package bootloader; # $Id$ use diagnostics; use strict; use vars qw(%vga_modes); #-###################################################################################### #- misc imports #-###################################################################################### use common; use partition_table qw(:types); use log; use any; use fsedit; use devices; use loopback; use detect_devices; use partition_table::raw; use run_program; use modules; %vga_modes = ( 'ask' => "Ask at boot", 'normal' => "Normal", '0x0f01' => "80x50", '0x0f02' => "80x43", '0x0f03' => "80x28", '0x0f05' => "80x30", '0x0f06' => "80x34", '0x0f07' => "80x60", '0x0122' => "100x30", 785 => "640x480 in 16 bits (FrameBuffer only)", 788 => "800x600 in 16 bits (FrameBuffer only)", 791 => "1024x768 in 16 bits (FrameBuffer only)", 794 => "1280x1024 in 16 bits (FrameBuffer only)", ); #-##################################################################################### #- Functions #-##################################################################################### sub get { my ($kernel, $bootloader) = @_; $_->{kernel_or_dev} && $_->{kernel_or_dev} eq $kernel and return $_ foreach @{$bootloader->{entries}}; undef; } sub get_label { my ($label, $bootloader) = @_; $_->{label} && lc(substr($_->{label}, 0, 15)) eq lc(substr($label, 0, 15)) and return $_ foreach @{$bootloader->{entries}}; undef; } sub mkinitrd { my ($kernelVersion, $initrdImage) = @_; $::testing || -e "$::prefix/$initrdImage" and return 1; my $loop_boot = loopback::prepare_boot(); modules::load('loop'); if (!run_program::rooted($::prefix, "mkinitrd", "-v", "-f", $initrdImage, "--ifneeded", $kernelVersion)) { unlink("$::prefix/$initrdImage"); die "mkinitrd failed"; } loopback::save_boot($loop_boot); -e "$::prefix/$initrdImage"; } sub mkbootdisk { my ($kernelVersion, $dev, $append) = @_; modules::load(if_(arch() =~ /sparc/, 'romfs'), 'loop', 'vfat'); my @l = if_($append, '--appendargs', $append); run_program::rooted_or_die($::prefix, 'mkbootdisk', '--noprompt', @l, '--device', "/dev/$dev", $kernelVersion); } sub read() { my $file = sprintf("/etc/%s.conf", arch() =~ /sparc/ ? 'silo' : arch() =~ /ppc/ ? 'yaboot' : 'lilo'); my $global = 1; my ($e, $v); my %b; foreach (cat_("$::prefix$file")) { next if /^\s*#/ || /^\s*$/; ($_, $v) = /^\s*([^=\s]+)\s*(?:=\s*(.*?))?\s*$/ or log::l("unknown line in lilo.conf: $_"), next; if (/^(image|other)$/) { if (arch() =~ /ppc/) { $v =~ s/hd:\d+,//g; } push @{$b{entries}}, $e = { type => $_, kernel_or_dev => $v }; $global = 0; } elsif ($global) { if ($_ eq 'disk' && $v =~ /(\S+)\s+bios\s*=\s*(\S+)/) { $b{bios}{$1} = $2; } elsif ($_ eq 'bios') { $b{bios}{$b{disk}} = $v; } elsif ($_ eq 'init-message') { $v =~ s/\\n//g; $v =~ s/"//g; $b{'init-message'} = $v; } else { $b{$_} = $v || 1; } } else { if ((/map-drive/ .. /to/) && /to/) { $e->{mapdrive}{$e->{'map-drive'}} = $v; } else { if (arch() =~ /ppc/) { $v =~ s/hd:\d+,//g; $v =~ s/"//g; } $e->{$_} = $v || 1 if !member($_, 'read-only'); } } } if (arch() !~ /ppc/) { delete $b{timeout} unless $b{prompt}; sub remove_quotes_and_spaces { local ($_) = @_; s/^\s*//; s/\s*$//; s/^"(.*?)"$/$1/; $_; } $_->{append} = remove_quotes_and_spaces($_->{append}) foreach \%b, @{$b{entries}}; $_->{label} = remove_quotes_and_spaces($_->{label}) foreach @{$b{entries}}; $b{default} = remove_quotes_and_spaces($b{default}) if $b{default}; $b{timeout} = $b{timeout} / 10 if $b{timeout}; $b{message} = cat_("$::prefix$b{message}") if $b{message}; } #- cleanup duplicate labels (in case file is corrupted) my %seen; @{$b{entries}} = grep { !