#!/bin/bash

usage ()
{
	echo "Usage:"
	echo "./run.sh [<path_to_image>]"
	echo "Note: if <path_to_image> is not provided, will create a 'sd.bin'"
	echo "in the current directory and load it by default."
}

path_image=${1}

if [ -z $path_image ]; then
	path_image="./sd.bin"
	if [ ! -f $path_image ]; then
		dd if=/dev/zero of=$path_image bs=1024 count=65536
		mkfs.fat $path_image
	fi
fi

if [ ! -f $path_image ]; then
	echo "ERROR: $path_image does not exist!"
	usage
	exit
fi

qemu-system-riscv64 -nographic -machine virt -m 256M -kernel rtthread.bin \
-drive if=none,file=$path_image,format=raw,id=blk0 -device virtio-blk-device,drive=blk0,bus=virtio-mmio-bus.0 \
-netdev user,id=tap0 -device virtio-net-device,netdev=tap0,bus=virtio-mmio-bus.1 \
-device virtio-serial-device -chardev socket,host=127.0.0.1,port=4321,server=on,wait=off,telnet=on,id=console0 -device virtserialport,chardev=console0