mirror of
https://github.com/opnsense/src.git
synced 2026-04-22 14:49:36 -04:00
4ef1c6f75d
The removal of the sparc64 support in February 2020 obsoleted the VTOC8 partitioning scheme as no other FreeBSD platform makes use of it. Moreover, the code is bitrotting as nothing defines e. g. LOADER_VTOC8_SUPPORT any more and, thus, should go now, too. With this change, the following commits are reverted as far as VTOC8 is concerned and parts haven't already previously been deleted along with prior sparc64 removals:094fcb157da7d366e958ba8d50d08bThe alignment exampled9711c28efadded to the VTOC8 section of gpart.8 is folded into the MBR one. This should finally conclude the deorbit of sparc64-specific bits. We had joy, we had fun we ran Unix on a Sun. But that source and the song of FreeBSD have all gone. Credits to Michael Bueker for the original "Unix on a Sun" and Rod McKuen for the "Seasons in the Sun" lyrics.
431 lines
11 KiB
Bash
Executable file
431 lines
11 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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# Minimum size of FAT filesystems, in KB.
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fat32min=33292
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fat16min=2100
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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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get_uefi_bootname() {
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case ${TARGET:-$(uname -m)} in
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amd64) echo bootx64 ;;
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arm64) echo bootaa64 ;;
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i386) echo bootia32 ;;
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arm) echo bootarm ;;
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riscv) echo bootriscv64 ;;
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*) die "machine type $(uname -m) doesn't support UEFI" ;;
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esac
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}
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make_esp_file() {
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local file sizekb loader device stagedir fatbits efibootname
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file=$1
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sizekb=$2
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loader=$3
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if [ "$sizekb" -ge "$fat32min" ]; then
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fatbits=32
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elif [ "$sizekb" -ge "$fat16min" ]; then
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fatbits=16
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else
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fatbits=12
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fi
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stagedir=$(mktemp -d /tmp/stand-test.XXXXXX)
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mkdir -p "${stagedir}/EFI/BOOT"
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efibootname=$(get_uefi_bootname)
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cp "${loader}" "${stagedir}/EFI/BOOT/${efibootname}.efi"
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makefs -t msdos \
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-o fat_type=${fatbits} \
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-o sectors_per_cluster=1 \
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-o volume_label=EFISYS \
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-s ${sizekb}k \
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"${file}" "${stagedir}"
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rm -rf "${stagedir}"
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}
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make_esp_device() {
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local dev file mntpt fstype efibootname kbfree loadersize efibootfile
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local isboot1 existingbootentryloaderfile bootorder bootentry
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# ESP device node
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dev=$1
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file=$2
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mntpt=$(mktemp -d /tmp/stand-test.XXXXXX)
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# See if we're using an existing (formatted) ESP
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fstype=$(fstyp "${dev}")
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if [ "${fstype}" != "msdosfs" ]; then
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newfs_msdos -F 32 -c 1 -L EFISYS "${dev}" > /dev/null 2>&1
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fi
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mount -t msdosfs "${dev}" "${mntpt}"
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if [ $? -ne 0 ]; then
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die "Failed to mount ${dev} as an msdosfs filesystem"
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fi
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echo "Mounted ESP ${dev} on ${mntpt}"
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efibootname=$(get_uefi_bootname)
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kbfree=$(df -k "${mntpt}" | tail -1 | cut -w -f 4)
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loadersize=$(stat -f %z "${file}")
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loadersize=$((loadersize / 1024))
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# Check if /EFI/BOOT/BOOTxx.EFI is the FreeBSD boot1.efi
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# If it is, remove it to avoid leaving stale files around
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efibootfile="${mntpt}/EFI/BOOT/${efibootname}.efi"
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if [ -f "${efibootfile}" ]; then
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isboot1=$(strings "${efibootfile}" | grep "FreeBSD EFI boot block")
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if [ -n "${isboot1}" ] && [ "$kbfree" -lt "${loadersize}" ]; then
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echo "Only ${kbfree}KB space remaining: removing old FreeBSD boot1.efi file /EFI/BOOT/${efibootname}.efi"
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rm "${efibootfile}"
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rmdir "${mntpt}/EFI/BOOT"
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else
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echo "${kbfree}KB space remaining on ESP: renaming old boot1.efi file /EFI/BOOT/${efibootname}.efi /EFI/BOOT/${efibootname}-old.efi"
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mv "${efibootfile}" "${mntpt}/EFI/BOOT/${efibootname}-old.efi"
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fi
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fi
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if [ ! -f "${mntpt}/EFI/freebsd/loader.efi" ] && [ "$kbfree" -lt "$loadersize" ]; then
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umount "${mntpt}"
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rmdir "${mntpt}"
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echo "Failed to update the EFI System Partition ${dev}"
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echo "Insufficient space remaining for ${file}"
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echo "Run e.g \"mount -t msdosfs ${dev} /mnt\" to inspect it for files that can be removed."