$seen{$_->{label}}++ } @{$b{entries}}; \%b; } sub suggest_onmbr { my ($hd) = @_; my ($onmbr, $unsafe) = (1, 1); if (my $type = partition_table::raw::typeOfMBR($hd->{device})) { if (member($type, qw(dos dummy empty))) { $unsafe = 0; } elsif (!member($type, qw(lilo grub))) { $onmbr = 0; } log::l("bootloader::suggest_onmbr: type $type, onmbr $onmbr, unsafe $unsafe"); } ($onmbr, $unsafe); } sub mixed_kind_of_disks { my ($hds) = @_; (find { $_->{device} =~ /^sd/ } @$hds) && (find { $_->{device} =~ /^hd/ } @$hds) || (find { $_->{device} =~ /^hd[e-z]/ } @$hds) && (find { $_->{device} =~ /^hd[a-d]/ } @$hds); } sub same_entries { my ($a, $b) = @_; foreach (uniq(keys %$a, keys %$b)) { if ($_ eq 'label') { next; } elsif ($_ eq 'append') { next if join(' ', sort split(' ', $a->{$_})) eq join(' ', sort split(' ', $b->{$_})) } else { next if $a->{$_} eq $b->{$_}; my ($inode_a, $inode_b) = map { (stat "$::prefix$_")[1] } ($a->{$_}, $b->{$_}); next if $inode_a && $inode_b && $inode_a == $inode_b; } log::l("entries $a->{label} don't have same $_: $a->{$_} ne $b->{$_}"); return; } 1; } sub add_entry { my ($bootloader, $v) = @_; my $to_add = $v; foreach my $label ($v->{label}, map { 'old' . $_ . '_' . $v->{label} } ('', 2..10)) { my $conflicting = get_label($label, $bootloader); $to_add->{label} = $label; if ($conflicting) { #- replacing $conflicting with $to_add @{$bootloader->{entries}} = map { $_ == $conflicting ? $to_add : $_ } @{$bootloader->{entries}}; } else { #- we have found an unused label push @{$bootloader->{entries}}, $to_add; } if (!$conflicting || same_entries($conflicting, $to_add)) { log::l("current labels: " . join(" ", map { $_->{label} } @{$bootloader->{entries}})); return $v; } $to_add = $conflicting; } die 'add_entry'; } sub add_kernel { my ($bootloader, $version, $ext, $root, $v) = @_; #- new versions of yaboot don't handle symlinks my $ppcext = $ext; if (arch() =~ /ppc/) { $ext = "-$version"; } log::l("adding vmlinuz$ext as vmlinuz-$version"); -e "$::prefix/boot/vmlinuz-$version" or log::l("unable to find kernel image $::prefix/boot/vmlinuz-$version"), return; my $image = "/boot/vmlinuz" . ($ext ne "-$version" && symlinkf("vmlinuz-$version", "$::prefix/boot/vmlinuz$ext") ? $ext : "-$version"); my $initrd = "/boot/initrd-$version.img"; mkinitrd($version, $initrd) or undef $initrd; if ($initrd && $ext ne "-$version") { $initrd = "/boot/initrd$ext.img"; symlinkf("initrd-$version.img", "$::prefix$initrd") or cp_af("$::prefix/boot/initrd-$version.img", "$::prefix$initrd"); } my $label = $ext =~ /-(default)/ ? $1 : ($ext =~ /\d\./ ? sanitize_ver("linux-$version") : "linux$ext"); #- more yaboot concessions - PPC if (arch() =~ /ppc/) { $label = $ppcext =~ /-(default)/ ? $1 : "linux$ppcext"; } add2hash($v, { type => 'image', root => "/dev/$root", label => $label, kernel_or_dev => $image, initrd => $initrd, append => $bootloader->{perImageAppend}, }); add_entry($bootloader, $v); } sub duplicate_kernel_entry { my ($bootloader, $new_label) = @_; get_label($new_label, $bootloader) and return; my $entry = { %{ get_label('linux', $bootloader) }, label => $new_label }; add_entry($bootloader, $entry); } sub unpack_append { my ($s) = @_; my @l = split(' ', $s); [ grep { !/=/ } @l ], [ map { if_(/(.*?)=(.*)/, [$1, $2]) } @l ]; } sub pack_append { my ($simple, $dict) = @_; join(' ', @$simple, map { "$_->[0]=$_->[1]" } @$dict); } sub append__mem_is_memsize { $_[0] =~ /^\d+[kM]?$/i } sub get_append { my ($b, $key) = @_; my (undef, $dict) = unpack_append($b->{perImageAppend}); my @l = map { $_->[1] } grep { $_->[0] eq $key } @$dict; #- suppose we want the memsize @l = grep { append__mem_is_memsize($_) } @l if $key eq 'mem'; log::l("more than one $key in $b->{perImageAppend}") if @l > 1; $l[0]; } sub add_append { my ($b, $key, $val) = @_; foreach (\$b->{perImageAppend}, map { \$_->{append} } grep { $_->{type} eq 'image' } @{$b->{entries}}) { my ($simple, $dict) = unpack_append($$_); @$dict = grep { $_->[0] ne $key || $key eq 'mem' && append__mem_is_memsize($_->[1]) != append__mem_is_memsize($val) } @$dict; push @$dict, [ $key, $val ] if $val; $$_ = pack_append($simple, $dict); log::l("add_append: $$_"); } } sub may_append { my ($b, $key, $val) = @_; add_append($b, $key, $val) if !get_append($b, $key); } sub configure_entry { my ($entry) = @_; if ($entry->{type} eq 'image') { my $specific_version; $entry->{kernel_or_dev} =~ /vmlinu.-(.*)/ and $specific_version = $1; readlink("$::prefix/$entry->{kernel_or_dev}") =~ /vmlinu.-(.*)/ and $specific_version = $1; if ($specific_version) { $entry->{initrd} or $entry->{initrd} = "/boot/initrd-$specific_version.img"; mkinitrd($specific_version, $entry->{initrd}) or undef $entry->{initrd}; } } $entry; } sub dev2prompath { #- SPARC only my ($dev) = @_; my ($wd, $num) = $dev =~ /^(.