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mkimage revision 1.17 
      1 #!/bin/sh
      2 # $NetBSD: mkimage,v 1.17 2013/02/03 09:16:24 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 DIR="$(cd "$(dirname "$0")" && pwd)"
     36 PROG="$(basename "$0")"
     37 
     38 src="/usr/src"
     39 release="/usr/obj/evbarm/release"
     40 sets="base comp etc games man misc modules text"
     41 xsets="xbase xcomp xetc xfont xserver" 
     42 minfree="10%"
     43 bar="==="
     44 
     45 tmp="$(mktemp -d "/tmp/$PROG.XXXXXX")"
     46 mnt="${tmp}/mnt"
     47 mkdir -p "${mnt}/etc" "${mnt}/dev" "${mnt}/boot"
     48 trap "cleanup" 0 1 2 3 15
     49 
     50 cleanup() {
     51 	case "$tmp" in
     52 	/tmp/$PROG.*)	rm -fr "$tmp";;
     53 	esac
     54 }
     55 
     56 getsize() {
     57 	set -- $(ls -l $1)
     58 	echo $5
     59 }
     60 
     61 usage() {
     62 	cat << EOF 1>&2
     63 Usage: $PROG -h <host-arch> [-K <kerneldir>] [-S <srcdir>] [-R <releasedir>] [-c <custom-files-dir>] [-s <Mb size>] [<image>]
     64 EOF
     65 	exit 1
     66 }
     67 
     68 # First pass for options to get the host
     69 OPTS="K:R:S:c:h:s:x"
     70 while getopts "$OPTS" f
     71 do
     72 	case $f in
     73 	h)	h="$OPTARG";;
     74 	*)	;;
     75 	esac
     76 done
     77 
     78 if [ -z "$h" ]
     79 then
     80 	usage
     81 fi
     82 
     83 if [ ! -f "${DIR}/conf/${h}.conf" ]
     84 then
     85 	echo $PROG: ${DIR}/conf/${h}.conf is not present 1>&2
     86 	exit 1
     87 fi
     88 
     89 . "${DIR}/conf/${h}.conf"
     90 
     91 selected_sets="$sets"
     92 
     93 OPTIND=1
     94 while getopts "$OPTS" f
     95 do
     96 	case $f in
     97 	K)	release="$OPTARG";;
     98 	R)	kerneldir="$OPTARG";;
     99 	S)	src="$OPTARG";;
    100 	c)	custom="$OPTARG";;
    101 	h)	;;
    102 	s)	size="$OPTARG";;
    103 	x)	selected_sets="$sets $xsets";;
    104 	*)	usage;;
    105 	esac
    106 done
    107 
    108 trap cleanup 0 1 2 3 15
    109 
    110 shift $(( "$OPTIND" - 1 ))
    111 if [ -n "$1" ]; then
    112 	# take the next argument as being the image name
    113 	image="$1"
    114 	shift
    115 fi
    116 
    117 . "$DIR/conf/rpi.conf"
    118 
    119 echo ${bar} configuring sets ${bar}
    120 (echo '/set type=dir uname=root gname=wheel mode=0755'
    121 for i in $selected_sets; do
    122 	s="${release}/etc/mtree/set.$i"
    123 	[ -f "$s" ] && cat "$s"
    124 done) > "$tmp/selected_sets"
    125 
    126 make_fstab
    127 customize
    128 populate
    129 
    130 (cd ${mnt}; mtree -c -k all | mtree -C -k all) >> "$tmp/selected_sets"
    131 if [ -n ${msdosid} ]; then
    132 	echo ${bar} Populating msdos filesystem ${bar}
    133 	makefs -t msdos -O $((${init} / 2))m -s $((${boot} / 2))m \
    134 	    ${image} ${mnt}/boot
    135 fi
    136 
    137 echo ${bar} Populating ffs filesystem ${bar}
    138 makefs -t ffs -rx -O $(((${init} + ${boot} + ${swap}) / 2))m \
    139     -F "$tmp/selected_sets" ${image} "${release}" "${mnt}"
    140 
    141 if [ -z "$size" ]; then
    142 	size=$(getsize ${image})
    143 fi
    144 newsize=$((size / 2 / 1024))
    145 
    146 echo ${bar} Adding label ${bar}
    147 make_label > ${tmp}/label
    148 disklabel -R -F ${image} ${tmp}/label
    149 if [ -n ${msdosid} ]; then
    150 	echo ${bar} Running fdisk ${bar}
    151 	fdisk -f -u -0 -s ${msdosid}/${init}/${boot} -F ${image}
    152 fi
    153 echo ${bar} Image is ${image} ${bar}
    154