diff options
Diffstat (limited to 'hw/display/vga-isa.c')
-rw-r--r-- | hw/display/vga-isa.c | 101 |
1 files changed, 101 insertions, 0 deletions
diff --git a/hw/display/vga-isa.c b/hw/display/vga-isa.c new file mode 100644 index 0000000000..89d7fa6c3c --- /dev/null +++ b/hw/display/vga-isa.c @@ -0,0 +1,101 @@ +/* + * QEMU ISA 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/i386/pc.h" +#include "hw/vga_int.h" +#include "ui/pixel_ops.h" +#include "qemu/timer.h" +#include "hw/loader.h" + +typedef struct ISAVGAState { + ISADevice dev; + struct VGACommonState state; +} ISAVGAState; + +static void vga_reset_isa(DeviceState *dev) +{ + ISAVGAState *d = container_of(dev, ISAVGAState, dev.qdev); + VGACommonState *s = &d->state; + + vga_common_reset(s); +} + +static int vga_initfn(ISADevice *dev) +{ + ISAVGAState *d = DO_UPCAST(ISAVGAState, dev, dev); + VGACommonState *s = &d->state; + MemoryRegion *vga_io_memory; + const MemoryRegionPortio *vga_ports, *vbe_ports; + + vga_common_init(s); + s->legacy_address_space = isa_address_space(dev); + vga_io_memory = vga_init_io(s, &vga_ports, &vbe_ports); + isa_register_portio_list(dev, 0x3b0, vga_ports, s, "vga"); + if (vbe_ports) { + isa_register_portio_list(dev, 0x1ce, vbe_ports, s, "vbe"); + } + memory_region_add_subregion_overlap(isa_address_space(dev), + isa_mem_base + 0x000a0000, + vga_io_memory, 1); + memory_region_set_coalescing(vga_io_memory); + s->con = graphic_console_init(s->update, s->invalidate, + s->screen_dump, s->text_update, s); + + vga_init_vbe(s, isa_address_space(dev)); + /* ROM BIOS */ + rom_add_vga(VGABIOS_FILENAME); + return 0; +} + +static Property vga_isa_properties[] = { + DEFINE_PROP_UINT32("vgamem_mb", ISAVGAState, state.vram_size_mb, 8), + DEFINE_PROP_END_OF_LIST(), +}; + +static void vga_class_initfn(ObjectClass *klass, void *data) +{ + DeviceClass *dc = DEVICE_CLASS(klass); + ISADeviceClass *ic = ISA_DEVICE_CLASS(klass); + ic->init = vga_initfn; + dc->reset = vga_reset_isa; + dc->vmsd = &vmstate_vga_common; + dc->props = vga_isa_properties; +} + +static const TypeInfo vga_info = { + .name = "isa-vga", + .parent = TYPE_ISA_DEVICE, + .instance_size = sizeof(ISAVGAState), + .class_init = vga_class_initfn, +}; + +static void vga_register_types(void) +{ + type_register_static(&vga_info); +} + +type_init(vga_register_types) |