u-boot/arch/riscv/include/asm/string.h
Rick Chen 6020faf62c riscv: nx25: include: Add header files to support RISC-V
Add header files for RISC-V.
Cache, ptregs, data type and other definitions are included.

Signed-off-by: Rick Chen <rick@andestech.com>
Signed-off-by: Rick Chen <rickchen36@gmail.com>
Signed-off-by: Greentime Hu <green.hu@gmail.com>
2018-01-12 08:05:12 -05:00

43 lines
1.1 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_MEMCPY
#undef __HAVE_ARCH_MEMMOVE
#undef __HAVE_ARCH_MEMCHR
#undef __HAVE_ARCH_MEMZERO
#undef __HAVE_ARCH_MEMSET
#ifdef CONFIG_MARCO_MEMSET
#define memset(p, v, n) \
({ \
if ((n) != 0) { \
if (__builtin_constant_p((v)) && (v) == 0) \
__memzero((p), (n)); \
else \
memset((p), (v), (n)); \
} \
(p); \
})
#define memzero(p, n) ({ if ((n) != 0) __memzero((p), (n)); (p); })
#endif
#endif /* __ASM_RISCV_STRING_H */