379 lines
No EOL
15 KiB
Python
379 lines
No EOL
15 KiB
Python
import sys
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import re
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from io import BytesIO
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from dolreader import *
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from access import *
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try:
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import chardet
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except ImportError as IE:
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print(IE)
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sys.exit(1)
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HEAP = b'HEAP'
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LOADERSIZE = b'LSIZ'
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HANDLERSIZE = b'HSIZ'
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CODESIZE = b'CSIZ'
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CODEHOOK = b'HOOK'
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DH = b'DH'
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DL = b'DL'
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GH = b'GH'
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GL = b'GL'
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IH = b'IH'
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IL = b'IL'
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WIIVIHOOK = b'\x7C\xE3\x3B\x78\x38\x87\x00\x34\x38\xA7\x00\x38\x38\xC7\x00\x4C'
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GCNVIHOOK = b'\x7C\x03\x00\x34\x38\x83\x00\x20\x54\x85\x08\x3C\x7C\x7F\x2A\x14\xA0\x03\x00\x00\x7C\x7D\x2A\x14\x20\xA4\x00\x3F\xB0\x03\x00\x00'
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def get_alignment(number, align: int):
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if number % align != 0:
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return align - (number % align)
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else:
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return 0
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def get_size(file, offset=0):
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""" Return a file's size in bytes """
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file.seek(0, 2)
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return file.tell() + offset
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def get_file_alignment(file, alignment: int):
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""" Return file alignment, 0 = aligned, non zero = misaligned """
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size = get_size(file)
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return get_alignment(size, alignment)
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def align_file(file, alignment: int, fillchar='00'):
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""" Align a file to be the specified size """
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file.write(bytes.fromhex(fillchar * get_file_alignment(file, alignment)))
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class GCT(object):
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def __init__(self, f):
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self.codelist = BytesIO(f.read())
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self.rawlinecount = get_size(f) >> 3
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self.linecount = self.rawlinecount - 2
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self.size = get_size(f)
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f.seek(0)
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def determine_codelength(self, codetype, info):
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if codetype.startswith(b'\x06'):
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bytelength = int.from_bytes(info, byteorder='big', signed=False)
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padding = get_alignment(bytelength, 8)
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return 0x8 + bytelength + padding
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elif (codetype.startswith(b'\x08') or codetype.startswith(b'\x09')
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or codetype.startswith(b'\x18') or codetype.startswith(b'\x18')):
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return 0x16
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elif (codetype.startswith(b'\xC2') or codetype.startswith(b'\xC4')
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or codetype.startswith(b'\xC3') or codetype.startswith(b'\xC5')
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or codetype.startswith(b'\xD2') or codetype.startswith(b'\xD4')
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or codetype.startswith(b'\xD3') or codetype.startswith(b'\xD5')):
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return 0x8 + (int.from_bytes(info, byteorder='big', signed=False) << 3)
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elif (codetype.startswith(b'\xF2') or codetype.startswith(b'\xF3')
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or codetype.startswith(b'\xF4') or codetype.startswith(b'\xF5')):
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return 0x8 + (int.from_bytes(info[:2], byteorder='big', signed=False) << 3)
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elif codetype.startswith(b'\xF6'):
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return 0x8 + (int.from_bytes(info[:4], byteorder='big', signed=False) << 3)
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else:
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return 0x8
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def optimize_codelist(self, dolfile):
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codelist = b''
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skipcodes = 0
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while codetype := self.codelist.read(4):
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info = self.codelist.read(4)
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address = 0x80000000 | (int.from_bytes(codetype, byteorder='big', signed=False) & 0x01FFFFFF)
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try:
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if skipcodes <= 0:
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if (codetype.startswith(b'\x00') or codetype.startswith(b'\x01')
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or codetype.startswith(b'\x10') or codetype.startswith(b'\x11')):
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dolfile.seek(address)
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counter = int.from_bytes(info[:-2], byteorder='big', signed=False)
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value = info[2:]
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while counter + 1 > 0:
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dolfile.write(value[1:])
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counter -= 1
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continue
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elif (codetype.startswith(b'\x02') or codetype.startswith(b'\x03')
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or codetype.startswith(b'\x12') or codetype.startswith(b'\x13')):
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dolfile.seek(address)
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counter = int.from_bytes(info[:-2], byteorder='big', signed=False)
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value = info[2:]
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while counter + 1 > 0:
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dolfile.write(value)
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counter -= 1
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continue
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elif (codetype.startswith(b'\x04') or codetype.startswith(b'\x05')
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or codetype.startswith(b'\x14') or codetype.startswith(b'\x15')):
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dolfile.seek(address)
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dolfile.write(info)
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continue
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elif (codetype.startswith(b'\x06') or codetype.startswith(b'\x07')
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or codetype.startswith(b'\x16') or codetype.startswith(b'\x17')):
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dolfile.seek(address)
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arraylength = int.from_bytes(info, byteorder='big', signed=False)
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padding = get_alignment(arraylength, 8)
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while arraylength > 0:
