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-rw-r--r--arch/arm/lib/crt0.S10
1 files changed, 9 insertions, 1 deletions
diff --git a/arch/arm/lib/crt0.S b/arch/arm/lib/crt0.S
index 7939ced..92d3732 100644
--- a/arch/arm/lib/crt0.S
+++ b/arch/arm/lib/crt0.S
@@ -122,14 +122,22 @@ here:
movne sp, r0
# endif
ldr r0, =__bss_start /* this is auto-relocated! */
- ldr r1, =__bss_end /* this is auto-relocated! */
+#ifdef CONFIG_USE_ARCH_MEMSET
+ ldr r3, =__bss_end /* this is auto-relocated! */
+ mov r1, #0x00000000 /* prepare zero to clear BSS */
+
+ subs r2, r3, r0 /* r2 = memset len */
+ bl memset
+#else
+ ldr r1, =__bss_end /* this is auto-relocated! */
mov r2, #0x00000000 /* prepare zero to clear BSS */
clbss_l:cmp r0, r1 /* while not at end of BSS */
strlo r2, [r0] /* clear 32-bit BSS word */
addlo r0, r0, #4 /* move to next */
blo clbss_l
+#endif
#if ! defined(CONFIG_SPL_BUILD)
bl coloured_LED_init