summaryrefslogtreecommitdiffstats
path: root/hw/vga-pci.c
diff options
context:
space:
mode:
Diffstat (limited to 'hw/vga-pci.c')
-rw-r--r--hw/vga-pci.c215
1 files changed, 0 insertions, 215 deletions
diff --git a/hw/vga-pci.c b/hw/vga-pci.c
deleted file mode 100644
index 05fa9bc..0000000
--- a/hw/vga-pci.c
+++ /dev/null
@@ -1,215 +0,0 @@
-/*
- * QEMU PCI VGA Emulator.
- *
- * see docs/specs/standard-vga.txt for virtual hardware specs.
- *
- * 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/hw.h"
-#include "ui/console.h"
-#include "hw/pci/pci.h"
-#include "hw/vga_int.h"
-#include "ui/pixel_ops.h"
-#include "qemu/timer.h"
-#include "hw/loader.h"
-
-#define PCI_VGA_IOPORT_OFFSET 0x400
-#define PCI_VGA_IOPORT_SIZE (0x3e0 - 0x3c0)
-#define PCI_VGA_BOCHS_OFFSET 0x500
-#define PCI_VGA_BOCHS_SIZE (0x0b * 2)
-#define PCI_VGA_MMIO_SIZE 0x1000
-
-enum vga_pci_flags {
- PCI_VGA_FLAG_ENABLE_MMIO = 1,
-};
-
-typedef struct PCIVGAState {
- PCIDevice dev;
- VGACommonState vga;
- uint32_t flags;
- MemoryRegion mmio;
- MemoryRegion ioport;
- MemoryRegion bochs;
-} 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 uint64_t pci_vga_ioport_read(void *ptr, hwaddr addr,
- unsigned size)
-{
- PCIVGAState *d = ptr;
- uint64_t ret = 0;
-
- switch (size) {
- case 1:
- ret = vga_ioport_read(&d->vga, addr);
- break;
- case 2:
- ret = vga_ioport_read(&d->vga, addr);
- ret |= vga_ioport_read(&d->vga, addr+1) << 8;
- break;
- }
- return ret;
-}
-
-static void pci_vga_ioport_write(void *ptr, hwaddr addr,
- uint64_t val, unsigned size)
-{
- PCIVGAState *d = ptr;
-
- switch (size) {
- case 1:
- vga_ioport_write(&d->vga, addr + 0x3c0, val);
- break;
- case 2:
- /*
- * Update bytes in little endian order. Allows to update
- * indexed registers with a single word write because the
- * index byte is updated first.
- */
- vga_ioport_write(&d->vga, addr + 0x3c0, val & 0xff);
- vga_ioport_write(&d->vga, addr + 0x3c1, (val >> 8) & 0xff);
- break;
- }
-}
-
-static const MemoryRegionOps pci_vga_ioport_ops = {
- .read = pci_vga_ioport_read,
- .write = pci_vga_ioport_write,
- .valid.min_access_size = 1,
- .valid.max_access_size = 4,
- .impl.min_access_size = 1,
- .impl.max_access_size = 2,
- .endianness = DEVICE_LITTLE_ENDIAN,
-};
-
-static uint64_t pci_vga_bochs_read(void *ptr, hwaddr addr,
- unsigned size)
-{
- PCIVGAState *d = ptr;
- int index = addr >> 1;
-
- vbe_ioport_write_index(&d->vga, 0, index);
- return vbe_ioport_read_data(&d->vga, 0);
-}
-
-static void pci_vga_bochs_write(void *ptr, hwaddr addr,
- uint64_t val, unsigned size)
-{
- PCIVGAState *d = ptr;
- int index = addr >> 1;
-
- vbe_ioport_write_index(&d->vga, 0, index);
- vbe_ioport_write_data(&d->vga, 0, val);
-}
-
-static const MemoryRegionOps pci_vga_bochs_ops = {
- .read = pci_vga_bochs_read,
- .write = pci_vga_bochs_write,
- .valid.min_access_size = 1,
- .valid.max_access_size = 4,
- .impl.min_access_size = 2,
- .impl.max_access_size = 2,
- .endianness = DEVICE_LITTLE_ENDIAN,
-};
-
-static int pci_std_vga_initfn(PCIDevice *dev)
-{
- PCIVGAState *d = DO_UPCAST(PCIVGAState, dev, dev);
- VGACommonState *s = &d->vga;
-
- /* vga + console init */
- vga_common_init(s);
- vga_init(s, pci_address_space(dev), pci_address_space_io(dev), true);
-
- s->con = 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);
-
- /* mmio bar for vga register access */
- if (d->flags & (1 << PCI_VGA_FLAG_ENABLE_MMIO)) {
- memory_region_init(&d->mmio, "vga.mmio", 4096);
- memory_region_init_io(&d->ioport, &pci_vga_ioport_ops, d,
- "vga ioports remapped", PCI_VGA_IOPORT_SIZE);
- memory_region_init_io(&d->bochs, &pci_vga_bochs_ops, d,
- "bochs dispi interface", PCI_VGA_BOCHS_SIZE);
-
- memory_region_add_subregion(&d->mmio, PCI_VGA_IOPORT_OFFSET,
- &d->ioport);
- memory_region_add_subregion(&d->mmio, PCI_VGA_BOCHS_OFFSET,
- &d->bochs);
- pci_register_bar(&d->dev, 2, PCI_BASE_ADDRESS_SPACE_MEMORY, &d->mmio);
- }
-
- if (!dev->rom_bar) {
- /* compatibility with pc-0.13 and older */
- vga_init_vbe(s, pci_address_space(dev));
- }
-
- return 0;
-}
-
-static Property vga_pci_properties[] = {
- DEFINE_PROP_UINT32("vgamem_mb", PCIVGAState, vga.vram_size_mb, 16),
- DEFINE_PROP_BIT("mmio", PCIVGAState, flags, PCI_VGA_FLAG_ENABLE_MMIO, true),
- DEFINE_PROP_END_OF_LIST(),
-};
-
-static void vga_class_init(ObjectClass *klass, void *data)
-{
- DeviceClass *dc = DEVICE_CLASS(klass);
- PCIDeviceClass *k = PCI_DEVICE_CLASS(klass);
-
- k->no_hotplug = 1;
- k->init = pci_std_vga_initfn;
- k->romfile = "vgabios-stdvga.bin";
- k->vendor_id = PCI_VENDOR_ID_QEMU;
- k->device_id = PCI_DEVICE_ID_QEMU_VGA;
- k->class_id = PCI_CLASS_DISPLAY_VGA;
- dc->vmsd = &vmstate_vga_pci;
- dc->props = vga_pci_properties;
-}
-
-static const TypeInfo vga_info = {
- .name = "VGA",
- .parent = TYPE_PCI_DEVICE,
- .instance_size = sizeof(PCIVGAState),
- .class_init = vga_class_init,
-};
-
-static void vga_register_types(void)
-{
- type_register_static(&vga_info);
-}
-
-type_init(vga_register_types)
OpenPOWER on IntegriCloud