diff options
Diffstat (limited to 'arch/mips/include/asm/mipsregs.h')
| -rw-r--r-- | arch/mips/include/asm/mipsregs.h | 258 |
1 files changed, 123 insertions, 135 deletions
diff --git a/arch/mips/include/asm/mipsregs.h b/arch/mips/include/asm/mipsregs.h index e0331414c7d..98e9754a4b6 100644 --- a/arch/mips/include/asm/mipsregs.h +++ b/arch/mips/include/asm/mipsregs.h @@ -14,6 +14,7 @@ #define _ASM_MIPSREGS_H #include <linux/linkage.h> +#include <linux/types.h> #include <asm/hazards.h> #include <asm/war.h> @@ -567,13 +568,27 @@ #define MIPS_CONF1_PC (_ULCAST_(1) << 4) #define MIPS_CONF1_MD (_ULCAST_(1) << 5) #define MIPS_CONF1_C2 (_ULCAST_(1) << 6) +#define MIPS_CONF1_DA_SHF 7 +#define MIPS_CONF1_DA_SZ 3 #define MIPS_CONF1_DA (_ULCAST_(7) << 7) +#define MIPS_CONF1_DL_SHF 10 +#define MIPS_CONF1_DL_SZ 3 #define MIPS_CONF1_DL (_ULCAST_(7) << 10) +#define MIPS_CONF1_DS_SHF 13 +#define MIPS_CONF1_DS_SZ 3 #define MIPS_CONF1_DS (_ULCAST_(7) << 13) +#define MIPS_CONF1_IA_SHF 16 +#define MIPS_CONF1_IA_SZ 3 #define MIPS_CONF1_IA (_ULCAST_(7) << 16) +#define MIPS_CONF1_IL_SHF 19 +#define MIPS_CONF1_IL_SZ 3 #define MIPS_CONF1_IL (_ULCAST_(7) << 19) +#define MIPS_CONF1_IS_SHF 22 +#define MIPS_CONF1_IS_SZ 3 #define MIPS_CONF1_IS (_ULCAST_(7) << 22) -#define MIPS_CONF1_TLBS (_ULCAST_(63)<< 25) +#define MIPS_CONF1_TLBS_SHIFT (25) +#define MIPS_CONF1_TLBS_SIZE (6) +#define MIPS_CONF1_TLBS (_ULCAST_(63) << MIPS_CONF1_TLBS_SHIFT) #define MIPS_CONF2_SA (_ULCAST_(15)<< 0) #define MIPS_CONF2_SL (_ULCAST_(15)<< 4) @@ -587,21 +602,53 @@ #define MIPS_CONF3_TL (_ULCAST_(1) << 0) #define MIPS_CONF3_SM (_ULCAST_(1) << 1) #define MIPS_CONF3_MT (_ULCAST_(1) << 2) +#define MIPS_CONF3_CDMM (_ULCAST_(1) << 3) #define MIPS_CONF3_SP (_ULCAST_(1) << 4) #define MIPS_CONF3_VINT (_ULCAST_(1) << 5) #define MIPS_CONF3_VEIC (_ULCAST_(1) << 6) #define MIPS_CONF3_LPA (_ULCAST_(1) << 7) +#define MIPS_CONF3_ITL (_ULCAST_(1) << 8) +#define MIPS_CONF3_CTXTC (_ULCAST_(1) << 9) #define MIPS_CONF3_DSP (_ULCAST_(1) << 10) #define MIPS_CONF3_DSP2P (_ULCAST_(1) << 11) #define MIPS_CONF3_RXI (_ULCAST_(1) << 12) #define MIPS_CONF3_ULRI (_ULCAST_(1) << 13) #define MIPS_CONF3_ISA (_ULCAST_(3) << 14) #define MIPS_CONF3_ISA_OE (_ULCAST_(1) << 16) +#define MIPS_CONF3_MCU (_ULCAST_(1) << 17) +#define MIPS_CONF3_MMAR (_ULCAST_(7) << 18) +#define MIPS_CONF3_IPLW (_ULCAST_(3) << 21) #define MIPS_CONF3_VZ (_ULCAST_(1) << 23) - +#define MIPS_CONF3_PW (_ULCAST_(1) << 24) +#define MIPS_CONF3_SC (_ULCAST_(1) << 25) +#define MIPS_CONF3_BI (_ULCAST_(1) << 26) +#define MIPS_CONF3_BP (_ULCAST_(1) << 27) +#define MIPS_CONF3_MSA (_ULCAST_(1) << 28) +#define MIPS_CONF3_CMGCR (_ULCAST_(1) << 29) +#define MIPS_CONF3_BPG (_ULCAST_(1) << 30) + +#define MIPS_CONF4_MMUSIZEEXT_SHIFT (0) #define MIPS_CONF4_MMUSIZEEXT (_ULCAST_(255) << 0) +#define