Run qemu with 9p rootfs

9pvm.sh

#!/bin/bash
set -euxo pipefail
kernel="${kernel:-kernel}"
initrd="${initrd:-initramfs.cpio.gz}"
target="$1"
shift
nsroot -xpf -- qemu-system-x86_64 \
	-enable-kvm \
	-m 1G \
	-smp 2 \
	-cpu host \
	-kernel $kernel \
	-initrd $initrd \
	-fsdev local,id=fsdev0,path=$target,security_model=passthrough \
	-device virtio-9p-pci,fsdev=fsdev0,mount_tag=root \
	-device virtio-rng-pci \
	-net nic,model=virtio-net-pci -net user \
	-append "quiet" \
  "$@"