*\D)(\d*)$/; require c; $dev = c::disk2PromPath($wd) and $dev = $dev =~ /^sd\(/ ? "$dev$num" : "$dev;$num"; $dev; } sub get_kernels_and_labels() { my $dir = "$::prefix/boot"; my @l = grep { /^vmlinuz-/ } all($dir); my @kernels = grep { ! -l "$dir/$_" } @l; my @preferred = ('', 'secure', 'enterprise', 'smp'); my %weights = map_index { $_ => $::i } @preferred; require pkgs; @kernels = sort { c::rpmvercmp($b->[1], $a->[1]) || $weights{$a->[2]} <=> $weights{$b->[2]} } grep { -d "$::prefix/lib/modules/$_->[0]" } map { if (my ($version, $ext) = /vmlinuz-((?:[\-.\d]*(?:mdk)?)*)(.*)/) { [ "$version$ext", $version, $ext ]; } else { log::l("non recognised kernel name $_"); (); } } @kernels; my %majors; foreach (@kernels) { push @{$majors{$1}}, $_ if $_->[1] =~ /^(2\.\d+)/ } while (my ($major, $l) = each %majors) { $l->[0][1] = $major if @$l == 1; } my %labels; foreach (@kernels) { my ($complete_version, $version, $ext) = @$_; my $label = ''; if (exists $labels{$label}) { $label = "-$ext"; if (!$ext || $labels{$label}) { $label = "-$version$ext"; } } $labels{$label} = $complete_version; } %labels; } # sanitize_ver: long function when it could be shorter but we are sure # to catch everything and can be readable if we want to # add new scheme name. # DUPLICATED from /usr/share/loader/common.pm my $mdksub = "smp|enterprise|secure|linus|mosix|BOOT|custom"; sub sanitize_ver { my $string = shift; my $return; (my $ehad, my $chtaim, my $chaloch, my $arba, my $hamesh, my $chech); #where that names come from ;) $string =~ m|([^-]+)-([^-]+)(-([^-]+))?(-([^-]*))?|; $ehad = $1; $chtaim = $2; $chaloch = $3; $arba = $4; $hamesh = $5; $chech = $6; if ($chtaim =~ m|mdk| and $chech =~ m|mdk(${mdksub})|) { #new mdk with mdksub my $s = $1; $chtaim =~ m|^(\d+)\.(\d+)\.(\d+)\.(\d+)mdk|; $return = "$1$2$3-$4$s"; } elsif ($chaloch =~ m|mdk| and $chtaim =~ /pre\d+/ and $arba =~ m|(\d+)mdk(${mdksub})?|) { #new mdk with mdksub my $r = $1; my $s = $2 ? $2 : ""; $chtaim =~ m|^(\d+)\.(\d+)\.(\d+)pre(\d+)|; $return = "$1$2$3-p$4$r$s"; } elsif ($chtaim =~ m|mdk$|) { #new mdk $chtaim =~ m|^(\d+)\.(\d+)\.(\d+)\.(\d+)mdk$|; $return = "$1$2$3-$4"; } elsif ($chaloch =~ m|(\d+)mdk(${mdksub})$|) { #old mdk with mdksub my $s = "$1$2"; $chtaim =~ m|^(\d+)\.(\d+)\.(\d+)|; $return = "$1$2$3-$s"; } elsif ($chaloch =~ m|(\d+)mdk$|) { #old mdk my $s = $1; $chtaim =~ m|^(\d+)\.(\d+)\.(\d+)|; $return = "$1$2$3-$s"; } elsif (not defined($chaloch)) { #linus/marcelo vanilla $chtaim =~ m|^(\d+)\.(\d+)\.(\d+)$|; $return = "$1$2$3"; } else { #a pre ac vanilla or whatever with EXTRAVERSION $chtaim =~ m|^(\d+)\.(\d+)\.(\d+)$|; $return = "$1$2$3${chaloch}"; } $return =~ s|\.||g; $return =~ s|mdk||; $return =~ s|secure|sec|; $return =~ s|enterprise|ent|; return $return; } sub suggest { my ($bootloader, $hds, $fstab, %options) = @_; my $root_part = fsedit::get_root($fstab); my $root = isLoopback($root_part) ? "loop7" : $root_part->{device}; my $boot = fsedit::get_root($fstab, 'boot')->{device}; my $partition = first($boot =~ /\D*(\d*)/); #- PPC xfs module requires enlarged initrd my $xfsroot = isThisFs("xfs", $root_part); require c; c::initSilo() if arch() =~ /sparc/; my ($onmbr, $unsafe) = $bootloader->{crushMbr} ? (1, 0) : suggest_onmbr($hds->[0]); add2hash_($bootloader, arch() =~ /sparc/ ? { entries => [], timeout => 10, use_partition => 0, #- we should almost always have a whole disk partition. root => "/dev/$root", partition => $partition || 1, boot => $root eq $boot && "/boot", #- this helps for getting default partition for silo. } : arch() =~ /ppc/ ? { defaultos => "linux", entries => [], 'init-message' => "Welcome to Mandrake Linux!", delay => 30, #- OpenFirmware delay timeout => 50, enableofboot => 1, enablecdboot => 1, useboot => $boot, xfsroot => $xfsroot, } : { bootUnsafe => $unsafe, entries => [], timeout => $onmbr && 10, nowarn => 1, if_(arch() !~ /ia64/, boot => "/dev/" . ($onmbr ? $hds->[0]{device} : fsedit::get_root($fstab, 'boot')->{device}), map => "/boot/map", ), }); if (!