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1#! /bin/sh
2set -e
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3
4# Make GRUB rescue image
8c411768 5# Copyright (C) 1999,2000,2001,2002,2003,2004,2005,2006,2007,2008,2009,2010 Free Software Foundation, Inc.
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6#
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.
11#
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.
16#
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/>.
19
20# Initialize some variables.
21transform="@program_transform_name@"
22
23prefix=@prefix@
24exec_prefix=@exec_prefix@
25bindir=@bindir@
26libdir=@libdir@
27PACKAGE_NAME=@PACKAGE_NAME@
28PACKAGE_TARNAME=@PACKAGE_TARNAME@
29PACKAGE_VERSION=@PACKAGE_VERSION@
8c411768 30pkglib_DATA="moddep.lst command.lst fs.lst partmap.lst parttool.lst handler.lst video.lst crypto.lst terminal.lst"
fc2208b0 31
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32self=`basename $0`
33
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34multiboot_dir="${libdir}/$(echo ${PACKAGE_TARNAME} | sed ${transform})/i386-multiboot"
35coreboot_dir="${libdir}/$(echo ${PACKAGE_TARNAME} | sed ${transform})/i386-coreboot"
36qemu_dir="${libdir}/$(echo ${PACKAGE_TARNAME} | sed ${transform})/i386-qemu"
37pc_dir="${libdir}/$(echo ${PACKAGE_TARNAME} | sed ${transform})/i386-pc"
38efi32_dir="${libdir}/$(echo ${PACKAGE_TARNAME} | sed ${transform})/i386-efi"
39efi64_dir="${libdir}/$(echo ${PACKAGE_TARNAME} | sed ${transform})/x86_64-efi"
7e70395f 40rom_directory=
d1d368e4 41override_dir=
c77069f5 42grub_mkimage="${bindir}/`echo grub-mkimage | sed ${transform}`"
fc2208b0 43
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44xorriso=xorriso
45
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46# Usage: usage
47# Print the usage.
48usage () {
49 cat <<EOF
0ea7c4f9 50Usage: $self [OPTION] SOURCE...
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51Make GRUB rescue image.
52
53 -h, --help print this message and exit
54 -v, --version print the version information and exit
7a64e28d 55 -o, --output=FILE save output in FILE [required]
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56 --modules=MODULES pre-load specified modules MODULES
57 --rom-directory=DIR save rom images in DIR [optional]
a6085973 58 --xorriso=FILE use FILE as xorriso [optional]
7fb5c25f 59 --grub-mkimage=FILE use FILE as grub-mkimage
fc2208b0 60
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61$self generates a bootable rescue image with specified source files, source
62directories, or mkisofs options listed by: xorriso -as mkisofs -help
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63
64Option -- switches to native xorriso command mode.
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65
66Report bugs to <bug-grub@gnu.org>.
ce08a9fb 67Mail xorriso support requests to <bug-xorriso@gnu.org>.
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68EOF
69}
70
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71argument () {
72 opt=$1
73 shift
74
75 if test $# -eq 0; then
76 echo "$0: option requires an argument -- '$opt'" 1>&2
77 exit 1
78 fi
79 echo $1
80}
81
fc2208b0 82# Check the arguments.
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83while test $# -gt 0
84do
85 option=$1
86 shift
87
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88 case "$option" in
89 -h | --help)
90 usage
91 exit 0 ;;
92 -v | --version)
0ea7c4f9 93 echo "$self (${PACKAGE_NAME}) ${PACKAGE_VERSION}"
fc2208b0 94 exit 0 ;;
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95
96 --modules)
b02c7c8f 97 modules=`argument $option "$@"`; shift ;;
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98 --modules=*)
99 modules=`echo "$option" | sed 's/--modules=//'` ;;
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100
101 -o | --output)
b02c7c8f 102 output_image=`argument $option "$@"`; shift ;;
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103 --output=*)
104 output_image=`echo "$option" | sed 's/--output=//'` ;;
7a64e28d 105
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106 --rom-directory)
107 rom_directory=`argument $option "$@"`; shift ;;
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108 --rom-directory=*)
109 rom_directory=`echo "$option" | sed 's/--rom-directory=//'` ;;
d6d0c209 110
efda854e 111 # Intentionally undocumented
7a64e28d 112 --override-directory)
b02c7c8f 113 override_dir=`argument $option "$@"`
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114 shift
115 PATH=${override_dir}:$PATH
116 export PATH
117 ;;
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118 --override-directory=*)
119 override_dir=`echo "${option}/" | sed 's/--override-directory=//'`
120 PATH=${override_dir}:$PATH
121 export PATH
122 ;;
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123
124 --grub-mkimage)
125 grub_mkimage=`argument $option "$@"`; shift ;;
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126 --grub-mkimage=*)
127 grub_mkimage=`echo "$option" | sed 's/--grub-mkimage=//'` ;;
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128
129 --xorriso)
130 xorriso=`argument $option "$@"`; shift ;;
a6085973 131 --xorriso=*)
182c872a 132 xorriso=`echo "${option}" | sed 's/--xorriso=//'` ;;
