root / hw / vga-isa.c @ 8294a64d
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1 | 76323919 | Juan Quintela | /*
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2 | 76323919 | Juan Quintela | * QEMU ISA VGA Emulator.
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3 | 76323919 | Juan Quintela | *
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4 | 76323919 | Juan Quintela | * Copyright (c) 2003 Fabrice Bellard
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5 | 76323919 | Juan Quintela | *
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6 | 76323919 | Juan Quintela | * Permission is hereby granted, free of charge, to any person obtaining a copy
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7 | 76323919 | Juan Quintela | * of this software and associated documentation files (the "Software"), to deal
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8 | 76323919 | Juan Quintela | * in the Software without restriction, including without limitation the rights
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9 | 76323919 | Juan Quintela | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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10 | 76323919 | Juan Quintela | * copies of the Software, and to permit persons to whom the Software is
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11 | 76323919 | Juan Quintela | * furnished to do so, subject to the following conditions:
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12 | 76323919 | Juan Quintela | *
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13 | 76323919 | Juan Quintela | * The above copyright notice and this permission notice shall be included in
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14 | 76323919 | Juan Quintela | * all copies or substantial portions of the Software.
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15 | 76323919 | Juan Quintela | *
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16 | 76323919 | Juan Quintela | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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17 | 76323919 | Juan Quintela | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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18 | 76323919 | Juan Quintela | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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19 | 76323919 | Juan Quintela | * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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20 | 76323919 | Juan Quintela | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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21 | 76323919 | Juan Quintela | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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22 | 76323919 | Juan Quintela | * THE SOFTWARE.
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23 | 76323919 | Juan Quintela | */
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24 | 76323919 | Juan Quintela | #include "hw.h" |
25 | 76323919 | Juan Quintela | #include "console.h" |
26 | 76323919 | Juan Quintela | #include "pc.h" |
27 | 76323919 | Juan Quintela | #include "vga_int.h" |
28 | 76323919 | Juan Quintela | #include "pixel_ops.h" |
29 | 76323919 | Juan Quintela | #include "qemu-timer.h" |
30 | 5245d57a | Gerd Hoffmann | #include "loader.h" |
31 | 76323919 | Juan Quintela | |
32 | 7435b791 | Blue Swirl | typedef struct ISAVGAState { |
33 | 7435b791 | Blue Swirl | ISADevice dev; |
34 | 7435b791 | Blue Swirl | struct VGACommonState state;
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35 | 7435b791 | Blue Swirl | } ISAVGAState; |
36 | 7435b791 | Blue Swirl | |
37 | 7435b791 | Blue Swirl | static void vga_reset_isa(DeviceState *dev) |
38 | 76323919 | Juan Quintela | { |
39 | 7435b791 | Blue Swirl | ISAVGAState *d = container_of(dev, ISAVGAState, dev.qdev); |
40 | 7435b791 | Blue Swirl | VGACommonState *s = &d->state; |
41 | 76323919 | Juan Quintela | |
42 | 7435b791 | Blue Swirl | vga_common_reset(s); |
43 | 7435b791 | Blue Swirl | } |
44 | 76323919 | Juan Quintela | |
45 | 7435b791 | Blue Swirl | static int vga_initfn(ISADevice *dev) |
46 | 7435b791 | Blue Swirl | { |
47 | 7435b791 | Blue Swirl | ISAVGAState *d = DO_UPCAST(ISAVGAState, dev, dev); |
48 | 7435b791 | Blue Swirl | VGACommonState *s = &d->state; |
49 | b1950430 | Avi Kivity | MemoryRegion *vga_io_memory; |
50 | 0a039dc7 | Richard Henderson | const MemoryRegionPortio *vga_ports, *vbe_ports;
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51 | 76323919 | Juan Quintela | |
52 | 7435b791 | Blue Swirl | vga_common_init(s, VGA_RAM_SIZE); |
53 | 53d6e682 | Jan Kiszka | s->legacy_address_space = isa_address_space(dev); |
54 | 0a039dc7 | Richard Henderson | vga_io_memory = vga_init_io(s, &vga_ports, &vbe_ports); |
55 | 0a039dc7 | Richard Henderson | isa_register_portio_list(dev, 0x3b0, vga_ports, s, "vga"); |
56 | 0a039dc7 | Richard Henderson | if (vbe_ports) {
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57 | 0a039dc7 | Richard Henderson | isa_register_portio_list(dev, 0x1ce, vbe_ports, s, "vbe"); |
58 | 0a039dc7 | Richard Henderson | } |
59 | be20f9e9 | Avi Kivity | memory_region_add_subregion_overlap(isa_address_space(dev), |
60 | b1950430 | Avi Kivity | isa_mem_base + 0x000a0000,
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61 | b1950430 | Avi Kivity | vga_io_memory, 1);
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62 | b1950430 | Avi Kivity | memory_region_set_coalescing(vga_io_memory); |
63 | 76323919 | Juan Quintela | s->ds = graphic_console_init(s->update, s->invalidate, |
64 | 76323919 | Juan Quintela | s->screen_dump, s->text_update, s); |
65 | 76323919 | Juan Quintela | |
66 | be20f9e9 | Avi Kivity | vga_init_vbe(s, isa_address_space(dev)); |
67 | 5245d57a | Gerd Hoffmann | /* ROM BIOS */
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68 | 5245d57a | Gerd Hoffmann | rom_add_vga(VGABIOS_FILENAME); |
69 | 76323919 | Juan Quintela | return 0; |
70 | 76323919 | Juan Quintela | } |
71 | 7435b791 | Blue Swirl | |
72 | 8f04ee08 | Anthony Liguori | static void vga_class_initfn(ObjectClass *klass, void *data) |
73 | 8f04ee08 | Anthony Liguori | { |
74 | 39bffca2 | Anthony Liguori | DeviceClass *dc = DEVICE_CLASS(klass); |
75 | 8f04ee08 | Anthony Liguori | ISADeviceClass *ic = ISA_DEVICE_CLASS(klass); |
76 | 8f04ee08 | Anthony Liguori | ic->init = vga_initfn; |
77 | 39bffca2 | Anthony Liguori | dc->reset = vga_reset_isa; |
78 | 39bffca2 | Anthony Liguori | dc->vmsd = &vmstate_vga_common; |
79 | 8f04ee08 | Anthony Liguori | } |
80 | 8f04ee08 | Anthony Liguori | |
81 | 39bffca2 | Anthony Liguori | static TypeInfo vga_info = {
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82 | 39bffca2 | Anthony Liguori | .name = "isa-vga",
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83 | 39bffca2 | Anthony Liguori | .parent = TYPE_ISA_DEVICE, |
84 | 39bffca2 | Anthony Liguori | .instance_size = sizeof(ISAVGAState),
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85 | 39bffca2 | Anthony Liguori | .class_init = vga_class_initfn, |
86 | 7435b791 | Blue Swirl | }; |
87 | 7435b791 | Blue Swirl | |
88 | 83f7d43a | Andreas Färber | static void vga_register_types(void) |
89 | 7435b791 | Blue Swirl | { |
90 | 39bffca2 | Anthony Liguori | type_register_static(&vga_info); |
91 | 7435b791 | Blue Swirl | } |
92 | 83f7d43a | Andreas Färber | |
93 | 83f7d43a | Andreas Färber | type_init(vga_register_types) |