util/grub-mkrescue.in

   1 #! /bin/sh
   2 set -e
   3
   4 # Make GRUB rescue image
   5 # Copyright (C) 1999,2000,2001,2002,2003,2004,2005,2006,2007,2008,2009,2010  Free Software Foundation, Inc.
   6 #
   7 # GRUB is free software: you can redistribute it and/or modify
   8 # it under the terms of the GNU General Public License as published by
   9 # the Free Software Foundation, either version 3 of the License, or
  10 # (at your option) any later version.
  11 #
  12 # GRUB is distributed in the hope that it will be useful,
  13 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 # GNU General Public License for more details.
  16 #
  17 # You should have received a copy of the GNU General Public License
  18 # along with GRUB.  If not, see <http://www.gnu.org/licenses/>.
  19
  20 # Initialize some variables.
  21 transform="@program_transform_name@"
  22
  23 prefix=@prefix@
  24 exec_prefix=@exec_prefix@
  25 bindir=@bindir@
  26 libdir=@libdir@
  27 PACKAGE_NAME=@PACKAGE_NAME@
  28 PACKAGE_TARNAME=@PACKAGE_TARNAME@
  29 PACKAGE_VERSION=@PACKAGE_VERSION@
  30 pkglib_DATA="moddep.lst command.lst fs.lst partmap.lst parttool.lst handler.lst video.lst crypto.lst terminal.lst"
  31
  32 self=`basename $0`
  33
  34 multiboot_dir=${libdir}/$(echo ${PACKAGE_TARNAME} | sed ${transform})/i386-multiboot
  35 coreboot_dir=${libdir}/$(echo ${PACKAGE_TARNAME} | sed ${transform})/i386-coreboot
  36 qemu_dir=${libdir}/$(echo ${PACKAGE_TARNAME} | sed ${transform})/i386-qemu
  37 pc_dir=${libdir}/$(echo ${PACKAGE_TARNAME} | sed ${transform})/i386-pc
  38 efi32_dir=${libdir}/$(echo ${PACKAGE_TARNAME} | sed ${transform})/i386-efi
  39 efi64_dir=${libdir}/$(echo ${PACKAGE_TARNAME} | sed ${transform})/x86_64-efi
  40 rom_directory=
  41 override_dir=
  42 grub_mkimage=${bindir}/`echo grub-mkimage | sed ${transform}`
  43
  44 xorriso=xorriso
  45
  46 # Usage: usage
  47 # Print the usage.
  48 usage () {
  49     cat <<EOF
  50 Usage: $self [OPTION] SOURCE...
  51 Make GRUB rescue image.
  52
  53   -h, --help              print this message and exit
  54   -v, --version           print the version information and exit
  55   -o, --output=FILE       save output in FILE [required]
  56   --modules=MODULES       pre-load specified modules MODULES
  57   --rom-directory=DIR     save rom images in DIR [optional]
  58   --xorriso=FILE          use FILE as xorriso [optional]
  59   --grub-mkimage=FILE     use FILE as grub-mkimage
  60
  61 $self generates a bootable rescue image with specified source files, source
  62 directories, or mkisofs options listed by: xorriso -as mkisofs -help
  63
  64 Option -- switches to native xorriso command mode.
  65
  66 Report bugs to <bug-grub@gnu.org>.
  67 Mail xorriso support requests to <bug-xorriso@gnu.org>.
  68 EOF
  69 }
  70
  71 argument () {
  72   opt=$1
  73   shift
  74
  75   if test $# -eq 0; then
  76       echo "$0: option requires an argument -- '$opt'" 1>&2
  77       exit 1
  78   fi
  79   echo $1
  80 }
  81
  82 # Check the arguments.
