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[/] [tv80/] [trunk/] [scripts/] [ihex2mem.py] - Rev 91
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#!/usr/bin/env python # # Intel Hex to Verilog Memory format converter # # Copyright (c) 2004 Guy Hutchison (ghutchis@opencores.org) # # Permission is hereby granted, free of charge, to any person obtaining a # copy of this software and associated documentation files (the "Software"), # to deal in the Software without restriction, including without limitation # the rights to use, copy, modify, merge, publish, distribute, sublicense, # and/or sell copies of the Software, and to permit persons to whom the # Software is furnished to do so, subject to the following conditions: # # The above copyright notice and this permission notice shall be included # in all copies or substantial portions of the Software. # # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, # EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF # MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. # IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY # CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, # TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE # SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. class mem_image: def __init__ (self): self.min = 100000 self.max = -1 self.map = {} self.bcount = 0 def load_ihex (self, infile): ifh = open (infile, 'r') line = ifh.readline() while (line != ''): if (line[0] == ':'): rlen = int(line[1:3], 16) addr = int(line[3:7], 16) rtyp = int(line[7:9], 16) ptr = 9 for i in range (0, rlen): laddr = addr + i val = int(line[9+i*2:9+i*2+2], 16) self.map[laddr] = val self.bcount += 1 if (laddr > self.max): self.max = laddr if (laddr < self.min): self.min = laddr line = ifh.readline() ifh.close() def save_vmem (self, outfile, start=-1, stop=-1): if (start == -1): start = self.min if (stop == -1): stop = self.max ofh = open (outfile, 'w') for addr in range(start, stop+1): if self.map.has_key (addr): ofh.write ("@%02x %02x\n" % (addr, self.map[addr])) ofh.close() def ihex2mem (infile, outfile): ifh = open (infile, 'r') ofh = open (outfile, 'w') bcount = 0 line = ifh.readline() while (line != ''): if (line[0] == ':'): rlen = int(line[1:3], 16) addr = int(line[3:7], 16) rtyp = int(line[7:9], 16) ptr = 9 for i in range (0, rlen): val = int(line[9+i*2:9+i*2+2], 16) ofh.write ("@%02x %02x\n" % (addr+i, val)) bcount += 1 line = ifh.readline() ifh.close() ofh.close() return bcount def cmdline (): import sys infile = sys.argv[1] outfile = sys.argv[2] #bc = ihex2mem (infile, outfile) conv = mem_image() conv.load_ihex(infile) conv.save_vmem(outfile) print "Converted %d bytes from %s to %s" % (conv.bcount, infile, outfile) if __name__ == '__main__': cmdline()
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