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author | Len Brown <len.brown@intel.com> | 2009-01-09 08:39:43 (GMT) |
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committer | Len Brown <len.brown@intel.com> | 2009-01-09 08:39:43 (GMT) |
commit | b2576e1d4408e134e2188c967b1f28af39cd79d4 (patch) | |
tree | 004f3c82faab760f304ce031d6d2f572e7746a50 /include/asm-xtensa/string.h | |
parent | 3cc8a5f4ba91f67bbdb81a43a99281a26aab8d77 (diff) | |
parent | 2150edc6c5cf00f7adb54538b9ea2a3e9cedca3f (diff) | |
download | linux-fsl-qoriq-b2576e1d4408e134e2188c967b1f28af39cd79d4.tar.xz |
Merge branch 'linus' into release
Diffstat (limited to 'include/asm-xtensa/string.h')
-rw-r--r-- | include/asm-xtensa/string.h | 124 |
1 files changed, 0 insertions, 124 deletions
diff --git a/include/asm-xtensa/string.h b/include/asm-xtensa/string.h deleted file mode 100644 index 5fb8c27..0000000 --- a/include/asm-xtensa/string.h +++ /dev/null @@ -1,124 +0,0 @@ -/* - * include/asm-xtensa/string.h - * - * These trivial string functions are considered part of the public domain. - * - * 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. - */ - -/* We should optimize these. See arch/xtensa/lib/strncpy_user.S */ - -#ifndef _XTENSA_STRING_H -#define _XTENSA_STRING_H - -#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" - "l8ui %2, %1, 0\n\t" - "s8i %2, %0, 0\n\t" - "addi %1, %1, 1\n\t" - "addi %0, %0, 1\n\t" - "bnez %2, 1b\n\t" - : "=r" (__dest), "=r" (__src), "=&r" (__dummy) - : "0" (__dest), "1" (__src) - : "memory"); - - 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\t" - "l8ui %2, %1, 0\n\t" - "s8i %2, %0, 0\n\t" - "addi %1, %1, 1\n\t" - "addi %0, %0, 1\n\t" - "beqz %2, 2f\n\t" - "bne %1, %5, 1b\n" - "2:" - : "=r" (__dest), "=r" (__src), "=&r" (__dummy) - : "0" (__dest), "1" (__src), "r" (__src+__n) - : "memory"); - - return __xdest; -} - -#define __HAVE_ARCH_STRCMP -static inline int strcmp(const char *__cs, const char *__ct) -{ - register int __res; - unsigned long __dummy; - - __asm__ __volatile__( - "1:\n\t" - "l8ui %3, %1, 0\n\t" - "addi %1, %1, 1\n\t" - "l8ui %2, %0, 0\n\t" - "addi %0, %0, 1\n\t" - "beqz %2, 2f\n\t" - "beq %2, %3, 1b\n" - "2:\n\t" - "sub %2, %3, %2" - : "=r" (__cs), "=r" (__ct), "=&r" (__res), "=&r" (__dummy) - : "0" (__cs), "1" (__ct)); - - 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; - - __asm__ __volatile__( - "mov %2, %3\n" - "1:\n\t" - "beq %0, %6, 2f\n\t" - "l8ui %3, %1, 0\n\t" - "addi %1, %1, 1\n\t" - "l8ui %2, %0, 0\n\t" - "addi %0, %0, 1\n\t" - "beqz %2, 2f\n\t" - "beqz %3, 2f\n\t" - "beq %2, %3, 1b\n" - "2:\n\t" - "sub %2, %3, %2" - : "=r" (__cs), "=r" (__ct), "=&r" (__res), "=&r" (__dummy) - : "0" (__cs), "1" (__ct), "r" (__cs+__n)); - - 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); - -/* Don't build bcopy at all ... */ -#define __HAVE_ARCH_BCOPY - -#define __HAVE_ARCH_MEMSCAN -#define memscan memchr - -#endif /* _XTENSA_STRING_H */ |