MIPS_CONF4_FTLBSETS_SHIFT (0) +#define MIPS_CONF4_FTLBSETS_SHIFT (0) +#define MIPS_CONF4_FTLBSETS (_ULCAST_(15) << MIPS_CONF4_FTLBSETS_SHIFT) +#define MIPS_CONF4_FTLBWAYS_SHIFT (4) +#define MIPS_CONF4_FTLBWAYS (_ULCAST_(15) << MIPS_CONF4_FTLBWAYS_SHIFT) +#define MIPS_CONF4_FTLBPAGESIZE_SHIFT (8) +/* bits 10:8 in FTLB-only configurations */ +#define MIPS_CONF4_FTLBPAGESIZE (_ULCAST_(7) << MIPS_CONF4_FTLBPAGESIZE_SHIFT) +/* bits 12:8 in VTLB-FTLB only configurations */ +#define MIPS_CONF4_VFTLBPAGESIZE (_ULCAST_(31) << MIPS_CONF4_FTLBPAGESIZE_SHIFT) #define MIPS_CONF4_MMUEXTDEF (_ULCAST_(3) << 14) #define MIPS_CONF4_MMUEXTDEF_MMUSIZEEXT (_ULCAST_(1) << 14) +#define MIPS_CONF4_MMUEXTDEF_FTLBSIZEEXT (_ULCAST_(2) << 14) +#define MIPS_CONF4_MMUEXTDEF_VTLBSIZEEXT (_ULCAST_(3) << 14) +#define MIPS_CONF4_KSCREXIST (_ULCAST_(255) << 16) +#define MIPS_CONF4_VTLBSIZEEXT_SHIFT (24) +#define MIPS_CONF4_VTLBSIZEEXT (_ULCAST_(15) << MIPS_CONF4_VTLBSIZEEXT_SHIFT) +#define MIPS_CONF4_AE (_ULCAST_(1) << 28) +#define MIPS_CONF4_IE (_ULCAST_(3) << 29) +#define MIPS_CONF4_TLBINV (_ULCAST_(2) << 29) #define MIPS_CONF5_NF (_ULCAST_(1) << 0) #define MIPS_CONF5_UFR (_ULCAST_(1) << 2) @@ -611,11 +658,22 @@ #define MIPS_CONF5_K (_ULCAST_(1) << 30) #define MIPS_CONF6_SYND (_ULCAST_(1) << 13) +/* proAptiv FTLB on/off bit */ +#define MIPS_CONF6_FTLBEN (_ULCAST_(1) << 15) #define MIPS_CONF7_WII (_ULCAST_(1) << 31) #define MIPS_CONF7_RPS (_ULCAST_(1) << 2) +#define MIPS_CONF7_IAR (_ULCAST_(1) << 10) +#define MIPS_CONF7_AR (_ULCAST_(1) << 16) + +/* EntryHI bit definition */ +#define MIPS_ENTRYHI_EHINV (_ULCAST_(1) << 10) + +/* CMGCRBase bit definitions */ +#define MIPS_CMGCRB_BASE 11 +#define MIPS_CMGCRF_BASE (~_ULCAST_((1 << MIPS_CMGCRB_BASE) - 1)) /* * Bits in the MIPS32/64 coprocessor 1 (FPU) revision register. @@ -628,14 +686,41 @@ #define MIPS_FPIR_L (_ULCAST_(1) << 21) #define MIPS_FPIR_F64 (_ULCAST_(1) << 22) +/* + * Bits in the MIPS32 Memory Segmentation registers. + */ +#define MIPS_SEGCFG_PA_SHIFT 9 +#define MIPS_SEGCFG_PA (_ULCAST_(127) << MIPS_SEGCFG_PA_SHIFT) +#define MIPS_SEGCFG_AM_SHIFT 4 +#define MIPS_SEGCFG_AM (_ULCAST_(7) << MIPS_SEGCFG_AM_SHIFT) +#define MIPS_SEGCFG_EU_SHIFT 3 +#define MIPS_SEGCFG_EU (_ULCAST_(1) << MIPS_SEGCFG_EU_SHIFT) +#define MIPS_SEGCFG_C_SHIFT 0 +#define MIPS_SEGCFG_C (_ULCAST_(7) << MIPS_SEGCFG_C_SHIFT) + +#define MIPS_SEGCFG_UUSK _ULCAST_(7) +#define MIPS_SEGCFG_USK _ULCAST_(5) +#define MIPS_SEGCFG_MUSUK _ULCAST_(4) +#define MIPS_SEGCFG_MUSK _ULCAST_(3) +#define MIPS_SEGCFG_MSK _ULCAST_(2) +#define MIPS_SEGCFG_MK _ULCAST_(1) +#define MIPS_SEGCFG_UK _ULCAST_(0) + #ifndef __ASSEMBLY__ /* - * Macros for handling the ISA mode bit for microMIPS. + * Macros for handling the ISA mode bit for MIPS16 and microMIPS. */ +#if defined(CONFIG_SYS_SUPPORTS_MIPS16) || \ + defined(CONFIG_SYS_SUPPORTS_MICROMIPS) #define get_isa16_mode(x) ((x) & 0x1) #define msk_isa16_mode(x) ((x) & ~0x1) #define set_isa16_mode(x) do { (x) |= 0x1; } while(0) +#else +#define get_isa16_mode(x) 0 +#define msk_isa16_mode(x) (x) +#define set_isa16_mode(x) do { } while(0) +#endif /* * microMIPS instructions can be 16-bit or 32-bit in length. This @@ -649,6 +734,19 @@ static inline int mm_insn_16bit(u16 insn) } /* + * TLB Invalidate Flush + */ +static inline void tlbinvf(void) +{ + __asm__ __volatile__( + ".set push\n\t" + ".set noreorder\n\t" + ".word 0x42000004\n\t" /* tlbinvf */ + ".set pop"); +} + + +/* * Functions to access the R10000 performance counters. These are basically * mfc0 and mtc0 instructions from and to coprocessor register with a 5-bit * performance counter number encoded into bits 1 ... 5 of the instruction. @@ -916,19 +1014,8 @@ do { \ #define write_c0_compare3(val) __write_32bit_c0_register($11, 7, val) #define read_c0_status() __read_32bit_c0_register($12, 0) -#ifdef CONFIG_MIPS_MT_SMTC -#define write_c0_status(val) \ -do { \ - __write_32bit_c0_register($12, 0, val); \ - __ehb(); \ -} while (0) -#else -/* - * Legacy non-SMTC code, which may be hazardous - * but which might not support EHB - */ + #define write_c0_status(val) __write_32bit_c0_register($12, 0, val) -#endif /* CONFIG_MIPS_MT_SMTC */ #define read_c0_cause() __read_32bit_c0_register($13, 0) #define write_c0_cause(val) __write_32bit_c0_register($13, 0, val) @@ -938,6 +1025,8 @@ do { \ #define read_c0_prid() __read_32bit_c0_register($15, 0) +#define read_c0_cmgcrbase() __read_ulong_c0_register($15, 3) + #define read_c0_config() __read_32bit_c0_register($16, 0) #define read_c0_config1() __read_32bit_c0_register($16, 1) #define read_c0_config2() __read_32bit_c0_register($16, 2) @@ -1102,6 +1191,15 @@ do { \ #define read_c0_ebase() __read_32bit_c0_register($15, 1) #define write_c0_ebase(val) __write_32bit_c0_register($15, 1, val) +/* MIPSR3 */ +#define read_c0_segctl0() __read_32bit_c0_register($5, 2) +#define write_c0_segctl0(val) __write_32bit_c0_register($5, 2, val) + +#define read_c0_segctl1() __read_32bit_c0_register($5, 3) +#define write_c0_segctl1(val) __write_32bit_c0_register($5, 3, val) + +#define read_c0_segctl2() __read_32bit_c0_register($5, 4) +#define write_c0_segctl2(val) __write_32bit_c0_register($5, 4, val) /* Cavium OCTEON (cnMIPS) */ #define read_c0_cvmcount() __read_ulong_c0_register($9, 6) @@ -1641,11 +1739,6 @@ static inline void tlb_write_random(void) /* * Manipulate bits in a c0 register. */ -#ifndef CONFIG_MIPS_MT_SMTC -/* - * SMTC Linux requires shutting-down microthread scheduling - * during CP0 register read-modify-write sequences. - */ #define __BUILD_SET_C0(name) \ static inline unsigned int \ set_c0_##name(unsigned int set) \ @@ -1684,124 +1777,10 @@ change_c0_##name(unsigned