Restructure

beagle_to_loader.py

@@ -0,0 +1,43 @@
+#!/usr/bin/env python3
+# Beagle to EDL Loader (c) B.Kerler 2021
+
+import os,sys
+from struct import unpack
+
+def main():
+	if len(sys.argv)<2:
+		print("Usage: ./beagle_to_loader.py [beagle_log.bin] [loader.elf]")
+		sys.exit(0)
+	with open(sys.argv[1],"rb") as rf:
+		data=rf.read()
+		outdata=bytearray()
+		i=0
+		seq=b"\x03\x00\x00\x00\x14\x00\x00\x00\x0D\x00\x00\x00"
+		with open(sys.argv[2], "wb") as wf:
+			while True:
+				idx=data.find(seq)
+				if idx==-1:
+					if i==0:
+						seq=b"\x12\x00\x00\x00\x20\x00\x00\x00\x0D\x00\x00\x00\x00\x00\x00\x00"
+						i+=1
+						continue
+					else:
+						break
+				else:
+					cmd=unpack("<I", data[idx:idx+4])[0]
+					if cmd==0x03:
+						cmd,tlen,slen,offset,length=unpack("<IIIII",data[idx:idx+0x14])
+					elif cmd==0x12:
+						cmd, tlen, slen, offset, length = unpack("<IIQQQ", data[idx:idx + 0x20])
+					data = data[idx + 0x14:]
+					print("Offset : %08X Length: %08X" %(offset,length))
+					while len(outdata)<offset+length:
+						outdata.append(0xFF)
+					outdata[offset:offset+length]=data[:length]
+					i+=1
+			wf.write(outdata)
+
+		print("Done.")
+		
+if __name__=="__main__":
+	main()