  83 while test $# -gt 0
  84 do
  85     option=$1
  86     shift
  87
  88     case "$option" in
  89     -h | --help)
  90         usage
  91         exit 0 ;;
  92     -v | --version)
  93         echo "$self (${PACKAGE_NAME}) ${PACKAGE_VERSION}"
  94         exit 0 ;;
  95
  96     --modules)
  97         modules=`argument $option "$@"`; shift ;;
  98     --modules=*)
  99         modules=`echo "$option" | sed 's/--modules=//'` ;;
 100
 101     -o | --output)
 102         output_image=`argument $option "$@"`; shift ;;
 103     --output=*)
 104         output_image=`echo "$option" | sed 's/--output=//'` ;;
 105
 106     --rom-directory)
 107         rom_directory=`argument $option "$@"`; shift ;;
 108     --rom-directory=*)
 109         rom_directory=`echo "$option" | sed 's/--rom-directory=//'` ;;
 110
 111     # Intentionally undocumented
 112     --override-directory)
 113         override_dir=`argument $option "$@"`
 114         shift
 115         PATH=${override_dir}:$PATH
 116         export PATH
 117         ;;
 118     --override-directory=*)
 119         override_dir=`echo "${option}/" | sed 's/--override-directory=//'`
 120         PATH=${override_dir}:$PATH
 121         export PATH
 122         ;;
 123
 124     --grub-mkimage)
 125         grub_mkimage=`argument $option "$@"`; shift ;;
 126     --grub-mkimage=*)
 127         grub_mkimage=`echo "$option" | sed 's/--grub-mkimage=//'` ;;
 128
 129     --xorriso)
 130         xorriso=`argument $option "$@"`; shift ;;
 131     --xorriso=*)
 132         xorriso=`echo "${option}/" | sed 's/--xorriso=//'` ;;
 133
 134     *)
 135         source="${source} ${option} $@"; break ;;
 136     esac
 137 done
 138
 139 if [ "x${output_image}" = x ] ; then
 140   echo "output file must be given" >&2
 141   usage
 142   exit 1
 143 fi
 144
 145 set $grub_mkimage dummy
 146 if test -f "$1"; then
 147     :
 148 else
 149     echo "$1: Not found." 1>&2
 150     exit 1
 151 fi
 152
 153 iso9660_dir=`mktemp -d "${TMPDIR:-/tmp}/tmp.XXXXXXXXXX"` || exit 1
 154 mkdir -p ${iso9660_dir}/boot/grub
 155
 156 process_input_dir ()
 157 {
 158     input_dir="$1"
 159     platform="$2"
 160     mkdir -p ${iso9660_dir}/boot/grub/${platform}
 161     for file in "${input_dir}/"*.mod "${input_dir}/"efiemu32.o "${input_dir}/"efiemu64.o; do
 162         if test -f "$file"; then
 163             cp -f "$file" ${iso9660_dir}/boot/grub/${platform}/
 164         fi
 165     done
 166     for file in ${pkglib_DATA}; do
 167         if test -f "${input_dir}/${file}"; then
 168             cp -f "${input_dir}/${file}" ${iso9660_dir}/boot/grub/${platform}/
 169         fi
 170     done
 171
 172     mkdir -p ${iso9660_dir}/boot/grub/locale
 173     for file in ${input_dir}/po/*.mo; do
 174         if test -f "$file"; then
 175             cp -f "$file" ${iso9660_dir}/boot/grub/locale/
 176         fi
 177     done
 178 }
 179
 180 make_image ()
 181 {
 182     source_directory="$1"
 183     platform=$2
 184     if ! test -e "${source_directory}"; then
 185         return;
 186     fi
 187
 188     echo "Enabling $2 support ..."
 189
 190     memdisk_img=`mktemp "${TMPDIR:-/tmp}/tmp.XXXXXXXXXX"` || exit 1
 191     memdisk_dir=`mktemp -d "${TMPDIR:-/tmp}/tmp.XXXXXXXXXX"` || exit 1
 192     mkdir -p ${memdisk_dir}/boot/grub
 193
 194     cat << EOF > ${memdisk_dir}/boot/grub/grub.cfg
 195 search --fs-uuid --set=root ${iso_uuid}
 196 set prefix=(\${root})/boot/grub/${platform}
 197 source \$prefix/grub.cfg
 198 EOF
 199     (for i in $(cat ${source_directory}/partmap.lst) ${modules} ; do
 200         echo "insmod $i"
 201     done ; \
 202     echo "source /boot/grub/grub.cfg") \
 203     > ${iso9660_dir}/boot/grub/${platform}/grub.cfg
 204
 205     (cd "${memdisk_dir}"; tar -cf - boot) > "${memdisk_img}"
 206     rm -rf ${memdisk_dir}
 207     $grub_mkimage -O ${platform} -d "${source_directory}" -m "${memdisk_img}" -o "$3" --prefix='(memdisk)/boot/grub' \
 208         search iso9660 configfile normal memdisk tar $4
 209     rm -rf ${memdisk_img}
 210 }
 211
 212 if [ "${override_dir}" = "" ] ; then
 213     if test -e "${multiboot_dir}" ; then
 214         process_input_dir ${multiboot_dir} i386-multiboot
 215     fi
 216     if test -e "${coreboot_dir}" ; then
 217         process_input_dir ${coreboot_dir} i386-coreboot
 218     fi
 219     if test -e "${qemu_dir}" ; then
 220         process_input_dir ${qemu_dir} i386-qemu
 221     fi
 222     if test -e "${pc_dir}" ; then
 223         process_input_dir ${pc_dir} i386-pc
 224     fi
 225     if test -e "${efi32_dir}" ; then
 226         process_input_dir ${efi32_dir} i386-efi
 227     fi
 228     if test -e "${efi64_dir}" ; then
 229         process_input_dir ${efi64_dir} x86_64-efi
 230     fi
 231 else
 232     . "${override_dir}"/modinfo.sh
 233     process_input_dir "${override_dir}" ${grub_modinfo_target_cpu}-${grub_modinfo_platform}
 234     multiboot_dir=
 235     pc_dir=
 236     efi32_dir=
 237     efi64_dir=
 238     coreboot_dir=
 239     qemu_dir=
 240     case "${grub_modinfo_target_cpu}-${grub_modinfo_platform}" in
 241         i386-multiboot) multiboot_dir=${override_dir} ;;
 242         i386-coreboot) coreboot_dir=${override_dir} ;;
 243         i386-qemu) qemu_dir=${override_dir} ;;
 244         i386-pc) pc_dir=${override_dir} ;;
 245         i386-efi) efi32_dir=${override_dir} ;;
 246         x86_64-efi) efi64_dir=${override_dir} ;;
 247     esac
 248 fi
 249
 250 # obtain date-based UUID
 251 iso_uuid=$(date -u +%Y-%m-%d-%H-%M-%S-00)
 252 grub_mkisofs_arguments="${grub_mkisofs_arguments} --modification-date=$(echo ${iso_uuid} | sed -e s/-//g)"
 253
 254 # build BIOS core.img
 255 if test -e "${pc_dir}" ; then
 256     echo "Enabling BIOS support ..."
