#include <linux/config.h>
#include <linux/string.h>
+#include <linux/module.h>
#undef memcpy
#undef memset
-void * memcpy(void * to, const void * from, size_t n)
+void *memcpy(void *to, const void *from, size_t n)
{
#ifdef CONFIG_X86_USE_3DNOW
return __memcpy3d(to, from, n);
return __memcpy(to, from, n);
#endif
}
+EXPORT_SYMBOL(memcpy);
-void * memset(void * s, int c, size_t count)
+void *memset(void *s, int c, size_t count)
{
return __memset(s, c, count);
}
+EXPORT_SYMBOL(memset);
+
+void *memmove(void *dest, const void *src, size_t n)
+{
+ int d0, d1, d2;
+
+ if (dest < src) {
+ memcpy(dest,src,n);
+ } else {
+ __asm__ __volatile__(
+ "std\n\t"
+ "rep\n\t"
+ "movsb\n\t"
+ "cld"
+ : "=&c" (d0), "=&S" (d1), "=&D" (d2)
+ :"0" (n),
+ "1" (n-1+(const char *)src),
+ "2" (n-1+(char *)dest)
+ :"memory");
+ }
+ return dest;
+}
+EXPORT_SYMBOL(memmove);