Cc'ing Alex On 07/13/15 12:15, Paolo Bonzini wrote: > > > On 13/07/2015 09:32, Gerd Hoffmann wrote: >>> and virtio-vga is only compiled on 64-bit Intel? >> >> There is virtio-gpu-pci ... >> >> Any specific reason why we need vga compatibility on !x86? > > I was actually thinking about 32-bit x86. :) I agree that !x86 is not > necessary.
I disagree :) (This is actually my more important followup to this thread; the other message I just couldn't resist sending.) Gerd recently contributed virtio-vga support to OvmfPkg/QemuVideoDxe: https://github.com/tianocore/edk2/commit/94210dc9 That support depends on vga compat. All fine. What's probably not obvious is that I had ported PcAtChipsetPkg/PciHostBridgeDxe to ArmVirtPkg -- which drives Alex's generic PCIe host bridge, exposed on qemu-system-(arm|aarch64) -M virt -- and included OvmfPkg/QemuVideoDxe in the ArmVirtQemu.dsc build too. That means you can currently stick a -device VGA into -M virt, and it will work. Since OvmfPkg/QemuVideoDxe recognizes virtio-vga (see edk2 94210dc9 again), and the driver is included by ArmVirtQemu.dsc, I think it would be probably useful to build the device model for arm/aarch64 targets too. See also QEMU commit 332261de2b (together with its parent commits). Thanks Laszlo
