diff options
Diffstat (limited to 'packages/u-boot/u-boot-mkimage-openmoko-native/uboot-arm920t-gd_in_irq.patch')
| -rw-r--r-- | packages/u-boot/u-boot-mkimage-openmoko-native/uboot-arm920t-gd_in_irq.patch | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/packages/u-boot/u-boot-mkimage-openmoko-native/uboot-arm920t-gd_in_irq.patch b/packages/u-boot/u-boot-mkimage-openmoko-native/uboot-arm920t-gd_in_irq.patch new file mode 100644 index 0000000000..b3d7bc1166 --- /dev/null +++ b/packages/u-boot/u-boot-mkimage-openmoko-native/uboot-arm920t-gd_in_irq.patch @@ -0,0 +1,28 @@ +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 + |