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value = self.codelist.read(1)
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dolfile.write(value)
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arraylength -= 1
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self.codelist.seek(padding, 1)
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continue
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elif (codetype.startswith(b'\x08') or codetype.startswith(b'\x09')
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or codetype.startswith(b'\x18') or codetype.startswith(b'\x19')):
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dolfile.seek(address)
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value = int.from_bytes(info, byteorder='big', signed=False)
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data = self.codelist.read(2).hex()
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size = int(data[:-3], 16)
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counter = int(data[1:], 16)
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address_increment = int.from_bytes(self.codelist.read(2), byteorder='big', signed=False)
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value_increment = int.from_bytes(self.codelist.read(4), byteorder='big', signed=False)
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while counter + 1 > 0:
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if size == 0:
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dolfile.write(value.to_bytes(length=1, byteorder='big', signed=False))
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dolfile.seek(-1, 1)
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elif size == 1:
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dolfile.write(value.to_bytes(length=2, byteorder='big', signed=False))
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dolfile.seek(-2, 1)
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elif size == 2:
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dolfile.write(value.to_bytes(length=4, byteorder='big', signed=False))
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dolfile.seek(-4, 1)
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else:
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raise ValueError('Size type {} does not match 08 codetype specs'.format(size))
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dolfile.seek(address_increment, 1)
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value += value_increment
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counter -= 1
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if value > 0xFFFFFFFF:
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value -= 0x100000000
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continue
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elif (codetype.startswith(b'\xC6') or codetype.startswith(b'\xC7')
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or codetype.startswith(b'\xC6') or codetype.startswith(b'\xC7')):
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dolfile.seek(address)
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dolfile.insertBranch(int.from_bytes(info, byteorder='big', signed=False), dolfile.tell())
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continue
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if codetype.hex().startswith('2') or codetype.hex().startswith('3'):
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skipcodes += 1
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elif codetype.startswith(b'\xE0'):
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skipcodes -= 1
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elif codetype.startswith(b'\xF0'):
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codelist += b'\xF0\x00\x00\x00\x00\x00\x00\x00'
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break
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self.codelist.seek(-8, 1)
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length = self.determine_codelength(codetype, info)
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while length > 0:
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codelist += self.codelist.read(1)
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length -= 1
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except RuntimeError:
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self.codelist.seek(-8, 1)
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length = self.determine_codelength(codetype, info)
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while length > 0:
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codelist += self.codelist.read(1)
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length -= 1
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self.codelist = BytesIO(codelist)
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self.size = get_size(self.codelist)
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class CodeHandler(object):
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def _entryPoint__(self, f):
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self.codehandler = BytesIO(f.read())
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'''Get codelist pointer'''
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f.seek(0xFA)
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codelistUpper = f.read(2).hex()
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f.seek(0xFE)
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codelistLower = f.read(2).hex()
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self.codelistpointer = int(codelistUpper[2:] + codelistLower[2:], 16)
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self.handlerlength = get_size(f)
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self.initaddress = 0x80001800
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self.startaddress = 0x800018A8
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self.allocation = None
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self.hookaddress = None
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self.geckocodes = None
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if self.handlerlength < 0x900:
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self.type = "Mini"
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else:
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self.type = "Full"
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f.seek(0)
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def geckoParser(self, geckoText, parseAll=False):
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with open(r'{}'.format(geckoText), 'rb') as gecko:
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result = chardet.detect(gecko.read())
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encodeType = result['encoding']
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with open(r'{}'.format(geckoText), 'r', encoding=encodeType) as gecko:
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geckoCodes = ''
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state = None
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for line in gecko.readlines():
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if line in ('', '\n'):
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continue
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if state is None:
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if line.startswith('$'):
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state = 'Dolphin'
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else:
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state = 'OcarinaM'
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try:
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if state == 'OcarinaM':
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if parseAll.lower() == 'all':
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geckoLine = re.findall(r'[A-F0-9]{8}[\t\f ][A-F0-9]{8}', line, re.IGNORECASE)[0]
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elif parseAll.lower() == 'active':
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geckoLine = re.findall(r'(?:\*\s*)([A-F0-9]{8}[\t\f ][A-F0-9]{8})', line, re.IGNORECASE)[0]
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else:
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geckoLine = re.findall(r'(?:\*\s*)([A-F0-9]{8}[\t\f ][A-F0-9]{8})', line, re.IGNORECASE)[0]
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else:
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geckoLine = re.findall(r'(?<![$\*])[A-F0-9]{8}[\t\f ][A-F0-9]{8}', line, re.IGNORECASE)[0]
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except IndexError:
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continue
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geckoCodes += geckoLine.replace(' ', '').strip()
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return geckoCodes
