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Update startup.S

This commit is contained in:
ZHU Hao 2021-05-14 11:59:30 +08:00 committed by GitHub
parent 21beba7913
commit 8da49ff984
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1 changed files with 5 additions and 4 deletions
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9
bsp/bluetrum/libraries/hal_libraries/bmsis/source/startup.S
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@ -6,6 +6,7 @@
#include "ab32vg1.h" #include "ab32vg1.h"
.set _memcpy, 0x84044
.global _start .global _start
.section .reset, "ax" .section .reset, "ax"
_start: _start:
@ -16,18 +17,18 @@ _start:
la a0, __comm_vma la a0, __comm_vma
la a1, __comm_lma la a1, __comm_lma
la a2, __comm_size la a2, __comm_size
call 0x84044 call _memcpy
//load ram1 //load ram1
la a0, __ram1_vma la a0, __ram1_vma
la a1, __ram1_lma la a1, __ram1_lma
la a2, __ram1_size la a2, __ram1_size
call 0x84044 call _memcpy
la a0, __irq_stack_start //Stack清成0x23 la a0, __irq_stack_start //Stack清成0x23
li a1, 0x23 li a1, 0x23
la a2, __irq_stack_size la a2, __irq_stack_size
call 0x84040 call rt_memset
la ra, __irq_stack la ra, __irq_stack
lui a5, 0x1 lui a5, 0x1
sw zero, -1920(a5) sw zero, -1920(a5)
@ -37,7 +38,7 @@ _start:
la a0, __bss_start la a0, __bss_start
li a1, 0 li a1, 0
la a2, __bss_size la a2, __bss_size
call 0x84040 call rt_memset
call cache_init call cache_init