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authorDaniel Baumann <mail@daniel-baumann.ch>2025-06-06 10:05:23 +0000
committerDaniel Baumann <mail@daniel-baumann.ch>2025-06-06 10:05:23 +0000
commit755cc582a2473d06f3a2131d506d0311cc70e9f9 (patch)
tree3efb1ddb8d57bbb4539ac0d229b384871c57820f /hw/display/ramfb-standalone.c
parentInitial commit. (diff)
downloadqemu-upstream.tar.xz
qemu-upstream.zip
Adding upstream version 1:7.2+dfsg.upstream/1%7.2+dfsgupstream
Signed-off-by: Daniel Baumann <mail@daniel-baumann.ch>
Diffstat (limited to 'hw/display/ramfb-standalone.c')
-rw-r--r--hw/display/ramfb-standalone.c65
1 files changed, 65 insertions, 0 deletions
diff --git a/hw/display/ramfb-standalone.c b/hw/display/ramfb-standalone.c
new file mode 100644
index 00000000..8c009439
--- /dev/null
+++ b/hw/display/ramfb-standalone.c
@@ -0,0 +1,65 @@
+#include "qemu/osdep.h"
+#include "qapi/error.h"
+#include "qemu/module.h"
+#include "hw/loader.h"
+#include "hw/qdev-properties.h"
+#include "hw/display/ramfb.h"
+#include "ui/console.h"
+#include "qom/object.h"
+
+typedef struct RAMFBStandaloneState RAMFBStandaloneState;
+DECLARE_INSTANCE_CHECKER(RAMFBStandaloneState, RAMFB,
+ TYPE_RAMFB_DEVICE)
+
+struct RAMFBStandaloneState {
+ SysBusDevice parent_obj;
+ QemuConsole *con;
+ RAMFBState *state;
+};
+
+static void display_update_wrapper(void *dev)
+{
+ RAMFBStandaloneState *ramfb = RAMFB(dev);
+
+ if (0 /* native driver active */) {
+ /* non-standalone device would run native display update here */;
+ } else {
+ ramfb_display_update(ramfb->con, ramfb->state);
+ }
+}
+
+static const GraphicHwOps wrapper_ops = {
+ .gfx_update = display_update_wrapper,
+};
+
+static void ramfb_realizefn(DeviceState *dev, Error **errp)
+{
+ RAMFBStandaloneState *ramfb = RAMFB(dev);
+
+ ramfb->con = graphic_console_init(dev, 0, &wrapper_ops, dev);
+ ramfb->state = ramfb_setup(errp);
+}
+
+static void ramfb_class_initfn(ObjectClass *klass, void *data)
+{
+ DeviceClass *dc = DEVICE_CLASS(klass);
+
+ set_bit(DEVICE_CATEGORY_DISPLAY, dc->categories);
+ dc->realize = ramfb_realizefn;
+ dc->desc = "ram framebuffer standalone device";
+ dc->user_creatable = true;
+}
+
+static const TypeInfo ramfb_info = {
+ .name = TYPE_RAMFB_DEVICE,
+ .parent = TYPE_SYS_BUS_DEVICE,
+ .instance_size = sizeof(RAMFBStandaloneState),
+ .class_init = ramfb_class_initfn,
+};
+
+static void ramfb_register_types(void)
+{
+ type_register_static(&ramfb_info);
+}
+
+type_init(ramfb_register_types)