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ARC: String library

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Hand optimised asm code for ARC700 pipeline.
Originally written/optimized by Joern Rennecke

Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
Cc: Joern Rennecke <joern.rennecke@embecosm.com>
This commit is contained in:
Vineet Gupta
2013-01-18 15:12:18 +05:30
parent 6e35fa2d43
commit 5210d1e688
8 changed files with 661 additions and 0 deletions
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40
arch/arc/include/asm/string.h Normal file
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/*
* Copyright (C) 2004, 2007-2010, 2011-2012 Synopsys, Inc. (www.synopsys.com)
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
* vineetg: May 2011
* -We had half-optimised memset/memcpy, got better versions of those
* -Added memcmp, strchr, strcpy, strcmp, strlen
*
* Amit Bhor: Codito Technologies 2004
*/
#ifndef _ASM_ARC_STRING_H
#define _ASM_ARC_STRING_H
#include <linux/types.h>
#ifdef __KERNEL__
#define __HAVE_ARCH_MEMSET
#define __HAVE_ARCH_MEMCPY
#define __HAVE_ARCH_MEMCMP
#define __HAVE_ARCH_STRCHR
#define __HAVE_ARCH_STRCPY
#define __HAVE_ARCH_STRCMP
#define __HAVE_ARCH_STRLEN
extern void *memset(void *ptr, int, __kernel_size_t);
extern void *memcpy(void *, const void *, __kernel_size_t);
extern void memzero(void *ptr, __kernel_size_t n);
extern int memcmp(const void *, const void *, __kernel_size_t);
extern char *strchr(const char *s, int c);
extern char *strcpy(char *dest, const char *src);
extern int strcmp(const char *cs, const char *ct);
extern __kernel_size_t strlen(const char *);
#endif /* __KERNEL__ */
#endif /* _ASM_ARC_STRING_H */