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/>.
21 exec_prefix="@exec_prefix@"
22 datarootdir="@datarootdir@"
24 . "$pkgdatadir/grub-mkconfig_lib"
26 export TEXTDOMAIN=@PACKAGE@
27 export TEXTDOMAINDIR="@localedir@"
29 CLASS="--class gnu-linux --class gnu --class os"
31 if [ "x${GRUB_DISTRIBUTOR}" = "x" ] ; then
34 OS="${GRUB_DISTRIBUTOR} GNU/Linux"
35 CLASS="--class $(echo ${GRUB_DISTRIBUTOR} | tr 'A-Z' 'a-z' | cut -d' ' -f1|LC_ALL=C sed 's,[^[:alnum:]_],_,g') ${CLASS}"
38 # loop-AES arranges things so that /dev/loop/X can be our root device, but
39 # the initrds that Linux uses don't like that.
40 case ${GRUB_DEVICE} in
41 /dev/loop/*|/dev/loop[0-9])
42 GRUB_DEVICE=`losetup ${GRUB_DEVICE} | sed -e "s/^[^(]*(\([^)]\+\)).*/\1/"`
46 # btrfs may reside on multiple devices. We cannot pass them as value of root= parameter
47 # and mounting btrfs requires user space scanning, so force UUID in this case.
48 if [ "x${GRUB_DEVICE_UUID}" = "x" ] || [ "x${GRUB_DISABLE_LINUX_UUID}" = "xtrue" ] \
49 || ! test -e "/dev/disk/by-uuid/${GRUB_DEVICE_UUID}" \
50 || ( test -e "${GRUB_DEVICE}" && uses_abstraction "${GRUB_DEVICE}" lvm ); then
51 LINUX_ROOT_DEVICE=${GRUB_DEVICE}
53 LINUX_ROOT_DEVICE=UUID=${GRUB_DEVICE_UUID}
58 rootsubvol="`make_system_path_relative_to_its_root /`"
59 rootsubvol="${rootsubvol#/}"
60 if [ "x${rootsubvol}" != x ]; then
61 GRUB_CMDLINE_LINUX="rootflags=subvol=${rootsubvol} ${GRUB_CMDLINE_LINUX}"
64 rpool=`${grub_probe} --device ${GRUB_DEVICE} --target=fs_label 2>/dev/null || true`
65 bootfs="`make_system_path_relative_to_its_root / | sed -e "s,@$,,"`"
66 LINUX_ROOT_DEVICE="ZFS=${rpool}${bootfs}"
70 title_correction_code=
79 if [ -z "$boot_device_id" ]; then
80 boot_device_id="$(grub_get_device_id "${GRUB_DEVICE}")"
82 if [ x$type != xsimple ] ; then
85 title="$(gettext_printf "%s, with Linux %s (recovery mode)" "${os}" "${version}")" ;;
87 title="$(gettext_printf "%s, with Linux %s" "${os}" "${version}")" ;;
89 if [ x"$title" = x"$GRUB_ACTUAL_DEFAULT" ] || [ x"Previous Linux versions>$title" = x"$GRUB_ACTUAL_DEFAULT" ]; then
90 replacement_title="$(echo "Advanced options for ${OS}" | sed 's,>,>>,g')>$(echo "$title" | sed 's,>,>>,g')"
91 quoted="$(echo "$GRUB_ACTUAL_DEFAULT" | grub_quote)"
92 title_correction_code="${title_correction_code}if [ \"x\$default\" = '$quoted' ]; then default='$(echo "$replacement_title" | grub_quote)'; fi;"
93 grub_warn "$(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")"
95 echo "menuentry '$(echo "$title" | grub_quote)' ${CLASS} \$menuentry_id_option 'gnulinux-$version-$type-$boot_device_id' {" | sed "s/^/$submenu_indentation/"
97 echo "menuentry '$(echo "$os" | grub_quote)' ${CLASS} \$menuentry_id_option 'gnulinux-simple-$boot_device_id' {" | sed "s/^/$submenu_indentation/"
99 if [ x$type != xrecovery ] ; then
100 save_default_entry | grub_add_tab
103 # Use ELILO's generic "efifb" when it's known to be available.
104 # FIXME: We need an interface to select vesafb in case efifb can't be used.
105 if [ "x$GRUB_GFXPAYLOAD_LINUX" = x ]; then
106 echo " load_video" | sed "s/^/$submenu_indentation/"
107 if grep -qx "CONFIG_FB_EFI=y" "${config}" 2> /dev/null \
108 && grep -qx "CONFIG_VT_HW_CONSOLE_BINDING=y" "${config}" 2> /dev/null; then
109 echo " set gfxpayload=keep" | sed "s/^/$submenu_indentation/"
112 if [ "x$GRUB_GFXPAYLOAD_LINUX" != xtext ]; then
113 echo " load_video" | sed "s/^/$submenu_indentation/"
115 echo " set gfxpayload=$GRUB_GFXPAYLOAD_LINUX" | sed "s/^/$submenu_indentation/"
118 echo " insmod gzio" | sed "s/^/$submenu_indentation/"
120 if [ x$dirname = x/ ]; then
121 if [ -z "${prepare_root_cache}" ]; then
122 prepare_root_cache="$(prepare_grub_to_access_device ${GRUB_DEVICE} | grub_add_tab)"
124 printf '%s\n' "${prepare_root_cache}" | sed "s/^/$submenu_indentation/"
126 if [ -z "${prepare_boot_cache}" ]; then
127 prepare_boot_cache="$(prepare_grub_to_access_device ${GRUB_DEVICE_BOOT} | grub_add_tab)"
129 printf '%s\n' "${prepare_boot_cache}" | sed "s/^/$submenu_indentation/"
131 message="$(gettext_printf "Loading Linux %s ..." ${version})"
132 sed "s/^/$submenu_indentation/" << EOF
133 echo '$(echo "$message" | grub_quote)'
134 linux ${rel_dirname}/${basename} root=${linux_root_device_thisversion} ro ${args}
136 if test -n "${initrd}" ; then
137 # TRANSLATORS: ramdisk isn't identifier. Should be translated.