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die
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fi
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mkdir -p "${mntpt}/EFI/freebsd"
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# Keep a copy of the existing loader.efi in case there's a problem with the new one
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if [ -f "${mntpt}/EFI/freebsd/loader.efi" ] && [ "$kbfree" -gt "$((loadersize * 2))" ]; then
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cp "${mntpt}/EFI/freebsd/loader.efi" "${mntpt}/EFI/freebsd/loader-old.efi"
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fi
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echo "Copying loader to /EFI/freebsd on ESP"
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cp "${file}" "${mntpt}/EFI/freebsd/loader.efi"
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if [ -n "${updatesystem}" ]; then
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existingbootentryloaderfile=$(efibootmgr -v | grep "${mntpt}//EFI/freebsd/loader.efi")
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if [ -z "$existingbootentryloaderfile" ]; then
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# Try again without the double forward-slash in the path
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existingbootentryloaderfile=$(efibootmgr -v | grep "${mntpt}/EFI/freebsd/loader.efi")
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fi
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if [ -z "$existingbootentryloaderfile" ]; then
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echo "Creating UEFI boot entry for FreeBSD"
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efibootmgr --create --label FreeBSD --loader "${mntpt}/EFI/freebsd/loader.efi" > /dev/null
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if [ $? -ne 0 ]; then
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die "Failed to create new boot entry"
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fi
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# When creating new entries, efibootmgr doesn't mark them active, so we need to
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# do so. It doesn't make it easy to find which entry it just added, so rely on
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# the fact that it places the new entry first in BootOrder.
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bootorder=$(efivar --name 8be4df61-93ca-11d2-aa0d-00e098032b8c-BootOrder --print --no-name --hex | head -1)
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bootentry=$(echo "${bootorder}" | cut -w -f 3)$(echo "${bootorder}" | cut -w -f 2)
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echo "Marking UEFI boot entry ${bootentry} active"
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efibootmgr --activate "${bootentry}" > /dev/null
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else
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echo "Existing UEFI FreeBSD boot entry found: not creating a new one"
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fi
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else
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# Configure for booting from removable media
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if [ ! -d "${mntpt}/EFI/BOOT" ]; then
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mkdir -p "${mntpt}/EFI/BOOT"
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fi
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cp "${file}" "${mntpt}/EFI/BOOT/${efibootname}.efi"
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fi
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umount "${mntpt}"
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rmdir "${mntpt}"
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echo "Finished updating ESP"
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}
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make_esp() {
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local file loaderfile
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file=$1
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loaderfile=$2
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if [ -f "$file" ]; then
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make_esp_file ${file} ${fat32min} ${loaderfile}
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else
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make_esp_device ${file} ${loaderfile}
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fi
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}
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make_esp_mbr() {
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dev=$1
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dst=$2
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s=$(find_part $dev "!239")
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if [ -z "$s" ] ; then
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s=$(find_part $dev "efi")
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if [ -z "$s" ] ; then
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die "No ESP slice found"
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fi
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fi
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make_esp /dev/${dev}s${s} ${dst}/boot/loader.efi
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}
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make_esp_gpt() {
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dev=$1
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dst=$2
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idx=$(find_part $dev "efi")
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if [ -z "$idx" ] ; then
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die "No ESP partition found"
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fi
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make_esp /dev/${dev}p${idx} ${dst}/boot/loader.efi
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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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}
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boot_nogeli_gpt_ufs_uefi() {
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make_esp_gpt $1 $2
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}
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boot_nogeli_gpt_ufs_both() {
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boot_nogeli_gpt_ufs_legacy $1 $2 $3
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boot_nogeli_gpt_ufs_uefi $1 $2 $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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}
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boot_nogeli_gpt_zfs_uefi() {
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make_esp_gpt $1 $2
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}
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boot_nogeli_gpt_zfs_both() {
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boot_nogeli_gpt_zfs_legacy $1 $2 $3
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boot_nogeli_gpt_zfs_uefi $1 $2 $3
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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} ${dev}
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s=$(find_part $dev "freebsd")
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if [ -z "$s" ] ; then
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die "No freebsd slice found"
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fi
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doit gpart bootcode -p ${mbr2} ${dev}s${s}
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}
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boot_nogeli_mbr_ufs_uefi() {
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make_esp_mbr $1 $2
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}
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boot_nogeli_mbr_ufs_both() {
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boot_nogeli_mbr_ufs_legacy $1 $2 $3
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boot_nogeli_mbr_ufs_uefi $1 $2 $3
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}
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boot_nogeli_mbr_zfs_legacy() {
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dev=$1
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dst=$2
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# search to find the BSD slice
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s=$(find_part $dev "freebsd")
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if [ -z "$s" ] ; then
