BuildRoot vexpress-a9 boot from NFS

start-vexpress.qemu.nfs.sh

#!/bin/bash

set -x

if [ $EUID -ne 0 ]; then
	echo "Error: This script ( ${0} ) must be run with root privileges"
	exit 1
fi

PATH=$PATH:/sbin:/usr/sbin
ip=$(which ip)

export SWITCH=br0
export ETHERNET_PORT=ens33
export HOST_IP=192.168.1.4
export DEVICE_IP=192.168.1.119
export NET_NUMBER=192.168.1.0
export NET_MASK=255.255.255.0

export PATH="/home/sae/devel/QemuArmVexpress/host/bin:${PATH}"
exec qemu-system-arm \
	-M vexpress-a9 \
	-smp 4 \
	-m 256 \
	-nographic \
        -nic tap,ifname=tap0,script=$(pwd)/qemu-ifup,downscript=$(pwd)/qemu-ifdown\
	-kernel zImage \
	-dtb vexpress-v2p-ca9.dtb \
	-append "console=ttyAMA0,115200 root=/dev/nfs rootwait nfsroot=${HOST_IP}:/rootfs,nolock rw ip=${DEVICE_IP}:${HOST_IP}::${NET_MASK}::eth0:none::"