mkimage revision 1.43 1 #!/bin/sh
2 # $NetBSD: mkimage,v 1.43 2013/06/27 14:51:30 christos Exp $
3 #
4 # Copyright (c) 2013 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 set -e
36
37 DIR="$(cd "$(dirname "$0")" && pwd)"
38 PROG="$(basename "$0")"
39
40 DISKLABEL=${TOOL_DISKLABEL:-disklabel}
41 FDISK=${TOOL_FDISK:-fdisk}
42 GZIP=${TOOL_GZIP:-gzip}
43 MAKEFS=${TOOL_MAKEFS:-makefs}
44 MTREE=${TOOL_MTREE:-mtree}
45
46 src="/usr/src"
47 release="/usr/obj/evbarm/release"
48 sets="base comp etc games man misc modules text"
49 xsets="xbase xcomp xetc xfont xserver"
50 minfree="10%"
51 bar="==="
52
53 tmp="$(mktemp -d "/tmp/$PROG.XXXXXX")"
54 mnt="${tmp}/mnt"
55 mkdir -p "${mnt}/etc" "${mnt}/dev" "${mnt}/boot"
56
57 trap "cleanup" 0 1 2 3 15
58
59 cleanup() {
60 case "$tmp" in
61 /tmp/$PROG.*) rm -fr "$tmp";;
62 esac
63 }
64
65 getsize() {
66 set -- $(ls -l $1)
67 echo $5
68 }
69
70 usage() {
71 cat << EOF 1>&2
72 Usage: $PROG -h <host-arch> [-bdmx] [-K <kerneldir>] [-S <srcdir>] [-D <destdir>] [-c <custom-files-dir>] [-s <Mb size>] [<image>]
73
74 -b Boot only, no sets loaded
75 -d Add the debug sets
76 -m Optimize the OS installation to mimimize disk writes for SSDs
77 -x Load the x sets too, not just the base ones
78 EOF
79 exit 1
80 }
81
82 # First pass for options to get the host and src directories
83 OPTS="K:D:S:bc:dh:ms:x"
84 while getopts "$OPTS" f
85 do
86 case $f in
87 h) h="$OPTARG";;
88 S) src="$OPTARG";;
89 *) ;;
90 esac
91 done
92
93 if [ -z "$h" ]
94 then
95 usage
96 fi
97
98 if [ ! -f "${DIR}/conf/${h}.conf" ]
99 then
100 echo $PROG: ${DIR}/conf/${h}.conf is not present 1>&2
101 exit 1
102 fi
103
104 . "${DIR}/conf/${h}.conf"
105
106 selected_sets="$sets"
107 dsets=false
108 xsets=false
109 minwrites=false
110
111 OPTIND=1
112 while getopts "$OPTS" f
113 do
114 case $f in
115 D) release="$OPTARG";;
116 K) kernel="$OPTARG";;
117 S) ;;
118 b) bootonly=true;;
119 d) dsets=true
120 selected_sets="$selected_sets debug"
121 if $xsets; then
122 selected_sets="$selected_sets xdebug"
123 fi
124 ;;
125 c) custom="$OPTARG";;
126 h) ;;
127 m) minwrites=true;;
128 s) size="$OPTARG";;
129 x) xsets=true
130 selected_sets="$selected_sets $xsets"
131 if $dsets; then
132 selected_sets="$selected_sets xdebug"
133 fi
134 ;;
135 *) usage;;
136 esac
137 done
138
139 shift $(( $OPTIND - 1 ))
140 if [ -n "$1" ]; then
141 # take the next argument as being the image name
142 image="$1"
143 shift
144 fi
145
146 case "$image" in
147 *.gz) compress=true; image="${image%.gz}";;
148 *) compress=false;;
149 esac
150
151 if [ -z "$bootonly" ]; then
152 echo ${bar} configuring sets ${bar}
153 (echo '/set type=dir uname=root gname=wheel mode=0755'
154 for i in $selected_sets; do
155 s="${release}/etc/mtree/set.$i"
156 if [ -f "$s" ]; then
157 cat "$s"
158 fi
159 done) > "$tmp/selected_sets"
160 fi
161
162 make_fstab
163 customize
164 populate
165
166 if [ -z "$bootonly" ]; then
167 (cd ${mnt}; ${MTREE} -N ${release}/etc -c -k all |
168 ${MTREE} -N ${release}/etc -C -k all) >> "$tmp/selected_sets"
169 fi
170 if [ -n ${msdosid} ]; then
171 echo ${bar} Populating msdos filesystem ${bar}
172 ${MAKEFS} -N ${release}/etc -t msdos \
173 -O $((${init} / 2))m -s $((${boot} / 2 + ${init} / 2))m \
174 ${image} ${mnt}/boot
175 fi
176
177 if [ -z "$bootonly" ]; then
178 echo ${bar} Populating ffs filesystem ${bar}
179 ${MAKEFS} -N ${release}/etc -t ffs -rx \
180 -O $(((${init} + ${boot} + ${swap}) / 2))m \
181 -o d=4096 -b $((${extra}))m \
182 -F "$tmp/selected_sets" ${image} "${release}" "${mnt}"
183 fi
184
185 if [ "${size}" = 0 ]; then
186 size="$(getsize "${image}")"
187 fi
188 newsize=$((${size} / 2 / 1024))
189
190 echo ${bar} Adding label ${bar}
191 make_label > ${tmp}/label
192 ${DISKLABEL} -R -F ${image} ${tmp}/label
193 if [ -n ${msdosid} ]; then
194 echo ${bar} Running fdisk ${bar}
195 initsecs=$((${init} * 1024))
196 bootsecs=$((${boot} * 1024))
197 ${FDISK} -f -u -0 -s ${msdosid}/${initsecs}/${bootsecs} -F ${image}
198 fi
199
200 if $compress; then
201 echo ${bar} Compressing image ${bar}
202 rm -f "${image}.gz"
203 ${GZIP} -9 ${image}
204 image="${image}.gz"
205 fi
206
207 echo ${bar} Image is ${image} ${bar}
208