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)

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