mkimage revision 1.38 1 #!/bin/sh
2 # $NetBSD: mkimage,v 1.38 2013/04/03 19:37:43 htodd 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=${TOOL_FDISK:-fdisk}
42 MAKEFS=${TOOL_MAKEFS:-makefs}
43 MTREE=${TOOL_MTREE:-mtree}
44
45 src="/usr/src"
46 release="/usr/obj/evbarm/release"
47 sets="base comp etc games man misc modules text"
48 xsets="xbase xcomp xetc xfont xserver"
49 minfree="10%"
50 bar="==="
51
52 tmp="$(mktemp -d "/tmp/$PROG.XXXXXX")"
53 mnt="${tmp}/mnt"
54 mkdir -p "${mnt}/etc" "${mnt}/dev" "${mnt}/boot"
55
56 trap "cleanup" 0 1 2 3 15
57
58 cleanup() {
59 case "$tmp" in
60 /tmp/$PROG.*) rm -fr "$tmp";;
61 esac
62 }
63
64 getsize() {
65 set -- $(ls -l $1)
66 echo $5
67 }
68
69 usage() {
70 cat << EOF 1>&2
71 Usage: $PROG -h <host-arch> [-b] [-K <kerneldir>] [-S <srcdir>] [-D <destdir>] [-c <custom-files-dir>] [-s <Mb size>] [<image>]
72 EOF
73 exit 1
74 }
75
76 # First pass for options to get the host and src directories
77 OPTS="K:D:S:bc:h:s:x"
78 while getopts "$OPTS" f
79 do
80 case $f in
81 h) h="$OPTARG";;
82 S) src="$OPTARG";;
83 *) ;;
84 esac
85 done
86
87 if [ -z "$h" ]
88 then
89 usage
90 fi
91
92 if [ ! -f "${DIR}/conf/${h}.conf" ]
93 then
94 echo $PROG: ${DIR}/conf/${h}.conf is not present 1>&2
95 exit 1
96 fi
97
98 . "${DIR}/conf/${h}.conf"
99
100 selected_sets="$sets"
101
102 OPTIND=1
103 while getopts "$OPTS" f
104 do
105 case $f in
106 D) release="$OPTARG";;
107 K) kernel="$OPTARG";;
108 S) ;;
109 b) bootonly="true";;
110 c) custom="$OPTARG";;
111 h) ;;
112 s) size="$OPTARG";;
113 x) selected_sets="$sets $xsets";;
114 *) usage;;
115 esac
116 done
117
118 shift $(( $OPTIND - 1 ))
119 if [ -n "$1" ]; then
120 # take the next argument as being the image name
121 image="$1"
122 shift
123 fi
124
125 case "$image" in
126 *.gz) compress=true; image="${image%.gz}";;
127 *) compress=false;;
128 esac
129
130 if [ -z "$bootonly" ]; then
131 echo ${bar} configuring sets ${bar}
132 (echo '/set type=dir uname=root gname=wheel mode=0755'
133 for i in $selected_sets; do
134 s="${release}/etc/mtree/set.$i"
135 if [ -f "$s" ]; then
136 cat "$s"
137 fi
138 done) > "$tmp/selected_sets"
139 fi
140
141 make_fstab
142 customize
143 populate
144
145 if [ -z "$bootonly" ]; then
146 (cd ${mnt}; ${MTREE} -N ${release}/etc -c -k all |
147 ${MTREE} -N ${release}/etc -C -k all) >> "$tmp/selected_sets"
148 fi
149 if [ -n ${msdosid} ]; then
150 echo ${bar} Populating msdos filesystem ${bar}
151 ${MAKEFS} -N ${release}/etc -t msdos \
152 -O $((${init} / 2))m -s $((${boot} / 2 + ${init} / 2))m ${image} ${mnt}/boot
153 fi
154
155 if [ -z "$bootonly" ]; then
156 echo ${bar} Populating ffs filesystem ${bar}
157 ${MAKEFS} -N ${release}/etc -t ffs -rx \
158 -O $(((${init} + ${boot} + ${swap}) / 2))m \
159 -o d=4096 \
160 -b $((${extra}))m \
161 -F "$tmp/selected_sets" ${image} "${release}" "${mnt}"
162 fi
163
164 if [ "${size}" = 0 ]; then
165 size="$(getsize "${image}")"
166 fi
167 newsize=$((${size} / 2 / 1024))
168
169 echo ${bar} Adding label ${bar}
170 make_label > ${tmp}/label
171 ${DISKLABEL} -R -F ${image} ${tmp}/label
172 if [ -n ${msdosid} ]; then
173 echo ${bar} Running fdisk ${bar}
174 initsecs=$((${init} * 1024))
175 bootsecs=$((${boot} * 1024))
176 ${FDISK} -f -u -0 -s ${msdosid}/${initsecs}/${bootsecs} -F ${image}
177 fi
178
179 if $compress; then
180 echo ${bar} Compressing image ${bar}
181 rm -f "${image}.gz"
182 gzip -9 ${image}
183 image="${image}.gz"
184 fi
185
186 echo ${bar} Image is ${image} ${bar}
187