diff options
Diffstat (limited to 'arch/xtensa')
37 files changed, 171 insertions, 521 deletions
diff --git a/arch/xtensa/Kconfig b/arch/xtensa/Kconfig index 4816e44001f..cdcb48adee4 100644 --- a/arch/xtensa/Kconfig +++ b/arch/xtensa/Kconfig @@ -12,6 +12,8 @@ config XTENSA select GENERIC_IRQ_SHOW select GENERIC_CPU_DEVICES select MODULES_USE_ELF_RELA + select GENERIC_PCI_IOMAP + select ARCH_WANT_OPTIONAL_GPIOLIB help Xtensa processors are 32-bit RISC machines designed by Tensilica primarily for embedded systems. These processors are both @@ -36,7 +38,7 @@ config ARCH_HAS_ILOG2_U64 def_bool n config NO_IOPORT - def_bool y + def_bool n config HZ int @@ -143,6 +145,7 @@ config XTENSA_PLATFORM_XT2000 config XTENSA_PLATFORM_S6105 bool "S6105" select SERIAL_CONSOLE + select NO_IOPORT endchoice @@ -173,24 +176,6 @@ config CMDLINE source "mm/Kconfig" -config HOTPLUG - bool "Support for hot-pluggable devices" - help - Say Y here if you want to plug devices into your computer while - the system is running, and be able to use them quickly. In many - cases, the devices can likewise be unplugged at any time too. - - One well known example of this is PCMCIA- or PC-cards, credit-card - size devices such as network cards, modems or hard drives which are - plugged into slots found on all modern laptop computers. Another - example, used on modern desktops as well as laptops, is USB. - - Enable HOTPLUG and build a modular kernel. Get agent software - (from <http://linux-hotplug.sourceforge.net/>) and install it. - Then your kernel will automatically call out to a user mode "policy - agent" (/sbin/hotplug) to load modules and set up software needed - to use devices as you hotplug them. - source "drivers/pcmcia/Kconfig" source "drivers/pci/hotplug/Kconfig" @@ -224,23 +209,6 @@ source "drivers/Kconfig" source "fs/Kconfig" -menu "Xtensa initrd options" - depends on BLK_DEV_INITRD - -config EMBEDDED_RAMDISK - bool "Embed root filesystem ramdisk into the kernel" - -config EMBEDDED_RAMDISK_IMAGE - string "Filename of gzipped ramdisk image" - depends on EMBEDDED_RAMDISK - default "ramdisk.gz" - help - This is the filename of the ramdisk image to be built into the - kernel. Relative pathnames are relative to arch/xtensa/boot/ramdisk/. - The ramdisk image is not part of the kernel distribution; you must - provide one yourself. -endmenu - source "arch/xtensa/Kconfig.debug" source "security/Kconfig" diff --git a/arch/xtensa/Makefile b/arch/xtensa/Makefile index f973754ddf9..bb5ba61723f 100644 --- a/arch/xtensa/Makefile +++ b/arch/xtensa/Makefile @@ -21,6 +21,18 @@ variant-$(CONFIG_XTENSA_VARIANT_LINUX_CUSTOM) := custom VARIANT = $(variant-y) export VARIANT +# Test for cross compiling + +ifneq ($(VARIANT),) + COMPILE_ARCH = $(shell uname -m) + + ifneq ($(COMPILE_ARCH), xtensa) + ifndef CROSS_COMPILE + CROSS_COMPILE = xtensa_$(VARIANT)- + endif + endif +endif + # Platform configuration platform-$(CONFIG_XTENSA_PLATFORM_XT2000) := xt2000 @@ -31,7 +43,7 @@ PLATFORM = $(platform-y) export PLATFORM # temporarily until string.h is fixed -KBUILD_CFLAGS += -ffreestanding +KBUILD_CFLAGS += -ffreestanding -D__linux__ KBUILD_CFLAGS += -pipe -mlongcalls @@ -48,24 +60,6 @@ endif KBUILD_DEFCONFIG := iss_defconfig -# ramdisk/initrd support -# You need a compressed ramdisk image, named ramdisk.gz in -# arch/xtensa/boot/ramdisk - -core-$(CONFIG_EMBEDDED_RAMDISK) += arch/xtensa/boot/ramdisk/ - -# Test for cross compiling - -ifneq ($(VARIANT),) - COMPILE_ARCH = $(shell uname -m) - - ifneq ($(COMPILE_ARCH), xtensa) - ifndef CROSS_COMPILE - CROSS_COMPILE = xtensa_$(VARIANT)- - endif - endif -endif - # Only build variant and/or platform if it includes a Makefile buildvar := $(shell test -e $(srctree)/arch/xtensa/variants/$(VARIANT)/Makefile && echo arch/xtensa/variants/$(VARIANT)/) @@ -87,7 +81,7 @@ all: zImage bzImage : zImage -zImage zImage.initrd: vmlinux +zImage: vmlinux $(Q)$(MAKE) $(build)=$(boot) $@ define archhelp diff --git a/arch/xtensa/boot/Makefile b/arch/xtensa/boot/Makefile index 70fd1453e17..4018f899419 100644 --- a/arch/xtensa/boot/Makefile +++ b/arch/xtensa/boot/Makefile @@ -25,7 +25,7 @@ bootdir-$(CONFIG_XTENSA_PLATFORM_ISS) += boot-elf bootdir-$(CONFIG_XTENSA_PLATFORM_XT2000) += boot-redboot boot-elf -zImage zImage.initrd Image Image.initrd: $(bootdir-y) +zImage Image: $(bootdir-y) $(bootdir-y): $(addprefix $(obj)/,$(subdir-y)) \ $(addprefix $(obj)/,$(host-progs)) diff --git a/arch/xtensa/boot/boot-elf/Makefile b/arch/xtensa/boot/boot-elf/Makefile index 08e8814f8c7..f10992b8902 100644 --- a/arch/xtensa/boot/boot-elf/Makefile +++ b/arch/xtensa/boot/boot-elf/Makefile @@ -20,34 +20,18 @@ boot-y := bootstrap.o OBJS := $(addprefix $(obj)/,$(boot-y)) -Image: vmlinux $(OBJS) arch/$(ARCH)/boot/boot-elf/boot.lds +vmlinux.tmp: vmlinux $(OBJCOPY) --strip-all -R .comment -R .note.gnu.build-id -O binary \ - vmlinux vmlinux.tmp - $(OBJCOPY) $(OBJCOPY_ARGS) -R .comment \ - --add-section image=vmlinux.tmp \ - --set-section-flags image=contents,alloc,load,load,data \ - $(OBJS) $@.tmp - $(LD) $(LDFLAGS) $(LDFLAGS_vmlinux) \ - -T arch/$(ARCH)/boot/boot-elf/boot.lds \ - -o arch/$(ARCH)/boot/$@.elf $@.tmp - rm -f $@.tmp vmlinux.tmp + $^ $@ -Image.initrd: vmlinux $(OBJS) - $(OBJCOPY) --strip-all -R .comment -R .note.gnu.build-id -O binary \ - --add-section .initrd=arch/$(ARCH)/boot/ramdisk \ - --set-section-flags .initrd=contents,alloc,load,load,data \ - vmlinux vmlinux.tmp +Image: vmlinux.tmp $(OBJS) arch/$(ARCH)/boot/boot-elf/boot.lds $(OBJCOPY) $(OBJCOPY_ARGS) -R .comment \ --add-section image=vmlinux.tmp \ --set-section-flags image=contents,alloc,load,load,data \ $(OBJS) $@.tmp $(LD) $(LDFLAGS) $(LDFLAGS_vmlinux) \ - -T $(srctree)/arch/$(ARCH)/boot/boot-elf/boot.ld \ + -T arch/$(ARCH)/boot/boot-elf/boot.lds \ -o arch/$(ARCH)/boot/$@.elf $@.tmp - rm -f $@.tmp vmlinux.tmp - zImage: Image -zImage.initrd: Image.initrd - diff --git a/arch/xtensa/boot/boot-elf/boot.lds.S b/arch/xtensa/boot/boot-elf/boot.lds.S index 4e53b74dc44..7b646e0a648 100644 --- a/arch/xtensa/boot/boot-elf/boot.lds.S +++ b/arch/xtensa/boot/boot-elf/boot.lds.S @@ -33,13 +33,6 @@ SECTIONS __reloc_end = . ; - .initrd ALIGN(0x10) : - { - boot_initrd_start = . ; - *(.initrd) - boot_initrd_end = .; - } - . = ALIGN(0x10); __image_load = . ; .image 0xd0001000: diff --git a/arch/xtensa/boot/boot-redboot/Makefile b/arch/xtensa/boot/boot-redboot/Makefile index 872029b8443..25a78c6b153 100644 --- a/arch/xtensa/boot/boot-redboot/Makefile +++ b/arch/xtensa/boot/boot-redboot/Makefile @@ -21,15 +21,17 @@ LIBS := arch/xtensa/boot/lib/lib.a arch/xtensa/lib/lib.a LIBGCC := $(shell $(CC) $(KBUILD_CFLAGS) -print-libgcc-file-name) -zImage: vmlinux $(OBJS) $(LIBS) +vmlinux.tmp: vmlinux $(OBJCOPY) --strip-all -R .comment -R .note.gnu.build-id -O binary \ - vmlinux vmlinux.tmp - gzip -vf9 vmlinux.tmp + $^ $@ + +vmlinux.tmp.gz: vmlinux.tmp + $(GZIP) $(GZIP_FLAGS) $^ > $@ + +zImage: vmlinux.tmp.gz $(OBJS) $(LIBS) $(OBJCOPY) $(OBJCOPY_ARGS) -R .comment \ --add-section image=vmlinux.tmp.gz \ --set-section-flags image=contents,alloc,load,load,data \ $(OBJS) $@.tmp $(LD) $(LD_ARGS) -o $@.elf $@.tmp $(LIBS) -L/xtensa-elf/lib $(LIBGCC) $(OBJCOPY) -S -O binary $@.elf arch/$(ARCH)/boot/$@.redboot - rm -f $@.tmp $@.elf vmlinux.tmp.gz - diff --git a/arch/xtensa/boot/boot-redboot/boot.ld b/arch/xtensa/boot/boot-redboot/boot.ld index 774db20d11f..5bbcaf9e830 100644 --- a/arch/xtensa/boot/boot-redboot/boot.ld +++ b/arch/xtensa/boot/boot-redboot/boot.ld @@ -31,13 +31,6 @@ SECTIONS __reloc_end = . ; - .initrd ALIGN(0x10) : - { - boot_initrd_start = . ; - *(.initrd) - boot_initrd_end = .; - } - . = ALIGN(0x10); __image_load = . ; .image 0xd0001000: AT(__image_load) diff --git a/arch/xtensa/boot/boot-redboot/bootstrap.S b/arch/xtensa/boot/boot-redboot/bootstrap.S index 5582e8cfac8..4c316cd28a5 100644 --- a/arch/xtensa/boot/boot-redboot/bootstrap.S +++ b/arch/xtensa/boot/boot-redboot/bootstrap.S @@ -226,17 +226,7 @@ _reloc: isync - movi a5, __start - movi a3, boot_initrd_start - movi a4, boot_initrd_end - sub a3, a3, a5 - sub a4, a4, a5 - add a3, a0, a3 - add a4, a0, a4 - # a2 Boot parameter list - # a3 initrd_start (virtual load address) - # a4 initrd_end (virtual load address) movi a0, _image_start jx a0 diff --git a/arch/xtensa/boot/ramdisk/Makefile b/arch/xtensa/boot/ramdisk/Makefile deleted file mode 100644 index b12f7635243..00000000000 --- a/arch/xtensa/boot/ramdisk/Makefile +++ /dev/null @@ -1,23 +0,0 @@ -# -# Makefile for a ramdisk image -# - -BIG_ENDIAN := $(shell echo -e "\#ifdef __XTENSA_EL__\nint little;\n\#else\nint big;\n\#endif" | $(CC) -E -|grep -c big) - -ifeq ($(BIG_ENDIAN),1) -OBJCOPY_ARGS := -O elf32-xtensa-be -else -OBJCOPY_ARGS := -O elf32-xtensa-le -endif - -obj-y = ramdisk.o - -RAMDISK_IMAGE = arch/$(ARCH)/boot/ramdisk/$(CONFIG_EMBEDDED_RAMDISK_IMAGE) - -arch/$(ARCH)/boot/ramdisk/ramdisk.o: - $(Q)echo -e "dummy:" | $(AS) -o $@; - $(Q)$(OBJCOPY) $(OBJCOPY_ARGS) \ - --add-section .initrd=$(RAMDISK_IMAGE) \ - --set-section-flags .initrd=contents,alloc,load,load,data \ - arch/$(ARCH)/boot/ramdisk/ramdisk.o $@ - diff --git a/arch/xtensa/configs/s6105_defconfig b/arch/xtensa/configs/s6105_defconfig index 550e8ed5b5c..eaf1b8fc655 100644 --- a/arch/xtensa/configs/s6105_defconfig +++ b/arch/xtensa/configs/s6105_defconfig @@ -541,11 +541,6 @@ CONFIG_MSDOS_PARTITION=y # CONFIG_DLM is not set # -# Xtensa initrd options -# -# CONFIG_EMBEDDED_RAMDISK is not set - -# # Kernel hacking # CONFIG_PRINTK_TIME=y diff --git a/arch/xtensa/include/asm/Kbuild b/arch/xtensa/include/asm/Kbuild index c68e1680da0..fccd81eddff 100644 --- a/arch/xtensa/include/asm/Kbuild +++ b/arch/xtensa/include/asm/Kbuild @@ -1 +1,4 @@ include include/asm-generic/Kbuild.asm + +generic-y += clkdev.h +generic-y += exec.h diff --git a/arch/xtensa/include/asm/elf.h b/arch/xtensa/include/asm/elf.h index 6e65eadaae1..5293312bc6a 100644 --- a/arch/xtensa/include/asm/elf.h +++ b/arch/xtensa/include/asm/elf.h @@ -189,7 +189,8 @@ typedef struct { #endif } elf_xtregs_t; -#define SET_PERSONALITY(ex) set_personality(PER_LINUX_32BIT) +#define SET_PERSONALITY(ex) \ + set_personality(PER_LINUX_32BIT | (current->personality & (~PER_MASK))) struct task_struct; diff --git a/arch/xtensa/include/asm/exec.h b/arch/xtensa/include/asm/exec.h deleted file mode 100644 index af949e28cb3..00000000000 --- a/arch/xtensa/include/asm/exec.h +++ /dev/null @@ -1,14 +0,0 @@ -/* - * 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) 2001 - 2005 Tensilica Inc. - */ - -#ifndef _XTENSA_EXEC_H -#define _XTENSA_EXEC_H - -#define arch_align_stack(x) (x) - -#endif /* _XTENSA_EXEC_H */ diff --git a/arch/xtensa/include/asm/io.h b/arch/xtensa/include/asm/io.h index 4beb43c087d..e6be5b9091c 100644 --- a/arch/xtensa/include/asm/io.h +++ b/arch/xtensa/include/asm/io.h @@ -25,184 +25,54 @@ #define XCHAL_KIO_SIZE 0x10000000 #define IOADDR(x) (XCHAL_KIO_BYPASS_VADDR + (x)) +#define IO_SPACE_LIMIT ~0 +#ifdef CONFIG_MMU /* - * swap functions to change byte order from little-endian to big-endian and - * vice versa. - */ - -static inline unsigned short _swapw (unsigned short v) -{ - return (v << 8) | (v >> 8); -} - -static inline unsigned int _swapl (unsigned int v) -{ - return (v << 24) | ((v & 0xff00) << 8) | ((v >> 8) & 0xff00) | (v >> 24); -} - -/* - * Change virtual addresses to physical addresses and vv. - * These are trivial on the 1:1 Linux/Xtensa mapping - */ - -static inline unsigned long virt_to_phys(volatile void * address) -{ - return __pa(address); -} - -static inline void * phys_to_virt(unsigned long address) -{ - return __va(address); -} - -/* - * virt_to_bus and bus_to_virt are deprecated. - */ - -#define virt_to_bus(x) virt_to_phys(x) -#define bus_to_virt(x) phys_to_virt(x) - -/* - * Return the virtual (cached) address for the specified bus memory. + * Return the virtual address for the specified bus memory. * Note that we currently don't support any address outside the KIO segment. */ - -static inline void *ioremap(unsigned long offset, unsigned long size) +static inline void __iomem *ioremap_nocache(unsigned long offset, + unsigned long size) { -#ifdef CONFIG_MMU if (offset >= XCHAL_KIO_PADDR - && offset < XCHAL_KIO_PADDR + XCHAL_KIO_SIZE) + && offset - XCHAL_KIO_PADDR < XCHAL_KIO_SIZE) return (void*)(offset-XCHAL_KIO_PADDR+XCHAL_KIO_BYPASS_VADDR); else BUG(); -#else - return (void *)offset; -#endif } -static inline void *ioremap_nocache(unsigned long offset, unsigned long size) +static