#!/bin/sh
#
# U-boot cfg nand map load/save management script
#
# $Id: rc.cfg,v 1.1.2.4 2014/01/27 21:27:02 misho Exp $

CFG_NAND_LIST="/etc/rc.s/cfg.map"
CFG_NAND_MAP="/dev/map/cfg"
CFG_NAND_SIZE=65536

cd ${2:-.}

case "$1" in
	load)
		dd if=${CFG_NAND_MAP} bs=${CFG_NAND_SIZE} | gunzip | cpio -ivud || exit 1
		;;
	save)
		if [ ! -r ${CFG_NAND_LIST} ];then
			echo "# Auto generated manifest file" >${CFG_NAND_LIST}
			find . >>${CFG_NAND_LIST}
			if [ $? -ne 0 -o ! -r ${CFG_NAND_LIST} ]; then
				echo "Manifest cfg nand map - file '${CFG_NAND_LIST}' not found!"
				exit 1
			fi
		fi

		sed -nE -e 's/^ *([^ #]+) */\1/p' < ${CFG_NAND_LIST} | \
			cpio -ov | gzip -9 | \
			dd of=${CFG_NAND_MAP} bs=${CFG_NAND_SIZE} count=1 conv=sync || exit 1
		;;
	*)
		echo "Missing parameter - available options are (load | save)"
		;;
esac

cd -