1 #include "qemu/osdep.h"
2 #include "migration/vmstate.h"
3 #include "qapi/error.h"
4 #include "qemu/module.h"
5 #include "hw/loader.h"
6 #include "hw/qdev-properties.h"
7 #include "hw/display/ramfb.h"
8 #include "ui/console.h"
9 #include "qom/object.h"
10
11 typedef struct RAMFBStandaloneState RAMFBStandaloneState;
12 DECLARE_INSTANCE_CHECKER(RAMFBStandaloneState, RAMFB,
13 TYPE_RAMFB_DEVICE)
14
15 struct RAMFBStandaloneState {
16 SysBusDevice parent_obj;
17 QemuConsole *con;
18 RAMFBState *state;
19 bool migrate;
20 bool use_legacy_x86_rom;
21 };
22
display_update_wrapper(void * dev)23 static void display_update_wrapper(void *dev)
24 {
25 RAMFBStandaloneState *ramfb = RAMFB(dev);
26
27 if (0 /* native driver active */) {
28 /* non-standalone device would run native display update here */;
29 } else {
30 ramfb_display_update(ramfb->con, ramfb->state);
31 }
32 }
33
34 static const GraphicHwOps wrapper_ops = {
35 .gfx_update = display_update_wrapper,
36 };
37
ramfb_realizefn(DeviceState * dev,Error ** errp)38 static void ramfb_realizefn(DeviceState *dev, Error **errp)
39 {
40 RAMFBStandaloneState *ramfb = RAMFB(dev);
41
42 ramfb->con = graphic_console_init(dev, 0, &wrapper_ops, dev);
43 ramfb->state = ramfb_setup(ramfb->use_legacy_x86_rom, errp);
44 }
45
migrate_needed(void * opaque)46 static bool migrate_needed(void *opaque)
47 {
48 RAMFBStandaloneState *ramfb = RAMFB(opaque);
49
50 return ramfb->migrate;
51 }
52
53 static const VMStateDescription ramfb_dev_vmstate = {
54 .name = "ramfb-dev",
55 .version_id = 1,
56 .minimum_version_id = 1,
57 .needed = migrate_needed,
58 .fields = (const VMStateField[]) {
59 VMSTATE_STRUCT_POINTER(state, RAMFBStandaloneState, ramfb_vmstate, RAMFBState),
60 VMSTATE_END_OF_LIST()
61 }
62 };
63
64 static const Property ramfb_properties[] = {
65 DEFINE_PROP_BOOL("x-migrate", RAMFBStandaloneState, migrate, true),
66 DEFINE_PROP_BOOL("use-legacy-x86-rom", RAMFBStandaloneState,
67 use_legacy_x86_rom, false),
68 };
69
ramfb_class_initfn(ObjectClass * klass,const void * data)70 static void ramfb_class_initfn(ObjectClass *klass, const void *data)
71 {
72 DeviceClass *dc = DEVICE_CLASS(klass);
73
74 set_bit(DEVICE_CATEGORY_DISPLAY, dc->categories);
75 dc->vmsd = &ramfb_dev_vmstate;
76 dc->realize = ramfb_realizefn;
77 dc->desc = "ram framebuffer standalone device";
78 device_class_set_props(dc, ramfb_properties);
79 }
80
81 static const TypeInfo ramfb_info = {
82 .name = TYPE_RAMFB_DEVICE,
83 .parent = TYPE_DYNAMIC_SYS_BUS_DEVICE,
84 .instance_size = sizeof(RAMFBStandaloneState),
85 .class_init = ramfb_class_initfn,
86 };
87
ramfb_register_types(void)88 static void ramfb_register_types(void)
89 {
90 type_register_static(&ramfb_info);
91 }
92
93 type_init(ramfb_register_types)
94