perfect_dark/tools/buildrom

144 lines
4.2 KiB
Python
Executable File

#!/usr/bin/env python3
import os
import re
import subprocess
def main():
fd = open('build/ntsc-final/pd.z64', 'wb+')
# The retail ROM contains truncated duplicates of some segments.
# For example, the real boot segment is at 0x1000 - 0x3050, but the tail end
# of it is repeated at 0x2ea6c - 0x30a60. The truncated parts are not read
# by the ROM; they are likely a side effect of Rare's linker copying things
# around in the ROM.
write_binary(fd, 0x2ea1c, get_boot())
write_binary(fd, 0x30a6c, get_lib()[:0x8df0])
write_binary(fd, 0x157120, get_unknown())
write_binary(fd, 0, get_header())
write_binary(fd, 0x40, get_rspboot())
write_binary(fd, 0x1000, get_boot())
write_binary(fd, 0x3050, get_lib())
write_binary(fd, 0x39850, get_gamedata())
write_binary(fd, 0x4e850, get_inflate())
write_binary(fd, 0x4fc40, get_gamezips())
write_binary(fd, 0x7f2388, get_fonts())
write_binary(fd, 0x80a250, get_sfxctl())
write_binary(fd, 0x839dd0, get_sfxtbl())
write_binary(fd, 0xcfbf30, get_seqctl())
write_binary(fd, 0xd05f90, get_seqtbl())
write_binary(fd, 0xe82000, get_midi())
write_files(fd)
write_binary(fd, 0x1d5ca00, get_filenames())
write_binary(fd, 0x1d65f40, get_textures())
fd.close()
def write_binary(fd, address, binary):
fd.seek(address)
fd.write(binary)
def get_header():
binary = bytearray()
binary.extend(b'\x80\x37\x12\x40') # Identifier
binary.extend(b'\x00\x00\x00\x0f') # Clock rate
binary.extend(b'\x80\x00\x10\x00') # Program counter
binary.extend(b'\x00\x00\x14\x49') # Release address
binary.extend(b'\x00\x00\x00\x00') # CRC 1
binary.extend(b'\x00\x00\x00\x00') # CRC 2
binary.extend(b'\x00\x00\x00\x00')
binary.extend(b'\x00\x00\x00\x00')
binary.extend(b'Perfect Dark ')
binary.extend(b'\x00\x00\x00\x00')
binary.extend(b'\x00\x00\x00')
binary.extend(b'NPDE')
binary.extend(b'\x01')
return binary
def get_rspboot():
return getfilecontents('extracted/ntsc-final/ucode/rspboot.bin')
def get_boot():
return getfilecontents('build/ntsc-final/ucode/boot.bin')
def get_lib():
return zip('build/ntsc-final/ucode/lib.bin')
def get_gamedata():
return zip('build/ntsc-final/ucode/gamedata.bin')
def get_inflate():
return getfilecontents('build/ntsc-final/ucode/inflate.bin')
def get_gamezips():
return getfilecontents('build/ntsc-final/ucode/gamezips.bin')
def get_unknown():
return getfrombaserom(0x157120, 0x69b268)
def get_fonts():
return getfrombaserom(0x7f2388, 0x17ec8)
def get_sfxctl():
return getfilecontents('extracted/ntsc-final/audio/sfx.ctl')
def get_sfxtbl():
return getfilecontents('extracted/ntsc-final/audio/sfx.tbl')
def get_seqctl():
return getfilecontents('extracted/ntsc-final/audio/music.ctl')
def get_seqtbl():
return getfilecontents('extracted/ntsc-final/audio/music.tbl')
def get_midi():
return getfilecontents('extracted/ntsc-final/audio/sequences.bin')
def write_files(fd):
start = getlinkervariable('_filesSegmentRomStart')
end = getlinkervariable('_filesSegmentRomEnd')
write_binary(fd, 0xed83a0, getfromldbin(start, end - start))
def get_filenames():
return getfilecontents('build/ntsc-final/ucode/filenames.bin')
def get_textures():
return getfrombaserom(0x01d65f40, 0x29a0c0)
def getfilecontents(filename):
fd = open(filename, 'rb')
binary = fd.read()
fd.close()
return binary
def getfrombaserom(offset, len):
fd = open('pd.ntsc-final.z64', 'rb')
fd.seek(offset)
binary = fd.read(len)
fd.close()
return binary
def getfromldbin(offset, len):
fd = open('build/ntsc-final/pd.bin', 'rb')
fd.seek(offset)
binary = fd.read(len)
fd.close()
return binary
def zip(filename):
return subprocess.check_output(['tools/rarezip', filename])
def getlinkervariable(varname):
if 'TOOLCHAIN' in os.environ:
cmd = '%s-objdump' % os.environ['TOOLCHAIN']
else:
cmd = 'mips64-elf-objdump'
objdump = subprocess.check_output([cmd, 'build/ntsc-final/pd.elf', '-t']).decode('utf-8')
matches = re.findall(r'^([0-9a-f]+) .*? %s$' % varname, objdump, re.MULTILINE)
return int(matches[0], 16)
main()