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[qemu.git] / hw / vga-pci.c
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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"
5245d57a 31#include "loader.h"
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32
33typedef struct PCIVGAState {
34 PCIDevice dev;
35 VGACommonState vga;
36} PCIVGAState;
37
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38static 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()
47d37dd9 47 }
a4f9631c 48};
47d37dd9 49
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50static int pci_vga_initfn(PCIDevice *dev)
51{
52 PCIVGAState *d = DO_UPCAST(PCIVGAState, dev, dev);
53 VGACommonState *s = &d->vga;
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54
55 // vga + console init
56 vga_common_init(s, VGA_RAM_SIZE);
0a039dc7 57 vga_init(s, pci_address_space(dev), pci_address_space_io(dev), true);
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58
59 s->ds = graphic_console_init(s->update, s->invalidate,
60 s->screen_dump, s->text_update, s);
61
47d37dd9 62 /* XXX: VGA_RAM_SIZE must be a power of two */
e824b2cc 63 pci_register_bar(&d->dev, 0, PCI_BASE_ADDRESS_MEM_PREFETCH, &s->vram);
47d37dd9 64
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65 if (!dev->rom_bar) {
66 /* compatibility with pc-0.13 and older */
be20f9e9 67 vga_init_vbe(s, pci_address_space(dev));
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68 }
69
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70 return 0;
71}
72
78895427 73int pci_vga_init(PCIBus *bus)
47d37dd9 74{
78895427 75 pci_create_simple(bus, -1, "VGA");
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76 return 0;
77}
78
79static PCIDeviceInfo vga_info = {
80 .qdev.name = "VGA",
81 .qdev.size = sizeof(PCIVGAState),
be73cfe2 82 .qdev.vmsd = &vmstate_vga_pci,
be92bbf7 83 .no_hotplug = 1,
47d37dd9 84 .init = pci_vga_initfn,
78895427 85 .romfile = "vgabios-stdvga.bin",
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86
87 /* dummy VGA (same as Bochs ID) */
88 .vendor_id = PCI_VENDOR_ID_QEMU,
89 .device_id = PCI_DEVICE_ID_QEMU_VGA,
90 .class_id = PCI_CLASS_DISPLAY_VGA,
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91};
92
93static void vga_register(void)
94{
95 pci_qdev_register(&vga_info);
96}
97device_init(vga_register);