cachepc-qemu

Fork of AMDESE/qemu with changes for cachepc side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-qemu
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ac97-test.c (1338B)

      1/*
      2 * QTest testcase for AC97
      3 *
      4 * Copyright (c) 2014 SUSE LINUX Products GmbH
      5 *
      6 * This work is licensed under the terms of the GNU GPL, version 2 or later.
      7 * See the COPYING file in the top-level directory.
      8 */
      9
     10#include "qemu/osdep.h"
     11#include "libqos/libqtest.h"
     12#include "qemu/module.h"
     13#include "libqos/qgraph.h"
     14#include "libqos/pci.h"
     15
     16typedef struct QAC97 QAC97;
     17
     18struct QAC97 {
     19    QOSGraphObject obj;
     20    QPCIDevice dev;
     21};
     22
     23static void *ac97_get_driver(void *obj, const char *interface)
     24{
     25    QAC97 *ac97 = obj;
     26
     27    if (!g_strcmp0(interface, "pci-device")) {
     28        return &ac97->dev;
     29    }
     30
     31    fprintf(stderr, "%s not present in e1000e\n", interface);
     32    g_assert_not_reached();
     33}
     34
     35static void *ac97_create(void *pci_bus, QGuestAllocator *alloc, void *addr)
     36{
     37    QAC97 *ac97 = g_new0(QAC97, 1);
     38    QPCIBus *bus = pci_bus;
     39
     40    qpci_device_init(&ac97->dev, bus, addr);
     41    ac97->obj.get_driver = ac97_get_driver;
     42    return &ac97->obj;
     43}
     44
     45static void ac97_register_nodes(void)
     46{
     47    QOSGraphEdgeOptions opts = {
     48        .extra_device_opts = "addr=04.0",
     49    };
     50    add_qpci_address(&opts, &(QPCIAddress) { .devfn = QPCI_DEVFN(4, 0) });
     51
     52    qos_node_create_driver("AC97", ac97_create);
     53    qos_node_produces("AC97", "pci-device");
     54    qos_node_consumes("AC97", "pci-bus", &opts);
     55}
     56
     57libqos_init(ac97_register_nodes);