[U-Boot] [PATCH v2, RFC] armv7: fixloop: don't fixup if location is invalid on RAM

[Minkyu Kang]

Need to check that location is valid on RAM before the fixup.

Signed-off-by: Minkyu Kang <mk7.kang at samsung.com>
---
 arch/arm/cpu/armv7/start.S |    6 ++++++
 1 files changed, 6 insertions(+), 0 deletions(-)

diff --git a/arch/arm/cpu/armv7/start.S b/arch/arm/cpu/armv7/start.S
index 684f2d2..a052378 100644
--- a/arch/arm/cpu/armv7/start.S
+++ b/arch/arm/cpu/armv7/start.S
@@ -195,6 +195,11 @@ copy_loop:
 	add	r3, r3, r0		/* r3 <- rel dyn end in FLASH */
 fixloop:
 	ldr	r0, [r2]		/* r0 <- location to fix up, IN FLASH! */
+	ldr	r7, _TEXT_BASE
+	cmp	r0, r7
+	blo	fixskip
+	cmp	r0, r6
+	bhs	fixskip
 	add	r0, r0, r9		/* r0 <- location to fix up in RAM */
 	ldr	r1, [r2, #4]
 	and	r7, r1, #0xff
@@ -217,6 +222,7 @@ 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