debian/build-efi-images

   1 #! /bin/sh
   2 set -e
   3
   4 # Copyright (C) 2010, 2011, 2012 Canonical Ltd.
   5 # Author: Colin Watson <cjwatson@ubuntu.com>
   6 #
   7 # This program is free software; you can redistribute it and/or modify it
   8 # under the terms of the GNU General Public License as published by the Free
   9 # Software Foundation; either version 2, or (at your option) any later
  10 # version.
  11 #
  12 # This program is distributed in the hope that it will be useful, but
  13 # WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
  14 # or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  15 # for more details.
  16 #
  17 # You should have received a copy of the GNU General Public License along
  18 # with this program; if not, write to the Free Software Foundation, Inc.,
  19 # 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.
  20
  21 # Make EFI boot images for signing.
  22
  23 if [ $# -lt 5 ]; then
  24         echo "usage: $0 GRUB-MKIMAGE GRUB-CORE OUTPUT-DIRECTORY PLATFORM EFI-NAME"
  25 fi
  26
  27 grub_mkimage="$1"
  28 grub_core="$2"
  29 outdir="$3"
  30 platform="$4"
  31 efi_name="$5"
  32
  33 workdir=
  34
  35 cleanup () {
  36         [ -z "$workdir" ] || rm -rf "$workdir"
  37 }
  38 trap cleanup EXIT HUP INT QUIT TERM
  39
  40 rm -rf "$outdir"
  41 mkdir -p "$outdir"
  42
  43 workdir="$(mktemp -d build-efi-images.XXXXXX)"
  44
  45 # GRUB's rescue parser doesn't understand 'if'.
  46 echo 'normal (memdisk)/grub.cfg' >"$workdir/grub-bootstrap.cfg"
  47
  48 # Skeleton configuration file which finds the real boot disk.
  49 cat >"$workdir/grub.cfg" <<EOF
  50 if [ -z "\$prefix" -o ! -e "\$prefix" ]; then
  51         if ! search --file --set=root /.disk/info; then
  52                 search --file --set=root /.disk/mini-info
  53         fi
  54         set prefix=(\$root)/boot/grub
  55 fi
  56 if [ -e \$prefix/$platform/grub.cfg ]; then
  57         source \$prefix/$platform/grub.cfg
  58 elif [ -e \$prefix/grub.cfg ]; then
  59         source \$prefix/grub.cfg
  60 else
  61         source \$cmdpath/grub.cfg
  62 fi
  63 EOF
  64
  65 cat >"$workdir/grub-netboot.cfg" <<EOF
  66 if [ -e \$prefix/$platform/grub.cfg ]; then
  67         source \$prefix/$platform/grub.cfg
  68 else
  69         source \$prefix/grub.cfg
  70 fi
  71 EOF
  72
  73 mkfs.msdos -C "$workdir/memdisk.fat" 64
  74 mcopy -i "$workdir/memdisk.fat" "$workdir/grub.cfg" ::grub.cfg
  75
  76 mkfs.msdos -C "$workdir/memdisk-netboot.fat" 64
  77 mcopy -i "$workdir/memdisk-netboot.fat" "$workdir/grub-netboot.cfg" ::grub.cfg
  78
  79 CD_MODULES="
  80         all_video
  81         boot
  82         btrfs
  83         cat
  84         chain
  85         configfile
  86         echo
  87         efifwsetup
  88         efinet
  89         ext2
  90         fat
  91         font
  92         gettext
  93         gfxmenu
  94         gfxterm
  95         gfxterm_background
  96         gzio
  97         halt
  98         hfsplus
  99         iso9660
 100         jpeg
 101         keystatus
 102         loadenv
 103         linux
 104         lsefi
 105         lsefimmap
 106         lsefisystab
 107         lssal
 108         memdisk
 109         minicmd
 110         normal
 111         part_apple
 112         part_msdos
 113         part_gpt
 114         password_pbkdf2
 115         png
 116         reboot
 117         search
 118         search_fs_uuid
 119         search_fs_file
 120         search_label
 121         sleep
 122         test
 123         true
 124         video
 125         zfs
 126         zfscrypt
 127         zfsinfo
 128         "
 129
 130 # Platform-specific modules
 131 case $platform in
 132     x86_64-efi)
 133         CD_MODULES="$CD_MODULES
 134         linuxefi
 135         "
 136         ;;
 137 esac
 138
 139 GRUB_MODULES="$CD_MODULES
 140         lvm
 141         mdraid09
 142         mdraid1x
 143         raid5rec
 144         raid6rec
 145         "
 146 NET_MODULES="$CD_MODULES
 147         tftp
 148         "
 149
 150 "$grub_mkimage" -O "$platform" -o "$outdir/gcd$efi_name.efi" \
 151         -d "$grub_core" \
 152         -c "$workdir/grub-bootstrap.cfg" -m "$workdir/memdisk.fat" \
 153         -p /boot/grub \
 154         $CD_MODULES
 155 "$grub_mkimage" -O "$platform" -o "$outdir/grub$efi_name.efi" \
 156         -d "$grub_core" -p /EFI/ubuntu $GRUB_MODULES
 157 "$grub_mkimage" -O "$platform" -o "$outdir/grubnet$efi_name.efi" \
 158         -d "$grub_core" -c "$workdir/grub-bootstrap.cfg" \
 159         -m "$workdir/memdisk-netboot.fat" -p /grub $NET_MODULES
 160
 161 exit 0