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authorGreg Ungerer <gerg@uclinux.org>2011-03-28 16:44:28 +1000
committerGreg Ungerer <gerg@uclinux.org>2011-05-24 10:03:49 +1000
commit80160de89d0a7c9a93dfe91eef2b448cbc380cd0 (patch)
tree564588ca8caffc79cacf1ac7d89fd53a1efc3277 /arch/m68k/lib
parentb82ed87e67b081e55608b86b3e6f6f9036cedbd3 (diff)
m68k: remove duplicate memmove() implementation
Merging the mmu and non-mmu directories we ended up with duplicate (and identical) implementations of memmove(). Remove one of them. Signed-off-by: Greg Ungerer <gerg@uclinux.org> Acked-by: Geert Uytterhoeven <geert@linux-m68k.org>
Diffstat (limited to 'arch/m68k/lib')
-rw-r--r--arch/m68k/lib/Makefile4
-rw-r--r--arch/m68k/lib/memmove.c2
-rw-r--r--arch/m68k/lib/string.c95
3 files changed, 2 insertions, 99 deletions
diff --git a/arch/m68k/lib/Makefile b/arch/m68k/lib/Makefile
index 3d85fb6e6d3..ec479a9b9d7 100644
--- a/arch/m68k/lib/Makefile
+++ b/arch/m68k/lib/Makefile
@@ -3,12 +3,12 @@
# Makefile for m68k-specific library files..
#
-lib-y := ashldi3.o ashrdi3.o lshrdi3.o muldi3.o checksum.o
+lib-y := ashldi3.o ashrdi3.o lshrdi3.o muldi3.o memmove.o checksum.o
ifdef CONFIG_MMU
lib-y += string.o uaccess.o
else
lib-y += mulsi3.o divsi3.o udivsi3.o modsi3.o umodsi3.o \
- memcpy.o memmove.o memset.o delay.o
+ memcpy.o memset.o delay.o
endif
diff --git a/arch/m68k/lib/memmove.c b/arch/m68k/lib/memmove.c
index b3dcfe9dab7..6519f7f349f 100644
--- a/arch/m68k/lib/memmove.c
+++ b/arch/m68k/lib/memmove.c
@@ -4,8 +4,6 @@
* for more details.
*/
-#define __IN_STRING_C
-
#include <linux/module.h>
#include <linux/string.h>
diff --git a/arch/m68k/lib/string.c b/arch/m68k/lib/string.c
index d399c5f2563..711fa743e6b 100644
--- a/arch/m68k/lib/string.c
+++ b/arch/m68k/lib/string.c
@@ -148,98 +148,3 @@ void *memcpy(void *to, const void *from, size_t n)
return xto;
}
EXPORT_SYMBOL(memcpy);
-
-void *memmove(void *dest, const void *src, size_t n)
-{
- void *xdest = dest;
- size_t temp;
-
- if (!n)
- return xdest;
-
- if (dest < src) {
- if ((long)dest & 1) {
- char *cdest = dest;
- const char *csrc = src;
- *cdest++ = *csrc++;
- dest = cdest;
- src = csrc;
- n--;
- }
- if (n > 2 && (long)dest & 2) {
- short *sdest = dest;
- const short *ssrc = src;
- *sdest++ = *ssrc++;
- dest = sdest;
- src = ssrc;
- n -= 2;
- }
- temp = n >> 2;
- if (temp) {
- long *ldest = dest;
- const long *lsrc = src;
- temp--;
- do
- *ldest++ = *lsrc++;
- while (temp--);
- dest = ldest;
- src = lsrc;
- }
- if (n & 2) {
- short *sdest = dest;
- const short *ssrc = src;
- *sdest++ = *ssrc++;
- dest = sdest;
- src = ssrc;
- }
- if (n & 1) {
- char *cdest = dest;
- const char *csrc = src;
- *cdest = *csrc;
- }
- } else {
- dest = (char *)dest + n;
- src = (const char *)src + n;
- if ((long)dest & 1) {
- char *cdest = dest;
- const char *csrc = src;
- *--cdest = *--csrc;
- dest = cdest;
- src = csrc;
- n--;
- }
- if (n > 2 && (long)dest & 2) {
- short *sdest = dest;
- const short *ssrc = src;
- *--sdest = *--ssrc;
- dest = sdest;
- src = ssrc;
- n -= 2;
- }
- temp = n >> 2;
- if (temp) {
- long *ldest = dest;
- const long *lsrc = src;
- temp--;
- do
- *--ldest = *--lsrc;
- while (temp--);
- dest = ldest;
- src = lsrc;
- }
- if (n & 2) {
- short *sdest = dest;
- const short *ssrc = src;
- *--sdest = *--ssrc;
- dest = sdest;
- src = ssrc;
- }
- if (n & 1) {
- char *cdest = dest;
- const char *csrc = src;
- *--cdest = *--csrc;
- }
- }
- return xdest;
-}
-EXPORT_SYMBOL(memmove);