root / hw / misc / sga.c @ a8aec295
History | View | Annotate | Download (2.1 kB)
1 |
/*
|
---|---|
2 |
* QEMU dummy ISA device for loading sgabios option rom.
|
3 |
*
|
4 |
* Copyright (c) 2011 Glauber Costa, Red Hat Inc.
|
5 |
*
|
6 |
* Permission is hereby granted, free of charge, to any person obtaining a copy
|
7 |
* of this software and associated documentation files (the "Software"), to deal
|
8 |
* in the Software without restriction, including without limitation the rights
|
9 |
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
10 |
* copies of the Software, and to permit persons to whom the Software is
|
11 |
* furnished to do so, subject to the following conditions:
|
12 |
*
|
13 |
* The above copyright notice and this permission notice shall be included in
|
14 |
* all copies or substantial portions of the Software.
|
15 |
*
|
16 |
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
17 |
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
18 |
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
|
19 |
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
20 |
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
21 |
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
|
22 |
* THE SOFTWARE.
|
23 |
*
|
24 |
* sgabios code originally available at code.google.com/p/sgabios
|
25 |
*
|
26 |
*/
|
27 |
#include "hw/pci/pci.h" |
28 |
#include "hw/i386/pc.h" |
29 |
#include "hw/loader.h" |
30 |
#include "sysemu/sysemu.h" |
31 |
|
32 |
#define SGABIOS_FILENAME "sgabios.bin" |
33 |
|
34 |
#define TYPE_SGA "sga" |
35 |
#define SGA(obj) OBJECT_CHECK(ISASGAState, (obj), TYPE_SGA)
|
36 |
|
37 |
typedef struct ISASGAState { |
38 |
ISADevice parent_obj; |
39 |
} ISASGAState; |
40 |
|
41 |
static void sga_realizefn(DeviceState *dev, Error **errp) |
42 |
{ |
43 |
rom_add_vga(SGABIOS_FILENAME); |
44 |
} |
45 |
|
46 |
static void sga_class_initfn(ObjectClass *klass, void *data) |
47 |
{ |
48 |
DeviceClass *dc = DEVICE_CLASS(klass); |
49 |
|
50 |
dc->realize = sga_realizefn; |
51 |
dc->desc = "Serial Graphics Adapter";
|
52 |
} |
53 |
|
54 |
static const TypeInfo sga_info = { |
55 |
.name = TYPE_SGA, |
56 |
.parent = TYPE_ISA_DEVICE, |
57 |
.instance_size = sizeof(ISASGAState),
|
58 |
.class_init = sga_class_initfn, |
59 |
}; |
60 |
|
61 |
static void sga_register_types(void) |
62 |
{ |
63 |
type_register_static(&sga_info); |
64 |
} |
65 |
|
66 |
type_init(sga_register_types) |