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 BASEBITSDIR="$4" 41 42 # Make an EFI system partition. 43 espfilename=$(mktemp /tmp/efiboot.XXXXXX) 44 # ESP file size in KB. 45 espsize="2048" 46 make_esp_file ${espfilename} ${espsize} ${BASEBITSDIR}/boot/loader.efi 47 48 bootable="-o bootimage=efi;${espfilename} -o no-emul-boot -o platformid=efi" 49 50 shift 51else 52 BASEBITSDIR="$3" 53 bootable="" 54fi 55 56if [ $# -lt 3 ]; then 57 echo "Usage: $0 [-b] image-label image-name base-bits-dir [extra-bits-dir]" 58 exit 1 59fi 60 61LABEL=`echo "$1" | tr '[:lower:]' '[:upper:]'`; shift 62NAME="$1"; shift 63 64publisher="The FreeBSD Project. https://www.FreeBSD.org/" 65echo "/dev/iso9660/$LABEL / cd9660 ro 0 0" > "$BASEBITSDIR/etc/fstab" 66$MAKEFS -t cd9660 $bootable -o rockridge -o label="$LABEL" -o publisher="$publisher" "$NAME" "$@" 67rm -f "$BASEBITSDIR/etc/fstab" 68rm -f ${espfilename} 69 70if [ "$bootable" != "" ]; then 71 # Look for the EFI System Partition image we dropped in the ISO image. 72 for entry in `$ETDUMP --format shell $NAME`; do 73 eval $entry 74 # XXX: etdump(8) returns "default" for the initial entry 75 if [ "$et_platform" = "default" ]; then 76 espstart=`expr $et_lba \* 2048` 77 espsize=`expr $et_sectors \* 512` 78 espparam="-p efi::$espsize:$espstart" 79 break 80 fi 81 done 82 83 # Create a GPT image containing the EFI partition. 84 imgsize=`stat -f %z "$NAME"` 85 $MKIMG -s gpt \ 86 --capacity $imgsize \ 87 $espparam \ 88 -o efi.img 89 90 # Drop the GPT into the System Area of the ISO. 91 dd if=efi.img of="$NAME" bs=32k count=1 conv=notrunc 92 rm -f efi.img 93fi 94