100 lines
2.8 KiB
Bash
100 lines
2.8 KiB
Bash
#!/bin/sh
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#
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# Module: mkisoimages.sh
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# Author: Jordan K Hubbard
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# Date: 22 June 2001
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#
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# $FreeBSD$
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#
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# This script is used by release/Makefile to build the (optional) ISO images
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# for a FreeBSD release. It is considered architecture dependent since each
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# platform has a slightly unique way of making bootable CDs. This script
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# is also allowed to generate any number of images since that is more of
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# publishing decision than anything else.
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#
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# Usage:
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#
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# mkisoimages.sh [-b] image-label image-name base-bits-dir [extra-bits-dir]
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#
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# Where -b is passed if the ISO image should be made "bootable" by
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# whatever standards this architecture supports (may be unsupported),
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# image-label is the ISO image label, image-name is the filename of the
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# resulting ISO image, base-bits-dir contains the image contents and
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# extra-bits-dir, if provided, contains additional files to be merged
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# into base-bits-dir as part of making the image.
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set -e
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scriptdir=$(dirname $(realpath $0))
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. ${scriptdir}/../../tools/boot/install-boot.sh
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if [ -z $ETDUMP ]; then
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ETDUMP=etdump
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fi
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if [ -z $MAKEFS ]; then
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MAKEFS=makefs
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fi
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if [ -z $MKIMG ]; then
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MKIMG=mkimg
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fi
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if [ "$1" = "-b" ]; then
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BASEBITSDIR="$4"
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# This is highly x86-centric and will be used directly below.
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bootable="-o bootimage=i386;$BASEBITSDIR/boot/cdboot -o no-emul-boot"
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# Make EFI system partition.
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espfilename=$(mktemp /tmp/efiboot.XXXXXX)
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# ESP file size in KB.
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espsize="2048"
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make_esp_file ${espfilename} ${espsize} ${BASEBITSDIR}/boot/loader.efi
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bootable="$bootable -o bootimage=i386;${espfilename} -o no-emul-boot -o platformid=efi"
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shift
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else
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BASEBITSDIR="$3"
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bootable=""
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fi
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if [ $# -lt 3 ]; then
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echo "Usage: $0 [-b] image-label image-name base-bits-dir [extra-bits-dir]"
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exit 1
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fi
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LABEL=`echo "$1" | tr '[:lower:]' '[:upper:]'`; shift
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NAME="$1"; shift
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publisher="The FreeBSD Project. https://www.FreeBSD.org/"
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echo "/dev/iso9660/$LABEL / cd9660 ro 0 0" > "$BASEBITSDIR/etc/fstab"
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$MAKEFS -t cd9660 $bootable -o rockridge -o label="$LABEL" -o publisher="$publisher" "$NAME" "$@"
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rm -f "$BASEBITSDIR/etc/fstab"
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rm -f ${espfilename}
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if [ "$bootable" != "" ]; then
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# Look for the EFI System Partition image we dropped in the ISO image.
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for entry in `$ETDUMP --format shell $NAME`; do
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eval $entry
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if [ "$et_platform" = "efi" ]; then
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espstart=`expr $et_lba \* 2048`
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espsize=`expr $et_sectors \* 512`
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espparam="-p efi::$espsize:$espstart"
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break
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fi
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done
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# Create a GPT image containing the partitions we need for hybrid boot.
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imgsize=`stat -f %z "$NAME"`
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$MKIMG -s gpt \
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--capacity $imgsize \
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-b "$BASEBITSDIR/boot/pmbr" \
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$espparam \
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-p freebsd-boot:="$BASEBITSDIR/boot/isoboot" \
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-o hybrid.img
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# Drop the PMBR, GPT, and boot code into the System Area of the ISO.
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dd if=hybrid.img of="$NAME" bs=32k count=1 conv=notrunc
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rm -f hybrid.img
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fi
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