/* $Id: HWACCM.cpp 33066 2010-10-12 13:35:36Z vboxsync $ */ /** @file * HWACCM - Intel/AMD VM Hardware Support Manager */ /* * Copyright (C) 2006-2007 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_HWACCM #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include "HWACCMInternal.h" #include #include #include #include #include #include #include #include #include #include /******************************************************************************* * Global Variables * *******************************************************************************/ #ifdef VBOX_WITH_STATISTICS # define EXIT_REASON(def, val, str) #def " - " #val " - " str # define EXIT_REASON_NIL() NULL /** Exit reason descriptions for VT-x, used to describe statistics. */ static const char * const g_apszVTxExitReasons[MAX_EXITREASON_STAT] = { EXIT_REASON(VMX_EXIT_EXCEPTION , 0, "Exception or non-maskable interrupt (NMI)."), EXIT_REASON(VMX_EXIT_EXTERNAL_IRQ , 1, "External interrupt."), EXIT_REASON(VMX_EXIT_TRIPLE_FAULT , 2, "Triple fault."), EXIT_REASON(VMX_EXIT_INIT_SIGNAL , 3, "INIT signal."), EXIT_REASON(VMX_EXIT_SIPI , 4, "Start-up IPI (SIPI)."), EXIT_REASON(VMX_EXIT_IO_SMI_IRQ , 5, "I/O system-management interrupt (SMI)."), EXIT_REASON(VMX_EXIT_SMI_IRQ , 6, "Other SMI."), EXIT_REASON(VMX_EXIT_IRQ_WINDOW , 7, "Interrupt window."), EXIT_REASON_NIL(), EXIT_REASON(VMX_EXIT_TASK_SWITCH , 9, "Task switch."), EXIT_REASON(VMX_EXIT_CPUID , 10, "Guest software attempted to execute CPUID."), EXIT_REASON_NIL(), EXIT_REASON(VMX_EXIT_HLT , 12, "Guest software attempted to execute HLT."), EXIT_REASON(VMX_EXIT_INVD , 13, "Guest software attempted to execute INVD."), EXIT_REASON(VMX_EXIT_INVPG , 14, "Guest software attempted to execute INVPG."), EXIT_REASON(VMX_EXIT_RDPMC , 15, "Guest software attempted to execute RDPMC."), EXIT_REASON(VMX_EXIT_RDTSC , 16, "Guest software attempted to execute RDTSC."), EXIT_REASON(VMX_EXIT_RSM , 17, "Guest software attempted to execute RSM in SMM."), EXIT_REASON(VMX_EXIT_VMCALL , 18, "Guest software executed VMCALL."), EXIT_REASON(VMX_EXIT_VMCLEAR , 19, "Guest software executed VMCLEAR."), EXIT_REASON(VMX_EXIT_VMLAUNCH , 20, "Guest software executed VMLAUNCH."), EXIT_REASON(VMX_EXIT_VMPTRLD , 21, "Guest software executed VMPTRLD."), EXIT_REASON(VMX_EXIT_VMPTRST , 22, "Guest software executed VMPTRST."), EXIT_REASON(VMX_EXIT_VMREAD , 23, "Guest software executed VMREAD."), EXIT_REASON(VMX_EXIT_VMRESUME , 24, "Guest software executed VMRESUME."), EXIT_REASON(VMX_EXIT_VMWRITE , 25, "Guest software executed VMWRITE."), EXIT_REASON(VMX_EXIT_VMXOFF , 26, "Guest software executed VMXOFF."), EXIT_REASON(VMX_EXIT_VMXON , 27, "Guest software executed VMXON."), EXIT_REASON(VMX_EXIT_CRX_MOVE , 28, "Control-register accesses."), EXIT_REASON(VMX_EXIT_DRX_MOVE , 29, "Debug-register accesses."), EXIT_REASON(VMX_EXIT_PORT_IO , 30, "I/O instruction."), EXIT_REASON(VMX_EXIT_RDMSR , 31, "RDMSR. Guest software attempted to execute RDMSR."), EXIT_REASON(VMX_EXIT_WRMSR , 32, "WRMSR. Guest software attempted to execute WRMSR."), EXIT_REASON(VMX_EXIT_ERR_INVALID_GUEST_STATE, 33, "VM-entry