332 lines
13 KiB
Bash
Executable File
332 lines
13 KiB
Bash
Executable File
#! /bin/sh
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set -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="/usr"
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exec_prefix="/usr"
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datarootdir="/usr/share"
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. "$pkgdatadir/grub-mkconfig_lib"
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export TEXTDOMAIN=grub
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export TEXTDOMAINDIR="${datarootdir}/locale"
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CLASS="--class gnu-linux --class gnu --class os --class acrn"
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SUPPORTED_INITS="systemd:/lib/systemd/systemd"
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# read ACRN config (board/scenario)
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ACRN_BOARD=$(echo "get acrn-hypervisor/board" | debconf-communicate || true)
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if [ "$(echo "${ACRN_BOARD}" | awk '{print $1}')" != "0" ]; then
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gettext_printf "ACRN: Cannot access debconf acrn-hypervisor/board: %s" "${ACRN_BOARD}\n" >&2
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exit 0
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fi
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ACRN_BOARD="$(echo "${ACRN_BOARD}" | awk '{print $2}')"
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ACRN_SCENARIO=$(echo "get acrn-hypervisor/scenario" | debconf-communicate || true)
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if [ "$(echo "${ACRN_SCENARIO}" | awk '{print $1}')" != "0" ]; then
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gettext_printf "ACRN: Cannot access debconf acrn-hypervisor/:scenario %s" "${ACRN_SCENARIO}\n" >&2
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exit 0
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fi
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ACRN_SCENARIO="$(echo "${ACRN_SCENARIO}" | awk '{print $2}')"
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# we obtain any data from scenario config
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ACRN_SCENARIO_FILE=/usr/lib/x86_64-linux-gnu/acrn/${ACRN_BOARD}/${ACRN_SCENARIO}/scenario.xml
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if [ ! -f ${ACRN_SCENARIO_FILE} ]; then
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gettext_printf "ACRN: Missing scenario config %s" "${ACRN_SCENARIO_FILE}\n" >&2
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exit 0
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fi
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ACRN_KERN_MOD=$(xmllint --xpath '//vm[load_order="SERVICE_VM"]/os_config/kern_mod/text()' ${ACRN_SCENARIO_FILE} 2>/dev/null || true)
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# skip if no kern_mod tag given
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[ -z "${ACRN_KERN_MOD}" ] && exit 0
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ACRN_RAMDISK_MOD=$(xmllint --xpath '//vm[load_order="SERVICE_VM"]/os_config/ramdisk_mod/text()' ${ACRN_SCENARIO_FILE} 2>/dev/null || true)
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ACRN_BOOTARGS=$(xmllint --xpath '//vm[load_order="SERVICE_VM"]/os_config/bootargs/text()' ${ACRN_SCENARIO_FILE} 2>/dev/null || true)
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# normalize
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ACRN_BOOTARGS=$(echo "${ACRN_BOOTARGS}" | tr -d '\n' | tr -s ' ')
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# eventually remove root=XXX parameter, since this is automatically detected below
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ACRN_BOOTARGS=$(for arg in ${ACRN_BOOTARGS}; do if [ "${arg##root=}" = "${arg}" ]; then echo -n "${arg} "; fi; done)
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# special handling for memmap: make sure $ is escaped to \$. This is a GRUB requirement
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ACRN_BOOTARGS="$(echo "${ACRN_BOOTARGS}" | sed 's/\(.*memmap=[^\$]*\)\$\(.*\)/\1\\\$\2/')"
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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|LC_ALL=C sed 's,[^[:alnum:]_],_,g') ${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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# We can't cope with devices loop-mounted from files here.
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case ${GRUB_DEVICE} in
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/dev/*) ;;
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*) exit 0 ;;
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esac
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;;
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esac
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# btrfs may reside on multiple devices. We cannot pass them as value of root= parameter
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# and mounting btrfs requires user space scanning, so force UUID in this case.
