1#!/bin/sh 2# 3# $FreeBSD$ 4# 5# This script is used by release/Makefile to build the (optional) ISO images 6# for a FreeBSD release. It is considered architecture dependent since each 7# platform has a slightly unique way of making bootable CDs. This script is 8# also allowed to generate any number of images since that is more of 9# publishing decision than anything else. 10# 11# Usage: 12# 13# mkisoimages.sh [-b] image-label image-name base-bits-dir [extra-bits-dir] 14# 15# Where -b is passed if the ISO image should be made "bootable" by 16# whatever standards this architecture supports (may be unsupported), 17# image-label is the ISO image label, image-name is the filename of the 18# resulting ISO image, base-bits-dir contains the image contents and 19# extra-bits-dir, if provided, contains additional files to be merged 20# into base-bits-dir as part of making the image. 21 22set -e 23 24scriptdir=$(dirname $(realpath $0)) 25. ${scriptdir}/../../tools/boot/install-boot.sh 26 27if [ -z $ETDUMP ]; then 28 ETDUMP=etdump 29fi 30 31if [ -z $MAKEFS ]; then 32 MAKEFS=makefs 33fi 34 35if [ -z $MKIMG ]; then 36 MKIMG=mkimg 37fi 38 39if [ "$1" = "-b" ]; then 40 MAKEFSARG="$4" 41else 42 MAKEFSARG="$3" 43fi 44 45if [ -f ${MAKEFSARG} ]; then 46 BASEBITSDIR=`dirname ${MAKEFSARG}` 47 METALOG=${MAKEFSARG} 48elif [ -d ${MAKEFSARG} ]; then 49 BASEBITSDIR=${MAKEFSARG} 50 METALOG= 51else 52 echo "${MAKEFSARG} must exist" 53 exit 1 54fi 55 56if [ "$1" = "-b" ]; then 57 # Make an EFI system partition. 58 espfilename=$(mktemp /tmp/efiboot.XXXXXX) 59 # ESP file size in KB. 60 espsize="2048" 61 make_esp_file ${espfilename} ${espsize} ${BASEBITSDIR}/boot/loader.efi 62 63 bootable="-o bootimage=efi;${espfilename} -o no-emul-boot -o platformid=efi" 64 65 shift 66else 67 bootable="" 68fi 69 70if [ $# -lt 3 ]; then 71 echo "Usage: $0 [-b] image-label image-name base-bits-dir [extra-bits-dir]" 72 exit 1 73fi 74 75LABEL=`echo "$1" | tr '[:lower:]' '[:upper:]'`; shift 76NAME="$1"; shift 77# MAKEFSARG extracted already 78shift 79 80publisher="The FreeBSD Project. https://www.FreeBSD.org/" 81echo "/dev/iso9660/$LABEL / cd9660 ro 0 0" > "$BASEBITSDIR/etc/fstab" 82if [ -n "${METALOG}" ]; then 83 metalogfilename=$(mktemp /tmp/metalog.XXXXXX) 84 cat ${METALOG} > ${metalogfilename} 85 echo "./etc/fstab type=file uname=root gname=wheel mode=0644" >> ${metalogfilename} 86 MAKEFSARG=${metalogfilename} 87fi 88$MAKEFS -D -N ${BASEBITSDIR}/etc -t cd9660 $bootable -o rockridge -o label="$LABEL" -o publisher="$publisher" "$NAME" "$MAKEFSARG" "$@" 89rm -f "$BASEBITSDIR/etc/fstab" 90rm -f ${espfilename} 91if [ -n "${METALOG}" ]; then 92 rm ${metalogfilename} 93fi 94 95if [ "$bootable" != "" ]; then 96 # Look for the EFI System Partition image we dropped in the ISO image. 97 for entry in `$ETDUMP --format shell $NAME`; do 98 eval $entry 99 # XXX: etdump(8) returns "default" for the initial entry 100 if [ "$et_platform" = "default" ]; then 101 espstart=`expr $et_lba \* 2048` 102 espsize=`expr $et_sectors \* 512` 103 espparam="-p efi::$espsize:$espstart" 104 break 105 fi 106 done 107 108 # Create a GPT image containing the EFI partition. 109 efifilename=$(mktemp /tmp/efi.img.XXXXXX) 110 if [ "$(uname -s)" = "Linux" ]; then 111 imgsize=`stat -c %s "$NAME"` 112 else 113 imgsize=`stat -f %z "$NAME"` 114 fi 115 $MKIMG -s gpt \ 116 --capacity $imgsize \ 117 $espparam \ 118 -o $efifilename 119 120 # Drop the GPT into the System Area of the ISO. 121 dd if=$efifilename of="$NAME" bs=32k count=1 conv=notrunc 122 rm -f $efifilename 123fi 124