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., 51 Franklin Street, Fifth Floor, Boston, MA
18# 02110-1301, USA.
19
20use strict;
21use warnings;
22
23use FindBin;
24use lib "$FindBin::Bin";
25use Option::ROM qw ( :all );
26
27my $romfile = shift || "-";
28my $rom = new Option::ROM;
29$rom->load ( $romfile );
30
31my $index = 0;
32
33do {
34  die "Not an option ROM image\n"
35      unless $rom->{signature} == ROM_SIGNATURE;
36
37  my $romlength = ( $rom->{length} * 512 );
38  my $filelength = $rom->length;
39  die "ROM image truncated (is $filelength, should be $romlength)\n"
40      if $filelength < $romlength;
41
42  printf "Index: %d, offset: 0x%08x\n\n", $index++, $rom->file_offset;
43  printf "ROM header:\n\n";
44  printf "  %-16s 0x%02x (%d)\n", "Length:",
45	 $rom->{length}, ( $rom->{length} * 512 );
46  printf "  %-16s 0x%02x (%s0x%02x)\n", "Checksum:", $rom->{checksum},
47	 ( ( $rom->checksum () == 0 ) ? "" : "INCORRECT: " ), $rom->checksum () if ( exists $rom->{checksum} );
48  printf "  %-16s 0x%04x\n", "Init:", $rom->{init} if ( defined $rom->{init} );
49  printf "  %-16s 0x%04x\n", "UNDI header:", $rom->{undi_header} if ( exists $rom->{undi_header} );
50  printf "  %-16s 0x%04x\n", "PCI header:", $rom->{pci_header};
51  printf "  %-16s 0x%04x\n", "PnP header:", $rom->{pnp_header} if ( exists $rom->{pnp_header} );
52  printf "\n";
53
54  my $efi = $rom->efi_header();
55  if ( $efi ) {
56    printf "EFI header:\n\n";
57    printf "  %-16s 0x%04x (%d)\n", "Init size:",
58	   $efi->{init_size}, ( $efi->{init_size} * 512 );
59    printf "  %-16s 0x%08x\n", "EFI Signature:", $efi->{efi_signature};
60    printf "  %-16s 0x%04x\n", "EFI Subsystem:", $efi->{efi_subsystem};
61    printf "  %-16s 0x%04x\n", "EFI Machine type:", $efi->{efi_machine_type};
62    printf "  %-16s 0x%04x\n", "Compression type:", $efi->{compression_type};
63    printf "  %-16s 0x%04x\n", "EFI Image offset:", $efi->{efi_image_offset};
64    printf "\n";
65  }
66
67  my $pci = $rom->pci_header();
68  if ( $pci ) {
69    printf "PCI header:\n\n";
70    printf "  %-16s %s\n", "Signature:", $pci->{signature};
71    printf "  %-16s 0x%04x\n", "Vendor ID:", $pci->{vendor_id};
72    printf "  %-16s 0x%04x\n", "Device ID:", $pci->{device_id};
73    if ( $pci->{device_list} ) {
74      printf "  %-16s %s\n", "Device list:",
75	     ( join ( ", ", map { sprintf "0x%04x", $_ } $pci->device_list ) );
76    }
77    printf "  %-16s 0x%02x%02x%02x\n", "Device class:",
78	   $pci->{base_class}, $pci->{sub_class}, $pci->{prog_intf};
79    printf "  %-16s 0x%04x (%d)\n", "Image length:",
80	   $pci->{image_length}, ( $pci->{image_length} * 512 );
81    printf "  %-16s 0x%04x (%d)\n", "Runtime length:",
82	   $pci->{runtime_length}, ( $pci->{runtime_length} * 512 );
83    printf "  %-16s 0x%02x\n", "Code type:", $pci->{code_type};
84    if ( exists $pci->{conf_header} ) {
85      printf "  %-16s 0x%04x\n", "Config header:", $pci->{conf_header};
86      printf "  %-16s 0x%04x\n", "CLP entry:", $pci->{clp_entry};
87    }
88    printf "\n";
89  }
90
91  my $pnp = $rom->pnp_header();
92  if ( $pnp ) {
93    printf "PnP header:\n\n";
94    printf "  %-16s %s\n", "Signature:", $pnp->{signature};
95    printf "  %-16s 0x%02x (%s0x%02x)\n", "Checksum:", $pnp->{checksum},
96	   ( ( $pnp->checksum == 0 ) ? "" : "INCORRECT: " ), $pnp->checksum;
97    printf "  %-16s 0x%04x \"%s\"\n", "Manufacturer:",
98	   $pnp->{manufacturer}, $pnp->manufacturer;
99    printf "  %-16s 0x%04x \"%s\"\n", "Product:",
100	   $pnp->{product}, $pnp->product;
101    printf "  %-16s 0x%04x\n", "BCV:", $pnp->{bcv};
102    printf "  %-16s 0x%04x\n", "BDV:", $pnp->{bdv};
103    printf "  %-16s 0x%04x\n", "BEV:", $pnp->{bev};
104    printf "\n";
105  }
106
107  my $undi = $rom->undi_header();
108  if ( $undi ) {
109    printf "UNDI header:\n\n";
110    printf "  %-16s %s\n", "Signature:", $undi->{signature};
111    printf "  %-16s 0x%02x (%s0x%02x)\n", "Checksum:", $undi->{checksum},
112	   ( ( $undi->checksum == 0 ) ? "" : "INCORRECT: " ), $undi->checksum;
113    printf "  %-16s %d.%d.%d\n", "UNDI version:", $undi->{version_major},
114	   $undi->{version_minor}, $undi->{version_revision};
115    printf "  %-16s 0x%04x\n", "Loader entry:", $undi->{loader_entry};
116    printf "  %-16s 0x%04x\n", "Stack size:", $undi->{stack_size};
117    printf "  %-16s 0x%04x\n", "Data size:", $undi->{data_size};
118    printf "  %-16s 0x%04x\n", "Code size:", $undi->{code_size};
119    printf "  %-16s %s\n", "Bus type:", $undi->{bus_type};
120    printf "\n";
121  }
122
123  my $ipxe = $rom->ipxe_header();
124  if ( $ipxe ) {
125    printf "iPXE header:\n\n";
126    printf "  %-16s 0x%02x (%s0x%02x)\n", "Checksum:", $ipxe->{checksum},
127	   ( ( $ipxe->checksum == 0 ) ? "" : "INCORRECT: " ), $ipxe->checksum;
128    printf "  %-16s 0x%02x (%d)\n", "Shrunk length:",
129	   $ipxe->{shrunk_length}, ( $ipxe->{shrunk_length} * 512 );
130    printf "  %-16s 0x%08x\n", "Build ID:", $ipxe->{build_id};
131    printf "\n";
132  }
133
134} while ( $rom = $rom->next_image );
135