initscripts - Mageia fork of Fedora's Init Scripts

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author	Bill Nottingham <notting@redhat.com>	1999-02-22 23:43:52 +0000
committer	Bill Nottingham <notting@redhat.com>	1999-02-22 23:43:52 +0000
commit	83aa1f9a5ab54c1578b1e6c1c15f05ef784259df (patch)
tree	5ea38a91b655c3c934fc971d4cded7cc73e14bd7 /sysconfig/init
parent	8a287013f87a889ad57acf9dc32cf487b297c5e8 (diff)
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add default /etc/sysconfig/init

change raw ansi to echo -e add a 'serial' mode that has no ansi escapes

Diffstat (limited to 'sysconfig/init')

-rw-r--r--

sysconfig/init

1 files changed, 12 insertions, 0 deletions

package partition_table::dos; # $Id: dos.pm 263707 2009-11-26 13:26:41Z pterjan $ use diagnostics; use strict; use vars qw(@ISA); @ISA = qw(partition_table::raw); use common; use partition_table::raw; use partition_table; use fs::type; use c; my @fields = qw(active start_head start_sec start_cyl pt_type end_head end_sec end_cyl start size); my $format = "C8 V2"; my $magic = "\x55\xAA"; my $nb_primary = 4; my $offset = $common::SECTORSIZE - length($magic) - $nb_primary * common::psizeof($format); sub use_pt_type { 1 } sub hasExtended { 1 } sub geometry_to_string { my ($geom) = @_; "$geom->{cylinders}/$geom->{heads}/$geom->{sectors}"; } sub last_usable_sector { my ($hd) = @_; #- do not use totalsectors, see gi/docs/Partition-ends-after-end-of-disk.txt for more $hd->{geom}{sectors} * $hd->{geom}{heads} * $hd->{geom}{cylinders}; } my $two_TB = 2 * 1024 * 1024 * 2048; sub max_partition_start { $two_TB - 1 } sub max_partition_size { $two_TB - 1 } sub get_rawCHS { my ($part) = @_; exists $part->{start_cyl} or internal_error("get_rawCHS $part->{device}"); [ $part->{start_cyl}, $part->{start_head}, $part->{start_sec} ], [ $part->{end_cyl}, $part->{end_head}, $part->{end_sec} ]; } sub set_rawCHS { my ($part, $raw_chs_start, $raw_chs_end) = @_; ($part->{start_cyl}, $part->{start_head}, $part->{start_sec}) = @$raw_chs_start; ($part->{end_cyl}, $part->{end_head}, $part->{end_sec}) = @$raw_chs_end; } sub compute_CHS { my ($hd, $part) = @_; my ($chs_start, $chs_end) = CHS_from_part_linear($hd->{geom}, $part); set_rawCHS($part, $chs_start ? CHS2rawCHS($hd->{geom}, $chs_start) : [0,0,0], $chs_end ? CHS2rawCHS($hd->{geom}, $chs_end) : [0,0,0]); } sub CHS_from_part_rawCHS { my ($part) = @_; $part->{start} || $part->{pt_type} or return; my ($raw_chs_start, $raw_chs_end) = get_rawCHS($part); rawCHS2CHS($raw_chs_start), rawCHS2CHS($raw_chs_end); } sub CHS_from_part_linear { my ($geom, $part) = @_; $part->{start} || $part->{pt_type} or return; sector2CHS($geom, $part->{start}), sector2CHS($geom, $part->{start} + $part->{size} - 1); } sub rawCHS2CHS { my ($chs) = @_; my ($c, $h, $s) = @$chs; [ $c | (($s & 0xc0) << 2), $h, ($s & 0x3f) - 1 ]; } sub CHS2rawCHS { my ($geom, $chs) = @_; my ($c, $h, $s) = @$chs; if ($c > 1023) { #- no way to have a #cylinder >= 1024 $c = 1023; $h = $geom->{heads} - 1; $s = $geom->{sectors} - 1; } [ $c & 0xff, $h, ($s + 1) | (($c >> 2) & 0xc0) ]; } # returns (cylinder, head, sector) sub sector2CHS { my ($geom, $start) = @_; my ($s, $h); ($start, $s) = divide($start, $geom->{sectors}); ($start, $h) = divide($start, $geom->{heads}); [ $start, $h, $s ]; } sub is_geometry_valid_for_the_partition_table { my ($hd, $geom, $no_log) = @_; every { my ($chs_start_v1, $chs_end_v1) = map { join(',', @$_) } CHS_from_part_rawCHS($_) or next; my ($chs_start_v2, $chs_end_v2) = map { join(',', @$_) } map { [ min($_->[0], 1023), $_->[1], $_->[2] ] } CHS_from_part_linear($geom, $_); if (!