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die "No BSD slice found"
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fi
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idx=$(find_part ${dev}s${s} "freebsd-zfs")
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if [ -z "$idx" ] ; 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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doit gpart bootcode -b ${dst}/boot/mbr ${dev}
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dd if=${dst}/boot/zfsboot of=/tmp/zfsboot1 count=1
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doit gpart bootcode -b /tmp/zfsboot1 ${dev}s${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}a skip=1 seek=1024
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sysctl kern.geom.debugflags=0x0
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}
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boot_nogeli_mbr_zfs_uefi() {
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make_esp_mbr $1 $2
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}
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boot_nogeli_mbr_zfs_both() {
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boot_nogeli_mbr_zfs_legacy $1 $2 $3
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boot_nogeli_mbr_zfs_uefi $1 $2 $3
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}
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boot_geli_gpt_ufs_legacy() {
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boot_nogeli_gpt_ufs_legacy $1 $2 $3
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}
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boot_geli_gpt_ufs_uefi() {
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boot_nogeli_gpt_ufs_uefi $1 $2 $3
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}
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boot_geli_gpt_ufs_both() {
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boot_nogeli_gpt_ufs_both $1 $2 $3
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}
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boot_geli_gpt_zfs_legacy() {
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boot_nogeli_gpt_zfs_legacy $1 $2 $3
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}
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boot_geli_gpt_zfs_uefi() {
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boot_nogeli_gpt_zfs_uefi $1 $2 $3
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}
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boot_geli_gpt_zfs_both() {
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boot_nogeli_gpt_zfs_both $1 $2 $3
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}
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# GELI+MBR is not a valid configuration
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boot_geli_mbr_ufs_legacy() {
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exit 1
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}
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boot_geli_mbr_ufs_uefi() {
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exit 1
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}
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boot_geli_mbr_ufs_both() {
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exit 1
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}
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boot_geli_mbr_zfs_legacy() {
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exit 1
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}
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boot_geli_mbr_zfs_uefi() {
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exit 1
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}
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boot_geli_mbr_zfs_both() {
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exit 1
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}
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usage() {
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printf 'Usage: %s -b bios [-d destdir] -f fs [-g geli] [-h] [-o optargs] -s scheme <bootdev>\n' "$0"
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printf 'Options:\n'
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printf ' bootdev device to install the boot code on\n'
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printf ' -b bios bios type: legacy, uefi or both\n'
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printf ' -d destdir destination filesystem root\n'
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printf ' -f fs filesystem type: ufs or zfs\n'
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printf ' -g geli yes or no\n'
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printf ' -h this help/usage text\n'
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printf ' -u Run commands such as efibootmgr to update the\n'
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printf ' currently running system\n'
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printf ' -o optargs optional arguments\n'
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printf ' -s scheme mbr or gpt\n'
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exit 0
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}
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srcroot=/
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# Note: we really don't support geli boot in this script yet.
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geli=nogeli
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while getopts "b:d:f:g:ho:s:u" opt; do
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case "$opt" in
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b)
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bios=${OPTARG}
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;;
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d)
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srcroot=${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 ${OPTARG} in
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[Yy][Ee][Ss]|geli) geli=geli ;;
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*) geli=nogeli ;;
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esac
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;;
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u)
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updatesystem=1
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;;
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o)
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opts=${OPTARG}
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;;
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s)
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scheme=${OPTARG}
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;;
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?|h)
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usage
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;;
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esac
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done
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if [ -n "${scheme}" ] && [ -n "${fs}" ] && [ -n "${bios}" ]; then
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shift $((OPTIND-1))
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dev=$1
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fi
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# For gpt, we need to install pmbr as the primary boot loader
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# it knows about
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gpt0=${srcroot}/boot/pmbr
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gpt2=${srcroot}/boot/gptboot
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gptzfs2=${srcroot}/boot/gptzfsboot
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# For MBR, we have lots of choices, but select mbr, boot0 has issues with UEFI
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mbr0=${srcroot}/boot/mbr
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mbr2=${srcroot}/boot/boot
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# sanity check here
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# Check if we've been given arguments. If not, this script is probably being
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# sourced, so we shouldn't run anything.
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if [ -n "${dev}" ]; then
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eval boot_${geli}_${scheme}_${fs}_${bios} $dev $srcroot $opts || echo "Unsupported boot env: ${geli}-${scheme}-${fs}-${bios}"
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fi
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