$bootloader->{message} || $bootloader->{message} eq "1") { $bootloader->{message} = join('', cat_("$::prefix/boot/message")); if (!$bootloader->{message}) { my $msg_en = #-PO: these messages will be displayed at boot time in the BIOS, use only ASCII (7bit) N_("Welcome to %s the operating system chooser! Choose an operating system from the list above or wait %d seconds for default boot. "); my $msg = translate($msg_en); #- use the english version if more than 20% of 8bits chars $msg = $msg_en if int(grep { $_ & 0x80 } unpack "c*", $msg) / length($msg) > 0.2; $bootloader->{message} = sprintf $msg, arch() =~ /sparc/ ? "SILO" : "LILO", $bootloader->{timeout}; } } add2hash_($bootloader, { memsize => $1 }) if cat_("/proc/cmdline") =~ /\bmem=(\d+[KkMm]?)(?:\s.*)?$/; if (my ($s, $port, $speed) = cat_("/proc/cmdline") =~ /console=(ttyS(\d),(\d+)\S*)/) { log::l("serial console $s $port $speed"); add_append($bootloader, 'console' => $s); any::set_login_serial_console($port, $speed); } my %labels = get_kernels_and_labels(); $labels{''} or die "no kernel installed"; while (my ($ext, $version) = each %labels) { my $entry = add_kernel($bootloader, $version, $ext, $root, { if_($options{vga_fb} && $ext eq '', vga => $options{vga_fb}), #- using framebuffer }); $entry->{append} .= " quiet" if $options{vga_fb} && $version !~ /smp|enterprise/ && $options{quiet}; if ($options{vga_fb} && $ext eq '') { add_kernel($bootloader, $version, $ext, $root, { label => 'linux-nonfb' }); } } #- remove existing libsafe, don't care if the previous one was modified by the user? @{$bootloader->{entries}} = grep { $_->{label} ne 'failsafe' } @{$bootloader->{entries}}; my $failsafe = add_kernel($bootloader, $labels{''}, '', $root, { label => 'failsafe' }); $failsafe->{append} =~ s/devfs=mount/devfs=nomount/; $failsafe->{append} .= " failsafe"; if (arch() =~ /sparc/) { #- search for SunOS, it could be a really better approach to take into account #- partition type for mounting point. my $sunos = 0; foreach (@$hds) { foreach (@{$_->{primary}{normal}}) { my $path = $_->{device} =~ m|^/| && $_->{device} !~ m|^/dev/| ? $_->{device} : dev2prompath($_->{device}); add_entry($bootloader, { type => 'other', kernel_or_dev => $path, label => "sunos" . ($sunos++ ? $sunos : ''), }) if $path && isSunOS($_) && type2name($_->{type}) =~ /root/i; } } } elsif (arch() =~ /ppc/) { #- if we identified a MacOS partition earlier - add it if (defined $partition_table::mac::macos_part) { add_entry($bootloader, { label => "macos", kernel_or_dev => $partition_table::mac::macos_part }); } } elsif (arch() !~ /ia64/) { #- search for dos (or windows) boot partition. Don't look in extended partitions! my %nbs; foreach (@$hds) { foreach (@{$_->{primary}{normal}}) { isFat_or_NTFS($_) or next; my $from_magic = { type => fsedit::typeOfPart($_->{device}) }; isFat_or_NTFS($from_magic) or next; my $label = isDos($_) ? 'dos' : 'windows'; add_entry($bootloader, { type => 'other', kernel_or_dev => "/dev/$_->{device}", label => $label . ($nbs{$label}++ ? $nbs{$label} : ''), $_->{device} =~ /[1-4]$/ ? ( table => "/dev/$_->{rootDevice}" ) : ( unsafe => 1 ), }) } } } foreach ('secure', 'enterprise', 'smp') { if (get_label("linux-$_", $bootloader)) { $bootloader->{default} ||= "linux-$_"; last; } } $bootloader->{default} ||= "linux"; $bootloader->{method} = first(method_choices($fstab)); } sub method_choices { my ($fstab) = @_; my %choices = ( if_(arch() =~ /sparc/, 'silo' => N("SILO"), ), if_(arch() !~ /sparc|ppc/ && !isLoopback(fsedit::get_root($fstab)), 'lilo-graphic' => N("LILO with graphical menu"), 'lilo-menu' => N("LILO with text menu"), ), if_(arch() !~ /sparc|ppc/ && !isRAID(fsedit::get_root($fstab)), 'grub' => N("Grub"), ), if_(arch() =~ /ppc/, 'yaboot' => N("Yaboot"), ), ); my $prefered; $prefered ||= 'grub' if $::isStandalone && run_program::rooted_get_stdout($::prefix, 'detectloader') =~ /GRUB/; $prefered ||= 'lilo-graphic'; my $default = exists $choices{$prefered} ? $prefered : first(keys %choices); $default, \%choices; } sub suggest_floppy { my ($bootloader) = @_; my $floppy = detect_devices::floppy() or return; $floppy eq 'fd0' or log::l("suggest_floppy: not adding $floppy"), return; add_entry($bootloader, { type => 'other', kernel_or_dev => '/dev/fd0', label => 'floppy', unsafe => 1 }); } sub keytable { my ($f) = @_; $f or return; if ($f !