNT -#define __ARCH_WANT_SYS_SIGPENDING -#define __ARCH_WANT_SYS_SIGPROCMASK -#define __ARCH_WANT_SYS_RT_SIGSUSPEND -#define __ARCH_WANT_COMPAT_SYS_RT_SIGSUSPEND - -/* - * "Conditional" syscalls - * - * What we want is __attribute__((weak,alias("sys_ni_syscall"))), - * but it doesn't work on all toolchains, so we just do it by hand - */ -#define cond_syscall(x) asm(".weak\t" #x "\n\t.set\t" #x ",sys_ni_syscall") - -#endif /* __KERNEL__ */ -#endif /* _SPARC64_UNISTD_H */ diff --git a/arch/sparc/include/asm/utrap.h b/arch/sparc/include/asm/utrap.h deleted file mode 100644 index b10e527c22d..00000000000 --- a/arch/sparc/include/asm/utrap.h +++ /dev/null @@ -1,51 +0,0 @@ -/* - * include/asm/utrap.h - * - * Copyright (C) 1997 Jakub Jelinek (jj@sunsite.mff.cuni.cz) - */ - -#ifndef __ASM_SPARC64_UTRAP_H -#define __ASM_SPARC64_UTRAP_H - -#define UT_INSTRUCTION_EXCEPTION 1 -#define UT_INSTRUCTION_ERROR 2 -#define UT_INSTRUCTION_PROTECTION 3 -#define UT_ILLTRAP_INSTRUCTION 4 -#define UT_ILLEGAL_INSTRUCTION 5 -#define UT_PRIVILEGED_OPCODE 6 -#define UT_FP_DISABLED 7 -#define UT_FP_EXCEPTION_IEEE_754 8 -#define UT_FP_EXCEPTION_OTHER 9 -#define UT_TAG_OVERVIEW 10 -#define UT_DIVISION_BY_ZERO 11 -#define UT_DATA_EXCEPTION 12 -#define UT_DATA_ERROR 13 -#define UT_DATA_PROTECTION 14 -#define UT_MEM_ADDRESS_NOT_ALIGNED 15 -#define UT_PRIVILEGED_ACTION 16 -#define UT_ASYNC_DATA_ERROR 17 -#define UT_TRAP_INSTRUCTION_16 18 -#define UT_TRAP_INSTRUCTION_17 19 -#define UT_TRAP_INSTRUCTION_18 20 -#define UT_TRAP_INSTRUCTION_19 21 -#define UT_TRAP_INSTRUCTION_20 22 -#define UT_TRAP_INSTRUCTION_21 23 -#define UT_TRAP_INSTRUCTION_22 24 -#define UT_TRAP_INSTRUCTION_23 25 -#define UT_TRAP_INSTRUCTION_24 26 -#define UT_TRAP_INSTRUCTION_25 27 -#define UT_TRAP_INSTRUCTION_26 28 -#define UT_TRAP_INSTRUCTION_27 29 -#define UT_TRAP_INSTRUCTION_28 30 -#define UT_TRAP_INSTRUCTION_29 31 -#define UT_TRAP_INSTRUCTION_30 32 -#define UT_TRAP_INSTRUCTION_31 33 - -#define UTH_NOCHANGE (-1) - -#ifndef __ASSEMBLY__ -typedef int utrap_entry_t; -typedef void *utrap_handler_t; -#endif /* __ASSEMBLY__ */ - -#endif /* !(__ASM_SPARC64_PROCESSOR_H) */ diff --git a/arch/sparc/include/asm/vac-ops.h b/arch/sparc/include/asm/vac-ops.h deleted file mode 100644 index d10527611f1..00000000000 --- a/arch/sparc/include/asm/vac-ops.h +++ /dev/null @@ -1,134 +0,0 @@ -#ifndef _SPARC_VAC_OPS_H -#define _SPARC_VAC_OPS_H - -/* vac-ops.h: Inline assembly routines to do operations on the Sparc - * VAC (virtual address cache) for the sun4c. - * - * Copyright (C) 1994, David S. Miller (davem@caip.rutgers.edu) - */ - -#include <asm/sysen.h> -#include <asm/contregs.h> -#include <asm/asi.h> - -/* The SUN4C models have a virtually addressed write-through - * cache. - * - * The cache tags are directly accessible through an ASI and - * each have the form: - * - * ------------------------------------------------------------ - * | MBZ | CONTEXT | WRITE | PRIV | VALID | MBZ | TagID | MBZ | - * ------------------------------------------------------------ - * 31 25 24 22 21 20 19 18 16 15 2 1 0 - * - * MBZ: These bits are either unused and/or reserved and should - * be written as zeroes. - * - * CONTEXT: Records the context to which this cache line