138 message="$(gettext_printf "Loading initial ramdisk ...")"
139 sed "s/^/$submenu_indentation/" << EOF
140 echo '$(echo "$message" | grub_quote)'
141 initrd ${rel_dirname}/${initrd}
144 sed "s/^/$submenu_indentation/" << EOF
153 for i in /boot/vmlinuz-* /vmlinuz-* /boot/kernel-* ; do
154 if grub_file_is_not_garbage "$i" ; then list="$list $i" ; fi
158 for i in /boot/vmlinuz-* /boot/vmlinux-* /vmlinuz-* /vmlinux-* /boot/kernel-* ; do
159 if grub_file_is_not_garbage "$i" ; then list="$list $i" ; fi
164 i?86) GENKERNEL_ARCH="x86" ;;
165 mips|mips64) GENKERNEL_ARCH="mips" ;;
166 mipsel|mips64el) GENKERNEL_ARCH="mipsel" ;;
167 arm*) GENKERNEL_ARCH="arm" ;;
168 *) GENKERNEL_ARCH="$machine" ;;
174 title_correction_code=
176 # Extra indentation to add to menu entries in a submenu. We're not in a submenu
177 # yet, so it's empty. In a submenu it will be equal to '\t' (one tab).
178 submenu_indentation=""
181 while [ "x$list" != "x" ] ; do
182 linux=`version_find_latest $list`
183 gettext_printf "Found linux image: %s\n" "$linux" >&2
184 basename=`basename $linux`
185 dirname=`dirname $linux`
186 rel_dirname=`make_system_path_relative_to_its_root $dirname`
187 version=`echo $basename | sed -e "s,^[^0-9]*-,,g"`
188 alt_version=`echo $version | sed -e "s,\.old$,,g"`
189 linux_root_device_thisversion="${LINUX_ROOT_DEVICE}"
192 for i in "initrd.img-${version}" "initrd-${version}.img" "initrd-${version}.gz" \
193 "initrd-${version}" "initramfs-${version}.img" \
194 "initrd.img-${alt_version}" "initrd-${alt_version}.img" \
195 "initrd-${alt_version}" "initramfs-${alt_version}.img" \
196 "initramfs-genkernel-${version}" \
197 "initramfs-genkernel-${alt_version}" \
198 "initramfs-genkernel-${GENKERNEL_ARCH}-${version}" \
199 "initramfs-genkernel-${GENKERNEL_ARCH}-${alt_version}"; do
200 if test -e "${dirname}/${i}" ; then
207 for i in "${dirname}/config-${version}" "${dirname}/config-${alt_version}" "/etc/kernels/kernel-config-${version}" ; do
208 if test -e "${i}" ; then
215 if test -n "${config}" ; then
216 initramfs=`grep CONFIG_INITRAMFS_SOURCE= "${config}" | cut -f2 -d= | tr -d \"`
219 if test -n "${initrd}" ; then
220 gettext_printf "Found initrd image: %s\n" "${dirname}/${initrd}" >&2
221 elif test -z "${initramfs}" ; then
222 # "UUID=" and "ZFS=" magic is parsed by initrd or initramfs. Since there's
223 # no initrd or builtin initramfs, it can't work here.
224 linux_root_device_thisversion=${GRUB_DEVICE}
227 if [ "x$is_top_level" = xtrue ] && [ "x${GRUB_DISABLE_SUBMENU}" != xy ]; then
228 linux_entry "${OS}" "${version}" simple \
229 "${GRUB_CMDLINE_LINUX} ${GRUB_CMDLINE_LINUX_DEFAULT}"
231 submenu_indentation="$grub_tab"
233 if [ -z "$boot_device_id" ]; then
234 boot_device_id="$(grub_get_device_id "${GRUB_DEVICE}")"
236 # TRANSLATORS: %s is replaced with an OS name
237 echo "submenu '$(gettext_printf "Advanced options for %s" "${OS}" | grub_quote)' \$menuentry_id_option 'gnulinux-advanced-$boot_device_id' {"
241 linux_entry "${OS}" "${version}" advanced \
242 "${GRUB_CMDLINE_LINUX} ${GRUB_CMDLINE_LINUX_DEFAULT}"
243 if [ "x${GRUB_DISABLE_RECOVERY}" != "xtrue" ]; then
244 linux_entry "${OS}" "${version}" recovery \
245 "single ${GRUB_CMDLINE_LINUX}"
248 list=`echo $list | tr ' ' '\n' | fgrep -vx "$linux" | tr '\n' ' '`
251 # If at least one kernel was found, then we need to
252 # add a closing '}' for the submenu command.
253 if [ x"$is_top_level" != xtrue ]; then
257 echo "$title_correction_code"