~ /\.klt$/) { my $file = "/boot/$f.klt"; run_program::rooted($::prefix, "keytab-lilo.pl", ">", $file, $f) or return; $f = $file; } -r "$::prefix/$f" && $f; } sub has_profiles { my ($b) = @_; to_bool(get_label("office", $b)) } sub set_profiles { my ($b, $want_profiles) = @_; my $office = get_label("office", $b); if ($want_profiles xor $office) { my $e = get_label("linux", $b); if ($want_profiles) { push @{$b->{entries}}, { %$e, label => "office", append => "$e->{append} prof=Office" }; $e->{append} .= " prof=Home"; } else { # remove profiles $e->{append} =~ s/\s*prof=\w+//; @{$b->{entries}} = grep { $_ != $office } @{$b->{entries}}; } } } sub get_of_dev { my ($unix_dev) = @_; my $of_dev; run_program::rooted_or_die($::prefix, "/usr/sbin/ofpath", ">", \$of_dev, $unix_dev); chomp($of_dev); log::l("OF Device: $of_dev"); $of_dev; } sub install_yaboot { my ($bootloader, $_fstab, $_hds) = @_; $bootloader->{prompt} = $bootloader->{timeout}; if ($bootloader->{message}) { eval { output("$::prefix/boot/message", $bootloader->{message}) } or $bootloader->{message} = 0; } { local $\ = "\n"; my $f = "$::prefix/etc/yaboot.conf"; local *F; open F, ">$f" or die "cannot create yaboot config file: $f"; log::l("writing yaboot config to $f"); print F "#yaboot.conf - generated by DrakX"; print F "init-message=\"\\n$bootloader->{'init-message'}\\n\"" if $bootloader->{'init-message'}; if ($bootloader->{boot}) { print F "boot=$bootloader->{boot}"; my $of_dev = get_of_dev($bootloader->{boot}); print F "ofboot=$of_dev"; } else { die "no bootstrap partition defined." } $bootloader->{$_} and print F "$_=$bootloader->{$_}" foreach qw(delay timeout); print F "install=/usr/lib/yaboot/yaboot"; print F "magicboot=/usr/lib/yaboot/ofboot"; $bootloader->{$_} and print F $_ foreach qw(enablecdboot enableofboot); $bootloader->{$_} and print F "$_=$bootloader->{$_}" foreach qw(defaultos default); #- print F "nonvram"; my $boot = "/dev/" . $bootloader->{useboot} if $bootloader->{useboot}; foreach (@{$bootloader->{entries}}) { if ($_->{type} eq "image") { my $of_dev = ''; if ($boot !~ /$_->{root}/ && $boot) { $of_dev = get_of_dev($boot); print F "$_->{type}=$of_dev," . substr($_->{kernel_or_dev}, 5); } else { $of_dev = get_of_dev($_->{root}); print F "$_->{type}=$of_dev,$_->{kernel_or_dev}"; } print F "\tlabel=", substr($_->{label}, 0, 15); #- lilo doesn't handle more than 15 char long labels print F "\troot=$_->{root}"; if ($boot !~ /$_->{root}/ && $boot) { print F "\tinitrd=$of_dev," . substr($_->{initrd}, 5) if $_->{initrd}; } else { print F "\tinitrd=$of_dev,$_->{initrd}" if $_->{initrd}; } #- xfs module on PPC requires larger initrd - say 6MB? print F "\tinitrd-size=6144" if $bootloader->{xfsroot}; print F "\tappend=\" $_->{append}\"" if $_->{append}; print F "\tread-write" if $_->{'read-write'}; print F "\tread-only" if !$_->{'read-write'}; } else { my $of_dev = get_of_dev($_->{kernel_or_dev}); print F "$_->{label}=$of_dev"; } } } log::l("Installing boot loader..."); my $f = "$::prefix/tmp/of_boot_dev"; my $of_dev = get_of_dev($bootloader->{boot}); output($f, "$of_dev\n"); $::testing and return; if (defined $install_steps_interactive::new_bootstrap) { run_program::run("hformat", $bootloader->{boot}) or die "hformat failed"; } my $error; run_program::rooted($::prefix, "/usr/sbin/ybin", "2>", \$error) or die "ybin failed: $error"; } sub install_silo { my ($silo, $fstab) = @_; my $boot = fsedit::get_root($fstab, 'boot')->{device}; my ($wd, $_num) = $boot =~ /^(.*\D)(\d*)$/; #- setup boot promvars for. require c; if ($boot =~ /^md/) { #- get all mbr devices according to /boot are listed, #- then join all zero based partition translated to prom with ';'. #- keep bootdev with the first of above. log::l("/boot is present on raid partition which is not currently supported for promvars"); } else { if (!$silo->{use_partition}) { foreach (@$fstab) { if (!