mirror of https://gitee.com/openkylin/qemu.git
99 lines
3.5 KiB
C
99 lines
3.5 KiB
C
/*
|
|
* QEMU Cirrus CLGD 54xx VGA Emulator, ISA bus support
|
|
*
|
|
* Copyright (c) 2004 Fabrice Bellard
|
|
* Copyright (c) 2004 Makoto Suzuki (suzu)
|
|
*
|
|
* Permission is hereby granted, free of charge, to any person obtaining a copy
|
|
* of this software and associated documentation files (the "Software"), to deal
|
|
* in the Software without restriction, including without limitation the rights
|
|
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
|
* copies of the Software, and to permit persons to whom the Software is
|
|
* furnished to do so, subject to the following conditions:
|
|
*
|
|
* The above copyright notice and this permission notice shall be included in
|
|
* all copies or substantial portions of the Software.
|
|
*
|
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
|
|
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
|
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
|
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
|
|
* THE SOFTWARE.
|
|
*/
|
|
|
|
#include "qemu/osdep.h"
|
|
#include "qapi/error.h"
|
|
#include "hw/hw.h"
|
|
#include "hw/loader.h"
|
|
#include "hw/isa/isa.h"
|
|
#include "cirrus_vga_internal.h"
|
|
|
|
#define TYPE_ISA_CIRRUS_VGA "isa-cirrus-vga"
|
|
#define ISA_CIRRUS_VGA(obj) \
|
|
OBJECT_CHECK(ISACirrusVGAState, (obj), TYPE_ISA_CIRRUS_VGA)
|
|
|
|
typedef struct ISACirrusVGAState {
|
|
ISADevice parent_obj;
|
|
|
|
CirrusVGAState cirrus_vga;
|
|
} ISACirrusVGAState;
|
|
|
|
static void isa_cirrus_vga_realizefn(DeviceState *dev, Error **errp)
|
|
{
|
|
ISADevice *isadev = ISA_DEVICE(dev);
|
|
ISACirrusVGAState *d = ISA_CIRRUS_VGA(dev);
|
|
VGACommonState *s = &d->cirrus_vga.vga;
|
|
|
|
/* follow real hardware, cirrus card emulated has 4 MB video memory.
|
|
Also accept 8 MB/16 MB for backward compatibility. */
|
|
if (s->vram_size_mb != 4 && s->vram_size_mb != 8 &&
|
|
s->vram_size_mb != 16) {
|
|
error_setg(errp, "Invalid cirrus_vga ram size '%u'",
|
|
s->vram_size_mb);
|
|
return;
|
|
}
|
|
s->global_vmstate = true;
|
|
vga_common_init(s, OBJECT(dev));
|
|
cirrus_init_common(&d->cirrus_vga, OBJECT(dev), CIRRUS_ID_CLGD5430, 0,
|
|
isa_address_space(isadev),
|
|
isa_address_space_io(isadev));
|
|
s->con = graphic_console_init(dev, 0, s->hw_ops, s);
|
|
rom_add_vga(VGABIOS_CIRRUS_FILENAME);
|
|
/* XXX ISA-LFB support */
|
|
/* FIXME not qdev yet */
|
|
}
|
|
|
|
static Property isa_cirrus_vga_properties[] = {
|
|
DEFINE_PROP_UINT32("vgamem_mb", struct ISACirrusVGAState,
|
|
cirrus_vga.vga.vram_size_mb, 4),
|
|
DEFINE_PROP_BOOL("blitter", struct ISACirrusVGAState,
|
|
cirrus_vga.enable_blitter, true),
|
|
DEFINE_PROP_END_OF_LIST(),
|
|
};
|
|
|
|
static void isa_cirrus_vga_class_init(ObjectClass *klass, void *data)
|
|
{
|
|
DeviceClass *dc = DEVICE_CLASS(klass);
|
|
|
|
dc->vmsd = &vmstate_cirrus_vga;
|
|
dc->realize = isa_cirrus_vga_realizefn;
|
|
dc->props = isa_cirrus_vga_properties;
|
|
set_bit(DEVICE_CATEGORY_DISPLAY, dc->categories);
|
|
}
|
|
|
|
static const TypeInfo isa_cirrus_vga_info = {
|
|
.name = TYPE_ISA_CIRRUS_VGA,
|
|
.parent = TYPE_ISA_DEVICE,
|
|
.instance_size = sizeof(ISACirrusVGAState),
|
|
.class_init = isa_cirrus_vga_class_init,
|
|
};
|
|
|
|
static void cirrus_vga_isa_register_types(void)
|
|
{
|
|
type_register_static(&isa_cirrus_vga_info);
|
|
}
|
|
|
|
type_init(cirrus_vga_isa_register_types)
|