mirror of
https://github.com/Atmosphere-NX/Atmosphere.git
synced 2024-12-28 13:16:02 +00:00
52 lines
1.7 KiB
Python
52 lines
1.7 KiB
Python
#!/usr/bin/env python
|
|
import sys, os
|
|
from struct import pack as pk, unpack as up
|
|
|
|
def align_up(val, algn):
|
|
val += algn - 1
|
|
return val - (val % algn)
|
|
|
|
|
|
def main(argc, argv):
|
|
if argc != 1:
|
|
print('Usage: %s' % argv[0])
|
|
return 1
|
|
with open('kernel_ldr/kernel_ldr.bin', 'rb') as f:
|
|
kernel_ldr = f.read()
|
|
with open('kernel/kernel.bin', 'rb') as f:
|
|
kernel = f.read()
|
|
kernel_metadata_offset = 4
|
|
assert (kernel_metadata_offset <= len(kernel) - 0x40)
|
|
assert (kernel[kernel_metadata_offset:kernel_metadata_offset + 4] == b'MSS0')
|
|
kernel_end = up('<I', kernel[kernel_metadata_offset + 0x34:kernel_metadata_offset + 0x38])[0]
|
|
assert (kernel_end >= len(kernel))
|
|
|
|
embedded_ini = b''
|
|
try:
|
|
with open('ini.bin', 'rb') as f:
|
|
embedded_ini = f.read()
|
|
except:
|
|
pass
|
|
embedded_ini_offset = align_up(kernel_end, 0x1000) + 0x1000
|
|
embedded_ini_end = embedded_ini_offset + len(embedded_ini) # TODO: Create and embed an INI, eventually.
|
|
|
|
kernel_ldr_offset = align_up(embedded_ini_end, 0x1000) + 0x1000
|
|
kernel_ldr_end = kernel_ldr_offset + len(kernel_ldr)
|
|
mesosphere_end = align_up(kernel_ldr_end, 0x1000)
|
|
|
|
with open('mesosphere.bin', 'wb') as f:
|
|
f.write(kernel[:kernel_metadata_offset + 4])
|
|
f.write(pk('<QQ', embedded_ini_offset, kernel_ldr_offset))
|
|
f.write(kernel[kernel_metadata_offset + 0x14:])
|
|
f.seek(embedded_ini_offset)
|
|
f.write(embedded_ini)
|
|
f.seek(embedded_ini_end)
|
|
f.seek(kernel_ldr_offset)
|
|
f.write(kernel_ldr)
|
|
f.seek(mesosphere_end)
|
|
f.write(b'\x00'*0x1000)
|
|
return 0
|
|
|
|
|
|
if __name__ == '__main__':
|
|
sys.exit(main(len(sys.argv), sys.argv))
|