5d7bdeb1ee
Implement the set of copy functions with guarantees of a clean cache upon completion necessary to support the pmem driver. Reviewed-by: Will Deacon <will.deacon@arm.com> Signed-off-by: Robin Murphy <robin.murphy@arm.com> Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
77 lines
2.3 KiB
C
77 lines
2.3 KiB
C
/*
|
|
* Copyright (C) 2013 ARM Ltd.
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License version 2 as
|
|
* published by the Free Software Foundation.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
#ifndef __ASM_STRING_H
|
|
#define __ASM_STRING_H
|
|
|
|
#define __HAVE_ARCH_STRRCHR
|
|
extern char *strrchr(const char *, int c);
|
|
|
|
#define __HAVE_ARCH_STRCHR
|
|
extern char *strchr(const char *, int c);
|
|
|
|
#define __HAVE_ARCH_STRCMP
|
|
extern int strcmp(const char *, const char *);
|
|
|
|
#define __HAVE_ARCH_STRNCMP
|
|
extern int strncmp(const char *, const char *, __kernel_size_t);
|
|
|
|
#define __HAVE_ARCH_STRLEN
|
|
extern __kernel_size_t strlen(const char *);
|
|
|
|
#define __HAVE_ARCH_STRNLEN
|
|
extern __kernel_size_t strnlen(const char *, __kernel_size_t);
|
|
|
|
#define __HAVE_ARCH_MEMCPY
|
|
extern void *memcpy(void *, const void *, __kernel_size_t);
|
|
extern void *__memcpy(void *, const void *, __kernel_size_t);
|
|
|
|
#define __HAVE_ARCH_MEMMOVE
|
|
extern void *memmove(void *, const void *, __kernel_size_t);
|
|
extern void *__memmove(void *, const void *, __kernel_size_t);
|
|
|
|
#define __HAVE_ARCH_MEMCHR
|
|
extern void *memchr(const void *, int, __kernel_size_t);
|
|
|
|
#define __HAVE_ARCH_MEMSET
|
|
extern void *memset(void *, int, __kernel_size_t);
|
|
extern void *__memset(void *, int, __kernel_size_t);
|
|
|
|
#define __HAVE_ARCH_MEMCMP
|
|
extern int memcmp(const void *, const void *, size_t);
|
|
|
|
#ifdef CONFIG_ARCH_HAS_UACCESS_FLUSHCACHE
|
|
#define __HAVE_ARCH_MEMCPY_FLUSHCACHE
|
|
void memcpy_flushcache(void *dst, const void *src, size_t cnt);
|
|
#endif
|
|
|
|
#if defined(CONFIG_KASAN) && !defined(__SANITIZE_ADDRESS__)
|
|
|
|
/*
|
|
* For files that are not instrumented (e.g. mm/slub.c) we
|
|
* should use not instrumented version of mem* functions.
|
|
*/
|
|
|
|
#define memcpy(dst, src, len) __memcpy(dst, src, len)
|
|
#define memmove(dst, src, len) __memmove(dst, src, len)
|
|
#define memset(s, c, n) __memset(s, c, n)
|
|
|
|
#ifndef __NO_FORTIFY
|
|
#define __NO_FORTIFY /* FORTIFY_SOURCE uses __builtin_memcpy, etc. */
|
|
#endif
|
|
|
|
#endif
|
|
|
|
#endif
|