diff --git a/release/tools/arm.subr b/release/tools/arm.subr
index e73a6c0e6ff7..3dea17339958 100644
--- a/release/tools/arm.subr
+++ b/release/tools/arm.subr
@@ -1,275 +1,275 @@
 #!/bin/sh
 #-
 # Copyright (c) 2015-2017 The FreeBSD Foundation
 # All rights reserved.
 #
 # Portions of this software were developed by Glen Barber
 # under sponsorship from the FreeBSD Foundation.
 #
 # Redistribution and use in source and binary forms, with or without
 # modification, are permitted provided that the following conditions
 # are met:
 # 1. Redistributions of source code must retain the above copyright
 #    notice, this list of conditions and the following disclaimer.
 # 2. Redistributions in binary form must reproduce the above copyright
 #    notice, this list of conditions and the following disclaimer in the
 #    documentation and/or other materials provided with the distribution.
 #
 # THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
 # ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 # IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 # ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
 # FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 # DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 # OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 # HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 # LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 # OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 # SUCH DAMAGE.
 #
 # Common subroutines used to build arm, arm64, or RISC-V SD card images.
 #
 # $FreeBSD$
 #
 
 cleanup() {
 	if [ -c "${DESTDIR}/dev/null" ]; then
 		umount_loop ${DESTDIR}/dev 2>/dev/null
 	fi
 	umount_loop ${DESTDIR}
 	if [ ! -z "${mddev}" ]; then
 		mdconfig -d -u ${mddev}
 	fi
 
 	return 0
 }
 
 umount_loop() {
 	DIR=$1
 	i=0
 	sync
 	while ! umount ${DIR}; do
 		i=$(( $i + 1 ))
 		if [ $i -ge 10 ]; then
 			# This should never happen.  But, it has happened.
 			echo "Cannot umount(8) ${DIR}"
 			echo "Something has gone horribly wrong."
 			return 1
 		fi
 		sleep 1
 	done
 
 	return 0
 }
 
 arm_create_disk() {
 	# Create the target raw file and temporary work directory.
 	chroot ${CHROOTDIR} gpart create -s ${PART_SCHEME} ${mddev}
 	if [ "${PART_SCHEME}" = "GPT" ]; then
 		chroot ${CHROOTDIR} gpart add -t efi -l efi -a 512k -s ${FAT_SIZE} ${mddev}
 		chroot ${CHROOTDIR} newfs_msdos -L efi -F ${FAT_TYPE} /dev/${mddev}p1
 		chroot ${CHROOTDIR} gpart add -t freebsd-ufs -l rootfs -a 64k ${mddev}
 		chroot ${CHROOTDIR} newfs -U -L rootfs /dev/${mddev}p2
 	fi
 	if [ "${PART_SCHEME}" = "MBR" ]; then
 		chroot ${CHROOTDIR} gpart add -t '!12' -a 512k -s ${FAT_SIZE} ${mddev}
 		chroot ${CHROOTDIR} gpart set -a active -i 1 ${mddev}
 		chroot ${CHROOTDIR} newfs_msdos -L msdosboot -F ${FAT_TYPE} /dev/${mddev}s1
 		chroot ${CHROOTDIR} gpart add -t freebsd ${mddev}
 		chroot ${CHROOTDIR} gpart create -s bsd ${mddev}s2
-		chroot ${CHROOTDIR} gpart add -t freebsd-ufs -a 64k /dev/${mddev}s2
+		chroot ${CHROOTDIR} gpart add -t freebsd-ufs -a 64k ${mddev}s2
 		chroot ${CHROOTDIR} newfs -U -L rootfs /dev/${mddev}s2a
 	fi
 
 	return 0
 }
 
 arm_create_user() {
 	# Create a default user account 'freebsd' with the password 'freebsd',
 	# and set the default password for the 'root' user to 'root'.
 	chroot ${CHROOTDIR} /usr/sbin/pw -R ${DESTDIR} \
 		groupadd freebsd -g 1001
 	chroot ${CHROOTDIR} mkdir -p ${DESTDIR}/home/freebsd
 	chroot ${CHROOTDIR} /usr/sbin/pw -R ${DESTDIR} \
 		useradd freebsd \
 		-m -M 0755 -w yes -n freebsd -u 1001 -g 1001 -G 0 \
 		-c 'FreeBSD User' -d '/home/freebsd' -s '/bin/csh'
 	chroot ${CHROOTDIR} /usr/sbin/pw -R ${DESTDIR} \
 		usermod root -w yes
 
