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-rw-r--r--cpu/ppc4xx/start.S17
1 files changed, 13 insertions, 4 deletions
diff --git a/cpu/ppc4xx/start.S b/cpu/ppc4xx/start.S
index 645ac0b..52601ed 100644
--- a/cpu/ppc4xx/start.S
+++ b/cpu/ppc4xx/start.S
@@ -1494,16 +1494,25 @@ clear_bss:
lwz r4,GOT(_end)
cmplw 0, r3, r4
- beq 6f
+ beq 7f
li r0, 0
-5:
+
+ andi. r5, r4, 3
+ beq 6f
+ sub r4, r4, r5
+ mtctr r5
+ mr r5, r4
+5: stb r0, 0(r5)
+ addi r5, r5, 1
+ bdnz 5b
+6:
stw r0, 0(r3)
addi r3, r3, 4
cmplw 0, r3, r4
- bne 5b
-6:
+ bne 6b
+7:
mr r3, r9 /* Init Data pointer */
mr r4, r10 /* Destination Address */
bl board_init_r