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50 lines
1.6 KiB
Python
Executable File
50 lines
1.6 KiB
Python
Executable File
#!/usr/bin/env python3
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#############################################################################
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# hex2hex <inputfile> <outputfile> <memory-width> [-emf] [-offset]
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#
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# Script uses objcopy to dump a Verilog comptatible hex file
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#
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# The script assumes the hex file has max 16 byte entries per line
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#
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# Script also supports creating EMF transactions with one address per data
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#
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#############################################################################
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import sys
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import re
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hexin = sys.argv[1]
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hexout = sys.argv[2]
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width = int(int(sys.argv[3])/8) #needed for both
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emf = 0 # emf
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offset = 0 #TODO: specify as hex offset, only for emf
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###################################################
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# Read file into list and strip off trail junk
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list = [line.rstrip(' \n') for line in open(hexin)]
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###################################################
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# Loop through byte list and print to output file
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fileout=open(hexout,"w")
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for line in list:
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if (~line.find('@')): #detects new memory section
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address = offset + int(int(line.replace('@','',1),16)/8)
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if(emf):
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print ("Not Implemented")
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else:
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fileout.write("@"+format(address, 'x')+"\n")
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else: #write out data byte stream
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bytes=line.split(' ')
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length=len(bytes)
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for i in range(0,(16-length)): # zero extend buffer for simplicity
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bytes.append("00")
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for i in range(0,16,width):
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sublist=bytes[i:i+width]
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sublist.reverse()
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word=""
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word=word.join(sublist)
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if(emf):
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print ("Not Implemented")
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else :
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fileout.write(word+"\n")
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fileout.close()
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