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if [ "x${GRUB_DEVICE_UUID}" = "x" ] || [ "x${GRUB_DISABLE_LINUX_UUID}" = "xtrue" ] \
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|| ! test -e "/dev/disk/by-uuid/${GRUB_DEVICE_UUID}" \
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|| ( test -e "${GRUB_DEVICE}" && uses_abstraction "${GRUB_DEVICE}" lvm ); 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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case x"$GRUB_FS" in
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xbtrfs)
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rootsubvol="`make_system_path_relative_to_its_root /`"
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rootsubvol="${rootsubvol#/}"
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if [ "x${rootsubvol}" != x ]; then
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GRUB_CMDLINE_LINUX="rootflags=subvol=${rootsubvol} ${GRUB_CMDLINE_LINUX}"
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fi;;
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xzfs)
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rpool=`${grub_probe} --device ${GRUB_DEVICE} --target=fs_label 2>/dev/null || true`
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bootfs="`make_system_path_relative_to_its_root / | sed -e "s,@$,,"`"
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LINUX_ROOT_DEVICE="ZFS=${rpool}${bootfs%/}"
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;;
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esac
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title_correction_code=
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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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acrn_version="$3"
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type="$4"
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args="$5"
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acrn_args="$6"
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if [ -z "$boot_device_id" ]; then
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boot_device_id="$(grub_get_device_id "${GRUB_DEVICE}")"
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fi
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if [ x$type != xsimple ] ; then
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if [ x$type = xrecovery ] ; then
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title="$(gettext_printf "%s, with Acrn %s and Linux %s (%s)" "${os}" "${acrn_version}" "${version}" "$(gettext "${GRUB_RECOVERY_TITLE}")")"
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elif [ "${type#init-}" != "$type" ] ; then
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title="$(gettext_printf "%s, with Acrn %s and Linux %s (%s)" "${os}" "${acrn_version}" "${version}" "${type#init-}")"
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else
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title="$(gettext_printf "%s, with Acrn %s and Linux %s" "${os}" "${acrn_version}" "${version}")"
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fi
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replacement_title="$(echo "Advanced options for ${OS}" | sed 's,>,>>,g')>$(echo "$title" | sed 's,>,>>,g')"
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if [ x"Acrn ${acrn_version}>$title" = x"$GRUB_ACTUAL_DEFAULT" ]; then
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quoted="$(echo "$GRUB_ACTUAL_DEFAULT" | grub_quote)"
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title_correction_code="${title_correction_code}if [ \"x\$default\" = '$quoted' ]; then default='$(echo "$replacement_title" | grub_quote)'; fi;"
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grub_warn "$(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")"
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fi
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echo "menuentry '$(echo "$title" | grub_quote)' ${CLASS} \$menuentry_id_option 'acrn-gnulinux-$version-$type-$boot_device_id' {" | sed "s/^/$submenu_indentation/"
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else
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title="$(gettext_printf "%s, with ACRN hypervisor" "${os}")"
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echo "menuentry '$(echo "$title" | grub_quote)' ${CLASS} \$menuentry_id_option 'acrn-gnulinux-simple-$boot_device_id' {" | sed "s/^/$submenu_indentation/"
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fi
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if [ x$type != xrecovery ] ; then
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save_default_entry | grub_add_tab | sed "s/^/$submenu_indentation/"
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fi
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if [ -z "${prepare_boot_cache}" ]; then
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prepare_boot_cache="$(prepare_grub_to_access_device ${GRUB_DEVICE_BOOT} | grub_add_tab)"
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fi
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printf '%s\n' "${prepare_boot_cache}" | sed "s/^/$submenu_indentation/"
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xmessage="$(gettext_printf "Loading Acrn %s ..." ${acrn_version})"
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lmessage="$(gettext_printf "Loading Linux %s ..." ${version})"
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sed "s/^/$submenu_indentation/" << EOF
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echo '$(echo "$xmessage" | grub_quote)'
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${acrn_loader} ${rel_acrn_dirname}/${acrn_basename} ${acrn_args}
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echo '$(echo "$lmessage" | grub_quote)'
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${module_loader} ${rel_dirname}/${basename} ${ACRN_KERN_MOD} root=${linux_root_device_thisversion} ro ${ACRN_BOOTARGS} ${args}
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EOF
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if test -n "${initrd}" && test -n "${ACRN_RAMDISK_MOD}"; then
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# TRANSLATORS: ramdisk isn't identifier. Should be translated.
