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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>
Index: u-boot/cpu/arm920t/start.S
===================================================================
--- u-boot.orig/cpu/arm920t/start.S 2007-02-24 02:35:38.000000000 +0100
+++ u-boot/cpu/arm920t/start.S 2007-02-24 02:36:01.000000000 +0100
@@ -474,12 +474,12 @@
.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
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