package partition_table_bsd; # $Id$ use diagnostics; use strict; use vars qw(@ISA); @ISA = qw(partition_table_raw); use common qw(:common :system :file :functional); 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($$) { my ($hd, $sector) = @_; my $tmp; local *F; partition_table_raw::openit($hd, *F) or die "failed to open device"; c::lseek_sector(fileno(F), $sector, $offset) or die "reading of partition in sector $sector failed"; sysread F, $tmp, psizeof($main_format) or die "error while reading partition table in sector $sector"; my %info; @info{@$main_fields} = unpack $main_format, $tmp; #- TODO verify checksum my $size = psizeof($format); my @pt = map { my %h; @h{@fields} = unpack $format, $_; $h{type} = $typeToDos{$h{type}} || $h{type}; \%h; } $info{partitions} =~ /(.{$size})/g; #- check magic number $info{magic} == $magic or die "bad magic number"; $info{magic2} == $magic or die "bad magic number"; [ @pt ], \%info; } # write the partition table (and extended ones) # for each entry, it uses fields: start, size, type, active sub write($$$;$) { my ($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) }; } 1; mtim/designWork</option> <option value='user/colin/rescue-systemd'>user/colin/rescue-systemd</option> <option value='user/ennael/mga6'>user/ennael/mga6</option> <option value='user/erwan/bug-13680'>user/erwan/bug-13680</option> <option value='user/jibz/aarch64'>user/jibz/aarch64</option> <option value='user/martinw/mga6'>user/martinw/mga6</option> <option value='user/pterjan/arm64'>user/pterjan/arm64</option> </select> <input type='submit' value='switch'/></form></td></tr> <tr><td class='sub'>Mageia Installer and base platform for many utilities</td><td class='sub right'>Thierry Vignaud [tv]</td></tr></table> <table class='tabs'><tr><td> <a href='/software/drakx/?h=17.81'>summary</a><a href='/software/drakx/refs/?h=17.81&id=f88c47292b5d025700c9b52db0a3cb8128fb3e31'>refs</a><a href='/software/drakx/log/mdk-stage1?h=17.81'>log</a><a href='/software/drakx/tree/mdk-stage1?h=17.81&id=f88c47292b5d025700c9b52db0a3cb8128fb3e31'>tree</a><a class='active' href='/software/drakx/commit/mdk-stage1?h=17.81&id=f88c47292b5d025700c9b52db0a3cb8128fb3e31'>commit</a><a href='/software/drakx/diff/mdk-stage1?h=17.81&id=f88c47292b5d025700c9b52db0a3cb8128fb3e31'>diff</a><a href='/software/drakx/stats/mdk-stage1?h=17.81'>stats</a></td><td class='form'><form class='right' method='get' action='/software/drakx/log/mdk-stage1'> <input type='hidden' name='h' value='17.81'/><input type='hidden' name='id' value='f88c47292b5d025700c9b52db0a3cb8128fb3e31'/><select name='qt'> <option value='grep'>log msg</option> <option value='author'>author</option> <option value='committer'>committer</option> <option value='range'>range</option> </select> <input class='txt' type='search' size='10' name='q' value=''/> <input type='submit' value='search'/> </form> </td></tr></table> <div class='path'>path: <a href='/software/drakx/commit/?h=17.81&id=f88c47292b5d025700c9b52db0a3cb8128fb3e31'>root</a>/<a href='/software/drakx/commit/mdk-stage1?h=17.81&id=f88c47292b5d025700c9b52db0a3cb8128fb3e31'>mdk-stage1</a></div><div class='content'><div class='cgit-panel'><b>diff options</b><form method='get'><input type='hidden' name='h' value='17.81'/><input type='hidden' name='id' value='f88c47292b5d025700c9b52db0a3cb8128fb3e31'/><table><tr><td colspan='2'/></tr><tr><td