$_->{start} && $_->{device} =~ /$wd/) { $boot = $_->{device}; log::l("found a zero based partition in $wd as $boot"); last; } } } $silo->{bootalias} = c::disk2PromPath($boot); $silo->{bootdev} = $silo->{bootalias}; log::l("preparing promvars for device=$boot"); } c::hasAliases() or log::l("clearing promvars alias as non supported"), $silo->{bootalias} = ''; if ($silo->{message}) { eval { output("$::prefix/boot/message", $silo->{message}) } or $silo->{message} = 0; } { local $\ = "\n"; my $f = "$::prefix/boot/silo.conf"; #- always write the silo.conf file in /boot ... symlinkf "../boot/silo.conf", "$::prefix/etc/silo.conf"; #- ... and make a symlink from /etc. local *F; open F, ">$f" or die "cannot create silo config file: $f"; log::l("writing silo config to $f"); $silo->{$_} and print F "$_=$silo->{$_}" foreach qw(partition root default append); $silo->{$_} and print F $_ foreach qw(restricted); print F "password=", $silo->{password} if $silo->{restricted} && $silo->{password}; #- also done by msec print F "timeout=", round(10 * $silo->{timeout}) if $silo->{timeout}; print F "message=$silo->{boot}/message" if $silo->{message}; foreach (@{$silo->{entries}}) { #-my ($v, $e) = each %{$silo->{entries}}) { my $type = "$_->{type}=$_->{kernel_or_dev}"; $type =~ s|/boot|$silo->{boot}|; print F $type; print F "\tlabel=$_->{label}"; if ($_->{type} eq "image") { my $initrd = $_->{initrd}; $initrd =~ s|/boot|$silo->{boot}|; print F "\tpartition=$_->{partition}" if $_->{partition}; print F "\troot=$_->{root}" if $_->{root}; print F "\tinitrd=$initrd" if $_->{initrd}; print F "\tappend=\"$1\"" if $_->{append} =~ /^\s*"?(.*?)"?\s*$/; print F "\tread-write" if $_->{'read-write'}; print F "\tread-only" if !$_->{'read-write'}; } } } log::l("Installing boot loader..."); if (!$::testing) { my $error; run_program::rooted($::prefix, "silo", \$error, if_($silo->{use_partition}, "-t")) or run_program::rooted($::prefix, "silo", "-p", "2", if_($silo->{use_partition}, "-t")) or die "silo failed: $error"; #- try writing in the prom. log::l("setting promvars alias=$silo->{bootalias} bootdev=$silo->{bootdev}"); require c; c::setPromVars($silo->{bootalias}, $silo->{bootdev}); } } sub make_label_lilo_compatible { my ($label) = @_; $label = substr($label, 0, 15); #- lilo doesn't handle more than 15 char long labels qq("$label"); } sub write_lilo_conf { my ($bootloader, $fstab, $hds) = @_; $bootloader->{prompt} = $bootloader->{timeout}; my $file2fullname = sub { my ($file) = @_; if (arch() =~ /ia64/) { (my $part, $file) = fsedit::file2part($fstab, $file); my %hds = map_index { $_ => "hd$::i" } map { $_->{device} } sort { isFat($b) <=> isFat($a) || $a->{device} cmp $b->{device} } fsedit::get_fstab(@$hds); $hds{$part->{device}} . ":" . $file; } else { $file } }; my %bios2dev = map_index { $::i => $_ } dev2bios($hds, $bootloader->{first_hd_device} || $bootloader->{boot}); my %dev2bios = reverse %bios2dev; if (is_empty_hash_ref($bootloader->{bios} ||= {})) { my $dev = $hds->[0]{device}; if ($dev2bios{$dev}) { log::l("Since we're booting on $bios2dev{0}, make it bios=0x80, whereas $dev is now " . (0x80 + $dev2bios{$dev})); $bootloader->{bios}{"/dev/$bios2dev{0}"} = '0x80'; $bootloader->{bios}{"/dev/$dev"} = sprintf("0x%x", 0x80 + $dev2bios{$dev}); } foreach (0 .. 3) { my ($letter) = $bios2dev{$_} =~ /hd([^ac])/; #- at least hda and hdc are handled correctly :-/ next if $bootloader->{bios}{"/dev/$bios2dev{$_}"} || !$letter; next if $_ > 0 #- always print if first disk is hdb, hdd, hde... && $bios2dev{$_ - 1} eq "hd" . chr(ord($letter) - 1); #- no need to help lilo with hdb (resp. hdd, hdf...) log::l("Helping lilo: $bios2dev{$_} must be " . (0x80 + $_)); $bootloader->{bios}{"/dev/$bios2dev{$_}"} = sprintf("0x%x", 0x80 + $_); } } { local $\ = "\n"; my $f = arch() =~ /ia64/ ? "$::prefix/boot/efi/elilo.conf" : "$::prefix/etc/lilo.conf"; local *F; open F, ">$f" or die "cannot create lilo config file: $f"; log::l("writing lilo config to $f"); chmod 0600, $f if $bootloader->{password}; #- normalize: RESTRICTED is only valid if PASSWORD is set delete $bootloader->{restricted} if !