b2ffba9c 133
fc2208b0 134 *)
b02c7c8f 135 source="${source} ${option} $@"; break ;;
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136 esac
137done
138
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139if [ "x${output_image}" = x ] ; then
140 echo "output file must be given" >&2
141 usage
142 exit 1
143fi
144
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145set $grub_mkimage dummy
146if test -f "$1"; then
147 :
148else
149 echo "$1: Not found." 1>&2
150 exit 1
151fi
152
b65ea155 153iso9660_dir=`mktemp -d "${TMPDIR:-/tmp}/tmp.XXXXXXXXXX"` || exit 1
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154mkdir -p ${iso9660_dir}/boot/grub
155
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156process_input_dir ()
157{
158 input_dir="$1"
159 platform="$2"
7e70395f 160 mkdir -p ${iso9660_dir}/boot/grub/${platform}
ed660bd8 161 for file in "${input_dir}/"*.mod "${input_dir}/"efiemu32.o "${input_dir}/"efiemu64.o; do
efda854e 162 if test -f "$file"; then
7e70395f 163 cp -f "$file" ${iso9660_dir}/boot/grub/${platform}/
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164 fi
165 done
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166 for file in ${pkglib_DATA}; do
167 if test -f "${input_dir}/${file}"; then
7e70395f 168 cp -f "${input_dir}/${file}" ${iso9660_dir}/boot/grub/${platform}/
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169 fi
170 done
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171
172 mkdir -p ${iso9660_dir}/boot/grub/locale
173 for file in ${input_dir}/po/*.mo; do
174 if test -f "$file"; then
175 cp -f "$file" ${iso9660_dir}/boot/grub/locale/
176 fi
177 done
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178}
179
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180make_image ()
181{
182 source_directory="$1"
183 platform=$2
184 if ! test -e "${source_directory}"; then
185 return;
efda854e 186 fi
fc2208b0 187
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188 echo "Enabling $2 support ..."
189
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190 memdisk_img=`mktemp "${TMPDIR:-/tmp}/tmp.XXXXXXXXXX"` || exit 1
191 memdisk_dir=`mktemp -d "${TMPDIR:-/tmp}/tmp.XXXXXXXXXX"` || exit 1
fc2208b0 192 mkdir -p ${memdisk_dir}/boot/grub
fc2208b0 193
fc2208b0 194 cat << EOF > ${memdisk_dir}/boot/grub/grub.cfg
c982589f 195search --fs-uuid --set=root ${iso_uuid}
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196set prefix=(\${root})/boot/grub/${platform}
197source \$prefix/grub.cfg
fc2208b0 198EOF
b0c4f956 199 (for i in $(cat ${source_directory}/partmap.lst) ${modules} ; do
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200 echo "insmod $i"
201 done ; \
202 echo "source /boot/grub/grub.cfg") \
7e70395f 203 > ${iso9660_dir}/boot/grub/${platform}/grub.cfg
fc2208b0 204
3eaac1a1 205 (cd "${memdisk_dir}"; tar -cf - boot) > "${memdisk_img}"
fc2208b0 206 rm -rf ${memdisk_dir}
7fb5c25f 207 $grub_mkimage -O ${platform} -d "${source_directory}" -m "${memdisk_img}" -o "$3" --prefix='(memdisk)/boot/grub' \
ee62c427 208 search iso9660 configfile normal memdisk tar $4
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209 rm -rf ${memdisk_img}
210}
211
efda854e 212if [ "${override_dir}" = "" ] ; then
7210dca9 213 if test -e "${multiboot_dir}" ; then
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214 process_input_dir ${multiboot_dir} i386-multiboot
215 fi
216 if test -e "${coreboot_dir}" ; then
217 process_input_dir ${coreboot_dir} i386-coreboot
218 fi
219 if test -e "${qemu_dir}" ; then
220 process_input_dir ${qemu_dir} i386-qemu
fc2208b0 221 fi
efda854e 222 if test -e "${pc_dir}" ; then
7e70395f 223 process_input_dir ${pc_dir} i386-pc
efda854e 224 fi
ac0289ba 225 if test -e "${efi32_dir}" ; then
7e70395f 226 process_input_dir ${efi32_dir} i386-efi
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227 fi
228 if test -e "${efi64_dir}" ; then
7e70395f 229 process_input_dir ${efi64_dir} x86_64-efi
ac0289ba 230 fi
efda854e 231else
b84f26c5 232 . "${override_dir}"/modinfo.sh
6ad6223e 233 process_input_dir "${override_dir}" ${grub_modinfo_target_cpu}-${grub_modinfo_platform}
7210dca9 234 multiboot_dir=
efda854e 235 pc_dir=
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236 efi32_dir=
237 efi64_dir=
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238 coreboot_dir=
239 qemu_dir=
6ad6223e 240 case "${grub_modinfo_target_cpu}-${grub_modinfo_platform}" in
918405fd 241 i386-multiboot) multiboot_dir=${override_dir} ;;
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242 i386-coreboot) coreboot_dir=${override_dir} ;;
243 i386-qemu) qemu_dir=${override_dir} ;;
244 i386-pc) pc_dir=${override_dir} ;;
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245 i386-efi) efi32_dir=${override_dir} ;;
246 x86_64-efi) efi64_dir=${override_dir} ;;
efda854e 247 esac
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248fi
249
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250# obtain date-based UUID
251iso_uuid=$(date -u +%Y-%m-%d-%H-%M-%S-00)
252grub_mkisofs_arguments="${grub_mkisofs_arguments} --modification-date=$(echo ${iso_uuid} | sed -e s/-//g)"
253
52cc3ce0 254# build BIOS core.img
efda854e 255if test -e "${pc_dir}" ; then
52cc3ce0 256 echo "Enabling BIOS support ..."
