From 072de836f53be56a70cecf70b43ae43b7ce17376 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Mon, 11 Dec 2023 10:08:36 +0000
Subject: [PATCH] mk-rootfs.sh
---
kernel/arch/arm/lib/copy_to_user.S | 34 ++++++++++++++++++++++++----------
1 files changed, 24 insertions(+), 10 deletions(-)
diff --git a/kernel/arch/arm/lib/copy_to_user.S b/kernel/arch/arm/lib/copy_to_user.S
index 970abe5..ebfe4cb 100644
--- a/kernel/arch/arm/lib/copy_to_user.S
+++ b/kernel/arch/arm/lib/copy_to_user.S
@@ -1,13 +1,10 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
/*
* linux/arch/arm/lib/copy_to_user.S
*
* Author: Nicolas Pitre
* Created: Sep 29, 2005
* Copyright: MontaVista Software, Inc.
- *
- * 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.
*/
#include <linux/linkage.h>
@@ -35,11 +32,6 @@
*/
#define LDR1W_SHIFT 0
-#ifndef CONFIG_THUMB2_KERNEL
-#define STR1W_SHIFT 0
-#else
-#define STR1W_SHIFT 1
-#endif
.macro ldr1w ptr reg abort
W(ldr) \reg, [\ptr], #4
@@ -54,8 +46,16 @@
.endm
.macro ldr1b ptr reg cond=al abort
- ldr\cond\()b \reg, [\ptr], #1
+ ldrb\cond \reg, [\ptr], #1
.endm
+
+#ifdef CONFIG_CPU_USE_DOMAINS
+
+#ifndef CONFIG_THUMB2_KERNEL
+#define STR1W_SHIFT 0
+#else
+#define STR1W_SHIFT 1
+#endif
.macro str1w ptr reg abort
strusr \reg, \ptr, 4, abort=\abort
@@ -72,6 +72,20 @@
str1w \ptr, \reg8, \abort
.endm
+#else
+
+#define STR1W_SHIFT 0
+
+ .macro str1w ptr reg abort
+ USERL(\abort, W(str) \reg, [\ptr], #4)
+ .endm
+
+ .macro str8w ptr reg1 reg2 reg3 reg4 reg5 reg6 reg7 reg8 abort
+ USERL(\abort, stmia \ptr!, {\reg1, \reg2, \reg3, \reg4, \reg5, \reg6, \reg7, \reg8})
+ .endm
+
+#endif /* CONFIG_CPU_USE_DOMAINS */
+
.macro str1b ptr reg cond=al abort
strusr \reg, \ptr, 1, \cond, abort=\abort
.endm
--
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