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https://github.com/Polprzewodnikowy/SummerCart64.git
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59 lines
864 B
ArmAsm
59 lines
864 B
ArmAsm
#include "vr4300.h"
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.section .text.rom_header, "a", %progbits
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.type rom_header, %object
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rom_header:
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header_pi_config:
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.word 0x80371240
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header_clock_rate:
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.word 0x0000000F
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header_load_addr:
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.word entry_handler
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header_sdk_version:
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.word 0x00000000
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header_crc:
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.fill 2, 4, 0
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.org 0x20, 0x00
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header_text_info:
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.ascii "SC64 bootloader"
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.org 0x40, 0x00
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.section .text.ipl3, "a", %progbits
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.type ipl3, %object
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ipl3:
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.incbin "header", 0x40
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.section .text.entry_handler, "ax", %progbits
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.type entry_handler, %function
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entry_handler:
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.global entry_handler
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la $gp, _gp
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la $sp, _sp
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bss_init:
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la $a0, _sbss
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la $a1, _ebss
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1:
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sd $zero, 0($a0)
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addiu $a0, 8
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bltu $a0, $a1, 1b
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la $t0, init
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jalr $t0
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la $t0, main
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jalr $t0
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loop:
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j loop
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