#!/bin/sh

type=""
device_type=""
check=n
mode=tftp

. /env/config

while getopt "ht:d:f:m:c" Option
do
if [ ${Option} = t ]; then
	type=${OPTARG}
elif [ ${Option} = d ]; then
	device_type=${OPTARG}
elif [ ${Option} = f ]; then
	imagename=${OPTARG}
elif [ ${Option} = c ]; then
	check=y
elif [ ${Option} = m ]; then
	mode=${OPTARG}
else
	. /env/bin/_update_help
	exit 0
fi
done

if [ x${type} = xkernel ]; then
	image=$kernelimage
	disk_part=$kernel_part
elif [ x${type} = xrootfs ]; then
	image=$rootfsimage
	type=root
elif [ x${type} = xbarebox ]; then
	image=$bareboximage
	if [ -z ${image} ]; then
		image=barebox.bin
	fi
elif [ x${type} = xoftree ]; then
	image=$oftreeimage
	if [ -z ${image} ]; then
		image=oftree.bin
	fi
elif [ x${type} = xbareboxenv ]; then
	image=$bareboxenvimage
	if [ -z ${image} ]; then
		image=bareboxenv.bin
	fi
elif [ x${type} = xxload ]; then
	image=$xloadimage
else
	. /env/bin/_update_help
	exit 1
fi

if [ -n ${imagename} ]; then
	image=${imagename}
fi

if [ x${device_type} = xnand ]; then
	part=/dev/nand0.${type}.bb
elif [ x${device_type} = xnor ]; then
	part=/dev/nor0.${type}
elif [ x${device_type} = xdisk ]; then
	part=/dev/${disk_part}
else
	. /env/bin/_update_help
	exit 1
fi

if [ x${mode} != xtftp -a x${mode} != xxmodem -a x${mode} != xnfs ]; then
	echo "unsupported mode ${mode}."
	. /env/bin/_update_help
	exit 1
fi

. /env/bin/_update || exit 1
if [ x${check} = xy ]; then
	crc32 -f $image -F $part
else
	true
fi