46 lines
1.4 KiB
Python
46 lines
1.4 KiB
Python
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# -*- coding: utf-8 -*-
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import sys
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import zlib
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from pathlib import Path
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def main():
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if len(sys.argv) < 3:
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print("Usage: pad_bin.py <input.bin> <output_padded.bin> [align] [output_info.txt]")
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sys.exit(1)
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input_path = Path(sys.argv[1])
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output_path = Path(sys.argv[2])
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align = int(sys.argv[3], 16) if len(sys.argv) > 3 else 0x100
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info_txt_path = Path(sys.argv[4]) if len(sys.argv) > 4 else output_path.with_suffix(".txt")
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with input_path.open("rb") as f:
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data = f.read()
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pad_len = (align - (len(data) % align)) % align
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data_padded = data + b'\xFF' * pad_len
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crc32_val = zlib.crc32(data_padded) & 0xFFFFFFFF
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with output_path.open("wb") as f:
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f.write(data_padded)
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size_hex = f"{len(data_padded):08X}"
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size_formatted = ' '.join([size_hex[i:i+2] for i in range(0, len(size_hex), 2)])
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crc_hex = f"{crc32_val:08X}"
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crc_formatted = ' '.join([crc_hex[i:i+2] for i in range(0, len(crc_hex), 2)])
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with info_txt_path.open("w") as f:
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f.write(f"Size: 0x{len(data_padded):08X}\n")
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f.write(f"CRC32: 0x{crc32_val:08X}\n")
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f.write(size_formatted +' '+ crc_formatted + '\n')
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print(f"Padded BIN written to: {output_path}")
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print(f"Size: {len(data_padded)} bytes")
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print(f"CRC32: 0x{crc32_val:08X}")
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print(size_formatted +' '+ crc_formatted)
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print(f"Info saved to: {info_txt_path}")
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if __name__ == "__main__":
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main()
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