/usr/bin/qemu-system-sparc kvm SS-5 sparc /obviously/fake/firmware1.fd /obviously/fake/firmware2.fd rom pflash yes no no off file anonymous memfd disk cdrom floppy lun fdc scsi virtio virtio sdl vnc spice egl-headless subsystem default mandatory requisite optional pci scsi default vfio random egd builtin path handle usb pty unix spicevmc qemu builtin