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message="$(gettext_printf "Loading initial ramdisk ...")"
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sed "s/^/$submenu_indentation/" << EOF
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echo '$(echo "$message" | grub_quote)'
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${module_loader} --nounzip ${rel_dirname}/${initrd} ${ACRN_RAMDISK_MOD}
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EOF
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fi
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sed "s/^/$submenu_indentation/" << EOF
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}
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EOF
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}
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linux_list=
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for i in /boot/vmlinu[xz]-* /vmlinu[xz]-* /boot/kernel-*; do
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if grub_file_is_not_garbage "$i"; then
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basename=$(basename $i)
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version=$(echo $basename | sed -e "s,^[^0-9]*-,,g")
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dirname=$(dirname $i)
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config=
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for j in "${dirname}/config-${version}" "${dirname}/config-${alt_version}" "/etc/kernels/kernel-config-${version}" ; do
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if test -e "${j}" ; then
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config="${j}"
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break
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fi
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done
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if grep -Eqx "^CONFIG_ACRN_HSM=(y|m)" "${config}" 2> /dev/null; then linux_list="$linux_list $i" ; fi
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fi
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done
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if [ "x${linux_list}" = "x" ] ; then
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exit 0
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fi
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file_is_not_sym () {
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case "$1" in
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*/acrn-syms-*)
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return 1;;
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*)
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return 0;;
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esac
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}
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# use ELF *.out files for multiboot
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acrn_out_list=
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for i in /boot/acrn*.out; do
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if grub_file_is_not_garbage "$i" && file_is_not_sym "$i" && grub-file --is-x86-multiboot "$i"; then acrn_out_list="$acrn_out_list $i" ; fi
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done
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# use raw binary *.bin files for multiboot2
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acrn_bin_list=
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for i in /boot/acrn*.bin; do
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if grub_file_is_not_garbage "$i" && file_is_not_sym "$i" && grub-file --is-x86-multiboot2 "$i"; then acrn_bin_list="$acrn_bin_list $i" ; fi
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done
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# we prefer multiboot2
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if [ "x${acrn_bin_list}" != "x" ]; then
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acrn_list="${acrn_bin_list}"
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acrn_loader="multiboot2"
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module_loader="module2"
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else
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acrn_list="${acrn_out_list}"
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acrn_loader="multiboot --quirk-modules-after-kernel"
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module_loader="module"
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fi
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prepare_boot_cache=
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boot_device_id=
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title_correction_code=
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machine=`uname -m`
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case "$machine" in
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i?86) GENKERNEL_ARCH="x86" ;;
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mips|mips64) GENKERNEL_ARCH="mips" ;;
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mipsel|mips64el) GENKERNEL_ARCH="mipsel" ;;
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arm*) GENKERNEL_ARCH="arm" ;;
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*) GENKERNEL_ARCH="$machine" ;;
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esac
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# Extra indentation to add to menu entries in a submenu. We're not in a submenu
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# yet, so it's empty. In a submenu it will be equal to '\t' (one tab).
