2017-12-26 05:55:51 +00:00
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/*
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* Copyright (C) 2011 Andes Technology Corporation
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* Copyright (C) 2010 Shawn Lin (nobuhiro@andestech.com)
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* Copyright (C) 2011 Macpaul Lin (macpaul@andestech.com)
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* Copyright (C) 2017 Rick Chen (rick@andestech.com)
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*
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* This file is subject to the terms and conditions of the GNU General Public
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* License. See the file "COPYING" in the main directory of this archive
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* for more details.
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*/
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#ifndef __ASM_RISCV_STRING_H
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#define __ASM_RISCV_STRING_H
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/*
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* We don't do inline string functions, since the
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* optimised inline asm versions are not small.
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*/
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#undef __HAVE_ARCH_STRRCHR
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#undef __HAVE_ARCH_STRCHR
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#undef __HAVE_ARCH_MEMCPY
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#undef __HAVE_ARCH_MEMMOVE
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#undef __HAVE_ARCH_MEMCHR
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#undef __HAVE_ARCH_MEMZERO
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#undef __HAVE_ARCH_MEMSET
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#ifdef CONFIG_MARCO_MEMSET
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2018-02-12 03:07:58 +00:00
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#define memset(_p, _v, _n) \
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(typeof(_p) (p) = (_p); \
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typeof(_v) (v) = (_v); \
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typeof(_n) (n) = (_n); \
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{ \
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2017-12-26 05:55:51 +00:00
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if ((n) != 0) { \
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if (__builtin_constant_p((v)) && (v) == 0) \
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__memzero((p), (n)); \
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else \
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memset((p), (v), (n)); \
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} \
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(p); \
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})
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2018-02-12 03:07:58 +00:00
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#define memzero(_p, _n) \
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(typeof(_p) (p) = (_p); \
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typeof(_n) (n) = (_n); \
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{ if ((n) != 0) __memzero((p), (n)); (p); })
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2017-12-26 05:55:51 +00:00
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#endif
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#endif /* __ASM_RISCV_STRING_H */
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