mirror of
https://github.com/torvalds/linux.git
synced 2024-11-11 14:42:24 +00:00
caab277b1d
Based on 1 normalized pattern(s): 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 extracted by the scancode license scanner the SPDX license identifier GPL-2.0-only has been chosen to replace the boilerplate/reference in 503 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Alexios Zavras <alexios.zavras@intel.com> Reviewed-by: Allison Randal <allison@lohutok.net> Reviewed-by: Enrico Weigelt <info@metux.net> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190602204653.811534538@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
68 lines
1.2 KiB
ArmAsm
68 lines
1.2 KiB
ArmAsm
/* SPDX-License-Identifier: GPL-2.0-only */
|
|
/*
|
|
* Copyright (C) 2013 ARM Ltd.
|
|
* Copyright (C) 2013 Linaro.
|
|
*
|
|
* This code is based on glibc cortex strings work originally authored by Linaro
|
|
* be found @
|
|
*
|
|
* http://bazaar.launchpad.net/~linaro-toolchain-dev/cortex-strings/trunk/
|
|
* files/head:/src/aarch64/
|
|
*/
|
|
|
|
#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)
|