9b544478b1
being installed. Fix problem with gpt + zfs installing the wrong loader... Sponsored by: Netflix
134 lines
2.7 KiB
Bash
Executable File
134 lines
2.7 KiB
Bash
Executable File
#!/bin/sh
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# $FreeBSD$
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#
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# Installs/updates the necessary boot blocks for the desired boot environment
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#
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# Lightly tested.. Intended to be installed, but until it matures, it will just
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# be a boot tool for regression testing.
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# insert code here to guess what you have -- yikes!
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die() {
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echo $*
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exit 1
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}
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doit() {
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echo $*
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eval $*
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}
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find-part() {
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dev=$1
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part=$2
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gpart show $dev | tail +2 | awk '$4 == "'$part'" { print $3; }'
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}
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boot_nogeli_gpt_zfs_legacy() {
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dev=$1
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dst=$2
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idx=$(find-part $dev "freebsd-boot")
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if [ -z "$idx" ] ; then
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die "No freebsd-boot partition found"
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fi
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doit gpart bootcode -b ${gpt0} -p ${gptzfs2} -i $idx $dev
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exit 0
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}
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boot_nogeli_gpt_ufs_legacy() {
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dev=$1
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dst=$2
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idx=$(find-part $dev "freebsd-boot")
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if [ -z "$idx" ] ; then
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die "No freebsd-boot partition found"
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fi
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doit gpart bootcode -b ${gpt0} -p ${gpt2} -i $idx $dev
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exit 0
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}
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boot_nogeli_mbr_zfs_legacy() {
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dev=$1
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dst=$2
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# search to find the BSD slice
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s=$(findpart $dev "freebsd-zfs")
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if [ -z "$s" ] ; then
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die "No freebsd-zfs slice found"
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fi
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# search to find the freebsd-zfs partition within the slice
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# Or just assume it is 'a' because it has to be since it fails otherwise
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dd if=${dst}/boot/zfsboot of=/tmp/zfsboot1 count=1
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doit gpart bootcode -b /tmp/zfsboo1 ${dev}s${s} # Put boot1 into the start of part
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sysctl kern.geom.debugflags=0x10 # Put boot2 into ZFS boot slot
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doit dd if=${dst}/boot/zfsboot of=/dev/${dev}s${s} iseek=1 seek=1024
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sysctl kern.geom.debugflags=0x0
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exit 0
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}
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boot_nogeli_mbr_ufs_legacy() {
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dev=$1
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dst=$2
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doit gpart bootcode -b ${mbr0} ${dev}
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s=$(findpart $dev "freebsd-ufs")
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if [ -z "$s" ] ; then
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die "No freebsd-zfs slice found"
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fi
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doit gpart bootcode -p ${mbr2} ${dev}s${s}
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exit 0
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}
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DESTDIR=/
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# Note: we really don't support geli boot in this script yet.
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geli=nogeli
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while getopts "b:d:f:g:o:s:" opt; do
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case "$opt" in
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b)
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bios=${OPTARG}
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;;
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d)
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DESTDIR=${OPTARG}
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;;
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f)
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fs=${OPTARG}
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;;
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g)
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case ${OPTARG} in
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[Yy][Ee][Ss]|geli) geli=geli ;;
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*) geli=nogeli ;;
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esac
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;;
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o)
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opts=${OPTARG}
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;;
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s)
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scheme=${OPTARG}
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;;
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esac
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done
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shift $((OPTIND-1))
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dev=$1
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# For gpt, we need to install pmbr as the primary boot loader
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# it knows about
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gpt0=${DESTDIR}/boot/pmbr
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gpt2=${DESTDIR}/boot/gptboot
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gptzfs2=${DESTDIR}/boot/gptzfsboot
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# For MBR, we have lots of choices, but select boot0
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mbr0=${DESTDIR}/boot/boot0
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mbr2=${DESTDIR}/boot/boot
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# sanity check here
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eval boot_${geli}_${scheme}_${fs}_${bios} $dev $DESTDIR $opts || echo "Unsupported boot env: ${geli}-${scheme}-${fs}-${bios}"
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