102 lines
3.0 KiB
C
102 lines
3.0 KiB
C
/*
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* QEMU PCI VGA Emulator.
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*
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* Copyright (c) 2003 Fabrice Bellard
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#include "hw.h"
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#include "console.h"
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#include "pc.h"
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#include "pci.h"
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#include "vga_int.h"
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#include "pixel_ops.h"
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#include "qemu-timer.h"
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#include "loader.h"
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typedef struct PCIVGAState {
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PCIDevice dev;
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VGACommonState vga;
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} PCIVGAState;
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static const VMStateDescription vmstate_vga_pci = {
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.name = "vga",
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.version_id = 2,
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.minimum_version_id = 2,
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.minimum_version_id_old = 2,
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.fields = (VMStateField []) {
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VMSTATE_PCI_DEVICE(dev, PCIVGAState),
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VMSTATE_STRUCT(vga, PCIVGAState, 0, vmstate_vga_common, VGACommonState),
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VMSTATE_END_OF_LIST()
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}
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};
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static int pci_vga_initfn(PCIDevice *dev)
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{
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PCIVGAState *d = DO_UPCAST(PCIVGAState, dev, dev);
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VGACommonState *s = &d->vga;
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// vga + console init
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vga_common_init(s, VGA_RAM_SIZE);
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vga_init(s, pci_address_space(dev), pci_address_space_io(dev), true);
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s->ds = graphic_console_init(s->update, s->invalidate,
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s->screen_dump, s->text_update, s);
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/* XXX: VGA_RAM_SIZE must be a power of two */
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pci_register_bar(&d->dev, 0, PCI_BASE_ADDRESS_MEM_PREFETCH, &s->vram);
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if (!dev->rom_bar) {
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/* compatibility with pc-0.13 and older */
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vga_init_vbe(s, pci_address_space(dev));
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}
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return 0;
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}
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DeviceState *pci_vga_init(PCIBus *bus)
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{
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return &pci_create_simple(bus, -1, "VGA")->qdev;
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}
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static void vga_class_init(ObjectClass *klass, void *data)
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{
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PCIDeviceClass *k = PCI_DEVICE_CLASS(klass);
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k->no_hotplug = 1;
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k->init = pci_vga_initfn;
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k->romfile = "vgabios-stdvga.bin";
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k->vendor_id = PCI_VENDOR_ID_QEMU;
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k->device_id = PCI_DEVICE_ID_QEMU_VGA;
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k->class_id = PCI_CLASS_DISPLAY_VGA;
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}
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static DeviceInfo vga_info = {
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.name = "VGA",
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.size = sizeof(PCIVGAState),
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.vmsd = &vmstate_vga_pci,
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.class_init = vga_class_init,
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};
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static void vga_register(void)
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{
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pci_qdev_register(&vga_info);
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}
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device_init(vga_register);
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