[U-Boot-Users] [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
Index: u-boot/cpu/arm920t/start.S =================================================================== --- u-boot.orig/cpu/arm920t/start.S +++ u-boot/cpu/arm920t/start.S @@ -415,12 +415,12 @@ .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

In message 20071219131657.GZ29882@prithivi.gnumonks.org you wrote:
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
Applied, thanks.
Best regards,
Wolfgang Denk
participants (2)
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Harald Welte
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Wolfgang Denk