inline void __iomem *ioremap_cache(unsigned long offset, + unsigned long size) { -#ifdef CONFIG_MMU if (offset >= XCHAL_KIO_PADDR - && offset < XCHAL_KIO_PADDR + XCHAL_KIO_SIZE) + && offset - XCHAL_KIO_PADDR < XCHAL_KIO_SIZE) return (void*)(offset-XCHAL_KIO_PADDR+XCHAL_KIO_CACHED_VADDR); else BUG(); -#else - return (void *)offset; -#endif -} - -static inline void iounmap(void *addr) -{ } -/* - * Generic I/O - */ - -#define readb(addr) \ - ({ unsigned char __v = (*(volatile unsigned char *)(addr)); __v; }) -#define readw(addr) \ - ({ unsigned short __v = (*(volatile unsigned short *)(addr)); __v; }) -#define readl(addr) \ - ({ unsigned int __v = (*(volatile unsigned int *)(addr)); __v; }) -#define writeb(b, addr) (void)((*(volatile unsigned char *)(addr)) = (b)) -#define writew(b, addr) (void)((*(volatile unsigned short *)(addr)) = (b)) -#define writel(b, addr) (void)((*(volatile unsigned int *)(addr)) = (b)) +#define ioremap_wc ioremap_nocache -static inline __u8 __raw_readb(const volatile void __iomem *addr) -{ - return *(__force volatile __u8 *)(addr); -} -static inline __u16 __raw_readw(const volatile void __iomem *addr) -{ - return *(__force volatile __u16 *)(addr); -} -static inline __u32 __raw_readl(const volatile void __iomem *addr) +static inline void __iomem *ioremap(unsigned long offset, unsigned long size) { - return *(__force volatile __u32 *)(addr); + return ioremap_nocache(offset, size); } -static inline void __raw_writeb(__u8 b, volatile void __iomem *addr) -{ - *(__force volatile __u8 *)(addr) = b; -} -static inline void __raw_writew(__u16 b, volatile void __iomem *addr) -{ - *(__force volatile __u16 *)(addr) = b; -} -static inline void __raw_writel(__u32 b, volatile void __iomem *addr) + +static inline void iounmap(volatile void __iomem *addr) { - *(__force volatile __u32 *)(addr) = b; } - -/* These are the definitions for the x86 IO instructions - * inb/inw/inl/outb/outw/outl, the "string" versions - * insb/insw/insl/outsb/outsw/outsl, and the "pausing" versions - * inb_p/inw_p/... - * The macros don't do byte-swapping. - */ - -#define inb(port) readb((u8 *)((port))) -#define outb(val, port) writeb((val),(u8 *)((unsigned long)(port))) -#define inw(port) readw((u16 *)((port))) -#define outw(val, port) writew((val),(u16 *)((unsigned long)(port))) -#define inl(port) readl((u32 *)((port))) -#define outl(val, port) writel((val),(u32 *)((unsigned long)(port))) - -#define inb_p(port) inb((port)) -#define outb_p(val, port) outb((val), (port)) -#define inw_p(port) inw((port)) -#define outw_p(val, port) outw((val), (port)) -#define inl_p(port) inl((port)) -#define outl_p(val, port) outl((val), (port)) - -extern void insb (unsigned long port, void *dst, unsigned long count); -extern void insw (unsigned long port, void *dst, unsigned long count); -extern void insl (unsigned long port, void *dst, unsigned long count); -extern void outsb (unsigned long port, const void *src, unsigned long count); -extern void outsw (unsigned long port, const void *src, unsigned long count); -extern void outsl (unsigned long port, const void *src, unsigned long