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27 lines
535 B
ArmAsm
27 lines
535 B
ArmAsm
.include "asm/constants.inc"
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.include "asm/macros.inc"
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.syntax unified
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arm_func_start _start
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_start: @ 0x080000c0
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mov r0, #PSR_IRQ_MODE
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msr cpsr_fc, r0
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ldr sp, sp_irq_ptr
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mov r0, #PSR_SYS_MODE
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msr cpsr_fc, r0
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ldr sp, sp_sys_ptr
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ldr r1, intr_vector_ptr
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add r0, pc, #0x20 @ intr_main
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str r0, [r1]
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ldr r1, agbmain_ptr
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mov lr, pc
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bx r1
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b _start
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@ pool
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sp_sys_ptr: .4byte sp_sys
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sp_irq_ptr: .4byte sp_irq
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intr_vector_ptr: .4byte intr_vector
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agbmain_ptr: .4byte agbmain
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