[U-Boot] [PATCH v2 01/13] ARM: HYP/non-sec: fix alignment requirements for vectors

Marc Zyngier marc.zyngier at arm.com
Sat Dec 7 12:19:06 CET 2013


Make sure the vectors are aligned on a 32 byte boundary, not
the code that deals with it...

Signed-off-by: Marc Zyngier <marc.zyngier at arm.com>
---
 arch/arm/cpu/armv7/nonsec_virt.S | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/arch/arm/cpu/armv7/nonsec_virt.S b/arch/arm/cpu/armv7/nonsec_virt.S
index 24b4c18..29987cd 100644
--- a/arch/arm/cpu/armv7/nonsec_virt.S
+++ b/arch/arm/cpu/armv7/nonsec_virt.S
@@ -14,6 +14,8 @@
 .arch_extension sec
 .arch_extension virt
 
+	.align	5				@ Minimal alignment for vectors
+
 /* the vector table for secure state and HYP mode */
 _monitor_vectors:
 	.word 0	/* reset */
@@ -32,7 +34,6 @@ _monitor_vectors:
  * to non-secure state.
  * We use only r0 and r1 here, due to constraints in the caller.
  */
-	.align	5
 _secure_monitor:
 	mrc	p15, 0, r1, c1, c1, 0		@ read SCR
 	bic	r1, r1, #0x4e			@ clear IRQ, FIQ, EA, nET bits
-- 
1.8.4.3



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