#! /bin/bash
#
# KURO-BOX boot selector (Type 2: no-console style)
# (c) 2005-2008 Eiji Kawauchi
# (2008-04-01)

# default values
timeout=3
bootdefault=1
#AVR=/dev/AVR00

menu2="NetBSD(HDD:wd0a)"
loader2=/lib/modules/`/bin/uname -r`/kernel/nbloader_v3.o
kernel2=/boot/netbsd.bin
option2='cmdline="bootdev=wd0a"'

menu3=
loader3=
kernel3=
option3=

menu4=
loader4=
kernel4=
option4=

menu5=
loader5=
kernel5=
option5=

menu6=
loader6=
kernel6=
option6=

menu7=
loader7=
kernel7=
option7=

menu8=
loader8=
kernel8=
option8=

menu9=
loader9=
kernel9=
option9=

# This may override above
if [ -f /etc/default/kuro_boot.conf ]; then
	. /etc/default/kuro_boot.conf
fi
#
if [ -f /etc/kuro_boot.conf ]; then
	. /etc/kuro_boot.conf
fi
#
if [ -f /etc/kuro_boot.tmp ]; then
	. /etc/kuro_boot.tmp
	/bin/rm -f /etc/kuro_boot.tmp
fi

# functions
init_avr()
{
	if [ "$AVR"x = ""x ]; then
		if [ -c /dev/AVR00 ]; then
			/bin/echo /dev/AVR00 detected.
			AVR=/dev/AVR00
		elif [ -c /dev/ttyS1 ]; then
			/bin/echo /dev/ttyS1 detected.
			AVR=/dev/ttyS1
		else
			exit 0;
		fi
	fi
	# AVR Control
	/bin/stty -F $AVR cs8 parenb -parodd clocal 9600
	/bin/echo -n 'AAAAFFFFJJJJ>>>>VVVV>>>>ZZZZVVVVKKKK' > $AVR
	/bin/echo -n '[[[[' > $AVR
}

boot_kernel()
{
	if [ "$1"x = ""x ]; then
		#/bin/echo "Loader not specified."
		return 1;
	fi
	if [ ! -f $1 ]; then
		#/bin/echo "Loader does not exist."
		return 1;	
	fi
	if [ "$2"x = ""x ]; then
		/bin/echo "Kernel not spicified."
		/boot/tools/kuro_morse F $AVR
		return 0;
	fi
	if [ ! -f $2 ]; then
		/bin/echo "Kernel does not exist."
		/boot/tools/kuro_morse F $AVR
		return 0;
	fi
	init_avr
	/bin/sync; /bin/sync;
	/bin/umount -a
	/bin/mount -n -o remount,ro /
	/sbin/insmod $1 kernel=$2 $3

	# insmod failed
	/boot/tools/kuro_morse F $AVR
	return 0;
}

select_boot()
{
	/bin/echo "************************************************"
	/bin/echo "Select the OS in $timeout secs: (default is $bootdefault)"
	/bin/echo "1: Linux"
	if [ "$menu2"x != ""x ]; then
		/bin/echo "2: $menu2"
	fi
	if [ "$menu3"x != ""x ]; then
		/bin/echo "3: $menu3"
	fi
	if [ "$menu4"x != ""x ]; then
		/bin/echo "4: $menu4"
	fi
	if [ "$menu5"x != ""x ]; then
		/bin/echo "5: $menu5"
	fi
	if [ "$menu6"x != ""x ]; then
		/bin/echo "6: $menu6"
	fi
	if [ "$menu7"x != ""x ]; then
		/bin/echo "7: $menu7"
	fi
	if [ "$menu8"x != ""x ]; then
		/bin/echo "8: $menu8"
	fi
	if [ "$menu9"x != ""x ]; then
		/bin/echo "9: $menu9"
	fi
	/bin/echo ""

	# Light "DISK FULL" LED (for indication)
	/bin/echo -n "WWWW" > $AVR

	# Input
	/boot/tools/kuro_swread $timeout $AVR
	select=$?

	# LED off
	/bin/echo -n "VVVV" > $AVR
}

if [ "$1"x = "start"x ]; then
	# AVR Control
	init_avr

	# Input
	select_boot

	if [ "$select"x = "0"x ]; then
		/bin/echo '** Default **'
		select=$bootdefault
	fi
	/bin/echo "** No.$select **"

	/bin/sleep 1

        case $select in
	1)	/boot/tools/kuro_morse E $AVR
		;;
        2)	/boot/tools/kuro_morse I $AVR
		boot_kernel "$loader2" "$kernel2" "$option2"
		if [ "$?" = "1" ]; then
			select=1
		fi
		;;
        3)	/boot/tools/kuro_morse S $AVR
		boot_kernel "$loader3" "$kernel3" "$option3"
		if [ "$?" = "1" ]; then
			select=1
		fi
		;;
        4)	/boot/tools/kuro_morse H $AVR
		boot_kernel "$loader4" "$kernel4" "$option4"
		if [ "$?" = "1" ]; then
			select=1
		fi
		;;
        5)	/boot/tools/kuro_morse 5 $AVR
		boot_kernel "$loader5" "$kernel5" "$option5"
		if [ "$?" = "1" ]; then
			select=1
		fi
		;;
        6)	/boot/tools/kuro_morse N $AVR
		boot_kernel "$loader6" "$kernel6" "$option6"
		if [ "$?" = "1" ]; then
			select=1
		fi
		;;
        7)	/boot/tools/kuro_morse D $AVR
		boot_kernel "$loader7" "$kernel7" "$option7"
		if [ "$?" = "1" ]; then
			select=1
		fi
		;;
        8)	/boot/tools/kuro_morse B $AVR
		boot_kernel "$loader8" "$kernel8" "$option8"
		if [ "$?" = "1" ]; then
			select=1
		fi
		;;
        9)	/boot/tools/kuro_morse 6 $AVR
		boot_kernel "$loader9" "$kernel9" "$option9"
		if [ "$?" = "1" ]; then
			select=1
		fi
		;;
	*)	/boot/tools/kuro_morse E $AVR
        	select=1
		;;
        esac

	if [ "$select" != "1" ]; then
		/bin/echo "Oops, Boot failed..."
	fi
fi