xen/xen-grub-conf-07_xen

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#! /bin/sh -e
# grub-mkconfig helper script for Xen hypervisor.
#
# Copyright (C) 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/>.
prefix=/usr
exec_prefix=/usr
libdir=/usr/lib
datadir=/usr/share
. ${datadir}/grub/grub-mkconfig_lib
if [ "x${GRUB_DISTRIBUTOR}" = "x" ] ; then
OS=GNU/Linux
else
OS="${GRUB_DISTRIBUTOR} GNU/Linux"
fi
# loop-AES arranges things so that /dev/loop/X can be our root device, but
# the initrds that Linux uses don't like that.
case ${GRUB_DEVICE} in
/dev/loop/*|/dev/loop[0-9])
GRUB_DEVICE=`losetup ${GRUB_DEVICE} | sed -e "s/^[^(]*(\([^)]\+\)).*/\1/"`
;;
esac
if [ "x${GRUB_DEVICE_UUID}" = "x" ] || [ "x${GRUB_DISABLE_LINUX_UUID}" = "xtrue" ] \
|| ! test -e "/dev/disk/by-uuid/${GRUB_DEVICE_UUID}" ; then
LINUX_ROOT_DEVICE=${GRUB_DEVICE}
else
LINUX_ROOT_DEVICE=UUID=${GRUB_DEVICE_UUID}
fi
xen_entry ()
{
cat << EOF
menuentry "$1" {
EOF
prepare_grub_to_access_device ${GRUB_DEVICE_BOOT} | sed -e "s/^/\t/"
cat << EOF
multiboot /boot/xen.gz
module ${rel_dirname}/${basename} -- root=${linux_root_device_thisversion} ro $2
EOF
if test -n "${initrd}" ; then
cat << EOF
module ${rel_dirname}/${initrd}
EOF
fi
cat << EOF
}
EOF
}
list=`for i in /boot/vmlinu[xz]-*-xen* /vmlinu[xz]-*-xen* ; do
if grub_file_is_not_garbage "$i" ; then echo -n "$i " ; fi
done`
while [ "x$list" != "x" ] ; do
linux=`version_find_latest $list`
echo "Found linux xen image: $linux" >&2
basename=`basename $linux`
dirname=`dirname $linux`
rel_dirname=`make_system_path_relative_to_its_root $dirname`
version=`echo $basename | sed -e "s,^[^0-9]*-,,g"`
alt_version=`echo $version | sed -e "s,\.old$,,g"`
linux_root_device_thisversion="${LINUX_ROOT_DEVICE}"
initrd=
for i in "initramfs.img-${version}" "initramfs-${version}.img" \
"initramfs-${version}" "initramfs.img-${alt_version}" \
"initramfs-${alt_version}.img" "initramfs-${alt_version}"; do
if test -e "${dirname}/${i}" ; then
initrd="$i"
break
fi
done
if test -n "${initrd}" ; then
echo "Found initrd image: ${dirname}/${initrd}" >&2
else
# "UUID=" magic is parsed by initrds. Since there's no initrd, it can't work here.
linux_root_device_thisversion=${GRUB_DEVICE}
fi
xen_entry "${OS}, Xen hypervisor with Linux ${version}" \
"${GRUB_CMDLINE_LINUX} ${GRUB_CMDLINE_LINUX_DEFAULT}"
if [ "x${GRUB_DISABLE_LINUX_RECOVERY}" != "xtrue" ]; then
xen_entry "${OS}, with Linux ${version} (recovery mode)" \
"single ${GRUB_CMDLINE_LINUX}"
fi
list=`echo $list | tr ' ' '\n' | grep -vx $linux | tr '\n' ' '`
done