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; our %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) = @_; $_->{label} && lc(make_label_lilo_compatible($_->{label})) eq lc(make_label_lilo_compatible($label)) and return $_ foreach @{$bootloader->{entries}}; undef; } sub mkinitrd { my ($kernelVersion, $initrdImage, $o_vga) = @_; $::testing || -e "$::prefix/$initrdImage" and return 1; my $loop_boot = loopback::prepare_boot(); my $o_resolution = $o_vga && do { require Xconfig::resolution_and_depth; my $res = Xconfig::resolution_and_depth::from_bios($o_vga); $res && $res->{X}; }; modules::load('loop'); if (!run_program::rooted($::prefix, "mkinitrd", "-v", "-f", $initrdImage, "--ifneeded", $kernelVersion, if_($o_resolution, '--splash' => $o_resolution))) { unlink("$::prefix/$initrdImage"); die "mkinitrd failed"; } loopback::save_boot($loop_boot); -e "$::prefix/$initrdImage"; } sub read() { my $file = sprintf("/etc/%s.conf", arch() =~ /sparc/ ? 'silo' : arch() =~ /ppc/ ? 'yaboot' : 'lilo'); my $bootloader = $file =~ /lilo/ && detect_bootloader() =~ /GRUB/ ? read_grub() : read_lilo($file); if (my $default = find { $_ && $_->{append} } get_label($bootloader->{default}, $bootloader), @{$bootloader->{entries}}) { $bootloader->{perImageAppend} ||= $default->{append}; } $bootloader; } sub read_grub() { my $global = 1; my ($e, %b); foreach (cat_("$::prefix/boot/grub/menu.lst")) { next if /^\s*#/ || /^\s*$/; chomp; my ($keyword, $v) = /^\s*(\S+)\s*(.*?)\s*$/ or do { print STDERR 'unknown line in /boot/grub/menu.lst: "', chomp_($_), q("\n); next; }; if ($keyword eq 'title') { push @{$b{entries}}, $e = { label => $v }; $global = 0; } elsif ($global) { $b{$keyword} = $v eq '' ? 1 : ungrubify($v); } else { $e->{root} = $1 if $v =~ s/root=(\S*)\s*//; if ($keyword eq 'kernel') { ($e->{kernel_or_dev}, $e->{append}) = split /\s+/, ungrubify($v), 2; $e->{type} = 'image'; } elsif ($keyword eq 'root') { $e->{type} = 'other'; if ($v =~ /,/) { $e->{table} = grub2dev($v, 1); } else { $e->{unsafe} = 1; } $e->{kernel_or_dev} = grub2dev($v); $e->{append} = ""; } elsif ($keyword eq 'initrd') { $e->{$keyword} = ungrubify($v); } else { } } } # Generating /etc/lilo.conf require having a boot device: foreach (cat_("$::prefix/boot/grub/install.sh")) { $b{boot} = grub2dev($1) if /\s+d\s+(\(.*?\))/; } #- sanitize foreach (@{$b{entries}}) { my ($vga, $other) = partition { /^vga=/ } split(' ', $_->{append}); if ($vga) { $_->{vga} = $vga->[0] =~ /vga=(.*)/ && $1; $_->{append} = join(' ', @$other); } } $b{nowarn} = 1; # handle broken installkernel -r: $b{default} = min($b{default}, scalar(@{$b{entries}}) -1); $b{default} = $b{entries}[$b{default}]{label}; \%b; } sub read_lilo { my ($file) = @_; 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 $file: $_"), next; if (/^(image|other)$/) { 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 eq '' ? 1 : $v; } } 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}; delete $b{message}; } #- cleanup duplicate labels (in case file is corrupted) my %seen; @{$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, $v->{vga}) 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, }); $v->{append} = normalize_append("$bootloader->{perImageAppend} $v->{append}"); add_entry($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) = @_; #- normalize $simple = [ reverse(uniq(reverse @$simple)) ]; $dict = [ reverse(uniq_ { my ($k, $v) = @{$_[0]}; $k eq 'mem' ? "$k=$v" : $k } reverse @$dict) ]; join(' ', @$simple, map { "$_->[0]=$_->[1]" } @$dict); } sub normalize_append { my ($s) = @_; my ($simple, $dict) = unpack_append($s); pack_append($simple, $dict); } sub append__mem_is_memsize { $_[0] =~ /^\d+[kM]?