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fusee_cpp: implement package2 rebuild/kip patching

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Michael Scire 2021-09-03 18:34:20 -07:00 • committed by SciresM
parent 968ced677e
commit e5106ffa2c
10 changed files with 330 additions and 19 deletions
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33
fusee_cpp/program/split_bin.py
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@ -23,7 +23,7 @@ def get_overlay(program, i):
KIP_NAMES = ['Loader', 'NCM', 'ProcessManager', 'sm', 'boot', 'spl', 'ams_mitm']
def get_kips():
emummc = read_file('../../../../emummc/emummc.kip')
emummc = read_file('../../../../emummc/emummc_unpacked.kip')
loader = read_file('../../../../stratosphere/loader/loader.kip')
ncm = read_file('../../../../stratosphere/ncm/ncm.kip')
pm = read_file('../../../../stratosphere/pm/pm.kip')
@ -45,11 +45,11 @@ def write_kip_meta(f, kip, ofs):
# Write program id
f.write(kip[0x10:0x18])
# Write offset, size
f.write(pk('<II', ofs, len(kip)))
f.write(pk('<II', ofs - 0x100000, len(kip)))
# Write hash
f.write(hashlib.sha256(kip).digest())
def write_header(f, all_kips):
def write_header(f, all_kips, meso_size):
# Unpack kips
emummc, kips = all_kips
# Write reserved0 (previously entrypoint) as infinite loop instruction.
@ -58,15 +58,17 @@ def write_header(f, all_kips):
f.write(pk('<I', 0x20))
# Write flags
f.write(pk('<I', 0x00000000))
# Write meso_size
f.write(pk('<I', meso_size))
# Write num_kips
f.write(pk('<I', len(KIP_NAMES)))
# Write reserved2
f.write(b'\xCC' * 0x10)
# Write reserved1
f.write(b'\xCC' * 0xC)
# Write magic
f.write('FSS0')
# Write total size
f.write(pk('<I', 0x800000))
# Write reserved3
# Write reserved2
f.write(pk('<I', 0xCCCCCCCC))
# Write content_header_offset
f.write(pk('<I', 0x40))
@ -87,21 +89,25 @@ def write_header(f, all_kips):
f.write(pk('<IIBBBBI16s', 0x7C0000, 0x020000, 0, 0, 0, 0, 0xCCCCCCCC, 'fusee'))
f.write(pk('<IIBBBBI16s', 0x7E0000, 0x001000, 3, 0, 0, 0, 0xCCCCCCCC, 'rebootstub'))
f.write(pk('<IIBBBBI16s', 0x100000, len(emummc), 8, 0, 0, 0, 0xCCCCCCCC, 'emummc'))
ofs = 0x100000 + len(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)
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)))
@ -112,10 +118,18 @@ def write_kips(f, all_kips):
f.write(emummc)
# Write kips
tot = len(emummc)
if (tot & 0xF):
f.write('\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('\xCC' * (0x10 - (tot & 0xF)))
tot += 0xF
tot &= ~0xF
# Pad to 3 MB
f.write(b'\xCC' * (0x300000 - tot))
@ -137,11 +151,12 @@ def main(argc, argv):
erista_hsh = hashlib.sha256(erista_mtc[:-4]).digest()[:4]
mariko_hsh = hashlib.sha256(mariko_mtc[:-4]).digest()[:4]
fusee_program = lz4_compress(data[:0x2B000 - 8] + erista_hsh + mariko_hsh + get_overlay(data, 0)[:0x11000])
mesosphere = read_file('../../../../mesosphere/mesosphere%s.bin' % target)
with open('../../program%s.lz4' % target, 'wb') as f:
f.write(fusee_program)
with open('../../fusee-boogaloo%s.bin' % target, 'wb') as f:
# Write header
write_header(f, all_kips)
write_header(f, all_kips, len(mesosphere))
# Write warmboot
f.write(pad(read_file('../../../../exosphere/warmboot%s.bin' % target), 0x1800))
# Write TSEC Keygen