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|
/* $Id: HMVMXAll.cpp $ */
/** @file
* HM VMX (VT-x) - All contexts.
*/
/*
* Copyright (C) 2018-2020 Oracle Corporation
*
* This file is part of VirtualBox Open Source Edition (OSE), as
* available from http://www.virtualbox.org. This file is free software;
* you can redistribute it and/or modify it under the terms of the GNU
* General Public License (GPL) as published by the Free Software
* Foundation, in version 2 as it comes in the "COPYING" file of the
* VirtualBox OSE distribution. VirtualBox OSE is distributed in the
* hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
*/
/*********************************************************************************************************************************
* Header Files *
*********************************************************************************************************************************/
#define LOG_GROUP LOG_GROUP_HM
#define VMCPU_INCL_CPUM_GST_CTX
#include "HMInternal.h"
#include <VBox/vmm/hmvmxinline.h>
#include <VBox/vmm/vmcc.h>
#include <VBox/vmm/pdmapi.h>
#include <iprt/errcore.h>
/*********************************************************************************************************************************
* Global Variables *
*********************************************************************************************************************************/
#define VMXV_DIAG_DESC(a_Def, a_Desc) #a_Def " - " #a_Desc
/** VMX virtual-instructions and VM-exit diagnostics. */
static const char * const g_apszVmxVDiagDesc[] =
{
/* Internal processing errors. */
VMXV_DIAG_DESC(kVmxVDiag_None , "None" ),
VMXV_DIAG_DESC(kVmxVDiag_Ipe_1 , "Ipe_1" ),
VMXV_DIAG_DESC(kVmxVDiag_Ipe_2 , "Ipe_2" ),
VMXV_DIAG_DESC(kVmxVDiag_Ipe_3 , "Ipe_3" ),
VMXV_DIAG_DESC(kVmxVDiag_Ipe_4 , "Ipe_4" ),
VMXV_DIAG_DESC(kVmxVDiag_Ipe_5 , "Ipe_5" ),
VMXV_DIAG_DESC(kVmxVDiag_Ipe_6 , "Ipe_6" ),
VMXV_DIAG_DESC(kVmxVDiag_Ipe_7 , "Ipe_7" ),
VMXV_DIAG_DESC(kVmxVDiag_Ipe_8 , "Ipe_8" ),
VMXV_DIAG_DESC(kVmxVDiag_Ipe_9 , "Ipe_9" ),
VMXV_DIAG_DESC(kVmxVDiag_Ipe_10 , "Ipe_10" ),
VMXV_DIAG_DESC(kVmxVDiag_Ipe_11 , "Ipe_11" ),
VMXV_DIAG_DESC(kVmxVDiag_Ipe_12 , "Ipe_12" ),
VMXV_DIAG_DESC(kVmxVDiag_Ipe_13 , "Ipe_13" ),
VMXV_DIAG_DESC(kVmxVDiag_Ipe_14 , "Ipe_14" ),
VMXV_DIAG_DESC(kVmxVDiag_Ipe_15 , "Ipe_15" ),
VMXV_DIAG_DESC(kVmxVDiag_Ipe_16 , "Ipe_16" ),
/* VMXON. */
VMXV_DIAG_DESC(kVmxVDiag_Vmxon_A20M , "A20M" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmxon_Cpl , "Cpl" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmxon_Cr0Fixed0 , "Cr0Fixed0" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmxon_Cr0Fixed1 , "Cr0Fixed1" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmxon_Cr4Fixed0 , "Cr4Fixed0" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmxon_Cr4Fixed1 , "Cr4Fixed1" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmxon_Intercept , "Intercept" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmxon_LongModeCS , "LongModeCS" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmxon_MsrFeatCtl , "MsrFeatCtl" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmxon_PtrAbnormal , "PtrAbnormal" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmxon_PtrAlign , "PtrAlign" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmxon_PtrMap , "PtrMap" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmxon_PtrReadPhys , "PtrReadPhys" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmxon_PtrWidth , "PtrWidth" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmxon_RealOrV86Mode , "RealOrV86Mode" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmxon_ShadowVmcs , "ShadowVmcs" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmxon_VmxAlreadyRoot , "VmxAlreadyRoot" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmxon_Vmxe , "Vmxe" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmxon_VmcsRevId , "VmcsRevId" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmxon_VmxRootCpl , "VmxRootCpl" ),
/* VMXOFF. */
VMXV_DIAG_DESC(kVmxVDiag_Vmxoff_Cpl , "Cpl" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmxoff_Intercept , "Intercept" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmxoff_LongModeCS , "LongModeCS" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmxoff_RealOrV86Mode , "RealOrV86Mode" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmxoff_Vmxe , "Vmxe" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmxoff_VmxRoot , "VmxRoot" ),
/* VMPTRLD. */
VMXV_DIAG_DESC(kVmxVDiag_Vmptrld_Cpl , "Cpl" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmptrld_LongModeCS , "LongModeCS" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmptrld_PtrAbnormal , "PtrAbnormal" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmptrld_PtrAlign , "PtrAlign" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmptrld_PtrMap , "PtrMap" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmptrld_PtrReadPhys , "PtrReadPhys" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmptrld_PtrVmxon , "PtrVmxon" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmptrld_PtrWidth , "PtrWidth" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmptrld_RealOrV86Mode , "RealOrV86Mode" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmptrld_RevPtrReadPhys , "RevPtrReadPhys" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmptrld_ShadowVmcs , "ShadowVmcs" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmptrld_VmcsRevId , "VmcsRevId" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmptrld_VmxRoot , "VmxRoot" ),
/* VMPTRST. */
VMXV_DIAG_DESC(kVmxVDiag_Vmptrst_Cpl , "Cpl" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmptrst_LongModeCS , "LongModeCS" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmptrst_PtrMap , "PtrMap" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmptrst_RealOrV86Mode , "RealOrV86Mode" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmptrst_VmxRoot , "VmxRoot" ),
/* VMCLEAR. */
VMXV_DIAG_DESC(kVmxVDiag_Vmclear_Cpl , "Cpl" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmclear_LongModeCS , "LongModeCS" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmclear_PtrAbnormal , "PtrAbnormal" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmclear_PtrAlign , "PtrAlign" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmclear_PtrMap , "PtrMap" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmclear_PtrReadPhys , "PtrReadPhys" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmclear_PtrVmxon , "PtrVmxon" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmclear_PtrWidth , "PtrWidth" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmclear_RealOrV86Mode , "RealOrV86Mode" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmclear_VmxRoot , "VmxRoot" ),
/* VMWRITE. */
VMXV_DIAG_DESC(kVmxVDiag_Vmwrite_Cpl , "Cpl" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmwrite_FieldInvalid , "FieldInvalid" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmwrite_FieldRo , "FieldRo" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmwrite_LinkPtrInvalid , "LinkPtrInvalid" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmwrite_LongModeCS , "LongModeCS" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmwrite_PtrInvalid , "PtrInvalid" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmwrite_PtrMap , "PtrMap" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmwrite_RealOrV86Mode , "RealOrV86Mode" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmwrite_VmxRoot , "VmxRoot" ),
/* VMREAD. */
VMXV_DIAG_DESC(kVmxVDiag_Vmread_Cpl , "Cpl" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmread_FieldInvalid , "FieldInvalid" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmread_LinkPtrInvalid , "LinkPtrInvalid" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmread_LongModeCS , "LongModeCS" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmread_PtrInvalid , "PtrInvalid" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmread_PtrMap , "PtrMap" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmread_RealOrV86Mode , "RealOrV86Mode" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmread_VmxRoot , "VmxRoot" ),
/* INVVPID. */
VMXV_DIAG_DESC(kVmxVDiag_Invvpid_Cpl , "Cpl" ),
VMXV_DIAG_DESC(kVmxVDiag_Invvpid_DescRsvd , "DescRsvd" ),
VMXV_DIAG_DESC(kVmxVDiag_Invvpid_LongModeCS , "LongModeCS" ),
VMXV_DIAG_DESC(kVmxVDiag_Invvpid_RealOrV86Mode , "RealOrV86Mode" ),
VMXV_DIAG_DESC(kVmxVDiag_Invvpid_TypeInvalid , "TypeInvalid" ),
VMXV_DIAG_DESC(kVmxVDiag_Invvpid_Type0InvalidAddr , "Type0InvalidAddr" ),
VMXV_DIAG_DESC(kVmxVDiag_Invvpid_Type0InvalidVpid , "Type0InvalidVpid" ),
VMXV_DIAG_DESC(kVmxVDiag_Invvpid_Type1InvalidVpid , "Type1InvalidVpid" ),
VMXV_DIAG_DESC(kVmxVDiag_Invvpid_Type3InvalidVpid , "Type3InvalidVpid" ),
VMXV_DIAG_DESC(kVmxVDiag_Invvpid_VmxRoot , "VmxRoot" ),
/* VMLAUNCH/VMRESUME. */
VMXV_DIAG_DESC(kVmxVDiag_Vmentry_AddrApicAccess , "AddrApicAccess" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmentry_AddrApicAccessEqVirtApic , "AddrApicAccessEqVirtApic" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmentry_AddrApicAccessHandlerReg , "AddrApicAccessHandlerReg" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmentry_AddrEntryMsrLoad , "AddrEntryMsrLoad" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmentry_AddrExitMsrLoad , "AddrExitMsrLoad" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmentry_AddrExitMsrStore , "AddrExitMsrStore" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmentry_AddrIoBitmapA , "AddrIoBitmapA" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmentry_AddrIoBitmapB , "AddrIoBitmapB" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmentry_AddrMsrBitmap , "AddrMsrBitmap" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmentry_AddrVirtApicPage , "AddrVirtApicPage" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmentry_AddrVmcsLinkPtr , "AddrVmcsLinkPtr" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmentry_AddrVmreadBitmap , "AddrVmreadBitmap" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmentry_AddrVmwriteBitmap , "AddrVmwriteBitmap" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmentry_ApicRegVirt , "ApicRegVirt" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmentry_BlocKMovSS , "BlockMovSS" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmentry_Cpl , "Cpl" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmentry_Cr3TargetCount , "Cr3TargetCount" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmentry_EntryCtlsAllowed1 , "EntryCtlsAllowed1" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmentry_EntryCtlsDisallowed0 , "EntryCtlsDisallowed0" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmentry_EntryInstrLen , "EntryInstrLen" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmentry_EntryInstrLenZero , "EntryInstrLenZero" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmentry_EntryIntInfoErrCodePe , "EntryIntInfoErrCodePe" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmentry_EntryIntInfoErrCodeVec , "EntryIntInfoErrCodeVec" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmentry_EntryIntInfoTypeVecRsvd , "EntryIntInfoTypeVecRsvd" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmentry_EntryXcptErrCodeRsvd , "EntryXcptErrCodeRsvd" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmentry_ExitCtlsAllowed1 , "ExitCtlsAllowed1" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmentry_ExitCtlsDisallowed0 , "ExitCtlsDisallowed0" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestActStateHlt , "GuestActStateHlt" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestActStateRsvd , "GuestActStateRsvd" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestActStateShutdown , "GuestActStateShutdown" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestActStateSsDpl , "GuestActStateSsDpl" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestActStateStiMovSs , "GuestActStateStiMovSs" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestCr0Fixed0 , "GuestCr0Fixed0" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestCr0Fixed1 , "GuestCr0Fixed1" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestCr0PgPe , "GuestCr0PgPe" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestCr3 , "GuestCr3" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestCr4Fixed0 , "GuestCr4Fixed0" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestCr4Fixed1 , "GuestCr4Fixed1" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestDebugCtl , "GuestDebugCtl" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestDr7 , "GuestDr7" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestEferMsr , "GuestEferMsr" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestEferMsrRsvd , "GuestEferMsrRsvd" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestGdtrBase , "GuestGdtrBase" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestGdtrLimit , "GuestGdtrLimit" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestIdtrBase , "GuestIdtrBase" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestIdtrLimit , "GuestIdtrLimit" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestIntStateEnclave , "GuestIntStateEnclave" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestIntStateExtInt , "GuestIntStateExtInt" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestIntStateNmi , "GuestIntStateNmi" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestIntStateRFlagsSti , "GuestIntStateRFlagsSti" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestIntStateRsvd , "GuestIntStateRsvd" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestIntStateSmi , "GuestIntStateSmi" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestIntStateStiMovSs , "GuestIntStateStiMovSs" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestIntStateVirtNmi , "GuestIntStateVirtNmi" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestPae , "GuestPae" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestPatMsr , "GuestPatMsr" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestPcide , "GuestPcide" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestPdpteCr3ReadPhys , "GuestPdpteCr3ReadPhys" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestPdpte0Rsvd , "GuestPdpte0Rsvd" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestPdpte1Rsvd , "GuestPdpte1Rsvd" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestPdpte2Rsvd , "GuestPdpte2Rsvd" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestPdpte3Rsvd , "GuestPdpte3Rsvd" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestPndDbgXcptBsNoTf , "GuestPndDbgXcptBsNoTf" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestPndDbgXcptBsTf , "GuestPndDbgXcptBsTf" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestPndDbgXcptRsvd , "GuestPndDbgXcptRsvd" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestPndDbgXcptRtm , "GuestPndDbgXcptRtm" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestRip , "GuestRip" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestRipRsvd , "GuestRipRsvd" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestRFlagsIf , "GuestRFlagsIf" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestRFlagsRsvd , "GuestRFlagsRsvd" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestRFlagsVm , "GuestRFlagsVm" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestSegAttrCsDefBig , "GuestSegAttrCsDefBig" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestSegAttrCsDplEqSs , "GuestSegAttrCsDplEqSs" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestSegAttrCsDplLtSs , "GuestSegAttrCsDplLtSs" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestSegAttrCsDplZero , "GuestSegAttrCsDplZero" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestSegAttrCsType , "GuestSegAttrCsType" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestSegAttrCsTypeRead , "GuestSegAttrCsTypeRead" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestSegAttrDescTypeCs , "GuestSegAttrDescTypeCs" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestSegAttrDescTypeDs , "GuestSegAttrDescTypeDs" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestSegAttrDescTypeEs , "GuestSegAttrDescTypeEs" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestSegAttrDescTypeFs , "GuestSegAttrDescTypeFs" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestSegAttrDescTypeGs , "GuestSegAttrDescTypeGs" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestSegAttrDescTypeSs , "GuestSegAttrDescTypeSs" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestSegAttrDplRplCs , "GuestSegAttrDplRplCs" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestSegAttrDplRplDs , "GuestSegAttrDplRplDs" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestSegAttrDplRplEs , "GuestSegAttrDplRplEs" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestSegAttrDplRplFs , "GuestSegAttrDplRplFs" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestSegAttrDplRplGs , "GuestSegAttrDplRplGs" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestSegAttrDplRplSs , "GuestSegAttrDplRplSs" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestSegAttrGranCs , "GuestSegAttrGranCs" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestSegAttrGranDs , "GuestSegAttrGranDs" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestSegAttrGranEs , "GuestSegAttrGranEs" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestSegAttrGranFs , "GuestSegAttrGranFs" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestSegAttrGranGs , "GuestSegAttrGranGs" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestSegAttrGranSs , "GuestSegAttrGranSs" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestSegAttrLdtrDescType , "GuestSegAttrLdtrDescType" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestSegAttrLdtrGran , "GuestSegAttrLdtrGran" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestSegAttrLdtrPresent , "GuestSegAttrLdtrPresent" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestSegAttrLdtrRsvd , "GuestSegAttrLdtrRsvd" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestSegAttrLdtrType , "GuestSegAttrLdtrType" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestSegAttrPresentCs , "GuestSegAttrPresentCs" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestSegAttrPresentDs , "GuestSegAttrPresentDs" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestSegAttrPresentEs , "GuestSegAttrPresentEs" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestSegAttrPresentFs , "GuestSegAttrPresentFs" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestSegAttrPresentGs , "GuestSegAttrPresentGs" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestSegAttrPresentSs , "GuestSegAttrPresentSs" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestSegAttrRsvdCs , "GuestSegAttrRsvdCs" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestSegAttrRsvdDs , "GuestSegAttrRsvdDs" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestSegAttrRsvdEs , "GuestSegAttrRsvdEs" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestSegAttrRsvdFs , "GuestSegAttrRsvdFs" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestSegAttrRsvdGs , "GuestSegAttrRsvdGs" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestSegAttrRsvdSs , "GuestSegAttrRsvdSs" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestSegAttrSsDplEqRpl , "GuestSegAttrSsDplEqRpl" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestSegAttrSsDplZero , "GuestSegAttrSsDplZero " ),
VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestSegAttrSsType , "GuestSegAttrSsType" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestSegAttrTrDescType , "GuestSegAttrTrDescType" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestSegAttrTrGran , "GuestSegAttrTrGran" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestSegAttrTrPresent , "GuestSegAttrTrPresent" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestSegAttrTrRsvd , "GuestSegAttrTrRsvd" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestSegAttrTrType , "GuestSegAttrTrType" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestSegAttrTrUnusable , "GuestSegAttrTrUnusable" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestSegAttrTypeAccCs , "GuestSegAttrTypeAccCs" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestSegAttrTypeAccDs , "GuestSegAttrTypeAccDs" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestSegAttrTypeAccEs , "GuestSegAttrTypeAccEs" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestSegAttrTypeAccFs , "GuestSegAttrTypeAccFs" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestSegAttrTypeAccGs , "GuestSegAttrTypeAccGs" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestSegAttrTypeAccSs , "GuestSegAttrTypeAccSs" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestSegAttrV86Cs , "GuestSegAttrV86Cs" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestSegAttrV86Ds , "GuestSegAttrV86Ds" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestSegAttrV86Es , "GuestSegAttrV86Es" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestSegAttrV86Fs , "GuestSegAttrV86Fs" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestSegAttrV86Gs , "GuestSegAttrV86Gs" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestSegAttrV86Ss , "GuestSegAttrV86Ss" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestSegBaseCs , "GuestSegBaseCs" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestSegBaseDs , "GuestSegBaseDs" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestSegBaseEs , "GuestSegBaseEs" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestSegBaseFs , "GuestSegBaseFs" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestSegBaseGs , "GuestSegBaseGs" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestSegBaseLdtr , "GuestSegBaseLdtr" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestSegBaseSs , "GuestSegBaseSs" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestSegBaseTr , "GuestSegBaseTr" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestSegBaseV86Cs , "GuestSegBaseV86Cs" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestSegBaseV86Ds , "GuestSegBaseV86Ds" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestSegBaseV86Es , "GuestSegBaseV86Es" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestSegBaseV86Fs , "GuestSegBaseV86Fs" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestSegBaseV86Gs , "GuestSegBaseV86Gs" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestSegBaseV86Ss , "GuestSegBaseV86Ss" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestSegLimitV86Cs , "GuestSegLimitV86Cs" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestSegLimitV86Ds , "GuestSegLimitV86Ds" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestSegLimitV86Es , "GuestSegLimitV86Es" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestSegLimitV86Fs , "GuestSegLimitV86Fs" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestSegLimitV86Gs , "GuestSegLimitV86Gs" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestSegLimitV86Ss , "GuestSegLimitV86Ss" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestSegSelCsSsRpl , "GuestSegSelCsSsRpl" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestSegSelLdtr , "GuestSegSelLdtr" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestSegSelTr , "GuestSegSelTr" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmentry_GuestSysenterEspEip , "GuestSysenterEspEip" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmentry_VmcsLinkPtrCurVmcs , "VmcsLinkPtrCurVmcs" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmentry_VmcsLinkPtrReadPhys , "VmcsLinkPtrReadPhys" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmentry_VmcsLinkPtrRevId , "VmcsLinkPtrRevId" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmentry_VmcsLinkPtrShadow , "VmcsLinkPtrShadow" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmentry_HostCr0Fixed0 , "HostCr0Fixed0" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmentry_HostCr0Fixed1 , "HostCr0Fixed1" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmentry_HostCr3 , "HostCr3" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmentry_HostCr4Fixed0 , "HostCr4Fixed0" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmentry_HostCr4Fixed1 , "HostCr4Fixed1" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmentry_HostCr4Pae , "HostCr4Pae" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmentry_HostCr4Pcide , "HostCr4Pcide" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmentry_HostCsTr , "HostCsTr" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmentry_HostEferMsr , "HostEferMsr" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmentry_HostEferMsrRsvd , "HostEferMsrRsvd" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmentry_HostGuestLongMode , "HostGuestLongMode" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmentry_HostGuestLongModeNoCpu , "HostGuestLongModeNoCpu" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmentry_HostLongMode , "HostLongMode" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmentry_HostPatMsr , "HostPatMsr" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmentry_HostRip , "HostRip" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmentry_HostRipRsvd , "HostRipRsvd" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmentry_HostSel , "HostSel" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmentry_HostSegBase , "HostSegBase" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmentry_HostSs , "HostSs" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmentry_HostSysenterEspEip , "HostSysenterEspEip" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmentry_IoBitmapAPtrReadPhys , "IoBitmapAPtrReadPhys" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmentry_IoBitmapBPtrReadPhys , "IoBitmapBPtrReadPhys" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmentry_LongModeCS , "LongModeCS" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmentry_MsrBitmapPtrReadPhys , "MsrBitmapPtrReadPhys" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmentry_MsrLoad , "MsrLoad" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmentry_MsrLoadCount , "MsrLoadCount" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmentry_MsrLoadPtrReadPhys , "MsrLoadPtrReadPhys" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmentry_MsrLoadRing3 , "MsrLoadRing3" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmentry_MsrLoadRsvd , "MsrLoadRsvd" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmentry_NmiWindowExit , "NmiWindowExit" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmentry_PinCtlsAllowed1 , "PinCtlsAllowed1" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmentry_PinCtlsDisallowed0 , "PinCtlsDisallowed0" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmentry_ProcCtlsAllowed1 , "ProcCtlsAllowed1" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmentry_ProcCtlsDisallowed0 , "ProcCtlsDisallowed0" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmentry_ProcCtls2Allowed1 , "ProcCtls2Allowed1" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmentry_ProcCtls2Disallowed0 , "ProcCtls2Disallowed0" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmentry_PtrInvalid , "PtrInvalid" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmentry_PtrShadowVmcs , "PtrShadowVmcs" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmentry_RealOrV86Mode , "RealOrV86Mode" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmentry_SavePreemptTimer , "SavePreemptTimer" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmentry_TprThresholdRsvd , "TprThresholdRsvd" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmentry_TprThresholdVTpr , "TprThresholdVTpr" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmentry_VirtApicPagePtrReadPhys , "VirtApicPageReadPhys" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmentry_VirtIntDelivery , "VirtIntDelivery" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmentry_VirtNmi , "VirtNmi" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmentry_VirtX2ApicTprShadow , "VirtX2ApicTprShadow" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmentry_VirtX2ApicVirtApic , "VirtX2ApicVirtApic" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmentry_VmcsClear , "VmcsClear" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmentry_VmcsLaunch , "VmcsLaunch" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmentry_VmreadBitmapPtrReadPhys , "VmreadBitmapPtrReadPhys" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmentry_VmwriteBitmapPtrReadPhys , "VmwriteBitmapPtrReadPhys" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmentry_VmxRoot , "VmxRoot" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmentry_Vpid , "Vpid" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmexit_HostPdpteCr3ReadPhys , "HostPdpteCr3ReadPhys" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmexit_HostPdpte0Rsvd , "HostPdpte0Rsvd" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmexit_HostPdpte1Rsvd , "HostPdpte1Rsvd" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmexit_HostPdpte2Rsvd , "HostPdpte2Rsvd" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmexit_HostPdpte3Rsvd , "HostPdpte3Rsvd" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmexit_MsrLoad , "MsrLoad" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmexit_MsrLoadCount , "MsrLoadCount" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmexit_MsrLoadPtrReadPhys , "MsrLoadPtrReadPhys" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmexit_MsrLoadRing3 , "MsrLoadRing3" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmexit_MsrLoadRsvd , "MsrLoadRsvd" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmexit_MsrStore , "MsrStore" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmexit_MsrStoreCount , "MsrStoreCount" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmexit_MsrStorePtrReadPhys , "MsrStorePtrReadPhys" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmexit_MsrStorePtrWritePhys , "MsrStorePtrWritePhys" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmexit_MsrStoreRing3 , "MsrStoreRing3" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmexit_MsrStoreRsvd , "MsrStoreRsvd" ),
VMXV_DIAG_DESC(kVmxVDiag_Vmexit_VirtApicPagePtrWritePhys , "VirtApicPagePtrWritePhys" )
/* kVmxVDiag_End */
};
AssertCompile(RT_ELEMENTS(g_apszVmxVDiagDesc) == kVmxVDiag_End);
#undef VMXV_DIAG_DESC
/**
* Gets the descriptive name of a VMX instruction/VM-exit diagnostic code.
*
* @returns The descriptive string.
* @param enmDiag The VMX diagnostic.
*/
VMM_INT_DECL(const char *) HMGetVmxDiagDesc(VMXVDIAG enmDiag)
{
if (RT_LIKELY((unsigned)enmDiag < RT_ELEMENTS(g_apszVmxVDiagDesc)))
return g_apszVmxVDiagDesc[enmDiag];
return "Unknown/invalid";
}
/**
* Checks if a code selector (CS) is suitable for execution using hardware-assisted
* VMX when unrestricted execution isn't available.
*
* @returns true if selector is suitable for VMX, otherwise
* false.
* @param pSel Pointer to the selector to check (CS).
* @param uStackDpl The CPL, aka the DPL of the stack segment.
*/
static bool hmVmxIsCodeSelectorOk(PCCPUMSELREG pSel, unsigned uStackDpl)
{
/*
* Segment must be an accessed code segment, it must be present and it must
* be usable.
* Note! These are all standard requirements and if CS holds anything else
* we've got buggy code somewhere!
*/
AssertCompile(X86DESCATTR_TYPE == 0xf);
AssertMsgReturn( (pSel->Attr.u & (X86_SEL_TYPE_ACCESSED | X86_SEL_TYPE_CODE | X86DESCATTR_DT | X86DESCATTR_P | X86DESCATTR_UNUSABLE))
== (X86_SEL_TYPE_ACCESSED | X86_SEL_TYPE_CODE | X86DESCATTR_DT | X86DESCATTR_P),
("%#x\n", pSel->Attr.u),
false);
/*
* For conforming segments, CS.DPL must be <= SS.DPL, while CS.DPL must equal
* SS.DPL for non-confroming segments.
* Note! This is also a hard requirement like above.
*/
AssertMsgReturn( pSel->Attr.n.u4Type & X86_SEL_TYPE_CONF
? pSel->Attr.n.u2Dpl <= uStackDpl
: pSel->Attr.n.u2Dpl == uStackDpl,
("u4Type=%#x u2Dpl=%u uStackDpl=%u\n", pSel->Attr.n.u4Type, pSel->Attr.n.u2Dpl, uStackDpl),
false);
/*
* The following two requirements are VT-x specific:
* - G bit must be set if any high limit bits are set.
* - G bit must be clear if any low limit bits are clear.
*/
if ( ((pSel->u32Limit & 0xfff00000) == 0x00000000 || pSel->Attr.n.u1Granularity)
&& ((pSel->u32Limit & 0x00000fff) == 0x00000fff || !pSel->Attr.n.u1Granularity))
return true;
return false;
}
/**
* Checks if a data selector (DS/ES/FS/GS) is suitable for execution using
* hardware-assisted VMX when unrestricted execution isn't available.
*
* @returns true if selector is suitable for VMX, otherwise
* false.
* @param pSel Pointer to the selector to check
* (DS/ES/FS/GS).
*/
static bool hmVmxIsDataSelectorOk(PCCPUMSELREG pSel)
{
/*
* Unusable segments are OK. These days they should be marked as such, as
* but as an alternative we for old saved states and AMD<->VT-x migration
* we also treat segments with all the attributes cleared as unusable.
*/
if (pSel->Attr.n.u1Unusable || !pSel->Attr.u)
return true;
/** @todo tighten these checks. Will require CPUM load adjusting. */
/* Segment must be accessed. */
if (pSel->Attr.u & X86_SEL_TYPE_ACCESSED)
{
/* Code segments must also be readable. */
if ( !(pSel->Attr.u & X86_SEL_TYPE_CODE)
|| (pSel->Attr.u & X86_SEL_TYPE_READ))
{
/* The S bit must be set. */
if (pSel->Attr.n.u1DescType)
{
/* Except for conforming segments, DPL >= RPL. */
if ( pSel->Attr.n.u2Dpl >= (pSel->Sel & X86_SEL_RPL)
|| pSel->Attr.n.u4Type >= X86_SEL_TYPE_ER_ACC)
{
/* Segment must be present. */
if (pSel->Attr.n.u1Present)
{
/*
* The following two requirements are VT-x specific:
* - G bit must be set if any high limit bits are set.
* - G bit must be clear if any low limit bits are clear.
