startup with rom reserved vars and patch tables
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23
src/start.S
23
src/start.S
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@ -43,6 +43,29 @@ _start: b main
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ldr pc, _irq
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ldr pc, _fiq
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/* these vectors are used for rom patching */
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.org 0x20
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_RPTV_0_START:
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bx lr /* do nothing */
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.org 0x60
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_RPTV_1_START:
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bx lr /* do nothing */
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.org 0xa0
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_RPTV_2_START:
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bx lr /* do nothing */
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.org 0xe0
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_RPTV_3_START:
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bx lr /* do nothing */
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.org 0x120
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ROM_var_start: .word 0
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.org 0x7ff
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ROM_var_end: .word 0
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_undefined_instruction: .word undefined_instruction
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_software_interrupt: .word software_interrupt
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_prefetch_abort: .word prefetch_abort
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