vasilito
dc68054305
- Restore 29 recipe symlinks (libdrm, qtbase, dbus, sddm, pipewire, etc.) - Restore 33 patches (KDE, libdrm, mesa, pipewire, sddm, wireplumber) - Restore 20+ local/scripts (audit, lint, test, build helpers) - Restore src/cook/scheduler.rs, status.rs, gnu-config/ - Restore scripts/patch-inclusion-gate.sh, run_mini1.sh, validate-collision-log.sh - Recover TLC source from HEAD (was overwritten by 0.2.3 checkout) - Recover 11 local/docs plans from HEAD (were overwritten) - Recover qt6-wayland-smoke symlink from HEAD - Fix MOTD: remove garbled ASCII art, use clean text - Update version: 0.2.0 -> 0.2.4 in os-release, motd, config - Reduce filesystem_size: 1536 -> 512 MiB - Add ABSOLUTE RULE to AGENTS.md: never delete/ignore packages - Reduce pcid scheme log verbosity: info -> debug
108 lines
2.5 KiB
C
108 lines
2.5 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
|
|
#ifndef _ASM_X86_STRING_64_H
|
|
#define _ASM_X86_STRING_64_H
|
|
|
|
#ifdef __KERNEL__
|
|
#include <linux/jump_label.h>
|
|
|
|
/* Written 2002 by Andi Kleen */
|
|
|
|
/* Even with __builtin_ the compiler may decide to use the out of line
|
|
function. */
|
|
|
|
#if defined(__SANITIZE_MEMORY__) && defined(__NO_FORTIFY)
|
|
#include <linux/kmsan_string.h>
|
|
#endif
|
|
|
|
#define __HAVE_ARCH_MEMCPY 1
|
|
extern void *memcpy(void *to, const void *from, size_t len);
|
|
extern void *__memcpy(void *to, const void *from, size_t len);
|
|
|
|
#define __HAVE_ARCH_MEMSET
|
|
void *memset(void *s, int c, size_t n);
|
|
void *__memset(void *s, int c, size_t n);
|
|
KCFI_REFERENCE(__memset);
|
|
|
|
/*
|
|
* KMSAN needs to instrument as much code as possible. Use C versions of
|
|
* memsetXX() from lib/string.c under KMSAN.
|
|
*/
|
|
#if !defined(CONFIG_KMSAN)
|
|
#define __HAVE_ARCH_MEMSET16
|
|
static inline void *memset16(uint16_t *s, uint16_t v, size_t n)
|
|
{
|
|
const auto s0 = s;
|
|
asm volatile (
|
|
"rep stosw"
|
|
: "+D" (s), "+c" (n)
|
|
: "a" (v)
|
|
: "memory"
|
|
);
|
|
return s0;
|
|
}
|
|
|
|
#define __HAVE_ARCH_MEMSET32
|
|
static inline void *memset32(uint32_t *s, uint32_t v, size_t n)
|
|
{
|
|
const auto s0 = s;
|
|
asm volatile (
|
|
"rep stosl"
|
|
: "+D" (s), "+c" (n)
|
|
: "a" (v)
|
|
: "memory"
|
|
);
|
|
return s0;
|
|
}
|
|
|
|
#define __HAVE_ARCH_MEMSET64
|
|
static inline void *memset64(uint64_t *s, uint64_t v, size_t n)
|
|
{
|
|
const auto s0 = s;
|
|
asm volatile (
|
|
"rep stosq"
|
|
: "+D" (s), "+c" (n)
|
|
: "a" (v)
|
|
: "memory"
|
|
);
|
|
return s0;
|
|
}
|
|
#endif
|
|
|
|
#define __HAVE_ARCH_MEMMOVE
|
|
void *memmove(void *dest, const void *src, size_t count);
|
|
void *__memmove(void *dest, const void *src, size_t count);
|
|
KCFI_REFERENCE(__memmove);
|
|
|
|
int memcmp(const void *cs, const void *ct, size_t count);
|
|
size_t strlen(const char *s);
|
|
char *strcpy(char *dest, const char *src);
|
|
char *strcat(char *dest, const char *src);
|
|
int strcmp(const char *cs, const char *ct);
|
|
|
|
#ifdef CONFIG_ARCH_HAS_UACCESS_FLUSHCACHE
|
|
#define __HAVE_ARCH_MEMCPY_FLUSHCACHE 1
|
|
void __memcpy_flushcache(void *dst, const void *src, size_t cnt);
|
|
static __always_inline void memcpy_flushcache(void *dst, const void *src, size_t cnt)
|
|
{
|
|
if (__builtin_constant_p(cnt)) {
|
|
switch (cnt) {
|
|
case 4:
|
|
asm ("movntil %1, %0" : "=m"(*(u32 *)dst) : "r"(*(u32 *)src));
|
|
return;
|
|
case 8:
|
|
asm ("movntiq %1, %0" : "=m"(*(u64 *)dst) : "r"(*(u64 *)src));
|
|
return;
|
|
case 16:
|
|
asm ("movntiq %1, %0" : "=m"(*(u64 *)dst) : "r"(*(u64 *)src));
|
|
asm ("movntiq %1, %0" : "=m"(*(u64 *)(dst + 8)) : "r"(*(u64 *)(src + 8)));
|
|
return;
|
|
}
|
|
}
|
|
__memcpy_flushcache(dst, src, cnt);
|
|
}
|
|
#endif
|
|
|
|
#endif /* __KERNEL__ */
|
|
|
|
#endif /* _ASM_X86_STRING_64_H */
|