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Kevin O'Connor2fda7cb2008-07-05 20:41:53 -04001#!/usr/bin/env python
2# Script to check a bios image and report info on it.
3#
4# Copyright (C) 2008 Kevin O'Connor <kevin@koconnor.net>
5#
6# This file may be distributed under the terms of the GNU GPLv3 license.
7
8import sys
9
10def main():
11 # Read in symbols (that are valid)
12 syms = {}
13 for line in sys.stdin.readlines():
14 try:
15 addr, type, sym = line.split()
16 syms[sym] = int(addr, 16)
17 except:
18 pass
19
Kevin O'Connord2899772008-07-06 09:56:14 -040020 c16s = syms['code16_start'] + 0xf0000
21 c32s = syms['final_code16_start']
Kevin O'Connor202024a2009-01-17 10:41:28 -050022 if c16s != c32s:
23 print "Error! 16bit code moved during linking (0x%x vs 0x%x)" % (
24 c32s, c16s)
Kevin O'Connor2fda7cb2008-07-05 20:41:53 -040025 sys.exit(1)
26
Kevin O'Connor202024a2009-01-17 10:41:28 -050027 sizefree = syms['freespace1_end'] - syms['freespace1_start']
28 size16 = syms['code16_end'] - syms['code16_start'] - sizefree
Kevin O'Connor2fda7cb2008-07-05 20:41:53 -040029 size32 = syms['code32_end'] - syms['code32_start']
Kevin O'Connor4556a2c2008-07-12 14:30:11 -040030 totalc = size16+size32
Kevin O'Connord2899772008-07-06 09:56:14 -040031 tablefree = syms['freespace2_end'] - syms['freespace2_start']
Kevin O'Connor202024a2009-01-17 10:41:28 -050032 print "16bit size: %d" % size16
33 print "32bit size: %d" % size32
34 print "Total size: %d Free space: %d Percent used: %.1f%%" % (
Kevin O'Connor4556a2c2008-07-12 14:30:11 -040035 totalc, sizefree
36 , (totalc / float(size16+size32+sizefree)) * 100.0)
Kevin O'Connord2899772008-07-06 09:56:14 -040037 print "BIOS table space: %d" % tablefree
Kevin O'Connor2fda7cb2008-07-05 20:41:53 -040038
39if __name__ == '__main__':
40 main()