diff options
Diffstat (limited to 'scripts/detect-resolution')
-rwxr-xr-x | scripts/detect-resolution | 143 |
1 files changed, 0 insertions, 143 deletions
diff --git a/scripts/detect-resolution b/scripts/detect-resolution deleted file mode 100755 index 3021f95..0000000 --- a/scripts/detect-resolution +++ /dev/null @@ -1,143 +0,0 @@ -#!/usr/bin/perl -# -*- Mode: cperl -*- -# Copyright (C) 2002 by Chmouel Boudjnah <chmouel@mandrakesoft.com> -# Redistribution of this file is permitted under the terms of the GNU -# Public License (GPL) -# -# Detect vga resolution we want. -# -# add better detection thanks to Olivier Blin idea to use argument from -# make_boot_splash. - -use strict; -my (%main, %entry, $vga, $initrd); - -if ($ARGV[0]) { - $initrd = -l $ARGV[0] ? readlink($ARGV[0]) : $ARGV[0]; - $initrd =~ s,.*/,, -} else { - $vga = detect_from_cmdline(cat_('/proc/cmdline')); - undef $vga if $vga =~ /x/; #lilo cmdline can't convert -} - -detect_from_loader() if !$vga; -if ($vga) { - chomp $vga; - $vga =~ s/vga=//; - $vga = convert_vgamode(); -} -print $vga, "\n" if $vga; - -sub detect_from_cmdline {return (grep /vga=\d+/, split("[ \t]", shift))[0];} -sub detect_from_loader { - my $loader = `detectloader -q`;chomp $loader; - if ($loader =~ m/lilo/i ) { - parse_lilo_conf(); - } elsif ($loader =~ /grub/i ) { - parse_grub_conf(); - } - if ($initrd) { - $vga = $main{initrd}{$initrd} - } - $vga ||= $entry{$main{default}}{vga}; - $vga ||= $main{vga} -} -sub parse_grub_conf { - my ($title); - my $cnt = 0; - my $grub_conf = "/boot/grub/menu.lst"; - my $vga; - return if not -f $grub_conf; - open F, $grub_conf or die "Can't open $grub_conf\n"; - - while (<F>) { - next if /^\s*#/; - $main{default} = $1 if /^default (\d+)/; - if (/^title\s+(.*)/) { - $vga=0; - $title=$1; - $entry{$title}{cnt} = $cnt; - $main{default} = $title if $entry{$title}{cnt} eq $main{default}; - $cnt++; - } - if (m/kernel\s+\(.*\)[^\s]+/) { - $vga = $1 if /vga=(\w*)/; - $entry{$title}{vga} = $vga if ($title and $vga); - } - if (m,initrd\s+\(.*\)(?:.*/)?([^\s]+),){ - #- TODO: support links - $entry{$title}{initrd} = $1; - $main{initrd}{$1} = $entry{$title}{vga} - } - } - close F; -} - -sub parse_lilo_conf { - my $lilo_conf="/etc/lilo.conf"; - my ($vga, $label, $loc_initrd); - return if not -f $lilo_conf; - open F, $lilo_conf or die "Can't open $lilo_conf\n"; - while (<F>) { - next if /^\s*#/; - $main{default} = remove_quotes($1) if m/^default=(.*)/; - $main{vga} = $1 if m/^vga=(.*)/; - $vga = $1 if /vga=(.*)/; - $label = remove_quotes($1) if /label=(.*)/; - if (/initrd=(.*)/) { - $loc_initrd = -l $1 ? readlink($1) : $1; - $loc_initrd =~ s,.*/,,; - } - $entry{$label}{vga} = $vga if ($label && $vga); - if (/image/) { - if ($loc_initrd && $label && $vga) { - $entry{$label}{initrd} = $loc_initrd; - if (!$main{initrd}{$loc_initrd} || $main{default} eq $label) { - $main{initrd}{$loc_initrd} = $vga - } - } - undef $vga,$label; - } - } - if ($loc_initrd && $label && $vga) { - $entry{$label}{initrd} = $loc_initrd; - if (!$main{initrd}{$loc_initrd} || $main{default} eq $label) { - $main{initrd}{$loc_initrd} = $vga - } - } - close F; -} - -sub convert_vgamode { - my $v; - #From drakx Xconfigurator_consts.pm - my %vgamodes = ( - '640x480x8' => [ '769', '0x301' ], - '800x600x8' => [ '771', '0x303' ], - '1024x768x8' => [ '773', '0x305' ], - '1280x1024x8' => [ '775', '0x307' ], - '1600x1200x8' => [ '777', '0x309' ], - '640x480x15' => [ '784', '0x310' ], - '800x600x15' => [ '787', '0x313' ], - '1024x768x15' => [ '790', '0x316' ], - '1280x1024x15' => [ '793', '0x319' ], - '1600x1200x15' => [ '796', '0x31C' ], - '640x480x16' => [ '785', '0x311' ], - '800x600x16' => [ '788', '0x314' ], - '1024x768x16' => [ '791', '0x317' ], - '1280x1024x16' => [ '794', '0x31A' ], - '1600x1200x16' => [ '797', '0x31D' ], - #- '640xx24' => 786, #- there is a problem with these resolutions since the BIOS may take 24 or 32 planes. - #- '640x480x24' => 786, - #- '800xx24' => 789, - #- '800x600x24' => 789, - #- '1024xx24' => 792, - #- '1024x768x24' => 792, - #- '1280xx24' => 795, - #- '1280x1024x24' => 795, - ); - foreach my $k (keys %vgamodes) { $v = $k if grep { $_ eq $vga } @{$vgamodes{$k}} } - undef $vga if not $v;return $v; -} -sub cat_ { local *F; open F, $_[0] or $_[1] ? die "cat of file $_[0] failed: $!\n" : return; my @l = <F>; wantarray ? @l : join '', @l } -sub remove_quotes { local $_ = $_[0]; s/^"(.*)"$/$1/g; s/\\"/"/g; $_ } |