failure due to invalid guest state."), EXIT_REASON(VMX_EXIT_ERR_MSR_LOAD , 34, "VM-entry failure due to MSR loading."), EXIT_REASON_NIL(), EXIT_REASON(VMX_EXIT_MWAIT , 36, "Guest software executed MWAIT."), EXIT_REASON_NIL(), EXIT_REASON_NIL(), EXIT_REASON(VMX_EXIT_MONITOR , 39, "Guest software attempted to execute MONITOR."), EXIT_REASON(VMX_EXIT_PAUSE , 40, "Guest software attempted to execute PAUSE."), EXIT_REASON(VMX_EXIT_ERR_MACHINE_CHECK , 41, "VM-entry failure due to machine-check."), EXIT_REASON_NIL(), EXIT_REASON(VMX_EXIT_TPR , 43, "TPR below threshold. Guest software executed MOV to CR8."), EXIT_REASON(VMX_EXIT_APIC_ACCESS , 44, "APIC access. Guest software attempted to access memory at a physical address on the APIC-access page."), EXIT_REASON_NIL(), EXIT_REASON(VMX_EXIT_XDTR_ACCESS , 46, "Access to GDTR or IDTR. Guest software attempted to execute LGDT, LIDT, SGDT, or SIDT."), EXIT_REASON(VMX_EXIT_TR_ACCESS , 47, "Access to LDTR or TR. Guest software attempted to execute LLDT, LTR, SLDT, or STR."), EXIT_REASON(VMX_EXIT_EPT_VIOLATION , 48, "EPT violation. An attempt to access memory with a guest-physical address was disallowed by the configuration of the EPT paging structures."), EXIT_REASON(VMX_EXIT_EPT_MISCONFIG , 49, "EPT misconfiguration. An attempt to access memory with a guest-physical address encountered a misconfigured EPT paging-structure entry."), EXIT_REASON(VMX_EXIT_INVEPT , 50, "INVEPT. Guest software attempted to execute INVEPT."), EXIT_REASON_NIL(), EXIT_REASON(VMX_EXIT_PREEMPTION_TIMER , 52, "VMX-preemption timer expired. The preemption timer counted down to zero."), EXIT_REASON(VMX_EXIT_INVVPID , 53, "INVVPID. Guest software attempted to execute INVVPID."), EXIT_REASON(VMX_EXIT_WBINVD , 54, "WBINVD. Guest software attempted to execute WBINVD."), EXIT_REASON(VMX_EXIT_XSETBV , 55, "XSETBV. Guest software attempted to execute XSETBV."), EXIT_REASON_NIL() }; /** Exit reason descriptions for AMD-V, used to describe statistics. */ static const char * const g_apszAmdVExitReasons[MAX_EXITREASON_STAT] = { EXIT_REASON(SVM_EXIT_READ_CR0 , 0, "Read CR0."), EXIT_REASON(SVM_EXIT_READ_CR1 , 1, "Read CR1."), EXIT_REASON(SVM_EXIT_READ_CR2 , 2, "Read CR2."), EXIT_REASON(SVM_EXIT_READ_CR3 , 3, "Read CR3."), EXIT_REASON(SVM_EXIT_READ_CR4 , 4, "Read CR4."), EXIT_REASON(SVM_EXIT_READ_CR5 , 5, "Read CR5."), EXIT_REASON(SVM_EXIT_READ_CR6 , 6, "Read CR6."), EXIT_REASON(SVM_EXIT_READ_CR7 , 7, "Read CR7."), EXIT_REASON(SVM_EXIT_READ_CR8 , 8, "Read CR8."), EXIT_REASON(SVM_EXIT_READ_CR9 , 9, "Read CR9."), EXIT_REASON(SVM_EXIT_READ_CR10 , 10, "Read CR10."), EXIT_REASON(SVM_EXIT_READ_CR11 , 11, "Read CR11."), EXIT_REASON(SVM_EXIT_READ_CR12 , 12, "Read CR12."), EXIT_REASON(SVM_EXIT_READ_CR13 , 13, "Read CR13."), EXIT_REASON(SVM_EXIT_READ_CR14 , 14, "Read CR14."), EXIT_REASON(SVM_EXIT_READ_CR15 , 15, "Read CR15."), EXIT_REASON(SVM_EXIT_WRITE_CR0 , 16, "Write CR0."), EXIT_REASON(SVM_EXIT_WRITE_CR1 , 17, "Write CR1."), EXIT_REASON(SVM_EXIT_WRITE_CR2 , 18, "Write CR2."), EXIT_REASON(SVM_EXIT_WRITE_CR3 , 19, "Write CR3."), EXIT_REASON(SVM_EXIT_WRITE_CR4 , 20, "Write