u-boot/arch/x86/include/asm/string.h
Heinrich Schuchardt 6b59607f10 x86: do not use i386 code for x86_64 memory functions
arch/x86/lib/string.c contains assembler implementations of memcpy(),
memmove(), and memset() written for i386. Don't use it on x86_64.

Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Signed-off-by: Alexander Graf <agraf@suse.de>
2019-02-13 09:40:06 +01:00

47 lines
1.1 KiB
C

#ifndef __ASM_I386_STRING_H
#define __ASM_I386_STRING_H
/*
* We don't do inline string functions, since the
* optimised inline asm versions are not small.
*/
#undef __HAVE_ARCH_STRNCPY
extern char *strncpy(char *__dest, __const__ char *__src, __kernel_size_t __n);
#undef __HAVE_ARCH_STRRCHR
extern char *strrchr(const char *s, int c);
#undef __HAVE_ARCH_STRCHR
extern char *strchr(const char *s, int c);
#ifdef CONFIG_X86_64
#undef __HAVE_ARCH_MEMCPY
extern void *memcpy(void *, const void *, __kernel_size_t);
#undef __HAVE_ARCH_MEMMOVE
extern void *memmove(void *, const void *, __kernel_size_t);
#undef __HAVE_ARCH_MEMSET
extern void *memset(void *, int, __kernel_size_t);
#else
#define __HAVE_ARCH_MEMCPY
extern void *memcpy(void *, const void *, __kernel_size_t);
#define __HAVE_ARCH_MEMMOVE
extern void *memmove(void *, const void *, __kernel_size_t);
#define __HAVE_ARCH_MEMSET
extern void *memset(void *, int, __kernel_size_t);
#endif /* CONFIG_X86_64 */
#undef __HAVE_ARCH_MEMCHR
extern void *memchr(const void *, int, __kernel_size_t);
#undef __HAVE_ARCH_MEMZERO
extern void memzero(void *ptr, __kernel_size_t n);
#endif