| Macpaul Lin | 0b9b59a | 2011-10-11 22:33:15 +0000 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2011 Andes Technology Corporation |
| 3 | * Copyright (C) 2010 Shawn Lin (nobuhiro@andestech.com) |
| 4 | * Copyright (C) 2011 Macpaul Lin (macpaul@andestech.com) |
| 5 | * |
| 6 | * This file is subject to the terms and conditions of the GNU General Public |
| 7 | * License. See the file "COPYING" in the main directory of this archive |
| 8 | * for more details. |
| 9 | */ |
| 10 | |
| 11 | #ifndef __ASM_NDS_STRING_H |
| 12 | #define __ASM_NDS_STRING_H |
| 13 | |
| 14 | /* |
| 15 | * We don't do inline string functions, since the |
| 16 | * optimised inline asm versions are not small. |
| 17 | */ |
| 18 | |
| 19 | #undef __HAVE_ARCH_STRRCHR |
| 20 | extern char *strrchr(const char *s, int c); |
| 21 | |
| 22 | #undef __HAVE_ARCH_STRCHR |
| 23 | extern char *strchr(const char *s, int c); |
| 24 | |
| 25 | #undef __HAVE_ARCH_MEMCPY |
| 26 | extern void *memcpy(void *, const void *, __kernel_size_t); |
| 27 | |
| 28 | #undef __HAVE_ARCH_MEMMOVE |
| 29 | extern void *memmove(void *, const void *, __kernel_size_t); |
| 30 | |
| 31 | #undef __HAVE_ARCH_MEMCHR |
| 32 | extern void *memchr(const void *, int, __kernel_size_t); |
| 33 | |
| 34 | #undef __HAVE_ARCH_MEMZERO |
| 35 | #undef __HAVE_ARCH_MEMSET |
| 36 | extern void *memset(void *, int, __kernel_size_t); |
| 37 | |
| 38 | #ifdef CONFIG_MARCO_MEMSET |
| 39 | extern void __memzero(void *ptr, __kernel_size_t n); |
| 40 | |
| 41 | #define memset(p, v, n) \ |
| 42 | ({ \ |
| 43 | if ((n) != 0) { \ |
| 44 | if (__builtin_constant_p((v)) && (v) == 0) \ |
| 45 | __memzero((p), (n)); \ |
| 46 | else \ |
| 47 | memset((p), (v), (n)); \ |
| 48 | } \ |
| 49 | (p); \ |
| 50 | }) |
| 51 | |
| 52 | #define memzero(p, n) ({ if ((n) != 0) __memzero((p), (n)); (p); }) |
| 53 | #else |
| 54 | extern void memzero(void *ptr, __kernel_size_t n); |
| 55 | #endif |
| 56 | |
| 57 | #endif /* __ASM_NDS_STRING_H */ |