CR4."), EXIT_REASON(SVM_EXIT_WRITE_CR5 , 21, "Write CR5."), EXIT_REASON(SVM_EXIT_WRITE_CR6 , 22, "Write CR6."), EXIT_REASON(SVM_EXIT_WRITE_CR7 , 23, "Write CR7."), EXIT_REASON(SVM_EXIT_WRITE_CR8 , 24, "Write CR8."), EXIT_REASON(SVM_EXIT_WRITE_CR9 , 25, "Write CR9."), EXIT_REASON(SVM_EXIT_WRITE_CR10 , 26, "Write CR10."), EXIT_REASON(SVM_EXIT_WRITE_CR11 , 27, "Write CR11."), EXIT_REASON(SVM_EXIT_WRITE_CR12 , 28, "Write CR12."), EXIT_REASON(SVM_EXIT_WRITE_CR13 , 29, "Write CR13."), EXIT_REASON(SVM_EXIT_WRITE_CR14 , 30, "Write CR14."), EXIT_REASON(SVM_EXIT_WRITE_CR15 , 31, "Write CR15."), EXIT_REASON(SVM_EXIT_READ_DR0 , 32, "Read DR0."), EXIT_REASON(SVM_EXIT_READ_DR1 , 33, "Read DR1."), EXIT_REASON(SVM_EXIT_READ_DR2 , 34, "Read DR2."), EXIT_REASON(SVM_EXIT_READ_DR3 , 35, "Read DR3."), EXIT_REASON(SVM_EXIT_READ_DR4 , 36, "Read DR4."), EXIT_REASON(SVM_EXIT_READ_DR5 , 37, "Read DR5."), EXIT_REASON(SVM_EXIT_READ_DR6 , 38, "Read DR6."), EXIT_REASON(SVM_EXIT_READ_DR7 , 39, "Read DR7."), EXIT_REASON(SVM_EXIT_READ_DR8 , 40, "Read DR8."), EXIT_REASON(SVM_EXIT_READ_DR9 , 41, "Read DR9."), EXIT_REASON(SVM_EXIT_READ_DR10 , 42, "Read DR10."), EXIT_REASON(SVM_EXIT_READ_DR11 , 43, "Read DR11"), EXIT_REASON(SVM_EXIT_READ_DR12 , 44, "Read DR12."), EXIT_REASON(SVM_EXIT_READ_DR13 , 45, "Read DR13."), EXIT_REASON(SVM_EXIT_READ_DR14 , 46, "Read DR14."), EXIT_REASON(SVM_EXIT_READ_DR15 , 47, "Read DR15."), EXIT_REASON(SVM_EXIT_WRITE_DR0 , 48, "Write DR0."), EXIT_REASON(SVM_EXIT_WRITE_DR1 , 49, "Write DR1."), EXIT_REASON(SVM_EXIT_WRITE_DR2 , 50, "Write DR2."), EXIT_REASON(SVM_EXIT_WRITE_DR3 , 51, "Write DR3."), EXIT_REASON(SVM_EXIT_WRITE_DR4 , 52, "Write DR4."), EXIT_REASON(SVM_EXIT_WRITE_DR5 , 53, "Write DR5."), EXIT_REASON(SVM_EXIT_WRITE_DR6 , 54, "Write DR6."), EXIT_REASON(SVM_EXIT_WRITE_DR7 , 55, "Write DR7."), EXIT_REASON(SVM_EXIT_WRITE_DR8 , 56, "Write DR8."), EXIT_REASON(SVM_EXIT_WRITE_DR9 , 57, "Write DR9."), EXIT_REASON(SVM_EXIT_WRITE_DR10 , 58, "Write DR10."), EXIT_REASON(SVM_EXIT_WRITE_DR11 , 59, "Write DR11."), EXIT_REASON(SVM_EXIT_WRITE_DR12 , 60, "Write DR12."), EXIT_REASON(SVM_EXIT_WRITE_DR13 , 61, "Write DR13."), EXIT_REASON(SVM_EXIT_WRITE_DR14 , 62, "Write DR14."), EXIT_REASON(SVM_EXIT_WRITE_DR15 , 63, "Write DR15."), EXIT_REASON(SVM_EXIT_EXCEPTION_0 , 64, "Exception Vector 0 (0x0)."), EXIT_REASON(SVM_EXIT_EXCEPTION_1 , 65, "Exception Vector 1 (0x1)."), EXIT_REASON(SVM_EXIT_EXCEPTION_2 , 66, "Exception Vector 2 (0x2)."), EXIT_REASON(SVM_EXIT_EXCEPTION_3 , 67, "Exception Vector 3 (0x3)."), EXIT_REASON(SVM_EXIT_EXCEPTION_4 , 68, "Exception Vector 4 (0x4)."), EXIT_REASON(SVM_EXIT_EXCEPTION_5 , 69, "Exception Vector 5 (0x5)."), EXIT_REASON(SVM_EXIT_EXCEPTION_6 , 70, "Exception Vector 6 (0x6)."), EXIT_REASON(SVM_EXIT_EXCEPTION_7 , 71, "Exception Vector 7 (0x7)."), EXIT_REASON(SVM_EXIT_EXCEPTION_8 , 72, "Exception Vector 8 (0x8)."), EXIT_REASON(SVM_EXIT_EXCEPTION_9 , 73, "Exception Vector 9 (0x9)."), EXIT_REASON(SVM_EXIT_EXCEPTION_A , 74, "Exception Vector 10 (0xA)."), EXIT_REASON(SVM_EXIT_EXCEPTION_B , 75, "Exception Vector 11 (0xB)."), EXIT_REASON(SVM_EXIT_EXCEPTION_C , 76, "Exception