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startup with rom reserved vars and patch tables

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This commit is contained in:
Mariano Alvira 2009-04-15 15:13:38 -04:00
parent 721173449c
commit d76846385a
1 changed files with 23 additions and 0 deletions
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23
src/start.S
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@ -43,6 +43,29 @@ _start: b main
ldr pc, _irq ldr pc, _irq
ldr pc, _fiq ldr pc, _fiq
/* these vectors are used for rom patching */
.org 0x20
_RPTV_0_START:
bx lr /* do nothing */
.org 0x60
_RPTV_1_START:
bx lr /* do nothing */
.org 0xa0
_RPTV_2_START:
bx lr /* do nothing */
.org 0xe0
_RPTV_3_START:
bx lr /* do nothing */
.org 0x120
ROM_var_start: .word 0
.org 0x7ff
ROM_var_end: .word 0
_undefined_instruction: .word undefined_instruction _undefined_instruction: .word undefined_instruction
_software_interrupt: .word software_interrupt _software_interrupt: .word software_interrupt
_prefetch_abort: .word prefetch_abort _prefetch_abort: .word prefetch_abort