.globl _bss_end_ofs
_bss_end_ofs:
+ .word __bss_end__ - _start
+
+.globl _end_ofs
+_end_ofs:
.word _end - _start
#ifdef CONFIG_USE_IRQ
cmp r0, r6
beq clear_bss /* skip relocation */
mov r1, r6 /* r1 <- scratch for copy_loop */
- ldr r2, _TEXT_BASE
ldr r3, _bss_start_ofs
add r2, r0, r3 /* r2 <- source end address */
cmp r0, r2 /* until source end address [r2] */
blo copy_loop
-#ifndef CONFIG_PRELOADER
+#ifndef CONFIG_SPL_BUILD
/*
* fix .rel.dyn relocations
*/
#endif
clear_bss:
-#ifndef CONFIG_PRELOADER
+#ifndef CONFIG_SPL_BUILD
ldr r0, _bss_start_ofs
ldr r1, _bss_end_ofs
- ldr r3, _TEXT_BASE /* Text base */
mov r4, r6 /* reloc addr */
add r0, r0, r4
add r1, r1, r4
mov r2, #0x00000000 /* clear */
-clbss_l:str r2, [r0] /* clear loop... */
+clbss_l:cmp r0, r1 /* clear loop... */
+ bhs clbss_e /* if reached end of bss, exit */
+ str r2, [r0]
add r0, r0, #4
- cmp r0, r1
- bne clbss_l
+ b clbss_l
+clbss_e:
bl coloured_LED_init
- bl red_LED_on
+ bl red_led_on
#endif
/*