| /* 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) |