Archipelago » qemu

/*

 * QEMU PCI VGA Emulator.

 *

 * Copyright (c) 2003 Fabrice Bellard

 *

 * 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 "hw.h"

#include "console.h"

#include "pc.h"

#include "pci.h"

#include "vga_int.h"

#include "pixel_ops.h"

#include "qemu-timer.h"

#include "loader.h"

typedef struct PCIVGAState {

    PCIDevice dev;

    VGACommonState vga;

} PCIVGAState;

static const VMStateDescription vmstate_vga_pci = {

    .name = "vga",

    .version_id = 2,

    .minimum_version_id = 2,

    .minimum_version_id_old = 2,

    .fields      = (VMStateField []) {

        VMSTATE_PCI_DEVICE(dev, PCIVGAState),

        VMSTATE_STRUCT(vga, PCIVGAState, 0, vmstate_vga_common, VGACommonState),

        VMSTATE_END_OF_LIST()

    }

};

static int pci_vga_initfn(PCIDevice *dev)

{

     PCIVGAState *d = DO_UPCAST(PCIVGAState, dev, dev);

     VGACommonState *s = &d->vga;

     // vga + console init

     vga_common_init(s, VGA_RAM_SIZE);

     vga_init(s);

     s->ds = graphic_console_init(s->update, s->invalidate,

                                  s->screen_dump, s->text_update, s);

     /* XXX: VGA_RAM_SIZE must be a power of two */

     pci_register_bar(&d->dev, 0, PCI_BASE_ADDRESS_MEM_PREFETCH, &s->vram);

     if (!dev->rom_bar) {

         /* compatibility with pc-0.13 and older */

         vga_init_vbe(s);

     }

     return 0;

}

int pci_vga_init(PCIBus *bus)

{

    pci_create_simple(bus, -1, "VGA");

    return 0;

}

static PCIDeviceInfo vga_info = {

    .qdev.name    = "VGA",

    .qdev.size    = sizeof(PCIVGAState),

    .qdev.vmsd    = &vmstate_vga_pci,

    .no_hotplug   = 1,

    .init         = pci_vga_initfn,

    .romfile      = "vgabios-stdvga.bin",

    /* dummy VGA (same as Bochs ID) */

    .vendor_id    = PCI_VENDOR_ID_QEMU,

    .device_id    = PCI_DEVICE_ID_QEMU_VGA,

    .class_id     = PCI_CLASS_DISPLAY_VGA,

};

static void vga_register(void)

{

    pci_qdev_register(&vga_info);

}

device_init(vga_register);