4 # grub-mkconfig helper script.
5 # Copyright (C) 2006,2007,2008,2009,2010 Free Software Foundation, Inc.
7 # GRUB is free software: you can redistribute it and/or modify
8 # it under the terms of the GNU General Public License as published by
9 # the Free Software Foundation, either version 3 of the License, or
10 # (at your option) any later version.
12 # GRUB is distributed in the hope that it will be useful,
13 # but WITHOUT ANY WARRANTY; without even the implied warranty of
14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 # GNU General Public License for more details.
17 # You should have received a copy of the GNU General Public License
18 # along with GRUB. If not, see <http://www.gnu.org/licenses/>.
22 datarootdir="/usr/share"
26 gfxpayload_dynamic="1"
27 # 2019-02-14: fred moved vt_handoff from 1 to 0 to try to address sleep freezes
28 # 2021-01-05: this seems to help a lot, but doesn't totally eliminate the freezes.
31 . "$pkgdatadir/grub-mkconfig_lib"
33 export TEXTDOMAIN=grub
34 export TEXTDOMAINDIR="${datarootdir}/locale"
36 CLASS="--class gnu-linux --class gnu --class os"
37 SUPPORTED_INITS="sysvinit:/lib/sysvinit/init systemd:/lib/systemd/systemd upstart:/sbin/upstart"
39 if [ "x${GRUB_DISTRIBUTOR}" = "x" ] ; then
42 case ${GRUB_DISTRIBUTOR} in
44 OS="${GRUB_DISTRIBUTOR}"
47 OS="${GRUB_DISTRIBUTOR} GNU/Linux"
50 CLASS="--class $(echo ${GRUB_DISTRIBUTOR} | tr 'A-Z' 'a-z' | cut -d' ' -f1|LC_ALL=C sed 's,[^[:alnum:]_],_,g') ${CLASS}"
53 # loop-AES arranges things so that /dev/loop/X can be our root device, but
54 # the initrds that Linux uses don't like that.
55 case ${GRUB_DEVICE} in
56 /dev/loop/*|/dev/loop[0-9])
57 GRUB_DEVICE=`losetup ${GRUB_DEVICE} | sed -e "s/^[^(]*(\([^)]\+\)).*/\1/"`
58 # We can't cope with devices loop-mounted from files here.
59 case ${GRUB_DEVICE} in
66 # btrfs may reside on multiple devices. We cannot pass them as value of root= parameter
67 # and mounting btrfs requires user space scanning, so force UUID in this case.
68 if [ "x${GRUB_DEVICE_UUID}" = "x" ] || [ "x${GRUB_DISABLE_LINUX_UUID}" = "xtrue" ] \
69 || ! test -e "/dev/disk/by-uuid/${GRUB_DEVICE_UUID}" \
70 || ( test -e "${GRUB_DEVICE}" && uses_abstraction "${GRUB_DEVICE}" lvm ); then
71 LINUX_ROOT_DEVICE=${GRUB_DEVICE}
73 LINUX_ROOT_DEVICE=UUID=${GRUB_DEVICE_UUID}
78 rootsubvol="`make_system_path_relative_to_its_root /`"
79 rootsubvol="${rootsubvol#/}"
80 if [ "x${rootsubvol}" != x ]; then
81 GRUB_CMDLINE_LINUX="rootflags=subvol=${rootsubvol} ${GRUB_CMDLINE_LINUX}"
84 rpool=`${grub_probe} --device ${GRUB_DEVICE} --target=fs_label 2>/dev/null || true`
85 bootfs="`make_system_path_relative_to_its_root / | sed -e "s,@$,,"`"
86 LINUX_ROOT_DEVICE="ZFS=${rpool}${bootfs}"
90 title_correction_code=
92 if [ -x /lib/recovery-mode/recovery-menu ]; then
93 GRUB_CMDLINE_LINUX_RECOVERY=recovery
