cachepc-qemu

Fork of AMDESE/qemu with changes for cachepc side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-qemu
Log | Files | Refs | Submodules | LICENSE | sfeed.txt

sga.c (2181B)


      1/*
      2 * QEMU dummy ISA device for loading sgabios option rom.
      3 *
      4 * Copyright (c) 2011 Glauber Costa, Red Hat Inc.
      5 *
      6 * Permission is hereby granted, free of charge, to any person obtaining a copy
      7 * of this software and associated documentation files (the "Software"), to deal
      8 * in the Software without restriction, including without limitation the rights
      9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
     10 * copies of the Software, and to permit persons to whom the Software is
     11 * furnished to do so, subject to the following conditions:
     12 *
     13 * The above copyright notice and this permission notice shall be included in
     14 * all copies or substantial portions of the Software.
     15 *
     16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
     17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
     18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
     19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
     20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
     21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
     22 * THE SOFTWARE.
     23 *
     24 * sgabios code originally available at code.google.com/p/sgabios
     25 *
     26 */
     27
     28#include "qemu/osdep.h"
     29#include "hw/isa/isa.h"
     30#include "hw/loader.h"
     31#include "qemu/module.h"
     32#include "qom/object.h"
     33
     34#define SGABIOS_FILENAME "sgabios.bin"
     35
     36#define TYPE_SGA "sga"
     37OBJECT_DECLARE_SIMPLE_TYPE(ISASGAState, SGA)
     38
     39struct ISASGAState {
     40    ISADevice parent_obj;
     41};
     42
     43static void sga_realizefn(DeviceState *dev, Error **errp)
     44{
     45    rom_add_vga(SGABIOS_FILENAME);
     46}
     47
     48static void sga_class_initfn(ObjectClass *klass, void *data)
     49{
     50    DeviceClass *dc = DEVICE_CLASS(klass);
     51
     52    set_bit(DEVICE_CATEGORY_DISPLAY, dc->categories);
     53    dc->realize = sga_realizefn;
     54    dc->desc = "Serial Graphics Adapter";
     55}
     56
     57static const TypeInfo sga_info = {
     58    .name          = TYPE_SGA,
     59    .parent        = TYPE_ISA_DEVICE,
     60    .instance_size = sizeof(ISASGAState),
     61    .class_init    = sga_class_initfn,
     62};
     63
     64static void sga_register_types(void)
     65{
     66    type_register_static(&sga_info);
     67}
     68
     69type_init(sga_register_types)