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CommitLineData
76323919
JQ
1/*
2 * QEMU ISA VGA Emulator.
3 *
cc228248
GH
4 * see docs/specs/standard-vga.txt for virtual hardware specs.
5 *
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6 * Copyright (c) 2003 Fabrice Bellard
7 *
8 * Permission is hereby granted, free of charge, to any person obtaining a copy
9 * of this software and associated documentation files (the "Software"), to deal
10 * in the Software without restriction, including without limitation the rights
11 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
12 * copies of the Software, and to permit persons to whom the Software is
13 * furnished to do so, subject to the following conditions:
14 *
15 * The above copyright notice and this permission notice shall be included in
16 * all copies or substantial portions of the Software.
17 *
18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
19 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
20 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
21 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
22 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
23 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
24 * THE SOFTWARE.
25 */
0b8fa32f 26
47df5154 27#include "qemu/osdep.h"
866e2b37 28#include "hw/isa/isa.h"
47b43a1f 29#include "vga_int.h"
28ecbaee 30#include "ui/pixel_ops.h"
0b8fa32f 31#include "qemu/module.h"
1de7afc9 32#include "qemu/timer.h"
83c9f4ca 33#include "hw/loader.h"
a27bd6c7 34#include "hw/qdev-properties.h"
db1015e9 35#include "qom/object.h"
76323919 36
a72dc5fc 37#define TYPE_ISA_VGA "isa-vga"
8063396b 38OBJECT_DECLARE_SIMPLE_TYPE(ISAVGAState, ISA_VGA)
a72dc5fc 39
db1015e9 40struct ISAVGAState {
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41 ISADevice parent_obj;
42
7435b791 43 struct VGACommonState state;
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44 PortioList portio_vga;
45 PortioList portio_vbe;
db1015e9 46};
7435b791 47
a72dc5fc 48static void vga_isa_reset(DeviceState *dev)
76323919 49{
a72dc5fc 50 ISAVGAState *d = ISA_VGA(dev);
7435b791 51 VGACommonState *s = &d->state;
76323919 52
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BS
53 vga_common_reset(s);
54}
76323919 55
db895a1e 56static void vga_isa_realizefn(DeviceState *dev, Error **errp)
7435b791 57{
db895a1e 58 ISADevice *isadev = ISA_DEVICE(dev);
a72dc5fc 59 ISAVGAState *d = ISA_VGA(dev);
7435b791 60 VGACommonState *s = &d->state;
b1950430 61 MemoryRegion *vga_io_memory;
0a039dc7 62 const MemoryRegionPortio *vga_ports, *vbe_ports;
76323919 63
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64 s->global_vmstate = true;
65 vga_common_init(s, OBJECT(dev));
db895a1e 66 s->legacy_address_space = isa_address_space(isadev);
c84b28ee 67 vga_io_memory = vga_init_io(s, OBJECT(dev), &vga_ports, &vbe_ports);
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68 isa_register_portio_list(isadev, &d->portio_vga,
69 0x3b0, vga_ports, s, "vga");
0a039dc7 70 if (vbe_ports) {
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71 isa_register_portio_list(isadev, &d->portio_vbe,
72 0x1ce, vbe_ports, s, "vbe");
0a039dc7 73 }
db895a1e 74 memory_region_add_subregion_overlap(isa_address_space(isadev),
b19c1c08 75 0x000a0000,
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76 vga_io_memory, 1);
77 memory_region_set_coalescing(vga_io_memory);
8e5c952b 78 s->con = graphic_console_init(dev, 0, s->hw_ops, s);
76323919 79
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80 memory_region_add_subregion(isa_address_space(isadev),
81 VBE_DISPI_LFB_PHYSICAL_ADDRESS,
82 &s->vram);
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83 /* ROM BIOS */
84 rom_add_vga(VGABIOS_FILENAME);
76323919 85}
7435b791 86
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87static Property vga_isa_properties[] = {
88 DEFINE_PROP_UINT32("vgamem_mb", ISAVGAState, state.vram_size_mb, 8),
89 DEFINE_PROP_END_OF_LIST(),
90};
91
a72dc5fc 92static void vga_isa_class_initfn(ObjectClass *klass, void *data)
8f04ee08 93{
39bffca2 94 DeviceClass *dc = DEVICE_CLASS(klass);
a72dc5fc 95
db895a1e 96 dc->realize = vga_isa_realizefn;
a72dc5fc 97 dc->reset = vga_isa_reset;
39bffca2 98 dc->vmsd = &vmstate_vga_common;
4f67d30b 99 device_class_set_props(dc, vga_isa_properties);
125ee0ed 100 set_bit(DEVICE_CATEGORY_DISPLAY, dc->categories);
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101}
102
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103static const TypeInfo vga_isa_info = {
104 .name = TYPE_ISA_VGA,
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105 .parent = TYPE_ISA_DEVICE,
106 .instance_size = sizeof(ISAVGAState),
a72dc5fc 107 .class_init = vga_isa_class_initfn,
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108};
109
a72dc5fc 110static void vga_isa_register_types(void)
7435b791 111{
a72dc5fc 112 type_register_static(&vga_isa_info);
7435b791 113}
83f7d43a 114
a72dc5fc 115type_init(vga_isa_register_types)