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authorBenoît Thébaudeau <benoit.thebaudeau@advansee.com>2013-04-11 09:35:45 +0000
committerAlbert ARIBAUD <albert.u.boot@aribaud.net>2013-04-12 07:55:05 +0200
commit4b3db1cd31cbf690b4bf5d704211a7385ff31e03 (patch)
treed0785b938f32a2b010cc298c6c4e727c2bc43da7 /arch/arm/cpu/arm720t
parent1dd1276fd8c66434664346c8f872e51d9f916636 (diff)
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arm: relocate_code(): Remove useless relocation offset computation
Signed-off-by: Benoît Thébaudeau <benoit.thebaudeau@advansee.com>
Diffstat (limited to 'arch/arm/cpu/arm720t')
-rw-r--r--arch/arm/cpu/arm720t/start.S8
1 files changed, 3 insertions, 5 deletions
diff --git a/arch/arm/cpu/arm720t/start.S b/arch/arm/cpu/arm720t/start.S
index c65af3f..95f4447 100644
--- a/arch/arm/cpu/arm720t/start.S
+++ b/arch/arm/cpu/arm720t/start.S
@@ -163,16 +163,15 @@ relocate_code:
mov r6, r2 /* save addr of destination */
adr r0, _start
- cmp r0, r6
- moveq r9, #0 /* no relocation. relocation offset(r9) = 0 */
+ subs r9, r6, r0 /* r9 <- relocation offset */
beq relocate_done /* skip relocation */
mov r1, r6 /* r1 <- scratch for copy_loop */
ldr r3, _bss_start_ofs
add r2, r0, r3 /* r2 <- source end address */
copy_loop:
- ldmia r0!, {r9-r10} /* copy from source address [r0] */
- stmia r1!, {r9-r10} /* copy to target address [r1] */
+ ldmia r0!, {r10-r11} /* copy from source address [r0] */
+ stmia r1!, {r10-r11} /* copy to target address [r1] */
cmp r0, r2 /* until source end address [r2] */
blo copy_loop
@@ -181,7 +180,6 @@ copy_loop:
* fix .rel.dyn relocations
*/
ldr r0, _TEXT_BASE /* r0 <- Text base */
- sub r9, r6, r0 /* r9 <- relocation offset */
ldr r10, _dynsym_start_ofs /* r10 <- sym table ofs */
add r10, r10, r0 /* r10 <- sym table in FLASH */
ldr r2, _rel_dyn_start_ofs /* r2 <- rel dyn start ofs */