belongs. - * - * WRITE: A copy of the writable bit from the mmu pte access bits. - * - * PRIV: A copy of the privileged bit from the pte access bits. - * - * VALID: If set, this line is valid, else invalid. - * - * TagID: Fourteen bits of tag ID. - * - * Every virtual address is seen by the cache like this: - * - * ---------------------------------------- - * | RESV | TagID | LINE | BYTE-in-LINE | - * ---------------------------------------- - * 31 30 29 16 15 4 3 0 - * - * RESV: Unused/reserved. - * - * TagID: Used to match the Tag-ID in that vac tags. - * - * LINE: Which line within the cache - * - * BYTE-in-LINE: Which byte within the cache line. - */ - -/* Sun4c VAC Tags */ -#define S4CVACTAG_CID 0x01c00000 -#define S4CVACTAG_W 0x00200000 -#define S4CVACTAG_P 0x00100000 -#define S4CVACTAG_V 0x00080000 -#define S4CVACTAG_TID 0x0000fffc - -/* Sun4c VAC Virtual Address */ -/* These aren't used, why bother? (Anton) */ -#if 0 -#define S4CVACVA_TID 0x3fff0000 -#define S4CVACVA_LINE 0x0000fff0 -#define S4CVACVA_BIL 0x0000000f -#endif - -/* The indexing of cache lines creates a problem. Because the line - * field of a virtual address extends past the page offset within - * the virtual address it is possible to have what are called - * 'bad aliases' which will create inconsistencies. So we must make - * sure that within a context that if a physical page is mapped - * more than once, that 'extra' line bits are the same. If this is - * not the case, and thus is a 'bad alias' we must turn off the - * cacheable bit in the pte's of all such pages. - */ - -#ifdef CONFIG_SUN4 -#define S4CVAC_BADBITS 0x0001e000 -#else -#define S4CVAC_BADBITS 0x0000f000 -#endif - -/* The following is true if vaddr1 and vaddr2 would cause - * a 'bad alias'. - */ -#define S4CVAC_BADALIAS(vaddr1, vaddr2) \ - ((((unsigned long) (vaddr1)) ^ ((unsigned long) (vaddr2))) & \ - (S4CVAC_BADBITS)) - -/* The following structure describes the characteristics of a sun4c - * VAC as probed from the prom during boot time. - */ -struct sun4c_vac_props { - unsigned int num_bytes; /* Size of the cache */ - unsigned int num_lines; /* Number of cache lines */ - unsigned int do_hwflushes; /* Hardware flushing available? */ - enum { VAC_NONE, VAC_WRITE_THROUGH, - VAC_WRITE_BACK } type; /* What type of VAC? */ - unsigned int linesize; /* Size of each line in bytes */ - unsigned int log2lsize; /* log2(linesize) */ - unsigned int on; /* VAC is enabled */ -}; - -extern struct sun4c_vac_props sun4c_vacinfo; - -/* sun4c_enable_vac() enables the sun4c virtual address cache. */ -static inline void sun4c_enable_vac(void) -{ - __asm__ __volatile__("lduba [%0] %1, %%g1\n\t" - "or %%g1, %2, %%g1\n\t" - "stba %%g1, [%0] %1\n\t" - : /* no outputs */ - : "r" ((unsigned int) AC_SENABLE), - "i" (ASI_CONTROL), "i" (SENABLE_CACHE) - : "g1", "memory"); - sun4c_vacinfo.on = 1; -} - -/* sun4c_disable_vac() disables the virtual address cache. */ -static inline void sun4c_disable_vac(void) -{ - __asm__ __volatile__("lduba [%0] %1, %%g1\n\t" - "andn %%g1, %2, %%g1\n\t" - "stba %%g1, [%0] %1\n\t" - : /* no outputs */ - : "r" ((unsigned int) AC_SENABLE), - "i" (ASI_CONTROL), "i" (SENABLE_CACHE) - : "g1", "memory"); - sun4c_vacinfo.on = 0; -} - -#endif /* !