Vector 12 (0xC)."), EXIT_REASON(SVM_EXIT_EXCEPTION_D , 77, "Exception Vector 13 (0xD)."), EXIT_REASON(SVM_EXIT_EXCEPTION_E , 78, "Exception Vector 14 (0xE)."), EXIT_REASON(SVM_EXIT_EXCEPTION_F , 79, "Exception Vector 15 (0xF)."), EXIT_REASON(SVM_EXIT_EXCEPTION_10 , 80, "Exception Vector 16 (0x10)."), EXIT_REASON(SVM_EXIT_EXCEPTION_11 , 81, "Exception Vector 17 (0x11)."), EXIT_REASON(SVM_EXIT_EXCEPTION_12 , 82, "Exception Vector 18 (0x12)."), EXIT_REASON(SVM_EXIT_EXCEPTION_13 , 83, "Exception Vector 19 (0x13)."), EXIT_REASON(SVM_EXIT_EXCEPTION_14 , 84, "Exception Vector 20 (0x14)."), EXIT_REASON(SVM_EXIT_EXCEPTION_15 , 85, "Exception Vector 22 (0x15)."), EXIT_REASON(SVM_EXIT_EXCEPTION_16 , 86, "Exception Vector 22 (0x16)."), EXIT_REASON(SVM_EXIT_EXCEPTION_17 , 87, "Exception Vector 23 (0x17)."), EXIT_REASON(SVM_EXIT_EXCEPTION_18 , 88, "Exception Vector 24 (0x18)."), EXIT_REASON(SVM_EXIT_EXCEPTION_19 , 89, "Exception Vector 25 (0x19)."), EXIT_REASON(SVM_EXIT_EXCEPTION_1A , 90, "Exception Vector 26 (0x1A)."), EXIT_REASON(SVM_EXIT_EXCEPTION_1B , 91, "Exception Vector 27 (0x1B)."), EXIT_REASON(SVM_EXIT_EXCEPTION_1C , 92, "Exception Vector 28 (0x1C)."), EXIT_REASON(SVM_EXIT_EXCEPTION_1D , 93, "Exception Vector 29 (0x1D)."), EXIT_REASON(SVM_EXIT_EXCEPTION_1E , 94, "Exception Vector 30 (0x1E)."), EXIT_REASON(SVM_EXIT_EXCEPTION_1F , 95, "Exception Vector 31 (0x1F)."), EXIT_REASON(SVM_EXIT_INTR , 96, "Physical maskable interrupt."), EXIT_REASON(SVM_EXIT_NMI , 97, "Physical non-maskable interrupt."), EXIT_REASON(SVM_EXIT_SMI , 98, "System management interrupt."), EXIT_REASON(SVM_EXIT_INIT , 99, "Physical INIT signal."), EXIT_REASON(SVM_EXIT_VINTR ,100, "Virtual interrupt."), EXIT_REASON(SVM_EXIT_CR0_SEL_WRITE ,101, "Write to CR0 that changed any bits other than CR0.TS or CR0.MP."), EXIT_REASON(SVM_EXIT_IDTR_READ ,102, "Read IDTR"), EXIT_REASON(SVM_EXIT_GDTR_READ ,103, "Read GDTR"), EXIT_REASON(SVM_EXIT_LDTR_READ ,104, "Read LDTR."), EXIT_REASON(SVM_EXIT_TR_READ ,105, "Read TR."), EXIT_REASON(SVM_EXIT_TR_READ ,106, "Write IDTR."), EXIT_REASON(SVM_EXIT_TR_READ ,107, "Write GDTR."), EXIT_REASON(SVM_EXIT_TR_READ ,108, "Write LDTR."), EXIT_REASON(SVM_EXIT_TR_READ ,109, "Write TR."), EXIT_REASON(SVM_EXIT_RDTSC ,110, "RDTSC instruction."), EXIT_REASON(SVM_EXIT_RDPMC ,111, "RDPMC instruction."), EXIT_REASON(SVM_EXIT_PUSHF ,112, "PUSHF instruction."), EXIT_REASON(SVM_EXIT_POPF ,113, "POPF instruction."), EXIT_REASON(SVM_EXIT_CPUID ,114, "CPUID instruction."), EXIT_REASON(SVM_EXIT_RSM ,115, "RSM instruction."), EXIT_REASON(SVM_EXIT_IRET ,116, "IRET instruction."), EXIT_REASON(SVM_EXIT_SWINT ,117, "Software interrupt (INTn instructions)."), EXIT_REASON(SVM_EXIT_INVD ,118, "INVD instruction."), EXIT_REASON(SVM_EXIT_PAUSE ,119, "PAUSE instruction."), EXIT_REASON(SVM_EXIT_HLT ,120, "HLT instruction."), EXIT_REASON(SVM_EXIT_INVLPG ,121, "INVLPG instruction."), EXIT_REASON(SVM_EXIT_INVLPGA ,122, "INVLPGA instruction."), EXIT_REASON(SVM_EXIT_IOIO ,123, "IN/OUT accessing protected port (EXITINFO1 field provides more information)."), EXIT_REASON(SVM_EXIT_MSR ,124, "RDMSR or WRMSR access to protected