diff options
Diffstat (limited to 'pcr/xen/21_linux_xen_multiboot_arch')
| -rwxr-xr-x | pcr/xen/21_linux_xen_multiboot_arch | 296 |
1 files changed, 296 insertions, 0 deletions
diff --git a/pcr/xen/21_linux_xen_multiboot_arch b/pcr/xen/21_linux_xen_multiboot_arch new file mode 100755 index 000000000..ef3a39b54 --- /dev/null +++ b/pcr/xen/21_linux_xen_multiboot_arch @@ -0,0 +1,296 @@ +#! /bin/sh +set -e + +# grub-mkconfig helper script. +# Copyright (C) 2006,2007,2008,2009,2010 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" +datarootdir="/usr/share" + +. "$pkgdatadir/grub-mkconfig_lib" + +export TEXTDOMAIN=grub +export TEXTDOMAINDIR="${datarootdir}/locale" + +CLASS="--class gnu-linux --class gnu --class os --class xen" + +if [ "x${GRUB_DISTRIBUTOR}" = "x" ] ; then + OS=GNU/Linux-libre +else + OS="${GRUB_DISTRIBUTOR} GNU/Linux-libre" + CLASS="--class $(echo ${GRUB_DISTRIBUTOR} | tr 'A-Z' 'a-z' | cut -d' ' -f1|LC_ALL=C sed 's,[^[:alnum:]_],_,g') ${CLASS}" +fi + +# loop-AES arranges things so that /dev/loop/X can be our root device, but +# the initrds that Linux-libre 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 + +# btrfs may reside on multiple devices. We cannot pass them as value of root= parameter +# and mounting btrfs requires user space scanning, so force UUID in this case. +if [ "x${GRUB_DEVICE_UUID}" = "x" ] || [ "x${GRUB_DISABLE_LINUX_UUID}" = "xtrue" ] \ + || ! test -e "/dev/disk/by-uuid/${GRUB_DEVICE_UUID}" \ + || ( test -e "${GRUB_DEVICE}" && uses_abstraction "${GRUB_DEVICE}" lvm ); then + LINUX_ROOT_DEVICE=${GRUB_DEVICE} +else + LINUX_ROOT_DEVICE=UUID=${GRUB_DEVICE_UUID} +fi + +# Allow overriding GRUB_CMDLINE_LINUX and GRUB_CMDLINE_LINUX_DEFAULT. +if [ "${GRUB_CMDLINE_LINUX_XEN_REPLACE}" ]; then + GRUB_CMDLINE_LINUX="${GRUB_CMDLINE_LINUX_XEN_REPLACE}" +fi +if [ "${GRUB_CMDLINE_LINUX_XEN_REPLACE_DEFAULT}" ]; then + GRUB_CMDLINE_LINUX_DEFAULT="${GRUB_CMDLINE_LINUX_XEN_REPLACE_DEFAULT}" +fi + +case x"$GRUB_FS" in + xbtrfs) + rootsubvol="`make_system_path_relative_to_its_root /`" + rootsubvol="${rootsubvol#/}" + if [ "x${rootsubvol}" != x ]; then + GRUB_CMDLINE_LINUX="rootflags=subvol=${rootsubvol} ${GRUB_CMDLINE_LINUX}" + fi;; + xzfs) + rpool=`${grub_probe} --device ${GRUB_DEVICE} --target=fs_label 2>/dev/null || true` + bootfs="`make_system_path_relative_to_its_root / | sed -e "s,@$,,"`" + LINUX_ROOT_DEVICE="ZFS=${rpool}${bootfs}" + ;; +esac + +title_correction_code= + +linux_entry () +{ + os="$1" + version="$2" + xen_version="$3" + type="$4" + args="$5" + xen_args="$6" + ver="" + if $($grub_file --is-x86-multiboot2 ${xen_dirname}/${xen_basename}); then + ver="2" + fi + if [ -z "$boot_device_id" ]; then + boot_device_id="$(grub_get_device_id "${GRUB_DEVICE}")" + fi + if [ x$type != xsimple ] ; then + if [ x$type = xrecovery ] ; then + title="$(gettext_printf "%s, with Xen %s and Linux-%s (recovery mode)" "${os}" "${xen_version}" "${version}")" + else + title="$(gettext_printf "%s, with Xen %s and Linux-%s" "${os}" "${xen_version}" "${version}")" + fi + replacement_title="$(echo "Advanced options for ${OS}" | sed 's,>,>>,g')>$(echo "$title" | sed 's,>,>>,g')" + if [ x"Xen ${xen_version}>$title" = x"$GRUB_ACTUAL_DEFAULT" ]; then + quoted="$(echo "$GRUB_ACTUAL_DEFAULT" | grub_quote)" + title_correction_code="${title_correction_code}if [ \"x\$default\" = '$quoted' ]; then