(_SPARC_VAC_OPS_H) */ diff --git a/arch/sparc/include/asm/vaddrs.h b/arch/sparc/include/asm/vaddrs.h index 541e13755ce..c3dbcf90203 100644 --- a/arch/sparc/include/asm/vaddrs.h +++ b/arch/sparc/include/asm/vaddrs.h @@ -30,26 +30,32 @@ */ #define SRMMU_NOCACHE_ALCRATIO 64 /* 256 pages per 64MB of system RAM */ +#ifndef __ASSEMBLY__ +#include <asm/kmap_types.h> + +enum fixed_addresses { + FIX_HOLE, +#ifdef CONFIG_HIGHMEM + FIX_KMAP_BEGIN, + FIX_KMAP_END = (KM_TYPE_NR * NR_CPUS), +#endif + __end_of_fixed_addresses +}; +#endif + +/* Leave one empty page between IO pages at 0xfd000000 and + * the top of the fixmap. + */ +#define FIXADDR_TOP (0xfcfff000UL) +#define FIXADDR_SIZE ((FIX_KMAP_END + 1) << PAGE_SHIFT) +#define FIXADDR_START (FIXADDR_TOP - FIXADDR_SIZE) + +#define __fix_to_virt(x) (FIXADDR_TOP - ((x) << PAGE_SHIFT)) + #define SUN4M_IOBASE_VADDR 0xfd000000 /* Base for mapping pages */ #define IOBASE_VADDR 0xfe000000 #define IOBASE_END 0xfe600000 -/* - * On the sun4/4c we need a place - * to reliably map locked down kernel data. This includes the - * task_struct and kernel stack pages of each process plus the - * scsi buffers during dvma IO transfers, also the floppy buffers - * during pseudo dma which runs with traps off (no faults allowed). - * Some quick calculations yield: - * NR_TASKS <512> * (3 * PAGE_SIZE) == 0x600000 - * Subtract this from 0xc00000 and you get 0x927C0 of vm left - * over to map SCSI dvma + floppy pseudo-dma buffers. So be - * careful if you change NR_TASKS or else there won't be enough - * room for it all. - */ -#define SUN4C_LOCK_VADDR 0xff000000 -#define SUN4C_LOCK_END 0xffc00000 - #define KADB_DEBUGGER_BEGVM 0xffc00000 /* Where kern debugger is in virt-mem */ #define KADB_DEBUGGER_ENDVM 0xffd00000 #define DEBUG_FIRSTVADDR KADB_DEBUGGER_BEGVM diff --git a/arch/sparc/include/asm/vfc_ioctls.h b/arch/sparc/include/asm/vfc_ioctls.h deleted file mode 100644 index af8b69007b2..00000000000 --- a/arch/sparc/include/asm/vfc_ioctls.h +++ /dev/null @@ -1,58 +0,0 @@ -/* Copyright (c) 1996 by Manish Vachharajani */ - -#ifndef _LINUX_VFC_IOCTLS_H_ -#define _LINUX_VFC_IOCTLS_H_ - - /* IOCTLs */ -#define VFC_IOCTL(a) (('j' << 8) | a) -#define VFCGCTRL (VFC_IOCTL (0)) /* get vfc attributes */ -#define VFCSCTRL (VFC_IOCTL (1)) /* set vfc attributes */ -#define VFCGVID (VFC_IOCTL (2)) /* get video decoder attributes */ -#define VFCSVID (VFC_IOCTL (3)) /* set video decoder attributes */ -#define VFCHUE (VFC_IOCTL (4)) /* set hue */ -#define VFCPORTCHG (VFC_IOCTL (5)) /* change port */ -#define VFCRDINFO (VFC_IOCTL (6)) /* read info */ - - /* Options for setting the vfc attributes and status */ -#define MEMPRST 0x1 /* reset FIFO ptr. */ -#define CAPTRCMD 0x2 /* start capture and wait */ -#define DIAGMODE 0x3 /* diag mode */ -#define NORMMODE 0x4 /* normal mode */ -#define CAPTRSTR 0x5 /* start capture */ -#define CAPTRWAIT 0x6 /* wait for capture to finish */ - - - /* Options for the decoder */ -#define STD_NTSC 0x1 /* NTSC mode */ -#define STD_PAL 0x2 /* PAL mode */ -#define COLOR_ON 0x3 /* force color ON */ -#define MONO 0x4 /* force color OFF */ - - /* Values returned by ioctl 2 */ - -#define NO_LOCK 1 -#define NTSC_COLOR 2 -#define NTSC_NOCOLOR 3 -#define PAL_COLOR 