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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>
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