 	return 0
 }
 
 arm_setup_usb_otg() {
 	# Set up virtual serial port over USB OTG / device mode.
 	echo >> ${CHROOTDIR}/${DESTDIR}/etc/devd.conf
 	echo '# Required for USB OTG virtual serial port.' \
 		>> ${CHROOTDIR}/${DESTDIR}/etc/devd.conf
 	echo 'notify 100 {' \
 		>> ${CHROOTDIR}/${DESTDIR}/etc/devd.conf
 	echo '	match "system"		"DEVFS";' \
 		>> ${CHROOTDIR}/${DESTDIR}/etc/devd.conf
 	echo '	match "subsystem"	"CDEV";' \
 		>> ${CHROOTDIR}/${DESTDIR}/etc/devd.conf
 	echo '	match "type"		"CREATE";' \
 		>> ${CHROOTDIR}/${DESTDIR}/etc/devd.conf
 	echo '	match "cdev"		"ttyU[0-9]+";' \
 		>> ${CHROOTDIR}/${DESTDIR}/etc/devd.conf
 	echo '	action "/sbin/init q";' \
 		>> ${CHROOTDIR}/${DESTDIR}/etc/devd.conf
 	echo '};' \
 		>> ${CHROOTDIR}/${DESTDIR}/etc/devd.conf
 
 	echo '# USB OTG virtual serial port' \
 		>> ${CHROOTDIR}/${DESTDIR}/etc/ttys
 	echo 'ttyU0	"/usr/libexec/getty 3wire"	vt100	onifconsole  secure' \
 		>> ${CHROOTDIR}/${DESTDIR}/etc/ttys
 	echo 'ttyU1	"/usr/libexec/getty 3wire"	vt100	onifconsole  secure' \
 		>> ${CHROOTDIR}/${DESTDIR}/etc/ttys
 
 	echo '# Configure USB OTG; see usb_template(4).' \
 		>> ${CHROOTDIR}/${DESTDIR}/boot/loader.conf
 	echo 'hw.usb.template=3' \
 		>> ${CHROOTDIR}/${DESTDIR}/boot/loader.conf
 	echo 'umodem_load="YES"' \
 	     >> ${CHROOTDIR}/${DESTDIR}/boot/loader.conf
 }
 
 arm64_setup_multicons() {
 	if [ "${EMBEDDED_TARGET_ARCH}" != "aarch64" ]; then
 		return
 	fi
 
 	echo '# Multiple console (serial+efi gop) enabled.' \
 		>> ${CHROOTDIR}/${DESTDIR}/boot/loader.conf
 	echo 'boot_multicons="YES"' \
 	     >> ${CHROOTDIR}/${DESTDIR}/boot/loader.conf
 	echo 'boot_serial="YES"' \
 	     >> ${CHROOTDIR}/${DESTDIR}/boot/loader.conf
 }
 
 arm_setup_fdt_overlays() {
 	if [ -z "${FDT_OVERLAYS}" ]; then
 		return
 	fi
 
 	echo '# DTB OVERLAYS' \
 		>> ${CHROOTDIR}/${DESTDIR}/boot/loader.conf
 	echo "fdt_overlays=\"${FDT_OVERLAYS}\"" \
 	     >> ${CHROOTDIR}/${DESTDIR}/boot/loader.conf
 }
 
 arm_setup_minimal_loader() {
 	echo '# Disable the beastie menu and color' \
 		>> ${CHROOTDIR}/${DESTDIR}/boot/loader.conf
 	echo 'beastie_disable="YES"' \
 		>> ${CHROOTDIR}/${DESTDIR}/boot/loader.conf
 	echo 'loader_color="NO"' \
 		>> ${CHROOTDIR}/${DESTDIR}/boot/loader.conf
 }
 
 arm_install_base() {
 	if [ "${PART_SCHEME}" = "GPT" ]; then
 		chroot ${CHROOTDIR} mount /dev/${mddev}p2 ${DESTDIR}
 	fi
 	if [ "${PART_SCHEME}" = "MBR" ]; then
 		chroot ${CHROOTDIR} mount /dev/${mddev}s2a ${DESTDIR}
 	fi
 	_OSVERSION=$(chroot ${CHROOTDIR} /usr/bin/uname -U)
 	REVISION=$(chroot ${CHROOTDIR} make -C /usr/src/release -V REVISION)
 	BRANCH=$(chroot ${CHROOTDIR} make -C /usr/src/release -V BRANCH)
 	export UNAME_r=${REVISION}-${BRANCH}
 	eval chroot ${CHROOTDIR} make -C ${WORLDDIR} \
 		TARGET=${EMBEDDED_TARGET} \
 		TARGET_ARCH=${EMBEDDED_TARGET_ARCH} \
 		DESTDIR=${DESTDIR} KERNCONF=${KERNEL} \
 		${CONF_FILES} installworld installkernel distribution
 	chroot ${CHROOTDIR} mkdir -p ${DESTDIR}/boot/efi
 	chroot ${CHROOTDIR} mkdir -p ${DESTDIR}/boot/msdos
 
 	arm_create_user
 	arm_setup_usb_otg
 	arm64_setup_multicons
 	arm_setup_fdt_overlays
 	arm_setup_minimal_loader
 	arm_do_quirk
 
