diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/arch/i386/include/bits/string.h | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/src/arch/i386/include/bits/string.h b/src/arch/i386/include/bits/string.h index 3743d011e..6037d1315 100644 --- a/src/arch/i386/include/bits/string.h +++ b/src/arch/i386/include/bits/string.h @@ -18,6 +18,19 @@ * consider these trivial functions to be PD. */ +#define __HAVE_ARCH_MEMCPY +static inline void * memcpy(void *dest, const void *src, size_t n) +{ +int d0, d1, d2; +__asm__ __volatile__ ( + "cld\n\t" + "rep\n\t" + "movsb" + : "=&c" (d0), "=&S" (d1), "=&D" (d2) + :"0" (n), "1" (src), "2" (dest) + : "memory"); +return dest; +} #define __HAVE_ARCH_MEMMOVE static inline void * memmove(void * dest,const void * src, size_t n) |