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GeckoLoader/GeckoLoader.py

303 lines
15 KiB
Python

#Written by JoshuaMK 2020
import sys
import os
import random
import shutil
import argparse
from distutils.version import LooseVersion
sys.path.extend([os.path.join(os.path.dirname(__file__), 'imports')])
from kernel import *
from access import *
from versioncheck import Updater
try:
import colorama
from colorama import Fore, Style
colorama.init()
TRESET = Style.RESET_ALL
TGREEN = Fore.GREEN
TGREENLIT = Style.BRIGHT + Fore.GREEN
TYELLOW = Fore.YELLOW
TYELLOWLIT = Style.BRIGHT + Fore.YELLOW
TRED = Fore.RED
TREDLIT = Style.BRIGHT + Fore.RED
except ImportError:
TRESET = ''
TGREEN = ''
TGREENLIT = ''
TYELLOW = ''
TYELLOWLIT = ''
TRED = ''
TREDLIT = ''
__version__ = 'v5.1.0'
def resource_path(relative_path: str):
""" Get absolute path to resource, works for dev and for PyInstaller """
base_path = getattr(sys, '_MEIPASS', os.path.dirname(os.path.abspath(__file__)))
return os.path.join(base_path, relative_path)
def determine_codehook(dolFile: DolFile, codeHandler: CodeHandler):
if codeHandler.hookAddress == None:
assert_code_hook(dolFile, codeHandler, GCNVIHOOK, WIIVIHOOK)
else:
insert_code_hook(dolFile, codeHandler, codeHandler.hookAddress)
def assert_code_hook(dolFile: DolFile, codeHandler: CodeHandler, gcnhook: bytes, wiihook: bytes):
for offset, address, size in dolFile.textSections:
dolFile.seek(address, 0)
sample = dolFile.read(size)
result = sample.find(gcnhook)
if result >= 0:
dolFile.seek(address, 0)
dolFile.seek(result, 1)
else:
result = sample.find(wiihook)
if result >= 0:
dolFile.seek(address, 0)
dolFile.seek(result, 1)
else:
continue
sample = read_uint32(dolFile)
while sample != 0x4E800020:
sample = read_uint32(dolFile)
dolFile.seek(-4, 1)
codeHandler.hookAddress = dolFile.tell()
insert_code_hook(dolFile, codeHandler, codeHandler.hookAddress)
return
parser.error(color_text('Failed to find a hook address. Try using option --codehook to use your own address\n', defaultColor=TREDLIT))
def insert_code_hook(dolFile: DolFile, codeHandler: CodeHandler, address: int):
dolFile.seek(address)
if read_uint32(dolFile) != 0x4E800020:
parser.error(color_text("Codehandler hook given is not a blr\n", defaultColor=TREDLIT))
dolFile.seek(-4, 1)
dolFile.insert_branch(codeHandler.startAddress, address, lk=0)
def sort_file_args(fileA, fileB):
if os.path.splitext(fileA)[1].lower() == '.dol':
dolFile = fileA
gctFile = fileB
elif os.path.splitext(fileB)[1].lower() == '.dol':
dolFile = fileB
gctFile = fileA
else:
parser.error(color_text('No dol file was passed\n', defaultColor=TREDLIT))
return dolFile, gctFile
if __name__ == "__main__":
parser = CommandLineParser(prog='GeckoLoader ' + __version__,
description='Process files and allocations for GeckoLoader',
allow_abbrev=False)
parser.add_argument('dolfile', help='DOL file')
parser.add_argument('codelist', help='Folder or Gecko GCT|TXT file')
parser.add_argument('-a', '--alloc',
help='Define the size of the code allocation in hex, only applies when using the ARENA space',
metavar ='SIZE')
parser.add_argument('-i', '--init',
help='Define where geckoloader is injected in hex',
metavar='ADDRESS')
parser.add_argument('-m', '--movecodes',
help='''Choose if geckoloader moves the codes to OSArenaHi,
or the legacy space. Default is "AUTO",
which auto decides where to insert the codes''',
default='AUTO',
choices=['AUTO', 'LEGACY', 'ARENA'],
metavar='TYPE')
parser.add_argument('-tc', '--txtcodes',
help='''What codes get parsed when a txt file is used.