*/
if ( ((pSel->u32Limit & 0xfff00000) == 0x00000000 || pSel->Attr.n.u1Granularity)
&& ((pSel->u32Limit & 0x00000fff) == 0x00000fff || !pSel->Attr.n.u1Granularity))
return true;
}
}
}
}
}
return false;
}
/**
* Checks if the stack selector (SS) is suitable for execution using
* hardware-assisted VMX when unrestricted execution isn't available.
*
* @returns true if selector is suitable for VMX, otherwise
* false.
* @param pSel Pointer to the selector to check (SS).
*/
static bool hmVmxIsStackSelectorOk(PCCPUMSELREG pSel)
{
/*
* Unusable segments are OK. These days they should be marked as such, as
* but as an alternative we for old saved states and AMD<->VT-x migration
* we also treat segments with all the attributes cleared as unusable.
*/
/** @todo r=bird: actually all zeroes isn't gonna cut it... SS.DPL == CPL. */
if (pSel->Attr.n.u1Unusable || !pSel->Attr.u)
return true;
/*
* Segment must be an accessed writable segment, it must be present.
* Note! These are all standard requirements and if SS holds anything else
* we've got buggy code somewhere!
*/
AssertCompile(X86DESCATTR_TYPE == 0xf);
AssertMsgReturn( (pSel->Attr.u & (X86_SEL_TYPE_ACCESSED | X86_SEL_TYPE_WRITE | X86DESCATTR_DT | X86DESCATTR_P | X86_SEL_TYPE_CODE))
== (X86_SEL_TYPE_ACCESSED | X86_SEL_TYPE_WRITE | X86DESCATTR_DT | X86DESCATTR_P),
("%#x\n", pSel->Attr.u), false);
/*
* DPL must equal RPL. But in real mode or soon after enabling protected
* mode, it might not be.
*/
if (pSel->Attr.n.u2Dpl == (pSel->Sel & X86_SEL_RPL))
{
/*
* The following two requirements are VT-x specific:
* - G bit must be set if any high limit bits are set.
* - G bit must be clear if any low limit bits are clear.
*/
if ( ((pSel->u32Limit & 0xfff00000) == 0x00000000 || pSel->Attr.n.u1Granularity)
&& ((pSel->u32Limit & 0x00000fff) == 0x00000fff || !pSel->Attr.n.u1Granularity))
return true;
}
return false;
}
/**
* Checks if the CPU is subject to the "VMX-Preemption Timer Does Not Count Down at
* the Rate Specified" erratum.
*
* Errata names and related steppings:
* - BA86 - D0.
* - AAX65 - C2.
* - AAU65 - C2, K0.
* - AAO95 - B1.
* - AAT59 - C2.
* - AAK139 - D0.
* - AAM126 - C0, C1, D0.
* - AAN92 - B1.
* - AAJ124 - C0, D0.
* - AAP86 - B1.
*
* Steppings: B1, C0, C1, C2, D0, K0.
*
* @returns @c true if subject to it, @c false if not.
*/
VMM_INT_DECL(bool) HMIsSubjectToVmxPreemptTimerErratum(void)
{
uint32_t u = ASMCpuId_EAX(1);
u &= ~(RT_BIT_32(14) | RT_BIT_32(15) | RT_BIT_32(28) | RT_BIT_32(29) | RT_BIT_32(30) | RT_BIT_32(31));
if ( u == 0x000206E6 /* 323344.pdf - BA86 - D0 - Xeon Processor 7500 Series */
|| u == 0x00020652 /* 323056.pdf - AAX65 - C2 - Xeon Processor L3406 */
/* 322814.pdf - AAT59 - C2 - CoreTM i7-600, i5-500, i5-400 and i3-300 Mobile Processor Series */
/* 322911.pdf - AAU65 - C2 - CoreTM i5-600, i3-500 Desktop Processor Series and Intel Pentium Processor G6950 */
|| u == 0x00020655 /* 322911.pdf - AAU65 - K0 - CoreTM i5-600, i3-500 Desktop Processor Series and Intel Pentium Processor G6950 */
|| u == 0x000106E5 /* 322373.pdf - AAO95 - B1 - Xeon Processor 3400 Series */
/* 322166.pdf - AAN92 - B1 - CoreTM i7-800 and i5-700 Desktop Processor Series */
/* 320767.pdf - AAP86 - B1 - Core i7-900 Mobile Processor Extreme Edition Series, Intel Core i7-800 and i7-700 Mobile Processor Series */
|| u == 0x000106A0 /* 321333.pdf - AAM126 - C0 - Xeon Processor 3500 Series Specification */
|| u == 0x000106A1 /* 321333.pdf - AAM126 - C1 - Xeon Processor 3500 Series Specification */
|| u == 0x000106A4 /* 320836.pdf - AAJ124 - C0 - Core i7-900 Desktop Processor Extreme Edition Series and Intel Core i7-900 Desktop Processor Series */
|| u == 0x000106A5 /* 321333.pdf - AAM126 - D0 - Xeon Processor 3500 Series Specification */
/* 321324.pdf - AAK139 - D0 - Xeon Processor 5500 Series Specification */
/* 320836.pdf - AAJ124 - D0 - Core i7-900 Desktop Processor Extreme Edition Series and Intel Core i7-900 Desktop Processor Series */
)
return true;
return false;
}
/**
* Checks if the guest is in a suitable state for hardware-assisted VMX execution.
*
* @returns @c true if it is suitable, @c false otherwise.
* @param pVM The cross context VM structure.
* @param pVCpu The cross context virtual CPU structure.
* @param pCtx Pointer to the guest CPU context.
*
* @remarks @a pCtx can be a partial context and thus may not be necessarily the
* same as pVCpu->cpum.GstCtx! Thus don't eliminate the @a pCtx parameter.
* Secondly, if additional checks are added that require more of the CPU
* state, make sure REM (which supplies a partial state) is updated.
*/
VMM_INT_DECL(bool) HMCanExecuteVmxGuest(PVMCC pVM, PVMCPUCC pVCpu, PCCPUMCTX pCtx)
{
Assert(HMIsEnabled(pVM));
Assert( ( pVM->hm.s.vmx.fUnrestrictedGuest && !pVM->hm.s.vmx.pRealModeTSS)
|| (!pVM->hm.s.vmx.fUnrestrictedGuest && pVM->hm.s.vmx.pRealModeTSS));
pVCpu->hm.s.fActive = false;
bool const fSupportsRealMode = pVM->hm.s.vmx.fUnrestrictedGuest || PDMVmmDevHeapIsEnabled(pVM);
if (!pVM->hm.s.vmx.fUnrestrictedGuest)
{
/*
* The VMM device heap is a requirement for emulating real mode or protected mode without paging with the unrestricted
* guest execution feature is missing (VT-x only).
*/
if (fSupportsRealMode)
{
if (CPUMIsGuestInRealModeEx(pCtx))
{
/*
* In V86 mode (VT-x or not), the CPU enforces real-mode compatible selector
* bases, limits, and attributes, i.e. limit must be 64K, base must be selector * 16,
* and attributes must be 0x9b for code and 0x93 for code segments.
* If this is not true, we cannot execute real mode as V86 and have to fall
* back to emulation.
*/
if ( pCtx->cs.Sel != (pCtx->cs.u64Base >> 4)
|| pCtx->ds.Sel != (pCtx->ds.u64Base >> 4)
|| pCtx->es.Sel != (pCtx->es.u64Base >> 4)
|| pCtx->ss.Sel != (pCtx->ss.u64Base >> 4)
|| pCtx->fs.Sel != (pCtx->fs.u64Base >> 4)
|| pCtx->gs.Sel != (pCtx->gs.u64Base >> 4))
{
STAM_COUNTER_INC(&pVCpu->hm.s.StatVmxCheckBadRmSelBase);
return false;
}
if ( (pCtx->cs.u32Limit != 0xffff)
|| (pCtx->ds.u32Limit != 0xffff)
|| (pCtx->es.u32Limit != 0xffff)
|| (pCtx->ss.u32Limit != 0xffff)
|| (pCtx->fs.u32Limit != 0xffff)
|| (pCtx->gs.u32Limit != 0xffff))
{
STAM_COUNTER_INC(&pVCpu->hm.s.StatVmxCheckBadRmSelLimit);
return false;
}
if ( (pCtx->cs.Attr.u != 0x9b)
|| (pCtx->ds.Attr.u != 0x93)
|| (pCtx->es.Attr.u != 0x93)
|| (pCtx->ss.Attr.u != 0x93)
|| (pCtx->fs.Attr.u != 0x93)
|| (pCtx->gs.Attr.u != 0x93))
{
STAM_COUNTER_INC(&pVCpu->hm.s.StatVmxCheckBadRmSelAttr);
return false;
}
STAM_COUNTER_INC(&pVCpu->hm.s.StatVmxCheckRmOk);
}
else
{
/*
* Verify the requirements for executing code in protected mode. VT-x can't
* handle the CPU state right after a switch from real to protected mode
* (all sorts of RPL & DPL assumptions).
