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/*
* Copyright (C) 2013 ARM Ltd.
* Copyright (C) 2013 Linaro.
*
* This code is based on glibc cortex strings work originally authored by Linaro
* and re-licensed under GPLv2 for the Linux kernel. The original code can
* be found @
*
* http://bazaar.launchpad.net/~linaro-toolchain-dev/cortex-strings/trunk/
* files/head:/src/aarch64/
*
* 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/>.
*/
#include <linux/linkage.h>
#include <asm/assembler.h>
#include <asm/cache.h>
/*
* Copy a buffer from src to dest (alignment handled by the hardware)
*
* Parameters:
* x0 - dest
* x1 - src
* x2 - n
* Returns:
* x0 - dest
*/
.macro ldrb1 ptr, regB, val
ldrb \ptr, [\regB], \val
.endm
.macro strb1 ptr, regB, val
strb \ptr, [\regB], \val
.endm
.macro ldrh1 ptr, regB, val
ldrh \ptr, [\regB], \val
.endm
.macro strh1 ptr, regB, val
strh \ptr, [\regB], \val
.endm
.macro ldr1 ptr, regB, val
ldr \ptr, [\regB], \val
.endm
.macro str1 ptr, regB, val
str \ptr, [\regB], \val
.endm
.macro ldp1 ptr, regB, regC, val
ldp \ptr, \regB, [\regC], \val
.endm
.macro stp1 ptr, regB, regC, val
stp \ptr, \regB, [\regC], \val
.endm
.weak memcpy
ENTRY(__memcpy)
ENTRY(memcpy)
#include "copy_template.S"
ret
ENDPIPROC(memcpy)
EXPORT_SYMBOL(memcpy)
ENDPROC(__memcpy)
EXPORT_SYMBOL(__memcpy)
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