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76323919 JQ |
1 | /* |
2 | * QEMU ISA 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 "vga_int.h" | |
28 | #include "pixel_ops.h" | |
29 | #include "qemu-timer.h" | |
5245d57a | 30 | #include "loader.h" |
76323919 | 31 | |
7435b791 BS |
32 | typedef struct ISAVGAState { |
33 | ISADevice dev; | |
34 | struct VGACommonState state; | |
35 | } ISAVGAState; | |
36 | ||
37 | static void vga_reset_isa(DeviceState *dev) | |
76323919 | 38 | { |
7435b791 BS |
39 | ISAVGAState *d = container_of(dev, ISAVGAState, dev.qdev); |
40 | VGACommonState *s = &d->state; | |
76323919 | 41 | |
7435b791 BS |
42 | vga_common_reset(s); |
43 | } | |
76323919 | 44 | |
7435b791 BS |
45 | static int vga_initfn(ISADevice *dev) |
46 | { | |
47 | ISAVGAState *d = DO_UPCAST(ISAVGAState, dev, dev); | |
48 | VGACommonState *s = &d->state; | |
b1950430 | 49 | MemoryRegion *vga_io_memory; |
76323919 | 50 | |
7435b791 | 51 | vga_common_init(s, VGA_RAM_SIZE); |
53d6e682 | 52 | s->legacy_address_space = isa_address_space(dev); |
7435b791 | 53 | vga_io_memory = vga_init_io(s); |
be20f9e9 | 54 | memory_region_add_subregion_overlap(isa_address_space(dev), |
b1950430 AK |
55 | isa_mem_base + 0x000a0000, |
56 | vga_io_memory, 1); | |
57 | memory_region_set_coalescing(vga_io_memory); | |
7435b791 BS |
58 | isa_init_ioport(dev, 0x3c0); |
59 | isa_init_ioport(dev, 0x3b4); | |
60 | isa_init_ioport(dev, 0x3ba); | |
61 | isa_init_ioport(dev, 0x3da); | |
62 | isa_init_ioport(dev, 0x3c0); | |
63 | #ifdef CONFIG_BOCHS_VBE | |
64 | isa_init_ioport(dev, 0x1ce); | |
65 | isa_init_ioport(dev, 0x1cf); | |
66 | isa_init_ioport(dev, 0x1d0); | |
67 | #endif /* CONFIG_BOCHS_VBE */ | |
76323919 JQ |
68 | s->ds = graphic_console_init(s->update, s->invalidate, |
69 | s->screen_dump, s->text_update, s); | |
70 | ||
be20f9e9 | 71 | vga_init_vbe(s, isa_address_space(dev)); |
5245d57a GH |
72 | /* ROM BIOS */ |
73 | rom_add_vga(VGABIOS_FILENAME); | |
76323919 JQ |
74 | return 0; |
75 | } | |
7435b791 BS |
76 | |
77 | static ISADeviceInfo vga_info = { | |
78 | .qdev.name = "isa-vga", | |
79 | .qdev.size = sizeof(ISAVGAState), | |
80 | .qdev.vmsd = &vmstate_vga_common, | |
81 | .qdev.reset = vga_reset_isa, | |
7435b791 BS |
82 | .init = vga_initfn, |
83 | }; | |
84 | ||
85 | static void vga_register(void) | |
86 | { | |
87 | isa_qdev_register(&vga_info); | |
88 | } | |
89 | device_init(vga_register) |