u-boot/arch/riscv/include/asm/string.h
Yu Chien Peter Lin bc5a50452b riscv: Add Zbb support for building U-Boot
This patch adds ISA string to the -march to generate zbb instructions
for U-Boot binaries, along with optimized string functions introduced
from Linux kernel.

Signed-off-by: Yu Chien Peter Lin <peterlin@andestech.com>
Reviewed-by: Leo Yu-Chi Liang <ycliang@andestech.com>
2023-10-19 17:29:50 +08:00

61 lines
1.6 KiB
C

/*
* Copyright (C) 2011 Andes Technology Corporation
* Copyright (C) 2010 Shawn Lin (nobuhiro@andestech.com)
* Copyright (C) 2011 Macpaul Lin (macpaul@andestech.com)
* Copyright (C) 2017 Rick Chen (rick@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_RISCV_STRING_H
#define __ASM_RISCV_STRING_H
/*
* We don't do inline string functions, since the
* optimised inline asm versions are not small.
*/
#undef __HAVE_ARCH_STRRCHR
#undef __HAVE_ARCH_STRCHR
#undef __HAVE_ARCH_MEMCHR
#undef __HAVE_ARCH_MEMZERO
#undef __HAVE_ARCH_MEMCPY
#if CONFIG_IS_ENABLED(USE_ARCH_MEMCPY)
#define __HAVE_ARCH_MEMCPY
#endif
extern void *memcpy(void *, const void *, __kernel_size_t);
#undef __HAVE_ARCH_MEMMOVE
#if CONFIG_IS_ENABLED(USE_ARCH_MEMMOVE)
#define __HAVE_ARCH_MEMMOVE
#endif
extern void *memmove(void *, const void *, __kernel_size_t);
#undef __HAVE_ARCH_MEMZERO
#if CONFIG_IS_ENABLED(USE_ARCH_MEMSET)
#define __HAVE_ARCH_MEMSET
#endif
extern void *memset(void *, int, __kernel_size_t);
#undef __HAVE_ARCH_STRLEN
#if CONFIG_IS_ENABLED(USE_ARCH_STRLEN)
#define __HAVE_ARCH_STRLEN
#endif
extern __kernel_size_t strlen(const char *);
#undef __HAVE_ARCH_STRCMP
#if CONFIG_IS_ENABLED(USE_ARCH_STRCMP)
#define __HAVE_ARCH_STRCMP
#endif
extern int strcmp(const char *, const char *);
#undef __HAVE_ARCH_STRNCMP
#if CONFIG_IS_ENABLED(USE_ARCH_STRNCMP)
#define __HAVE_ARCH_STRNCMP
#endif
extern int strncmp(const char *, const char *, size_t __kernel_size_t);
#endif /* __ASM_RISCV_STRING_H */