*/
PCVMXVMCSINFO pVmcsInfo = hmGetVmxActiveVmcsInfo(pVCpu);
if (pVmcsInfo->fWasInRealMode)
{
if (!CPUMIsGuestInV86ModeEx(pCtx))
{
/* The guest switched to protected mode, check if the state is suitable for VT-x. */
if ((pCtx->cs.Sel & X86_SEL_RPL) != (pCtx->ss.Sel & X86_SEL_RPL))
{
STAM_COUNTER_INC(&pVCpu->hm.s.StatVmxCheckBadRpl);
return false;
}
if ( !hmVmxIsCodeSelectorOk(&pCtx->cs, pCtx->ss.Attr.n.u2Dpl)
|| !hmVmxIsDataSelectorOk(&pCtx->ds)
|| !hmVmxIsDataSelectorOk(&pCtx->es)
|| !hmVmxIsDataSelectorOk(&pCtx->fs)
|| !hmVmxIsDataSelectorOk(&pCtx->gs)
|| !hmVmxIsStackSelectorOk(&pCtx->ss))
{
STAM_COUNTER_INC(&pVCpu->hm.s.StatVmxCheckBadSel);
return false;
}
}
else
{
/* The guest switched to V86 mode, check if the state is suitable for VT-x. */
if ( pCtx->cs.Sel != (pCtx->cs.u64Base >> 4)
|| pCtx->ds.Sel != (pCtx->ds.u64Base >> 4)
|| pCtx->es.Sel != (pCtx->es.u64Base >> 4)
|| pCtx->ss.Sel != (pCtx->ss.u64Base >> 4)
|| pCtx->fs.Sel != (pCtx->fs.u64Base >> 4)
|| pCtx->gs.Sel != (pCtx->gs.u64Base >> 4))
{
STAM_COUNTER_INC(&pVCpu->hm.s.StatVmxCheckBadV86SelBase);
return false;
}
if ( pCtx->cs.u32Limit != 0xffff
|| pCtx->ds.u32Limit != 0xffff
|| pCtx->es.u32Limit != 0xffff
|| pCtx->ss.u32Limit != 0xffff
|| pCtx->fs.u32Limit != 0xffff
|| pCtx->gs.u32Limit != 0xffff)
{
STAM_COUNTER_INC(&pVCpu->hm.s.StatVmxCheckBadV86SelLimit);
return false;
}
if ( pCtx->cs.Attr.u != 0xf3
|| pCtx->ds.Attr.u != 0xf3
|| pCtx->es.Attr.u != 0xf3
|| pCtx->ss.Attr.u != 0xf3
|| pCtx->fs.Attr.u != 0xf3
|| pCtx->gs.Attr.u != 0xf3)
{
STAM_COUNTER_INC(&pVCpu->hm.s.StatVmxCheckBadV86SelAttr);
return false;
}
}
}
}
}
else
{
if (!CPUMIsGuestInLongModeEx(pCtx))
{
if ( !pVM->hm.s.fNestedPaging /* Requires a fake PD for real *and* protected mode without paging - stored in the VMM device heap */
|| CPUMIsGuestInRealModeEx(pCtx)) /* Requires a fake TSS for real mode - stored in the VMM device heap */
return false;
/* Too early for VT-x; Solaris guests will fail with a guru meditation otherwise; same for XP. */
if (pCtx->idtr.pIdt == 0 || pCtx->idtr.cbIdt == 0 || pCtx->tr.Sel == 0)
return false;
/*
* The guest is about to complete the switch to protected mode. Wait a bit longer.
* Windows XP; switch to protected mode; all selectors are marked not present
* in the hidden registers (possible recompiler bug; see load_seg_vm).
*/
/** @todo Is this supposed recompiler bug still relevant with IEM? */
if (pCtx->cs.Attr.n.u1Present == 0)
return false;
if (pCtx->ss.Attr.n.u1Present == 0)
return false;
/*
* Windows XP: possible same as above, but new recompiler requires new
* heuristics? VT-x doesn't seem to like something about the guest state and
* this stuff avoids it.
*/
/** @todo This check is actually wrong, it doesn't take the direction of the
* stack segment into account. But, it does the job for now. */
if (pCtx->rsp >= pCtx->ss.u32Limit)
return false;
}
}
}
if (pVM->hm.s.vmx.fEnabled)
{
uint32_t uCr0Mask;
/* If bit N is set in cr0_fixed0, then it must be set in the guest's cr0. */
uCr0Mask = (uint32_t)pVM->hm.s.vmx.Msrs.u64Cr0Fixed0;
/* We ignore the NE bit here on purpose; see HMR0.cpp for details. */
uCr0Mask &= ~X86_CR0_NE;
if (fSupportsRealMode)
{
/* We ignore the PE & PG bits here on purpose; we emulate real and protected mode without paging. */
uCr0Mask &= ~(X86_CR0_PG | X86_CR0_PE);
}
else
{
/* We support protected mode without paging using identity mapping. */
uCr0Mask &= ~X86_CR0_PG;
}
if ((pCtx->cr0 & uCr0Mask) != uCr0Mask)
return false;
/* If bit N is cleared in cr0_fixed1, then it must be zero in the guest's cr0. */
uCr0Mask = (uint32_t)~pVM->hm.s.vmx.Msrs.u64Cr0Fixed1;
if ((pCtx->cr0 & uCr0Mask) != 0)
return false;
/* If bit N is set in cr4_fixed0, then it must be set in the guest's cr4. */
uCr0Mask = (uint32_t)pVM->hm.s.vmx.Msrs.u64Cr4Fixed0;
uCr0Mask &= ~X86_CR4_VMXE;
if ((pCtx->cr4 & uCr0Mask) != uCr0Mask)
return false;
/* If bit N is cleared in cr4_fixed1, then it must be zero in the guest's cr4. */
uCr0Mask = (uint32_t)~pVM->hm.s.vmx.Msrs.u64Cr4Fixed1;
if ((pCtx->cr4 & uCr0Mask) != 0)
return false;
pVCpu->hm.s.fActive = true;
return true;
}
return false;
}
/**
* Dumps the virtual VMCS state to the release log.
*
* @param pVCpu The cross context virtual CPU structure.
*/
VMM_INT_DECL(void) HMDumpHwvirtVmxState(PVMCPU pVCpu)
{
/* The string width of -4 used in the macros below to cover 'LDTR', 'GDTR', 'IDTR. */
#define HMVMX_DUMP_HOST_XDTR(a_pVmcs, a_Seg, a_SegName, a_pszPrefix) \
do { \
LogRel((" %s%-4s = {base=%016RX64}\n", \
(a_pszPrefix), (a_SegName), (a_pVmcs)->u64Host##a_Seg##Base.u)); \
} while (0)
#define HMVMX_DUMP_HOST_FS_GS_TR(a_pVmcs, a_Seg, a_SegName, a_pszPrefix) \
do { \
LogRel((" %s%-4s = {%04x base=%016RX64}\n", \
(a_pszPrefix), (a_SegName), (a_pVmcs)->Host##a_Seg, (a_pVmcs)->u64Host##a_Seg##Base.u)); \
} while (0)
#define HMVMX_DUMP_GUEST_SEGREG(a_pVmcs, a_Seg, a_SegName, a_pszPrefix) \
do { \
LogRel((" %s%-4s = {%04x base=%016RX64 limit=%08x flags=%04x}\n", \
(a_pszPrefix), (a_SegName), (a_pVmcs)->Guest##a_Seg, (a_pVmcs)->u64Guest##a_Seg##Base.u, \
(a_pVmcs)->u32Guest##a_Seg##Limit, (a_pVmcs)->u32Guest##a_Seg##Attr)); \
} while (0)
#define HMVMX_DUMP_GUEST_XDTR(a_pVmcs, a_Seg, a_SegName, a_pszPrefix) \
do { \
LogRel((" %s%-4s = {base=%016RX64 limit=%08x}\n", \
(a_pszPrefix), (a_SegName), (a_pVmcs)->u64Guest##a_Seg##Base.u, (a_pVmcs)->u32Guest##a_Seg##Limit)); \
} while (0)
PCCPUMCTX pCtx = &pVCpu->cpum.GstCtx;
PCVMXVVMCS pVmcs = pVCpu->cpum.GstCtx.hwvirt.vmx.CTX_SUFF(pVmcs);
if (!pVmcs)
{
LogRel(("Virtual VMCS not allocated\n"));
return;
}
LogRel(("GCPhysVmxon = %#RGp\n", pCtx->hwvirt.vmx.GCPhysVmxon));
LogRel(("GCPhysVmcs = %#RGp\n", pCtx->hwvirt.vmx.GCPhysVmcs));
LogRel(("GCPhysShadowVmcs = %#RGp\n", pCtx->hwvirt.vmx.GCPhysShadowVmcs));
LogRel(("enmDiag = %u (%s)\n", pCtx->hwvirt.vmx.enmDiag, HMGetVmxDiagDesc(pCtx->hwvirt.vmx.enmDiag)));
LogRel(("uDiagAux = %#RX64\n", pCtx->hwvirt.vmx.uDiagAux));
LogRel(("enmAbort = %u (%s)\n", pCtx->hwvirt.vmx.enmAbort, VMXGetAbortDesc(pCtx->hwvirt.vmx.enmAbort)));
LogRel(("uAbortAux = %u (%#x)\n", pCtx->hwvirt.vmx.uAbortAux, pCtx->hwvirt.vmx.uAbortAux));
LogRel(("fInVmxRootMode = %RTbool\n", pCtx->hwvirt.vmx.fInVmxRootMode));
LogRel(("fInVmxNonRootMode = %RTbool\n", pCtx->hwvirt.vmx.fInVmxNonRootMode));
LogRel(("fInterceptEvents = %RTbool\n", pCtx->hwvirt.vmx.fInterceptEvents));
