1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
|
#include "qemu/osdep.h"
#include "migration/vmstate.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;
bool migrate;
};
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 bool migrate_needed(void *opaque)
{
RAMFBStandaloneState *ramfb = RAMFB(opaque);
return ramfb->migrate;
}
static const VMStateDescription ramfb_dev_vmstate = {
.name = "ramfb-dev",
.version_id = 1,
.minimum_version_id = 1,
.needed = migrate_needed,
.fields = (const VMStateField[]) {
VMSTATE_STRUCT_POINTER(state, RAMFBStandaloneState, ramfb_vmstate, RAMFBState),
VMSTATE_END_OF_LIST()
}
};
static Property ramfb_properties[] = {
DEFINE_PROP_BOOL("x-migrate", RAMFBStandaloneState, migrate, true),
DEFINE_PROP_END_OF_LIST(),
};
static void ramfb_class_initfn(ObjectClass *klass, void *data)
{
DeviceClass *dc = DEVICE_CLASS(klass);
set_bit(DEVICE_CATEGORY_DISPLAY, dc->categories);
dc->vmsd = &ramfb_dev_vmstate;
dc->realize = ramfb_realizefn;
dc->desc = "ram framebuffer standalone device";
dc->user_creatable = true;
device_class_set_props(dc, ramfb_properties);
}
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)
|
