#!/bin/sh
#
# Boot startup script for ELWIX RootFS ...
#
# $Id: rc,v 1.1.1.1.6.9 2012/10/10 08:58:49 misho Exp $

stty status '^T'

trap : 2
trap : 3
trap : 18

HOME=/root
PATH=/bin:/sbin:/usr/bin:/usr/sbin:/usr/pkg/bin:/usr/pkg/sbin:/usr/local/bin:/usr/local/sbin
TERM=xterm
BLOCKSIZE=1k
EDITOR=vi
PAGER=less
export HOME PATH TERM BLOCKSIZE EDITOR PAGER

FRMDEV="md1"
FRMSIZE="82m"
FRMFILE="elwix-firmware.sys"
FRMPATH="/elwix"

FIT2CF="/dev/ufs/fit2cf"
CFDIR="/elwix/cf"

umask 022

failed_sysvol()
{
	echo " RootFS: Failed $1 ELWIX $2 ... Go to emergency shell !!!"

	exit 127
}

boot_elwix()
{
	echo " RootFS: Loading ELWIX system firmware"
	if test ! -r $FRMPATH/$FRMFILE; then
		echo " RootFS: WARNING! Failed default firmware image!"
		echo " RootFS:   Try to load ELWIX backup firmware ..."

		FRMPATH="$FRMPATH/altroot"
		if test ! -r $FRMPATH/$FRMFILE; then
			failed_sysvol "load backup and default image" elwix-firmware.sys
		fi
	fi

	mdmfs -s $FRMSIZE -S -m0 -oasync $FRMDEV /usr
	cd /usr
	pax -r -z -pe -f $FRMPATH/$FRMFILE
	cd -
	mount -ur /usr

	sleep 2
}

mount_usr()
{
	echo " RootFS: Mounting ELWIX system image"

	mount -t nullfs -r $FRMPATH/usr /usr
}

#
## main()
#

echo "ELWIX>>> Firmware RootFS boot stage ..."
echo " RootFS: Mount ELWIX system volume"
fsck -q -y 1>/dev/null 2>&1 && mount -a || fsck -y 1>/dev/null 2>&1 && mount -a || \
	fsck -f -y 1>/dev/null 2>&1 && mount -a || failed_sysvol mount "system volume"

if test -c $FIT2CF -a -d $CFDIR; then
	echo " RootFS: Mount ELWIX flash volume"
	fsck -y -tufs $FIT2CF 1>/dev/null 2>&1 && mount -o ro $FIT2CF $CFDIR || \
		fsck -f -y -tufs $FIT2CF 1>/dev/null 2>&1 && mount -o ro $FIT2CF $CFDIR || \
		failed_sysvol mount "flash volume"
fi

if [ -r /elwix/elwix-firmware.sys ]; then
	boot_elwix
else
	if [ -d $FRMPATH/usr ]; then
		mount_usr
	else
		echo " RootFS: Skip loading ELWIX system firmware ..."
	fi
fi

exec /etc/rc.init