#!/bin/sh
#-
# Copyright (c) 2015 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/armv6 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}
	chroot ${CHROOTDIR} gpart add -t '!12' -a 63 -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 ${CHROOTDIR} newfs -U -L rootfs /dev/${mddev}s2a
	chroot ${CHROOTDIR} tunefs -j enable -N enable /dev/${mddev}s2a

	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 groupadd freebsd -g 1001
	chroot ${CHROOTDIR} /usr/sbin/pw 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 usermod root -w yes

	return 0
}

arm_install_base() {
	chroot ${CHROOTDIR} mount /dev/${mddev}s2a ${DESTDIR}
	eval chroot ${CHROOTDIR} make -C ${WORLDDIR} \
		TARGET=${EMBEDDED_TARGET} \
		TARGET_ARCH=${EMBEDDED_TARGET_ARCH} \
		DESTDIR=${DESTDIR} KERNCONF=${KERNEL} \
		installworld installkernel distribution
	chroot ${CHROOTDIR} mkdir -p ${DESTDIR}/boot/msdos

	arm_create_user

	echo '# Custom /etc/fstab for FreeBSD embedded images' \
		> ${CHROOTDIR}/${DESTDIR}/etc/fstab
	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
	echo "md /tmp mfs rw,noatime,-s30m 0 0" \
		>> ${CHROOTDIR}/${DESTDIR}/etc/fstab
	echo "md /var/log mfs rw,noatime,-s15m 0 0" \
		>> ${CHROOTDIR}/${DESTDIR}/etc/fstab
	echo "md /var/tmp mfs rw,noatime,-s12m 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_uboot() {
	# Override in the arm/KERNEL.conf file.

	return 0
}