root / hw / vga-pci.c @ 795928f6
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1 | 47d37dd9 | Juan Quintela | /*
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2 | 47d37dd9 | Juan Quintela | * QEMU PCI VGA Emulator.
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3 | 47d37dd9 | Juan Quintela | *
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4 | 47d37dd9 | Juan Quintela | * Copyright (c) 2003 Fabrice Bellard
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5 | 47d37dd9 | Juan Quintela | *
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6 | 47d37dd9 | Juan Quintela | * Permission is hereby granted, free of charge, to any person obtaining a copy
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7 | 47d37dd9 | Juan Quintela | * of this software and associated documentation files (the "Software"), to deal
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8 | 47d37dd9 | Juan Quintela | * in the Software without restriction, including without limitation the rights
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9 | 47d37dd9 | Juan Quintela | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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10 | 47d37dd9 | Juan Quintela | * copies of the Software, and to permit persons to whom the Software is
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11 | 47d37dd9 | Juan Quintela | * furnished to do so, subject to the following conditions:
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12 | 47d37dd9 | Juan Quintela | *
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13 | 47d37dd9 | Juan Quintela | * The above copyright notice and this permission notice shall be included in
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14 | 47d37dd9 | Juan Quintela | * all copies or substantial portions of the Software.
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15 | 47d37dd9 | Juan Quintela | *
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16 | 47d37dd9 | Juan Quintela | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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17 | 47d37dd9 | Juan Quintela | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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18 | 47d37dd9 | Juan Quintela | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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19 | 47d37dd9 | Juan Quintela | * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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20 | 47d37dd9 | Juan Quintela | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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21 | 47d37dd9 | Juan Quintela | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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22 | 47d37dd9 | Juan Quintela | * THE SOFTWARE.
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23 | 47d37dd9 | Juan Quintela | */
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24 | 47d37dd9 | Juan Quintela | #include "hw.h" |
25 | 47d37dd9 | Juan Quintela | #include "console.h" |
26 | 47d37dd9 | Juan Quintela | #include "pc.h" |
27 | 47d37dd9 | Juan Quintela | #include "pci.h" |
28 | 47d37dd9 | Juan Quintela | #include "vga_int.h" |
29 | 47d37dd9 | Juan Quintela | #include "pixel_ops.h" |
30 | 47d37dd9 | Juan Quintela | #include "qemu-timer.h" |
31 | 5245d57a | Gerd Hoffmann | #include "loader.h" |
32 | 47d37dd9 | Juan Quintela | |
33 | 47d37dd9 | Juan Quintela | typedef struct PCIVGAState { |
34 | 47d37dd9 | Juan Quintela | PCIDevice dev; |
35 | 47d37dd9 | Juan Quintela | VGACommonState vga; |
36 | 47d37dd9 | Juan Quintela | } PCIVGAState; |
37 | 47d37dd9 | Juan Quintela | |
38 | a4f9631c | Juan Quintela | static const VMStateDescription vmstate_vga_pci = { |
39 | a4f9631c | Juan Quintela | .name = "vga",
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40 | a4f9631c | Juan Quintela | .version_id = 2,
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41 | a4f9631c | Juan Quintela | .minimum_version_id = 2,
