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#! /usr/bin/env python3
import argparse
import sys
from pathlib import Path
from segtypes.gc.rarc import GcSegRarc
from util.gc import gcinfo
from util.n64 import find_code_length, rominfo
parser = argparse.ArgumentParser(
description="Create a splat config from an N64 ROM or a GameCube disc image."
)
parser.add_argument("file", help="Path to a .z64/.n64 ROM or .iso/.gcm GameCube image")
def main(file_path: Path):
if not file_path.exists():
sys.exit(f"File {file_path} does not exist ({file_path.absolute()})")
if file_path.is_dir():
sys.exit(f"Path {file_path} is a directory ({file_path.absolute()})")
# Check for N64 ROM
if file_path.suffix.lower() == ".n64" or file_path.suffix.lower() == ".z64":
create_n64_config(file_path)
return
file_bytes = file_path.read_bytes()
# Check for GC disc image
if int.from_bytes(file_bytes[0x1C:0x20], byteorder="big") == 0xC2339F3D:
create_gc_config(file_path, file_bytes)
def create_n64_config(rom_path: Path):
rom_bytes = rominfo.read_rom(rom_path)
rom = rominfo.get_info(rom_path, rom_bytes)
basename = rom.name.replace(" ", "").lower()
header = f"""\
name: {rom.name.title()} ({rom.get_country_name()})
sha1: {rom.sha1}
options:
basename: {basename}
target_path: {rom_path.with_suffix(".z64")}
base_path: .
compiler: {rom.compiler}
find_file_boundaries: True
header_encoding: {rom.header_encoding}
platform: n64
# undefined_funcs_auto: True
# undefined_funcs_auto_path: undefined_funcs_auto.txt
# undefined_syms_auto: True
# undefined_syms_auto_path: undefined_syms_auto.txt
# symbol_addrs_path: symbol_addrs.txt
# asm_path: asm
# src_path: src
# build_path: build
# extensions_path: tools/splat_ext
# mips_abi_float_regs: o32
# section_order: [".text", ".data", ".rodata", ".bss"]
# auto_all_sections: [".data", ".rodata", ".bss"]
# libultra_symbols: True
# hardware_regs: True
"""
first_section_end = find_code_length.run(rom_bytes, 0x1000, rom.entry_point)
segments = f"""\
segments:
- name: header
type: header
start: 0x0
- name: boot
type: bin
start: 0x40
- name: entry
type: code
start: 0x1000
vram: 0x{rom.entry_point:X}
subsegments:
- [0x1000, hasm]
- name: main
type: code
start: 0x{0x1000 + rom.entrypoint_info.entry_size:X}
vram: 0x{rom.entry_point + rom.entrypoint_info.entry_size:X}
follows_vram: entry
"""
if rom.entrypoint_info.bss_size is not None:
segments += f"""\
bss_size: 0x{rom.entrypoint_info.bss_size:X}
"""
segments += f"""\
subsegments:
- [0x{0x1000 + rom.entrypoint_info.entry_size:X}, asm]
"""
if (
rom.entrypoint_info.bss_size is not None
and rom.entrypoint_info.bss_start_address is not None
):
bss_start = rom.entrypoint_info.bss_start_address - rom.entry_point + 0x1000
# first_section_end points to the start of data
segments += f"""\
- [0x{first_section_end:X}, data]
- {{ start: 0x{bss_start:X}, type: bss, vram: 0x{rom.entrypoint_info.bss_start_address:08X} }}
"""
# Point next segment to the detected end of the main one
first_section_end = bss_start
segments += f"""\
- type: bin
start: 0x{first_section_end:X}
follows_vram: main
- [0x{rom.size:X}]
"""
out_file = f"{basename}.yaml"
with open(out_file, "w", newline="\n") as f:
print(f"Writing config to {out_file}")
f.write(header)
f.write(segments)
def create_gc_config(iso_path: Path, iso_bytes: bytes):
gc = gcinfo.get_info(iso_path, iso_bytes)
basename = gc.system_code + gc.game_code + gc.region_code + gc.publisher_code
header = f"""\
name: \"{gc.name.title()} ({gc.get_region_name()})\"
system_code: {gc.system_code}
game_code: {gc.game_code}
region_code: {gc.region_code}
publisher_code: {gc.publisher_code}
sha1: {gc.sha1}
options:
filesystem_path: filesystem
basename: {basename}
target_path: {iso_path.with_suffix(".iso")}
base_path: .
compiler: {gc.compiler}
platform: gc
# undefined_funcs_auto: True
# undefined_funcs_auto_path: undefined_funcs_auto.txt
# undefined_syms_auto: True
# undefined_syms_auto_path: undefined_syms_auto.txt
# symbol_addrs_path: symbol_addrs.txt
# asm_path: asm
# src_path: src
# build_path: build
# extensions_path: tools/splat_ext
# section_order: [".text", ".data", ".rodata", ".bss"]
# auto_all_sections: [".data", ".rodata", ".bss"]
"""
segments = f"""\
segments:
- name: filesystem
type: fst
path: filesystem/sys/fst.bin
- name: bootinfo
type: bootinfo
path: filesystem/sys/boot.bin
- name: bi2
type: bi2
path: filesystem/sys/bi2.bin
- name: apploader
type: apploader
path: filesystem/sys/apploader.img
- name: main
type: dol
path: filesystem/sys/main.dol
"""
out_file = f"{basename}.yaml"
with open(out_file, "w", newline="\n") as f:
print(f"Writing config to {out_file}")
f.write(header)
f.write(segments)
if __name__ == "__main__":
args = parser.parse_args()
main(Path(args.file))
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