2019-06-03 13:44:50 +08:00
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/* SPDX-License-Identifier: GPL-2.0-only */
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2013-03-22 00:16:43 +08:00
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/*
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* Copyright (C) 2013 ARM Ltd.
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2014-04-28 13:11:29 +08:00
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* Copyright (C) 2013 Linaro.
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*
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* This code is based on glibc cortex strings work originally authored by Linaro
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* be found @
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*
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* http://bazaar.launchpad.net/~linaro-toolchain-dev/cortex-strings/trunk/
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* files/head:/src/aarch64/
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2013-03-22 00:16:43 +08:00
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*/
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#include <linux/linkage.h>
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#include <asm/assembler.h>
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2014-04-28 13:11:29 +08:00
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#include <asm/cache.h>
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2013-03-22 00:16:43 +08:00
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/*
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* Copy a buffer from src to dest (alignment handled by the hardware)
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*
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* Parameters:
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* x0 - dest
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* x1 - src
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* x2 - n
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* Returns:
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* x0 - dest
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*/
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2015-09-24 02:55:38 +08:00
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.macro ldrb1 ptr, regB, val
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ldrb \ptr, [\regB], \val
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.endm
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2014-04-28 13:11:29 +08:00
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2015-09-24 02:55:38 +08:00
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.macro strb1 ptr, regB, val
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strb \ptr, [\regB], \val
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.endm
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2014-04-28 13:11:29 +08:00
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2015-09-24 02:55:38 +08:00
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.macro ldrh1 ptr, regB, val
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ldrh \ptr, [\regB], \val
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.endm
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2014-04-28 13:11:29 +08:00
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2015-09-24 02:55:38 +08:00
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.macro strh1 ptr, regB, val
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strh \ptr, [\regB], \val
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.endm
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2014-04-28 13:11:29 +08:00
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2015-09-24 02:55:38 +08:00
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.macro ldr1 ptr, regB, val
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ldr \ptr, [\regB], \val
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.endm
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2014-04-28 13:11:29 +08:00
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2015-09-24 02:55:38 +08:00
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.macro str1 ptr, regB, val
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str \ptr, [\regB], \val
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.endm
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2014-04-28 13:11:29 +08:00
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2015-09-24 02:55:38 +08:00
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.macro ldp1 ptr, regB, regC, val
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ldp \ptr, \regB, [\regC], \val
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.endm
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2014-04-28 13:11:29 +08:00
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2015-09-24 02:55:38 +08:00
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.macro stp1 ptr, regB, regC, val
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stp \ptr, \regB, [\regC], \val
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.endm
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2014-04-28 13:11:29 +08:00
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2015-10-12 23:52:58 +08:00
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.weak memcpy
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ENTRY(__memcpy)
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2015-09-24 02:55:38 +08:00
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ENTRY(memcpy)
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#include "copy_template.S"
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2014-04-28 13:11:29 +08:00
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ret
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2015-10-09 03:02:03 +08:00
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ENDPIPROC(memcpy)
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2018-12-08 02:08:21 +08:00
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EXPORT_SYMBOL(memcpy)
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2015-10-12 23:52:58 +08:00
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ENDPROC(__memcpy)
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2018-12-08 02:08:21 +08:00
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EXPORT_SYMBOL(__memcpy)
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