255 lines
7.5 KiB
Bash
255 lines
7.5 KiB
Bash
#! /bin/sh -e
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# Make GRUB rescue image
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# Copyright (C) 1999,2000,2001,2002,2003,2004,2005,2006,2007,2008,2009 Free Software Foundation, Inc.
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#
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# GRUB is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# GRUB is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with GRUB. If not, see <http://www.gnu.org/licenses/>.
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# Initialize some variables.
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transform="@program_transform_name@"
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prefix=@prefix@
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exec_prefix=@exec_prefix@
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bindir=@bindir@
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libdir=@libdir@
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PACKAGE_NAME=@PACKAGE_NAME@
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PACKAGE_TARNAME=@PACKAGE_TARNAME@
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PACKAGE_VERSION=@PACKAGE_VERSION@
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target_cpu=@target_cpu@
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native_platform=@platform@
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pkglib_DATA="@pkglib_DATA@"
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multiboot_dir=${libdir}/$(echo ${PACKAGE_TARNAME} | sed ${transform})/${target_cpu}-multiboot
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pc_dir=${libdir}/$(echo ${PACKAGE_TARNAME} | sed ${transform})/${target_cpu}-pc
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efi32_dir=${libdir}/$(echo ${PACKAGE_TARNAME} | sed ${transform})/i386-efi
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efi64_dir=${libdir}/$(echo ${PACKAGE_TARNAME} | sed ${transform})/x86_64-efi
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# Usage: usage
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# Print the usage.
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usage () {
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cat <<EOF
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Usage: $0 [OPTION] SOURCE...
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Make GRUB rescue image.
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-h, --help print this message and exit
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-v, --version print the version information and exit
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--modules=MODULES pre-load specified modules MODULES
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--output=FILE save output in FILE [required]
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$0 generates a bootable rescue image with specified source files or directories.
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Report bugs to <bug-grub@gnu.org>.
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EOF
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}
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# Check the arguments.
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for option in "$@"; do
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case "$option" in
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-h | --help)
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usage
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exit 0 ;;
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-v | --version)
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echo "$0 (GNU GRUB ${PACKAGE_VERSION})"
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exit 0 ;;
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--modules=*)
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modules=`echo "$option" | sed 's/--modules=//'` ;;
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--output=*)
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output_image=`echo "$option" | sed 's/--output=//'` ;;
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# Intentionally undocumented
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--override-directory=*)
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override_dir=`echo "${option}/" | sed 's/--override-directory=//'`
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PATH=${override_dir}:$PATH
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export PATH
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;;
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-*)
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echo "Unrecognized option \`$option'" 1>&2
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usage
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exit 1
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;;
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*)
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source="${source} ${option}" ;;
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esac
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done
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if [ "x${output_image}" = x ] ; then
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echo "output file must be given" >&2
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usage
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exit 1
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fi
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if test "x$TMP" != x; then
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MKTEMP_TEMPLATE="$TMP/grub-mkrescue.XXXXXXXXXX"
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elif test "x$TEMP" != x; then
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MKTEMP_TEMPLATE="$TEMP/grub-mkrescue.XXXXXXXXXX"
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else
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MKTEMP_TEMPLATE="/tmp/grub-mkrescue.XXXXXXXXXX"
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fi
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iso9660_dir=`mktemp -d "$MKTEMP_TEMPLATE"`
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mkdir -p ${iso9660_dir}/boot/grub
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process_input_dir ()
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{
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input_dir="$1"
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platform="$2"
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mkdir -p ${iso9660_dir}/boot/grub/${target_cpu}-${platform}
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for file in ${input_dir}/*.mod; do
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if test -f "$file"; then
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cp -f "$file" ${iso9660_dir}/boot/grub/${target_cpu}-${platform}/
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fi
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done
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for file in ${pkglib_DATA}; do
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if test -f "${input_dir}/${file}"; then
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cp -f "${input_dir}/${file}" ${iso9660_dir}/boot/grub/${target_cpu}-${platform}/
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fi
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done
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mkdir -p ${iso9660_dir}/boot/grub/locale
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for file in ${input_dir}/po/*.mo; do
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if test -f "$file"; then
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cp -f "$file" ${iso9660_dir}/boot/grub/locale/
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fi
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done
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}
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if [ "${override_dir}" = "" ] ; then
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if test -e "${multiboot_dir}" ; then
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process_input_dir ${multiboot_dir} multiboot
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fi
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if test -e "${pc_dir}" ; then
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process_input_dir ${pc_dir} pc
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fi
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if test -e "${efi32_dir}" ; then
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process_input_dir ${efi32_dir} efi32
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fi
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if test -e "${efi64_dir}" ; then
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process_input_dir ${efi64_dir} efi64
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fi
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else
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process_input_dir ${override_dir} ${native_platform}
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multiboot_dir=
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pc_dir=
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efi32_dir=
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efi64_dir=
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case "${native_platform}" in
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i386-multiboot) multiboot_dir=${override_dir} ;;
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i386-pc) pc_dir=${override_dir} ;;
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i386-efi) efi32_dir=${override_dir} ;;
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x86_64-efi) efi64_dir=${override_dir} ;;
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esac
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fi
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# obtain date-based UUID
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iso_uuid=$(date -u +%Y-%m-%d-%H-%M-%S-00)
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grub_mkisofs_arguments="${grub_mkisofs_arguments} --modification-date=$(echo ${iso_uuid} | sed -e s/-//g)"
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# build multiboot core.img
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if test -e "${multiboot_dir}" ; then
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echo "Enabling multiboot support ..."