class='label'>context:</td><td class='ctrl'><select name='context' onchange='this.form.submit();'><option value='1'>1</option><option value='2'>2</option><option value='3' selected='selected'>3</option><option value='4'>4</option><option value='5'>5</option><option value='6'>6</option><option value='7'>7</option><option value='8'>8</option><option value='9'>9</option><option value='10'>10</option><option value='15'>15</option><option value='20'>20</option><option value='25'>25</option><option value='30'>30</option><option value='35'>35</option><option value='40'>40</option></select></td></tr><tr><td class='label'>space:</td><td class='ctrl'><select name='ignorews' onchange='this.form.submit();'><option value='0' selected='selected'>include</option><option value='1'>ignore</option></select></td></tr><tr><td class='label'>mode:</td><td class='ctrl'><select name='dt' onchange='this.form.submit();'><option value='0' selected='selected'>unified</option><option value='1'>ssdiff</option><option value='2'>stat only</option></select></td></tr><tr><td/><td class='ctrl'><noscript><input type='submit' value='reload'/></noscript></td></tr></table></form></div><table summary='commit info' class='commit-info'> <tr><th>author</th><td>Thierry Vignaud <tv@mageia.org></td><td class='right'>2012-09-17 17:59:07 +0000</td></tr> <tr><th>committer</th><td>Thierry Vignaud <tv@mageia.org></td><td class='right'>2012-09-17 17:59:07 +0000</td></tr> <tr><th>commit</th><td colspan='2' class='sha1'><a href='/software/drakx/commit/mdk-stage1?h=17.81&id=f88c47292b5d025700c9b52db0a3cb8128fb3e31'>f88c47292b5d025700c9b52db0a3cb8128fb3e31</a> (<a href='/software/drakx/patch/mdk-stage1?id=f88c47292b5d025700c9b52db0a3cb8128fb3e31'>patch</a>)</td></tr> <tr><th>tree</th><td colspan='2' class='sha1'><a href='/software/drakx/tree/?h=17.81&id=f88c47292b5d025700c9b52db0a3cb8128fb3e31'>c87f5925c838615485f09c570fa52f24a5dcb549</a> /<a href='/software/drakx/tree/mdk-stage1?h=17.81&id=f88c47292b5d025700c9b52db0a3cb8128fb3e31'>mdk-stage1</a></td></tr> <tr><th>parent</th><td colspan='2' class='sha1'><a href='/software/drakx/commit/mdk-stage1?h=17.81&id=f605d42f44ed046ab7152a680624165c837bbcfc'>f605d42f44ed046ab7152a680624165c837bbcfc</a> (<a href='/software/drakx/diff/mdk-stage1?h=17.81&id=f88c47292b5d025700c9b52db0a3cb8128fb3e31&id2=f605d42f44ed046ab7152a680624165c837bbcfc'>diff</a>)</td></tr><tr><th>download</th><td colspan='2' class='sha1'><a href='/software/drakx/snapshot/drakx-f88c47292b5d025700c9b52db0a3cb8128fb3e31.tar'>drakx-f88c47292b5d025700c9b52db0a3cb8128fb3e31.tar</a><br/><a href='/software/drakx/snapshot/drakx-f88c47292b5d025700c9b52db0a3cb8128fb3e31.tar.gz'>drakx-f88c47292b5d025700c9b52db0a3cb8128fb3e31.tar.gz</a><br/><a href='/software/drakx/snapshot/drakx-f88c47292b5d025700c9b52db0a3cb8128fb3e31.tar.bz2'>drakx-f88c47292b5d025700c9b52db0a3cb8128fb3e31.tar.bz2</a><br/><a href='/software/drakx/snapshot/drakx-f88c47292b5d025700c9b52db0a3cb8128fb3e31.tar.xz'>drakx-f88c47292b5d025700c9b52db0a3cb8128fb3e31.tar.xz</a><br/><a href='/software/drakx/snapshot/drakx-f88c47292b5d025700c9b52db0a3cb8128fb3e31.zip'>drakx-f88c47292b5d025700c9b52db0a3cb8128fb3e31.zip</a><br/></td></tr></table> <div class='commit-subject'>add firmware loader written in C (based on hotplug2) (<a href="https://bugs.mageia.org/6323">mga#6323</a>)</div><div class='commit-msg'>