$no_log) { $chs_start_v1 eq $chs_start_v2 or log::l("is_geometry_valid_for_the_partition_table failed for ($_->{device}, $_->{start}): $chs_start_v1 vs $chs_start_v2 with geometry " . geometry_to_string($geom)); $chs_end_v1 eq $chs_end_v2 or log::l("is_geometry_valid_for_the_partition_table failed for ($_->{device}, " . ($_->{start} + $_->{size} - 1) . "): $chs_end_v1 vs $chs_end_v2 with geometry " . geometry_to_string($geom)); } $chs_start_v1 eq $chs_start_v2 && $chs_end_v1 eq $chs_end_v2; } @{$hd->{primary}{normal} || []}; } #- from parted, thanks! my @valid_nb_sectors = (63, 61, 48, 32, 16); my @valid_nb_heads = (255, 240, 192, 128, 96, 64, 61, 32, 17, 16); sub guess_geometry_from_partition_table { my ($hd) = @_; my @chss = map { CHS_from_part_rawCHS($_) } @{$hd->{primary}{normal} || []} or return { empty => 1 }; my ($nb_heads, $nb_sectors) = (max(map { $_->[1] } @chss) + 1, max(map { $_->[2] } @chss) + 1); my $geom = { sectors => $nb_sectors, heads => $nb_heads }; partition_table::raw::compute_nb_cylinders($geom, $hd->{totalsectors}); log::l("guess_geometry_from_partition_table $hd->{device}: " . geometry_to_string($geom)); member($geom->{sectors}, @valid_nb_sectors) or return { invalid => 1 }; $geom; } sub geometry_from_edd { my ($hd, $edd_dir) = @_; my $sectors = cat_("$edd_dir/legacy_sectors_per_track") or return; my $heads = cat_("$edd_dir/legacy_max_head") or return; my $geom = { sectors => 0 + $sectors, heads => 1 + $heads, from_edd => 1 }; is_geometry_valid_for_the_partition_table($hd, $geom, 0) or return; partition_table::raw::compute_nb_cylinders($geom, $hd->{totalsectors}); log::l("geometry_from_edd $hd->{device} $hd->{volume_id}: " . geometry_to_string($geom)); $geom; } sub try_every_geometry { my ($hd) = @_; my $geom = {}; foreach (@valid_nb_sectors) { $geom->{sectors} = $_; foreach (@valid_nb_heads) { $geom->{heads} = $_; if (is_geometry_valid_for_the_partition_table($hd, $geom, 1)) { partition_table::raw::compute_nb_cylinders($geom, $hd->{totalsectors}); log::l("try_every_geometry $hd->{device}: found " . geometry_to_string($geom)); return $geom; } } } log::l("$hd->{device}: argh! no geometry exists for this partition table"); undef; } sub set_best_geometry_for_the_partition_table { my ($hd) = @_; my $guessed_geom = guess_geometry_from_partition_table($hd); if ($guessed_geom->{empty}) { log::l("$hd->{device}: would need looking at BIOS info to find out geometry") if !$hd->{geom}{from_edd}; return; } my $default_ok = is_geometry_valid_for_the_partition_table($hd, $hd->{geom}, 0); if ($guessed_geom->{invalid}) { log::l("$hd->{device}: no valid geometry guessed from partition table"); $default_ok and return; $guessed_geom = try_every_geometry($hd) or return;


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