diff options
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 5fb8c27cbef5..000000000000 --- a/include/asm-xtensa/string.h +++ /dev/null | |||
| @@ -1,124 +0,0 @@ | |||
| 1 | /* | ||
| 2 | * include/asm-xtensa/string.h | ||
| 3 | * | ||
| 4 | * These trivial string functions are considered part of the public domain. | ||
| 5 | * | ||
| 6 | * This file is subject to the terms and conditions of the GNU General Public | ||
| 7 | * License. See the file "COPYING" in the main directory of this archive | ||
| 8 | * for more details. | ||
| 9 | * | ||
| 10 | * Copyright (C) 2001 - 2005 Tensilica Inc. | ||
| 11 | */ | ||
| 12 | |||
| 13 | /* We should optimize these. See arch/xtensa/lib/strncpy_user.S */ | ||
| 14 | |||
| 15 | #ifndef _XTENSA_STRING_H | ||
| 16 | #define _XTENSA_STRING_H | ||
| 17 | |||
| 18 | #define __HAVE_ARCH_STRCPY | ||
| 19 | static inline char *strcpy(char *__dest, const char *__src) | ||
| 20 | { | ||
| 21 | register char *__xdest = __dest; | ||
| 22 | unsigned long __dummy; | ||
| 23 | |||
| 24 | __asm__ __volatile__("1:\n\t" | ||
| 25 | "l8ui %2, %1, 0\n\t" | ||
| 26 | "s8i %2, %0, 0\n\t" | ||
| 27 | "addi %1, %1, 1\n\t" | ||
| 28 | "addi %0, %0, 1\n\t" | ||
| 29 | "bnez %2, 1b\n\t" | ||
| 30 | : "=r" (__dest), "=r" (__src), "=&r" (__dummy) | ||
| 31 | : "0" (__dest), "1" (__src) | ||
| 32 | : "memory"); | ||
| 33 | |||
| 34 | return __xdest; | ||
| 35 | } | ||
| 36 | |||
| 37 | #define __HAVE_ARCH_STRNCPY | ||
| 38 | static inline char *strncpy(char *__dest, const char *__src, size_t __n) | ||
| 39 | { | ||
| 40 | register char *__xdest = __dest; | ||
| 41 | unsigned long __dummy; | ||
| 42 | |||
| 43 | if (__n == 0) | ||
| 44 | return __xdest; | ||
| 45 | |||
| 46 | __asm__ __volatile__( | ||
| 47 | "1:\n\t" | ||
| 48 | "l8ui %2, %1, 0\n\t" | ||
| 49 | "s8i %2, %0, 0\n\t" | ||
| 50 | "addi %1, %1, 1\n\t" | ||
| 51 | "addi %0, %0, 1\n\t" | ||
| 52 | "beqz %2, 2f\n\t" | ||
| 53 | "bne %1, %5, 1b\n" | ||
| 54 | "2:" | ||
| 55 | : "=r" (__dest), "=r" (__src), "=&r" (__dummy) | ||
| 56 | : "0" (__dest), "1" (__src), "r" (__src+__n) | ||
| 57 | : "memory"); | ||
| 58 | |||
| 59 | return __xdest; | ||
| 60 | } | ||
| 61 | |||
| 62 | #define __HAVE_ARCH_STRCMP | ||
| 63 | static inline int strcmp(const char *__cs, const char *__ct) | ||
| 64 | { | ||
| 65 | register int __res; | ||
| 66 | unsigned long __dummy; | ||
| 67 | |||
| 68 | __asm__ __volatile__( | ||
| 69 | "1:\n\t" | ||
| 70 | "l8ui %3, %1, 0\n\t" | ||
| 71 | "addi %1, %1, 1\n\t" | ||
| 72 | "l8ui %2, %0, 0\n\t" | ||
| 73 | "addi %0, %0, 1\n\t" | ||
| 74 | "beqz %2, 2f\n\t" | ||
| 75 | "beq %2, %3, 1b\n" | ||
| 76 | "2:\n\t" | ||
| 77 | "sub %2, %3, %2" | ||
| 78 | : "=r" (__cs), "=r" (__ct), "=&r" (__res), "=&r" (__dummy) | ||
| 79 | : "0" (__cs), "1" (__ct)); | ||
| 80 | |||
| 81 | return __res; | ||
| 82 | } | ||
| 83 | |||
| 84 | #define __HAVE_ARCH_STRNCMP | ||
| 85 | static inline int strncmp(const char *__cs, const char *__ct, size_t __n) | ||
| 86 | { | ||
| 87 | register int __res; | ||
| 88 | unsigned long __dummy; | ||
| 89 | |||
| 90 | __asm__ __volatile__( | ||
| 91 | "mov %2, %3\n" | ||
| 92 | "1:\n\t" | ||
| 93 | "beq %0, %6, 2f\n\t" | ||
| 94 | "l8ui %3, %1, 0\n\t" | ||
| 95 | "addi %1, %1, 1\n\t" | ||
| 96 | "l8ui %2, %0, 0\n\t" | ||
| 97 | "addi %0, %0, 1\n\t" | ||
| 98 | "beqz %2, 2f\n\t" | ||
| 99 | "beqz %3, 2f\n\t" | ||
| 100 | "beq %2, %3, 1b\n" | ||
| 101 | "2:\n\t" | ||
| 102 | "sub %2, %3, %2" | ||
| 103 | : "=r" (__cs), "=r" (__ct), "=&r" (__res), "=&r" (__dummy) | ||
| 104 | : "0" (__cs), "1" (__ct), "r" (__cs+__n)); | ||
| 105 | |||
| 106 | return __res; | ||
| 107 | } | ||
| 108 | |||
| 109 | #define __HAVE_ARCH_MEMSET | ||
| 110 | extern void *memset(void *__s, int __c, size_t __count); | ||
| 111 | |||
| 112 | #define __HAVE_ARCH_MEMCPY | ||
| 113 | extern void *memcpy(void *__to, __const__ void *__from, size_t __n); | ||
| 114 | |||
| 115 | #define __HAVE_ARCH_MEMMOVE | ||
| 116 | extern void *memmove(void *__dest, __const__ void *__src, size_t __n); | ||
| 117 | |||
| 118 | /* Don't build bcopy at all ... */ | ||
| 119 | #define __HAVE_ARCH_BCOPY | ||
| 120 | |||
| 121 | #define __HAVE_ARCH_MEMSCAN | ||
| 122 | #define memscan memchr | ||
| 123 | |||
| 124 | #endif /* _XTENSA_STRING_H */ | ||