#!/bin/sh

set -ex

mkdir -pv qemu
cd qemu
dd if=/dev/zero of=rootfs.ext4 bs=1M count=100
mkfs.ext4 rootfs.ext4
cd ../build/rootfs
tar -czvf /tmp/rootfs.tar.gz.tmp .
cd ../../qemu
sudo mount -v rootfs.ext4 /mnt
sudo tar -xvf /tmp/rootfs.tar.gz.tmp -C /mnt
sudo umount -v rootfs.ext4

qemu-system-x86_64 \
    -m 10G \
    -smp 20 \
    -enable-kvm \
    -cpu host \
    -kernel ../build/kernel/linux-6.1.91/arch/x86_64/boot/bzImage \
    -append "root=/dev/sda init=/init" \
    -initrd ../build/initramfs.img \
    -hda rootfs.ext4 \
    -device virtio-net-pci,netdev=hn0,id=nic1 \
    -netdev bridge,id=hn0,br=virbr0