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author	Yuri Chornoivan <yurchor@ukr.net>	2020-08-02 10:00:50 +0300
committer	Yuri Chornoivan <yurchor@ukr.net>	2020-08-02 10:00:50 +0300
commit	4e2cdc616beb8b4f7729e81cdbc22b0a002c9c89 (patch)
tree	98d3b878cbc79b0fa762415aeac079f380e1c4d6 /2
parent	b63797b312855ae0c465bf9b00421a175733c73e (diff)
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Update Asturian translation

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package partition_table::raw; # $Id$ use diagnostics; use strict; use common; use devices; use detect_devices; use log; use c; my @MBR_signatures = ( if_(arch() =~ /ppc/, map { [ 'yaboot', 0, "PM", 0x200 * $_ + 0x10, "bootstrap\0" ] } 0 .. 61 ), [ 'empty', 0, "\0\0\0\0" ], [ 'grub', 0, "\xEBG", 0x17d, "stage1 \0" ], [ 'grub', 0, "\xEBH", 0x17e, "stage1 \0" ], [ 'grub', 0, "\xEBH", 0x18a, "stage1 \0" ], [ 'grub', 0, "\xEBH", 0x181, "GRUB \0" ], [ 'lilo', 0x2, "LILO" ], [ 'lilo', 0x6, "LILO" ], [ 'grub', 0x6, "GRUB" ], [ 'osbs', 0x2, "OSBS" ], #- http://www.prz.tu-berlin.de/~wolf/os-bs.html [ 'pqmagic', 0xef, "PQV" ], [ 'BootStar', 0x130, "BootStar:" ], [ 'DocsBoot', 0x148, 'DocsBoot' ], [ 'system_commander', 0x1ad, "SYSCMNDRSYS" ], [ 'Be Os', 0x24, 'Boot Manager' ], [ 'os2', 0, "\xFA\xB8\x30\x00", 0xfA, "OS/2" ], [ 'TimO', 0, 'IBM Thinkpad hibernation partition' ], [ 'dos', 0xa0, "\x25\x03\x4E\x02\xCD\x13" ], [ 'dos', 0xa0, "\x00\xB4\x08\xCD\x13\x72" ], #- nt2k's [ 'dos', 0x60, "\xBB\x00\x7C\xB8\x01\x02\x57\xCD\x13\x5F\x73\x0C\x33\xC0\xCD\x13" ], #- nt's [ 'dos', 0x70, "\x0C\x33\xC0\xCD\x13\x4F\x75\xED\xBE\xA3" ], [ 'freebsd', 0xC0, "\x00\x30\xE4\xCD\x16\xCD\x19\xBB\x07\x00\xB4" ], [ 'freebsd', 0x160, "\x6A\x10\x89\xE6\x48\x80\xCC\x40\xCD\x13" ], [ 'dummy', 0xAC, "\x0E\xB3\x07\x56\xCD\x10\x5E\xEB" ], #- caldera? [ 'ranish', 0x100, "\x6A\x10\xB4\x42\x8B\xF4\xCD\x13\x8B\xE5\x73" ], [ 'os2', 0x1c2, "\x0A" ], [ 'Acronis', 0, "\xE8\x12\x01" ], ); sub typeOfMBR($) { typeFromMagic(devices::make($_[0]), @MBR_signatures) } sub typeOfMBR_($) { typeFromMagic($_[0], @MBR_signatures) } sub hasExtended { 0 } sub set_best_geometry_for_the_partition_table {} sub cylinder_size($) { my ($hd) = @_; $hd->{geom}{sectors} * $hd->{geom}{heads}; } sub first_usable_sector { 1 } sub last_usable_sector { my ($hd) = @_; $hd->{totalsectors}; } #- default method for starting a partition, only head size or twice #- is allowed for starting a partition after a cylinder boundarie. sub adjustStart($$) { my ($hd, $part) = @_; my $end = $part->{start} + $part->{size}; $part->{start} = round_up($part->{start}, $part->{start} % cylinder_size($hd) < 2 * $hd->{geom}{sectors} ? $hd->{geom}{sectors} : cylinder_size($hd)); $part->{size} = $end - $part->{start}; $part->{size} > 0 or die "adjustStart get a too small partition to handle correctly"; } #- adjusting end to match a cylinder boundary, two methods are used and must #- match at the end, else something is wrong and nothing will be done on #- partition table. #- $end2 is computed by removing 2 (or only 1 if only 2 heads on drive) groups #- of sectors, this is necessary to handle extended partition where logical #- partition start after 1 (or 2 accepted) groups of sectors (typically 63). #- $end is floating (is not on cylinder boudary) so we have to choice a good #- candidate, $end1 or $end2 should always be good except $end1 for small #- partition size. sub adjustEnd($$) { my ($hd, $part) = @_; my $end = $part->{start} + $part->{size}; $end > $hd->{geom}{cylinders} * cylinder_size($hd) && $end <= $hd->{totalsectors} and return; my $end1 = round_down($end, cylinder_size($hd)); my $end2 = round_up($end - ($hd->{geom}{heads} > 2 ? 