count); - -#define IO_SPACE_LIMIT ~0 - -#define memset_io(a,b,c) memset((void *)(a),(b),(c)) -#define memcpy_fromio(a,b,c) memcpy((a),(void *)(b),(c)) -#define memcpy_toio(a,b,c) memcpy((void *)(a),(b),(c)) - -/* At this point the Xtensa doesn't provide byte swap instructions */ - -#ifdef __XTENSA_EB__ -# define in_8(addr) (*(u8*)(addr)) -# define in_le16(addr) _swapw(*(u16*)(addr)) -# define in_le32(addr) _swapl(*(u32*)(addr)) -# define out_8(b, addr) *(u8*)(addr) = (b) -# define out_le16(b, addr) *(u16*)(addr) = _swapw(b) -# define out_le32(b, addr) *(u32*)(addr) = _swapl(b) -#elif defined(__XTENSA_EL__) -# define in_8(addr) (*(u8*)(addr)) -# define in_le16(addr) (*(u16*)(addr)) -# define in_le32(addr) (*(u32*)(addr)) -# define out_8(b, addr) *(u8*)(addr) = (b) -# define out_le16(b, addr) *(u16*)(addr) = (b) -# define out_le32(b, addr) *(u32*)(addr) = (b) -#else -# error processor byte order undefined! -#endif - - -/* - * Convert a physical pointer to a virtual kernel pointer for /dev/mem access - */ -#define xlate_dev_mem_ptr(p) __va(p) +#endif /* CONFIG_MMU */ /* - * Convert a virtual cached pointer to an uncached pointer + * Generic I/O */ -#define xlate_dev_kmem_ptr(p) p - +#define readb_relaxed readb +#define readw_relaxed readw +#define readl_relaxed readl #endif /* __KERNEL__ */ +#include <asm-generic/io.h> + #endif /* _XTENSA_IO_H */ diff --git a/arch/xtensa/include/asm/ioctls.h b/arch/xtensa/include/asm/ioctls.h index fd1d1369a40..2aa4cd9f0ce 100644 --- a/arch/xtensa/include/asm/ioctls.h +++ b/arch/xtensa/include/asm/ioctls.h @@ -71,8 +71,8 @@ #define TIOCSSOFTCAR _IOW('T', 26, unsigned int) #define TIOCLINUX _IOW('T', 28, char) #define TIOCCONS _IO('T', 29) -#define TIOCGSERIAL _IOR('T', 30, struct serial_struct) -#define TIOCSSERIAL _IOW('T', 31, struct serial_struct) +#define TIOCGSERIAL 0x803C541E /*_IOR('T', 30, struct serial_struct)*/ +#define TIOCSSERIAL 0x403C541F /*_IOW('T', 31, struct serial_struct)*/ #define TIOCPKT _IOW('T', 32, int) # define TIOCPKT_DATA 0 # define TIOCPKT_FLUSHREAD 1 diff --git a/arch/xtensa/include/asm/regs.h b/arch/xtensa/include/asm/regs.h index d4baed24692..a3075b12aff 100644 --- a/arch/xtensa/include/asm/regs.h +++ b/arch/xtensa/include/asm/regs.h @@ -66,7 +66,7 @@ #define ICOUNTLEVEL 237 #define EXCVADDR 238 #define CCOMPARE 240 -#define MISC 244 +#define MISC_SR 244 /* Special names for read-only and write-only interrupt registers. */ diff --git a/arch/xtensa/include/asm/thread_info.h b/arch/xtensa/include/asm/thread_info.h index 81abfd5d01a..9481004ac11 100644 --- a/arch/xtensa/include/asm/thread_info.h +++ b/arch/xtensa/include/asm/thread_info.h @@ -128,19 +128,14 @@ static inline struct thread_info *current_thread_info(void) #define TIF_SIGPENDING 1 /* signal pending */ #define TIF_NEED_RESCHED 2 /* rescheduling necessary */ #define TIF_SINGLESTEP 3 /* restore singlestep on return to user mode */ -#define TIF_IRET 4 /* return with iret */ #define TIF_MEMDIE 5 /* is terminating due to OOM killer */ #define TIF_RESTORE_SIGMASK 6 /* restore signal mask in do_signal() */ #define TIF_NOTIFY_RESUME 7 /* callback