MSR."), EXIT_REASON(SVM_EXIT_TASK_SWITCH ,125, "Task switch."), EXIT_REASON(SVM_EXIT_FERR_FREEZE ,126, "FP legacy handling enabled, and processor is frozen in an x87/mmx instruction waiting for an interrupt"), EXIT_REASON(SVM_EXIT_SHUTDOWN ,127, "Shutdown."), EXIT_REASON(SVM_EXIT_VMRUN ,128, "VMRUN instruction."), EXIT_REASON(SVM_EXIT_VMMCALL ,129, "VMCALL instruction."), EXIT_REASON(SVM_EXIT_VMLOAD ,130, "VMLOAD instruction."), EXIT_REASON(SVM_EXIT_VMSAVE ,131, "VMSAVE instruction."), EXIT_REASON(SVM_EXIT_STGI ,132, "STGI instruction."), EXIT_REASON(SVM_EXIT_CLGI ,133, "CLGI instruction."), EXIT_REASON(SVM_EXIT_SKINIT ,134, "SKINIT instruction."), EXIT_REASON(SVM_EXIT_RDTSCP ,135, "RDTSCP instruction."), EXIT_REASON(SVM_EXIT_ICEBP ,136, "ICEBP instruction."), EXIT_REASON(SVM_EXIT_WBINVD ,137, "WBINVD instruction."), EXIT_REASON(SVM_EXIT_MONITOR ,138, "MONITOR instruction."), EXIT_REASON(SVM_EXIT_MWAIT_UNCOND ,139, "MWAIT instruction unconditional."), EXIT_REASON(SVM_EXIT_MWAIT_ARMED ,140, "MWAIT instruction when armed."), EXIT_REASON(SVM_EXIT_NPF ,1024, "Nested paging: host-level page fault occurred (EXITINFO1 contains fault errorcode; EXITINFO2 contains the guest physical address causing the fault)."), EXIT_REASON_NIL() }; # undef EXIT_REASON # undef EXIT_REASON_NIL #endif /* VBOX_WITH_STATISTICS */ /******************************************************************************* * Internal Functions * *******************************************************************************/ static DECLCALLBACK(int) hwaccmR3Save(PVM pVM, PSSMHANDLE pSSM); static DECLCALLBACK(int) hwaccmR3Load(PVM pVM, PSSMHANDLE pSSM, uint32_t uVersion, uint32_t uPass); /** * Initializes the HWACCM. * * @returns VBox status code. * @param pVM The VM to operate on. */ VMMR3DECL(int) HWACCMR3Init(PVM pVM) { LogFlow(("HWACCMR3Init\n")); /* * Assert alignment and sizes. */ AssertCompileMemberAlignment(VM, hwaccm.s, 32); AssertCompile(sizeof(pVM->hwaccm.s) <= sizeof(pVM->hwaccm.padding)); /* Some structure checks. */ AssertReleaseMsg(RT_OFFSETOF(SVM_VMCB, ctrl.EventInject) == 0xA8, ("ctrl.EventInject offset = %x\n", RT_OFFSETOF(SVM_VMCB, ctrl.EventInject))); AssertReleaseMsg(RT_OFFSETOF(SVM_VMCB, ctrl.ExitIntInfo) == 0x88, ("ctrl.ExitIntInfo offset = %x\n", RT_OFFSETOF(SVM_VMCB, ctrl.ExitIntInfo))); AssertReleaseMsg(RT_OFFSETOF(SVM_VMCB, ctrl.TLBCtrl) == 0x58, ("ctrl.TLBCtrl offset = %x\n", RT_OFFSETOF(SVM_VMCB, ctrl.TLBCtrl))); AssertReleaseMsg(RT_OFFSETOF(SVM_VMCB, guest) == 0x400, ("guest offset = %x\n", RT_OFFSETOF(SVM_VMCB, guest))); AssertReleaseMsg(RT_OFFSETOF(SVM_VMCB, guest.TR) == 0x490, ("guest.TR offset = %x\n", RT_OFFSETOF(SVM_VMCB, guest.TR))); AssertReleaseMsg(RT_OFFSETOF(SVM_VMCB, guest.u8CPL) == 0x4CB, ("guest.u8CPL offset = %x\n", RT_OFFSETOF(SVM_VMCB, guest.u8CPL))); AssertReleaseMsg(RT_OFFSETOF(SVM_VMCB, guest.u64EFER) == 0x4D0, ("guest.u64EFER offset = %x\n", RT_OFFSETOF(SVM_VMCB, guest.u64EFER))); AssertReleaseMsg(RT_OFFSETOF(SVM_VMCB, guest.u64CR4) == 0x548, ("guest.u64CR4 offset = %x\n", RT_OFFSETOF(SVM_VMCB, guest.u64CR4))); AssertReleaseMsg(RT_OFFSETOF(SVM_VMCB, guest.u64RIP) == 