2 : 1) * $hd->{geom}{sectors}, cylinder_size($hd)); $end2 <= $hd->{geom}{cylinders} * cylinder_size($hd) or die "adjustEnd go beyond end of device geometry ($end2 > $hd->{totalsectors})"; $part->{size} = ($end1 - $part->{start} > cylinder_size($hd) ? $end1 : $end2) - $part->{start}; $part->{size} > 0 or internal_error("adjustEnd get a too small partition to handle correctly"); } sub compute_nb_cylinders { my ($geom, $totalsectors) = @_; $geom->{cylinders} = int $totalsectors / $geom->{heads} / $geom->{sectors}; } sub get_geometry($) { my ($dev) = @_; my $g = ""; sysopen(my $F, $dev, 0) or return; ioctl($F, c::HDIO_GETGEO(), $g) or return; my %geom; @geom{qw(heads sectors cylinders start)} = unpack "CCSL", $g; $geom{totalcylinders} = $geom{cylinders}; my $total; #- $geom{cylinders} is no good (only a ushort, that means less than 2^16 => at best 512MB) if ($total = c::total_sectors(fileno $F)) { compute_nb_cylinders(\%geom, $total); } else { $total = $geom{heads} * $geom{sectors} * $geom{cylinders} } { geom => \%geom, totalsectors => $total }; } sub openit { my ($hd, $o_mode) = @_; my $F; sysopen($F, $hd->{file}, $o_mode || 0) && $F; } sub raw_removed { my ($_hd, $_raw) = @_; } sub can_raw_add { my ($hd) = @_; $_->{size} || $_->{pt_type} or return 1 foreach @{$hd->{primary}{raw}}; 0; } sub raw_add { my ($_hd, $raw, $part) = @_; foreach (@$raw) { $_->{size} || $_->{pt_type} and next; $_ = $part; return; } die "raw_add: partition table already full"; } sub zero_MBR { my ($hd) = @_; #- force the standard partition type for the architecture my $type = arch() =~ /ia64/ ? 'gpt' : arch() eq "alpha" ? "bsd" : arch() =~ /^sparc/ ? "sun" : arch() eq "ppc" ? "mac" : "dos"; #- override standard mac type on PPC for IBM machines to dos $type = "dos" if arch() =~ /ppc/ && detect_devices::get_mac_model() =~ /^IBM/; require "partition_table/$type.pm"; bless $hd, "partition_table::$type"; $hd->{primary} = $hd->clear_raw; delete $hd->{extended}; } sub zero_MBR_and_dirty { my ($hd) = @_; my @parts = (partition_table::get_normal_parts($hd), if_($hd->{primary}{extended}, $hd->{primary}{extended})); partition_table::will_tell_kernel($hd, del => $_) foreach @parts; zero_MBR($hd); } #- ugly stuff needed mainly for Western Digital IDE drives #- try writing what we've just read, yells if it fails #- testing on last sector of head #0 (unused in 99% cases) #- #- return false if the device can't be written to (especially for Smartmedia) sub test_for_bad_drives { my ($hd) = @_; log::l("test_for_bad_drives($hd->{file})"); my $sector = $hd->{geom}{sectors} - 1; sub error { die "$_[0] error: $_[1]" } my $F = openit($hd, $::testing ? 0 : 2) or error(openit($hd) ? 'write' : 'read', "can't open device"); my $seek = sub { c::lseek_sector(fileno($F), $sector, 0) or error('read', "seeking to sector $sector failed"); }; my $tmp; &$seek; sysread $F, $tmp, $SECTORSIZE or error('read', "can't even read ($!)"); return if $hd->{readonly} || $::testing; &$seek; syswrite $F, $tmp or error('write', "can't even write ($!)"); my $tmp2; &$seek; sysread $F, $tmp2, $SECTORSIZE or die "test_for_bad_drives: can't even read again ($!)"; $tmp eq $tmp2 or die N("Something bad is happening on your drive. A test to check the integrity of data has failed. It means writing anything on the disk will end up with random, corrupted data."); } 1;


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