linux-user: stack_base is now mandatory on all targets
[qemu.git] / hw / vga-pci.c
1 /*
2 * QEMU PCI VGA Emulator.
3 *
4 * Copyright (c) 2003 Fabrice Bellard
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 #include "hw.h"
25 #include "console.h"
26 #include "pc.h"
27 #include "pci.h"
28 #include "vga_int.h"
29 #include "pixel_ops.h"
30 #include "qemu-timer.h"
31 #include "loader.h"
32
33 typedef struct PCIVGAState {
34 PCIDevice dev;
35 VGACommonState vga;
36 } PCIVGAState;
37
38 static const VMStateDescription vmstate_vga_pci = {
39 .name = "vga",
40 .version_id = 2,
41 .minimum_version_id = 2,
42 .minimum_version_id_old = 2,
43 .fields = (VMStateField []) {
44 VMSTATE_PCI_DEVICE(dev, PCIVGAState),
45 VMSTATE_STRUCT(vga, PCIVGAState, 0, vmstate_vga_common, VGACommonState),
46 VMSTATE_END_OF_LIST()
47 }
48 };
49
50 static int pci_vga_initfn(PCIDevice *dev)
51 {
52 PCIVGAState *d = DO_UPCAST(PCIVGAState, dev, dev);
53 VGACommonState *s = &d->vga;
54
55 // vga + console init
56 vga_common_init(s, VGA_RAM_SIZE);
57 vga_init(s, pci_address_space(dev), pci_address_space_io(dev), true);
58
59 s->ds = graphic_console_init(s->update, s->invalidate,
60 s->screen_dump, s->text_update, s);
61
62 /* XXX: VGA_RAM_SIZE must be a power of two */
63 pci_register_bar(&d->dev, 0, PCI_BASE_ADDRESS_MEM_PREFETCH, &s->vram);
64
65 if (!dev->rom_bar) {
66 /* compatibility with pc-0.13 and older */
67 vga_init_vbe(s, pci_address_space(dev));
68 }
69
70 return 0;
71 }
72
73 DeviceState *pci_vga_init(PCIBus *bus)
74 {
75 return &pci_create_simple(bus, -1, "VGA")->qdev;
76 }
77
78 static void vga_class_init(ObjectClass *klass, void *data)
79 {
80 PCIDeviceClass *k = PCI_DEVICE_CLASS(klass);
81
82 k->no_hotplug = 1;
83 k->init = pci_vga_initfn;
84 k->romfile = "vgabios-stdvga.bin";
85 k->vendor_id = PCI_VENDOR_ID_QEMU;
86 k->device_id = PCI_DEVICE_ID_QEMU_VGA;
87 k->class_id = PCI_CLASS_DISPLAY_VGA;
88 }
89
90 static DeviceInfo vga_info = {
91 .name = "VGA",
92 .size = sizeof(PCIVGAState),
93 .vmsd = &vmstate_vga_pci,
94 .class_init = vga_class_init,
95 };
96
97 static void vga_register(void)
98 {
99 pci_qdev_register(&vga_info);
100 }
101 device_init(vga_register);