x86, boot: Move optimized memcpy() 32/64 bit versions to compressed/string.c

[linux-drm-fsl-dcu.git] / arch / x86 / boot / compressed / misc.c

diff --git a/arch/x86/boot/compressed/misc.c b/arch/x86/boot/compressed/misc.c
index 196eaf373a06ad89c11bc9133a5c97b0e5ebc6d9..3100092b13461e7b73bf201e95c12ce8e5fbb6b5 100644 (file)
--- a/arch/x86/boot/compressed/misc.c
+++ b/arch/x86/boot/compressed/misc.c
@@ -10,6 +10,7 @@
  */
 
 #include "misc.h"
+#include "../string.h"
 
 /* WARNING!!
  * This code is compiled with -fPIC and it is relocated dynamically
@@ -110,7 +111,6 @@ static void error(char *m);
 struct boot_params *real_mode;         /* Pointer to real-mode data */
 
 void *memset(void *s, int c, size_t n);
-void *memcpy(void *dest, const void *src, size_t n);
 
 memptr free_mem_ptr;
 memptr free_mem_end_ptr;
@@ -225,35 +225,6 @@ void *memset(void *s, int c, size_t n)
                ss[i] = c;
        return s;
 }
-#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
 
 static void error(char *x)
 {