mkimage revision 1.59
1 #!/bin/sh 2 # $NetBSD: mkimage,v 1.59 2015/05/24 17:08:21 christos 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 "$0")" 53 54 DISKLABEL=${TOOL_DISKLABEL:-disklabel} 55 FDISK=${TOOL_FDISK:-fdisk} 56 MAKEFS=${TOOL_MAKEFS:-makefs} 57 MTREE=${TOOL_MTREE:-mtree} 58 INSTALLBOOT=${TOOL_INSTALLBOOT:-installboot} 59 MKUBOOTIMAGE=${TOOL_MKUBOOTIMAGE:-mkubootimage} 60 GZIP_CMD=${TOOL_GZIP:-gzip} # ${GZIP} is special to gzip(1) 61 62 src="/usr/src" 63 sets="base comp etc games man misc modules text" 64 xsets="xbase xcomp xetc xfont xserver" 65 minfree="10%" 66 bar="===" 67 68 tmp="$(mktemp -d "/tmp/$PROG.XXXXXX")" 69 mnt="${tmp}/mnt" 70 mkdir -p "${mnt}/etc" "${mnt}/dev" 71 72 trap "cleanup" 0 1 2 3 15 73 74 cleanup() { 75 case "$tmp" in 76 /tmp/$PROG.*) rm -fr "$tmp";; 77 esac 78 } 79 80 getsize() { 81 set -- $(ls -l $1) 82 echo $5 83 } 84 85 usage() { 86 cat << EOF 1>&2 87 Usage: $PROG -h <host-arch> [-bdmx] [-K <kerneldir>] [-S <srcdir>] [-D <destdir>] [-c <custom-files-dir>] [-s <Mb size>] [<image>] 88 89 -b Boot only, no sets loaded 90 -r root device kind (sd, wd, ld) 91 -d Add the debug sets 92 -m Optimize the OS installation to mimimize disk writes for SSDs 93 -x Load the X sets too, not just the base ones 94 EOF 95 exit 1 96 } 97 98 # First pass for options to get the host and src directories 99 OPTS="K:D:S:bc:dh:mr:s:x" 100 while getopts "$OPTS" f 101 do 102 case $f in 103 h) h="$OPTARG";; 104 S) src="$OPTARG";; 105 *) ;; 106 esac 107 done 108 109 if [ -z "$h" ] 110 then 111 usage 112 fi 113 114 if [ ! -f "${DIR}/conf/${h}.conf" ] 115 then 116 echo $PROG: ${DIR}/conf/${h}.conf is not present 1>&2 117 exit 1 118 fi 119 120 resize=false 121 122 . "${DIR}/conf/${h}.conf" 123 release="/usr/obj/${MACHINE}/release" 124 125 selected_sets="$sets" 126 dsets_p=false 127 xsets_p=false 128 minwrites=false 129 rootdev=ld 130 131 OPTIND=1 132 while getopts "$OPTS" f 133 do 134 case $f in 135 D) release="$OPTARG";; 136 K) kernel="$OPTARG";; 137 S) ;; 138 b) bootonly=true;; 139 d) dsets_p=true 140 selected_sets="$selected_sets debug" 141 if $xsets_p; then 142 selected_sets="$selected_sets xdebug" 143 fi 144 ;; 145 c) custom="$OPTARG";; 146 h) ;; 147 m) minwrites=true;; 148 r) rootdev="$OPTARG";; 149 s) size="$OPTARG";; 150 x) xsets_p=true 151 selected_sets="$selected_sets $xsets" 152 if $dsets_p; then 153 selected_sets="$selected_sets xdebug" 154 fi 155 ;; 156 *) usage;; 157 esac 158 done 159 160 shift $(( $OPTIND - 1 )) 161 if [ -n "$1" ]; then 162 # take the next argument as being the image name 163 image="$1" 164 shift 165 fi 166 167 case "$image" in 168 *.gz) compress=true; image="${image%.gz}";; 169 *) compress=false;; 170 esac 171 172 if [ -z "${bootonly}" ]; then 173 echo ${bar} configuring sets ${bar} 174 (cat "${release}/etc/mtree/NetBSD.dist" 175 for i in $selected_sets; do 176 s="${release}/etc/mtree/set.$i" 177 if [ -f "$s" ]; then 178 cat "$s" 179 fi 180 done) > "$tmp/selected_sets" 181 fi 182 183 make_fstab 184 customize 185 populate 186 187 if [ -n "${msdosid}" ]; then 188 echo ${bar} Populating msdos filesystem ${bar} 189 ${MAKEFS} -N ${release}/etc -t msdos \ 190 -O $((${init} / 2))m -s $((${boot} / 2 + ${init} / 2))m \ 191 ${image} ${mnt}/boot 192 fi 193 194 if [ -z "${bootonly}" ]; then 195 echo ${bar} Populating ffs filesystem ${bar} 196 ${MAKEFS} -r -N ${release}/etc -t ffs -rx \ 197 -O ${ffsoffset} \ 198 -o d=4096,f=2048,b=16384 -b $((${extra}))m \ 199 -F "$tmp/selected_sets" ${image} "${release}" "${mnt}" 200 fi 201 202 if [ "${size}" = 0 ]; then 203 size="$(getsize "${image}")" 204 fi 205 newsize=$((${size} / 2 / 1024)) 206 compare=$((${newsize} * 2 * 1024)) 207 while [ "${compare}" != "${size}" ] 208 do 209 size="$((size + size - compare))" 210 newsize="$((${size} / 2 / 1024))" 211 compare="$((${newsize} * 2 * 1024))" 212 done 213 214 echo ${bar} Adding label ${bar} 215 make_label > ${tmp}/label 216 ${DISKLABEL} -R -F ${image} ${tmp}/label 217 if [ -n "${msdosid}" ]; then 218 echo ${bar} Running fdisk ${bar} 219 initsecs=$((${init} * 1024)) 220 bootsecs=$((${boot} * 1024)) 221 ${FDISK} -f -u -0 -s ${msdosid}/${initsecs}/${bootsecs} -F ${image} 222 elif [ -n "${netbsdid}" ]; then 223 echo ${bar} Running fdisk ${bar} 224 ${FDISK} -f -i ${image} 225 ${FDISK} -f -a -u -0 -s 169/${init} ${image} 226 ${INSTALLBOOT} -f -v ${image} ${release}/usr/mdec/bootxx_ffsv1 227 fi 228 229 if $compress; then 230 echo ${bar} Compressing image ${bar} 231 rm -f "${image}.gz" 232 ${GZIP_CMD} -9 ${image} 233 image="${image}.gz" 234 fi 235 236 echo ${bar} Image is ${image} ${bar} 237
Indexes created Sat Oct 11 19:10:01 GMT 2025