default='$(echo "$replacement_title" | grub_quote)'; fi;" + grub_warn "$(gettext_printf "Please don't use old title \`%s' for GRUB_DEFAULT, use \`%s' (for versions before 2.00) or \`%s' (for 2.00 or later)" "$GRUB_ACTUAL_DEFAULT" "$replacement_title" "gnulinux-advanced-$boot_device_id>gnulinux-$version-$type-$boot_device_id")" + fi + echo "menuentry '$(echo "$title" | grub_quote)' ${CLASS} \$menuentry_id_option 'xen-gnulinux-$version-$type-$boot_device_id' {" | sed "s/^/$submenu_indentation/" + else + title="$(gettext_printf "%s, with Xen hypervisor" "${os}")" + echo "menuentry '$(echo "$title" | grub_quote)' ${CLASS} \$menuentry_id_option 'xen-gnulinux-simple-$boot_device_id' {" | sed "s/^/$submenu_indentation/" + fi + if [ x$type != xrecovery ] ; then + save_default_entry | grub_add_tab | sed "s/^/$submenu_indentation/" + fi + + if [ -z "${prepare_boot_cache}" ]; then + prepare_boot_cache="$(prepare_grub_to_access_device ${GRUB_DEVICE_BOOT} | grub_add_tab)" + fi + printf '%s\n' "${prepare_boot_cache}" | sed "s/^/$submenu_indentation/" + xmessage="$(gettext_printf "Loading Xen %s ..." ${xen_version})" + lmessage="$(gettext_printf "Loading Linux-libre %s ..." ${version})" + sed "s/^/$submenu_indentation/" << EOF + echo '$(echo "$xmessage" | grub_quote)' + if [ "\$grub_platform" = "pc" -o "\$grub_platform" = "" ]; then + xen_rm_opts= + else + xen_rm_opts="no-real-mode edd=off" + fi + multiboot${ver} ${rel_xen_dirname}/${xen_basename} placeholder ${xen_args} \${xen_rm_opts} + echo '$(echo "$lmessage" | grub_quote)' + module${ver} ${rel_dirname}/${basename} placeholder root=${linux_root_device_thisversion} ro ${args} +EOF + if test -n "${initrd}" ; then + # TRANSLATORS: ramdisk isn't identifier. Should be translated. + message="$(gettext_printf "Loading initial ramdisk ...")" + sed "s/^/$submenu_indentation/" << EOF + echo '$(echo "$message" | grub_quote)' + module${ver} --nounzip ${rel_dirname}/${initrd} +EOF + fi + sed "s/^/$submenu_indentation/" << EOF +} +EOF +} + +linux_list= +for i in /boot/vmlinu[xz]-* /vmlinu[xz]-* /boot/kernel-*; do + if grub_file_is_not_garbage "$i"; then + basename=$(basename $i) + version=$(echo $basename | sed -e "s,^[^0-9]*-,,g") + dirname=$(dirname $i) + config= + for j in "${dirname}/config-${version}" "${dirname}/config-${alt_version}" "/etc/kernels/kernel-config-${version}" ; do + if test -e "${j}" ; then + config="${j}" + break + fi + done + if (grep -qx "CONFIG_XEN_DOM0=y" "${config}" 2> /dev/null || grep -qx "CONFIG_XEN_PRIVILEGED_GUEST=y" "${config}" 2> /dev/null || [ -z ${config} ]); then linux_list="$linux_list $i" ; fi + fi +done +if [ "x${linux_list}" = "x" ] ; then + exit 0 +fi + +file_is_not_sym () { + case "$1" in + */xen-syms-*) + return 1;; + *) + return 0;; + esac +} + +file_is_not_xen_config () { + case "$1" in + */xen*\.*config) + return 1;; + */xen*\.*cfg) + return 1;; + */xen*\.