95 GRUB_CMDLINE_LINUX_RECOVERY=single
97 if [ "$ubuntu_recovery" = 1 ]; then
98 GRUB_CMDLINE_LINUX_RECOVERY="$GRUB_CMDLINE_LINUX_RECOVERY nomodeset"
101 if [ "$vt_handoff" = 1 ]; then
102 for word in $GRUB_CMDLINE_LINUX_DEFAULT; do
103 if [ "$word" = splash ]; then
104 GRUB_CMDLINE_LINUX_DEFAULT="$GRUB_CMDLINE_LINUX_DEFAULT \$vt_handoff"
116 if [ -z "$boot_device_id" ]; then
117 boot_device_id="$(grub_get_device_id "${GRUB_DEVICE}")"
119 if [ x$type != xsimple ] ; then
122 title="$(gettext_printf "%s, with Linux %s (%s)" "${os}" "${version}" "$(gettext "${GRUB_RECOVERY_TITLE}")")" ;;
124 title="$(gettext_printf "%s, with Linux %s (%s)" "${os}" "${version}" "${type#init-}")" ;;
126 title="$(gettext_printf "%s, with Linux %s" "${os}" "${version}")" ;;
128 if [ x"$title" = x"$GRUB_ACTUAL_DEFAULT" ] || [ x"Previous Linux versions>$title" = x"$GRUB_ACTUAL_DEFAULT" ]; then
129 replacement_title="$(echo "Advanced options for ${OS}" | sed 's,>,>>,g')>$(echo "$title" | sed 's,>,>>,g')"
130 quoted="$(echo "$GRUB_ACTUAL_DEFAULT" | grub_quote)"
131 title_correction_code="${title_correction_code}if [ \"x\$default\" = '$quoted' ]; then default='$(echo "$replacement_title" | grub_quote)'; fi;"
132 grub_warn "$(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")"
134 echo "menuentry '$(echo "$title" | grub_quote)' ${CLASS} \$menuentry_id_option 'gnulinux-$version-$type-$boot_device_id' {" | sed "s/^/$submenu_indentation/"
136 echo "menuentry '$(echo "$os" | grub_quote)' ${CLASS} \$menuentry_id_option 'gnulinux-simple-$boot_device_id' {" | sed "s/^/$submenu_indentation/"
138 if [ "$quick_boot" = 1 ]; then
139 echo " recordfail" | sed "s/^/$submenu_indentation/"
141 if [ x$type != xrecovery ] ; then
142 save_default_entry | grub_add_tab
145 # Use ELILO's generic "efifb" when it's known to be available.
146 # FIXME: We need an interface to select vesafb in case efifb can't be used.
147 if [ "x$GRUB_GFXPAYLOAD_LINUX" = x ]; then
148 echo " load_video" | sed "s/^/$submenu_indentation/"
150 if [ "x$GRUB_GFXPAYLOAD_LINUX" != xtext ]; then
151 echo " load_video" | sed "s/^/$submenu_indentation/"
154 if ([ "$ubuntu_recovery" = 0 ] || [ x$type != xrecovery ]) && \
155 ([ "x$GRUB_GFXPAYLOAD_LINUX" != x ] || [ "$gfxpayload_dynamic" = 1 ]); then
156 echo " gfxmode \$linux_gfx_mode" | sed "s/^/$submenu_indentation/"
159 echo " insmod gzio" | sed "s/^/$submenu_indentation/"
160 echo " if [ x\$grub_platform = xxen ]; then insmod xzio; insmod lzopio; fi" | sed "s/^/$submenu_indentation/"
162 if [ x$dirname = x/ ]; then
163 if [ -z "${prepare_root_cache}" ]; then
164 prepare_root_cache="$(prepare_grub_to_access_device ${GRUB_DEVICE} | grub_add_tab)"
166 printf '%s\n' "${prepare_root_cache}" | sed "s/^/$submenu_indentation/"
168 if [ -z "${prepare_boot_cache}" ]; then
169 prepare_boot_cache="$(prepare_grub_to_access_device ${GRUB_DEVICE_BOOT} | grub_add_tab)"
