diff options
Diffstat (limited to 'arch/m68k/lib/string.c')
| -rw-r--r-- | arch/m68k/lib/string.c | 223 |
1 files changed, 0 insertions, 223 deletions
diff --git a/arch/m68k/lib/string.c b/arch/m68k/lib/string.c index d399c5f25636..b9a57abfad08 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); |
