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https://github.com/Polprzewodnikowy/N64FlashcartMenu.git
synced 2024-11-22 10:39:20 +01:00
40 lines
947 B
Python
40 lines
947 B
Python
#!/usr/bin/env python3
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import sys
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from subprocess import Popen, PIPE
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def get_rom_end(elf):
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p1 = Popen(f'readelf -s {elf}'.split(), stdout=PIPE)
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p2 = Popen('grep -m 1 __rom_end'.split(), stdin=p1.stdout, stdout=PIPE)
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stdout, _ = p2.communicate()
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rom_end = int(stdout.decode('UTF-8').split()[1], 16)
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rom_end &= 0x1FFFFFFF
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rom_end -= 0x400
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rom_end += 0x1000
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return rom_end
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if __name__ == '__main__':
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if (len(sys.argv) != 4):
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print(f'Usage: python {sys.argv[0]} elf input output')
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sys.exit(1)
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elf_file = sys.argv[1]
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input_file = sys.argv[2]
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output_file = sys.argv[3]
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ALIGN = 512
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rom_end = get_rom_end(elf_file)
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modulo = rom_end % ALIGN
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if (modulo > 0):
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rom_end += (ALIGN - modulo)
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minified_data = b''
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with open(input_file, 'rb') as f:
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minified_data = f.read(rom_end)
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with open(output_file, 'wb') as f:
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f.write(minified_data)
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