4 -#define PAL_NOCOLOR 5 - -/* Not too sure what this does yet */ - /* Options for setting Field number */ -#define ODD_FIELD 0x1 -#define EVEN_FIELD 0x0 -#define ACTIVE_ONLY 0x2 -#define NON_ACTIVE 0x0 - -/* Debug options */ -#define VFC_I2C_SEND 0 -#define VFC_I2C_RECV 1 - -struct vfc_debug_inout -{ - unsigned long addr; - unsigned long ret; - unsigned long len; - unsigned char __user *buffer; -}; - -#endif /* _LINUX_VFC_IOCTLS_H_ */ diff --git a/arch/sparc/include/asm/vga.h b/arch/sparc/include/asm/vga.h index c69d5b2ba19..ec0e9967d93 100644 --- a/arch/sparc/include/asm/vga.h +++ b/arch/sparc/include/asm/vga.h @@ -7,6 +7,7 @@ #ifndef _LINUX_ASM_VGA_H_ #define _LINUX_ASM_VGA_H_ +#include <linux/bug.h> #include <asm/types.h> #define VT_BUF_HAVE_RW diff --git a/arch/sparc/include/asm/vio.h b/arch/sparc/include/asm/vio.h index d4de32f0f8a..e0f6c399f1d 100644 --- a/arch/sparc/include/asm/vio.h +++ b/arch/sparc/include/asm/vio.h @@ -258,8 +258,6 @@ static inline void *vio_dring_entry(struct vio_dring_state *dr, static inline u32 vio_dring_avail(struct vio_dring_state *dr, unsigned int ring_size) { - BUILD_BUG_ON(!is_power_of_2(ring_size)); - return (dr->pending - ((dr->prod - dr->cons) & (ring_size - 1))); } @@ -286,6 +284,7 @@ struct vio_dev { }; struct vio_driver { + const char *name; struct list_head node; const struct vio_device_id *id_table; int (*probe)(struct vio_dev *dev, const struct vio_device_id *id); @@ -373,8 +372,14 @@ do { if (vio->debug & VIO_DEBUG_##TYPE) \ vio->vdev->channel_id, ## a); \ } while (0) -extern int vio_register_driver(struct vio_driver *drv); -extern void vio_unregister_driver(struct vio_driver *drv); +int __vio_register_driver(struct vio_driver *drv, struct module *owner, + const char *mod_name); +/* + * vio_register_driver must be a macro so that KBUILD_MODNAME can be expanded + */ +#define vio_register_driver(driver) \ + __vio_register_driver(driver, THIS_MODULE, KBUILD_MODNAME) +void vio_unregister_driver(struct vio_driver *drv); static inline struct vio_driver *to_vio_driver(struct device_driver *drv) { @@ -386,21 +391,21 @@ static inline struct vio_dev *to_vio_dev(struct device *dev) return container_of(dev, struct vio_dev, dev); } -extern int vio_ldc_send(struct vio_driver_state *vio, void *data, int len); -extern void vio_link_state_change(struct vio_driver_state *vio, int event); -extern void vio_conn_reset(struct vio_driver_state *vio); -extern int vio_control_pkt_engine(struct vio_driver_state *vio, void *pkt); -extern int vio_validate_sid(struct vio_driver_state *vio, - struct vio_msg_tag *tp); -extern u32 vio_send_sid(struct vio_driver_state *vio); -extern int vio_ldc_alloc(struct vio_driver_state *vio, - struct ldc_channel_config *base_cfg, void *event_arg); -extern void vio_ldc_free(struct vio_driver_state *vio); -extern int vio_driver_init(struct vio_driver_state *vio, struct vio_dev *vdev, - u8 dev_class, struct vio_version *ver_table, - int ver_table_size, struct vio_driver_ops *ops, - char *name); - -extern void vio_port_up(struct vio_driver_state *vio); +int vio_ldc_send(struct vio_driver_state *vio, void *data, int len); +void vio_link_state_change(struct vio_driver_state *vio, int event); +void vio_conn_reset(struct