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

i82801b11.c (4226B)

      1/*
      2 * Copyright (c) 2006 Fabrice Bellard
      3 *
      4 * Permission is hereby granted, free of charge, to any person obtaining a copy
      5 * of this software and associated documentation files (the "Software"), to deal
      6 * in the Software without restriction, including without limitation the rights
      7 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
      8 * copies of the Software, and to permit persons to whom the Software is
      9 * furnished to do so, subject to the following conditions:
     10 *
     11 * The above copyright notice and this permission notice shall be included in
     12 * all copies or substantial portions of the Software.
     13 *
     14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
     15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
     16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
     17 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
     18 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
     19 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
     20 * THE SOFTWARE.
     21 */
     22/*
     23 * QEMU i82801b11 dmi-to-pci Bridge Emulation
     24 *
     25 *  Copyright (c) 2009, 2010, 2011
     26 *                Isaku Yamahata <yamahata at valinux co jp>
     27 *                VA Linux Systems Japan K.K.
     28 *  Copyright (C) 2012 Jason Baron <jbaron@redhat.com>
     29 *
     30 * This library is free software; you can redistribute it and/or
     31 * modify it under the terms of the GNU Lesser General Public
     32 * License as published by the Free Software Foundation; either
     33 * version 2.1 of the License, or (at your option) any later version.
     34 *
     35 * This library is distributed in the hope that it will be useful,
     36 * but WITHOUT ANY WARRANTY; without even the implied warranty of
     37 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
     38 * Lesser General Public License for more details.
     39 *
     40 * You should have received a copy of the GNU Lesser General Public
     41 * License along with this library; if not, see <http://www.gnu.org/licenses/>
     42 */
     43
     44#include "qemu/osdep.h"
     45#include "hw/pci/pci.h"
     46#include "migration/vmstate.h"
     47#include "qemu/module.h"
     48#include "hw/i386/ich9.h"
     49
     50/*****************************************************************************/
     51/* ICH9 DMI-to-PCI bridge */
     52#define I82801ba_SSVID_OFFSET   0x50
     53#define I82801ba_SSVID_SVID     0
     54#define I82801ba_SSVID_SSID     0
     55
     56typedef struct I82801b11Bridge {
     57    /*< private >*/
     58    PCIBridge parent_obj;
     59    /*< public >*/
     60} I82801b11Bridge;
     61
     62static void i82801b11_bridge_realize(PCIDevice *d, Error **errp)
     63{
     64    int rc;
     65
     66    pci_bridge_initfn(d, TYPE_PCI_BUS);
     67
     68    rc = pci_bridge_ssvid_init(d, I82801ba_SSVID_OFFSET,
     69                               I82801ba_SSVID_SVID, I82801ba_SSVID_SSID,
     70                               errp);
     71    if (rc < 0) {
     72        goto err_bridge;
     73    }
     74    pci_config_set_prog_interface(d->config, PCI_CLASS_BRIDGE_PCI_INF_SUB);
     75    return;
     76
     77err_bridge:
     78    pci_bridge_exitfn(d);
     79}
     80
     81static const VMStateDescription i82801b11_bridge_dev_vmstate = {
     82    .name = "i82801b11_bridge",
     83    .priority = MIG_PRI_PCI_BUS,
     84    .fields = (VMStateField[]) {
     85        VMSTATE_PCI_DEVICE(parent_obj, PCIBridge),
     86        VMSTATE_END_OF_LIST()
     87    }
     88};
     89
     90static void i82801b11_bridge_class_init(ObjectClass *klass, void *data)
     91{
     92    PCIDeviceClass *k = PCI_DEVICE_CLASS(klass);
     93    DeviceClass *dc = DEVICE_CLASS(klass);
     94
     95    k->is_bridge = true;
     96    k->vendor_id = PCI_VENDOR_ID_INTEL;
     97    k->device_id = PCI_DEVICE_ID_INTEL_82801BA_11;
     98    k->revision = ICH9_D2P_A2_REVISION;
     99    k->realize = i82801b11_bridge_realize;
    100    k->config_write = pci_bridge_write_config;
    101    dc->vmsd = &i82801b11_bridge_dev_vmstate;
    102    dc->reset = pci_bridge_reset;
    103    set_bit(DEVICE_CATEGORY_BRIDGE, dc->categories);
    104}
    105
    106static const TypeInfo i82801b11_bridge_info = {
    107    .name          = "i82801b11-bridge",
    108    .parent        = TYPE_PCI_BRIDGE,
    109    .instance_size = sizeof(I82801b11Bridge),
    110    .class_init    = i82801b11_bridge_class_init,
    111    .interfaces = (InterfaceInfo[]) {
    112        { INTERFACE_CONVENTIONAL_PCI_DEVICE },
    113        { },
    114    },
    115};
    116
    117static void d2pbr_register(void)
    118{
    119    type_register_static(&i82801b11_bridge_info);
    120}
    121
    122type_init(d2pbr_register);