Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
1/* SPDX-License-Identifier: GPL-2.0 */
2#ifndef _ASM_X86_STRING_H
3#define _ASM_X86_STRING_H
4
5#ifdef CONFIG_X86_32
6# include <asm/string_32.h>
7#else
8# include <asm/string_64.h>
9#endif
10
11static __always_inline void *__inline_memcpy(void *to, const void *from, size_t len)
12{
13 void *ret = to;
14
15 asm volatile("rep movsb"
16 : "+D" (to), "+S" (from), "+c" (len)
17 : : "memory");
18 return ret;
19}
20
21static __always_inline void *__inline_memset(void *s, int v, size_t n)
22{
23 void *ret = s;
24
25 asm volatile("rep stosb"
26 : "+D" (s), "+c" (n)
27 : "a" ((uint8_t)v)
28 : "memory");
29 return ret;
30}
31
32#endif /* _ASM_X86_STRING_H */