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authorThierry Vignaud <tvignaud@mandriva.org>2002-07-23 11:08:35 +0000
committerThierry Vignaud <tvignaud@mandriva.org>2002-07-23 11:08:35 +0000
commit61b0cd36577df2a9f86cb2c08d14737f0bbcb557 (patch)
tree08dfd2ab02af6b7c7410158a531a95c2db7b3350 /perl-install/partition_table_bsd.pm
parent6ed6b5341362f87e3c70420f206a33f71c72a3de (diff)
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g Move 2: partition table: hierarchy
Diffstat (limited to 'perl-install/partition_table_bsd.pm')
-rw-r--r--perl-install/partition_table_bsd.pm147
1 files changed, 0 insertions, 147 deletions
diff --git a/perl-install/partition_table_bsd.pm b/perl-install/partition_table_bsd.pm
deleted file mode 100644
index aa9b9eb29..000000000
--- a/perl-install/partition_table_bsd.pm
+++ /dev/null
@@ -1,147 +0,0 @@
-package partition_table_bsd; # $Id$
-
-use diagnostics;
-use strict;
-use vars qw(@ISA);
-
-@ISA = qw(partition_table_raw);
-
-use common;
-use partition_table_raw;
-use partition_table;
-use c;
-
-#- very bad and rough handling :(
-my %typeToDos = (
- 8 => 0x83,
- 1 => 0x82,
-);
-my %typeFromDos = reverse %typeToDos;
-
-my ($main_format, $main_fields) = list2kv(
- I => 'magic',
- S => 'type',
- S => 'subtype',
- a16 => 'typename',
- a16 => 'packname',
- I => 'secsize',
- I => 'nsectors',
- I => 'ntracks',
- I => 'ncylinders',
- I => 'secpercyl',
- I => 'secprtunit',
- S => 'sparespertrack',
- S => 'sparespercyl',
- I => 'acylinders',
- S => 'rpm',
- S => 'interleave',
- S => 'trackskew',
- S => 'cylskew',
- I => 'headswitch',
- I => 'trkseek',
- I => 'flags',
- a20 => 'drivedata',
- a20 => 'spare',
- I => 'magic2',
- S => 'checksum',
- S => 'npartitions',
- I => 'bbsize',
- I => 'sbsize',
- a128=> 'partitions',
- a236=> 'blank',
-);
-$main_format = join '', @$main_format;
-
-my @fields = qw(size start fsize type frag cpg);
-my $format = "I I I C C S";
-my $magic = 0x82564557;
-my $nb_primary = 8;
-my $offset = 0x40;
-
-sub read($$) {
- my ($hd, $sector) = @_;
- my $tmp;
-
- local *F; partition_table_raw::openit($hd, *F) or die "failed to open device";
- c::lseek_sector(fileno(F), $sector, $offset) or die "reading of partition in sector $sector failed";
-
- sysread F, $tmp, psizeof($main_format) or die "error while reading partition table in sector $sector";
- my %info; @info{@$main_fields} = unpack $main_format, $tmp;
-
- #- TODO verify checksum
-
- my $size = psizeof($format);
- my @pt = map {
- my %h; @h{@fields} = unpack $format, $_;
- $h{type} = $typeToDos{$h{type}} || $h{type};
- \%h;
- } $info{partitions} =~ /(.{$size})/g;
-
- #- check magic number
- $info{magic} == $magic or die "bad magic number on disk $hd->{device}";
- $info{magic2} == $magic or die "bad magic number on disk $hd->{device}";
-
- [ @pt ], \%info;
-}
-
-# write the partition table (and extended ones)
-# for each entry, it uses fields: start, size, type, active
-sub write($$$;$) {
- my ($hd, $sector, $pt, $info) = @_;
-
- #- handle testing for writing partition table on file only!
- local *F;
- if ($::testing) {
- my $file = "/tmp/partition_table_$hd->{device}";
- open F, ">$file" or die "error opening test file $file";
- } else {
- partition_table_raw::openit($hd, *F, 2) or die "error opening device $hd->{device} for writing";
- c::lseek_sector(fileno(F), $sector, $offset) or return 0;
- }
-
- #- TODO compute checksum
-
- $info->{npartitions} = $nb_primary; #- is it ok?
-
- @$pt == $nb_primary or die "partition table does not have $nb_primary entries";
- $info->{partitions} = join '', map {
- local $_->{type} = $typeFromDos{$_->{type}} || $_->{type};
- pack $format, @$_{@fields};
- } @$pt;
-
- syswrite F, pack($main_format, @$info{@$main_fields}), psizeof($main_format) or return 0;
- 1;
-}
-
-sub info {
- my ($hd) = @_;
- my $dtype_scsi = 4; #- taken from fdisk, removed unused one,
- my $dtype_ST506 = 6; #- see fdisk for more
-
- {
- magic => $magic,
- magic2 => $magic,
- dtype => $hd->{device} =~ /^sd/ ? $dtype_scsi : $dtype_ST506,
- secsize => $common::SECTORSIZE,
- ncylinders => $hd->{geom}{cylinders},
- secpercyl => $hd->cylinder_size(),
- secprtunit => $hd->{geom}{totalsectors},
- rpm => 3600,
- interleave => 1,
- trackskew => 0,
- cylskew => 0,
- headswitch => 0,
- trkseek => 0,
- bbsize => 8192, #- size of boot area, with label
- sbsize => 8192, #- max size of fs superblock
- };
-}
-
-sub clear_raw {
- my ($hd) = @_;
- { raw => [ ({}) x $nb_primary ], info => info($hd) };
-}
-
-sub first_usable_sector { 2048 }
-
-1;