int change, unsigned int val) \ return res; \ } -#else /* SMTC versions that manage MT scheduling */ - -#include <linux/irqflags.h> - -/* - * This is a duplicate of dmt() in mipsmtregs.h to avoid problems with - * header file recursion. - */ -static inline unsigned int __dmt(void) -{ - int res; - - __asm__ __volatile__( - " .set push \n" - " .set mips32r2 \n" - " .set noat \n" - " .word 0x41610BC1 # dmt $1 \n" - " ehb \n" - " move %0, $1 \n" - " .set pop \n" - : "=r" (res)); - - instruction_hazard(); - - return res; -} - -#define __VPECONTROL_TE_SHIFT 15 -#define __VPECONTROL_TE (1UL << __VPECONTROL_TE_SHIFT) - -#define __EMT_ENABLE __VPECONTROL_TE - -static inline void __emt(unsigned int previous) -{ - if ((previous & __EMT_ENABLE)) - __asm__ __volatile__( - " .set mips32r2 \n" - " .word 0x41600be1 # emt \n" - " ehb \n" - " .set mips0 \n"); -} - -static inline void __ehb(void) -{ - __asm__ __volatile__( - " .set mips32r2 \n" - " ehb \n" " .set mips0 \n"); -} - -/* - * Note that local_irq_save/restore affect TC-specific IXMT state, - * not Status.IE as in non-SMTC kernel. - */ - -#define __BUILD_SET_C0(name) \ -static inline unsigned int \ -set_c0_##name(unsigned int set) \ -{ \ - unsigned int res; \ - unsigned int new; \ - unsigned int omt; \ - unsigned long flags; \ - \ - local_irq_save(flags); \ - omt = __dmt(); \ - res = read_c0_##name(); \ - new = res | set; \ - write_c0_##name(new); \ - __emt(omt); \ - local_irq_restore(flags); \ - \ - return res; \ -} \ - \ -static inline unsigned int \ -clear_c0_##name(unsigned int clear) \ -{ \ - unsigned int res; \ - unsigned int new; \ - unsigned int omt; \ - unsigned long flags; \ - \ - local_irq_save(flags); \ - omt = __dmt(); \ - res = read_c0_##name(); \ - new = res & ~clear; \ - write_c0_##name(new); \ - __emt(omt); \ - local_irq_restore(flags); \ - \ - return res; \ -} \ - \ -static inline unsigned int \ -change_c0_##name(unsigned int change, unsigned int newbits) \ -{ \ - unsigned int res; \ - unsigned int new; \ - unsigned int omt; \ - unsigned long flags; \ - \ - local_irq_save(flags); \ - \ - omt = __dmt(); \ - res = read_c0_##name(); \ - new = res & ~change; \ - new |= (newbits & change); \ - write_c0_##name(new); \ - __emt(omt); \ - local_irq_restore(flags); \ - \ - return res; \ -} -#endif - __BUILD_SET_C0(status) __BUILD_SET_C0(cause) __BUILD_SET_C0(config) +__BUILD_SET_C0(config5) __BUILD_SET_C0(intcontrol) __BUILD_SET_C0(intctl) __BUILD_SET_C0(srsmap) @@ -1813,6 +1792,15 @@ __BUILD_SET_C0(brcm_cmt_ctrl) __BUILD_SET_C0(brcm_config) __BUILD_SET_C0(brcm_mode) +/* + * Return low 10 bits of ebase. + * Note that under KVM (MIPSVZ) this returns vcpu id. + */ +static inline unsigned int get_ebase_cpunum(void) +{ + return read_c0_ebase() & 0x3ff; +} + #endif /* !__ASSEMBLY__ */ #endif /* _ASM_MIPSREGS_H */ |