1#!/bin/sh 2# 3# Module: mkisoimages.sh 4# Author: Jordan K Hubbard 5# Date: 22 June 2001 6# 7# $FreeBSD: releng/10.2/release/sparc64/mkisoimages.sh 253676 2013-07-26 14:23:25Z marius $ 8# 9# This script is used by release/Makefile to build the (optional) ISO images 10# for a FreeBSD release. It is considered architecture dependent since each 11# platform has a slightly unique way of making bootable CDs. This script 12# is also allowed to generate any number of images since that is more of 13# publishing decision than anything else. 14# 15# Usage: 16# 17# mkisoimages.sh [-b] image-label image-name base-bits-dir [extra-bits-dir] 18# 19# Where -b is passed if the ISO image should be made "bootable" by 20# whatever standards this architecture supports (may be unsupported), 21# image-label is the ISO image label, image-name is the filename of the 22# resulting ISO image, base-bits-dir contains the image contents and 23# extra-bits-dir, if provided, contains additional files to be merged 24# into base-bits-dir as part of making the image. 25if [ $# -lt 3 ]; then 26 echo Usage: $0 '[-b] image-label image-name base-bits-dir [extra-bits-dir]' > /dev/stderr 27 exit 1 28fi 29 30case $1 in 31-b) BOPT=$1; shift ;; 32esac 33LABEL=`echo $1 | tr '[:lower:]' '[:upper:]'`; shift 34NAME=$1; shift 35BASEBITSDIR=$1 36 37# Create an ISO image 38publisher="The FreeBSD Project. http://www.FreeBSD.org/" 39echo "/dev/iso9660/$LABEL / cd9660 ro 0 0" > "${BASEBITSDIR}/etc/fstab" 40makefs -t cd9660 -o rockridge -o label="$LABEL" -o publisher="$publisher" ${NAME}.tmp $* 41rm "${BASEBITSDIR}/etc/fstab" 42 43if [ "x$BOPT" != "x-b" ]; then 44 mv ${NAME}.tmp ${NAME} 45 exit 0 46fi 47 48TMPIMGDIR=`mktemp -d /tmp/bootfs.XXXXXXXX` || exit 1 49BOOTFSDIR="${TMPIMGDIR}/bootfs" 50BOOTFSIMG="${TMPIMGDIR}/bootfs.img" 51 52# Create a boot filesystem 53mkdir -p "${BOOTFSDIR}/boot" 54cp -p "${BASEBITSDIR}/boot/loader" "${BOOTFSDIR}/boot" 55makefs -t ffs -B be -M 512k "${BOOTFSIMG}" "${BOOTFSDIR}" 56dd if="${BASEBITSDIR}/boot/boot1" of="${BOOTFSIMG}" bs=512 conv=notrunc,sync 57 58# Create a boot ISO image 59: ${CYLSIZE:=640} 60ISOSIZE=$(stat -f %z ${NAME}.tmp) 61ISOBLKS=$(((${ISOSIZE} + 511) / 512)) 62ISOCYLS=$(((${ISOBLKS} + (${CYLSIZE} - 1)) / ${CYLSIZE})) 63 64BOOTFSSIZE=$(stat -f %z "${BOOTFSIMG}") 65BOOTFSBLKS=$(((${BOOTFSSIZE} + 511) / 512)) 66BOOTFSCYLS=$(((${BOOTFSBLKS} + (${CYLSIZE} - 1)) / ${CYLSIZE})) 67 68ENDCYL=$((${ISOCYLS} + ${BOOTFSCYLS})) 69NSECTS=$((${ENDCYL} * 1 * ${CYLSIZE})) 70 71dd if=${NAME}.tmp of=${NAME} bs=${CYLSIZE}b conv=notrunc,sync 72dd if=${BOOTFSIMG} of=${NAME} bs=${CYLSIZE}b seek=${ISOCYLS} conv=notrunc,sync 73# The number of alternative cylinders is always 2. 74dd if=/dev/zero of=${NAME} bs=${CYLSIZE}b seek=${ENDCYL} count=2 conv=notrunc,sync 75rm -rf ${NAME}.tmp ${TMPIMGDIR} 76 77# Write VTOC8 label to boot ISO image 78MD=`mdconfig -a -t vnode -S 512 -y 1 -x ${CYLSIZE} -f ${NAME}` 79gpart create -s VTOC8 ${MD} 80# !4: usr, for ISO image part 81gpart add -i 1 -s $((${ISOCYLS} * ${CYLSIZE} * 512))b -t \!4 ${MD} 82# !2: root, for bootfs part. 83gpart add -i 6 -s $((${BOOTFSCYLS} * ${CYLSIZE} * 512))b -t \!2 ${MD} 84mdconfig -d -u ${MD#md} 85