From 102a0743326a03cd1a1202ceda21e175b7d3575c Mon Sep 17 00:00:00 2001 From: hc <hc@nodka.com> Date: Tue, 20 Feb 2024 01:20:52 +0000 Subject: [PATCH] add new system file --- kernel/arch/arm64/lib/memcpy.S | 56 +++++++++++++++++++++++--------------------------------- 1 files changed, 23 insertions(+), 33 deletions(-) diff --git a/kernel/arch/arm64/lib/memcpy.S b/kernel/arch/arm64/lib/memcpy.S index dfedd4a..dc8d2a2 100644 --- a/kernel/arch/arm64/lib/memcpy.S +++ b/kernel/arch/arm64/lib/memcpy.S @@ -1,25 +1,13 @@ +/* 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 - * 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> @@ -36,41 +24,43 @@ * Returns: * x0 - dest */ - .macro ldrb1 ptr, regB, val - ldrb \ptr, [\regB], \val + .macro ldrb1 reg, ptr, val + ldrb \reg, [\ptr], \val .endm - .macro strb1 ptr, regB, val - strb \ptr, [\regB], \val + .macro strb1 reg, ptr, val + strb \reg, [\ptr], \val .endm - .macro ldrh1 ptr, regB, val - ldrh \ptr, [\regB], \val + .macro ldrh1 reg, ptr, val + ldrh \reg, [\ptr], \val .endm - .macro strh1 ptr, regB, val - strh \ptr, [\regB], \val + .macro strh1 reg, ptr, val + strh \reg, [\ptr], \val .endm - .macro ldr1 ptr, regB, val - ldr \ptr, [\regB], \val + .macro ldr1 reg, ptr, val + ldr \reg, [\ptr], \val .endm - .macro str1 ptr, regB, val - str \ptr, [\regB], \val + .macro str1 reg, ptr, val + str \reg, [\ptr], \val .endm - .macro ldp1 ptr, regB, regC, val - ldp \ptr, \regB, [\regC], \val + .macro ldp1 reg1, reg2, ptr, val + ldp \reg1, \reg2, [\ptr], \val .endm - .macro stp1 ptr, regB, regC, val - stp \ptr, \regB, [\regC], \val + .macro stp1 reg1, reg2, ptr, val + stp \reg1, \reg2, [\ptr], \val .endm -ENTRY(__memcpy) -WEAK(memcpy) +SYM_FUNC_START_ALIAS(__memcpy) +SYM_FUNC_START_WEAK_PI(memcpy) #include "copy_template.S" ret -ENDPIPROC(memcpy) -ENDPROC(__memcpy) +SYM_FUNC_END_PI(memcpy) +EXPORT_SYMBOL(memcpy) +SYM_FUNC_END_ALIAS(__memcpy) +EXPORT_SYMBOL(__memcpy) -- Gitblit v1.6.2