171 printf '%s\n' "${prepare_boot_cache}" | sed "s/^/$submenu_indentation/"
173 if [ x"$quiet_boot" = x0 ] || [ x"$type" != xsimple ]; then
174 message="$(gettext_printf "Loading Linux %s ..." ${version})"
175 sed "s/^/$submenu_indentation/" << EOF
176 echo '$(echo "$message" | grub_quote)'
179 if test -d /sys/firmware/efi && test -e "${linux}.efi.signed"; then
180 sed "s/^/$submenu_indentation/" << EOF
181 linux ${rel_dirname}/${basename}.efi.signed root=${linux_root_device_thisversion} ro ${args}
184 if [ x"$GRUB_FORCE_PARTUUID" = x ]; then
185 sed "s/^/$submenu_indentation/" << EOF
186 linux ${rel_dirname}/${basename} root=${linux_root_device_thisversion} ro ${args}
189 sed "s/^/$submenu_indentation/" << EOF
190 linux ${rel_dirname}/${basename} root=PARTUUID=${GRUB_FORCE_PARTUUID} ro ${args}
194 if test -n "${initrd}" && [ x"$GRUB_DISABLE_INITRD" != xtrue ]; then
195 # TRANSLATORS: ramdisk isn't identifier. Should be translated.
196 if [ x"$quiet_boot" = x0 ] || [ x"$type" != xsimple ]; then
197 message="$(gettext_printf "Loading initial ramdisk ...")"
198 sed "s/^/$submenu_indentation/" << EOF
199 echo '$(echo "$message" | grub_quote)'
202 sed "s/^/$submenu_indentation/" << EOF
203 initrd ${rel_dirname}/${initrd}
206 sed "s/^/$submenu_indentation/" << EOF
215 for i in /boot/vmlinuz-* /vmlinuz-* /boot/kernel-* ; do
216 if grub_file_is_not_garbage "$i" ; then list="$list $i" ; fi
220 for i in /boot/vmlinuz-* /boot/vmlinux-* /vmlinuz-* /vmlinux-* /boot/kernel-* ; do
221 if grub_file_is_not_garbage "$i" ; then list="$list $i" ; fi
226 i?86) GENKERNEL_ARCH="x86" ;;
227 mips|mips64) GENKERNEL_ARCH="mips" ;;
228 mipsel|mips64el) GENKERNEL_ARCH="mipsel" ;;
229 arm*) GENKERNEL_ARCH="arm" ;;
230 *) GENKERNEL_ARCH="$machine" ;;
236 title_correction_code=
240 set gfxpayload="${1}"
242 if [ "$vt_handoff" = 1 ]; then
244 if [ "${1}" = "keep" ]; then
245 set vt_handoff=vt.handoff=1
255 # Use ELILO's generic "efifb" when it's known to be available.
256 # FIXME: We need an interface to select vesafb in case efifb can't be used.
257 if [ "x$GRUB_GFXPAYLOAD_LINUX" != x ] || [ "$gfxpayload_dynamic" = 0 ]; then
258 echo "set linux_gfx_mode=$GRUB_GFXPAYLOAD_LINUX"
261 if [ "\${recordfail}" != 1 ]; then
262 if [ -e \${prefix}/gfxblacklist.txt ]; then
263 if hwmatch \${prefix}/gfxblacklist.txt 3; then
264 if [ \${match} = 0 ]; then
265 set linux_gfx_mode=keep
267 set linux_gfx_mode=text
270 set linux_gfx_mode=text
273 set linux_gfx_mode=keep
276 set linux_gfx_mode=text
281 export linux_gfx_mode
284 # Extra indentation to add to menu entries in a submenu. We're not in a submenu
285 # yet, so it's empty. In a submenu it will be equal to '\t' (one tab).
286 submenu_indentation=""
289 while [ "x$list" != "x" ] ; do
290 linux=`version_find_latest $list`
293 # We handle these in linux_entry.
