From a25f72f1f73a11de68251fb88c89991e202e68fa Mon Sep 17 00:00:00 2001
From: Harald Welte <laforge@openmoko.org>
Date: Wed, 19 Dec 2007 14:16:57 +0100
Subject: [PATCH] ARM: arm920t: Allow use of 'gd' pointer from IRQ
This patch allows us to use the 'gd' pointer (and thus environment
and everything else associated with it) from interrupt context on
arm920t.
Signed-off-by: Harald Welte <laforge@openmoko.org>
---
cpu/arm920t/start.S | 10 +++++-----
1 file changed, 5 insertions(+), 5 deletions(-)
diff --git a/cpu/arm920t/start.S b/cpu/arm920t/start.S
index aefcdd1552..ae86002a8f 100644
--- a/cpu/arm920t/start.S
+++ b/cpu/arm920t/start.S
@@ -329,12 +329,12 @@ cpu_init_crit:
.macro irq_save_user_regs
sub sp, sp, #S_FRAME_SIZE
stmia sp, {r0 - r12} @ Calling r0-r12
- add r8, sp, #S_PC
- stmdb r8, {sp, lr}^ @ Calling SP, LR
- str lr, [r8, #0] @ Save calling PC
+ add r7, sp, #S_PC
+ stmdb r7, {sp, lr}^ @ Calling SP, LR
+ str lr, [r7, #0] @ Save calling PC
mrs r6, spsr
- str r6, [r8, #4] @ Save CPSR
- str r0, [r8, #8] @ Save OLD_R0
+ str r6, [r7, #4] @ Save CPSR
+ str r0, [r7, #8] @ Save OLD_R0
mov r0, sp
.endm
--
2.39.5