2 # Script to check a bios image and report info on it.
4 # Copyright (C) 2008 Kevin O'Connor <kevin@koconnor.net>
6 # This file may be distributed under the terms of the GNU GPLv3 license.
13 objinfo, rawfile, outfile = sys.argv[1:]
16 objinfofile = open(objinfo, 'rb')
17 symbols = layoutrom.parseObjDump(objinfofile, 'in')[1]
20 f = open(rawfile, 'rb')
23 datasize = len(rawdata)
25 if datasize > 64*1024:
29 start = symbols['code32flat_start'].offset
30 end = symbols['code32flat_end'].offset
31 expend = layoutrom.BUILD_BIOS_ADDR + layoutrom.BUILD_BIOS_SIZE
33 print "Error! Code does not end at 0x%x (got 0x%x)" % (
36 if datasize > finalsize:
37 print "Error! Code is too big (0x%x vs 0x%x)" % (
40 expdatasize = end - start
41 if datasize != expdatasize:
42 print "Error! Unknown extra data (0x%x vs 0x%x)" % (
43 datasize, expdatasize)
47 print "Total size: %d Free space: %d Percent used: %.1f%% (%dKiB rom)" % (
48 datasize, finalsize - datasize
49 , (datasize / float(finalsize)) * 100.0
53 f = open(outfile, 'wb')
54 f.write(("\0" * (finalsize - datasize)) + rawdata)
57 if __name__ == '__main__':