There is possibility that pointers set to NULL before relocation.
In this case, system is hang, because of r0 is invalid location in RAM.
Signed-off-by: Minkyu Kang <mk7.k...@samsung.com>
---
arch/arm/cpu/armv7/start.S | 3 +++
1 files changed, 3 insertions(+), 0 deletions(-)
diff --git a/arch/arm/cpu/armv7/start.S b/arch/arm/cpu/armv7/start.S
index 684f2d2..4eeb12a 100644
--- a/arch/arm/cpu/armv7/start.S
+++ b/arch/arm/cpu/armv7/start.S
@@ -195,6 +195,8 @@ copy_loop:
add r3, r3, r0 /* r3 <- rel dyn end in FLASH */
fixloop:
ldr r0, [r2] /* r0 <- location to fix up, IN FLASH!
*/
+ cmp r0, #0
+ beq fixskip
add r0, r0, r9 /* r0 <- location to fix up in RAM */
ldr r1, [r2, #4]
and r7, r1, #0xff
@@ -217,6 +219,7 @@ fixrel:
add r1, r1, r9
fixnext:
str r1, [r0]
+fixskip:
add r2, r2, #8 /* each rel.dyn entry is 8 bytes */
cmp r2, r3
blo fixloop
--
1.7.1
_______________________________________________
U-Boot mailing list
U-Boot@lists.denx.de
http://lists.denx.de/mailman/listinfo/u-boot