$bootloader->{password}; local $bootloader->{default} = make_label_lilo_compatible($bootloader->{default}); $bootloader->{$_} and print F "$_=$bootloader->{$_}" foreach qw(boot map install vga default keytable); $bootloader->{$_} and print F $_ foreach qw(linear geometric compact prompt nowarn restricted); print F "append=\"$bootloader->{append}\"" if $bootloader->{append}; print F "password=", $bootloader->{password} if $bootloader->{password}; #- also done by msec print F "timeout=", round(10 * $bootloader->{timeout}) if $bootloader->{timeout}; print F "serial=", $1 if get_append($bootloader, 'console') =~ /ttyS(.*)/; print F "message=/boot/message" if arch() !~ /ia64/; print F "menu-scheme=wb:bw:wb:bw" if arch() !~ /ia64/; print F "ignore-table" if any { $_->{unsafe} && $_->{table} } @{$bootloader->{entries}}; while (my ($dev, $bios) = each %{$bootloader->{bios}}) { print F "disk=$dev bios=$bios"; } foreach (@{$bootloader->{entries}}) { print F "$_->{type}=", $file2fullname->($_->{kernel_or_dev}); print F "\tlabel=", make_label_lilo_compatible($_->{label}); if ($_->{type} eq "image") { print F "\troot=$_->{root}" if $_->{root}; print F "\tinitrd=", $file2fullname->($_->{initrd}) if $_->{initrd}; print F "\tappend=\"$_->{append}\"" if $_->{append}; print F "\tvga=$_->{vga}" if $_->{vga}; print F "\tread-write" if $_->{'read-write'}; print F "\tread-only" if !$_->{'read-write'}; } else { print F "\ttable=$_->{table}" if $_->{table}; print F "\tunsafe" if $_->{unsafe} && !$_->{table}; if (my ($dev) = $_->{table} =~ m|/dev/(.*)|) { if ($dev2bios{$dev}) { #- boot off the nth drive, so reverse the BIOS maps my $nb = sprintf("0x%x", 0x80 + $dev2bios{$dev}); $_->{mapdrive} ||= { '0x80' => $nb, $nb => '0x80' }; } } while (my ($from, $to) = each %{$_->{mapdrive} || {}}) { print F "\tmap-drive=$from"; print F "\t to=$to"; } } } } } sub install_lilo { my ($bootloader, $fstab, $hds, $method) = @_; $bootloader->{install} = 'text' if $method eq 'lilo-text'; output("$::prefix/boot/message-text", $bootloader->{message}) if $bootloader->{message}; symlinkf "message-" . ($method eq 'lilo-text' ? 'text' : 'graphic'), "$::prefix/boot/message"; write_lilo_conf($bootloader, $fstab, $hds); if (!$::testing && arch() !~ /ia64/) { log::l("Installing boot loader..."); my $error; run_program::rooted($::prefix, "lilo", "2>", \$error) or die "lilo failed: $error"; } } sub dev2bios { my ($hds, $where) = @_; $where =~ s|/dev/||; my @dev = map { $_->{device} } @$hds; member($where, @dev) or ($where) = @dev; #- if not on mbr, s/h(d[e-g])/x$1/ foreach $where, @dev; #- emulates ultra66 as xd_ my $start = substr($where, 0, 2); my $translate = sub { my ($dev) = @_; $dev eq $where ? "aaa" : #- if exact match, value it first $dev =~ /^$start(.*)/ ? "ad$1" : #- if same class (ide/scsi/ultra66), value it before other classes $dev; }; @dev = map { $_->[0] } sort { $a->[1] cmp $b->[1] } map { [ $_, $translate->($_) ] } @dev; s/x(d.)/h$1/ foreach @dev; #- switch back; @dev; } sub dev2grub { my ($dev, $dev2bios) = @_; $dev =~ m|^(/dev/)?(...)(.*)$| or die "dev2grub (bad device $dev), caller is " . join(":", caller()); my $grub = $dev2bios->{$2} or die "dev2grub ($2)"; "($grub" . ($3 && "," . ($3 - 1)) . ")"; } sub write_grub_config { my ($bootloader, $fstab, $hds) = @_; my %dev2bios = ( (map_index { $_ => "fd$::i" } detect_devices::floppies_dev()), (map_index { $_ => "hd$::i" } dev2bios($hds, $bootloader->{first_hd_device} || $bootloader->{boot})), ); { my %bios2dev = reverse %dev2bios; output "$::prefix/boot/grub/device.map", join '', map { "($_) /dev/$bios2dev{$_}\n" } sort keys %bios2dev; } my $bootIsReiser = isThisFs("reiserfs", fsedit::get_root($fstab, 'boot')); my $file2grub = sub { my ($part, $file) = fsedit::file2part($fstab, $_[0], 'keep_simple_symlinks'); dev2grub($part->{device}, \%dev2bios) . $file; }; { local $\ = "\n"; my $f = "$::prefix/boot/grub/menu.lst"; local *F; open F, ">$f" or die "cannot create grub config file: $f"; log::l("writing grub config to $f"); $bootloader->{$_} and print F "$_ $bootloader->{$_}" foreach qw(timeout); print F "color black/cyan yellow/cyan"; print F "i18n ", $file2grub->("/boot/grub/messages"); print F "keytable ", $file2grub->($bootloader->{keytable}) if $bootloader->{keytable}; print F "serial --unit=$1 --speed=$2\nterminal --timeout=" . ($bootloader->{timeout} || 0) . " console serial" if get_append($bootloader, 'console') =~ /ttyS(\d),(\d+)/; #- since we use notail in reiserfs, altconfigfile is broken :-( unless ($bootIsReiser) { print F "altconfigfile ", $file2grub->(my $once = "/boot/grub/menu.once"); output "$::prefix$once", " " x 100; } each_index { print F "default $::i" if $_->{label} eq $bootloader->{default}; } @{$bootloader->{entries}}; foreach (@{$bootloader->{entries}}) { print F "\ntitle $_->{label}"; if ($_->{type} eq "image") { my $vga = $_->{vga} || $bootloader->{vga}; printf F "kernel %s root=%s %s%s%s\n", $file2grub->($_->{kernel_or_dev}), $_->{root} =~ /loop7/ ? "707" : $_->{root}, #- special to workaround bug in kernel (see #ifdef CONFIG_BLK_DEV_LOOP) $_->{append}, $_->{'read-write'} && " rw", $vga && $vga ne "normal" && " vga=$vga"; print F "initrd ", $file2grub->($_->{initrd}) if $_->{initrd}; } else { print F "root ", dev2grub($_->{kernel_or_dev}, \%dev2bios); if ($_->{kernel_or_dev} !~ /fd/) { #- boot off the second drive, so reverse the BIOS maps $_->{mapdrive} ||= { '0x80' => '0x81', '0x81' => '0x80' } if $_->{table} && ($bootloader->{first_hd_device} || $bootloader->{boot}) !~ /$_->{table}/; map_each { print F "map ($::b) ($::a)" } %{$_->{mapdrive} || {}}; print F "makeactive"; } print F "chainloader +1"; } } } my $dev = dev2grub($bootloader->{boot}, \%dev2bios); my ($s1, $s2, $m) = map { $file2grub->("/boot/grub/$_") } qw(stage1 stage2 menu.lst); my $f = "/boot/grub/install.sh"; output "$::prefix$f", "grub --device-map=/boot/grub/device.map --batch <<EOF install $s1 d $dev $s2 p $m quit EOF "; output "$::prefix/boot/grub/messages", map { substr(translate($_) . "\n", 0, 78) } ( #- ensure the translated messages are not too big the hard way #-PO: these messages will be displayed at boot time in the BIOS, use only ASCII (7bit) #-PO: and keep them smaller than 79 chars long N_("Welcome to GRUB the operating system chooser!"), #-PO: these messages will be displayed at boot time in the BIOS, use only ASCII (7bit) #-PO: and keep them smaller than 79 chars long N_("Use the %c and %c keys for selecting which entry is highlighted."), #-PO: these messages will be displayed at boot time in the BIOS, use only ASCII (7bit) #-PO: and keep them smaller than 79 chars long N_("Press enter to boot the selected OS, \'e\' to edit the"), #-PO: these messages will be displayed at boot time in the BIOS, use only ASCII (7bit) #-PO: and keep them smaller than 79 chars long N_("commands before booting, or \'c\' for a command-line."), #-PO: these messages will be displayed at boot time in the BIOS, use only ASCII (7bit) #-PO: and keep them smaller than 79 chars long N_("The highlighted entry will be booted automatically in %d seconds."), ); my $e = "$::prefix/boot/.enough_space"; output $e, 1; -s $e or die \N("not enough room in /boot"); unlink $e; $f; } sub install_grub { my ($bootloader, $fstab, $hds) = @_; my $f = write_grub_config($bootloader, $fstab, $hds); if (!$::testing) { log::l("Installing boot loader..."); symlink "$::prefix/boot", "/boot"; my $error; run_program::run("sh", $f, "2>", \$error) or die "grub failed: $error"; unlink "/boot"; } } sub lnx4win_file { my $bootloader = shift; map { local $_ = $_; s,/,\\,g; "$bootloader->{boot_drive}:\\lnx4win$_" } @_; } sub install { my ($bootloader, $fstab, $hds) = @_; if (my $p = find { $bootloader->{boot} eq "/dev/$_->{device}" } @$fstab) { die \N("You can't install the bootloader on a %s partition\n", partition_table::type2fs($p)) if isThisFs('xfs', $p); } $bootloader->{keytable} = keytable($bootloader->{keytable}); my @methods = $bootloader->{method} eq 'grub' ? ('lilo-graphic', 'grub') : $bootloader->{method}; my @rcs = map { my ($main_method) = /(\w+)/; my $f = $bootloader::{"install_$main_method"} or die "unknown bootloader method $_"; eval { $f->($bootloader, $fstab, $hds, $_) }; $@; } @methods; die $rcs[0] if every { $_ } @rcs; } 1;