98 lines
		
	
	
		
			2.9 KiB
		
	
	
	
		
			C
		
	
	
	
			
		
		
	
	
			98 lines
		
	
	
		
			2.9 KiB
		
	
	
	
		
			C
		
	
	
	
| /*
 | |
|  * 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, pci_address_space(dev));
 | |
| 
 | |
|      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, pci_address_space(dev));
 | |
|      }
 | |
| 
 | |
|      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);
 |