diff options
Diffstat (limited to 'include/asm-blackfin/string.h')
| -rw-r--r-- | include/asm-blackfin/string.h | 104 |
1 files changed, 0 insertions, 104 deletions
diff --git a/include/asm-blackfin/string.h b/include/asm-blackfin/string.h deleted file mode 100644 index 6f1eb7d6d3c..00000000000 --- a/include/asm-blackfin/string.h +++ /dev/null @@ -1,104 +0,0 @@ -#ifndef _BLACKFIN_STRING_H_ -#define _BLACKFIN_STRING_H_ - -#ifdef __KERNEL__ /* only set these up for kernel code */ - -#define __HAVE_ARCH_STRCPY -extern inline char *strcpy(char *dest, const char *src) -{ - char *xdest = dest; - char temp = 0; - - __asm__ __volatile__ - ("1:\t%2 = B [%1++] (Z);\n\t" - "B [%0++] = %2;\n\t" - "CC = %2;\n\t" - "if cc jump 1b (bp);\n" - : "+&a" (dest), "+&a" (src), "=&d" (temp) - ::"memory", "CC"); - return xdest; -} - -#define __HAVE_ARCH_STRNCPY -extern inline char *strncpy(char *dest, const char *src, size_t n) -{ - char *xdest = dest; - char temp = 0; - - if (n == 0) - return xdest; - - __asm__ __volatile__ - ("1:\t%3 = B [%1++] (Z);\n\t" - "B [%0++] = %3;\n\t" - "CC = %3;\n\t" - "if ! cc jump 2f;\n\t" - "%2 += -1;\n\t" - "CC = %2 == 0;\n\t" - "if ! cc jump 1b (bp);\n" - "2:\n" - : "+&a" (dest), "+&a" (src), "+&da" (n), "=&d" (temp) - ::"memory", "CC"); - return xdest; -} - -#define __HAVE_ARCH_STRCMP -extern inline int strcmp(const char *cs, const char *ct) -{ - char __res1, __res2; - - __asm__ - ("1:\t%2 = B[%0++] (Z);\n\t" /* get *cs */ - "%3 = B[%1++] (Z);\n\t" /* get *ct */ - "CC = %2 == %3;\n\t" /* compare a byte */ - "if ! cc jump 2f;\n\t" /* not equal, break out */ - "CC = %2;\n\t" /* at end of cs? */ - "if cc jump 1b (bp);\n\t" /* no, keep going */ - "jump.s 3f;\n" /* strings are equal */ - "2:\t%2 = %2 - %3;\n" /* *cs - *ct */ - "3:\n" - : "+&a" (cs), "+&a" (ct), "=&d" (__res1), "=&d" (__res2) - : : "CC"); - - return __res1; -} - -#define __HAVE_ARCH_STRNCMP -extern inline int strncmp(const char *cs, const char *ct, size_t count) -{ - char __res1, __res2; - - if (!count) - return 0; - __asm__ - ("1:\t%3 = B[%0++] (Z);\n\t" /* get *cs */ - "%4 = B[%1++] (Z);\n\t" /* get *ct */ - "CC = %3 == %4;\n\t" /* compare a byte */ - "if ! cc jump 3f;\n\t" /* not equal, break out */ - "CC = %3;\n\t" /* at end of cs? */ - "if ! cc jump 4f;\n\t" /* yes, all done */ - "%2 += -1;\n\t" /* no, adjust count */ - "CC = %2 == 0;\n\t" - "if ! cc jump 1b;\n" /* more to do, keep going */ - "2:\t%3 = 0;\n\t" /* strings are equal */ - "jump.s 4f;\n" - "3:\t%3 = %3 - %4;\n" /* *cs - *ct */ - "4:" - : "+&a" (cs), "+&a" (ct), "+&da" (count), "=&d" (__res1), "=&d" (__res2) - : : "CC"); - return __res1; -} - -#define __HAVE_ARCH_MEMSET -extern void *memset(void *s, int c, size_t count); -#define __HAVE_ARCH_MEMCPY -extern void *memcpy(void *d, const void *s, size_t count); -#define __HAVE_ARCH_MEMCMP -extern int memcmp(const void *, const void *, __kernel_size_t); -#define __HAVE_ARCH_MEMCHR -extern void *memchr(const void *s, int c, size_t n); -#define __HAVE_ARCH_MEMMOVE -extern void *memmove(void *dest, const void *src, size_t count); - -#endif /*__KERNEL__*/ -#endif /* _BLACKFIN_STRING_H_ */ |
