diff options
Diffstat (limited to 'util/grub.d/10_linux.in')
| -rw-r--r-- | util/grub.d/10_linux.in | 199 |
1 files changed, 199 insertions, 0 deletions
diff --git a/util/grub.d/10_linux.in b/util/grub.d/10_linux.in new file mode 100644 index 0000000..1d1eb40 --- /dev/null +++ b/util/grub.d/10_linux.in @@ -0,0 +1,199 @@ +#! /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@ +bindir=@bindir@ +libdir=@libdir@ +. ${libdir}/grub/grub-mkconfig_lib + +export TEXTDOMAIN=@PACKAGE@ +export TEXTDOMAINDIR=@localedir@ + +CLASS="--class gnu-linux --class gnu --class os" + +if [ "x${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) ${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 + +if [ "x${GRUB_DEVICE_UUID}" = "x" ] || [ "x${GRUB_DISABLE_LINUX_UUID}" = "xtrue" ] \ + || ! test -e "/dev/disk/by-uuid/${GRUB_DEVICE_UUID}" \ + || uses_abstraction "${GRUB_DEVICE}" lvm; then + LINUX_ROOT_DEVICE=${GRUB_DEVICE} +else + LINUX_ROOT_DEVICE=UUID=${GRUB_DEVICE_UUID} +fi + +if [ "x`${grub_probe} --device ${GRUB_DEVICE} --target=fs 2>/dev/null || true`" = xbtrfs ]; then + rootsubvol="`make_system_path_relative_to_its_root /`" + rootsubvol="${rootsubvol#/}" + if [ "x${rootsubvol}" != x ]; then + GRUB_CMDLINE_LINUX="rootflags=subvol=${rootsubvol} ${GRUB_CMDLINE_LINUX}" + fi +fi + +linux_entry () +{ + os="$1" + version="$2" + recovery="$3" + args="$4" + if ${recovery} ; then + title="$(gettext_quoted "%s, with Linux %s (recovery mode)")" + else + title="$(gettext_quoted "%s, with Linux %s")" + fi + printf "menuentry '${title}' ${CLASS} {\n" "${os}" "${version}" + if ! ${recovery} ; then + save_default_entry | sed -e "s/^/\t/" + fi + + # Use ELILO's generic "efifb" when it's known to be available. + # FIXME: We need an interface to select vesafb in case efifb can't be used. + if [ "x$GRUB_GFXPAYLOAD_LINUX" = x ]; then + cat << EOF + load_video +EOF + if grep -qx "CONFIG_FB_EFI=y" "${config}" 2> /dev/null \ + && grep -qx "CONFIG_VT_HW_CONSOLE_BINDING=y" "${config}" 2> /dev/null; then + cat << EOF + set gfxpayload=keep +EOF + fi + else + if [ "x$GRUB_GFXPAYLOAD_LINUX" != xtext ]; then + cat << EOF + load_video +EOF + fi + cat << EOF + set gfxpayload=$GRUB_GFXPAYLOAD_LINUX +EOF + fi + + cat << EOF + insmod gzio +EOF + + if [ x$dirname = x/ ]; then + if [ -z "${prepare_root_cache}" ]; then + prepare_root_cache="$(prepare_grub_to_access_device ${GRUB_DEVICE} | sed -e "s/^/\t/")" + fi + printf '%s\n' "${prepare_root_cache}" + else + 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}" + fi + message="$(gettext_printf "Loading Linux %s ..." ${version})" + cat << EOF + echo '$message' + linux ${rel_dirname}/${basename} root=${linux_root_device_thisversion} ro ${args} +EOF + if test -n "${initrd}" ; then + message="$(gettext_printf "Loading initial ramdisk ...")" + cat << EOF + echo '$message' + initrd ${rel_dirname}/${initrd} +EOF + fi + cat << EOF +} +EOF +} + +case x`uname -m` in + xi?86 | xx86_64) + list=`for i in /boot/vmlinuz-* /vmlinuz-* /boot/kernel-* ; do + if grub_file_is_not_garbage "$i" ; then echo -n "$i " ; fi + done` ;; + *) + list=`for i in /boot/vmlinuz-* /boot/vmlinux-* /vmlinuz-* /vmlinux-* /boot/kernel-* ; do + if grub_file_is_not_garbage "$i" ; then echo -n "$i " ; fi + done` ;; +esac + +prepare_boot_cache= +prepare_root_cache= + +while [ "x$list" != "x" ] ; do + linux=`version_find_latest $list` + echo "Found 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"` + alt_version=`echo $version | sed -e "s,\.old$,,g"` + linux_root_device_thisversion="${LINUX_ROOT_DEVICE}" + + initrd= + for i in "initrd.img-${version}" "initrd-${version}.img" \ + "initrd-${version}" "initramfs-${version}.img" \ + "initrd.img-${alt_version}" "initrd-${alt_version}.img" \ + "initrd-${alt_version}" "initramfs-${alt_version}.img" \ + "initramfs-genkernel-${version}" \ + "initramfs-genkernel-${alt_version}"; do + if test -e "${dirname}/${i}" ; then + initrd="$i" + break + fi + done + + config= + for i in "${dirname}/config-${version}" "${dirname}/config-${alt_version}" "/etc/kernels/kernel-config-${version}" ; do + if test -e "${i}" ; then + config="${i}" + break + fi + done + + initramfs= + if test -n "${config}" ; then + initramfs=`grep CONFIG_INITRAMFS_SOURCE= "${config}" | cut -f2 -d= | tr -d \"` + fi + + if test -n "${initrd}" ; then + echo "Found initrd image: ${dirname}/${initrd}" >&2 + elif test -z "${initramfs}" ; then + # "UUID=" magic is parsed by initrd or initramfs. Since there's + # no initrd or builtin initramfs, it can't work here. + linux_root_device_thisversion=${GRUB_DEVICE} + fi + + linux_entry "${OS}" "${version}" false \ + "${GRUB_CMDLINE_LINUX} ${GRUB_CMDLINE_LINUX_DEFAULT}" + if [ "x${GRUB_DISABLE_RECOVERY}" != "xtrue" ]; then + linux_entry "${OS}" "${version}" true \ + "single ${GRUB_CMDLINE_LINUX}" + fi + + list=`echo $list | tr ' ' '\n' | grep -vx $linux | tr '\n' ' '` +done |