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gamestabled
a87ddae432
* pull known Actor functions GLOBAL_ASMs into their cpp files * attempt to pull unidentified actor functions GLOBAL_ASMs into their corresponding source files by scanning the call-graph
42 lines
1.6 KiB
Python
42 lines
1.6 KiB
Python
# convert exefs to elf
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import os
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CODE_BIN = 'baserom/exefs/code.bin'
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DATADIR = 'data/'
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DATA_CHUNK_FILE = 'data_chunks.txt'
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RODATA_CHUNK_FILE = 'rodata_chunks.txt'
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SHT__INIT_ARRAY_FILE = 'SHT__INIT_ARRAY.txt'
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def prepare_dirs():
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os.makedirs(DATADIR, exist_ok=True)
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def split_data_chunks_to_asm() -> None:
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with open(CODE_BIN, 'rb') as b:
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for chunks_file in [DATA_CHUNK_FILE, RODATA_CHUNK_FILE, SHT__INIT_ARRAY_FILE]:
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with open(chunks_file) as data:
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for line in data:
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splitLine = line.split(',')
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chunkName = splitLine[0]
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chunkStart = int(splitLine[1].strip(), 16) - 0x100000
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chunkEnd = int(splitLine[2].strip(), 16) - 0x100000
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chunkSize = chunkEnd - chunkStart
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b.seek(chunkStart)
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chunkBin = b.read(chunkSize)
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with open(DATADIR + chunkName + '.s', 'w') as chunkARM:
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chunkARM.write(f"\tAREA |i.{chunkName}|, DATA, READWRITE\n\n")
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chunkARM.write(f"; {chunkName} : @ 0x{splitLine[1].strip()}\n")
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for i in range(0, chunkSize, 4):
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dataWordArray = chunkBin[i:i+4][::-1] # we need to reverse words due to little-endianness
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dataWordString = ''.join(hex(byte)[2:].upper().zfill(2) for byte in dataWordArray)
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chunkARM.write(f"\tDCD 0x{dataWordString}\n")
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chunkARM.write("\tEND\n")
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prepare_dirs()
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split_data_chunks_to_asm()
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