mirror of
https://github.com/bkerler/Loaders.git
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43 lines
1.1 KiB
Python
43 lines
1.1 KiB
Python
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#!/usr/bin/env python3
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# Beagle to EDL Loader (c) B.Kerler 2021
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import os,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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