diff options
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/powerpc/boot/string.S | 13 | ||||
| -rw-r--r-- | arch/powerpc/boot/string.h | 1 |
2 files changed, 14 insertions, 0 deletions
diff --git a/arch/powerpc/boot/string.S b/arch/powerpc/boot/string.S index 2627558bcb7..643e4cb2f11 100644 --- a/arch/powerpc/boot/string.S +++ b/arch/powerpc/boot/string.S @@ -219,6 +219,19 @@ backwards_memcpy: mtctr r7 b 1b + .globl memchr +memchr: + cmpwi 0,r5,0 + blelr + mtctr r5 + addi r3,r3,-1 +1: lbzu r0,1(r3) + cmpw r0,r4 + beqlr + bdnz 1b + li r3,0 + blr + .globl memcmp memcmp: cmpwi 0,r5,0 diff --git a/arch/powerpc/boot/string.h b/arch/powerpc/boot/string.h index 4650030d104..50091cc0eed 100644 --- a/arch/powerpc/boot/string.h +++ b/arch/powerpc/boot/string.h @@ -14,6 +14,7 @@ extern size_t strnlen(const char *s, size_t count); extern void *memset(void *s, int c, size_t n); extern void *memmove(void *dest, const void *src, unsigned long n); extern void *memcpy(void *dest, const void *src, unsigned long n); +extern void *memchr(const void *s, int c, size_t n); extern int memcmp(const void *s1, const void *s2, size_t n); #endif /* _PPC_BOOT_STRING_H_ */ |