From: Harald Welte Date: Wed, 19 Dec 2007 13:16:57 +0000 (+0100) Subject: ARM: arm920t: Allow use of 'gd' pointer from IRQ X-Git-Tag: v1.3.2-rc1~51 X-Git-Url: https://git.sur5r.net/?a=commitdiff_plain;h=a25f72f1f73a11de68251fb88c89991e202e68fa;p=u-boot 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 --- 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