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getconfig.pl
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Perl Script
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2006-04-12
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9KB
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429 lines
#!/usr/bin/perl
# $DHD: xc/programs/Xserver/hw/xfree86/getconfig/getconfig.pl,v 1.13 2003/09/23 05:12:07 dawes Exp $
#
# Copyright 2003 by David H. Dawes.
# Copyright 2003 by X-Oz Technologies.
# All rights reserved.
#
# Permission is hereby granted, free of charge, to any person obtaining a
# copy of this software and associated documentation files (the "Software"),
# to deal in the Software without restriction, including without limitation
# the rights to use, copy, modify, merge, publish, distribute, sublicense,
# and/or sell copies of the Software, and to permit persons to whom the
# Software is furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
# THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
# OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
# ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
# OTHER DEALINGS IN THE SOFTWARE.
#
# Except as contained in this notice, the name of the copyright holder(s)
# and author(s) shall not be used in advertising or otherwise to promote
# the sale, use or other dealings in this Software without prior written
# authorization from the copyright holder(s) and author(s).
#
# Author: David Dawes <dawes@XFree86.Org>.
#
#
# This script takes PCI id information, compares it against an ordered list
# of rules, and prints out the configuration information specified by the
# last matching rule.
#
# This script is called by xf86AutoConfig().
#
# Command line processing.
$GetconfigVersion = v1.0;
$debug = 0;
$myname = $0;
$myname =~ s/.*\///;
$signature = "Xorg Foundation getconfig rules file. Version: ";
while (@ARGV[0] =~ /^-[A-Za-z]$/) {
$f = shift;
SWITCH: {
if ($f eq "-D") {
$debug = 1;
last SWITCH;
}
if ($f eq "-I") {
push(@searchPaths, split(/,/, shift));
last SWITCH;
}
if ($f eq "-V") {
printf STDERR "$myname: Version %vd.\n", $GetconfigVersion;
exit 0;
}
if ($f eq "-X") {
$XorgVersionNumeric = shift;
if (!defined($XorgVersionNumeric)) {
print STDERR "$myname: -X requires the Xorg version.\n";
exit 1;
}
}
if ($f eq "-b") {
$subsys = oct(shift);
if (!defined($subsys)) {
print STDERR "$myname: -b requires the subsys id.\n";
exit 1;
}
last SWITCH;
}
if ($f eq "-c") {
$class = oct(shift);
if (!defined($class)) {
print STDERR "$myname: -c requires the class value.\n";
exit 1;
}
last SWITCH;
}
if ($f eq "-d") {
$device = oct(shift);
if (!defined($device)) {
print STDERR "$myname: -d requires the device id.\n";
exit 1;
}
last SWITCH;
}
if ($f eq "-r") {
$revision = oct(shift);
if (!defined($revision)) {
print STDERR "$myname: -r requires the device revision.\n";
exit 1;
}
last SWITCH;
}
if ($f eq "-s") {
$subsysVendor = oct(shift);
if (!defined($subsysVendor)) {
print STDERR "$myname: -s requires the subsysVendor id.\n";
exit 1;
}
last SWITCH;
}
if ($f eq "-v") {
$vendor = oct(shift);
if (!defined($vendor)) {
print STDERR "$myname: -v requires the vendor id.\n";
exit 1;
}
last SWITCH;
}
}
}
printf STDERR "$myname: Version %vd.\n", $GetconfigVersion;
if (defined($XorgVersionNumeric)) {
$XorgVersionMajor = $XorgVersionNumeric / 10000000;
$XorgVersionMinor = ($XorgVersionNumeric % 10000000) / 100000;
$XorgVersionPatch = ($XorgVersionNumeric % 100000) / 1000;
$XorgVersionSnapshot = $XorgVersionNumeric % 1000;
$XorgVersion = chr($XorgVersionMajor) . chr($XorgVersionMinor) .
chr($XorgVersionPatch) . chr($XorgVersionSnapshot);
}
if ($debug) {
printf STDERR "$myname: Xorg Version: %d, %d.%d.%d.%d, %vd.\n",
$XorgVersionNumeric, $XorgVersionMajor, $XorgVersionMinor,
$XorgVersionPatch, $XorgVersionSnapshot, $XorgVersion;
} else {
printf STDERR "$myname: Xorg Version: %vd.\n", $XorgVersion;
}
# The rules here are just basic vendor ID to driver mappings.
# Ideally this is all that would be required. More complicated configuration
# rules will be provided in external files.
# XXX This set of basic rules isn't complete yet.
@rules = (
# Set the weight for the built-in rules.
['$weight = 500'],
# APM
['$vendor == 0x1142',
'apm'],
# ARK
['$vendor == 0xedd8',
'apm'],
# ATI
['$vendor == 0x1002',
'ati'],
# Chips & Technologies
['$vendor == 0x102c',
'chips'],
# Cirrus
['$vendor == 0x1013',
'cirrus'],
# Intel
['$vendor == 0x8086',
'i810'],
['$vendor == 0x8086 && ($chipType == 0x00d1 || $chipType == 0x7800)',
'i740'],
# Matrox
['$vendor == 0x102b',
'mga'],
# Neomagic
['$vendor == 0x10c8',
'neomagic'],
# Number Nine
['$vendor == 0x105d',
'i128'],
# NVIDIA
['$vendor == 0x10de || $vendor == 0x12d2',
'nv'],
# S3
['$vendor == 0x5333 && ($device == 0x88d0 ||' .
