From: Jeroen Hofstee Date: Sat, 21 Sep 2013 12:04:40 +0000 (+0200) Subject: ARM,relocate: do not use r9 X-Git-Tag: v2013.10-rc4~1^2~4 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=a81872ff27bb66578ae515ec5079cf191656b1c1;p=kernel%2Fu-boot.git ARM,relocate: do not use r9 r9 is a platform-specific register in ARM EABI and not per definition a general purpose register. Do not use it while relocating so it can be used for gd. cc: Albert ARIBAUD Signed-off-by: Jeroen Hofstee --- diff --git a/arch/arm/lib/relocate.S b/arch/arm/lib/relocate.S index ab90430..a62a556 100644 --- a/arch/arm/lib/relocate.S +++ b/arch/arm/lib/relocate.S @@ -22,7 +22,7 @@ ENTRY(relocate_code) ldr r1, =__image_copy_start /* r1 <- SRC &__image_copy_start */ - subs r9, r0, r1 /* r9 <- relocation offset */ + subs r4, r0, r1 /* r4 <- relocation offset */ beq relocate_done /* skip relocation */ ldr r2, =__image_copy_end /* r2 <- SRC &__image_copy_end */ @@ -44,9 +44,9 @@ fixloop: bne fixnext /* relative fix: increase location by offset */ - add r0, r0, r9 + add r0, r0, r4 ldr r1, [r0] - add r1, r1, r9 + add r1, r1, r4 str r1, [r0] fixnext: cmp r2, r3