mmu-hash*: Don't keep looking for PTEs after we find a match
[qemu/agraf.git] / hw / sga.c
blob4b1d4e536997ffd50b0ddd1982f7c3e9b2f36d7c
1 /*
2 * QEMU dummy ISA device for loading sgabios option rom.
4 * Copyright (c) 2011 Glauber Costa, Red Hat Inc.
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:
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
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.
24 * sgabios code originally available at code.google.com/p/sgabios
27 #include "hw/pci/pci.h"
28 #include "hw/pc.h"
29 #include "hw/loader.h"
30 #include "sysemu/sysemu.h"
32 #define SGABIOS_FILENAME "sgabios.bin"
34 typedef struct ISAGAState {
35 ISADevice dev;
36 } ISASGAState;
38 static int sga_initfn(ISADevice *dev)
40 rom_add_vga(SGABIOS_FILENAME);
41 return 0;
43 static void sga_class_initfn(ObjectClass *klass, void *data)
45 DeviceClass *dc = DEVICE_CLASS(klass);
46 ISADeviceClass *ic = ISA_DEVICE_CLASS(klass);
47 ic->init = sga_initfn;
48 dc->desc = "Serial Graphics Adapter";
51 static const TypeInfo sga_info = {
52 .name = "sga",
53 .parent = TYPE_ISA_DEVICE,
54 .instance_size = sizeof(ISASGAState),
55 .class_init = sga_class_initfn,
58 static void sga_register_types(void)
60 type_register_static(&sga_info);
63 type_init(sga_register_types)