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#! /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${GRUB_DISTRIBUTOR}" = "x" ] ; then OS=GNU/Linux else OS="${GRUB_DISTRIBUTOR} GNU/Linux" 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 uses don't like that. case ${GRUB_DEVICE} in /dev/loop/*|/dev/loop[0-9]) GRUB_DEVICE=`losetup ${GRUB_DEVICE} | sed -e "s/^[^(]*($[^)]\+$).*/\1/"` # We can't cope with devices loop-mounted from files here. case ${GRUB_DEVICE} in /dev/*) ;; *) exit 0 ;; esac ;; esac : ${GRUB_CMDLINE_LINUX_RECOVERY:=single} # Default to disabling partition uuid support to maintian compatibility with # older kernels. : ${GRUB_DISABLE_LINUX_PARTUUID=true} # btrfs may reside on multiple devices. We cannot pass them as value of root= parameter # and mounting btrfs requires user space scanning, so force UUID in this case. if ( [ "x${GRUB_DEVICE_UUID}" = "x" ] && [ "x${GRUB_DEVICE_PARTUUID}" = "x" ] ) \ || ( [ "x${GRUB_DISABLE_LINUX_UUID}" = "xtrue" ] \ && [ "x${GRUB_DISABLE_LINUX_PARTUUID}" = "xtrue" ] ) \ || ( ! test -e "/dev/disk/by-uuid/${GRUB_DEVICE_UUID}" \ && ! test -e "/dev/disk/by-partuuid/${GRUB_DEVICE_PARTUUID}" ) \ || ( test -e "${GRUB_DEVICE}" && uses_abstraction "${GRUB_DEVICE}" lvm ); then LINUX_ROOT_DEVICE=${GRUB_DEVICE} elif [ "x${GRUB_DEVICE_UUID}" = "x" ] \ || [ "x${GRUB_DISABLE_LINUX_UUID}" = "xtrue" ]; then LINUX_ROOT_DEVICE=PARTUUID=${GRUB_DEVICE_PARTUUID} else LINUX_ROOT_DEVICE=UUID=${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 () { linux_entry_xsm "$@" false linux_entry_xsm "$@" true } linux_entry_xsm () { os="$1" version="$2" entry_xen_version="$3" type="$4" args="$5" xen_args="$6" xsm="$7" # If user wants to enable XSM support, make sure there's # corresponding policy file. xenpolicy= if ${xsm} ; then xenpolicy="xenpolicy-$entry_xen_version" if test ! -e "${xen_dirname}/${xenpolicy}" ; then return fi xen_args="$xen_args flask=enforcing" entry_xen_version="$(gettext_printf "%s (XSM enabled)" "$entry_xen_version")" # entry_xen_version is used for messages only; actual file is xen_basename fi if [ -z "$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="$(gettext_printf "%s, with Xen %s and Linux %s (%s)" "${os}" "${entry_xen_version}" "${version}" "$(gettext "${GRUB_RECOVERY_TITLE}")")" else title="$(gettext_printf "%s, with Xen %s and Linux %s" "${os}" "${entry_xen_version}" "${version}")" fi replacement_title="$(echo "Advanced options for ${OS}" | sed 's,>,>>,g')>$(echo "$title" | sed 's,>,>>,g')" if [ x"Xen ${entry_xen_version}>$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 ..." ${entry_xen_version})" lmessage="$(gettext_printf "Loading Linux %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 ${xen_loader} ${rel_xen_dirname}/${xen_basename} placeholder ${xen_args} \${xen_rm_opts} echo '$(echo "$lmessage" | grub_quote)' ${module_loader} ${rel_dirname}/${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 ...")" initrd_path= for i in ${initrd}; do initrd_path="${rel_dirname}/${i}" sed "s/^/$submenu_indentation/" << EOF echo '$(echo "$message" | grub_quote)' ${module_loader} --nounzip $(echo $initrd_path) EOF done fi if ${xsm} && test -n "${xenpolicy}" ; then message="$(gettext_printf "Loading XSM policy ...")" sed "s/^/$submenu_indentation/" << EOF echo '$(echo "$message" | grub_quote)' ${module_loader} ${rel_dirname}/${xenpolicy} 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); then linux_list="$linux_list $i" ; fi fi done if [ "x${linux_list}" = "x" ] ; then exit 0 fi file_is_not_xen_garbage () { case "$1" in */xen-syms-*) return 1;; */xenpolicy-*) return 1;; */*.config) return 1;; *) return 0;; esac } xen_list= for i in /boot/xen*; do if grub_file_is_not_garbage "$i" && file_is_not_xen_garbage "$i" ; then xen_list="$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="$machine" ;; esac # Extra indentation to add to menu entries in a submenu. We're not in a submenu # yet, so it's empty. In a submenu it will be equal to '\t' (one tab). submenu_indentation="" # Perform a reverse version sort on the entire xen_list and linux_list. # Temporarily replace the '.old' suffix by ' 1' and append ' 2' for all # other files to order the '.old' files after their non-old counterpart # in reverse-sorted order. reverse_sorted_xen_list=$(echo ${xen_list} | tr ' ' '\n' | sed -e 's/\.old$/ 1/; / 1$/! s/$/ 2/' | version_sort -r | sed -e 's/ 1$/.old/; s/ 2$//') reverse_sorted_linux_list=$(echo ${linux_list} | tr ' ' '\n' | sed -e 's/\.old$/ 1/; / 1$/! s/$/ 2/' | version_sort -r | sed -e 's/ 1$/.old/; s/ 2$//') if [ "x$GRUB_TOP_LEVEL_XEN" != x ]; then reverse_sorted_xen_list=$(grub_move_to_front "$GRUB_TOP_LEVEL_XEN" ${reverse_sorted_xen_list}) fi if [ "x$GRUB_TOP_LEVEL" != x ]; then reverse_sorted_linux_list=$(grub_move_to_front "$GRUB_TOP_LEVEL" ${reverse_sorted_linux_list}) fi is_top_level=true for current_xen in ${reverse_sorted_xen_list}; do 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 if ($grub_file --is-arm64-efi $current_xen); then xen_loader="xen_hypervisor" module_loader="xen_module" else if ($grub_file --is-x86-multiboot2 $current_xen); then xen_loader="multiboot2" module_loader="module2" else xen_loader="multiboot" module_loader="module" fi fi initrd_early= for i in ${GRUB_EARLY_INITRD_LINUX_STOCK} \ ${GRUB_EARLY_INITRD_LINUX_CUSTOM}; do if test -e "${xen_dirname}/${i}" ; then initrd_early="${initrd_early} ${i}" fi done for linux in ${reverse_sorted_linux_list}; do gettext_printf "Found linux image: %s\n" "$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="${LINUX_ROOT_DEVICE}" initrd_real= for i in "initrd.img-${version}" "initrd-${version}.img" \ "initrd-${alt_version}.img.old" "initrd-${version}.gz" \ "initrd-${alt_version}.gz.old" "initrd-${version}" \ "initramfs-${version}.img" "initramfs-${alt_version}.img.old" \ "initrd.img-${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}/${i}" ; then initrd_real="$i" break fi done initrd= if test -n "${initrd_early}" || test -n "${initrd_real}"; then # Xen assumes the real initrd is the first module after the kernel. # Additional (later) initrds can also be used for microcode update, # with Xen option 'ucode=<scan|module number> (non-default anyway). initrd="${initrd_real} ${initrd_early}" initrd_display= for i in ${initrd}; do initrd_display="${initrd_display} ${dirname}/${i}" done gettext_printf "Found initrd image: %s\n" "$(echo $initrd_display)" >&2 fi if test -z "${initrd_real}"; then # "UUID=" magic is parsed by initrds. Since there's no initrd, it can't work here. if [ "x${GRUB_DEVICE_PARTUUID}" = "x" ] \ || [ "x${GRUB_DISABLE_LINUX_PARTUUID}" = "xtrue" ]; then linux_root_device_thisversion=${GRUB_DEVICE} else linux_root_device_thisversion=PARTUUID=${GRUB_DEVICE_PARTUUID} fi fi # The GRUB_DISABLE_SUBMENU option used to be different than others since it was # mentioned in the documentation that has to be set to 'y' instead of 'true' to # enable it. This caused a lot of confusion to users that set the option to 'y', # 'yes' or 'true'. This was fixed but all of these values must be supported now. if [ "x${GRUB_DISABLE_SUBMENU}" = xyes ] || [ "x${GRUB_DISABLE_SUBMENU}" = xy ]; then GRUB_DISABLE_SUBMENU="true" fi if [ "x$is_top_level" = xtrue ] && [ "x${GRUB_DISABLE_SUBMENU}" != xtrue ]; 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}" "${xen_version}" recovery \ "${GRUB_CMDLINE_LINUX_RECOVERY} ${GRUB_CMDLINE_LINUX}" "${GRUB_CMDLINE_XEN}" fi done if [ x"$is_top_level" != xtrue ]; then echo ' }' fi done # If at least one kernel was found, then we need to # add a closing '}' for the submenu command. if [ x"$is_top_level" != xtrue ]; then echo '}' fi echo "$title_correction_code"