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authorRussell King <rmk+kernel@arm.linux.org.uk>2011-05-25 23:41:21 (GMT)
committerRussell King <rmk+kernel@arm.linux.org.uk>2011-05-25 23:41:21 (GMT)
commitae1d3b974e091b5fc9008bd41bcbdaac68110b62 (patch)
tree82e50a66925ced79f59ed4504f6e073ef55edee3 /arch/m68k/lib/string.c
parent586893ebc42943008010b4c210cfc9167df615e5 (diff)
parent7a2207a0e1142a9b214b323e43ab2ecc592e5b0e (diff)
downloadlinux-fsl-qoriq-ae1d3b974e091b5fc9008bd41bcbdaac68110b62.tar.xz
Merge branch 'for-rmk' of git://github.com/at91linux/linux-2.6-at91 into devel-stable
Diffstat (limited to 'arch/m68k/lib/string.c')
-rw-r--r--arch/m68k/lib/string.c223
1 files changed, 0 insertions, 223 deletions
diff --git a/arch/m68k/lib/string.c b/arch/m68k/lib/string.c
index d399c5f..b9a57ab 100644
--- a/arch/m68k/lib/string.c
+++ b/arch/m68k/lib/string.c
@@ -20,226 +20,3 @@ char *strcat(char *dest, const char *src)
return __kernel_strcpy(dest + __kernel_strlen(dest), src);
}
EXPORT_SYMBOL(strcat);
-
-void *memset(void *s, int c, size_t count)
-{
- void *xs = s;
- size_t temp, temp1;
-
- if (!count)
- return xs;
- c &= 0xff;
- c |= c << 8;
- c |= c << 16;
- if ((long)s & 1) {
- char *cs = s;
- *cs++ = c;
- s = cs;
- count--;
- }
- if (count > 2 && (long)s & 2) {
- short *ss = s;
- *ss++ = c;
- s = ss;
- count -= 2;
- }
- temp = count >> 2;
- if (temp) {
- long *ls = s;
-
- asm volatile (
- " movel %1,%2\n"
- " andw #7,%2\n"
- " lsrl #3,%1\n"
- " negw %2\n"
- " jmp %%pc@(2f,%2:w:2)\n"
- "1: movel %3,%0@+\n"
- " movel %3,%0@+\n"
- " movel %3,%0@+\n"
- " movel %3,%0@+\n"
- " movel %3,%0@+\n"
- " movel %3,%0@+\n"
- " movel %3,%0@+\n"
- " movel %3,%0@+\n"
- "2: dbra %1,1b\n"
- " clrw %1\n"
- " subql #1,%1\n"
- " jpl 1b"
- : "=a" (ls), "=d" (temp), "=&d" (temp1)
- : "d" (c), "0" (ls), "1" (temp));
- s = ls;
- }
- if (count & 2) {
- short *ss = s;
- *ss++ = c;
- s = ss;
- }
- if (count & 1) {
- char *cs = s;
- *cs = c;
- }
- return xs;
-}
-EXPORT_SYMBOL(memset);
-
-void *memcpy(void *to, const void *from, size_t n)
-{
- void *xto = to;
- size_t temp, temp1;
-
- if (!n)
- return xto;
- if ((long)to & 1) {
- char *cto = to;
- const char *cfrom = from;
- *cto++ = *cfrom++;
- to = cto;
- from = cfrom;
- n--;
- }
- if (n > 2 && (long)to & 2) {
- short *sto = to;
- const short *sfrom = from;
- *sto++ = *sfrom++;
- to = sto;
- from = sfrom;
- n -= 2;
- }
- temp = n >> 2;
- if (temp) {
- long *lto = to;
- const long *lfrom = from;
-
- asm volatile (
- " movel %2,%3\n"
- " andw #7,%3\n"
- " lsrl #3,%2\n"
- " negw %3\n"
- " jmp %%pc@(1f,%3:w:2)\n"
- "4: movel %0@+,%1@+\n"
- " movel %0@+,%1@+\n"
- " movel %0@+,%1@+\n"
- " movel %0@+,%1@+\n"
- " movel %0@+,%1@+\n"
- " movel %0@+,%1@+\n"
- " movel %0@+,%1@+\n"
- " movel %0@+,%1@+\n"
- "1: dbra %2,4b\n"
- " clrw %2\n"
- " subql #1,%2\n"
- " jpl 4b"
- : "=a" (lfrom), "=a" (lto), "=d" (temp), "=&d" (temp1)
- : "0" (lfrom), "1" (lto), "2" (temp));
- to = lto;
- from = lfrom;
- }
- if (n & 2) {
- short *sto = to;
- const short *sfrom = from;
- *sto++ = *sfrom++;
- to = sto;
- from = sfrom;
- }
- if (n & 1) {
- char *cto = to;
- const char *cfrom = from;
- *cto = *cfrom;
- }
- 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);