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Atmosphere/emummc/tools/kip1converter.py
Michael Scire b7a370b156 git subrepo clone --branch=develop https://github.com/m4xw/emuMMC emummc
subrepo:
  subdir:   "emummc"
  merged:   "e72e8f1c"
upstream:
  origin:   "https://github.com/m4xw/emuMMC"
  branch:   "develop"
  commit:   "e72e8f1c"
git-subrepo:
  version:  "0.4.0"
  origin:   "https://github.com/ingydotnet/git-subrepo"
  commit:   "5d6aba9"
2019-06-15 21:37:41 -07:00

54 lines
1.3 KiB
Python

# Modified kip1 conversion script, originally by jakibaki
# Used for dev purposes, will be replaced in the future
from struct import pack, unpack
from sys import argv
f = open(argv[1], "rb")
header_start = f.read(0x20)
section_names = [".text", ".rodata", ".data", ".bss"]
sections = []
for i in range(6):
section_bytes = f.read(0x10)
section = {}
if i < len(section_names):
section["Name"] = section_names[i]
section["OutOffset"], section["DecompressedSize"], section["CompressedSize"], section["Attribute"] = unpack(
"IIII", section_bytes)
sections.append(section)
print(section)
assert (sections[3]["OutOffset"] + sections[3]["DecompressedSize"]) % 0x1000 == 0
kernel_caps = []
for i in range(0x20):
val, = unpack("I", f.read(4))
kernel_caps.append(val)
f.seek(0x100)
for i in range(3):
section = sections[i]
section["Buffer"] = f.read(section["DecompressedSize"])
print(f.read())
f.close()
f = open(argv[2], "wb")
for i in range(3):
section = sections[i]
f.seek(section["OutOffset"])
f.write(section["Buffer"])
f.seek(sections[3]["OutOffset"])
f.write(b'\0' * sections[3]["DecompressedSize"])
caps = open("emummc.caps", "wb")
for i in range(0x20):
caps.write(pack("I", kernel_caps[i]))