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ARM: arm920t: Allow use of 'gd' pointer from IRQ

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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>
This commit is contained in:
Harald Welte 2007-12-19 14:16:57 +01:00 committed by Wolfgang Denk
parent be19bd5cd0
commit a25f72f1f7
1 changed files with 5 additions and 5 deletions
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10
cpu/arm920t/start.S
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@ -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