"ALL" makes all codes get parsed,
"ACTIVE" makes only activated codes get parsed.''',
default='active',
metavar='TYPE')
parser.add_argument('--handler',
help='''Which codeHandler gets used. "MINI" uses a smaller codeHandler
which only supports (0x, 2x, Cx, and E0 types) and supports up to
600 lines of gecko codes when using the legacy codespace.
"FULL" is the standard codeHandler, supporting up to 350 lines of code
in the legacy codespace.
"MINI" should only be considered if using the legacy codespace''',
default='FULL',
choices=['MINI', 'FULL'],
metavar='TYPE')
parser.add_argument('--codehook',
help='''Choose where the codeHandler hooks to, needs to exist at a blr instruction''',
metavar='ADDRESS')
parser.add_argument('-q', '--quiet',
help='Print nothing to the console',
action='store_true')
parser.add_argument('-v', '--verbose',
help='Print extra info to the console',
default=0,
action='count')
parser.add_argument('-o', '--optimize',
help='''Optimizes the codelist by directly patching qualifying
ram writes into the dol file, and removing them from the codelist''',
action='store_true')
parser.add_argument('-p', '--protect',
help='''Targets and nullifies the standard codeHandler provided by loaders and Dolphin Emulator,
only applies when the ARENA is used (Can be forced using option (-m|--movecodes))''',
action='store_true')
parser.add_argument('--dest',
help='Target path to put the modified DOL, can be a folder or file',
metavar='PATH')
parser.add_argument('--check-update',
help='''Checks to see if a new update exists on the GitHub Repository releases page,
this option overrides all other commands.''',
action='store_true')
if len(sys.argv) == 1:
version = __version__.rjust(9, ' ')
if os.path.normpath(os.path.join(os.path.expanduser('~'), "AppData", "Roaming")) in os.path.dirname(__file__):
helpMessage = 'Try the command: GeckoLoader -h'.center(64, ' ')
else:
if os.path.splitext(__file__)[1].lower() == ".py":
helpMessage = 'Try the command: python GeckoLoader.py -h'.center(64, ' ')
else:
helpMessage = 'Try the command: .\GeckLoader.exe -h'.center(64, ' ')
logo = [' ',
' ╔═══════════════════════════════════════════════════════════╗ ',
' ║ ║ ',
' ║ ┌───┐┌───┐┌───┐┌┐┌─┐┌───┐┌┐ ┌───┐┌───┐┌───┐┌───┐┌───┐ ║ ',
' ║ │┌─┐││┌──┘│┌─┐││││┌┘│┌─┐│││ │┌─┐││┌─┐│└┐┌┐││┌──┘│┌─┐│ ║ ',
' ║ ││ └┘│└──┐││ └┘│└┘┘ ││ ││││ ││ ││││ ││ │││││└──┐│└─┘│ ║ ',
' ║ ││┌─┐│┌──┘││ ┌┐│┌┐│ ││ ││││ ┌┐││ │││└─┘│ │││││┌──┘│┌┐┌┘ ║ ',
' ║ │└┴─││└──┐│└─┘││││└┐│└─┘││└─┘││└─┘││┌─┐│┌┘└┘││└──┐│││└┐ ║ ',
' ║ └───┘└───┘└───┘└┘└─┘└───┘└───┘└───┘└┘ └┘└───┘└───┘└┘└─┘ ║ ',
' ║ ║ ',
' ║ ┌┐┌───┐┌───┐┌┐ ┌┐┌┐ ┌┐┌───┐┌─┐┌─┐┌┐┌─┐ ║ ',
' ║ │││┌─┐││┌─┐│││ ││││ │││┌─┐││ └┘ ││││┌┘ ║ ',
' ║ ││││ │││└──┐│└─┘│││ ││││ │││┌┐┌┐││└┘┘ ║ ',
' ║ ┌──┐┌┐││││ ││└──┐││┌─┐│││ │││└─┘││││││││┌┐│ ┌──┐ ║ ',
' ║ └──┘│└┘││└─┘││└─┘│││ │││└─┘││┌─┐││││││││││└┐└──┘ ║ ',
' ║ └──┘└───┘└───┘└┘ └┘└───┘└┘ └┘└┘└┘└┘└┘└─┘ ║ ',
f'{version}',
' ╚═══════════════════════════════════════════════════════════╝ ',
' ',
' GeckoLoader is a cli tool for allowing extended ',
' gecko code space in all Wii and GC games. ',
' ',
f'{helpMessage}',
' ']
for line in logo:
print(color_text(line, [('', TREDLIT), ('╔╚╝╗═', TRED)], TGREENLIT))
sys.exit(0)
elif '--check-update' in sys.argv:
repoChecker = Updater('JoshuaMKW', 'GeckoLoader')
tag, status = repoChecker.get_newest_version()
print('')
if status is False:
parser.error(color_text(tag + '\n', defaultColor=TREDLIT), print_usage=False)
