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- --- a/arch/mips/include/asm/string.h
- +++ b/arch/mips/include/asm/string.h
- @@ -133,11 +133,44 @@ strncmp(__const__ char *__cs, __const__
-
- #define __HAVE_ARCH_MEMSET
- extern void *memset(void *__s, int __c, size_t __count);
- +#define memset(__s, __c, len) \
- +({ \
- + size_t __len = (len); \
- + void *__ret; \
- + if (__builtin_constant_p(len) && __len >= 64) \
- + __ret = memset((__s), (__c), __len); \
- + else \
- + __ret = __builtin_memset((__s), (__c), __len); \
- + __ret; \
- +})
-
- #define __HAVE_ARCH_MEMCPY
- extern void *memcpy(void *__to, __const__ void *__from, size_t __n);
- +#define memcpy(dst, src, len) \
- +({ \
- + size_t __len = (len); \
- + void *__ret; \
- + if (__builtin_constant_p(len) && __len >= 64) \
- + __ret = memcpy((dst), (src), __len); \
- + else \
- + __ret = __builtin_memcpy((dst), (src), __len); \
- + __ret; \
- +})
-
- #define __HAVE_ARCH_MEMMOVE
- extern void *memmove(void *__dest, __const__ void *__src, size_t __n);
- +#define memmove(dst, src, len) \
- +({ \
- + size_t __len = (len); \
- + void *__ret; \
- + if (__builtin_constant_p(len) && __len >= 64) \
- + __ret = memmove((dst), (src), __len); \
- + else \
- + __ret = __builtin_memmove((dst), (src), __len); \
- + __ret; \
- +})
- +
- +#define __HAVE_ARCH_MEMCMP
- +#define memcmp(src1, src2, len) __builtin_memcmp((src1), (src2), (len))
-
- #endif /* _ASM_STRING_H */
- --- a/arch/mips/lib/Makefile
- +++ b/arch/mips/lib/Makefile
- @@ -4,7 +4,7 @@
-
- lib-y += bitops.o csum_partial.o delay.o memcpy.o memset.o \
- mips-atomic.o strlen_user.o strncpy_user.o \
- - strnlen_user.o uncached.o
- + strnlen_user.o uncached.o memcmp.o
-
- obj-y += iomap.o
- obj-$(CONFIG_PCI) += iomap-pci.o
- --- /dev/null
- +++ b/arch/mips/lib/memcmp.c
- @@ -0,0 +1,22 @@
- +/*
- + * copied from linux/lib/string.c
- + *
- + * Copyright (C) 1991, 1992 Linus Torvalds
- + */
- +
- +#include <linux/module.h>
- +#include <linux/string.h>
- +
- +#undef memcmp
- +int memcmp(const void *cs, const void *ct, size_t count)
- +{
- + const unsigned char *su1, *su2;
- + int res = 0;
- +
- + for (su1 = cs, su2 = ct; 0 < count; ++su1, ++su2, count--)
- + if ((res = *su1 - *su2) != 0)
- + break;
- + return res;
- +}
- +EXPORT_SYMBOL(memcmp);
- +
|