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memdisk_img=`mktemp "$MKTEMP_TEMPLATE"`
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memdisk_dir=`mktemp -d "$MKTEMP_TEMPLATE"`
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mkdir -p ${memdisk_dir}/boot/grub
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modules="$(cat ${multiboot_dir}/partmap.lst) ${modules}"
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cat << EOF > ${memdisk_dir}/boot/grub/grub.cfg
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search --fs-uuid --set ${iso_uuid}
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set prefix=(\${root})/boot/grub/${target_cpu}-multiboot
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source \$prefix/grub.cfg
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EOF
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(for i in ${modules} ; do
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echo "insmod $i"
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done ; \
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echo "source /boot/grub/grub.cfg") \
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> ${iso9660_dir}/boot/grub/i386-multiboot/grub.cfg
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tar -C ${memdisk_dir} -cf ${memdisk_img} boot
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rm -rf ${memdisk_dir}
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grub-mkimage -O i386-multiboot -d ${multiboot_dir}/ -m ${memdisk_img} -o ${iso9660_dir}/boot/multiboot.img \
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memdisk tar search iso9660 configfile sh \
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ata at_keyboard
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rm -f ${memdisk_img}
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fi
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# build BIOS core.img
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if test -e "${pc_dir}" ; then
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echo "Enabling BIOS support ..."
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core_img=`mktemp "$MKTEMP_TEMPLATE"`
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grub-mkimage -O i386-pc -d ${pc_dir}/ -O i386-pc -o ${core_img} --prefix=/boot/grub/i386-pc \
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iso9660 biosdisk
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cat ${pc_dir}/cdboot.img ${core_img} > ${iso9660_dir}/boot/grub/i386-pc/eltorito.img
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embed_img=`mktemp "$MKTEMP_TEMPLATE"`
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cat ${pc_dir}/boot.img ${core_img} > ${embed_img}
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rm -f ${core_img}
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modules="$(cat ${pc_dir}/partmap.lst) ${modules}"
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(for i in ${modules} ; do
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echo "insmod $i"
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done ; \
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echo "source /boot/grub/grub.cfg") \
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> ${iso9660_dir}/boot/grub/i386-pc/grub.cfg
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grub_mkisofs_arguments="${grub_mkisofs_arguments} -b boot/grub/i386-pc/eltorito.img -no-emul-boot -boot-info-table \
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--embedded-boot ${embed_img}"
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fi
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if test -e "${efi64_dir}" || test -e "${efi32_dir}"; then
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efi_dir=`mktemp -d "$MKTEMP_TEMPLATE"`
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mkdir -p "${efi_dir}/efi/boot"
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else
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efi_dir=
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fi
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# build bootx64.efi
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if test -e "${efi64_dir}" ; then
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echo "Enabling EFI64 support ..."
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memdisk_img=`mktemp "$MKTEMP_TEMPLATE"`
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memdisk_dir=`mktemp -d "$MKTEMP_TEMPLATE"`
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mkdir -p ${memdisk_dir}/boot/grub
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cat << EOF > ${memdisk_dir}/boot/grub/grub.cfg
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search --fs-uuid --set ${iso_uuid}
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set prefix=(\${root})/boot/grub/${target_cpu}-efi
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source \$prefix/grub.cfg
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EOF
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tar -C ${memdisk_dir} -cf ${memdisk_img} boot
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rm -rf ${memdisk_dir}
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grub-mkimage -O x86_64-efi -d "${efi64_dir}" -m "${memdisk_img}" -o "${efi_dir}"/efi/boot/bootx64.efi --prefix='(memdisk)/boot/grub' \
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search iso9660 configfile sh memdisk tar
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rm -f ${memdisk_img}
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modules="$(cat "${efi64_dir}"/partmap.lst) ${modules}"
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(for i in ${modules} ; do
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echo "insmod $i"
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done ; \
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echo "source /boot/grub/grub.cfg") \
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> "${iso9660_dir}"/boot/grub/x86_64-efi/grub.cfg
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fi
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if test x"${efi_dir}" != x; then
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mformat -C -f 2880 -L 16 -i "${iso9660_dir}"/efi.img ::
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mcopy -s -i "${iso9660_dir}"/efi.img ${efi_dir}/efi ::/
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grub_mkisofs_arguments="${grub_mkisofs_arguments} --efi-boot efi.img"
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fi
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# build iso image
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xorriso -pathspecs on -as mkisofs ${grub_mkisofs_arguments} --protective-msdos-label -o ${output_image} -r ${iso9660_dir} ${source}
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rm -rf ${iso9660_dir}
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rm -f ${embed_img}
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exit 0
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