linux-user: stack_base is now mandatory on all targets
[qemu.git] / hw / sga.c
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 "pci.h"
28 #include "pc.h"
29 #include "loader.h"
30 #include "sysemu.h"
31
32 #define SGABIOS_FILENAME "sgabios.bin"
33
34 typedef struct ISAGAState {
35 ISADevice dev;
36 } ISASGAState;
37
38 static int sga_initfn(ISADevice *dev)
39 {
40 rom_add_vga(SGABIOS_FILENAME);
41 return 0;
42 }
43 static void sga_class_initfn(ObjectClass *klass, void *data)
44 {
45 ISADeviceClass *ic = ISA_DEVICE_CLASS(klass);
46 ic->init = sga_initfn;
47 }
48
49 static DeviceInfo sga_info = {
50 .name = "sga",
51 .desc = "Serial Graphics Adapter",
52 .size = sizeof(ISASGAState),
53 .class_init = sga_class_initfn,
54 };
55
56 static void sga_register(void)
57 {
58 isa_qdev_register(&sga_info);
59 }
60
61 device_init(sga_register);