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ARM,relocate: do not use r9

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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 <albert.u.boot@aribaud.net>
Signed-off-by: Jeroen Hofstee <jeroen@myspectrum.nl>
This commit is contained in:
Jeroen Hofstee 2013-09-21 14:04:40 +02:00 committed by Albert ARIBAUD
parent 3102274d8b
commit a81872ff27
1 changed files with 3 additions and 3 deletions
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6
arch/arm/lib/relocate.S
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@ -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