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submenu_indentation=""
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is_top_level=true
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while [ "x${acrn_list}" != "x" ] ; do
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list="${linux_list}"
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current_acrn=`version_find_latest $acrn_list`
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acrn_basename=`basename ${current_acrn}`
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acrn_dirname=`dirname ${current_acrn}`
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rel_acrn_dirname=`make_system_path_relative_to_its_root $acrn_dirname`
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acrn_version=`echo $acrn_basename | sed -e "s,.out$,,g;s,.bin$,,g;s,^acrn-,,g"`
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if [ -z "$boot_device_id" ]; then
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boot_device_id="$(grub_get_device_id "${GRUB_DEVICE}")"
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fi
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if [ "x$is_top_level" != xtrue ]; then
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echo " submenu '$(gettext_printf "ACRN hypervisor, version %s" "${acrn_version}" | grub_quote)' \$menuentry_id_option 'acrn-hypervisor-$acrn_version-$boot_device_id' {"
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fi
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while [ "x$list" != "x" ] ; do
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linux=`version_find_latest $list`
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gettext_printf "Found linux image: %s\n" "$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="${LINUX_ROOT_DEVICE}"
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initrd=
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# only use initrd when needed by scenarioconfig (even when generated at image install)
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if test -n "${ACRN_RAMDISK_MOD}"; then
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for i in "initrd.img-${version}" "initrd-${version}.img" "initrd-${version}.gz" \
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"initrd-${version}" "initramfs-${version}.img" \
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"initrd.img-${alt_version}" "initrd-${alt_version}.img" \
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"initrd-${alt_version}" "initramfs-${alt_version}.img" \
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"initramfs-genkernel-${version}" \
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"initramfs-genkernel-${alt_version}" \
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"initramfs-genkernel-${GENKERNEL_ARCH}-${version}" \
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"initramfs-genkernel-${GENKERNEL_ARCH}-${alt_version}" ; do
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if test -e "${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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else
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gettext_printf "Skipped initrd image for ${ACRN_BOARD}:${ACRN_SCENARIO}\n" >&2
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fi
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if test -n "${initrd}" ; then
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gettext_printf "Found initrd image: %s\n" "${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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if [ "x$is_top_level" = xtrue ] && [ "x${GRUB_DISABLE_SUBMENU}" != xy ]; then
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linux_entry "${OS}" "${version}" "${acrn_version}" simple \
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"${GRUB_CMDLINE_LINUX} ${GRUB_CMDLINE_LINUX_DEFAULT}" "${GRUB_CMDLINE_ACRN} ${GRUB_CMDLINE_ACRN_DEFAULT}"
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submenu_indentation="$grub_tab$grub_tab"
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if [ -z "$boot_device_id" ]; then
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boot_device_id="$(grub_get_device_id "${GRUB_DEVICE}")"
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fi
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# TRANSLATORS: %s is replaced with an OS name
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echo "submenu '$(gettext_printf "Advanced options for %s (with ACRN hypervisor)" "${OS}" | grub_quote)' \$menuentry_id_option 'gnulinux-advanced-$boot_device_id' {"
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is_top_level=false
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fi
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linux_entry "${OS}" "${version}" "${acrn_version}" advanced \
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"${GRUB_CMDLINE_LINUX} ${GRUB_CMDLINE_LINUX_DEFAULT}" "${GRUB_CMDLINE_ACRN} ${GRUB_CMDLINE_ACRN_DEFAULT}"
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for supported_init in ${SUPPORTED_INITS}; do
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init_path="${supported_init#*:}"
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if [ -x "${init_path}" ] && [ "$(readlink -f /sbin/init)" != "$(readlink -f "${init_path}")" ]; then
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linux_entry "${OS}" "${version}" "${acrn_version}" "init-${supported_init%%:*}" \
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"${GRUB_CMDLINE_LINUX} ${GRUB_CMDLINE_LINUX_DEFAULT}" "init=${init_path} ${GRUB_CMDLINE_ACRN} ${GRUB_CMDLINE_ACRN_DEFAULT}"
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fi
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done
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if [ "x${GRUB_DISABLE_RECOVERY}" != "xtrue" ]; then
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linux_entry "${OS}" "${version}" "${acrn_version}" recovery \
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"single ${GRUB_CMDLINE_LINUX}" "${GRUB_CMDLINE_ACRN}"
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fi
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list=`echo $list | tr ' ' '\n' | fgrep -vx "$linux" | tr '\n' ' '`
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done
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acrn_list=`echo $acrn_list | tr ' ' '\n' | fgrep -vx "$current_acrn" | tr '\n' ' '`
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done
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# If at least one kernel was found, then we need to
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# add a closing '}' for the submenu command.
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if [ x"$is_top_level" != xtrue ]; then
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echo '}'
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fi
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echo "$title_correction_code"
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