'$device == 0x88d1 ||' .
'$device == 0x88f0 ||' .
'$device == 0x8811 ||' .
'$device == 0x8812 ||' .
'$device == 0x8814 ||' .
'$device == 0x8901)',
's3'],
# S3 virge
['$vendor == 0x5333 && ($device == 0x5631 ||' .
'$device == 0x883d ||' .
'$device == 0x8a01 ||' .
'$device == 0x8a10 ||' .
'$device == 0x8c01 ||' .
'$device == 0x8c03 ||' .
'$device == 0x8904 ||' .
'$device == 0x8a13)',
's3virge'],
# S3 Savage
['$vendor == 0x5333 && ($device >= 0x8a20 && $device <= 0x8a22 ||' .
'$device == 0x9102 ||' .
'$device >= 0x8c10 && $device <= 0x8c13 ||' .
'$device == 0x8a25 ||' .
'$device == 0x8a26 ||' .
'$device >= 0x8d01 && $device <= 0x8d04 ||' .
'$device >= 0x8c2a && $device <= 0x8c2f ||' .
'$device == 0x8c22 ||' .
'$device == 0x8c24 ||' .
'$device == 0x8c26)',
'savage'],
# SIS
['$vendor == 0x1039',
'sis'],
# SMI
['$vendor == 0x126f',
'siliconmotion'],
# 3Dfx
['$vendor == 0x121a',
'tdfx'],
# 3Dlabs
['$vendor == 0x3d3d',
'glint'],
# Trident
['$vendor == 0x1023',
'trident'],
# Tseng Labs
['$vendor == 0x100c',
'tseng'],
# VIA
['$vendor == 0x1106',
'via'],
# VMware
['$vendor == 0x15ad',
'vmware'],
);
# Reverse the search path list, since the later rules have higher priority
# than earlier ones (weighting being equal).
@searchPaths = reverse(@searchPaths);
if ($debug) {
$i = 0;
for $path (@searchPaths) {
print STDERR "$myname: Search path $i is: \"$path\".\n";
$i++;
}
}
print STDERR "$myname: ", $#rules + 1, " built-in rule", plural($#rules + 1),
".\n";
for $path (@searchPaths) {
while (<$path/*.cfg>) {
@tmp = readRulesFile($_);
if (defined(@tmp[0])) {
push @rules, @tmp;
}
}
}
if ($debug) {
$i = 0;
for $r (@rules) {
print STDERR "$myname: rule $i is: \'@$r\'.\n";
$i++
}
}
$i = 0;
$e = 0;
$weight = 0;
$w = 0;
for $r (@rules) {
($cond, $d, @o) = @$r;
$result = eval $cond;
if ($@) {
print STDERR "$myname: Error evaluating rule $i \'$cond\': $@";
$e++;
}
if ($debug) {
print STDERR "$myname: rule $i \'$cond\' evaluates to \'$result\'.\n";
}
if ($result && defined($d) && $weight >= $w) {
$driver = $d;
@opts = @o;
$w = $weight;
}
$i++;
}
print STDERR "$myname: Evaluated $i rule", plural($i),
" with $e error", plural($e), ".\n";
print STDERR "$myname: Weight of result is $w.\n";
if ($debug) {
if (defined($driver)) {
print STDERR "$myname: Driver is \'$driver\'.\n";
} else {
print STDERR "$myname: No driver.\n";
}
if (defined(@opts)) {
print STDERR "$myname: options are:\n";
for $opt (@opts) {
print STDERR "\t$opt\n";
}
} else {
print STDERR "$myname: No options.\n";
}
}
print "$driver\n";
for $opt (@opts) {
print "$opt\n";
}
exit 0;
# Subroutines.
sub readRulesFile {
my ($file) = @_;
my $signatureOK = 0;
my @r, @tmp;
my $line, $cont, $prevcont, $fileversion;
undef @tmp;
undef @r;
if (open(RF, "<$file")) {
$prevcont = 0;
while (<RF>) {
chop;
$line = $_;
next if ($line =~ /^#/);
next if ($line =~ /^\s*$/);
if (!$signatureOK) {
if ($line =~ /^$signature(.*)$/) {
$fileversion = $1;
$signatureOK = 1;
print STDERR
"$myname: rules file \'$file\' has version $fileversion.\n";
next;
}
}
if (!$signatureOK) {
print STDERR "$myname: file \'$file\' has bad signature.\n";
close(RF);
last;
}
$cont = 0;
if ($line =~ s/\\\s*$//) {
$cont = 1;
}
if (!$prevcont && $line =~ /^\S+/) {
if (defined(@tmp[0])) {
push(@r,[@tmp]);
}
undef @tmp;
}
if ($prevcont) {
push(@tmp, pop(@tmp) . $line);
} else {
push(@tmp, $line);
}
$prevcont = $cont;
}
if (defined(@tmp[0])) {
push(@r,[@tmp]);
}
if (!defined(@r[0])) {
print STDERR "$myname: no rules in file \'$file\'.\n";
} else {
print STDERR "$myname: ", $#r + 1,
" rule", plural($#r + 1),
" added from file \'$file\'.\n";
}
} else {
print STDERR "$myname: cannot open file \'$file\'.\n";
}
return @r;
}
sub plural {
my ($count) = @_;
if ($count != 1) {
return "s";
} else {
return "";
}
}