$/i } sub get_append { my ($b, $key) = @_; my ($simple, $dict) = unpack_append($b->{perImageAppend}); if (member($key, @$simple)) { return 1; } 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; $l[0]; } sub modify_append { my ($b, $f) = @_; foreach (\$b->{perImageAppend}, map { \$_->{append} } grep { $_->{type} eq 'image' } @{$b->{entries}}) { my ($simple, $dict) = unpack_append($$_); $f->($simple, $dict); $$_ = pack_append($simple, $dict); log::l("modify_append: $$_"); } } sub remove_append_simple { my ($b, $key) = @_; modify_append($b, sub { my ($simple, $_dict) = @_; @$simple = grep { $_ ne $key } @$simple; }); } sub set_append { my $has_val = @_ > 2; my ($b, $key, $val) = @_; modify_append($b, sub { my ($simple, $dict) = @_; if ($has_val) { @$dict = grep { $_->[0] ne $key || $key eq 'mem' && append__mem_is_memsize($_->[1]) != append__mem_is_memsize($val) } @$dict; push @$dict, [ $key, $val ] if $val ne ''; } else { @$simple = grep { $_ ne $key } @$simple; push @$simple, $key; } }); } sub may_append { my ($b, $key, $val) = @_; set_append($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}, $entry->{vga}) 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} = $complete_version; } %labels; } # sanitize_ver: long function when it could be shorter but we are sure # to catch everything and can be readable if we want to # add new scheme name. # DUPLICATED from /usr/share/loader/common.pm sub sanitize_ver { my ($string) = @_; my ($main_version, undef, $extraversion, $rest) = $string =~ m!(\d+\.\d+\.\d+)(-((?:pre|rc)\d+))?(.*)!; if (my ($mdkver, $cpu, $nproc, $mem) = $rest =~ m|-(.+)-(.+)-(.+)-(.+)|) { $rest = "$cpu$nproc$mem-$mdkver"; } my $return = "$main_version$extraversion$rest"; $return =~ s|\.||g; $return =~ s|mdk||; $return =~ s|64GB|64G|; $return =~ s|4GB|4G|; $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") { my $msg_en = #-PO: these messages will be displayed at boot time in the BIOS, use only ASCII (7bit) N_("Welcome to the operating system chooser! Choose an operating system from the list above or wait 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} = $msg; } add2hash_($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 $speed"); set_append($bootloader, 'console' => $s); any::set_login_serial_console($port, $speed); } #- add a restore entry if installation is done from disk, in order to allow redoing it. if (my $hd_install_path = any::hdInstallPath()) { my ($cmdline, $vga); if ($::restore && -e "/tmp/image/boot/vmlinuz" && -e "/tmp/image/boot/all.rdz" && ($cmdline = cat_("/tmp/image/boot/grub/menu.lst") =~ m|kernel \S+/boot/vmlinuz (.*)$|m)) { #- cmdline should'n have any reference to vga=... $cmdline =~ s/vga=(\S+)//g and $vga = $1; log::l("copying kernel and stage1 install to $::prefix/boot/restore"); eval { mkdir "$::prefix/boot/restore"; cp_af("/tmp/image/boot/vmlinuz", "$::prefix/boot/restore/vmlinuz"); cp_af("/tmp/image/boot/all.rdz", "$::prefix/boot/restore/all.rdz") }; unless ($@) { log::l("adding a restore bootloader entry on $hd_install_path (remapped to $::prefix/boot/restore)"); add_entry($bootloader, { type => 'image', label => 'restore', kernel_or_dev => "/boot/restore/vmlinuz", initrd => "/boot/restore/all.rdz", append => "$cmdline recovery", #- the restore entry is a recovery entry if_($vga, vga => $vga), }); } } else { log::l("no restore bootloader need to be used on $hd_install_path"); } } my %labels = get_kernels_and_labels(); $labels{''} or die "no kernel installed"; while (my ($ext, $version) = each %labels) { add_kernel($bootloader, $version, $ext, $root, { if_($options{vga_fb} && $ext eq '', vga => $options{vga_fb}), #- using framebuffer if_($options{vga_fb} && $options{quiet}, append => "splash=silent"), }); if ($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}}; add_kernel($bootloader, $labels{''}, '', $root, { label => 'failsafe', append => 'devfs=nomount 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 $label = 'windows'; add_entry($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, $bootloader)); } sub detect_bootloader() { chomp_(run_program::rooted_get_stdout($::prefix, 'detectloader')); } sub method_choices { my ($fstab, $bootloader) = @_; my %choices = ( if_(arch() =~ /sparc/, 'silo' => N("SILO"), ), if_(arch() !