xen configuration preliminary support based on enhanced version of a kludge I use
This commit is contained in:
Vladimir 'phcoder' Serbinenko
parent
c0f48e654d
commit
19dcc49086
3 changed files with 144 additions and 0 deletions
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@ -219,6 +219,9 @@ grub-mkconfig_SCRIPTS = 00_header 30_os-prober 40_custom
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ifneq (, $(host_kernel))
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grub-mkconfig_SCRIPTS += 10_$(host_kernel)
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endif
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ifeq (linux, $(host_kernel))
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grub-mkconfig_SCRIPTS += 20_linux_xen
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endif
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CLEANFILES += $(grub-mkconfig_SCRIPTS)
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@ -239,6 +239,8 @@ export GRUB_DEFAULT \
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GRUB_DISTRIBUTOR \
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GRUB_CMDLINE_LINUX \
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GRUB_CMDLINE_LINUX_DEFAULT \
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GRUB_CMDLINE_XEN \
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GRUB_CMDLINE_XEN_DEFAULT \
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GRUB_CMDLINE_NETBSD \
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GRUB_CMDLINE_NETBSD_DEFAULT \
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GRUB_TERMINAL_INPUT \
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139
util/grub.d/20_linux_xen.in
Normal file
139
util/grub.d/20_linux_xen.in
Normal file
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@ -0,0 +1,139 @@
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#! /bin/sh -e
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# grub-mkconfig helper script.
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# Copyright (C) 2006,2007,2008,2009,2010 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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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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. ${libdir}/grub/grub-mkconfig_lib
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export TEXTDOMAIN=@PACKAGE@
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export TEXTDOMAINDIR=@localedir@
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CLASS="--class gnu-linux --class gnu --class os --class xen"
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if [ "x${GRUB_DISTRIBUTOR}" = "x" ] ; then
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OS=GNU/Linux
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else
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OS="${GRUB_DISTRIBUTOR} GNU/Linux"
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CLASS="--class $(echo ${GRUB_DISTRIBUTOR} | tr '[A-Z]' '[a-z]' | cut -d' ' -f1) ${CLASS}"
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fi
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# loop-AES arranges things so that /dev/loop/X can be our root device, but
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# the initrds that Linux uses don't like that.
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case ${GRUB_DEVICE} in
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/dev/loop/*|/dev/loop[0-9])
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GRUB_DEVICE=`losetup ${GRUB_DEVICE} | sed -e "s/^[^(]*(\([^)]\+\)).*/\1/"`
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;;
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esac
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if [ "x${GRUB_DEVICE_UUID}" = "x" ] || [ "x${GRUB_DISABLE_LINUX_UUID}" = "xtrue" ] \
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|| ! test -e "/dev/disk/by-uuid/${GRUB_DEVICE_UUID}" ; then
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LINUX_ROOT_DEVICE=${GRUB_DEVICE}
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else
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LINUX_ROOT_DEVICE=UUID=${GRUB_DEVICE_UUID}
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fi
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linux_entry ()
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{
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os="$1"
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version="$2"
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xen_version="$3"
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recovery="$4"
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args="$5"
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xen_args="$6"
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if ${recovery} ; then
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title="$(gettext_quoted "%s, with Linux %s and XEN %s (recovery mode)")"
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else
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title="$(gettext_quoted "%s, with Linux %s and XEN %s")"
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fi
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printf "menuentry '${title}' ${CLASS} {\n" "${os}" "${version}" "${xen_version}"
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save_default_entry | sed -e "s/^/\t/"
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if [ -z "${prepare_boot_cache}" ]; then
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prepare_boot_cache="$(prepare_grub_to_access_device ${GRUB_DEVICE_BOOT} | sed -e "s/^/\t/")"
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fi
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printf '%s\n' "${prepare_boot_cache}"
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cat << EOF
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echo '$(printf "$(gettext_quoted "Loading Linux %s ...")" ${version})'
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multiboot ${rel_xen_dirname}/${xen_basename} placeholder ${xen_args}
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module ${rel_dirname}/${basename} placeholder root=${linux_root_device_thisversion} ro ${args}
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EOF
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if test -n "${initrd}" ; then
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cat << EOF
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echo '$(gettext_quoted "Loading initial ramdisk ...")'
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module ${rel_dirname}/${initrd}
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EOF
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fi
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cat << EOF
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}
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EOF
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}
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linux_list=`for i in /boot/vmlinu[xz]-*jeremy* /vmlinu[xz]-*jeremy* ; do
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if grub_file_is_not_garbage "$i" ; then echo -n "$i " ; fi
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done`
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xen_list=`for i in /boot/xen*; do
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if grub_file_is_not_garbage "$i" ; then echo -n "$i " ; fi
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done`
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prepare_boot_cache=
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while [ "x${xen_list}" != "x" ] ; do
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list="${linux_list}"
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current_xen=`version_find_latest $xen_list`
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xen_basename=`basename ${current_xen}`
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xen_dirname=`dirname ${current_xen}`
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rel_xen_dirname=`make_system_path_relative_to_its_root $xen_dirname`
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xen_version=`echo $xen_basename | sed -e "s,.gz$,,g;s,^xen-,,g"`
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while [ "x$list" != "x" ] ; do
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linux=`version_find_latest $list`
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echo "Found linux image: $linux" >&2
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basename=`basename $linux`
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dirname=`dirname $linux`
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rel_dirname=`make_system_path_relative_to_its_root $dirname`
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version=`echo $basename | sed -e "s,^[^0-9]*-,,g"`
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alt_version=`echo $version | sed -e "s,\.old$,,g"`
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linux_root_device_thisversion="${LINUX_ROOT_DEVICE}"
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initrd=
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for i in "initrd.img-${version}" "initrd-${version}.img" \
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"initrd-${version}" "initrd.img-${alt_version}" \
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"initrd-${alt_version}.img" "initrd-${alt_version}"; do
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if test -e "${dirname}/${i}" ; then
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initrd="$i"
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break
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fi
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done
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if test -n "${initrd}" ; then
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echo "Found initrd image: ${dirname}/${initrd}" >&2
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else
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# "UUID=" magic is parsed by initrds. Since there's no initrd, it can't work here.
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linux_root_device_thisversion=${GRUB_DEVICE}
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fi
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linux_entry "${OS}" "${version}" "${xen_version}" false \
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"${GRUB_CMDLINE_LINUX} ${GRUB_CMDLINE_LINUX_DEFAULT}" "${GRUB_CMDLINE_XEN} ${GRUB_CMDLINE_XEN_DEFAULT}"
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if [ "x${GRUB_DISABLE_LINUX_RECOVERY}" != "xtrue" ]; then
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linux_entry "${OS}" "${version}" "${xen_version}" true \
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"single ${GRUB_CMDLINE_LINUX}" "${GRUB_CMDLINE_XEN}"
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fi
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list=`echo $list | tr ' ' '\n' | grep -vx $linux | tr '\n' ' '`
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done
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xen_list=`echo $xen_list | tr ' ' '\n' | grep -vx $current_xen | tr '\n' ' '`
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done
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