37 lines
1.1 KiB
Python
Executable File
37 lines
1.1 KiB
Python
Executable File
#!/usr/bin/env python3
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import argparse
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import sys
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import os
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import struct
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def main():
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parser = argparse.ArgumentParser(description="Dump verbs from Apple EFI resource file")
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parser.add_argument("file", nargs=1, help="Path to file")
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parser.add_argument("--decode", action="store_true")
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args = parser.parse_args()
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file = args.file[0]
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if not os.path.isfile(file):
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return "%s does not exists or is not a file" % (file)
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with open(args.file[0], "rb") as f:
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f.seek(16)
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size = struct.unpack("i", f.read(4))[0]
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for i in range(int(size / 8)):
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val = struct.unpack("i", f.read(4))[0]
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print("0x{0:08X}".format(val), end="")
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if (args.decode):
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node_id = (val >> 20) & 0xffff
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verb_id = (val >> 8) & 0xffff
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payload = val & 0xffff
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print(" (0x{0:02x} 0x{1:04x} 0x{2:02x})".format(node_id, verb_id, payload), end="")
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print()
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if __name__ == "__main__":
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result = main()
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if result:
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print("error: %s" % result)
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sys.exit(1)
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