mirror of
https://github.com/bkerler/edl
synced 2024-11-22 02:56:25 +00:00
52 lines
1.8 KiB
Python
Executable File
52 lines
1.8 KiB
Python
Executable File
#!/usr/bin/env python3
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# -*- coding: utf-8 -*-
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# (c) B.Kerler 2018-2024 under GPLv3 license
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# If you use my code, make sure you refer to my name
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#
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# !!!!! If you use this code in commercial products, your product is automatically
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# GPLv3 and has to be open sourced under GPLv3 as well. !!!!!
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# Beagle to EDL Loader
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import sys
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from struct import unpack
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def main():
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if len(sys.argv) < 2:
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print("Usage: ./beagle_to_loader.py [beagle_log.bin] [loader.elf]")
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sys.exit(0)
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with open(sys.argv[1], "rb") as rf:
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data = rf.read()
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outdata = bytearray()
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i = 0
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seq = b"\x03\x00\x00\x00\x14\x00\x00\x00\x0D\x00\x00\x00"
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with open(sys.argv[2], "wb") as wf:
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while True:
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idx = data.find(seq)
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if idx == -1:
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if i == 0:
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seq = b"\x12\x00\x00\x00\x20\x00\x00\x00\x0D\x00\x00\x00\x00\x00\x00\x00"
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i += 1
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continue
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else:
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break
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else:
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cmd = unpack("<I", data[idx:idx + 4])[0]
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if cmd == 0x03:
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cmd, tlen, slen, offset, length = unpack("<IIIII", data[idx:idx + 0x14])
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elif cmd == 0x12:
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cmd, tlen, slen, offset, length = unpack("<IIQQQ", data[idx:idx + 0x20])
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data = data[idx + 0x14:]
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print("Offset : %08X Length: %08X" % (offset, length))
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while len(outdata) < offset + length:
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outdata.append(0xFF)
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outdata[offset:offset + length] = data[:length]
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i += 1
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wf.write(outdata)
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print("Done.")
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if __name__ == "__main__":
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main()
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