In some cases (e.g. bootm with a elf payload which is already at the right
position) there is a in place copy of data to the same address. Catching this
saves some ms while booting.
Signed-off-by: Matthias Weisser <weiss...@arcor.de>
---
arch/arm/lib/memcpy.S | 3 +++
1 files changed, 3 insertions(+), 0 deletions(-)
diff --git a/arch/arm/lib/memcpy.S b/arch/arm/lib/memcpy.S
index 3b5aeec..f655256 100644
--- a/arch/arm/lib/memcpy.S
+++ b/arch/arm/lib/memcpy.S
@@ -60,6 +60,9 @@
.globl memcpy
memcpy:
+ cmp r0, r1
+ moveq pc, lr
+
enter r4, lr
subs r2, r2, #4
--
1.7.0.4
_______________________________________________
U-Boot mailing list
U-Boot@lists.denx.de
http://lists.denx.de/mailman/listinfo/u-boot
