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