~ /sparc|ppc/ && !isLoopback(fsedit::get_root($fstab)) && whereis_binary('lilo'), if_(!detect_devices::matching_desc('ProSavageDDR'), 'lilo-graphic' => N("LILO with graphical menu")), 'lilo-menu' => N("LILO with text menu"), ), if_(arch() !~ /sparc|ppc/ && !isRAID(fsedit::get_root($fstab)) && whereis_binary('grub'), 'grub' => N("Grub"), ), if_(arch() =~ /ppc/, 'yaboot' => N("Yaboot"), ), ); my $prefered; $prefered ||= 'grub' if $::isStandalone && detect_bootloader() =~ /GRUB/; $prefered ||= 'lilo-' . (member($bootloader->{install}, 'text', 'menu', 'graphic') ? $bootloader->{install} : '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 $f"); print F "#yaboot.conf - generated by DrakX"; print F qq(init-message="\\n$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,$_->{kernel_or_dev}"; } print F "\tlabel=", make_label_lilo_compatible($_->{label}); 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 qq(\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 qq(\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, 31); #- lilo doesn't handle more than 31 char long labels $label =~ s/ /_/g; #- lilo does not support blank character in image names, labels or aliases qq("$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"; open(my $F, ">$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}); print $F "# File generated by DrakX/drakboot"; print $F "# WARNING: do not forget to run lilo after modifying this file\n"; $bootloader->{$_} 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 $F qq(append="$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 $F qq(\tappend="$_->{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, $method) = @_; if (my ($install) = $method =~ /lilo-(text|menu)/) { $bootloader->{install} = $install; } else { delete $bootloader->{install}; } output("$::prefix/boot/message-text", $bootloader->{message}) if $bootloader->{message}; symlinkf "message-" . ($method ne 'lilo-graphic' ? 'text' : 'graphic'), "$::prefix/boot/message"; write_lilo_conf($bootloader, $fstab, $hds); if (!$::testing && arch() !~ /ia64/ && $bootloader->{method} =~ /lilo/) { 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 && "," . ($3 - 1)) . ")"; } sub grub2dev { my ($device, $o_block_device) = @_; my ($dev, $part) = ($1 . ")", $2) if $device =~ s/(\([^,]*?)(?:,(.*))?\)//; undef $part if $o_block_device; $part++ if defined $part; # grub wants "(hdX,Y)" where lilo just want "hdY+1" $dev =~ s/,[^)]*//; my $new_dev = +{ map { chomp; s/()//g; split(/\s+/, $_, 2) } cat_("$::prefix/boot/grub/device.map") }->{$dev} . $part; wantarray() ? ($device, $new_dev) : $new_dev; } # replace dummy "(hdX,Y)" in "(hdX,Y)/boot/vmlinuz..." by appropriate path if needed sub ungrubify { my ($device) = @_; my $dev; ($device, $dev) = grub2dev($device); my %mnt_pts = ("/dev/" . devices::from_devfs(readlink('/dev/root')) => "/", map { (split)[0..1] } cat_("/proc/mounts")); (my $v = join($mnt_pts{$dev} || $dev, $device)) =~ s!//!/!g; $v; } sub write_grub_config { my ($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 $file2grub = sub { my ($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 "serial --unit=$1 --speed=$2\nterminal --timeout=" . ($bootloader->{timeout} || 0) . " console serial" if get_append($bootloader, 'console') =~ /ttyS(\d),(\d+)/; 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 (my ($dev) = $_->{table} =~ m|/dev/(.*)|) { if ($dev2bios{$dev} =~ /hd([1-9])/) { #- boot off the nth drive, so reverse the BIOS maps my $nb = sprintf("0x%x", 0x80 + $1); $_->{mapdrive} ||= { '0x80' => $nb, $nb => '0x80' }; } } if ($_->{mapdrive}) { 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 <", \$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 ($main_method) = $bootloader->{method} =~ /(\w+)/; my $f = $bootloader::{"install_$main_method"} or die "unknown bootloader method $bootloader->{method}"; $f->($bootloader, $fstab, $hds, $bootloader->{method}); } 1;