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author | Linus Torvalds <torvalds@linux-foundation.org> | 2008-01-29 00:52:50 +0300 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-01-29 00:52:50 +0300 |
commit | e189f3495c4e30fc84fc9241096edf3932e23439 (patch) | |
tree | 5916c89ace81537a02ae01869386ba6caafdab9c /include/asm-sh/string_32.h | |
parent | f4798748dee00c807a63f5518f08b3df161e0f6d (diff) | |
parent | 6582d7b7376aa587d74b08c74457dc28abc1a9fa (diff) | |
download | linux-e189f3495c4e30fc84fc9241096edf3932e23439.tar.xz |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6: (197 commits)
sh: add spi header and r2d platform data V3
sh: update r7780rp interrupt code
sh: remove consistent alloc stuff from the machine vector
sh: use declared coherent memory for dreamcast pci ethernet adapter
sh: declared coherent memory support V2
sh: Add support for SDK7780 board.
sh: constify function pointer tables
sh: Kill off -traditional for linker script.
cdrom: Add support for Sega Dreamcast GD-ROM.
sh: Kill off hs7751rvoip reference from arch/sh/Kconfig.
sh: Drop r7780rp_defconfig, use r7780mp_defconfig as kbuild default.
sh: Kill off dead HS771RVoIP board support.
sh: r7785rp: Fix up DECLARE_INTC_DESC() arg mismatch.
sh: r7785rp: Hook up the rest of the HL7785 FPGA IRQ vectors.
sh: r2d - enable sm501 usb host function
sh: remove voyagergx
sh: r2d - add lcd planel timings to sm501 platform data
sh: Add OHCI and UDC platform devices for SH7720.
sh: intc - remove default interrupt priority tables
sh: Correct pte size mismatch for X2 TLB.
...
Diffstat (limited to 'include/asm-sh/string_32.h')
-rw-r--r-- | include/asm-sh/string_32.h | 131 |
1 files changed, 131 insertions, 0 deletions
diff --git a/include/asm-sh/string_32.h b/include/asm-sh/string_32.h new file mode 100644 index 000000000000..55f8db6bc1d7 --- /dev/null +++ b/include/asm-sh/string_32.h @@ -0,0 +1,131 @@ +#ifndef __ASM_SH_STRING_H +#define __ASM_SH_STRING_H + +#ifdef __KERNEL__ + +/* + * Copyright (C) 1999 Niibe Yutaka + * But consider these trivial functions to be public domain. + */ + +#define __HAVE_ARCH_STRCPY +static inline char *strcpy(char *__dest, const char *__src) +{ + register char *__xdest = __dest; + unsigned long __dummy; + + __asm__ __volatile__("1:\n\t" + "mov.b @%1+, %2\n\t" + "mov.b %2, @%0\n\t" + "cmp/eq #0, %2\n\t" + "bf/s 1b\n\t" + " add #1, %0\n\t" + : "=r" (__dest), "=r" (__src), "=&z" (__dummy) + : "0" (__dest), "1" (__src) + : "memory", "t"); + + return __xdest; +} + +#define __HAVE_ARCH_STRNCPY +static inline char *strncpy(char *__dest, const char *__src, size_t __n) +{ + register char *__xdest = __dest; + unsigned long __dummy; + + if (__n == 0) + return __xdest; + + __asm__ __volatile__( + "1:\n" + "mov.b @%1+, %2\n\t" + "mov.b %2, @%0\n\t" + "cmp/eq #0, %2\n\t" + "bt/s 2f\n\t" + " cmp/eq %5,%1\n\t" + "bf/s 1b\n\t" + " add #1, %0\n" + "2:" + : "=r" (__dest), "=r" (__src), "=&z" (__dummy) + : "0" (__dest), "1" (__src), "r" (__src+__n) + : "memory", "t"); + + return __xdest; +} + +#define __HAVE_ARCH_STRCMP +static inline int strcmp(const char *__cs, const char *__ct) +{ + register int __res; + unsigned long __dummy; + + __asm__ __volatile__( + "mov.b @%1+, %3\n" + "1:\n\t" + "mov.b @%0+, %2\n\t" + "cmp/eq #0, %3\n\t" + "bt 2f\n\t" + "cmp/eq %2, %3\n\t" + "bt/s 1b\n\t" + " mov.b @%1+, %3\n\t" + "add #-2, %1\n\t" + "mov.b @%1, %3\n\t" + "sub %3, %2\n" + "2:" + : "=r" (__cs), "=r" (__ct), "=&r" (__res), "=&z" (__dummy) + : "0" (__cs), "1" (__ct) + : "t"); + + return __res; +} + +#define __HAVE_ARCH_STRNCMP +static inline int strncmp(const char *__cs, const char *__ct, size_t __n) +{ + register int __res; + unsigned long __dummy; + + if (__n == 0) + return 0; + + __asm__ __volatile__( + "mov.b @%1+, %3\n" + "1:\n\t" + "mov.b @%0+, %2\n\t" + "cmp/eq %6, %0\n\t" + "bt/s 2f\n\t" + " cmp/eq #0, %3\n\t" + "bt/s 3f\n\t" + " cmp/eq %3, %2\n\t" + "bt/s 1b\n\t" + " mov.b @%1+, %3\n\t" + "add #-2, %1\n\t" + "mov.b @%1, %3\n" + "2:\n\t" + "sub %3, %2\n" + "3:" + :"=r" (__cs), "=r" (__ct), "=&r" (__res), "=&z" (__dummy) + : "0" (__cs), "1" (__ct), "r" (__cs+__n) + : "t"); + + return __res; +} + +#define __HAVE_ARCH_MEMSET +extern void *memset(void *__s, int __c, size_t __count); + +#define __HAVE_ARCH_MEMCPY +extern void *memcpy(void *__to, __const__ void *__from, size_t __n); + +#define __HAVE_ARCH_MEMMOVE +extern void *memmove(void *__dest, __const__ void *__src, size_t __n); + +#define __HAVE_ARCH_MEMCHR +extern void *memchr(const void *__s, int __c, size_t __n); + +#define __HAVE_ARCH_STRLEN +extern size_t strlen(const char *); + +#endif /* __KERNEL__ */ + +#endif /* __ASM_SH_STRING_H */ |