qemu/hw/sga.c

/*
 * QEMU dummy ISA device for loading sgabios option rom.
 *
 * Copyright (c) 2011 Glauber Costa, Red Hat Inc.
 *
 * 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.
 *
 * sgabios code originally available at code.google.com/p/sgabios
 *
 */
#include "pci.h"
#include "pc.h"
#include "loader.h"
#include "sysemu.h"

#define SGABIOS_FILENAME "sgabios.bin"

typedef struct ISAGAState {
    ISADevice dev;
} ISASGAState;

static int isa_cirrus_vga_initfn(ISADevice *dev)
{
    rom_add_vga(SGABIOS_FILENAME);
    return 0;
}

static ISADeviceInfo sga_info = {
    .qdev.name    = "sga",
    .qdev.desc    = "Serial Graphics Adapter",
    .qdev.size    = sizeof(ISASGAState),
    .init         = isa_cirrus_vga_initfn,
};

static void sga_register(void)
{
      isa_qdev_register(&sga_info);
}

device_init(sga_register);