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

cirrus_vga_isa.c (3576B)

      1/*
      2 * QEMU Cirrus CLGD 54xx VGA Emulator, ISA bus support
      3 *
      4 * Copyright (c) 2004 Fabrice Bellard
      5 * Copyright (c) 2004 Makoto Suzuki (suzu)
      6 *
      7 * Permission is hereby granted, free of charge, to any person obtaining a copy
      8 * of this software and associated documentation files (the "Software"), to deal
      9 * in the Software without restriction, including without limitation the rights
     10 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
     11 * copies of the Software, and to permit persons to whom the Software is
     12 * furnished to do so, subject to the following conditions:
     13 *
     14 * The above copyright notice and this permission notice shall be included in
     15 * all copies or substantial portions of the Software.
     16 *
     17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
     18 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
     19 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
     20 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
     21 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
     22 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
     23 * THE SOFTWARE.
     24 */
     25
     26#include "qemu/osdep.h"
     27#include "qapi/error.h"
     28#include "qemu/module.h"
     29#include "hw/loader.h"
     30#include "hw/qdev-properties.h"
     31#include "hw/isa/isa.h"
     32#include "cirrus_vga_internal.h"
     33#include "qom/object.h"
     34
     35#define TYPE_ISA_CIRRUS_VGA "isa-cirrus-vga"
     36OBJECT_DECLARE_SIMPLE_TYPE(ISACirrusVGAState, ISA_CIRRUS_VGA)
     37
     38struct ISACirrusVGAState {
     39    ISADevice parent_obj;
     40
     41    CirrusVGAState cirrus_vga;
     42};
     43
     44static void isa_cirrus_vga_realizefn(DeviceState *dev, Error **errp)
     45{
     46    ISADevice *isadev = ISA_DEVICE(dev);
     47    ISACirrusVGAState *d = ISA_CIRRUS_VGA(dev);
     48    VGACommonState *s = &d->cirrus_vga.vga;
     49
     50    /* follow real hardware, cirrus card emulated has 4 MB video memory.
     51       Also accept 8 MB/16 MB for backward compatibility. */
     52    if (s->vram_size_mb != 4 && s->vram_size_mb != 8 &&
     53        s->vram_size_mb != 16) {
     54        error_setg(errp, "Invalid cirrus_vga ram size '%u'",
     55                   s->vram_size_mb);
     56        return;
     57    }
     58    s->global_vmstate = true;
     59    vga_common_init(s, OBJECT(dev));
     60    cirrus_init_common(&d->cirrus_vga, OBJECT(dev), CIRRUS_ID_CLGD5430, 0,
     61                       isa_address_space(isadev),
     62                       isa_address_space_io(isadev));
     63    s->con = graphic_console_init(dev, 0, s->hw_ops, s);
     64    rom_add_vga(VGABIOS_CIRRUS_FILENAME);
     65    /* XXX ISA-LFB support */
     66    /* FIXME not qdev yet */
     67}
     68
     69static Property isa_cirrus_vga_properties[] = {
     70    DEFINE_PROP_UINT32("vgamem_mb", struct ISACirrusVGAState,
     71                       cirrus_vga.vga.vram_size_mb, 4),
     72    DEFINE_PROP_BOOL("blitter", struct ISACirrusVGAState,
     73                     cirrus_vga.enable_blitter, true),
     74    DEFINE_PROP_END_OF_LIST(),
     75};
     76
     77static void isa_cirrus_vga_class_init(ObjectClass *klass, void *data)
     78{
     79    DeviceClass *dc = DEVICE_CLASS(klass);
     80
     81    dc->vmsd  = &vmstate_cirrus_vga;
     82    dc->realize = isa_cirrus_vga_realizefn;
     83    device_class_set_props(dc, isa_cirrus_vga_properties);
     84    set_bit(DEVICE_CATEGORY_DISPLAY, dc->categories);
     85}
     86
     87static const TypeInfo isa_cirrus_vga_info = {
     88    .name          = TYPE_ISA_CIRRUS_VGA,
     89    .parent        = TYPE_ISA_DEVICE,
     90    .instance_size = sizeof(ISACirrusVGAState),
     91    .class_init = isa_cirrus_vga_class_init,
     92};
     93
     94static void cirrus_vga_isa_register_types(void)
     95{
     96    type_register_static(&isa_cirrus_vga_info);
     97}
     98
     99type_init(cirrus_vga_isa_register_types)