mirror of
https://github.com/Atmosphere-NX/Atmosphere
synced 2024-11-14 00:56:35 +00:00
202 lines
8 KiB
Python
202 lines
8 KiB
Python
#!/usr/bin/env python
|
|
import sys, lz4, hashlib, os
|
|
from struct import unpack as up, pack as pk
|
|
|
|
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 + b'\x00' * size)[:size]
|
|
|
|
def get_overlay(program, i):
|
|
return program[0x2B000 + 0x14000 * i:0x2B000 + 0x14000 * (i+1)]
|
|
|
|
KIP_NAMES = [b'Loader', b'NCM', b'ProcessManager', b'sm', b'boot', b'spl', b'ams_mitm']
|
|
|
|
def get_kips(ams_dir, build_out_dir):
|
|
emummc = read_file(os.path.join(ams_dir, 'emummc/emummc_unpacked.kip'))
|
|
loader = read_file(os.path.join(ams_dir, 'stratosphere/loader/%s/loader.kip' % build_out_dir))
|
|
ncm = read_file(os.path.join(ams_dir, 'stratosphere/ncm/%s/ncm.kip' % build_out_dir))
|
|
pm = read_file(os.path.join(ams_dir, 'stratosphere/pm/%s/pm.kip' % build_out_dir))
|
|
sm = read_file(os.path.join(ams_dir, 'stratosphere/sm/%s/sm.kip' % build_out_dir))
|
|
boot = read_file(os.path.join(ams_dir, 'stratosphere/boot/%s/boot.kip' % build_out_dir))
|
|
spl = read_file(os.path.join(ams_dir, 'stratosphere/spl/%s/spl.kip' % build_out_dir))
|
|
ams_mitm = read_file(os.path.join(ams_dir, 'stratosphere/ams_mitm/%s/ams_mitm.kip' % build_out_dir))
|
|
return (emummc, {
|
|
b'Loader' : loader,
|
|
b'NCM' : ncm,
|
|
b'ProcessManager' : pm,
|
|
b'sm' : sm,
|
|
b'boot' : boot,
|
|
b'spl' : spl,
|
|
b'ams_mitm' : ams_mitm,
|
|
})
|
|
|
|
def write_kip_meta(f, kip, ofs):
|
|
# Write program id
|
|
f.write(kip[0x10:0x18])
|
|
# Write offset, size
|
|
f.write(pk('<II', ofs - 0x100000, len(kip)))
|
|
# Write hash
|
|
f.write(hashlib.sha256(kip).digest())
|
|
|
|
def write_header(f, all_kips, wb_size, tk_size, xf_size, ex_size, ms_size, fs_size, rb_size, git_revision, major, minor, micro, relstep, s_major, s_minor, s_micro, s_relstep):
