summaryrefslogtreecommitdiff
path: root/arch
diff options
context:
space:
mode:
Diffstat (limited to 'arch')
-rw-r--r--arch/arm/cpu/pxa/start.S5
1 files changed, 4 insertions, 1 deletions
diff --git a/arch/arm/cpu/pxa/start.S b/arch/arm/cpu/pxa/start.S
index 63ab0c591aa..3989fa61bc7 100644
--- a/arch/arm/cpu/pxa/start.S
+++ b/arch/arm/cpu/pxa/start.S
@@ -140,7 +140,10 @@ stack_setup:
#ifdef CONFIG_USE_IRQ
sub r0, r0, #(CONFIG_STACKSIZE_IRQ+CONFIG_STACKSIZE_FIQ)
#endif /* CONFIG_USE_IRQ */
- sub sp, r0, #12 /* leave 3 words for abort-stack */
+ sub r0, r0, #12 /* leave 3 words for abort-stack */
+ bic sp, r0, #7 /* NOTE: stack MUST be aligned to */
+ /* 8 bytes in case we want to use */
+ /* 64bit datatypes (eg. VSPRINTF64) */
clear_bss:
ldr r0, _bss_start /* find start of bss segment */