grub/util/grub-mkrescue.in
2010-03-14 13:48:55 +01:00

200 lines
5.7 KiB
Bash

#! /bin/sh -e
# Make GRUB rescue image
# Copyright (C) 1999,2000,2001,2002,2003,2004,2005,2006,2007,2008,2009 Free Software Foundation, Inc.
#
# GRUB is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# GRUB is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with GRUB. If not, see <http://www.gnu.org/licenses/>.
# Initialize some variables.
transform="@program_transform_name@"
prefix=@prefix@
exec_prefix=@exec_prefix@
bindir=@bindir@
libdir=@libdir@
PACKAGE_NAME=@PACKAGE_NAME@
PACKAGE_TARNAME=@PACKAGE_TARNAME@
PACKAGE_VERSION=@PACKAGE_VERSION@
target_cpu=@target_cpu@
native_platform=@platform@
pkglib_DATA="@pkglib_DATA@"
coreboot_dir=${libdir}/$(echo ${PACKAGE_TARNAME} | sed ${transform})/${target_cpu}-coreboot
pc_dir=${libdir}/$(echo ${PACKAGE_TARNAME} | sed ${transform})/${target_cpu}-pc
# Usage: usage
# Print the usage.
usage () {
cat <<EOF
Usage: $0 [OPTION] SOURCE...
Make GRUB rescue image.
-h, --help print this message and exit
-v, --version print the version information and exit
--modules=MODULES pre-load specified modules MODULES
--output=FILE save output in FILE [required]
$0 generates a bootable rescue image with specified source files or directories.
Report bugs to <bug-grub@gnu.org>.
EOF
}
# Check the arguments.
for option in "$@"; do
case "$option" in
-h | --help)
usage
exit 0 ;;
-v | --version)
echo "$0 (GNU GRUB ${PACKAGE_VERSION})"
exit 0 ;;
--modules=*)
modules=`echo "$option" | sed 's/--modules=//'` ;;
--output=*)
output_image=`echo "$option" | sed 's/--output=//'` ;;
# Intentionally undocumented
--override-directory=*)
override_dir=`echo "${option}/" | sed 's/--override-directory=//'`
PATH=${override_dir}:$PATH
export PATH
;;
-*)
echo "Unrecognized option \`$option'" 1>&2
usage
exit 1
;;
*)
source="${source} ${option}" ;;
esac
done
if [ "x${output_image}" = x ] ; then
echo "output file must be given" >&2
usage
exit 1
fi
if test "x$TMP" != x; then
MKTEMP_TEMPLATE="$TMP/grub-mkrescue.XXXXXXXXXX"
elif test "x$TEMP" != x; then
MKTEMP_TEMPLATE="$TEMP/grub-mkrescue.XXXXXXXXXX"
else
MKTEMP_TEMPLATE="/tmp/grub-mkrescue.XXXXXXXXXX"
fi
iso9660_dir=`mktemp -d "$MKTEMP_TEMPLATE"`
mkdir -p ${iso9660_dir}/boot/grub
process_input_dir ()
{
input_dir="$1"
platform="$2"
mkdir -p ${iso9660_dir}/boot/grub/${target_cpu}-${platform}
for file in ${input_dir}/*.mod; do
if test -f "$file"; then
cp -f "$file" ${iso9660_dir}/boot/grub/${target_cpu}-${platform}/
fi
done
for file in ${pkglib_DATA}; do
if test -f "${input_dir}/${file}"; then
cp -f "${input_dir}/${file}" ${iso9660_dir}/boot/grub/${target_cpu}-${platform}/
fi
done
mkdir -p ${iso9660_dir}/boot/grub/locale
for file in ${input_dir}/po/*.mo; do
if test -f "$file"; then
cp -f "$file" ${iso9660_dir}/boot/grub/locale/
fi
done
}
if [ "${override_dir}" = "" ] ; then
if test -e "${coreboot_dir}" ; then
process_input_dir ${coreboot_dir} coreboot
fi
if test -e "${pc_dir}" ; then
process_input_dir ${pc_dir} pc
fi
else
process_input_dir ${override_dir} ${native_platform}
coreboot_dir=
pc_dir=
case "${native_platform}" in
coreboot) coreboot_dir=${override_dir} ;;
pc) pc_dir=${override_dir} ;;
esac
fi
# build coreboot core.img
if test -e "${coreboot_dir}" ; then
echo "Enabling coreboot support ..."
memdisk_img=`mktemp "$MKTEMP_TEMPLATE"`
memdisk_dir=`mktemp -d "$MKTEMP_TEMPLATE"`
mkdir -p ${memdisk_dir}/boot/grub
# obtain date-based UUID
iso_uuid=$(date -u +%Y-%m-%d-%H-%M-%S-00)
modules="$(cat ${coreboot_dir}/partmap.lst) ${modules}"
cat << EOF > ${memdisk_dir}/boot/grub/grub.cfg
search --fs-uuid --set ${iso_uuid}
set prefix=(\${root})/boot/grub/${target_cpu}-coreboot
EOF
(for i in ${modules} ; do
echo "insmod $i"
done ; \
echo "source /boot/grub/grub.cfg") \
> ${iso9660_dir}/boot/grub/i386-pc/grub.cfg
tar -C ${memdisk_dir} -cf ${memdisk_img} boot
rm -rf ${memdisk_dir}
grub-mkelfimage -d ${coreboot_dir}/ -m ${memdisk_img} -o ${iso9660_dir}/boot/multiboot.img \
memdisk tar search iso9660 configfile sh \
ata at_keyboard
rm -f ${memdisk_img}
grub_mkisofs_arguments="${grub_mkisofs_arguments} --modification-date=$(echo ${iso_uuid} | sed -e s/-//g)"
fi
# build BIOS core.img
if test -e "${pc_dir}" ; then
echo "Enabling BIOS support ..."
core_img=`mktemp "$MKTEMP_TEMPLATE"`
grub-mkimage -d ${pc_dir}/ -o ${core_img} --prefix=/boot/grub/i386-pc \
iso9660 biosdisk
cat ${pc_dir}/cdboot.img ${core_img} > ${iso9660_dir}/boot/grub/i386-pc/eltorito.img
embed_img=`mktemp "$MKTEMP_TEMPLATE"`
cat ${pc_dir}/boot.img ${core_img} > ${embed_img}
rm -f ${core_img}
modules="$(cat ${pc_dir}/partmap.lst) ${modules}"
(for i in ${modules} ; do
echo "insmod $i"
done ; \
echo "source /boot/grub/grub.cfg") \
> ${iso9660_dir}/boot/grub/i386-pc/grub.cfg
grub_mkisofs_arguments="${grub_mkisofs_arguments} -b boot/grub/i386-pc/eltorito.img -boot-info-table \
--embedded-boot ${embed_img}"
fi
# build iso image
grub-mkisofs ${grub_mkisofs_arguments} --protective-msdos-label -o ${output_image} -r ${iso9660_dir} ${source}
rm -rf ${iso9660_dir}
rm -f ${embed_img}
exit 0