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42 | a4f9631c | Juan Quintela | .minimum_version_id_old = 2,
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43 | a4f9631c | Juan Quintela | .fields = (VMStateField []) { |
44 | a4f9631c | Juan Quintela | VMSTATE_PCI_DEVICE(dev, PCIVGAState), |
45 | a4f9631c | Juan Quintela | VMSTATE_STRUCT(vga, PCIVGAState, 0, vmstate_vga_common, VGACommonState),
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46 | a4f9631c | Juan Quintela | VMSTATE_END_OF_LIST() |
47 | 47d37dd9 | Juan Quintela | } |
48 | a4f9631c | Juan Quintela | }; |
49 | 47d37dd9 | Juan Quintela | |
50 | 47d37dd9 | Juan Quintela | static int pci_vga_initfn(PCIDevice *dev) |
51 | 47d37dd9 | Juan Quintela | { |
52 | 47d37dd9 | Juan Quintela | PCIVGAState *d = DO_UPCAST(PCIVGAState, dev, dev); |
53 | 47d37dd9 | Juan Quintela | VGACommonState *s = &d->vga; |
54 | 47d37dd9 | Juan Quintela | |
55 | 47d37dd9 | Juan Quintela | // vga + console init
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56 | 47d37dd9 | Juan Quintela | vga_common_init(s, VGA_RAM_SIZE); |
57 | 0a039dc7 | Richard Henderson | vga_init(s, pci_address_space(dev), pci_address_space_io(dev), true);
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58 | 47d37dd9 | Juan Quintela | |
59 | 47d37dd9 | Juan Quintela | s->ds = graphic_console_init(s->update, s->invalidate, |
60 | 47d37dd9 | Juan Quintela | s->screen_dump, s->text_update, s); |
61 | 47d37dd9 | Juan Quintela | |
62 | 47d37dd9 | Juan Quintela | /* XXX: VGA_RAM_SIZE must be a power of two */
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63 | e824b2cc | Avi Kivity | pci_register_bar(&d->dev, 0, PCI_BASE_ADDRESS_MEM_PREFETCH, &s->vram);
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64 | 47d37dd9 | Juan Quintela | |
65 | 281a26b1 | Gerd Hoffmann | if (!dev->rom_bar) {
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66 | 281a26b1 | Gerd Hoffmann | /* compatibility with pc-0.13 and older */
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67 | be20f9e9 | Avi Kivity | vga_init_vbe(s, pci_address_space(dev)); |
68 | 281a26b1 | Gerd Hoffmann | } |
69 | 281a26b1 | Gerd Hoffmann | |
70 | 47d37dd9 | Juan Quintela | return 0; |
71 | 47d37dd9 | Juan Quintela | } |
72 | 47d37dd9 | Juan Quintela | |
73 | 78895427 | Gerd Hoffmann | int pci_vga_init(PCIBus *bus)
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74 | 47d37dd9 | Juan Quintela | { |
75 | 78895427 | Gerd Hoffmann | pci_create_simple(bus, -1, "VGA"); |
76 | 47d37dd9 | Juan Quintela | return 0; |
77 | 47d37dd9 | Juan Quintela | } |
78 | 47d37dd9 | Juan Quintela | |
79 | 47d37dd9 | Juan Quintela | static PCIDeviceInfo vga_info = {
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80 | 47d37dd9 | Juan Quintela | .qdev.name = "VGA",
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81 | 47d37dd9 | Juan Quintela | .qdev.size = sizeof(PCIVGAState),
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82 | be73cfe2 | Juan Quintela | .qdev.vmsd = &vmstate_vga_pci, |
83 | be92bbf7 | Gerd Hoffmann | .no_hotplug = 1,
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84 | 47d37dd9 | Juan Quintela | .init = pci_vga_initfn, |
85 | 78895427 | Gerd Hoffmann | .romfile = "vgabios-stdvga.bin",
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86 | 32902772 | Isaku Yamahata | |
87 | 32902772 | Isaku Yamahata | /* dummy VGA (same as Bochs ID) */
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88 | 32902772 | Isaku Yamahata | .vendor_id = PCI_VENDOR_ID_QEMU, |
89 | 32902772 | Isaku Yamahata | .device_id = PCI_DEVICE_ID_QEMU_VGA, |
90 | 32902772 | Isaku Yamahata | .class_id = PCI_CLASS_DISPLAY_VGA, |
91 | 47d37dd9 | Juan Quintela | }; |
92 | 47d37dd9 | Juan Quintela | |
93 | 47d37dd9 | Juan Quintela | static void vga_register(void) |
94 | 47d37dd9 | Juan Quintela | { |
95 | 47d37dd9 | Juan Quintela | pci_qdev_register(&vga_info); |
96 | 47d37dd9 | Juan Quintela | } |
97 | 47d37dd9 | Juan Quintela | device_init(vga_register); |