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.
13 # mkisoimages.sh [-b] image-label image-name base-bits-dir [extra-bits-dir]
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.
24 scriptdir=$(dirname $(realpath $0))
25 . ${scriptdir}/../../tools/boot/install-boot.sh
27 if [ -z $ETDUMP ]; then
31 if [ -z $MAKEFS ]; then
35 if [ -z $MKIMG ]; then
39 if [ "$1" = "-b" ]; then
42 # Make an EFI system partition.
43 espfilename=$(mktemp /tmp/efiboot.XXXXXX)
44 # ESP file size in KB.
46 make_esp_file ${espfilename} ${espsize} ${BASEBITSDIR}/boot/loader.efi
48 bootable="-o bootimage=efi;${espfilename} -o no-emul-boot -o platformid=efi"
57 echo "Usage: $0 [-b] image-label image-name base-bits-dir [extra-bits-dir]"
61 LABEL=`echo "$1" | tr '[:lower:]' '[:upper:]'`; shift
64 publisher="The FreeBSD Project. https://www.FreeBSD.org/"
65 echo "/dev/iso9660/$LABEL / cd9660 ro 0 0" > "$BASEBITSDIR/etc/fstab"
66 $MAKEFS -t cd9660 $bootable -o rockridge -o label="$LABEL" -o publisher="$publisher" "$NAME" "$@"
67 rm -f "$BASEBITSDIR/etc/fstab"
70 if [ "$bootable" != "" ]; then
71 # Look for the EFI System Partition image we dropped in the ISO image.
72 for entry in `$ETDUMP --format shell $NAME`; do
74 # XXX: etdump(8) returns "default" for the initial entry
75 if [ "$et_platform" = "default" ]; then
76 espstart=`expr $et_lba \* 2048`
77 espsize=`expr $et_sectors \* 512`
78 espparam="-p efi::$espsize:$espstart"
83 # Create a GPT image containing the EFI partition.
84 imgsize=`stat -f %z "$NAME"`
90 # Drop the GPT into the System Area of the ISO.
91 dd if=efi.img of="$NAME" bs=32k count=1 conv=notrunc