1#!/usr/bin/perl -w
2#
3# Copyright (C) 2008 Michael Brown <mbrown@fensystems.co.uk>.
4#
5# This program is free software; you can redistribute it and/or
6# modify it under the terms of the GNU General Public License as
7# published by the Free Software Foundation; either version 2 of the
8# License, or any later version.
9#
10# This program is distributed in the hope that it will be useful, but
11# WITHOUT ANY WARRANTY; without even the implied warranty of
12# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
13# General Public License for more details.
14#
15# You should have received a copy of the GNU General Public License
16# along with this program; if not, write to the Free Software
17# Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
18
19use strict;
20use warnings;
21
22use FindBin;
23use lib "$FindBin::Bin";
24use Option::ROM qw ( :all );
25
26my $romfile = shift || "-";
27my $rom = new Option::ROM;
28$rom->load ( $romfile );
29
30die "Not an option ROM image\n"
31    unless $rom->{signature} == ROM_SIGNATURE;
32
33my $romlength = ( $rom->{length} * 512 );
34my $filelength = $rom->length;
35die "ROM image truncated (is $filelength, should be $romlength)\n"
36    if $filelength < $romlength;
37
38printf "ROM header:\n\n";
39printf "  %-16s 0x%02x (%d)\n", "Length:", $rom->{length}, ( $rom->{length} * 512 );
40printf "  %-16s 0x%02x (%s0x%02x)\n", "Checksum:", $rom->{checksum},
41       ( ( $rom->checksum == 0 ) ? "" : "INCORRECT: " ), $rom->checksum;
42printf "  %-16s 0x%04x\n", "Init:", $rom->{init};
43printf "  %-16s 0x%04x\n", "UNDI header:", $rom->{undi_header};
44printf "  %-16s 0x%04x\n", "PCI header:", $rom->{pci_header};
45printf "  %-16s 0x%04x\n", "PnP header:", $rom->{pnp_header};
46printf "\n";
47
48my $pci = $rom->pci_header();
49if ( $pci ) {
50  printf "PCI header:\n\n";
51  printf "  %-16s %s\n", "Signature:", $pci->{signature};
52  printf "  %-16s 0x%04x\n", "Vendor ID:", $pci->{vendor_id};
53  printf "  %-16s 0x%04x\n", "Device ID:", $pci->{device_id};
54  printf "  %-16s 0x%02x%02x%02x\n", "Device class:",
55	 $pci->{base_class}, $pci->{sub_class}, $pci->{prog_intf};
56  printf "  %-16s 0x%04x (%d)\n", "Image length:",
57	 $pci->{image_length}, ( $pci->{image_length} * 512 );
58  printf "  %-16s 0x%04x (%d)\n", "Runtime length:",
59	 $pci->{runtime_length}, ( $pci->{runtime_length} * 512 );
60  if ( exists $pci->{conf_header} ) {
61    printf "  %-16s 0x%04x\n", "Config header:", $pci->{conf_header};
62    printf "  %-16s 0x%04x\n", "CLP entry:", $pci->{clp_entry};
63  }
64  printf "\n";
65}
66
67my $pnp = $rom->pnp_header();
68if ( $pnp ) {
69  printf "PnP header:\n\n";
70  printf "  %-16s %s\n", "Signature:", $pnp->{signature};
71  printf "  %-16s 0x%02x (%s0x%02x)\n", "Checksum:", $pnp->{checksum},
72	 ( ( $pnp->checksum == 0 ) ? "" : "INCORRECT: " ), $pnp->checksum;
73  printf "  %-16s 0x%04x \"%s\"\n", "Manufacturer:",
74	 $pnp->{manufacturer}, $pnp->manufacturer;
75  printf "  %-16s 0x%04x \"%s\"\n", "Product:",
76	 $pnp->{product}, $pnp->product;
77  printf "  %-16s 0x%04x\n", "BCV:", $pnp->{bcv};
78  printf "  %-16s 0x%04x\n", "BDV:", $pnp->{bdv};
79  printf "  %-16s 0x%04x\n", "BEV:", $pnp->{bev};
80  printf "\n";
81}
82