VirtualBox

source: vbox/trunk/src/VBox/VMM/VMMR0/IEMR0.cpp

Last change on this file was 106061, checked in by vboxsync, 3 months ago

Copyright year updates by scm.

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1/* $Id: IEMR0.cpp 106061 2024-09-16 14:03:52Z vboxsync $ */
2/** @file
3 * IEM - Interpreted Execution Manager - Ring-0.
4 */
5
6/*
7 * Copyright (C) 2011-2024 Oracle and/or its affiliates.
8 *
9 * This file is part of VirtualBox base platform packages, as
10 * available from https://www.virtualbox.org.
11 *
12 * This program is free software; you can redistribute it and/or
13 * modify it under the terms of the GNU General Public License
14 * as published by the Free Software Foundation, in version 3 of the
15 * License.
16 *
17 * This program is distributed in the hope that it will be useful, but
18 * WITHOUT ANY WARRANTY; without even the implied warranty of
19 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
20 * General Public License for more details.
21 *
22 * You should have received a copy of the GNU General Public License
23 * along with this program; if not, see <https://www.gnu.org/licenses>.
24 *
25 * SPDX-License-Identifier: GPL-3.0-only
26 */
27
28
29/*********************************************************************************************************************************
30* Header Files *
31*********************************************************************************************************************************/
32#define LOG_GROUP LOG_GROUP_IEM
33#define VMCPU_INCL_CPUM_GST_CTX
34#include <VBox/vmm/iem.h>
35#include <VBox/vmm/cpum.h>
36#include <VBox/vmm/pgm.h>
37#include "IEMInternal.h"
38#include <VBox/vmm/vmcc.h>
39#include <VBox/log.h>
40#include <iprt/errcore.h>
41
42
43
44VMMR0_INT_DECL(int) IEMR0InitVM(PGVM pGVM)
45{
46 AssertCompile(sizeof(pGVM->iem.s) <= sizeof(pGVM->iem.padding));
47 AssertCompile(sizeof(pGVM->aCpus[0].iem.s) <= sizeof(pGVM->aCpus[0].iem.padding));
48
49#ifdef VBOX_WITH_NESTED_HWVIRT_VMX
50 /*
51 * Register the per-VM VMX APIC-access page handler type.
52 */
53 if (pGVM->cpum.ro.GuestFeatures.fVmx)
54 {
55 int rc = PGMR0HandlerPhysicalTypeSetUpContext(pGVM, PGMPHYSHANDLERKIND_ALL, PGMPHYSHANDLER_F_NOT_IN_HM,
56 iemVmxApicAccessPageHandler, iemVmxApicAccessPagePfHandler,
57 "VMX APIC-access page", pGVM->iem.s.hVmxApicAccessPage);
58 AssertLogRelRCReturn(rc, rc);
59 }
60#endif
61 return VINF_SUCCESS;
62}
63
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