b65ea155 257 core_img=`mktemp "${TMPDIR:-/tmp}/tmp.XXXXXXXXXX"` || exit 1
26966aeb 258 $grub_mkimage -O i386-pc -d ${pc_dir}/ -o ${core_img} --prefix=/boot/grub/i386-pc \
b15937b1 259 iso9660 biosdisk
fc2208b0 260 cat ${pc_dir}/cdboot.img ${core_img} > ${iso9660_dir}/boot/grub/i386-pc/eltorito.img
0ae56929 261
b65ea155 262 embed_img=`mktemp "${TMPDIR:-/tmp}/tmp.XXXXXXXXXX"` || exit 1
e9309813 263 cat ${pc_dir}/boot.img ${core_img} > ${embed_img}
0ae56929 264
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265 rm -f ${core_img}
266
b0c4f956 267 (for i in $(cat ${pc_dir}/partmap.lst) ${modules} ; do
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268 echo "insmod $i"
269 done ; \
270 echo "source /boot/grub/grub.cfg") \
271 > ${iso9660_dir}/boot/grub/i386-pc/grub.cfg
272
47779711 273 grub_mkisofs_arguments="${grub_mkisofs_arguments} -b boot/grub/i386-pc/eltorito.img -no-emul-boot -boot-info-table \
0ae56929 274 --embedded-boot ${embed_img}"
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275fi
276
7e70395f 277# build multiboot core.img
efff4b1c 278make_image "${multiboot_dir}" i386-multiboot "${iso9660_dir}/boot/multiboot.img" "pata ahci at_keyboard"
7e70395f 279
260ddb94 280if test -e "${efi64_dir}" || test -e "${efi32_dir}"; then
b65ea155 281 efi_dir=`mktemp -d "${TMPDIR:-/tmp}/tmp.XXXXXXXXXX"` || exit 1
260ddb94 282 mkdir -p "${efi_dir}/efi/boot"
13ac4305 283
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284 # build bootx64.efi
285 make_image "${efi64_dir}" x86_64-efi "${efi_dir}"/efi/boot/bootx64.efi ""
286 # build bootia32.efi
287 make_image "${efi32_dir}" i386-efi "${efi_dir}"/efi/boot/bootia32.efi ""
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288 if [ -e "${efi_dir}"/efi/boot/bootia32.efi ]; then
289 # For old macs. Suggested by Peter Jones.
290 cp "${efi_dir}"/efi/boot/bootia32.efi "${efi_dir}"/efi/boot/boot.efi
291 fi
13ac4305 292
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293 mformat -C -f 2880 -L 16 -i "${iso9660_dir}"/efi.img ::
294 mcopy -s -i "${iso9660_dir}"/efi.img ${efi_dir}/efi ::/
ea9be8ea 295 rm -rf ${efi_dir}
260ddb94 296 grub_mkisofs_arguments="${grub_mkisofs_arguments} --efi-boot efi.img"
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297fi
298
efff4b1c 299make_image "${qemu_dir}" i386-qemu "${iso9660_dir}/boot/qemu.img" "pata at_keyboard"
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300if [ -e "${iso9660_dir}/boot/qemu.img" ] && [ -d "${rom_directory}" ]; then
301 cp "${iso9660_dir}/boot/qemu.img" "${rom_directory}/qemu.img"
302fi
efff4b1c 303make_image "${coreboot_dir}" i386-coreboot "${iso9660_dir}/boot/coreboot.elf" "pata ahci at_keyboard"
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304if [ -e "${iso9660_dir}/boot/coreboot.elf" ] && [ -d "${rom_directory}" ]; then
305 cp "${iso9660_dir}/boot/coreboot.elf" "${rom_directory}/coreboot.elf"
306fi
307
fc2208b0 308# build iso image
a6085973 309"${xorriso}" -as mkisofs -graft-points ${grub_mkisofs_arguments} --protective-msdos-label -o ${output_image} -r ${iso9660_dir} --sort-weight 0 / --sort-weight 1 /boot ${source}
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310rm -rf ${iso9660_dir}
311
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312rm -f ${embed_img}
313
fc2208b0 314exit 0