16020faf6SRick Chen /* 26020faf6SRick Chen * Copyright (C) 2011 Andes Technology Corporation 36020faf6SRick Chen * Copyright (C) 2010 Shawn Lin (nobuhiro@andestech.com) 46020faf6SRick Chen * Copyright (C) 2011 Macpaul Lin (macpaul@andestech.com) 56020faf6SRick Chen * Copyright (C) 2017 Rick Chen (rick@andestech.com) 66020faf6SRick Chen * 76020faf6SRick Chen * This file is subject to the terms and conditions of the GNU General Public 86020faf6SRick Chen * License. See the file "COPYING" in the main directory of this archive 96020faf6SRick Chen * for more details. 106020faf6SRick Chen */ 116020faf6SRick Chen 126020faf6SRick Chen #ifndef __ASM_RISCV_STRING_H 136020faf6SRick Chen #define __ASM_RISCV_STRING_H 146020faf6SRick Chen 156020faf6SRick Chen /* 166020faf6SRick Chen * We don't do inline string functions, since the 176020faf6SRick Chen * optimised inline asm versions are not small. 186020faf6SRick Chen */ 196020faf6SRick Chen 206020faf6SRick Chen #undef __HAVE_ARCH_STRRCHR 216020faf6SRick Chen #undef __HAVE_ARCH_STRCHR 226020faf6SRick Chen #undef __HAVE_ARCH_MEMCPY 236020faf6SRick Chen #undef __HAVE_ARCH_MEMMOVE 246020faf6SRick Chen #undef __HAVE_ARCH_MEMCHR 256020faf6SRick Chen #undef __HAVE_ARCH_MEMZERO 266020faf6SRick Chen #undef __HAVE_ARCH_MEMSET 276020faf6SRick Chen 286020faf6SRick Chen #ifdef CONFIG_MARCO_MEMSET 29*bc0818a6SRick Chen #define memset(_p, _v, _n) \ 30*bc0818a6SRick Chen (typeof(_p) (p) = (_p); \ 31*bc0818a6SRick Chen typeof(_v) (v) = (_v); \ 32*bc0818a6SRick Chen typeof(_n) (n) = (_n); \ 33*bc0818a6SRick Chen { \ 346020faf6SRick Chen if ((n) != 0) { \ 356020faf6SRick Chen if (__builtin_constant_p((v)) && (v) == 0) \ 366020faf6SRick Chen __memzero((p), (n)); \ 376020faf6SRick Chen else \ 386020faf6SRick Chen memset((p), (v), (n)); \ 396020faf6SRick Chen } \ 406020faf6SRick Chen (p); \ 416020faf6SRick Chen }) 426020faf6SRick Chen 43*bc0818a6SRick Chen #define memzero(_p, _n) \ 44*bc0818a6SRick Chen (typeof(_p) (p) = (_p); \ 45*bc0818a6SRick Chen typeof(_n) (n) = (_n); \ 46*bc0818a6SRick Chen { if ((n) != 0) __memzero((p), (n)); (p); }) 476020faf6SRick Chen #endif 486020faf6SRick Chen 496020faf6SRick Chen #endif /* __ASM_RISCV_STRING_H */ 50