vio_driver_state *vio); +int vio_control_pkt_engine(struct vio_driver_state *vio, void *pkt); +int vio_validate_sid(struct vio_driver_state *vio, + struct vio_msg_tag *tp); +u32 vio_send_sid(struct vio_driver_state *vio); +int vio_ldc_alloc(struct vio_driver_state *vio, + struct ldc_channel_config *base_cfg, void *event_arg); +void vio_ldc_free(struct vio_driver_state *vio); +int vio_driver_init(struct vio_driver_state *vio, struct vio_dev *vdev, + u8 dev_class, struct vio_version *ver_table, + int ver_table_size, struct vio_driver_ops *ops, + char *name); + +void vio_port_up(struct vio_driver_state *vio); #endif /* _SPARC64_VIO_H */ diff --git a/arch/sparc/include/asm/visasm.h b/arch/sparc/include/asm/visasm.h index de797b9bf55..b2667375928 100644 --- a/arch/sparc/include/asm/visasm.h +++ b/arch/sparc/include/asm/visasm.h @@ -57,6 +57,8 @@ static inline void save_and_clear_fpu(void) { " " : : "i" (FPRS_FEF|FPRS_DU) : "o5", "g1", "g2", "g3", "g7", "cc"); } + +int vis_emul(struct pt_regs *, unsigned int); #endif #endif /* _SPARC64_ASI_H */ diff --git a/arch/sparc/include/asm/watchdog.h b/arch/sparc/include/asm/watchdog.h deleted file mode 100644 index 5baf2d3919c..00000000000 --- a/arch/sparc/include/asm/watchdog.h +++ /dev/null @@ -1,31 +0,0 @@ -/* - * - * watchdog - Driver interface for the hardware watchdog timers - * present on Sun Microsystems boardsets - * - * Copyright (c) 2000 Eric Brower <ebrower@usa.net> - * - */ - -#ifndef _SPARC64_WATCHDOG_H -#define _SPARC64_WATCHDOG_H - -#include <linux/watchdog.h> - -/* Solaris compatibility ioctls-- - * Ref. <linux/watchdog.h> for standard linux watchdog ioctls - */ -#define WIOCSTART _IO (WATCHDOG_IOCTL_BASE, 10) /* Start Timer */ -#define WIOCSTOP _IO (WATCHDOG_IOCTL_BASE, 11) /* Stop Timer */ -#define WIOCGSTAT _IOR(WATCHDOG_IOCTL_BASE, 12, int)/* Get Timer Status */ - -/* Status flags from WIOCGSTAT ioctl - */ -#define WD_FREERUN 0x01 /* timer is running, interrupts disabled */ -#define WD_EXPIRED 0x02 /* timer has expired */ -#define WD_RUNNING 0x04 /* timer is running, interrupts enabled */ -#define WD_STOPPED 0x08 /* timer has not been started */ -#define WD_SERVICED 0x10 /* timer interrupt was serviced */ - -#endif /* ifndef _SPARC64_WATCHDOG_H */ - diff --git a/arch/sparc/include/asm/winmacro.h b/arch/sparc/include/asm/winmacro.h index 5b0a06dc3bc..9b7b21764cd 100644 --- a/arch/sparc/include/asm/winmacro.h +++ b/arch/sparc/include/asm/winmacro.h @@ -103,28 +103,24 @@ st %scratch, [%cur_reg + TI_W_SAVED]; #ifdef CONFIG_SMP -#define LOAD_CURRENT4M(dest_reg, idreg) \ - rd %tbr, %idreg; \ - sethi %hi(current_set), %dest_reg; \ - srl %idreg, 10, %idreg; \ - or %dest_reg, %lo(current_set), %dest_reg; \ - and %idreg, 0xc, %idreg; \ - ld [%idreg + %dest_reg], %dest_reg; - -#define LOAD_CURRENT4D(dest_reg, idreg) \ - lda [%g0] ASI_M_VIKING_TMP1, %idreg; \ - sethi %hi(C_LABEL(current_set)), %dest_reg; \ - sll %idreg, 2, %idreg; \ - or %dest_reg, %lo(C_LABEL(current_set)), %dest_reg; \ - ld [%idreg + %dest_reg], %dest_reg; - -/* Blackbox - take care with this... - check smp4m and smp4d before changing this. */ -#define LOAD_CURRENT(dest_reg, idreg) \ - sethi %hi(___b_load_current), %idreg; \ - sethi %hi(current_set), %dest_reg; \ - sethi %hi(boot_cpu_id4), %idreg; \ - or %dest_reg, %lo(current_set), %dest_reg; \ - ldub [%idreg + %lo(boot_cpu_id4)], %idreg; \ +#define LOAD_CURRENT(dest_reg, idreg) \ +661: rd %tbr, %idreg; \ + srl %idreg, 10, %idreg; \ + and %idreg, 0xc, %idreg; \ + .section .cpuid_patch, "ax"; \ + /* Instruction location. */ \ + .word 661b; \ + /* SUN4D implementation. */ \ + lda [%g0] ASI_M_VIKING_TMP1, %idreg; \ + sll %idreg, 2, %idreg; \ + nop; \ + /* LEON implementation. */ \ + rd %asr17, %idreg; \ + srl %idreg, 0x1c, %idreg; \ + sll %idreg, 0x02, %idreg; \ + .previous; \ + sethi %hi(current_set), %dest_reg; \ + or %dest_reg, %lo(current_set), %dest_reg;\ ld [%idreg + %dest_reg], %dest_reg; #else #define LOAD_CURRENT(dest_reg, idreg) \ diff --git a/arch/sparc/include/asm/xor_64.h b/arch/sparc/include/asm/xor_64.h index bee4bf4be3a..50c88285603 100644 --- a/arch/sparc/include/asm/xor_64.h +++ b/arch/sparc/include/asm/xor_64.h @@ -20,13 +20,13 @@ #include <asm/spitfire.h> -extern void xor_vis_2(unsigned long, unsigned long *, unsigned long *); -extern void xor_vis_3(unsigned long, unsigned long *, unsigned long *, - unsigned long *); -extern void xor_vis_4(unsigned long, unsigned long *, unsigned long *, - unsigned long *, unsigned long *); -extern void xor_vis_5(unsigned long, unsigned long *, unsigned long *, - unsigned long *, unsigned long *, unsigned long *); +void xor_vis_2(unsigned long, unsigned long *, unsigned long *); +void xor_vis_3(unsigned long, unsigned long *, unsigned long *, + unsigned long *); +void xor_vis_4(unsigned long, unsigned long *, unsigned long *, + unsigned long *, unsigned long *); +void xor_vis_5(unsigned long, unsigned long *, unsigned long *, + unsigned long *, unsigned long *, unsigned long *); /* XXX Ugh, write cheetah versions... -DaveM */ @@ -38,13 +38,13 @@ static struct xor_block_template xor_block_VIS = { .do_5 = xor_vis_5, }; -extern void xor_niagara_2(unsigned long, unsigned long *, unsigned long *); -extern void xor_niagara_3(unsigned long, unsigned long *, unsigned long *, - unsigned long *); -extern void xor_niagara_4(unsigned long, unsigned long *, unsigned long *, - unsigned long *, unsigned long *); -extern void xor_niagara_5(unsigned long, unsigned long *, unsigned long *, - unsigned long *, unsigned long *, unsigned long *); +void xor_niagara_2(unsigned long, unsigned long *, unsigned long *); +void xor_niagara_3(unsigned long, unsigned long *, unsigned long *, + unsigned long *); +void xor_niagara_4(unsigned long, unsigned long *, unsigned long *, + unsigned long *, unsigned long *); +void xor_niagara_5(unsigned long, unsigned long *, unsigned long *, + unsigned long *, unsigned long *, unsigned long *); static struct xor_block_template xor_block_niagara = { .name = "Niagara", @@ -65,6 +65,9 @@ static struct xor_block_template xor_block_niagara = { #define XOR_SELECT_TEMPLATE(FASTEST) \ ((tlb_type == hypervisor && \ (sun4v_chip_type == SUN4V_CHIP_NIAGARA1 || \ - sun4v_chip_type == SUN4V_CHIP_NIAGARA2)) ? \ + sun4v_chip_type == SUN4V_CHIP_NIAGARA2 || \ + sun4v_chip_type == SUN4V_CHIP_NIAGARA3 || \ + sun4v_chip_type == SUN4V_CHIP_NIAGARA4 || \ + sun4v_chip_type == SUN4V_CHIP_NIAGARA5)) ? \ &xor_block_niagara : \ &xor_block_VIS) |