if LooseVersion(tag) > LooseVersion(__version__):
print(color_text(f' :: A new update is live at {repoChecker.gitReleases.format(repoChecker.owner, repoChecker.repo)}', defaultColor=TYELLOWLIT))
print(color_text(f' :: Current version is "{__version__}", Most recent version is "{tag}"', defaultColor=TYELLOWLIT))
elif LooseVersion(tag) < LooseVersion(__version__):
print(color_text(' :: No update available', defaultColor=TGREENLIT))
print(color_text(f' :: Current version is "{__version__}(dev)", Most recent version is "{tag}(release)"', defaultColor=TGREENLIT))
else:
print(color_text(' :: No update available', defaultColor=TGREENLIT))
print(color_text(f' :: Current version is "{__version__}(release)", Most recent version is "{tag}(release)"', defaultColor=TGREENLIT))
print('')
sys.exit(0)
args = parser.parse_args()
if args.alloc:
try:
_allocation = int(args.alloc, 16)
except ValueError:
parser.error(color_text('The allocation was invalid\n', defaultColor=TREDLIT))
else:
_allocation = None
if args.codehook:
if 0x80000000 > int(args.codehook, 16) >= 0x81800000:
parser.error(color_text('The codeHandler hook address was beyond bounds\n', defaultColor=TREDLIT))
else:
try:
_codehook = int(args.codehook, 16)
except ValueError:
parser.error(color_text('The codeHandler hook address was invalid\n', defaultColor=TREDLIT))
else:
_codehook = None
if args.handler:
if args.handler == 'MINI':
codeHandlerFile = 'codehandler-mini.bin'
else:
codeHandlerFile = 'codehandler.bin'
else:
codeHandlerFile = 'codehandler.bin'
try:
if not os.path.isfile(args.dolfile):
parser.error(color_text(f'File "{args.dolfile}" does not exist\n', defaultColor=TREDLIT))
if not os.path.exists(args.codelist):
parser.error(color_text(f'File/folder "{args.codelist}" does not exist\n', defaultColor=TREDLIT))
tmpdir = ''.join(random.choice('1234567890-_abcdefghijklomnpqrstuvwxyz') for i in range(6)) + '-GeckoLoader'
with open(resource_path(os.path.join('bin', os.path.normpath(codeHandlerFile))), 'rb') as handler:
codeHandler = CodeHandler(handler)
codeHandler.allocation = _allocation
codeHandler.hookAddress = _codehook
codeHandler.includeAll = args.txtcodes
with open(resource_path(os.path.join('bin', 'geckoloader.bin')), 'rb') as kernelfile:
geckoKernel = KernelLoader(kernelfile)
if args.init is not None:
geckoKernel.initAddress = args.init.lstrip("0x").upper()
geckoKernel.codeLocation = args.movecodes
geckoKernel.verbosity = args.verbose
geckoKernel.quiet = args.quiet
with open(os.path.normpath(args.dolfile), 'rb') as dol:
dolFile = DolFile(dol)
codeHandler.optimizeList = args.optimize
geckoKernel.protect = args.protect
if args.dest:
if os.path.splitext(args.dest)[1] == "":
dest = os.path.normpath(os.path.join(os.getcwd(), args.dest.lstrip('\\').lstrip('/'), os.path.basename(args.dolfile)))
else:
dest = os.path.normpath(os.path.join(os.getcwd(), args.dest.lstrip('\\').lstrip('/')))
else:
dest = os.path.normpath(os.path.join(os.getcwd(), "BUILD", os.path.basename(args.dolfile)))
if not os.path.exists(dest) and os.path.dirname(dest) not in ('', '/'):
os.makedirs(os.path.dirname(dest), exist_ok=True)
if not os.path.exists(os.path.abspath(tmpdir)):
os.mkdir(tmpdir)
geckoKernel.build(parser, args.codelist, dolFile, codeHandler, tmpdir, dest)
shutil.rmtree(tmpdir)
sys.exit(0)
except FileNotFoundError as e:
parser.error(color_text(e + '\n', defaultColor=TREDLIT))