LogRel(("fNmiUnblockingIret = %RTbool\n", pCtx->hwvirt.vmx.fNmiUnblockingIret));
LogRel(("uFirstPauseLoopTick = %RX64\n", pCtx->hwvirt.vmx.uFirstPauseLoopTick));
LogRel(("uPrevPauseTick = %RX64\n", pCtx->hwvirt.vmx.uPrevPauseTick));
LogRel(("uEntryTick = %RX64\n", pCtx->hwvirt.vmx.uEntryTick));
LogRel(("offVirtApicWrite = %#RX16\n", pCtx->hwvirt.vmx.offVirtApicWrite));
LogRel(("fVirtNmiBlocking = %RTbool\n", pCtx->hwvirt.vmx.fVirtNmiBlocking));
LogRel(("VMCS cache:\n"));
const char *pszPrefix = " ";
/* Header. */
{
LogRel(("%sHeader:\n", pszPrefix));
LogRel((" %sVMCS revision id = %#RX32\n", pszPrefix, pVmcs->u32VmcsRevId));
LogRel((" %sVMX-abort id = %#RX32 (%s)\n", pszPrefix, pVmcs->enmVmxAbort, VMXGetAbortDesc(pVmcs->enmVmxAbort)));
LogRel((" %sVMCS state = %#x (%s)\n", pszPrefix, pVmcs->fVmcsState, VMXGetVmcsStateDesc(pVmcs->fVmcsState)));
}
/* Control fields. */
{
/* 16-bit. */
LogRel(("%sControl:\n", pszPrefix));
LogRel((" %sVPID = %#RX16\n", pszPrefix, pVmcs->u16Vpid));
LogRel((" %sPosted intr notify vector = %#RX16\n", pszPrefix, pVmcs->u16PostIntNotifyVector));
LogRel((" %sEPTP index = %#RX16\n", pszPrefix, pVmcs->u16EptpIndex));
/* 32-bit. */
LogRel((" %sPin ctls = %#RX32\n", pszPrefix, pVmcs->u32PinCtls));
LogRel((" %sProcessor ctls = %#RX32\n", pszPrefix, pVmcs->u32ProcCtls));
LogRel((" %sSecondary processor ctls = %#RX32\n", pszPrefix, pVmcs->u32ProcCtls2));
LogRel((" %sVM-exit ctls = %#RX32\n", pszPrefix, pVmcs->u32ExitCtls));
LogRel((" %sVM-entry ctls = %#RX32\n", pszPrefix, pVmcs->u32EntryCtls));
LogRel((" %sException bitmap = %#RX32\n", pszPrefix, pVmcs->u32XcptBitmap));
LogRel((" %sPage-fault mask = %#RX32\n", pszPrefix, pVmcs->u32XcptPFMask));
LogRel((" %sPage-fault match = %#RX32\n", pszPrefix, pVmcs->u32XcptPFMatch));
LogRel((" %sCR3-target count = %RU32\n", pszPrefix, pVmcs->u32Cr3TargetCount));
LogRel((" %sVM-exit MSR store count = %RU32\n", pszPrefix, pVmcs->u32ExitMsrStoreCount));
LogRel((" %sVM-exit MSR load count = %RU32\n", pszPrefix, pVmcs->u32ExitMsrLoadCount));
LogRel((" %sVM-entry MSR load count = %RU32\n", pszPrefix, pVmcs->u32EntryMsrLoadCount));
LogRel((" %sVM-entry interruption info = %#RX32\n", pszPrefix, pVmcs->u32EntryIntInfo));
{
uint32_t const fInfo = pVmcs->u32EntryIntInfo;
uint8_t const uType = VMX_ENTRY_INT_INFO_TYPE(fInfo);
LogRel((" %sValid = %RTbool\n", pszPrefix, VMX_ENTRY_INT_INFO_IS_VALID(fInfo)));
LogRel((" %sType = %#x (%s)\n", pszPrefix, uType, VMXGetEntryIntInfoTypeDesc(uType)));
LogRel((" %sVector = %#x\n", pszPrefix, VMX_ENTRY_INT_INFO_VECTOR(fInfo)));
LogRel((" %sNMI-unblocking-IRET = %RTbool\n", pszPrefix, VMX_ENTRY_INT_INFO_IS_NMI_UNBLOCK_IRET(fInfo)));
LogRel((" %sError-code valid = %RTbool\n", pszPrefix, VMX_ENTRY_INT_INFO_IS_ERROR_CODE_VALID(fInfo)));
}
LogRel((" %sVM-entry xcpt error-code = %#RX32\n", pszPrefix, pVmcs->u32EntryXcptErrCode));
LogRel((" %sVM-entry instr length = %u byte(s)\n", pszPrefix, pVmcs->u32EntryInstrLen));
LogRel((" %sTPR threshold = %#RX32\n", pszPrefix, pVmcs->u32TprThreshold));
LogRel((" %sPLE gap = %#RX32\n", pszPrefix, pVmcs->u32PleGap));
LogRel((" %sPLE window = %#RX32\n", pszPrefix, pVmcs->u32PleWindow));
/* 64-bit. */
LogRel((" %sIO-bitmap A addr = %#RX64\n", pszPrefix, pVmcs->u64AddrIoBitmapA.u));
LogRel((" %sIO-bitmap B addr = %#RX64\n", pszPrefix, pVmcs->u64AddrIoBitmapB.u));
LogRel((" %sMSR-bitmap addr = %#RX64\n", pszPrefix, pVmcs->u64AddrMsrBitmap.u));
LogRel((" %sVM-exit MSR store addr = %#RX64\n", pszPrefix, pVmcs->u64AddrExitMsrStore.u));
LogRel((" %sVM-exit MSR load addr = %#RX64\n", pszPrefix, pVmcs->u64AddrExitMsrLoad.u));
LogRel((" %sVM-entry MSR load addr = %#RX64\n", pszPrefix, pVmcs->u64AddrEntryMsrLoad.u));
LogRel((" %sExecutive VMCS ptr = %#RX64\n", pszPrefix, pVmcs->u64ExecVmcsPtr.u));
LogRel((" %sPML addr = %#RX64\n", pszPrefix, pVmcs->u64AddrPml.u));
LogRel((" %sTSC offset = %#RX64\n", pszPrefix, pVmcs->u64TscOffset.u));
LogRel((" %sVirtual-APIC addr = %#RX64\n", pszPrefix, pVmcs->u64AddrVirtApic.u));
LogRel((" %sAPIC-access addr = %#RX64\n", pszPrefix, pVmcs->u64AddrApicAccess.u));
LogRel((" %sPosted-intr desc addr = %#RX64\n", pszPrefix, pVmcs->u64AddrPostedIntDesc.u));
LogRel((" %sVM-functions control = %#RX64\n", pszPrefix, pVmcs->u64VmFuncCtls.u));
LogRel((" %sEPTP ptr = %#RX64\n", pszPrefix, pVmcs->u64EptpPtr.u));
LogRel((" %sEOI-exit bitmap 0 addr = %#RX64\n", pszPrefix, pVmcs->u64EoiExitBitmap0.u));
LogRel((" %sEOI-exit bitmap 1 addr = %#RX64\n", pszPrefix, pVmcs->u64EoiExitBitmap1.u));
LogRel((" %sEOI-exit bitmap 2 addr = %#RX64\n", pszPrefix, pVmcs->u64EoiExitBitmap2.u));
LogRel((" %sEOI-exit bitmap 3 addr = %#RX64\n", pszPrefix, pVmcs->u64EoiExitBitmap3.u));
LogRel((" %sEPTP-list addr = %#RX64\n", pszPrefix, pVmcs->u64AddrEptpList.u));
LogRel((" %sVMREAD-bitmap addr = %#RX64\n", pszPrefix, pVmcs->u64AddrVmreadBitmap.u));
LogRel((" %sVMWRITE-bitmap addr = %#RX64\n", pszPrefix, pVmcs->u64AddrVmwriteBitmap.u));
LogRel((" %sVirt-Xcpt info addr = %#RX64\n", pszPrefix, pVmcs->u64AddrXcptVeInfo.u));
LogRel((" %sXSS-bitmap = %#RX64\n", pszPrefix, pVmcs->u64XssBitmap.u));
LogRel((" %sENCLS-exiting bitmap = %#RX64\n", pszPrefix, pVmcs->u64EnclsBitmap.u));
LogRel((" %sSPPT pointer = %#RX64\n", pszPrefix, pVmcs->u64SpptPtr.u));
LogRel((" %sTSC multiplier = %#RX64\n", pszPrefix, pVmcs->u64TscMultiplier.u));
/* Natural width. */
LogRel((" %sCR0 guest/host mask = %#RX64\n", pszPrefix, pVmcs->u64Cr0Mask.u));
LogRel((" %sCR4 guest/host mask = %#RX64\n", pszPrefix, pVmcs->u64Cr4Mask.u));
LogRel((" %sCR0 read shadow = %#RX64\n", pszPrefix, pVmcs->u64Cr0ReadShadow.u));
LogRel((" %sCR4 read shadow = %#RX64\n", pszPrefix, pVmcs->u64Cr4ReadShadow.u));
LogRel((" %sCR3-target 0 = %#RX64\n", pszPrefix, pVmcs->u64Cr3Target0.u));
LogRel((" %sCR3-target 1 = %#RX64\n", pszPrefix, pVmcs->u64Cr3Target1.u));
LogRel((" %sCR3-target 2 = %#RX64\n", pszPrefix, pVmcs->u64Cr3Target2.u));
LogRel((" %sCR3-target 3 = %#RX64\n", pszPrefix, pVmcs->u64Cr3Target3.u));
}
/* Guest state. */
{
LogRel(("%sGuest state:\n", pszPrefix));
/* 16-bit. */
HMVMX_DUMP_GUEST_SEGREG(pVmcs, Cs, "cs", pszPrefix);
HMVMX_DUMP_GUEST_SEGREG(pVmcs, Ss, "ss", pszPrefix);
HMVMX_DUMP_GUEST_SEGREG(pVmcs, Es, "es", pszPrefix);
HMVMX_DUMP_GUEST_SEGREG(pVmcs, Ds, "ds", pszPrefix);
HMVMX_DUMP_GUEST_SEGREG(pVmcs, Fs, "fs", pszPrefix);
HMVMX_DUMP_GUEST_SEGREG(pVmcs, Gs, "gs", pszPrefix);
HMVMX_DUMP_GUEST_SEGREG(pVmcs, Ldtr, "ldtr", pszPrefix);
