diff mbox

[U-Boot,1/5] MIPS: start.S: fix boundary check in relocate_code

Message ID 1359044875-28631-2-git-send-email-juhosg@openwrt.org
State Accepted
Delegated to: Daniel Schwierzeck
Headers show

Commit Message

Gabor Juhos Jan. 24, 2013, 4:27 p.m. UTC
The loop code copies more data with one than
necessary due to the 'ble' instuction. Use the
'blt' instruction instead to fix that.

Due to the lack of suitable hardware the Xburst
specific code is compile tested only. However the
change is quite obvious.

Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
Cc: Daniel Schwierzeck <daniel.schwierzeck@googlemail.com>
---
 arch/mips/cpu/mips32/start.S |    2 +-
 arch/mips/cpu/mips64/start.S |    2 +-
 arch/mips/cpu/xburst/start.S |    2 +-
 3 files changed, 3 insertions(+), 3 deletions(-)
diff mbox

Patch

diff --git a/arch/mips/cpu/mips32/start.S b/arch/mips/cpu/mips32/start.S
index 22a9c1b..a4fc1ec 100644
--- a/arch/mips/cpu/mips32/start.S
+++ b/arch/mips/cpu/mips32/start.S
@@ -313,7 +313,7 @@  relocate_code:
 	lw	t3, 0(t0)
 	sw	t3, 0(t1)
 	addu	t0, 4
-	ble	t0, t2, 1b
+	blt	t0, t2, 1b
 	 addu	t1, 4
 
 	/* If caches were enabled, we would have to flush them here. */
diff --git a/arch/mips/cpu/mips64/start.S b/arch/mips/cpu/mips64/start.S
index bc7e41e..aed82e1 100644
--- a/arch/mips/cpu/mips64/start.S
+++ b/arch/mips/cpu/mips64/start.S
@@ -192,7 +192,7 @@  relocate_code:
 	lw	t3, 0(t0)
 	sw	t3, 0(t1)
 	daddu	t0, 4
-	ble	t0, t2, 1b
+	blt	t0, t2, 1b
 	 daddu	t1, 4
 
 	/* If caches were enabled, we would have to flush them here. */
diff --git a/arch/mips/cpu/xburst/start.S b/arch/mips/cpu/xburst/start.S
index 3a8280c..194d745 100644
--- a/arch/mips/cpu/xburst/start.S
+++ b/arch/mips/cpu/xburst/start.S
@@ -87,7 +87,7 @@  relocate_code:
 	lw	t3, 0(t0)
 	sw	t3, 0(t1)
 	addu	t0, 4
-	ble	t0, t2, 1b
+	blt	t0, t2, 1b
 	 addu	t1, 4
 
 	/* If caches were enabled, we would have to flush them here. */