#!/bin/bash -e

#### Settings ##################################################################
MEM="2G"
VCPU=2

## Define your disk image via program argument:
disk="$1"
# Check for empty disk and exit
if [[ -z $disk ]]; then
	echo "Usage: $0 IMAGE [OPTIONS]"
	echo "OPTIONS  - additional options passed to qemu-system-aarch64"
	echo "  e.g.   --nographic        No graphical output, attach serial terminal"
	echo "To add HID (keyboard/mouse) you need to add the following:"
	echo " -device qemu-xhci -device usb-kbd -device usb-tablet"
	exit 1
fi
shift


# Prepare EFI vars
truncate -s 64m varstore.img && dd if="/usr/share/qemu/aavmf-aarch64-suse-vars.bin" of=varstore.img conv=notrunc

# Remove efi vars file on exit
function cleanup {
	# Note: Add efi.img if you run the extended variant below
	rm -f varstore.img
}
trap cleanup EXIT

## Run VM (simple)
qemu-system-aarch64 -machine virt,gic-version=max -m $MEM -cpu max -smp $VCPU \
  -device virtio-gpu-pci -bios /usr/share/qemu/aavmf-aarch64-code.bin -hda "$disk" $@

## Run VM (extended)
#truncate -s 64m efi.img && dd if=/usr/share/qemu/aavmf-aarch64-code.bin of=efi.img conv=notrunc
#qemu-system-aarch64 -nographic -machine virt,gic-version=max -m $MEM -cpu max -smp $VCPU \
#  -drive "file=$disk,if=none,id=drive0,cache=writeback" -device virtio-blk,drive=drive0,bootindex=0 \
#  -drive file=efi.img,format=raw,if=pflash -drive file=varstore.img,format=raw,if=pflash \
#  $@