before returning to user */ -#define TIF_POLLING_NRFLAG 16 /* true if poll_idle() is polling TIF_NEED_RESCHED */ #define _TIF_SYSCALL_TRACE (1<<TIF_SYSCALL_TRACE) #define _TIF_SIGPENDING (1<<TIF_SIGPENDING) #define _TIF_NEED_RESCHED (1<<TIF_NEED_RESCHED) #define _TIF_SINGLESTEP (1<<TIF_SINGLESTEP) -#define _TIF_IRET (1<<TIF_IRET) -#define _TIF_POLLING_NRFLAG (1<<TIF_POLLING_NRFLAG) -#define _TIF_RESTORE_SIGMASK (1<<TIF_RESTORE_SIGMASK) #define _TIF_WORK_MASK 0x0000FFFE /* work to do on interrupt/exception return */ #define _TIF_ALLWORK_MASK 0x0000FFFF /* work to do on any return to u-space */ diff --git a/arch/xtensa/include/uapi/asm/Kbuild b/arch/xtensa/include/uapi/asm/Kbuild new file mode 100644 index 00000000000..baebb3da1d4 --- /dev/null +++ b/arch/xtensa/include/uapi/asm/Kbuild @@ -0,0 +1,3 @@ +# UAPI Header export list +include include/uapi/asm-generic/Kbuild.asm + diff --git a/arch/xtensa/kernel/Makefile b/arch/xtensa/kernel/Makefile index 59fc3fe1557..f36cef5a62f 100644 --- a/arch/xtensa/kernel/Makefile +++ b/arch/xtensa/kernel/Makefile @@ -6,7 +6,7 @@ extra-y := head.o vmlinux.lds obj-y := align.o entry.o irq.o coprocessor.o process.o ptrace.o \ setup.o signal.o syscall.o time.o traps.o vectors.o platform.o \ - pci-dma.o io.o + pci-dma.o obj-$(CONFIG_KGDB) += xtensa-stub.o obj-$(CONFIG_PCI) += pci.o @@ -24,6 +24,7 @@ obj-$(CONFIG_MODULES) += xtensa_ksyms.o module.o # Replicate rules in scripts/Makefile.build sed-y = -e 's/\*(\(\.[a-z]*it\|\.ref\|\)\.text)/*(\1.literal \1.text)/g' \ + -e 's/\.text\.unlikely/.literal.unlikely .text.unlikely/g' \ -e 's/\*(\(\.text\.[a-z]*\))/*(\1.literal \1)/g' quiet_cmd__cpp_lds_S = LDS $@ diff --git a/arch/xtensa/kernel/io.c b/arch/xtensa/kernel/io.c deleted file mode 100644 index 5b65269b1d2..00000000000 --- a/arch/xtensa/kernel/io.c +++ /dev/null @@ -1,75 +0,0 @@ -/* - * arch/xtensa/io.c - * - * IO primitives - * - * 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. - * - * Copied from sparc. - * - * Chris Zankel <chris@zankel.net> - * - */ - -#include <asm/io.h> -#include <asm/byteorder.h> - -void outsb(unsigned long addr, const void *src, unsigned long count) { - while (count) { - count -= 1; - writeb(*(const char *)src, addr); - src += 1; - addr += 1; - } -} - -void outsw(unsigned long addr, const void *src, unsigned long count) { - while (count) { - count -= 2; - writew(*(const short *)src, addr); - src += 2; - addr += 2; - } -} - -void outsl(unsigned long addr, const void *src, unsigned long count) { - while (count) { - count -= 4; - writel(*(const long *)src, addr); - src += 4; - addr += 4; - } -} - -void insb(unsigned long addr, void *dst, unsigned long count) { - while (count) { - count -= 1; - *(unsigned char *)dst = readb(addr); - dst += 1; - addr += 1; - } -} - -void insw(unsigned long addr, void *dst, unsigned long count) { - while (count) { - count -= 2; - *(unsigned short *)dst = readw(addr); - dst += 2; - addr += 2; - } -} - -void insl(unsigned long addr, void *dst, unsigned long count) { - while (count) { - count -= 4; - /* - * XXX I am sure we are in for an unaligned trap here. - */ - |