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upd uboot scripts

#!/bin/sh
#
# U-boot cfg nand map load/save management script
#
# $Id: rc.cfg,v 1.3.2.3 2018/01/01 22:34:33 misho Exp $

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

UPGRADE_GPIO_PINS="8 6 7"

ELWIX_CFG_BACKUP_NAME="elwix_cfg_$(hostname).bin"

CFDIR="/elwix/cf"
PKG2CF="${CFDIR}/pkg"

die() { echo -n "EXIT: " >&2; echo "$@" >&2; exit 1; }

cd ${2:-/etc}

case "$1" in
	load)
		imgupd -gs ${CFG_NAND_SIZE} -f ${CFG_NAND_MAP} | \
		      gunzip 2>&- | cpio -iud 2>&- || die "ERROR:: config load"
		;;
	save)
		if [ ! -r ${CFG_NAND_LIST} ]; then
			echo "# Auto generated manifest file" >${CFG_NAND_LIST}
			find . >>${CFG_NAND_LIST}
			if [ $? -ne 0 -o ! -r ${CFG_NAND_LIST} ]; then
				die "ERROR:: Manifest cfg nand map - file '${CFG_NAND_LIST}' not found!"
			fi
		fi

		sed -nE -e 's/^ *([^ #]+) */\1/p' < ${CFG_NAND_LIST} | xargs find | \
			cpio -o | gzip -9 | \
			imgupd -is ${CFG_NAND_SIZE} -f ${CFG_NAND_MAP} || die "ERROR:: config save"
		;;
	erase)
		imgupd -is ${CFG_NAND_SIZE} -f ${CFG_NAND_MAP} /dev/zero || die "ERROR:: config erase"
                echo "Config NAND was erased!"
		;;
	restore)
		ELWIX_REMOTE_HOST=`cat /etc/myelwix`
		ping -c1 $(echo ${ELWIX_REMOTE_HOST} | cut -f3 -d '/' | cut -f2 -d '@') >/dev/null 2>&1
		if [ $? -ne 0 ]; then
			die "ERROR:: ELWIX restore from host ${ELWIX_REMOTE_HOST} failed!!!"
		fi

		echo "ELWIX starting restore process from ${ELWIX_REMOTE_HOST}"
		fetch -q -o- --user-agent=ELWIX_Restore --allow-sslv2 \
			--no-verify-peer --no-verify-hostname \
			${ELWIX_REMOTE_HOST}/${ELWIX_CFG_BACKUP_NAME} | \
			imgupd -R -is ${CFG_NAND_SIZE} -f ${CFG_NAND_MAP} || die "ERROR:: config restore"
		echo "ELWIX restore process complete. Now rebooting system ..."
		;;
	backup)
		ELWIX_REMOTE_HOST="/tmp/${ELWIX_CFG_BACKUP_NAME}"

		echo "ELWIX starting backup process to ${ELWIX_REMOTE_HOST}"
		imgupd -gs ${CFG_NAND_SIZE} -f ${CFG_NAND_MAP} ${ELWIX_REMOTE_HOST} || die "ERROR:: config backup"
		echo "ELWIX backup process complete."
		;;
	upgrade)
		echo "ELWIX switch to upgrade mode. Starting TFTPd ..."
		echo " You can upload now elwix_firmware.bin image to device with \"firmware\" name!!!"
		echo "  Example: put elwix_firmware.bin firmware"
		for i in ${UPGRADE_GPIO_PINS}; do
			gpioctl $i 1 >/dev/null 2>&1
		done
		TFTPd -wR
		;;
	pkg_save)
		echo "ELWIX syncing information about installed packages into storage"
		cfexec -L "Locked by rc.cfg for pkg_save"
		tar -czvf /elwix/altroot/pkg/db/pkgz.tar.gz /var/db/pkg/*
		if [ $? -ne 0 ]; then
			echo "ERROR:: package save"
		else
			echo "ELWIX sync process complete."
		fi
		cfexec -U
		;;
	pkg_load)
		echo "ELWIX loading information about installed packages from storage"
		tar -xzvpf /elwix/altroot/pkg/db/pkgz.tar.gz -C / || die "ERROR:: package load"
		echo "ELWIX load process complete."
		;;
	pkg2cf)
		echo "ELWIX setup new pkg location on CF at $PKGCF"
		if ! mount | grep "${CFDIR}" >/dev/null 2>&1; then
			echo "Skip pkg2cf setup, because CF partition isn't mounted ..."
			exit 1
		fi
		if [ ! -L /elwix/local -a ! -L /elwix/altroot/pkg/db ]; then
			mkdir -p ${PKG2CF}/db
			mkdir -p ${PKG2CF}/local
			cp -r /elwix/altroot/pkg/db/* ${PKG2CF}/db
			cp -r /elwix/local/* ${PKG2CF}/local
			rm -rf /elwix/local /elwix/altroot/pkg/db
			ln -s ${PKG2CF}/db /elwix/altroot/pkg/db
			ln -s ${PKG2CF}/local /elwix/local
		fi
		echo "ELWIX pkg2cf setup complete."
		;;
	*)
		echo "Missing parameter - available options are (load | save | erase | backup | restore | upgrade | pkg_load | pkg_save | pkg2cf)"
		;;
esac

cd -