root / hw / vga-isa.c @ 4dad7f1e
History | View | Annotate | Download (2.8 kB)
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" |
30 |
#include "loader.h" |
31 |
|
32 |
typedef struct ISAVGAState { |
33 |
ISADevice dev; |
34 |
struct VGACommonState state;
|
35 |
} ISAVGAState; |
36 |
|
37 |
static void vga_reset_isa(DeviceState *dev) |
38 |
{ |
39 |
ISAVGAState *d = container_of(dev, ISAVGAState, dev.qdev); |
40 |
VGACommonState *s = &d->state; |
41 |
|
42 |
vga_common_reset(s); |
43 |
} |
44 |
|
45 |
static int vga_initfn(ISADevice *dev) |
46 |
{ |
47 |
ISAVGAState *d = DO_UPCAST(ISAVGAState, dev, dev); |
48 |
VGACommonState *s = &d->state; |
49 |
int vga_io_memory;
|
50 |
|
51 |
vga_common_init(s, VGA_RAM_SIZE); |
52 |
vga_io_memory = vga_init_io(s); |
53 |
cpu_register_physical_memory(isa_mem_base + 0x000a0000, 0x20000, |
54 |
vga_io_memory); |
55 |
qemu_register_coalesced_mmio(isa_mem_base + 0x000a0000, 0x20000); |
56 |
isa_init_ioport(dev, 0x3c0);
|
57 |
isa_init_ioport(dev, 0x3b4);
|
58 |
isa_init_ioport(dev, 0x3ba);
|
59 |
isa_init_ioport(dev, 0x3da);
|
60 |
isa_init_ioport(dev, 0x3c0);
|
61 |
#ifdef CONFIG_BOCHS_VBE
|
62 |
isa_init_ioport(dev, 0x1ce);
|
63 |
isa_init_ioport(dev, 0x1cf);
|
64 |
isa_init_ioport(dev, 0x1d0);
|
65 |
#endif /* CONFIG_BOCHS_VBE */ |
66 |
s->ds = graphic_console_init(s->update, s->invalidate, |
67 |
s->screen_dump, s->text_update, s); |
68 |
|
69 |
vga_init_vbe(s); |
70 |
/* ROM BIOS */
|
71 |
rom_add_vga(VGABIOS_FILENAME); |
72 |
return 0; |
73 |
} |
74 |
|
75 |
static ISADeviceInfo vga_info = {
|
76 |
.qdev.name = "isa-vga",
|
77 |
.qdev.size = sizeof(ISAVGAState),
|
78 |
.qdev.vmsd = &vmstate_vga_common, |
79 |
.qdev.reset = vga_reset_isa, |
80 |
.qdev.no_user = 1,
|
81 |
.init = vga_initfn, |
82 |
}; |
83 |
|
84 |
static void vga_register(void) |
85 |
{ |
86 |
isa_qdev_register(&vga_info); |
87 |
} |
88 |
device_init(vga_register) |