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a90d4690 GC |
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 | */ | |
0b8fa32f | 27 | |
b6a0aa05 | 28 | #include "qemu/osdep.h" |
b18aad5c | 29 | #include "hw/isa/isa.h" |
83c9f4ca | 30 | #include "hw/loader.h" |
0b8fa32f | 31 | #include "qemu/module.h" |
db1015e9 | 32 | #include "qom/object.h" |
a90d4690 GC |
33 | |
34 | #define SGABIOS_FILENAME "sgabios.bin" | |
35 | ||
b582b5a3 | 36 | #define TYPE_SGA "sga" |
db1015e9 | 37 | typedef struct ISASGAState ISASGAState; |
b582b5a3 AF |
38 | #define SGA(obj) OBJECT_CHECK(ISASGAState, (obj), TYPE_SGA) |
39 | ||
db1015e9 | 40 | struct ISASGAState { |
b582b5a3 | 41 | ISADevice parent_obj; |
db1015e9 | 42 | }; |
a90d4690 | 43 | |
db895a1e | 44 | static void sga_realizefn(DeviceState *dev, Error **errp) |
a90d4690 GC |
45 | { |
46 | rom_add_vga(SGABIOS_FILENAME); | |
a90d4690 | 47 | } |
b582b5a3 | 48 | |
8f04ee08 AL |
49 | static void sga_class_initfn(ObjectClass *klass, void *data) |
50 | { | |
39bffca2 | 51 | DeviceClass *dc = DEVICE_CLASS(klass); |
db895a1e | 52 | |
125ee0ed | 53 | set_bit(DEVICE_CATEGORY_DISPLAY, dc->categories); |
db895a1e | 54 | dc->realize = sga_realizefn; |
39bffca2 | 55 | dc->desc = "Serial Graphics Adapter"; |
8f04ee08 | 56 | } |
a90d4690 | 57 | |
8c43a6f0 | 58 | static const TypeInfo sga_info = { |
b582b5a3 | 59 | .name = TYPE_SGA, |
39bffca2 AL |
60 | .parent = TYPE_ISA_DEVICE, |
61 | .instance_size = sizeof(ISASGAState), | |
62 | .class_init = sga_class_initfn, | |
a90d4690 GC |
63 | }; |
64 | ||
83f7d43a | 65 | static void sga_register_types(void) |
a90d4690 | 66 | { |
39bffca2 | 67 | type_register_static(&sga_info); |
a90d4690 GC |
68 | } |
69 | ||
83f7d43a | 70 | type_init(sga_register_types) |