 257     core_img=`mktemp "${TMPDIR:-/tmp}/tmp.XXXXXXXXXX"` || exit 1
 258     $grub_mkimage -O i386-pc -d ${pc_dir}/ -o ${core_img} --prefix=/boot/grub/i386-pc \
 259         iso9660 biosdisk
 260     cat ${pc_dir}/cdboot.img ${core_img} > ${iso9660_dir}/boot/grub/i386-pc/eltorito.img
 261
 262     embed_img=`mktemp "${TMPDIR:-/tmp}/tmp.XXXXXXXXXX"` || exit 1
 263     cat ${pc_dir}/boot.img ${core_img} > ${embed_img}
 264
 265     rm -f ${core_img}
 266
 267     (for i in $(cat ${pc_dir}/partmap.lst) ${modules} ; do
 268         echo "insmod $i"
 269     done ; \
 270     echo "source /boot/grub/grub.cfg") \
 271     > ${iso9660_dir}/boot/grub/i386-pc/grub.cfg
 272
 273     grub_mkisofs_arguments="${grub_mkisofs_arguments} -b boot/grub/i386-pc/eltorito.img -no-emul-boot -boot-info-table \
 274                 --embedded-boot ${embed_img}"
 275 fi
 276
 277 # build multiboot core.img
 278 make_image "${multiboot_dir}" i386-multiboot "${iso9660_dir}/boot/multiboot.img" "pata ahci at_keyboard"
 279
 280 if test -e "${efi64_dir}" || test -e "${efi32_dir}"; then
 281     efi_dir=`mktemp -d "${TMPDIR:-/tmp}/tmp.XXXXXXXXXX"` || exit 1
 282     mkdir -p "${efi_dir}/efi/boot"
 283
 284     # build bootx64.efi
 285     make_image "${efi64_dir}" x86_64-efi "${efi_dir}"/efi/boot/bootx64.efi ""
 286     # build bootia32.efi
 287     make_image "${efi32_dir}" i386-efi "${efi_dir}"/efi/boot/bootia32.efi ""
 288     if [ -e "${efi_dir}"/efi/boot/bootia32.efi ]; then
 289         # For old macs. Suggested by Peter Jones.
 290         cp "${efi_dir}"/efi/boot/bootia32.efi "${efi_dir}"/efi/boot/boot.efi
 291     fi
 292
 293     mformat -C -f 2880 -L 16 -i "${iso9660_dir}"/efi.img ::
 294     mcopy -s -i "${iso9660_dir}"/efi.img ${efi_dir}/efi ::/
 295     rm -rf ${efi_dir}
 296     grub_mkisofs_arguments="${grub_mkisofs_arguments} --efi-boot efi.img"
 297 fi
 298
 299 make_image "${qemu_dir}" i386-qemu "${iso9660_dir}/boot/qemu.img" "pata at_keyboard"
 300 if [ -e "${iso9660_dir}/boot/qemu.img" ] && [ -d "${rom_directory}" ]; then
 301     cp "${iso9660_dir}/boot/qemu.img" "${rom_directory}/qemu.img"
 302 fi
 303 make_image "${coreboot_dir}" i386-coreboot "${iso9660_dir}/boot/coreboot.elf" "pata ahci at_keyboard"
 304 if [ -e "${iso9660_dir}/boot/coreboot.elf" ] && [ -d "${rom_directory}" ]; then
 305     cp "${iso9660_dir}/boot/coreboot.elf" "${rom_directory}/coreboot.elf"
 306 fi
 307
 308 # build iso image
 309 "${xorriso}" -as mkisofs -graft-points ${grub_mkisofs_arguments} --protective-msdos-label -o ${output_image} -r ${iso9660_dir} --sort-weight 0 / --sort-weight 1 /boot ${source}
 310 rm -rf ${iso9660_dir}
 311
 312 rm -f ${embed_img}
 313
 314 exit 0