#!/bin/sh

set -e

KERNEL="kernel/x86_64/vmlinuz64"
: ${INITRD:="alpine/initrd.img"}
CMDLINE="earlyprintk=serial console=ttyS0"

[ -f disk.img ] || dd if=/dev/zero of=disk.img bs=1048576 count=256

MEM="-m 1G"
SMP="-c 1"
SLIRP_SOCK=$(mktemp)
NET="-s 2:0,virtio-vpnkit,path=$SLIRP_SOCK"
IMG_HDD="-s 4,virtio-blk,disk.img"
PCI_DEV="-s 0:0,hostbridge -s 31,lpc"
RND="-s 5,virtio-rnd"
LPC_DEV="-l com1,stdio"

bin/com.docker.slirp --ethernet $SLIRP_SOCK &>/dev/null &
trap "kill $!; rm $SLIRP_SOCK" EXIT

bin/com.docker.hyperkit -A $MEM $SMP $PCI_DEV $LPC_DEV $NET $IMG_HDD $RND -u -f kexec,$KERNEL,$INITRD,"$CMDLINE"