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/* 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 reg, ptr, val ldrb \reg, [\ptr], \val .endm .macro strb1 reg, ptr, val strb \reg, [\ptr], \val .endm .macro ldrh1 reg, ptr, val ldrh \reg, [\ptr], \val .endm .macro strh1 reg, ptr, val strh \reg, [\ptr], \val .endm .macro ldr1 reg, ptr, val ldr \reg, [\ptr], \val .endm .macro str1 reg, ptr, val str \reg, [\ptr], \val .endm .macro ldp1 reg1, reg2, ptr, val ldp \reg1, \reg2, [\ptr], \val .endm .macro stp1 reg1, reg2, ptr, val stp \reg1, \reg2, [\ptr], \val .endm SYM_FUNC_START_ALIAS(__memcpy) SYM_FUNC_START_WEAK_PI(memcpy) #include "copy_template.S" ret SYM_FUNC_END_PI(memcpy) EXPORT_SYMBOL(memcpy) SYM_FUNC_END_ALIAS(__memcpy) EXPORT_SYMBOL(__memcpy) |