294 list=`echo $list | tr ' ' '\n' | grep -vx $linux | tr '\n' ' '`
298 gettext_printf "Found linux image: %s\n" "$linux" >&2
299 basename=`basename $linux`
300 dirname=`dirname $linux`
301 rel_dirname=`make_system_path_relative_to_its_root $dirname`
302 version=`echo $basename | sed -e "s,^[^0-9]*-,,g"`
303 alt_version=`echo $version | sed -e "s,\.old$,,g"`
304 linux_root_device_thisversion="${LINUX_ROOT_DEVICE}"
307 for i in "initrd.img-${version}" "initrd-${version}.img" "initrd-${version}.gz" \
308 "initrd-${version}" "initramfs-${version}.img" \
309 "initrd.img-${alt_version}" "initrd-${alt_version}.img" \
310 "initrd-${alt_version}" "initramfs-${alt_version}.img" \
311 "initramfs-genkernel-${version}" \
312 "initramfs-genkernel-${alt_version}" \
313 "initramfs-genkernel-${GENKERNEL_ARCH}-${version}" \
314 "initramfs-genkernel-${GENKERNEL_ARCH}-${alt_version}"; do
315 if test -e "${dirname}/${i}" ; then
322 for i in "${dirname}/config-${version}" "${dirname}/config-${alt_version}" "/etc/kernels/kernel-config-${version}" ; do
323 if test -e "${i}" ; then
330 if test -n "${config}" ; then
331 initramfs=`grep CONFIG_INITRAMFS_SOURCE= "${config}" | cut -f2 -d= | tr -d \"`
334 if test -n "${initrd}" ; then
335 gettext_printf "Found initrd image: %s\n" "${dirname}/${initrd}" >&2
336 elif test -z "${initramfs}" ; then
337 # "UUID=" and "ZFS=" magic is parsed by initrd or initramfs. Since there's
338 # no initrd or builtin initramfs, it can't work here.
339 linux_root_device_thisversion=${GRUB_DEVICE}
342 if [ "x$is_top_level" = xtrue ] && [ "x${GRUB_DISABLE_SUBMENU}" != xy ]; then
343 linux_entry "${OS}" "${version}" simple \
344 "${GRUB_CMDLINE_LINUX} ${GRUB_CMDLINE_LINUX_DEFAULT}"
346 submenu_indentation="$grub_tab"
348 if [ -z "$boot_device_id" ]; then
349 boot_device_id="$(grub_get_device_id "${GRUB_DEVICE}")"
351 # TRANSLATORS: %s is replaced with an OS name
352 echo "submenu '$(gettext_printf "Advanced options for %s" "${OS}" | grub_quote)' \$menuentry_id_option 'gnulinux-advanced-$boot_device_id' {"
356 linux_entry "${OS}" "${version}" advanced \
357 "${GRUB_CMDLINE_LINUX} ${GRUB_CMDLINE_LINUX_DEFAULT}"
358 for supported_init in ${SUPPORTED_INITS}; do
359 init_path="${supported_init#*:}"
360 if [ -x "${init_path}" ] && [ "$(readlink -f /sbin/init)" != "$(readlink -f "${init_path}")" ]; then
361 linux_entry "${OS}" "${version}" "init-${supported_init%%:*}" \
362 "${GRUB_CMDLINE_LINUX} ${GRUB_CMDLINE_LINUX_DEFAULT} init=${init_path}"
365 if [ "x${GRUB_DISABLE_RECOVERY}" != "xtrue" ]; then
366 linux_entry "${OS}" "${version}" recovery \
367 "${GRUB_CMDLINE_LINUX_RECOVERY} ${GRUB_CMDLINE_LINUX}"
370 list=`echo $list | tr ' ' '\n' | fgrep -vx "$linux" | tr '\n' ' '`
373 # If at least one kernel was found, then we need to
374 # add a closing '}' for the submenu command.
375 if [ x"$is_top_level" != xtrue ]; then
379 echo "$title_correction_code"