*efi) + return 1;; + *) + return 0;; + esac +} + + +xen_list= +for i in /boot/xen*; do + if grub_file_is_not_garbage "$i" && file_is_not_sym "$i" && file_is_not_xen_config "$i"; then xen_list="$xen_list $i" ; fi +done +prepare_boot_cache= +boot_device_id= + +title_correction_code= + +machine=`uname -m` + +case "$machine" in + i?86) GENKERNEL_ARCH="x86" ;; + mips|mips64) GENKERNEL_ARCH="mips" ;; + mipsel|mips64el) GENKERNEL_ARCH="mipsel" ;; + arm*) GENKERNEL_ARCH="arm" ;; + *) GENKERNEL_ARCH="$machine" ;; +esac + +# Extra indentation to add to menu entries in a submenu. We're not in a submenu +# yet, so it's empty. In a submenu it will be equal to '\t' (one tab). +submenu_indentation="" + +is_top_level=true + +while [ "x${xen_list}" != "x" ] ; do + list="${linux_list}" + current_xen=`version_find_latest $xen_list` + xen_basename=`basename ${current_xen}` + xen_dirname=`dirname ${current_xen}` + rel_xen_dirname=`make_system_path_relative_to_its_root $xen_dirname` + xen_version=`echo $xen_basename | sed -e "s,.gz$,,g;s,^xen-,,g"` + if [ -z "$boot_device_id" ]; then + boot_device_id="$(grub_get_device_id "${GRUB_DEVICE}")" + fi + if [ "x$is_top_level" != xtrue ]; then + echo " submenu '$(gettext_printf "Xen hypervisor, version %s" "${xen_version}" | grub_quote)' \$menuentry_id_option 'xen-hypervisor-$xen_version-$boot_device_id' {" + fi + while [ "x$list" != "x" ] ; do + linux=`version_find_latest $list` + gettext_printf "Found linux-libre image: %s\n" "$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="${LINUX_ROOT_DEVICE}" + + initrd= + for i in "initramfs-linux-${version}.img" \ + "initrd.img-${version}" "initrd-${version}.img" \ + "initrd-${version}.gz" \ + "initrd-${version}" "initramfs-${version}.img" \ + "initrd.img-${alt_version}" "initrd-${alt_version}.img" \ + "initrd-${alt_version}" "initramfs-${alt_version}.img" \ + "initramfs-genkernel-${version}" \ + "initramfs-genkernel-${alt_version}" \ + "initramfs-genkernel-${GENKERNEL_ARCH}-${version}" \ + "initramfs-genkernel-${GENKERNEL_ARCH}-${alt_version}" ; do + if test -e "${dirname}/${i}" ; then + initrd="$i" + break + fi + done + if test -n "${initrd}" ; then + gettext_printf "Found initrd image: %s\n" "${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 + + if [ "x$is_top_level" = xtrue ] && [ "x${GRUB_DISABLE_SUBMENU}" != xy ]; then + linux_entry "${OS}" "${version}" "${xen_version}" simple \ + "${GRUB_CMDLINE_LINUX} ${GRUB_CMDLINE_LINUX_DEFAULT}" "${GRUB_CMDLINE_XEN} ${GRUB_CMDLINE_XEN_DEFAULT}" + + submenu_indentation="$grub_tab$grub_tab" + + if [ -z "$boot_device_id" ]; then + boot_device_id="$(grub_get_device_id "${GRUB_DEVICE}")" + fi + # TRANSLATORS: %s is replaced with an OS name + echo "submenu '$(gettext_printf "Advanced options for %s (with Xen hypervisor)" "${OS}" | grub_quote)' \$menuentry_id_option 'gnulinux-advanced-$boot_device_id' {" + echo " submenu '$(gettext_printf "Xen hypervisor, version %s" "${xen_version}" | grub_quote)' \$menuentry_id_option 'xen-hypervisor-$xen_version-$boot_device_id' {" + is_top_level=false + fi + + linux_entry "${OS}" "${version}" "${xen_version}" advanced \ + "${GRUB_CMDLINE_LINUX} ${GRUB_CMDLINE_LINUX_DEFAULT}" "${GRUB_CMDLINE_XEN} ${GRUB_CMDLINE_XEN_DEFAULT}" + if [ "x${GRUB_DISABLE_RECOVERY}" != "xtrue" ]; then + linux_entry "${OS}" "${version}" "${xen_version}" recovery \ + "single ${GRUB_CMDLINE_LINUX}" "${GRUB_CMDLINE_XEN}" + fi + + list=`echo $list | tr ' ' '\n' | fgrep -vx "$linux" | tr '\n' ' '` + done + if [ x"$is_top_level" != xtrue ]; then + echo ' }' + fi + xen_list=`echo $xen_list | tr ' ' '\n' | fgrep -vx "$current_xen" | tr '\n' ' '` +done + +# If at least one kernel was found, then we need to +# add a closing '}' for the submenu command. +if [ x"$is_top_level" != xtrue ]; then + echo '}' +fi + +echo "$title_correction_code" |