From b34401cce3e9e6af5f5a27651003cee9b23a73d2 Mon Sep 17 00:00:00 2001 From: Sebastian Huber Date: Mon, 11 Mar 2013 17:44:51 +0100 Subject: mpc83xx: Copy nothing if necessary --- c/src/lib/libbsp/powerpc/gen83xx/start/start.S | 3 +++ 1 file changed, 3 insertions(+) diff --git a/c/src/lib/libbsp/powerpc/gen83xx/start/start.S b/c/src/lib/libbsp/powerpc/gen83xx/start/start.S index 2c67bf8c5e..770256d942 100644 --- a/c/src/lib/libbsp/powerpc/gen83xx/start/start.S +++ b/c/src/lib/libbsp/powerpc/gen83xx/start/start.S @@ -457,6 +457,9 @@ twiddle: b twiddle copy_image: + cmpwi r28, 0 + beqlr + mr r27, r28 srwi r28, r28, 2 mtctr r28 -- cgit v1.2.3