diff options
Diffstat (limited to 'kernels/xen/09_xen')
| -rw-r--r-- | kernels/xen/09_xen | 322 |
1 files changed, 206 insertions, 116 deletions
diff --git a/kernels/xen/09_xen b/kernels/xen/09_xen index ddb20696f..c00d1ab96 100644 --- a/kernels/xen/09_xen +++ b/kernels/xen/09_xen @@ -1,141 +1,231 @@ -#! /bin/sh -e +#!/usr/bin/env bash + +## +## grub-mkconfig helper script specific to Parabola GNU/Linux-libre +## Contributed by "Keshav Amburay" <the ddoott ridikulus ddoott rat aatt geemmayil ddoott ccoomm> +## Rebranded for Parabola by "André Silva" <emulatorman@parabola.nu> +## Updated on 08 February 2014 +## +## Script based on do_grub_config() function in Arch Archboot ISO Installer/Setup script +## Some parts taken from /etc/grub.d/10_linux script shipped by GRUB(2) upstream +## +## This script can be freely distributed and/or modified +## 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. +## +## This script 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. +## + +## Adapted for use with the xen package, to ensure feature comparity +## Modified by "David Sutton" <kantras - gmail com> + +_FUNC_GRUB_FILE_PRESENT() { + + [[ -z "${GRUB_PLATFORM}" ]] && GRUB_PLATFORM="x86" + + if [[ "${GRUB_PLATFORM}" == "x86" ]]; then + check="--is-x86-linux32" + elif [[ "${GRUB_PLATFORM}" == "i386-xen-pae" ]]; then + check="--is-i386-xen-pae-domu" + elif [[ "${GRUB_PLATFORM}" == "x86_64-xen" ]]; then + check="--is-x86_64-xen-domu" + else + check="--is-${GRUB_PLATFORM}-linux" + fi + + case "${GRUB_PLATFORM}" in + x86) + list="$(for i in "${GRUB_ROOT}"/boot/vmlinuz-linux* ; do + if grub_file_is_not_garbage "${i}" && "${grub_file}" ${check} "${i}" ; then echo -n "${i} " ; fi + done)" ;; + *) + list="$(for i in "${GRUB_ROOT}"/boot/vmlinuz-linux* ; do + if grub_file_is_not_garbage "${i}" && "${grub_file}" ${check} "${i}" ; then echo -n "${i} " ; fi + done)" ;; + esac +} -if [ -f /usr/share/grub/grub-mkconfig_lib ]; then - . /usr/share/grub/grub-mkconfig_lib -else - # no grub file, so we notify and exit gracefully - echo "Cannot find grub config file, exiting." >&2 - exit 0 -fi +set -e -XEN_HYPERVISOR_CMDLINE="xsave=1" -XEN_LINUX_CMDLINE="console=tty0" -[ -r /etc/xen/grub.conf ] && . /etc/xen/grub.conf +prefix="/usr" +exec_prefix="${prefix}" +datarootdir="/usr/share" +datadir="${datarootdir}" +sysconfdir="/etc" -CLASS="--class gnu-linux --class gnu --class os" +. "${datarootdir}/grub/grub-mkconfig_lib" -if [ "x${GRUB_DISTRIBUTOR}" = "x" ] ; then - OS=GNU/Linux -else - if [ "${GRUB_DISTRIBUTOR}" = "Parabola" ] ; then - OS="${GRUB_DISTRIBUTOR} GNU/Linux-libre" - elif [ "${GRUB_DISTRIBUTOR}" = "parabola" ] ; then - OS="${GRUB_DISTRIBUTOR} GNU/Linux-libre" - elif [ "${GRUB_DISTRIBUTOR}" = "Blag" ] ; then - OS="${GRUB_DISTRIBUTOR} Linux and GNU" - elif [ "${GRUB_DISTRIBUTOR}" = "blag" ] ; then - OS="${GRUB_DISTRIBUTOR} Linux and GNU" - elif [ "${GRUB_DISTRIBUTOR}" = "Musix" ] ; then - OS="${GRUB_DISTRIBUTOR} GNU+Linux" - elif [ "${GRUB_DISTRIBUTOR}" = "musix" ] ; then - OS="${GRUB_DISTRIBUTOR} GNU+Linux" - elif [ "${GRUB_DISTRIBUTOR}" = "Dragora" ] ; then - OS="${GRUB_DISTRIBUTOR} GNU/Linux-libre" - elif [ "${GRUB_DISTRIBUTOR}" = "dragora" ] ; then - OS="${GRUB_DISTRIBUTOR} GNU/Linux-libre" - else - OS="${GRUB_DISTRIBUTOR} GNU/Linux" - fi - CLASS="--class $(echo ${GRUB_DISTRIBUTOR} | tr '[A-Z]' '[a-z]' | cut -d' ' -f1) ${CLASS}" +. "${sysconfdir}/default/grub" + +export XEN_HYPERVISOR_CMDLINE="xsave=1" +export XEN_LINUX_CMDLINE="console=tty0" + +[[ -r "${sysconfdir}/xen/grub.conf" ]] && . "${sysconfdir}/xen/grub.conf" + +[[ -z "${XEN_LINUX_CMDLINE_OVERRIDE}" ]] && XEN_LINUX_CMDLINE_OVERRIDE="0" + +export TEXTDOMAIN="grub" +export TEXTDOMAINDIR="${datarootdir}/locale" + +CLASS="--class xen --class parabola --class gnu-linux --class gnu --class os" + +[[ "${grub_file}" != "" ]] && _FUNC_GRUB_FILE_PRESENT + +BOOT_PART_FS_UUID="$(${grub_probe} --target="fs_uuid" "/boot" 2>/dev/null)" +BOOT_PART_HINTS_STRING="$(${grub_probe} --target="hints_string" "/boot" 2>/dev/null || true)" +BOOT_PART_FS="$(${grub_probe} --target="fs" "/boot" 2>/dev/null)" + +ROOT_PART_GRUB_DEVICE="$(${grub_probe} --target=device / || true)" +ROOT_PART_FS="$(${grub_probe} --device ${ROOT_PART_GRUB_DEVICE} --target=fs 2> /dev/null || echo "unknown")" + +if [[ "${GRUB_LINUX_ROOT_DEVICE}" == "" ]]; then + + case "${ROOT_PART_FS}" in + btrfs) + rootsubvol="$(make_system_path_relative_to_its_root /)" + rootsubvol="${rootsubvol#/}" + if [[ "${rootsubvol}" != "" ]]; then + GRUB_LINUX_ROOT_DEVICE="subvol=${rootsubvol}" + fi + ;; + zfs) + rpool="$(${grub_probe} --device ${GRUB_DEVICE} --target=fs_label 2>/dev/null || true)" + bootfs="$(make_system_path_relative_to_its_root / | sed -e "s,@$,,")" + GRUB_LINUX_ROOT_DEVICE="ZFS=${rpool}${bootfs}" + ;; + esac + + if [[ "${GRUB_DEVICE_UUID}" == "" ]] || \ + [[ "${GRUB_DISABLE_LINUX_UUID}" == "true" ]] || \ + [[ ! -e "/dev/disk/by-uuid/${GRUB_DEVICE_UUID}" ]] || \ + uses_abstraction "${GRUB_DEVICE}" lvm ; then + GRUB_LINUX_ROOT_DEVICE="${GRUB_DEVICE}" + else + GRUB_LINUX_ROOT_DEVICE="UUID=${GRUB_DEVICE_UUID}" + fi 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 - -if [ "x${GRUB_DEVICE_UUID}" = "x" ] || [ "x${GRUB_DISABLE_LINUX_UUID}" = "xtrue" ] \ - || ! test -e "/dev/disk/by-uuid/${GRUB_DEVICE_UUID}" \ - || [ "`grub-probe -t abstraction --device ${GRUB_DEVICE} | sed -e 's,.*\(lvm\).*,\1,'`" = "lvm" ] ; then - LINUX_ROOT_DEVICE=${GRUB_DEVICE} +[[ "${GRUB_LINUX_PARAMS}" == "" ]] && GRUB_LINUX_PARAMS="${GRUB_CMDLINE_LINUX} ${GRUB_CMDLINE_LINUX_DEFAULT}" +if [[ "${XEN_LINUX_CMDLINE_OVERRIDE}" == "0" ]]; then + GRUB_LINUX_PARAMS="${GRUB_LINUX_PARAMS} ${XEN_LINUX_CMDLINE}" else - LINUX_ROOT_DEVICE=UUID=${GRUB_DEVICE_UUID} + GRUB_LINUX_PARAMS="${XEN_LINUX_CMDLINE}" fi -xen_entry () -{ - os="$1" - xen_version="$2" - version="$3" - xen_args="$4" - args="$5" - printf "menuentry 'Xen %s / %s, with Linux %s' --class xen ${CLASS} {\n" "${xen_version}" "${os}" "${version}" - save_default_entry | sed -e "s/^/\t/" - - if [ -z "${prepare_boot_cache}" ]; then - prepare_boot_cache="$(prepare_grub_to_access_device ${GRUB_DEVICE_BOOT} | sed -e "s/^/\t/")" - fi - printf '%s\n' "${prepare_boot_cache}" - cat << EOF - echo '$(printf "Loading Xen %s ..." ${xen_version})' - multiboot ${rel_dirname}/${xen_basename} ${rel_dirname}/${xen_basename} ${xen_args} - echo $(printf "$(gettext "Loading Linux %s ...")" ${version}) - module ${rel_dirname}/${basename} ${rel_dirname}/${basename} root=${linux_root_device_thisversion} rw ${args} -EOF - if test -n "${initrd}" ; then - cat << EOF - echo "Loading initial ramdisk ..." - module ${rel_dirname}/${initrd} -EOF - fi - cat << EOF -} -EOF -} - xen_list=`for i in /boot/xen-*.gz /xen-*.gz ; do if grub_file_is_not_garbage "$i" ; then echo -n "$i "; fi done` -prepare_boot_cache= while [ "x$xen_list" != "x" ] ; do xen=`version_find_latest $xen_list` echo "Found Xen hypervisor image: $xen" >&2 - xen_basename=`basename $xen` - xen_dirname=`dirname $xen` - rel_xen_dirname=`make_system_path_relative_to_its_root $xen_dirname` - xen_version=`echo $xen_basename | sed -e "s,^[^0-9]*-,,g" | sed -e "s,.gz,,g"` - alt_xen_version=`echo $xen_version | sed -e "s,\.old$,,g"` + XEN_BASENAME=`basename $xen` + XEN_VERSION=`echo $XEN_BASENAME | sed -e "s,^[^0-9]*-,,g" | sed -e "s,.gz,,g"` + + for _KERNEL_ in ${list} ; do + + echo "Found linux image: ${_KERNEL_}" >&2 + + basename="$(basename "${_KERNEL_}")" + dirname="$(dirname "${_KERNEL_}")" + REAL_DIR="$(make_system_path_relative_to_its_root "${dirname}")" + + _KERNEL_FILE_="$(echo ${_KERNEL_} | sed 's,/boot/,,g')" + _KERNEL_PKG_="pkg-$(echo ${_KERNEL_FILE_} | sed 's,vmlinuz-,,g')" + + _INITRAMFS_="${_KERNEL_FILE_/vmlinuz-/initramfs-}.img" + + if [[ -e "/boot/${_INITRAMFS_}" ]]; then + + echo "Found initramfs image: /boot/${_INITRAMFS_}" >&2 + + cat << EOF + +menuentry "Xen ${XEN_VERSION} / Parabola GNU/Linux-libre ${_KERNEL_PKG_} kernel" ${CLASS} { + $(save_default_entry) + if [ x\$feature_all_video_module = xy ]; then + insmod all_video + fi + set gfxpayload=keep + insmod ${BOOT_PART_FS} + if [ x\$feature_platform_search_hint = xy ]; then + search --no-floppy --fs-uuid --set=root ${BOOT_PART_HINTS_STRING} ${BOOT_PART_FS_UUID} + else + search --no-floppy --fs-uuid --set=root ${BOOT_PART_FS_UUID} + fi + echo '$(printf "Loading Xen %s ..." ${XEN_VERSION})' + multiboot ${REAL_DIR}/${XEN_BASENAME} ${REAL_DIR}/${XEN_BASENAME} ${XEN_HYPERVISOR_CMDLINE} + echo 'Loading Parabola GNU/Linux-libre ${_KERNEL_PKG_} kernel ...' + module ${REAL_DIR}/${_KERNEL_FILE_} ${REAL_DIR}/${_KERNEL_FILE_} root=${GRUB_LINUX_ROOT_DEVICE} rw ${GRUB_LINUX_PARAMS} + echo 'Loading Parabola GNU/Linux-libre ${_KERNEL_PKG_} kernel initramfs ...' + module ${REAL_DIR}/${_INITRAMFS_} +} - list=`for i in /boot/vmlinuz-* /vmlinuz-*; do - if grub_file_is_not_garbage "$i" ; then echo -n "$i "; fi - done` - - while [ "x$list" != "x" ] ; do - linux=`version_find_latest $list` - echo -e "\tFound linux image: $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"` - base_init=`echo $basename | sed -e "s,vmlinuz,initramfs,g"` - alt_version="${base_init}-fallback" - linux_root_device_thisversion="${LINUX_ROOT_DEVICE}" - initrd= - - for i in "${base_init}.img"; do - if test -e "${dirname}/${i}" ; then - initrd="$i" - break - fi - done - if test -n "${initrd}" ; then - echo -e "\tFound initrd image: ${dirname}/${initrd}" >&2 - else - # "UUID=" magic is parsed by initrds. Since there's no initrd, it can't work here. - linux_root_device_thisversion=${GRUB_DEVICE} +EOF fi + + _INITRAMFS_FALLBACK_="${_KERNEL_FILE_/vmlinuz-/initramfs-}-fallback.img" + + if [[ -e "/boot/${_INITRAMFS_FALLBACK_}" ]]; then + + echo "Found fallback initramfs image: /boot/${_INITRAMFS_FALLBACK_}" >&2 + + cat << EOF + +menuentry "Xen ${XEN_VERSION} / Parabola GNU/Linux-libre ${_KERNEL_PKG_} kernel (fallback initramfs)" ${CLASS} { + $(save_default_entry) + if [ x\$feature_all_video_module = xy ]; then + insmod all_video + fi + set gfxpayload=keep + insmod ${BOOT_PART_FS} + if [ x\$feature_platform_search_hint = xy ]; then + search --no-floppy --fs-uuid --set=root ${BOOT_PART_HINTS_STRING} ${BOOT_PART_FS_UUID} + else + search --no-floppy --fs-uuid --set=root ${BOOT_PART_FS_UUID} + fi + echo '$(printf "Loading Xen %s ..." ${XEN_VERSION})' + multiboot ${REAL_DIR}/${XEN_BASENAME} ${REAL_DIR}/${XEN_BASENAME} ${XEN_HYPERVISOR_CMDLINE} + echo 'Loading Parabola GNU/Linux-libre ${_KERNEL_PKG_} kernel ...' + module ${REAL_DIR}/${_KERNEL_FILE_} ${REAL_DIR}/${_KERNEL_FILE_} root=${GRUB_LINUX_ROOT_DEVICE} rw ${GRUB_LINUX_PARAMS} + echo 'Loading Parabola GNU/Linux-libre ${_KERNEL_PKG_} kernel fallback initramfs ...' + module ${REAL_DIR}/${_INITRAMFS_FALLBACK_} +} - xen_entry "${OS}" "${xen_version}" "${version}" \ - "${XEN_HYPERVISOR_CMDLINE}" \ - "${XEN_LINUX_CMDLINE}" +EOF + fi + + if [[ ! -e "/boot/${_INITRAMFS_}" ]] && [[ ! -e "/boot/${_INITRAMFS_FALLBACK_}" ]]; then + cat << EOF + +menuentry "Xen ${XEN_VERSION} / Parabola GNU/Linux-libre ${_KERNEL_PKG_} kernel (no initramfs)" ${CLASS} { + $(save_default_entry) + if [ x\$feature_all_video_module = xy ]; then + insmod all_video + fi + set gfxpayload=keep + insmod ${BOOT_PART_FS} + if [ x\$feature_platform_search_hint = xy ]; then + search --no-floppy --fs-uuid --set=root ${BOOT_PART_HINTS_STRING} ${BOOT_PART_FS_UUID} + else + search --no-floppy --fs-uuid --set=root ${BOOT_PART_FS_UUID} + fi + echo '$(printf "Loading Xen %s ..." ${XEN_VERSION})' + multiboot ${REAL_DIR}/${XEN_BASENAME} ${REAL_DIR}/${XEN_BASENAME} ${XEN_HYPERVISOR_CMDLINE} + echo 'Loading Parabola GNU/Linux-libre ${_KERNEL_PKG_} kernel ...' + module ${REAL_DIR}/${_KERNEL_FILE_} ${REAL_DIR}/${_KERNEL_FILE_} root=${GRUB_LINUX_ROOT_DEVICE} rw ${GRUB_LINUX_PARAMS} +} - list=`echo $list | tr ' ' '\n' | grep -vx $linux | tr '\n' ' '` +EOF + fi + done xen_list=`echo $xen_list | tr ' ' '\n' | grep -vx $xen | tr '\n' ' '` done + |