| /* |
| * QEMU ISA 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 "vga_int.h" |
| #include "pixel_ops.h" |
| #include "qemu-timer.h" |
| #include "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; |
| |
| vga_common_init(s, VGA_RAM_SIZE); |
| vga_io_memory = vga_init_io(s); |
| memory_region_add_subregion_overlap(isa_address_space(dev), |
| isa_mem_base + 0x000a0000, |
| vga_io_memory, 1); |
| memory_region_set_coalescing(vga_io_memory); |
| isa_init_ioport(dev, 0x3c0); |
| isa_init_ioport(dev, 0x3b4); |
| isa_init_ioport(dev, 0x3ba); |
| isa_init_ioport(dev, 0x3da); |
| isa_init_ioport(dev, 0x3c0); |
| #ifdef CONFIG_BOCHS_VBE |
| isa_init_ioport(dev, 0x1ce); |
| isa_init_ioport(dev, 0x1cf); |
| isa_init_ioport(dev, 0x1d0); |
| #endif /* CONFIG_BOCHS_VBE */ |
| s->ds = 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 ISADeviceInfo vga_info = { |
| .qdev.name = "isa-vga", |
| .qdev.size = sizeof(ISAVGAState), |
| .qdev.vmsd = &vmstate_vga_common, |
| .qdev.reset = vga_reset_isa, |
| .init = vga_initfn, |
| }; |
| |
| static void vga_register(void) |
| { |
| isa_qdev_register(&vga_info); |
| } |
| device_init(vga_register) |