diff options
| author | Gerd Hoffmann <kraxel@redhat.com> | 2020-09-28 10:53:34 +0200 |
|---|---|---|
| committer | Gerd Hoffmann <kraxel@redhat.com> | 2020-09-29 10:08:25 +0200 |
| commit | 8be61ce2ce324d726e327101ca95332e32419fea (patch) | |
| tree | 09a190835572cd01bd448a78e84dc23c7eb483fb /hw/display | |
| parent | 4bf47f3634af105b25c3c073ae53b36ba73733b4 (diff) | |
virtio-vga: implement big-endian-framebuffer property
Allows to switch the (vga mode) framebuffer into bigendian mode
by setting the property, simliar to stdvga.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Message-id: 20200928085335.21961-2-kraxel@redhat.com
Diffstat (limited to 'hw/display')
| -rw-r--r-- | hw/display/virtio-vga.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/hw/display/virtio-vga.c b/hw/display/virtio-vga.c index f9410a0c2e..81f776ee36 100644 --- a/hw/display/virtio-vga.c +++ b/hw/display/virtio-vga.c @@ -168,6 +168,20 @@ static void virtio_vga_base_reset(DeviceState *dev) vga_dirty_log_start(&vvga->vga); } +static bool virtio_vga_get_big_endian_fb(Object *obj, Error **errp) +{ + VirtIOVGABase *d = VIRTIO_VGA_BASE(obj); + + return d->vga.big_endian_fb; +} + +static void virtio_vga_set_big_endian_fb(Object *obj, bool value, Error **errp) +{ + VirtIOVGABase *d = VIRTIO_VGA_BASE(obj); + + d->vga.big_endian_fb = value; +} + static Property virtio_vga_base_properties[] = { DEFINE_VIRTIO_GPU_PCI_PROPERTIES(VirtIOPCIProxy), DEFINE_PROP_END_OF_LIST(), @@ -190,6 +204,11 @@ static void virtio_vga_base_class_init(ObjectClass *klass, void *data) k->realize = virtio_vga_base_realize; pcidev_k->romfile = "vgabios-virtio.bin"; pcidev_k->class_id = PCI_CLASS_DISPLAY_VGA; + + /* Expose framebuffer byteorder via QOM */ + object_class_property_add_bool(klass, "big-endian-framebuffer", + virtio_vga_get_big_endian_fb, + virtio_vga_set_big_endian_fb); } static TypeInfo virtio_vga_base_info = { |