mkimage revision 1.68
1 #!/bin/sh 2 # $NetBSD: mkimage,v 1.68 2017/11/28 00:24:08 kre Exp $ 3 # 4 # Copyright (c) 2013, 2014 The NetBSD Foundation, Inc. 5 # All rights reserved. 6 # 7 # This code is derived from software contributed to The NetBSD Foundation 8 # by Christos Zoulas. 9 # 10 # Redistribution and use in source and binary forms, with or without 11 # modification, are permitted provided that the following conditions 12 # are met: 13 # 1. Redistributions of source code must retain the above copyright 14 # notice, this list of conditions and the following disclaimer. 15 # 2. Redistributions in binary form must reproduce the above copyright 16 # notice, this list of conditions and the following disclaimer in the 17 # documentation and/or other materials provided with the distribution. 18 # 3. Neither the name of The NetBSD Foundation nor the names of its 19 # contributors may be used to endorse or promote products derived 20 # from this software without specific prior written permission. 21 # 22 # THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 23 # ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 24 # TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 25 # PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 26 # BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 27 # CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 28 # SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 29 # INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 30 # CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 31 # ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 32 # POSSIBILITY OF SUCH DAMAGE. 33 # 34 35 # 36 # Makes a bootable image for the host architecture given. 37 # The host specific functions are pulled in from a /bin/sh script in the 38 # "conf" directory, and is expected to provide the following shell 39 # functions, which are called in the following order: 40 # 41 # - make_fstab: Creates the host's /etc/fstab with / on ${rootdev}. 42 # If -m is given, a number of directories are put on a tmpfs RAM disk 43 # - customize: After unpacking the sets, this gets the system to 44 # a working state, e. g. by setting up /etc/rc.conf and /dev 45 # - populate: Add common goods like kernel and bootloader 46 # - make_label: Prints disklabel to stdout 47 # 48 49 set -e 50 51 DIR="$(cd "$(dirname "$0")" && pwd)" 52 PROG="$(basename "$0")" 53 54 MAKE=${TOOL_MAKE:-make} 55 DISKLABEL=${TOOL_DISKLABEL:-disklabel} 56 FDISK=${TOOL_FDISK:-fdisk} 57 MAKEFS=${TOOL_MAKEFS:-makefs} 58 MTREE=${TOOL_MTREE:-mtree} 59 INSTALLBOOT=${TOOL_INSTALLBOOT:-installboot} 60 MKUBOOTIMAGE=${TOOL_MKUBOOTIMAGE:-mkubootimage} 61 GZIP_CMD=${TOOL_GZIP:-gzip} # ${GZIP} is special to gzip(1) 62 63 src="/usr/src" 64 sets="base comp etc games man misc modules tests text" 65 xsets="xbase xcomp xetc xfont xserver" 66 minfree="10%" 67 bar="===" 68 69 tmp="$(mktemp -d "${TMPDIR:-/tmp}/$PROG.XXXXXX")" 70 mnt="${tmp}/mnt" 71 mkdir -p "${mnt}/etc" "${mnt}/dev" 72 73 trap "cleanup" 0 1 2 3 15 74 75 cleanup() { 76 case "$tmp" in 77 "${TMPDIR:-/tmp}/$PROG."*) rm -fr "$tmp";; 78 esac 79 } 80 81 getsize() { 82 set -- $(ls -l $1) 83 echo $5 84 } 85 86 getsectors() { 87 case "$1" in 88 *g) 89 m=1073741824 90 v=${1%g} 91 ;; 92 *m) 93 m=1048576 94 v=${1%m} 95 ;; 96 *k) 97 m=1024 98 v=${1%k} 99 ;; 100 *[0-9b]) 101 m=1 102 v=${1%b} 103 ;; 104 esac 105 echo $((m * v / 512)) 106 } 107 108 usage() { 109 cat << EOF 1>&2 110 Usage: $PROG -h <host-arch> [-bdmx] [-B <byte-order>] [-K <kerneldir>] [-S <srcdir>] [-D <destdir>] [-c <custom-files-dir>] [-s <Mb size>] [<image>] 111 112 -b Boot only, no sets loaded 113 -r root device kind (sd, wd, ld) 114 -d Add the debug sets 115 -m Optimize the OS installation to mimimize disk writes for SSDs 116 -x Load the X sets too, not just the base ones 117 EOF 118 exit 1 119 } 120 121 # First pass for options to get the host and src directories 122 OPTS="B:D:K:S:bc:dh:mr:s:x" 123 while getopts "$OPTS" f 124 do 125 case $f in 126 h) h="$OPTARG";; 127 S) src="$OPTARG";; 128 *) ;; 129 esac 130 done 131 132 if [ -z "$h" ] 133 then 134 usage 135 fi 136 137 if [ ! -f "${DIR}/conf/${h}.conf" ] 138 then 139 echo $PROG: ${DIR}/conf/${h}.conf is not present 1>&2 140 exit 1 141 fi 142 143 resize=false 144 145 . "${DIR}/conf/${h}.conf" 146 release="/usr/obj/${MACHINE}/release" 147 148 selected_sets="$sets" 149 dsets_p=false 150 xsets_p=false 151 minwrites=false 152 rootdev=ld 153 endian= 154 155 OPTIND=1 156 while getopts "$OPTS" f 157 do 158 case $f in 159 B) endian="-B $OPTARG";; 160 D) release="$OPTARG";; 161 K) kernel="$OPTARG";; 162 S) ;; 163 b) bootonly=true;; 164 d) dsets_p=true 165 selected_sets="$selected_sets debug" 166 if $xsets_p; then 167 selected_sets="$selected_sets xdebug" 168 fi 169 ;; 170 c) custom="$OPTARG";; 171 h) ;; 172 m) minwrites=true;; 173 r) rootdev="$OPTARG";; 174 s) size="$OPTARG";; 175 x) xsets_p=true 176 selected_sets="$selected_sets $xsets" 177 if $dsets_p; then 178 selected_sets="$selected_sets xdebug" 179 fi 180 ;; 181 *) usage;; 182 esac 183 done 184 185 shift $(( $OPTIND - 1 )) 186 if [ -n "$1" ]; then 187 # take the next argument as being the image name 188 image="$1" 189 shift 190 fi 191 192 case "$image" in 193 *.gz) compress=true; image="${image%.gz}";; 194 *) compress=false;; 195 esac 196 197 if [ -z "${bootonly}" ]; then 198 echo ${bar} configuring sets ${bar} 199 (cat "${release}/etc/mtree/NetBSD.dist" 200 for i in $selected_sets; do 201 s="${release}/etc/mtree/set.$i" 202 if [ -f "$s" ]; then 203 cat "$s" 204 fi 205 done) > "$tmp/selected_sets" 206 fi 207 208 make_fstab 209 customize 210 populate 211 212 if [ -n "${msdosid}" ]; then 213 echo ${bar} Populating msdos filesystem ${bar} 214 ${MAKEFS} -N ${release}/etc -t msdos -o volume_label=NETBSD \ 215 -O $((${init} / 2))m -s $((${boot} / 2))m \ 216 ${image} ${mnt}/boot 217 fi 218 219 if [ -z "${bootonly}" ]; then 220 echo ${bar} Populating ffs filesystem ${bar} 221 ${MAKEFS} -rx ${endian} -N ${release}/etc -t ffs \ 222 -O ${ffsoffset} \ 223 -o d=4096,f=8192,b=65536 -b $((${extra}))m \ 224 -F "$tmp/selected_sets" ${image} "${release}" "${mnt}" 225 fi 226 227 if [ "${size}" = 0 ]; then 228 size="$(getsize "${image}")" 229 fi 230 newsize=$((${size} / 2 / 1024)) 231 compare=$((${newsize} * 2 * 1024)) 232 while [ "${compare}" != "${size}" ] 233 do 234 size="$((size + size - compare))" 235 newsize="$((${size} / 2 / 1024))" 236 compare="$((${newsize} * 2 * 1024))" 237 done 238 239 if [ -n "${msdosid}" ]; then 240 echo ${bar} Running fdisk ${bar} 241 initsecs=$((${init} * 1024)) 242 bootsecs=$((${boot} * 1024)) 243 ${FDISK} -f -i ${image} 244 ${FDISK} -f -a -u -0 -s ${msdosid}/${initsecs}/${bootsecs} -F ${image} 245 if [ -z "${bootonly}" ]; then 246 ffsstart="$(getsectors ${ffsoffset})" 247 imagesize="$(getsize "${image}")" 248 imagesecs="$(getsectors ${imagesize})" 249 ffssize="$(expr ${imagesecs} - ${ffsstart})" 250 ${FDISK} -f -u -1 -s 169/${ffsstart}/${ffssize} -F ${image} 251 fi 252 253 echo ${bar} Adding label ${bar} 254 make_label > ${tmp}/label 255 ${DISKLABEL} -R -F ${image} ${tmp}/label 256 elif [ -n "${netbsdid}" ]; then 257 echo ${bar} Adding label ${bar} 258 make_label > ${tmp}/label 259 ${DISKLABEL} -R -F ${image} ${tmp}/label 260 261 echo ${bar} Running fdisk ${bar} 262 ${FDISK} -f -i ${image} 263 ${FDISK} -f -a -u -0 -s 169/${init} ${image} 264 ${INSTALLBOOT} -f -v ${image} ${release}/usr/mdec/bootxx_ffsv1 265 fi 266 267 if $compress; then 268 echo ${bar} Compressing image ${bar} 269 rm -f "${image}.gz" 270 ${GZIP_CMD} -9 ${image} 271 image="${image}.gz" 272 fi 273 274 echo ${bar} Image is ${image} ${bar} 275
Indexes created Wed Oct 01 19:09:53 GMT 2025