|
|
# Unpack kips
|
|
emummc, kips = all_kips
|
|
# Write magic as PK31 magic.
|
|
f.write(b'PK31')
|
|
# Write metadata offset = 0x10
|
|
f.write(pk('<I', 0x20))
|
|
# Write flags
|
|
f.write(pk('<I', 0x00000000))
|
|
# Write meso_size
|
|
f.write(pk('<I', ms_size))
|
|
# Write num_kips
|
|
f.write(pk('<I', len(KIP_NAMES)))
|
|
# Write reserved1
|
|
f.write(b'\xCC' * 0xC)
|
|
# Write legacy magic
|
|
f.write(b'FSS0')
|
|
# Write total size
|
|
f.write(pk('<I', 0x800000))
|
|
# Write reserved2
|
|
f.write(pk('<I', 0xCCCCCCCC))
|
|
# Write content_header_offset
|
|
f.write(pk('<I', 0x40))
|
|
# Write num_content_headers;
|
|
f.write(pk('<I', 8 + len(KIP_NAMES)))
|
|
# Write supported_hos_version;
|
|
f.write(pk('<BBBB', s_relstep, s_micro, s_minor, s_major))
|
|
# Write release_version;
|
|
f.write(pk('<BBBB', relstep, micro, minor, major))
|
|
# Write git_revision;
|
|
f.write(pk('<I', git_revision))
|
|
# Write content metas
|
|
f.write(pk('<IIBBBBI16s', 0x000800, wb_size, 2, 0, 0, 0, 0xCCCCCCCC, b'warmboot'))
|
|
f.write(pk('<IIBBBBI16s', 0x002000, tk_size, 12, 0, 0, 0, 0xCCCCCCCC, b'tsec_keygen'))
|
|
f.write(pk('<IIBBBBI16s', 0x004000, xf_size, 11, 0, 0, 0, 0xCCCCCCCC, b'exosphere_fatal'))
|
|
f.write(pk('<IIBBBBI16s', 0x048000, ex_size, 1, 0, 0, 0, 0xCCCCCCCC, b'exosphere'))
|
|
f.write(pk('<IIBBBBI16s', 0x056000, ms_size, 10, 0, 0, 0, 0xCCCCCCCC, b'mesosphere'))
|
|
f.write(pk('<IIBBBBI16s', 0x7C0000, fs_size, 0, 0, 0, 0, 0xCCCCCCCC, b'fusee'))
|
|
f.write(pk('<IIBBBBI16s', 0x7E0000, rb_size, 3, 0, 0, 0, 0xCCCCCCCC, b'rebootstub'))
|
|
f.write(pk('<IIBBBBI16s', 0x100000, len(emummc), 8, 0, 0, 0, 0xCCCCCCCC, b'emummc'))
|
|
ofs = (0x100000 + len(emummc) + 0xF) & ~0xF
|
|
for kip_name in KIP_NAMES:
|
|
kip_data = kips[kip_name]
|
|
f.write(pk('<IIBBBBI16s', ofs, len(kip_data), 6, 0, 0, 0, 0xCCCCCCCC, kip_name))
|
|
ofs += len(kip_data)
|
|
ofs += 0xF
|
|
ofs &= ~0xF
|
|
# Pad to kip metas.
|
|
f.write(b'\xCC' * (0x400 - 0x40 - (0x20 * (8 + len(KIP_NAMES)))))
|
|
# Write emummc_meta. */
|
|
write_kip_meta(f, emummc, 0x100000)
|
|
# Write kip metas
|
|
ofs = (0x100000 + len(emummc) + 0xF) & ~0xF
|
|
for kip_name in KIP_NAMES:
|
|
kip_data = kips[kip_name]
|
|
write_kip_meta(f, kip_data, ofs)
|
|
ofs += len(kip_data)
|
|
ofs += 0xF
|
|
ofs &= ~0xF
|
|
# Pad to end of header
|
|
f.write(b'\xCC' * (0x800 - (0x400 + (1 + len(KIP_NAMES)) * 0x30)))
|
|
|
|
def write_kips(f, all_kips):
|
|
# Unpack kips
|
|
emummc, kips = all_kips
|
|
# Write emummc
|
|
f.write(emummc)
|
|
# Write kips
|
|
tot = len(emummc)
|
|
if (tot & 0xF):
|
|
f.write(b'\xCC' * (0x10 - (tot & 0xF)))
|
|
tot += 0xF
|
|
tot &= ~0xF
|
|
for kip_name in KIP_NAMES:
|
|
kip_data = kips[kip_name]
|
|
f.write(kip_data)
|
|
tot += len(kip_data)
|
|
if (tot & 0xF):
|
|
f.write(b'\xCC' * (0x10 - (tot & 0xF)))
|
|
tot += 0xF
|
|
tot &= ~0xF
|
|
# Pad to 3 MB
|
|
f.write(b'\xCC' * (0x300000 - tot))
|
|
|
|
def main(argc, argv):
