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Diffstat (limited to 'arch/nds32/include/asm/string.h')
| -rw-r--r-- | arch/nds32/include/asm/string.h | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/arch/nds32/include/asm/string.h b/arch/nds32/include/asm/string.h new file mode 100644 index 0000000..610aa9e --- /dev/null +++ b/arch/nds32/include/asm/string.h @@ -0,0 +1,57 @@ +/* + * Copyright (C) 2011 Andes Technology Corporation + * Copyright (C) 2010 Shawn Lin (nobuhiro@andestech.com) + * Copyright (C) 2011 Macpaul Lin (macpaul@andestech.com) + * + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + */ + +#ifndef __ASM_NDS_STRING_H +#define __ASM_NDS_STRING_H + +/* + * We don't do inline string functions, since the + * optimised inline asm versions are not small. + */ + +#undef __HAVE_ARCH_STRRCHR +extern char *strrchr(const char *s, int c); + +#undef __HAVE_ARCH_STRCHR +extern char *strchr(const char *s, int c); + +#undef __HAVE_ARCH_MEMCPY +extern void *memcpy(void *, const void *, __kernel_size_t); + +#undef __HAVE_ARCH_MEMMOVE +extern void *memmove(void *, const void *, __kernel_size_t); + +#undef __HAVE_ARCH_MEMCHR +extern void *memchr(const void *, int, __kernel_size_t); + +#undef __HAVE_ARCH_MEMZERO +#undef __HAVE_ARCH_MEMSET +extern void *memset(void *, int, __kernel_size_t); + +#ifdef CONFIG_MARCO_MEMSET +extern void __memzero(void *ptr, __kernel_size_t n); + +#define memset(p, v, n) \ + ({ \ + if ((n) != 0) { \ + if (__builtin_constant_p((v)) && (v) == 0) \ + __memzero((p), (n)); \ + else \ + memset((p), (v), (n)); \ + } \ + (p); \ + }) + +#define memzero(p, n) ({ if ((n) != 0) __memzero((p), (n)); (p); }) +#else +extern void memzero(void *ptr, __kernel_size_t n); +#endif + +#endif /* __ASM_NDS_STRING_H */ |