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-rw-r--r--util/grub.d/20_linux_xen.in363
1 files changed, 363 insertions, 0 deletions
diff --git a/util/grub.d/20_linux_xen.in b/util/grub.d/20_linux_xen.in
new file mode 100644
index 0000000..3b1f470
--- /dev/null
+++ b/util/grub.d/20_linux_xen.in
@@ -0,0 +1,363 @@
+#! /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="@prefix@"
+exec_prefix="@exec_prefix@"
+datarootdir="@datarootdir@"
+
+. "$pkgdatadir/grub-mkconfig_lib"
+
+export TEXTDOMAIN=@PACKAGE@
+export TEXTDOMAINDIR="@localedir@"
+
+CLASS="--class gnu-linux --class gnu --class os --class xen"
+
+if [ "x${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/"`
+ ;;
+esac
+
+# Default to disabling partition uuid support to maintian compatibility with
+# older kernels.
+GRUB_DISABLE_LINUX_PARTUUID=${GRUB_DISABLE_LINUX_PARTUUID-true}
+
+# btrfs may reside on multiple devices. We cannot pass them as value of root= parameter
+# and mounting btrfs requires user space scanning, so force UUID in this case.
+if ( [ "x${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"
+ 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.
+ if ${xsm} ; then
+ xenpolicy="xenpolicy-$xen_version"
+ if test ! -e "${xen_dirname}/${xenpolicy}" ; then
+ return
+ fi
+ xen_args="$xen_args flask=enforcing"
+ xen_version="$(gettext_printf "%s (XSM enabled)" "$xen_version")"
+ # xen_version is used for messages only; actual file is xen_basename
+ fi
+ if [ -z "$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="$(gettext_printf "%s, with Xen %s and Linux %s (recovery mode)" "${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 %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 ${initrd}; do
+ initrd_path="${initrd_path} ${rel_dirname}/${i}"
+ done
+ sed "s/^/$submenu_indentation/" << EOF
+ echo '$(echo "$message" | grub_quote)'
+ ${module_loader} --nounzip $(echo $initrd_path)
+EOF
+ fi
+ if test -n "${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="$machine" ;;
+esac
+
+# Extra indentation to add to menu entries in a submenu. We're not in a submenu
+# yet, so it's empty. In a submenu it will be equal to '\t' (one tab).
+submenu_indentation=""
+
+is_top_level=true
+
+while [ "x${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
+ 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} ${i}"
+ fi
+ done
+
+ while [ "x$list" != "x" ] ; do
+ linux=`version_find_latest $list`
+ gettext_printf "Found linux image: %s\n" "$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-${version}.img" "initrd-${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_real="$i"
+ break
+ fi
+ done
+
+ initrd=
+ if test -n "${initrd_early}" || test -n "${initrd_real}"; then
+ initrd="${initrd_early} ${initrd_real}"
+
+ 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 \
+ "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"
generated by cgit v1.2.3 (git 2.39.1) at 2024-05-04 21:47:37 +0000