This patch fixes the clear_bss loop for bss sections that have
zero length, i.e., where __bss_start == __bss_end__.
Signed-off-by: Christian Riesch <christian.rie...@omicron.at>
Cc: Albert Aribaud <albert.u.b...@aribaud.net>
---
arch/arm/cpu/arm926ejs/start.S | 8 +++++---
1 files changed, 5 insertions(+), 3 deletions(-)
diff --git a/arch/arm/cpu/arm926ejs/start.S b/arch/arm/cpu/arm926ejs/start.S
index 8b5355b..772793c 100644
--- a/arch/arm/cpu/arm926ejs/start.S
+++ b/arch/arm/cpu/arm926ejs/start.S
@@ -299,10 +299,12 @@ clear_bss:
#endif
mov r2, #0x00000000 /* clear */
-clbss_l:str r2, [r0] /* clear loop... */
+clbss_l:cmp r0, r1 /* clear loop... */
+ beq clbss_e
+ str r2, [r0]
add r0, r0, #4
- cmp r0, r1
- bne clbss_l
+ b clbss_l
+clbss_e:
#ifndef CONFIG_SPL_BUILD
bl coloured_LED_init
--
1.7.0.4
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