mkimage revision 1.50
1#!/bin/sh 2# $NetBSD: mkimage,v 1.50 2015/01/18 17:37:54 skrll 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 35set -e 36 37DIR="$(cd "$(dirname "$0")" && pwd)" 38PROG="$(basename "$0")" 39 40DISKLABEL=${TOOL_DISKLABEL:-disklabel} 41FDISK=${TOOL_FDISK:-fdisk} 42MAKEFS=${TOOL_MAKEFS:-makefs} 43MTREE=${TOOL_MTREE:-mtree} 44INSTALLBOOT=${TOOL_INSTALLBOOT:-installboot} 45GZIP_CMD=${TOOL_GZIP:-gzip} # ${GZIP} is special to gzip(1) 46 47src="/usr/src" 48sets="base comp etc games man misc modules text" 49xsets="xbase xcomp xetc xfont xserver" 50minfree="10%" 51bar="===" 52 53tmp="$(mktemp -d "/tmp/$PROG.XXXXXX")" 54mnt="${tmp}/mnt" 55mkdir -p "${mnt}/etc" "${mnt}/dev" 56 57trap "cleanup" 0 1 2 3 15 58 59cleanup() { 60 case "$tmp" in 61 /tmp/$PROG.*) rm -fr "$tmp";; 62 esac 63} 64 65getsize() { 66 set -- $(ls -l $1) 67 echo $5 68} 69 70usage() { 71 cat << EOF 1>&2 72Usage: $PROG -h <host-arch> [-bdmx] [-K <kerneldir>] [-S <srcdir>] [-D <destdir>] [-c <custom-files-dir>] [-s <Mb size>] [<image>] 73 74-b Boot only, no sets loaded 75-r root device kind (sd, wd, ld) 76-d Add the debug sets 77-m Optimize the OS installation to mimimize disk writes for SSDs 78-x Load the x sets too, not just the base ones 79EOF 80 exit 1 81} 82 83# First pass for options to get the host and src directories 84OPTS="K:D:S:bc:dh:mr:s:x" 85while getopts "$OPTS" f 86do 87 case $f in 88 h) h="$OPTARG";; 89 S) src="$OPTARG";; 90 *) ;; 91 esac 92done 93 94if [ -z "$h" ] 95then 96 usage 97fi 98 99if [ ! -f "${DIR}/conf/${h}.conf" ] 100then 101 echo $PROG: ${DIR}/conf/${h}.conf is not present 1>&2 102 exit 1 103fi 104 105. "${DIR}/conf/${h}.conf" 106release="/usr/obj/${MACHINE}/release" 107 108selected_sets="$sets" 109dsets_p=false 110xsets_p=false 111minwrites=false 112rootdev=ld 113 114OPTIND=1 115while getopts "$OPTS" f 116do 117 case $f in 118 D) release="$OPTARG";; 119 K) kernel="$OPTARG";; 120 S) ;; 121 b) bootonly=true;; 122 d) dsets_p=true 123 selected_sets="$selected_sets debug" 124 if $xsets_p; then 125 selected_sets="$selected_sets xdebug" 126 fi 127 ;; 128 c) custom="$OPTARG";; 129 h) ;; 130 m) minwrites=true;; 131 r) rootdev="$OPTARG";; 132 s) size="$OPTARG";; 133 x) xsets_p=true 134 selected_sets="$selected_sets $xsets" 135 if $dsets_p; then 136 selected_sets="$selected_sets xdebug" 137 fi 138 ;; 139 *) usage;; 140 esac 141done 142 143shift $(( $OPTIND - 1 )) 144if [ -n "$1" ]; then 145 # take the next argument as being the image name 146 image="$1" 147 shift 148fi 149 150case "$image" in 151*.gz) compress=true; image="${image%.gz}";; 152*) compress=false;; 153esac 154 155if [ -z "${bootonly}" ]; then 156 echo ${bar} configuring sets ${bar} 157 (echo '/set type=dir uname=root gname=wheel mode=0755' 158 for i in $selected_sets; do 159 s="${release}/etc/mtree/set.$i" 160 if [ -f "$s" ]; then 161 cat "$s" 162 fi 163 done) > "$tmp/selected_sets" 164fi 165 166make_fstab 167customize 168populate 169 170if [ -z "${bootonly}" ]; then 171 (cd ${mnt}; ${MTREE} -N ${release}/etc -c -k all | 172 ${MTREE} -N ${release}/etc -C -k all) >> "$tmp/selected_sets" 173fi 174if [ -n "${msdosid}" ]; then 175 echo ${bar} Populating msdos filesystem ${bar} 176 ${MAKEFS} -N ${release}/etc -t msdos \ 177 -O $((${init} / 2))m -s $((${boot} / 2 + ${init} / 2))m \ 178 ${image} ${mnt}/boot 179fi 180 181if [ -z "${bootonly}" ]; then 182 echo ${bar} Populating ffs filesystem ${bar} 183 ${MAKEFS} -N ${release}/etc -t ffs -rx \ 184 -O ${ffsoffset} \ 185 -o d=4096 -b $((${extra}))m \ 186 -F "$tmp/selected_sets" ${image} "${release}" "${mnt}" 187fi 188 189if [ "${size}" = 0 ]; then 190 size="$(getsize "${image}")" 191fi 192newsize=$((${size} / 2 / 1024)) 193compare=$((${newsize} * 2 * 1024)) 194while [ "${compare}" != "${size}" ] 195do 196 size="$((size + size - compare))" 197 newsize="$((${size} / 2 / 1024))" 198 compare="$((${newsize} * 2 * 1024))" 199done 200 201echo ${bar} Adding label ${bar} 202make_label > ${tmp}/label 203${DISKLABEL} -R -F ${image} ${tmp}/label 204if [ -n "${msdosid}" ]; then 205 echo ${bar} Running fdisk ${bar} 206 initsecs=$((${init} * 1024)) 207 bootsecs=$((${boot} * 1024)) 208 ${FDISK} -f -u -0 -s ${msdosid}/${initsecs}/${bootsecs} -F ${image} 209elif [ -n "${netbsdid}" ]; then 210 echo ${bar} Running fdisk ${bar} 211 ${FDISK} -f -i ${image} 212 ${FDISK} -f -a -u -0 -s 169/${init} ${image} 213 ${INSTALLBOOT} -f -v ${image} ${release}/usr/mdec/bootxx_ffsv1 214fi 215 216if $compress; then 217 echo ${bar} Compressing image ${bar} 218 rm -f "${image}.gz" 219 ${GZIP_CMD} -9 ${image} 220 image="${image}.gz" 221fi 222 223echo ${bar} Image is ${image} ${bar} 224