tools/grub/grub-update.sh

   1 #!/bin/bash
   2 #
   3 # Copyright (c) 2016 Jiri Svoboda
   4 # All rights reserved.
   5 #
   6 # Redistribution and use in source and binary forms, with or without
   7 # modification, are permitted provided that the following conditions
   8 # are met:
   9 #
  10 # - Redistributions of source code must retain the above copyright
  11 #   notice, this list of conditions and the following disclaimer.
  12 # - Redistributions in binary form must reproduce the above copyright
  13 #   notice, this list of conditions and the following disclaimer in the
  14 #   documentation and/or other materials provided with the distribution.
  15 # - The name of the author may not be used to endorse or promote products
  16 #   derived from this software without specific prior written permission.
  17 #
  18 # THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  19 # IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  20 # OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  21 # IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  22 # INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  23 # NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  24 # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  25 # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  26 # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  27 # THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  28 #
  29
  30 #
  31 # Script to generate/update prebuilt Grub2 in HelenOS source tree
  32 # Be sure you know what you are doing!
  33 #
  34
  35 origdir="$(cd "$(dirname "$0")" && pwd)"
  36 helenosdir="$origdir/../.."
  37 workdir="$origdir/grub-src"
  38 builddir="$origdir/grub-build"
  39 git_repo="git://git.savannah.gnu.org/grub.git"
  40 grub_rev="bc220962e366b1b46769ed6f9fa5be603ba58ab5"
  41
  42 build_ia32amd64_pc=false
  43 build_ia32amd64_efi=false
  44 build_arm64_efi=false
  45
  46 function grub_build()
  47 {
  48         platform="$1"
  49         conf_target="$2"
  50         conf_platform="$3"
  51
  52         ./configure --prefix="$builddir/$platform" --target="$conf_target" --with-platform="$conf_platform" --disable-werror || exit 1
  53         make clean || exit 1
  54         make install || exit 1
  55 }
  56
  57 function grub_files_update()
  58 {
  59         gdir="$1"
  60         platform="$2"
  61
  62         echo "$grub_rev" > "$helenosdir"/boot/grub/"$gdir"/REVISION || exit 1
  63         rm -rf "$helenosdir"/boot/grub/"$gdir"/"$platform" || exit 1
  64         cp -R "$builddir"/"$platform"/lib*/grub/"$platform" "$helenosdir"/boot/grub/"$gdir" || exit 1
  65         rm -f "$helenosdir"/boot/grub/"$gdir"/"$platform"/*.image || exit 1
  66         rm -f "$helenosdir"/boot/grub/"$gdir"/"$platform"/*.module || exit 1
  67         git add "$helenosdir"/boot/grub/"$gdir"/"$platform" || exit 1
  68 }
  69
  70 function show_usage()
  71 {
  72         echo "Script to generate/update prebuild Grub2 in HelenOS source tree"
  73         echo
  74         echo "Syntax:"
  75         echo " $0 <target>"
  76         echo
  77         echo "Possible targets are:"
  78         echo " ia32+amd64-pc"
  79         echo " ia32+amd64-efi"
  80         echo " arm64-efi"
  81         echo " all             build all targets"
  82         echo
  83
  84         exit 3
  85 }
  86
  87 if [ "$#" -ne "1" ] ; then
  88         show_usage
  89 fi
  90
  91 case "$1" in
  92         ia32+amd64-pc)
  93                 build_ia32amd64_pc=true
  94                 ;;
  95         ia32+amd64-efi)
  96                 build_ia32amd64_efi=true
  97                 ;;
  98         arm64-efi)
  99                 build_arm64_efi=true
 100                 ;;
 101         all)
 102                 build_ia32amd64_pc=true
 103                 build_ia32amd64_efi=true
 104                 build_arm64_efi=true
 105                 ;;
 106         *)
 107                 show_usage
 108                 ;;
 109 esac
 110
 111 # Prepare a clone of Grub2 repo
 112 if [ ! -d "$workdir" ] ; then
 113         rm -rf "$workdir" "$builddir" || exit 1
 114         git clone "$git_repo" "$workdir" || exit 1
 115 fi
 116
 117 cd "$workdir" || exit 1
 118 git pull || exit 1
 119 git reset --hard "$grub_rev" || exit 1
 120
 121 ./autogen.sh || exit 1
 122
 123 if $build_ia32amd64_pc ; then
 124         cd "$workdir" || exit 1
 125         grub_build i386-pc i386 pc
 126
 127         # Extract El Torrito boot image for i386-pc
 128         cd "$helenosdir"/boot/grub/ia32-pc || exit 1
 129         rm -f pc.img || exit 1
 130         "$builddir"/i386-pc/bin/grub-mkrescue -o phony --xorriso="$origdir/getimage.sh" || exit 1
 131
 132         grub_files_update ia32-pc i386-pc
 133 fi
 134
 135 if $build_ia32amd64_efi ; then
 136         cd "$workdir" || exit 1
 137
 138         # Build each platform to a different directory
 139         grub_build i386-efi i386 efi
 140         grub_build x86_64-efi x86_64 efi
 141
 142         # Extract El Torrito boot image for i386-efi
 143         cd "$helenosdir"/boot/grub/ia32-efi || exit 1
 144         rm -f efi.img.gz || exit 1
 145         "$builddir"/i386-efi/bin/grub-mkrescue -o phony --xorriso="$origdir/getimage.sh" || exit 1
 146         mv efi.img i386-efi.img
 147
 148         # Extract El Torrito boot image for x86_64-efi
 149         cd "$helenosdir"/boot/grub/ia32-efi || exit 1
 150         rm -f efi.img.gz || exit 1
 151         "$builddir"/x86_64-efi/bin/grub-mkrescue -o phony --xorriso="$origdir/getimage.sh" || exit 1
 152
 153         # Combine El Torrito boot images for x86_64-efi and i386-efi
 154         mkdir tmp || exit 1
 155         mcopy -ns -i i386-efi.img ::efi tmp || exit 1
 156         mcopy -s -i efi.img tmp/* :: || exit 1
 157         gzip efi.img || exit 1
 158         rm -rf tmp || exit 1
 159         rm -f i386-efi.img || exit 1
 160
 161         # Update Grub files for all platforms
 162         grub_files_update ia32-efi i386-efi
 163         grub_files_update ia32-efi x86_64-efi
 164 fi
 165
 166 if $build_arm64_efi ; then
 167         cd "$workdir" || exit 1
 168
 169         # Check that the expected compiler is present on PATH
 170         if ! [ -x "$(command -v aarch64-linux-gnu-gcc)" ] ; then
 171                 echo "Error: aarch64-linux-gnu-gcc is missing" >&2
 172                 exit 1
 173         fi
 174
 175         grub_build arm64-efi aarch64-linux-gnu efi
 176
 177         # Extract El Torrito boot image for arm64-efi
 178         cd "$helenosdir"/boot/grub/arm64-efi || exit 1
 179         rm -f efi.img.gz || exit 1
 180         "$builddir"/arm64-efi/bin/grub-mkrescue -o phony --xorriso="$origdir/getimage.sh" || exit 1
 181         gzip efi.img || exit 1
 182
 183         grub_files_update arm64-efi arm64-efi
 184 fi
 185
 186 echo "GRUB update successful."