HMVMX_DUMP_GUEST_SEGREG(pVmcs, Tr, "tr", pszPrefix);
HMVMX_DUMP_GUEST_XDTR( pVmcs, Gdtr, "gdtr", pszPrefix);
HMVMX_DUMP_GUEST_XDTR( pVmcs, Idtr, "idtr", pszPrefix);
LogRel((" %sInterrupt status = %#RX16\n", pszPrefix, pVmcs->u16GuestIntStatus));
LogRel((" %sPML index = %#RX16\n", pszPrefix, pVmcs->u16PmlIndex));
/* 32-bit. */
LogRel((" %sInterruptibility state = %#RX32\n", pszPrefix, pVmcs->u32GuestIntrState));
LogRel((" %sActivity state = %#RX32\n", pszPrefix, pVmcs->u32GuestActivityState));
LogRel((" %sSMBASE = %#RX32\n", pszPrefix, pVmcs->u32GuestSmBase));
LogRel((" %sSysEnter CS = %#RX32\n", pszPrefix, pVmcs->u32GuestSysenterCS));
LogRel((" %sVMX-preemption timer value = %#RX32\n", pszPrefix, pVmcs->u32PreemptTimer));
/* 64-bit. */
LogRel((" %sVMCS link ptr = %#RX64\n", pszPrefix, pVmcs->u64VmcsLinkPtr.u));
LogRel((" %sDBGCTL = %#RX64\n", pszPrefix, pVmcs->u64GuestDebugCtlMsr.u));
LogRel((" %sPAT = %#RX64\n", pszPrefix, pVmcs->u64GuestPatMsr.u));
LogRel((" %sEFER = %#RX64\n", pszPrefix, pVmcs->u64GuestEferMsr.u));
LogRel((" %sPERFGLOBALCTRL = %#RX64\n", pszPrefix, pVmcs->u64GuestPerfGlobalCtlMsr.u));
LogRel((" %sPDPTE 0 = %#RX64\n", pszPrefix, pVmcs->u64GuestPdpte0.u));
LogRel((" %sPDPTE 1 = %#RX64\n", pszPrefix, pVmcs->u64GuestPdpte1.u));
LogRel((" %sPDPTE 2 = %#RX64\n", pszPrefix, pVmcs->u64GuestPdpte2.u));
LogRel((" %sPDPTE 3 = %#RX64\n", pszPrefix, pVmcs->u64GuestPdpte3.u));
LogRel((" %sBNDCFGS = %#RX64\n", pszPrefix, pVmcs->u64GuestBndcfgsMsr.u));
LogRel((" %sRTIT_CTL = %#RX64\n", pszPrefix, pVmcs->u64GuestRtitCtlMsr.u));
/* Natural width. */
LogRel((" %scr0 = %#RX64\n", pszPrefix, pVmcs->u64GuestCr0.u));
LogRel((" %scr3 = %#RX64\n", pszPrefix, pVmcs->u64GuestCr3.u));
LogRel((" %scr4 = %#RX64\n", pszPrefix, pVmcs->u64GuestCr4.u));
LogRel((" %sdr7 = %#RX64\n", pszPrefix, pVmcs->u64GuestDr7.u));
LogRel((" %srsp = %#RX64\n", pszPrefix, pVmcs->u64GuestRsp.u));
LogRel((" %srip = %#RX64\n", pszPrefix, pVmcs->u64GuestRip.u));
LogRel((" %srflags = %#RX64\n", pszPrefix, pVmcs->u64GuestRFlags.u));
LogRel((" %sPending debug xcpts = %#RX64\n", pszPrefix, pVmcs->u64GuestPendingDbgXcpts.u));
LogRel((" %sSysEnter ESP = %#RX64\n", pszPrefix, pVmcs->u64GuestSysenterEsp.u));
LogRel((" %sSysEnter EIP = %#RX64\n", pszPrefix, pVmcs->u64GuestSysenterEip.u));
}
/* Host state. */
{
LogRel(("%sHost state:\n", pszPrefix));
/* 16-bit. */
LogRel((" %scs = %#RX16\n", pszPrefix, pVmcs->HostCs));
LogRel((" %sss = %#RX16\n", pszPrefix, pVmcs->HostSs));
LogRel((" %sds = %#RX16\n", pszPrefix, pVmcs->HostDs));
LogRel((" %ses = %#RX16\n", pszPrefix, pVmcs->HostEs));
HMVMX_DUMP_HOST_FS_GS_TR(pVmcs, Fs, "fs", pszPrefix);
HMVMX_DUMP_HOST_FS_GS_TR(pVmcs, Gs, "gs", pszPrefix);
HMVMX_DUMP_HOST_FS_GS_TR(pVmcs, Tr, "tr", pszPrefix);
HMVMX_DUMP_HOST_XDTR(pVmcs, Gdtr, "gdtr", pszPrefix);
HMVMX_DUMP_HOST_XDTR(pVmcs, Idtr, "idtr", pszPrefix);
/* 32-bit. */
LogRel((" %sSysEnter CS = %#RX32\n", pszPrefix, pVmcs->u32HostSysenterCs));
/* 64-bit. */
LogRel((" %sEFER = %#RX64\n", pszPrefix, pVmcs->u64HostEferMsr.u));
LogRel((" %sPAT = %#RX64\n", pszPrefix, pVmcs->u64HostPatMsr.u));
LogRel((" %sPERFGLOBALCTRL = %#RX64\n", pszPrefix, pVmcs->u64HostPerfGlobalCtlMsr.u));
/* Natural width. */
LogRel((" %scr0 = %#RX64\n", pszPrefix, pVmcs->u64HostCr0.u));
LogRel((" %scr3 = %#RX64\n", pszPrefix, pVmcs->u64HostCr3.u));
LogRel((" %scr4 = %#RX64\n", pszPrefix, pVmcs->u64HostCr4.u));
LogRel((" %sSysEnter ESP = %#RX64\n", pszPrefix, pVmcs->u64HostSysenterEsp.u));
LogRel((" %sSysEnter EIP = %#RX64\n", pszPrefix, pVmcs->u64HostSysenterEip.u));
LogRel((" %srsp = %#RX64\n", pszPrefix, pVmcs->u64HostRsp.u));
LogRel((" %srip = %#RX64\n", pszPrefix, pVmcs->u64HostRip.u));
}
/* Read-only fields. */
{
LogRel(("%sRead-only data fields:\n", pszPrefix));
/* 16-bit (none currently). */
/* 32-bit. */
uint32_t const uExitReason = pVmcs->u32RoExitReason;
LogRel((" %sExit reason = %u (%s)\n", pszPrefix, uExitReason, HMGetVmxExitName(uExitReason)));
LogRel((" %sExit qualification = %#RX64\n", pszPrefix, pVmcs->u64RoExitQual.u));
LogRel((" %sVM-instruction error = %#RX32\n", pszPrefix, pVmcs->u32RoVmInstrError));
LogRel((" %sVM-exit intr info = %#RX32\n", pszPrefix, pVmcs->u32RoExitIntInfo));
{
uint32_t const fInfo = pVmcs->u32RoExitIntInfo;
uint8_t const uType = VMX_EXIT_INT_INFO_TYPE(fInfo);
LogRel((" %sValid = %RTbool\n", pszPrefix, VMX_EXIT_INT_INFO_IS_VALID(fInfo)));
LogRel((" %sType = %#x (%s)\n", pszPrefix, uType, VMXGetExitIntInfoTypeDesc(uType)));
LogRel((" %sVector = %#x\n", pszPrefix, VMX_EXIT_INT_INFO_VECTOR(fInfo)));
LogRel((" %sNMI-unblocking-IRET = %RTbool\n", pszPrefix, VMX_EXIT_INT_INFO_IS_NMI_UNBLOCK_IRET(fInfo)));
LogRel((" %sError-code valid = %RTbool\n", pszPrefix, VMX_EXIT_INT_INFO_IS_ERROR_CODE_VALID(fInfo)));
}
LogRel((" %sVM-exit intr error-code = %#RX32\n", pszPrefix, pVmcs->u32RoExitIntErrCode));
LogRel((" %sIDT-vectoring info = %#RX32\n", pszPrefix, pVmcs->u32RoIdtVectoringInfo));
{
uint32_t const fInfo = pVmcs->u32RoIdtVectoringInfo;
uint8_t const uType = VMX_IDT_VECTORING_INFO_TYPE(fInfo);
LogRel((" %sValid = %RTbool\n", pszPrefix, VMX_IDT_VECTORING_INFO_IS_VALID(fInfo)));
LogRel((" %sType = %#x (%s)\n", pszPrefix, uType, VMXGetIdtVectoringInfoTypeDesc(uType)));
LogRel((" %sVector = %#x\n", pszPrefix, VMX_IDT_VECTORING_INFO_VECTOR(fInfo)));
LogRel((" %sError-code valid = %RTbool\n", pszPrefix, VMX_IDT_VECTORING_INFO_IS_ERROR_CODE_VALID(fInfo)));
}
LogRel((" %sIDT-vectoring error-code = %#RX32\n", pszPrefix, pVmcs->u32RoIdtVectoringErrCode));
LogRel((" %sVM-exit instruction length = %u bytes\n", pszPrefix, pVmcs->u32RoExitInstrLen));
LogRel((" %sVM-exit instruction info = %#RX64\n", pszPrefix, pVmcs->u32RoExitInstrInfo));
/* 64-bit. */
LogRel((" %sGuest-physical addr = %#RX64\n", pszPrefix, pVmcs->u64RoGuestPhysAddr.u));
/* Natural width. */
LogRel((" %sI/O RCX = %#RX64\n", pszPrefix, pVmcs->u64RoIoRcx.u));
LogRel((" %sI/O RSI = %#RX64\n", pszPrefix, pVmcs->u64RoIoRsi.u));
LogRel((" %sI/O RDI = %#RX64\n", pszPrefix, pVmcs->u64RoIoRdi.u));
LogRel((" %sI/O RIP = %#RX64\n", pszPrefix, pVmcs->u64RoIoRip.u));
LogRel((" %sGuest-linear addr = %#RX64\n", pszPrefix, pVmcs->u64RoGuestLinearAddr.u));
}
#undef HMVMX_DUMP_HOST_XDTR
#undef HMVMX_DUMP_HOST_FS_GS_TR
#undef HMVMX_DUMP_GUEST_SEGREG
#undef HMVMX_DUMP_GUEST_XDTR
}
/**
* Gets the active (in use) VMCS info. object for the specified VCPU.