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class KernelLoader:
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def __init__(self, f):
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self.rawData = BytesIO(f.read())
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self.initDataList = None
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self.gpModDataList = None
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self.gpDiscDataList = None
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def fill_loader_data(self, tmp, entryPoint: list, lowerAddr: int):
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tmp.seek(0)
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if self.gpModDataList is None or self.gpDiscDataList is None:
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return
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while sample := tmp.read(2):
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if sample == DH:
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tmp.seek(-2, 1)
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tmp.write(self.gpDiscDataList[0])
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elif sample == DL:
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tmp.seek(-2, 1)
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tmp.write((lowerAddr + self.gpDiscDataList[1]).to_bytes(2, byteorder='big', signed=False))
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elif sample == GH:
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tmp.seek(-2, 1)
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tmp.write(self.gpModDataList[0])
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elif sample == GL:
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tmp.seek(-2, 1)
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tmp.write((lowerAddr + self.gpModDataList[1]).to_bytes(2, byteorder='big', signed=False))
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elif sample == IH:
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tmp.seek(-2, 1)
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tmp.write(entryPoint[0])
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elif sample == IL:
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tmp.seek(-2, 1)
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tmp.write(entryPoint[1])
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sample = tmp.read(2)
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def figure_loader_data(self, tmp, codehandler: CodeHandler, dolfile: DolFile, entrypoint: str, initpoint: list):
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upperAddr, lowerAddr = entrypoint[:int(len(entrypoint)/2)], entrypoint[int(len(entrypoint)/2):]
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tmp.seek(0)
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while sample := tmp.read(4):
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if sample == HEAP: #Found keyword "HEAP". Goes with the resize of the heap
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tmp.seek(-4, 1)
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gpModInfoOffset = tmp.tell()
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if int(lowerAddr, 16) + gpModInfoOffset > 0x7FFF: #Absolute addressing
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gpModUpperAddr = (int(upperAddr, 16) + 1).to_bytes(2, byteorder='big', signed=False)
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else:
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gpModUpperAddr = int(upperAddr, 16).to_bytes(2, byteorder='big', signed=False)
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if codehandler.allocation == None:
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codehandler.allocation = (codehandler.handlerlength + codehandler.geckocodes.size + 7) & 0xFFFFFFF8
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tmp.write(codehandler.allocation.to_bytes(4, byteorder='big', signed=False))
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elif sample == LOADERSIZE: #Found keyword "LSIZ". Goes with the size of the loader
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tmp.seek(-4, 1)
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tmp.write(get_size(self).to_bytes(4, byteorder='big', signed=False))
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elif sample == HANDLERSIZE: #Found keyword "HSIZ". Goes with the size of the codehandler
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tmp.seek(-4, 1)
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tmp.write(codehandler.handlerlength.to_bytes(4, byteorder='big', signed=True))
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elif sample == CODESIZE: #Found keyword "CSIZ". Goes with the size of the codes
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tmp.seek(-4, 1)
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tmp.write(codehandler.geckocodes.size.to_bytes(4, byteorder='big', signed=True))
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elif sample == CODEHOOK:
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tmp.seek(-4, 1)
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if codehandler.hookaddress == None:
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tmp.write(b'\x00\x00\x00\x00')
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else:
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tmp.write(codehandler.hookaddress.to_bytes(4, byteorder='big', signed=False))
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sample = tmp.read(4)
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gpDiscOffset = get_size(tmp, -4)
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if int(lowerAddr, 16) + gpDiscOffset > 0x7FFF: #Absolute addressing
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gpDiscUpperAddr = (int(upperAddr, 16) + 1).to_bytes(2, byteorder='big', signed=False)
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else:
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gpDiscUpperAddr = int(upperAddr, 16).to_bytes(2, byteorder='big', signed=False)
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self.gpModDataList = (gpModUpperAddr, gpModInfoOffset)
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self.gpDiscDataList = (gpDiscUpperAddr, gpDiscOffset)
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self.fill_loader_data(tmp, initpoint, int(lowerAddr, 16))
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tmp.seek(0, 2)
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codehandler.codehandler.seek(0)
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codehandler.geckocodes.codelist.seek(0)
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tmp.write(codehandler.codehandler.read() + codehandler.geckocodes.codelist.read())
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def patch_arena(self, codehandler: CodeHandler, tmp, dolfile: DolFile, entrypoint: str):
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tmp.write(self.read())
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geckoloader_offset = dolfile.get_size()
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self.figure_loader_data(tmp, codehandler, dolfile, entrypoint,
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[((dolfile.entryPoint >> 16) & 0xFFFF).to_bytes(2, byteorder='big', signed=False),
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(dolfile.entryPoint & 0xFFFF).to_bytes(2, byteorder='big', signed=False)])
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tmp.seek(0)
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dolfile.rawData.seek(0, 2)
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dolfile.rawData.write(tmp.read())
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dolfile.align(256)
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status = dolfile.append_text_sections([(int(entrypoint, 16), geckoloader_offset)])
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if status is True:
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dolfile.set_entry_point(int(entrypoint, 16))
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return status
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def patch_legacy(self, codehandler: CodeHandler, tmp, dolfile: DolFile):
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handlerOffset = dolfile.getsize()
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dolfile.rawData.seek(0, 2)
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codehandler.codehandler.seek(0)
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codehandler.geckocodes.codelist.seek(0)
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dolfile.rawData.write(codehandler.codehandler.read() + codehandler.geckocodes.codelist.read())
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dolfile.align(256)
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status = dolfile.append_text_sections([(codehandler.initaddress, handlerOffset)])
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return status |