diff options
| author | Catalin Marinas <catalin.marinas@arm.com> | 2013-03-21 16:16:43 +0000 |
|---|---|---|
| committer | Catalin Marinas <catalin.marinas@arm.com> | 2013-03-21 17:39:29 +0000 |
| commit | 4a8992271c843cb5bcd3321bf6a02eb251280b1d (patch) | |
| tree | 100bdf14109f0d6b6ac559db6f25a337daa4280c /arch/arm64/include | |
| parent | 792072066d30372772137be9ee2f4d72d77329f9 (diff) | |
| download | linux-4a8992271c843cb5bcd3321bf6a02eb251280b1d.tar.bz2 | |
arm64: klib: Optimised memory functions
This patch introduces AArch64-specific memory functions (memcpy,
memmove, memchr, memset). These functions are not optimised for any CPU
implementation but can be used as a starting point once hardware is
available.
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Diffstat (limited to 'arch/arm64/include')
| -rw-r--r-- | arch/arm64/include/asm/Kbuild | 1 | ||||
| -rw-r--r-- | arch/arm64/include/asm/string.h | 31 |
2 files changed, 31 insertions, 1 deletions
diff --git a/arch/arm64/include/asm/Kbuild b/arch/arm64/include/asm/Kbuild index e5fe4f99fe10..a13a4a493d56 100644 --- a/arch/arm64/include/asm/Kbuild +++ b/arch/arm64/include/asm/Kbuild @@ -39,7 +39,6 @@ generic-y += shmbuf.h generic-y += sizes.h generic-y += socket.h generic-y += sockios.h -generic-y += string.h generic-y += switch_to.h generic-y += swab.h generic-y += termbits.h diff --git a/arch/arm64/include/asm/string.h b/arch/arm64/include/asm/string.h new file mode 100644 index 000000000000..be8a644f306a --- /dev/null +++ b/arch/arm64/include/asm/string.h @@ -0,0 +1,31 @@ +/* + * 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_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_MEMCHR +extern void *memchr(const void *, int, __kernel_size_t); + +#define __HAVE_ARCH_MEMSET +extern void *memset(void *, int, __kernel_size_t); + +#endif |