*
* This is either the guest or nested-guest VMCS info. and need not necessarily
* pertain to the "current" VMCS (in the VMX definition of the term). For instance,
* if the VM-entry failed due to an invalid-guest state, we may have "cleared" the
* current VMCS while returning to ring-3. However, the VMCS info. object for that
* VMCS would still be active and returned here so that we could dump the VMCS
* fields to ring-3 for diagnostics. This function is thus only used to
* distinguish between the nested-guest or guest VMCS.
*
* @returns The active VMCS information.
* @param pVCpu The cross context virtual CPU structure.
*
* @thread EMT.
* @remarks This function may be called with preemption or interrupts disabled!
*/
VMM_INT_DECL(PVMXVMCSINFO) hmGetVmxActiveVmcsInfo(PVMCPU pVCpu)
{
if (!pVCpu->hm.s.vmx.fSwitchedToNstGstVmcs)
return &pVCpu->hm.s.vmx.VmcsInfo;
return &pVCpu->hm.s.vmx.VmcsInfoNstGst;
}
/**
* Converts a VMX event type into an appropriate TRPM event type.
*
* @returns TRPM event.
* @param uIntInfo The VMX event.
*/
VMM_INT_DECL(TRPMEVENT) HMVmxEventTypeToTrpmEventType(uint32_t uIntInfo)
{
Assert(VMX_IDT_VECTORING_INFO_IS_VALID(uIntInfo));
TRPMEVENT enmTrapType;
uint8_t const uType = VMX_IDT_VECTORING_INFO_TYPE(uIntInfo);
uint8_t const uVector = VMX_IDT_VECTORING_INFO_VECTOR(uIntInfo);
switch (uType)
{
case VMX_IDT_VECTORING_INFO_TYPE_EXT_INT:
enmTrapType = TRPM_HARDWARE_INT;
break;
case VMX_IDT_VECTORING_INFO_TYPE_NMI:
case VMX_IDT_VECTORING_INFO_TYPE_HW_XCPT:
enmTrapType = TRPM_TRAP;
break;
case VMX_IDT_VECTORING_INFO_TYPE_PRIV_SW_XCPT: /* INT1 (ICEBP). */
Assert(uVector == X86_XCPT_DB); NOREF(uVector);
enmTrapType = TRPM_SOFTWARE_INT;
break;
case VMX_IDT_VECTORING_INFO_TYPE_SW_XCPT: /* INT3 (#BP) and INTO (#OF) */
Assert(uVector == X86_XCPT_BP || uVector == X86_XCPT_OF); NOREF(uVector);
enmTrapType = TRPM_SOFTWARE_INT;
break;
case VMX_IDT_VECTORING_INFO_TYPE_SW_INT:
enmTrapType = TRPM_SOFTWARE_INT;
break;
default:
AssertMsgFailed(("Invalid trap type %#x\n", uType));
enmTrapType = TRPM_32BIT_HACK;
break;
}
return enmTrapType;
}
/**
* Converts a TRPM event type into an appropriate VMX event type.
*
* @returns VMX event type mask.
* @param uVector The event vector.
* @param enmTrpmEvent The TRPM event.
* @param fIcebp Whether the \#DB vector is caused by an INT1/ICEBP
* instruction.
*/
VMM_INT_DECL(uint32_t) HMTrpmEventTypeToVmxEventType(uint8_t uVector, TRPMEVENT enmTrpmEvent, bool fIcebp)
{
uint32_t uIntInfoType = 0;
if (enmTrpmEvent == TRPM_TRAP)
{
Assert(!fIcebp);
switch (uVector)
{
case X86_XCPT_NMI:
uIntInfoType |= (VMX_IDT_VECTORING_INFO_TYPE_NMI << VMX_IDT_VECTORING_INFO_TYPE_SHIFT);
break;
case X86_XCPT_BP:
case X86_XCPT_OF:
uIntInfoType |= (VMX_IDT_VECTORING_INFO_TYPE_SW_XCPT << VMX_IDT_VECTORING_INFO_TYPE_SHIFT);
break;
case X86_XCPT_PF:
case X86_XCPT_DF:
case X86_XCPT_TS:
case X86_XCPT_NP:
case X86_XCPT_SS:
case X86_XCPT_GP:
case X86_XCPT_AC:
uIntInfoType |= VMX_IDT_VECTORING_INFO_ERROR_CODE_VALID;
RT_FALL_THRU();
default:
uIntInfoType |= (VMX_IDT_VECTORING_INFO_TYPE_HW_XCPT << VMX_IDT_VECTORING_INFO_TYPE_SHIFT);
break;
}
}
else if (enmTrpmEvent == TRPM_HARDWARE_INT)
{
Assert(!fIcebp);
uIntInfoType |= (VMX_IDT_VECTORING_INFO_TYPE_EXT_INT << VMX_IDT_VECTORING_INFO_TYPE_SHIFT);
}
else if (enmTrpmEvent == TRPM_SOFTWARE_INT)
{
switch (uVector)
{
case X86_XCPT_BP:
case X86_XCPT_OF:
uIntInfoType |= (VMX_IDT_VECTORING_INFO_TYPE_SW_XCPT << VMX_IDT_VECTORING_INFO_TYPE_SHIFT);
break;
case X86_XCPT_DB:
{
if (fIcebp)
{
uIntInfoType |= (VMX_IDT_VECTORING_INFO_TYPE_PRIV_SW_XCPT << VMX_IDT_VECTORING_INFO_TYPE_SHIFT);
break;
}
RT_FALL_THRU();
}
default:
uIntInfoType |= (VMX_IDT_VECTORING_INFO_TYPE_SW_INT << VMX_IDT_VECTORING_INFO_TYPE_SHIFT);
break;
}
}
else
AssertMsgFailed(("Invalid TRPM event type %d\n", enmTrpmEvent));
return uIntInfoType;
}
#ifdef VBOX_WITH_NESTED_HWVIRT_VMX
/**
* Notification callback for when a VM-exit happens outside VMX R0 code (e.g. in
* IEM).
*
* @param pVCpu The cross context virtual CPU structure.
*
* @remarks Can be called from ring-0 as well as ring-3.
*/
VMM_INT_DECL(void) HMNotifyVmxNstGstVmexit(PVMCPU pVCpu)
{
LogFlowFunc(("\n"));
/*
* Transitions to ring-3 flag a full CPU-state change except if we transition to ring-3
* in response to a physical CPU interrupt as no changes to the guest-CPU state are
* expected (see VINF_EM_RAW_INTERRUPT handling in hmR0VmxExitToRing3).
*
* However, with nested-guests, the state -can- change on trips to ring-3 for we might
* try to inject a nested-guest physical interrupt and cause a VMX_EXIT_EXT_INT VM-exit
* for the nested-guest from ring-3.
*
* Signalling reload of just the guest-CPU state that changed with the VM-exit is -not-
* sufficient since HM also needs to reload state related to VM-entry/VM-exit controls
* etc. So signal reloading of the entire state. It does not seem worth making this any
* more fine grained at the moment.
*/
CPUM_ASSERT_NOT_EXTRN(pVCpu, CPUMCTX_EXTRN_ALL);
ASMAtomicUoOrU64(&pVCpu->hm.s.fCtxChanged, HM_CHANGED_ALL_GUEST);
/*
* Make sure we need to merge the guest VMCS controls with the nested-guest
* VMCS controls on the next nested-guest VM-entry.
*/
pVCpu->hm.s.vmx.fMergedNstGstCtls = false;
/*
* Flush the TLB before entering the outer guest execution (mainly required since the
* APIC-access guest-physical address would have changed and probably more things in
* the future).
*/
pVCpu->hm.s.vmx.fSwitchedNstGstFlushTlb = true;
/** @todo Handle releasing of the page-mapping lock later. */
#if 0
if (pVCpu->hm.s.vmx.fVirtApicPageLocked)
{
PGMPhysReleasePageMappingLock(pVCpu->CTX_SUFF(pVM), &pVCpu->hm.s.vmx.PgMapLockVirtApic);
pVCpu->hm.s.vmx.fVirtApicPageLocked = false;
}
#endif
}
/**
* Notification callback for when the nested hypervisor's current VMCS is loaded or
* changed outside VMX R0 code (e.g. in IEM).
*
* This need -not- be called for modifications to the nested hypervisor's current
* VMCS when the guest is in VMX non-root mode as VMCS shadowing is not applicable
* there.
*
* @param pVCpu The cross context virtual CPU structure.
*
* @remarks Can be called from ring-0 as well as ring-3.
*/
VMM_INT_DECL(void) HMNotifyVmxNstGstCurrentVmcsChanged(PVMCPU pVCpu)
{
CPUM_ASSERT_NOT_EXTRN(pVCpu, CPUMCTX_EXTRN_HWVIRT);
ASMAtomicUoOrU64(&pVCpu->hm.s.fCtxChanged, CPUMCTX_EXTRN_HWVIRT);
/*
* Make sure we need to copy the nested hypervisor's current VMCS into the shadow VMCS
* on the next guest VM-entry.
*/
pVCpu->hm.s.vmx.fCopiedNstGstToShadowVmcs = false;
}
#endif /* VBOX_WITH_NESTED_HWVIRT_VMX */
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