mirror of
https://github.com/Polprzewodnikowy/SummerCart64.git
synced 2024-11-24 14:46:53 +01:00
51 lines
1.1 KiB
Python
51 lines
1.1 KiB
Python
#!/usr/bin/env python3
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import subprocess
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import sys
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if __name__ == '__main__':
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if (len(sys.argv) != 2):
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print(f'Usage: python {sys.argv[0]} file_path')
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sys.exit(1)
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ALIGN = 1024
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CHECKSUM_SIZE = 0x101000
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bin_file = sys.argv[1]
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try:
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bin_data = b''
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with open(bin_file, 'rb') as f:
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bin_data = f.read()
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pad_size = CHECKSUM_SIZE - len(bin_data)
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if (pad_size > 0):
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bin_data += b'\xFF' * pad_size
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with open(bin_file, 'wb') as f:
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f.write(bin_data)
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subprocess.run(['chksum64', bin_file])
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with open(bin_file, 'rb') as f:
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bin_data = f.read()
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bin_data = bin_data.strip(b'\xFF')
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modulo = len(bin_data) % ALIGN
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if (modulo > 0):
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bin_data += b'\xFF' * (ALIGN - modulo)
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with open(bin_file, 'wb') as f:
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f.write(bin_data)
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except FileNotFoundError as e:
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print(f'Couldn\'t open file "{bin_file}" {e}')
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sys.exit(2)
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except Exception as e:
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print(e)
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sys.exit(3)
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