-m 2048
-global virtio-mmio.force-legacy=false
-device virtio-mouse-device
-device virtio-keyboard-device
arm_v8a: -M virt,virtualization=true,gic-version=3 -cpu cortex-a53 -smp 4
arm_v7a: -M virt,virtualization=true -cpu cortex-a15 -smp 2