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#!/usr/bin/perl -w
#
# Copyright (C) 2008 Michael Brown <mbrown@fensystems.co.uk>.
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License as
# published by the Free Software Foundation; either version 2 of the
# License, or any later version.
#
# This program is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
use strict;
use warnings;
use FindBin;
use lib "$FindBin::Bin";
use Option::ROM qw ( :all );
my $romfile = shift || "-";
my $rom = new Option::ROM;
$rom->load ( $romfile );
die "Not an option ROM image\n"
unless $rom->{signature} == ROM_SIGNATURE;
my $romlength = ( $rom->{length} * 512 );
my $filelength = $rom->length;
die "ROM image truncated (is $filelength, should be $romlength)\n"
if $filelength < $romlength;
printf "ROM header:\n\n";
printf " Length:\t0x%02x (%d)\n", $rom->{length}, ( $rom->{length} * 512 );
printf " Checksum:\t0x%02x (0x%02x)\n", $rom->{checksum}, $rom->checksum;
printf " Init:\t\t0x%04x\n", $rom->{init};
printf " UNDI header:\t0x%04x\n", $rom->{undi_header};
printf " PCI header:\t0x%04x\n", $rom->{pci_header};
printf " PnP header:\t0x%04x\n", $rom->{pnp_header};
printf "\n";
my $pci = $rom->pci_header();
if ( $pci ) {
printf "PCI header:\n\n";
printf " Signature:\t%s\n", $pci->{signature};
printf " Vendor id:\t0x%04x\n", $pci->{vendor_id};
printf " Device id:\t0x%04x\n", $pci->{device_id};
printf " Device class:\t0x%02x%02x%02x\n",
$pci->{base_class}, $pci->{sub_class}, $pci->{prog_intf};
printf " Image length:\t0x%04x (%d)\n",
$pci->{image_length}, ( $pci->{image_length} * 512 );
printf " Runtime length:\t0x%04x (%d)\n",
$pci->{runtime_length}, ( $pci->{runtime_length} * 512 );
printf " Config header:\t0x%04x\n", $pci->{conf_header};
printf " CLP entry:\t0x%04x\n", $pci->{clp_entry};
printf "\n";
}
my $pnp = $rom->pnp_header();
if ( $pnp ) {
printf "PnP header:\n\n";
printf " Signature:\t%s\n", $pnp->{signature};
printf " Checksum:\t0x%02x (0x%02x)\n", $pnp->{checksum}, $pnp->checksum;
printf " Manufacturer:\t0x%04x \"%s\"\n",
$pnp->{manufacturer}, $pnp->manufacturer;
printf " Product:\t0x%04x \"%s\"\n", $pnp->{product}, $pnp->product;
printf " BCV:\t\t0x%04x\n", $pnp->{bcv};
printf " BDV:\t\t0x%04x\n", $pnp->{bdv};
printf " BEV:\t\t0x%04x\n", $pnp->{bev};
printf "\n";
}
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