| /* |
| * 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) |
| ENDPROC(__memcpy) |