#!/bin/sh

echo "Usage: update [-p partition] [-k [kernel image filename]] [-r [rootfs filename]]"
echo "Update kernel and/or rootfs over tftp"
echo ""
echo "Options"
echo " -p     choose partition. Use 0 or 1. Default is 0"
echo " -k     Update kernel. Default filename is kernel.img"
echo " -r     Update kernel. Default filename is rootfs.img"
echo ""
echo "Example"
echo "# Update kernel and rootfs"
echo "update -k -r"