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 | |
28 | #include "qemu/osdep.h" |
29 | #include "hw/isa/isa.h" |
30 | #include "hw/loader.h" |
31 | #include "qemu/module.h" |
32 | |
33 | #define SGABIOS_FILENAME "sgabios.bin" |
34 | |
35 | #define TYPE_SGA "sga" |
36 | #define SGA(obj) OBJECT_CHECK(ISASGAState, (obj), TYPE_SGA) |
37 | |
38 | typedef struct ISASGAState { |
39 | ISADevice parent_obj; |
40 | } ISASGAState; |
41 | |
42 | static void sga_realizefn(DeviceState *dev, Error **errp) |
43 | { |
44 | rom_add_vga(SGABIOS_FILENAME); |
45 | } |
46 | |
47 | static void sga_class_initfn(ObjectClass *klass, void *data) |
48 | { |
49 | DeviceClass *dc = DEVICE_CLASS(klass); |
50 | |
51 | set_bit(DEVICE_CATEGORY_DISPLAY, dc->categories); |
52 | dc->realize = sga_realizefn; |
53 | dc->desc = "Serial Graphics Adapter" ; |
54 | } |
55 | |
56 | static const TypeInfo sga_info = { |
57 | .name = TYPE_SGA, |
58 | .parent = TYPE_ISA_DEVICE, |
59 | .instance_size = sizeof(ISASGAState), |
60 | .class_init = sga_class_initfn, |
61 | }; |
62 | |
63 | static void sga_register_types(void) |
64 | { |
65 | type_register_static(&sga_info); |
66 | } |
67 | |
68 | type_init(sga_register_types) |
69 | |