|
|
if argc != 13:
|
|
print('Usage: %s ams_dir build_out_dir build_boot_out_dir revision major minor micro relstep s_major s_minor s_micro s_relstep' % argv[0])
|
|
return 1
|
|
# Parse arguments
|
|
ams_dir = argv[1]
|
|
build_out_dir = argv[2]
|
|
build_boot_out_dir = argv[3]
|
|
revision = int(argv[4][:8], 16)
|
|
major = int(argv[5])
|
|
minor = int(argv[6])
|
|
micro = int(argv[7])
|
|
relstep = int(argv[8])
|
|
s_major = int(argv[9])
|
|
s_minor = int(argv[10])
|
|
s_micro = int(argv[11])
|
|
s_relstep = int(argv[12])
|
|
# Read/parse fusee
|
|
fusee_program = read_file(os.path.join(ams_dir, 'fusee/program/%s/program.bin' % build_boot_out_dir))
|
|
fusee_bin = read_file(os.path.join(ams_dir, 'fusee/%s/fusee.bin' % build_boot_out_dir))
|
|
erista_mtc = get_overlay(fusee_program, 1)
|
|
mariko_mtc = get_overlay(fusee_program, 2)
|
|
erista_hsh = hashlib.sha256(erista_mtc[:-4]).digest()[:4]
|
|
mariko_hsh = hashlib.sha256(mariko_mtc[:-4]).digest()[:4]
|
|
# Read other files
|
|
exosphere = read_file(os.path.join(ams_dir, 'exosphere/%s/exosphere.bin' % build_out_dir))
|
|
warmboot = read_file(os.path.join(ams_dir, 'exosphere/warmboot/%s/warmboot.bin' % build_boot_out_dir))
|
|
mariko_fatal = read_file(os.path.join(ams_dir, 'exosphere/mariko_fatal/%s/mariko_fatal.bin' % build_out_dir))
|
|
rebootstub = read_file(os.path.join(ams_dir, 'exosphere/program/rebootstub/%s/rebootstub.bin' % build_boot_out_dir))
|
|
mesosphere = read_file(os.path.join(ams_dir, 'mesosphere/%s/mesosphere.bin' % build_out_dir))
|
|
all_kips = get_kips(ams_dir, build_out_dir)
|
|
tsec_keygen = read_file(os.path.join(ams_dir, 'fusee/program/tsec_keygen/tsec_keygen.bin'))
|
|
splash_bin = read_file(os.path.join(ams_dir, 'img/splash.bin'))
|
|
assert len(splash_bin) == 0x3C0000
|
|
with open(os.path.join(ams_dir, 'fusee/%s/package3' % build_boot_out_dir), 'wb') as f:
|
|
# Write header
|
|
write_header(f, all_kips, len(warmboot), len(tsec_keygen), len(mariko_fatal), len(exosphere), len(mesosphere), len(fusee_bin), len(rebootstub), revision, major, minor, micro, relstep, s_major, s_minor, s_micro, s_relstep)
|
|
# Write warmboot
|
|
f.write(pad(warmboot, 0x1800))
|
|
# Write TSEC Keygen
|
|
f.write(pad(tsec_keygen, 0x2000))
|
|
# Write Mariko Fatal
|
|
f.write(pad(mariko_fatal, 0x1C000))
|
|
# Write Erista MTC
|
|
f.write(erista_mtc[:-4] + erista_hsh)
|
|
# Write Mariko MTC
|
|
f.write(mariko_mtc[:-4] + mariko_hsh)
|
|
# Write exosphere
|
|
f.write(pad(exosphere, 0xE000))
|
|
# Write mesosphere
|
|
f.write(pad(mesosphere, 0xAA000))
|
|
# Write kips
|
|
write_kips(f, all_kips)
|
|
# Write Splash Screen
|
|
f.write(splash_bin)
|
|
# Write fusee
|
|
f.write(pad(fusee_bin, 0x20000))
|
|
# Write rebootstub
|
|
f.write(pad(rebootstub, 0x1000))
|
|
# Pad to 8 MB
|
|
f.write(b'\xCC' * (0x800000 - 0x7E1000))
|
|
|
|
|
|
return 0
|
|
|
|
if __name__ == '__main__':
|
|
sys.exit(main(len(sys.argv), sys.argv))
|