#include "../string.c" #ifdef CONFIG_X86_32 void *memcpy(void *dest, const void *src, size_t n) { int d0, d1, d2; asm volatile( "rep ; movsl\n\t" "movl %4,%%ecx\n\t" "rep ; movsb\n\t" : "=&c" (d0), "=&D" (d1), "=&S" (d2) : "0" (n >> 2), "g" (n & 3), "1" (dest), "2" (src) : "memory"); return dest; } #else void *memcpy(void *dest, const void *src, size_t n) { long d0, d1, d2; asm volatile( "rep ; movsq\n\t" "movq %4,%%rcx\n\t" "rep ; movsb\n\t" : "=&c" (d0), "=&D" (d1), "=&S" (d2) : "0" (n >> 3), "g" (n & 7), "1" (dest), "2" (src) : "memory"); return dest; } #endif void *memset(void *s, int c, size_t n) { int i; char *ss = s; for (i = 0; i < n; i++) ss[i] = c; return s; }