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Atmosphere/fusee_cpp/program/split_bin.py
2021-09-06 16:26:50 -07:00

62 lines
2 KiB
Python

#!/usr/bin/env python
import sys, lz4
from struct import unpack as up
def lz4_compress(data):
try:
import lz4.block as block
except ImportError:
block = lz4.LZ4_compress
return block.compress(data, 'high_compression', store_size=False)
def read_file(fn):
with open(fn, 'rb') as f:
return f.read()
def pad(data, size):
assert len(data) <= size
return (data + '\x00' * size)[:size]
def get_overlay(program, i):
return program[0x2B000 + 0x14000 * i:0x2B000 + 0x14000 * (i+1)]
def main(argc, argv):
if argc == 2:
target = argv[1]
if len(target) == 0:
target = ''
elif argc == 1:
target = ''
else:
print('Usage: %s target' % argv[0])
return 1
with open('../../program%s.bin' % target, 'rb') as f:
data = f.read()
with open('../../program%s.lz4' % target, 'wb') as f:
f.write(lz4_compress(data[:0x2B000] + get_overlay(data, 0)[:0x11000]))
with open('../../fusee-boogaloo%s.bin' % target, 'wb') as f:
# TODO: Write header
f.write('\xCC'*0x800)
# Write warmboot
f.write(pad(read_file('../../../../exosphere/warmboot%s.bin' % target), 0x1800))
# Write TSEC Keygen
f.write(pad(read_file('../../tsec_keygen/tsec_keygen.bin'), 0x2000))
# Write Mariko Fatal
f.write(pad(read_file('../../../../exosphere/mariko_fatal%s.bin' % target), 0x1C000))
# Write Erista MTC
f.write(get_overlay(data, 1))
# Write Mariko MTC
f.write(get_overlay(data, 2))
# Write exosphere
f.write(pad(read_file('../../../../exosphere/exosphere%s.bin' % target), 0xE000))
# Write mesosphere
f.write(pad(read_file('../../../../mesosphere/mesosphere%s.bin' % target), 0xAA000))
# TODO: Write kips
f.write('\xCC'*0x300000)
# Write Splash Screen
f.write(pad(read_file('../../splash_screen/splash_screen.bin'), 0x3C0000))
return 0
if __name__ == '__main__':
sys.exit(main(len(sys.argv), sys.argv))