 	echo '# Custom /etc/fstab for FreeBSD embedded images' \
 		> ${CHROOTDIR}/${DESTDIR}/etc/fstab
 	if [ "${PART_SCHEME}" = "GPT" ]; then
 		echo "/dev/ufs/rootfs		/		ufs	rw		1	1" \
 			>> ${CHROOTDIR}/${DESTDIR}/etc/fstab
 		echo "/dev/msdosfs/EFI		/boot/efi	msdosfs	rw,noatime	0	0" \
 			>> ${CHROOTDIR}/${DESTDIR}/etc/fstab
 	fi
 	if [ "${PART_SCHEME}" = "MBR" ]; then
 		echo "/dev/ufs/rootfs		/		ufs	rw		1	1" \
 			>> ${CHROOTDIR}/${DESTDIR}/etc/fstab
 		echo "/dev/msdosfs/MSDOSBOOT	/boot/msdos 	msdosfs	rw,noatime	0	0" \
 			>> ${CHROOTDIR}/${DESTDIR}/etc/fstab
 	fi
 	echo "tmpfs			/tmp		tmpfs	rw,mode=1777	0	0" \
 		>> ${CHROOTDIR}/${DESTDIR}/etc/fstab
 
 	local hostname
 	hostname="$(echo ${KERNEL} | tr '[:upper:]' '[:lower:]')"
 	echo "hostname=\"${hostname}\"" > ${CHROOTDIR}/${DESTDIR}/etc/rc.conf
 	echo 'ifconfig_DEFAULT="DHCP"' >> ${CHROOTDIR}/${DESTDIR}/etc/rc.conf
 	echo 'sshd_enable="YES"' >> ${CHROOTDIR}/${DESTDIR}/etc/rc.conf
 	echo 'sendmail_enable="NONE"' >> ${CHROOTDIR}/${DESTDIR}/etc/rc.conf
 	echo 'sendmail_submit_enable="NO"' >> ${CHROOTDIR}/${DESTDIR}/etc/rc.conf
 	echo 'sendmail_outbound_enable="NO"' >> ${CHROOTDIR}/${DESTDIR}/etc/rc.conf
 	echo 'sendmail_msp_queue_enable="NO"' >> ${CHROOTDIR}/${DESTDIR}/etc/rc.conf
 	echo 'growfs_enable="YES"' >> ${CHROOTDIR}/${DESTDIR}/etc/rc.conf
 
 	sync
 	umount_loop ${CHROOTDIR}/${DESTDIR}
 
 	return 0
 }
 
 arm_install_boot() {
 	FATMOUNT="${DESTDIR%${KERNEL}}/fat"
 	UFSMOUNT="${DESTDIR%${KERNEL}}/ufs"
 	chroot ${CHROOTDIR} mkdir -p "${FATMOUNT}" "${UFSMOUNT}"
 	if [ "${PART_SCHEME}" = "GPT" ]; then
 		dospart="/dev/${mddev}p1"
 		ufspart="/dev/${mddev}p2"
 	fi
 	if [ "${PART_SCHEME}" = "MBR" ]; then
 		dospart="/dev/${mddev}s1"
 		ufspart="/dev/${mddev}s2a"
 	fi
 
 	chroot ${CHROOTDIR} mount_msdosfs ${dospart} ${FATMOUNT}
 	chroot ${CHROOTDIR} mount ${ufspart} ${UFSMOUNT}
 
 	BOOTFILES="$(chroot ${CHROOTDIR} \
 		env TARGET=${EMBEDDED_TARGET} TARGET_ARCH=${EMBEDDED_TARGET_ARCH} \
 		WITH_UNIFIED_OBJDIR=yes \
 		make -C ${WORLDDIR}/stand -V .OBJDIR)"
 	BOOTFILES="$(chroot ${CHROOTDIR} realpath ${BOOTFILES})"
 
 	chroot ${CHROOTDIR} mkdir -p ${FATMOUNT}/EFI/BOOT
 	chroot ${CHROOTDIR} cp -p ${BOOTFILES}/efi/loader_lua/loader_lua.efi \
 		${FATMOUNT}/EFI/BOOT/$(efi_boot_name ${EMBEDDED_TARGET})
 
 	chroot ${CHROOTDIR} cp -R ${UFSMOUNT}/boot/dtb ${FATMOUNT}
 
 	chroot ${CHROOTDIR} touch ${UFSMOUNT}/firstboot
 	sync
 	umount_loop ${CHROOTDIR}/${FATMOUNT}
 	umount_loop ${CHROOTDIR}/${UFSMOUNT}
 	chroot ${CHROOTDIR} rmdir ${FATMOUNT}
 	chroot ${CHROOTDIR} rmdir ${UFSMOUNT}
 }
 
 arm_install_uboot() {
 	# Override in the ${EMBEDDED_TARGET}/${BOARDNAME}.conf file.
 
 	return 0
 }
 
 arm_do_quirk() {
 	# Override in the ${EMBEDDED_TARGET}/${BOARDNAME}.conf file.
 }