0x578, ("guest.u64RIP offset = %x\n", RT_OFFSETOF(SVM_VMCB, guest.u64RIP))); AssertReleaseMsg(RT_OFFSETOF(SVM_VMCB, guest.u64RSP) == 0x5D8, ("guest.u64RSP offset = %x\n", RT_OFFSETOF(SVM_VMCB, guest.u64RSP))); AssertReleaseMsg(RT_OFFSETOF(SVM_VMCB, guest.u64CR2) == 0x640, ("guest.u64CR2 offset = %x\n", RT_OFFSETOF(SVM_VMCB, guest.u64CR2))); AssertReleaseMsg(RT_OFFSETOF(SVM_VMCB, guest.u64GPAT) == 0x668, ("guest.u64GPAT offset = %x\n", RT_OFFSETOF(SVM_VMCB, guest.u64GPAT))); AssertReleaseMsg(RT_OFFSETOF(SVM_VMCB, guest.u64LASTEXCPTO) == 0x690, ("guest.u64LASTEXCPTO offset = %x\n", RT_OFFSETOF(SVM_VMCB, guest.u64LASTEXCPTO))); AssertReleaseMsg(sizeof(SVM_VMCB) == 0x1000, ("SVM_VMCB size = %x\n", sizeof(SVM_VMCB))); /* * Register the saved state data unit. */ int rc = SSMR3RegisterInternal(pVM, "HWACCM", 0, HWACCM_SSM_VERSION, sizeof(HWACCM), NULL, NULL, NULL, NULL, hwaccmR3Save, NULL, NULL, hwaccmR3Load, NULL); if (RT_FAILURE(rc)) return rc; /* Misc initialisation. */ pVM->hwaccm.s.vmx.fSupported = false; pVM->hwaccm.s.svm.fSupported = false; pVM->hwaccm.s.vmx.fEnabled = false; pVM->hwaccm.s.svm.fEnabled = false; pVM->hwaccm.s.fNestedPaging = false; pVM->hwaccm.s.fLargePages = false; /* Disabled by default. */ pVM->fHWACCMEnabled = false; /* * Check CFGM options. */ PCFGMNODE pRoot = CFGMR3GetRoot(pVM); PCFGMNODE pHWVirtExt = CFGMR3GetChild(pRoot, "HWVirtExt/"); /* Nested paging: disabled by default. */ rc = CFGMR3QueryBoolDef(pHWVirtExt, "EnableNestedPaging", &pVM->hwaccm.s.fAllowNestedPaging, false); AssertRC(rc); /* Large pages: disabled by default. */ rc = CFGMR3QueryBoolDef(pHWVirtExt, "EnableLargePages", &pVM->hwaccm.s.fLargePages, false); AssertRC(rc); /* VT-x VPID: disabled by default. */ rc = CFGMR3QueryBoolDef(pHWVirtExt, "EnableVPID", &pVM->hwaccm.s.vmx.fAllowVPID, false); AssertRC(rc); /* HWACCM support must be explicitely enabled in the configuration file. */ rc = CFGMR3QueryBoolDef(pHWVirtExt, "Enabled", &pVM->hwaccm.s.fAllowed, false); AssertRC(rc); /* TPR patching for 32 bits (Windows) guests with IO-APIC: disabled by default. */ rc = CFGMR3QueryBoolDef(pHWVirtExt, "TPRPatchingEnabled", &pVM->hwaccm.s.fTRPPatchingAllowed, false); AssertRC(rc); #ifdef RT_OS_DARWIN if (VMMIsHwVirtExtForced(pVM) != pVM->hwaccm.s.fAllowed) #else if (VMMIsHwVirtExtForced(pVM) && !pVM->hwaccm.s.fAllowed) #endif { AssertLogRelMsgFailed(("VMMIsHwVirtExtForced=%RTbool fAllowed=%RTbool\n", VMMIsHwVirtExtForced(pVM), pVM->hwaccm.s.fAllowed)); return VERR_HWACCM_CONFIG_MISMATCH; } if (VMMIsHwVirtExtForced(pVM)) pVM->fHWACCMEnabled = true; #if HC_ARCH_BITS == 32 /* 64-bit mode is configurable and it depends on both the kernel mode and VT-x. * (To use the default, don't set 64bitEnabled in CFGM.) */ rc = CFGMR3QueryBoolDef(pHWVirtExt, "64bitEnabled", &pVM->hwaccm.s.fAllow64BitGuests, false); AssertLogRelRCReturn(rc, rc); if (pVM->hwaccm.s.fAllow64BitGuests) { # ifdef RT_OS_DARWIN if (!VMMIsHwVirtExtForced(pVM)) # else if (!pVM->hwaccm.s.fAllowed) # endif return VM_SET_ERROR(pVM, VERR_INVALID_PARAMETER, "64-bit guest support was requested without also enabling HWVirtEx (VT-x/AMD-V)."); } #else /* On 64-bit hosts 64-bit guest support is enabled by default, but allow this to be overridden * via VBoxInternal/HWVirtExt/64bitEnabled=0. (ConsoleImpl2.cpp doesn't set this to false for 64-bit.) */ rc = CFGMR3QueryBoolDef(pHWVirtExt, "64bitEnabled", &pVM->hwaccm.s.fAllow64BitGuests, true); AssertLogRelRCReturn(rc, rc); #endif /** Determine the init method for AMD-V and VT-x; either one global init for each host CPU * or local init each time we wish to execute guest code. * * Default false for Mac OS X and Windows due to the higher risk of conflicts with other hypervisors. */ rc = CFGMR3QueryBoolDef(pHWVirtExt, "Exclusive", &pVM->hwaccm.s.fGlobalInit, #if defined(RT_OS_DARWIN) || defined(RT_OS_WINDOWS) false #else true #endif ); /* Max number of resume loops. */ rc = CFGMR3QueryU32Def(pHWVirtExt, "MaxResumeLoops", &pVM->hwaccm.s.cMaxResumeLoops, 0 /* set by R0 later */); AssertRC(rc); return VINF_SUCCESS; } /** * Initializes the per-VCPU HWACCM. * * @returns VBox status code. * @param pVM The VM to operate on. */ VMMR3DECL(int) HWACCMR3InitCPU(PVM pVM) { LogFlow(("HWACCMR3InitCPU\n")); for (VMCPUID i = 0; i < pVM->cCpus; i++) { PVMCPU pVCpu = &pVM->aCpus[i]; pVCpu->hwaccm.s.fActive = false; } #ifdef VBOX_WITH_STATISTICS STAM_REG(pVM, &pVM->hwaccm.s.StatTPRPatchSuccess, STAMTYPE_COUNTER, "/HWACCM/TPR/Patch/Success", STAMUNIT_OCCURENCES, "Number of times an instruction was successfully patched."); STAM_REG(pVM, &pVM->hwaccm.s.StatTPRPatchFailure, STAMTYPE_COUNTER, "/HWACCM/TPR/Patch/Failed", STAMUNIT_OCCURENCES, "Number of unsuccessful patch attempts."); STAM_REG(pVM, &pVM->hwaccm.s.StatTPRReplaceSuccess, STAMTYPE_COUNTER, "/HWACCM/TPR/Replace/Success",STAMUNIT_OCCURENCES, "Number of times an instruction was successfully patched."); STAM_REG(pVM, &pVM->hwaccm.s.StatTPRReplaceFailure, STAMTYPE_COUNTER, "/HWACCM/TPR/Replace/Failed", STAMUNIT_OCCURENCES, "Number of unsuccessful patch attempts."); /* * Statistics. */ for (VMCPUID i = 0; i < pVM->cCpus; i++) { PVMCPU pVCpu = &pVM->aCpus[i]; int rc; rc = STAMR3RegisterF(pVM, &pVCpu->hwaccm.s.StatPoke, STAMTYPE_PROFILE, STAMVISIBILITY_USED, STAMUNIT_TICKS_PER_CALL, "Profiling of RTMpPokeCpu", "/PROF/HWACCM/CPU%d/Poke", i); AssertRC(rc); rc = STAMR3RegisterF(pVM, &pVCpu->hwaccm.s.StatSpinPoke, STAMTYPE_PROFILE, STAMVISIBILITY_USED, STAMUNIT_TICKS_PER_CALL, "Profiling of poke wait", "/PROF/HWACCM/CPU%d/PokeWait", i); AssertRC(rc); rc = STAMR3RegisterF(pVM, &pVCpu->hwaccm.s.StatSpinPokeFailed, STAMTYPE_PROFILE, STAMVISIBILITY_USED, STAMUNIT_TICKS_PER_CALL, "Profiling of poke wait when RTMpPokeCpu fails", "/PROF/HWACCM/CPU%d/PokeWaitFailed", i); AssertRC(rc); rc = STAMR3RegisterF(pVM, &pVCpu->hwaccm.s.StatEntry, STAMTYPE_PROFILE, STAMVISIBILITY_USED, STAMUNIT_TICKS_PER_CALL, "Profiling of VMXR0RunGuestCode entry", "/PROF/HWACCM/CPU%d/SwitchToGC", i); AssertRC(rc); rc = STAMR3RegisterF(pVM, &pVCpu->hwaccm.s.StatExit1, STAMTYPE_PROFILE, STAMVISIBILITY_USED, STAMUNIT_TICKS_PER_CALL, "Profiling of VMXR0RunGuestCode exit part 1", "/PROF/HWACCM/CPU%d/SwitchFromGC_1", i); AssertRC(rc); rc = STAMR3RegisterF(pVM, &pVCpu->hwaccm.s.StatExit2, STAMTYPE_PROFILE, STAMVISIBILITY_USED, STAMUNIT_TICKS_PER_CALL, "Profiling of VMXR0RunGuestCode exit part 2", "/PROF/HWACCM/CPU%d/SwitchFromGC_2", i); AssertRC(rc); # if 1 /* temporary for tracking down darwin holdup. */ rc = STAMR3RegisterF(pVM, &pVCpu->hwaccm.s.StatExit2Sub1, STAMTYPE_PROFILE, STAMVISIBILITY_USED, STAMUNIT_TICKS_PER_CALL, "Temporary - I/O", "/PROF/HWACCM/CPU%d/SwitchFromGC_2/Sub1", i); AssertRC(rc); rc = STAMR3RegisterF(pVM, &pVCpu->hwaccm.s.StatExit2Sub2, STAMTYPE_PROFILE, STAMVISIBILITY_USED, STAMUNIT_TICKS_PER_CALL, "Temporary - CRx RWs", "/PROF/HWACCM/CPU%d/SwitchFromGC_2/Sub2", i); AssertRC(rc); rc = STAMR3RegisterF(pVM, &pVCpu->hwaccm.s.StatExit2Sub3, STAMTYPE_PROFILE, STAMVISIBILITY_USED, STAMUNIT_TICKS_PER_CALL, "Temporary - Exceptions", "/PROF/HWACCM/CPU%d/SwitchFromGC_2/Sub3", i); AssertRC(rc); # endif rc = STAMR3RegisterF(pVM, &pVCpu->hwaccm.s.StatInGC, STAMTYPE_PROFILE, STAMVISIBILITY_USED, STAMUNIT_TICKS_PER_CALL, "Profiling of vmlaunch", "/PROF/HWACCM/CPU%d/InGC", i); AssertRC(rc); # if HC_ARCH_BITS == 32 && defined(VBOX_ENABLE_64_BITS_GUESTS) && !defined(VBOX_WITH_HYBRID_32BIT_KERNEL) rc = STAMR3RegisterF(pVM, &pVCpu->hwaccm.s.StatWorldSwitch3264, STAMTYPE_PROFILE, STAMVISIBILITY_USED, STAMUNIT_TICKS_PER_CALL, "Profiling of the 32/64 switcher", "/PROF/HWACCM/CPU%d/Switcher3264", i); AssertRC(rc); # endif # define HWACCM_REG_COUNTER(a, b) \ rc = STAMR3RegisterF(pVM, a, STAMTYPE_COUNTER, STAMVISIBILITY_ALWAYS, STAMUNIT_OCCURENCES, "Profiling of vmlaunch", b, i); \ AssertRC(rc); HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatExitShadowNM, "/HWACCM/CPU%d/Exit/Trap/Shw/#NM"); HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatExitGuestNM, "/HWACCM/CPU%d/Exit/Trap/Gst/#NM"); HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatExitShadowPF, "/HWACCM/CPU%d/Exit/Trap/Shw/#PF"); HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatExitGuestPF, "/HWACCM/CPU%d/Exit/Trap/Gst/#PF"); HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatExitGuestUD, "/HWACCM/CPU%d/Exit/Trap/Gst/#UD"); HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatExitGuestSS, "/HWACCM/CPU%d/Exit/Trap/Gst/#SS"); HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatExitGuestNP, "/HWACCM/CPU%d/Exit/Trap/Gst/#NP"); HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatExitGuestGP, "/HWACCM/CPU%d/Exit/Trap/Gst/#GP"); HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatExitGuestMF, "/HWACCM/CPU%d/Exit/Trap/Gst/#MF"); HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatExitGuestDE, "/HWACCM/CPU%d/Exit/Trap/Gst/#DE"); HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatExitGuestDB, "/HWACCM/CPU%d/Exit/Trap/Gst/#DB"); HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatExitInvpg, "/HWACCM/CPU%d/Exit/Instr/Invlpg"); HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatExitInvd, "/HWACCM/CPU%d/Exit/Instr/Invd"); HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatExitCpuid, "/HWACCM/CPU%d/Exit/Instr/Cpuid"); HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatExitRdtsc, "/HWACCM/CPU%d/Exit/Instr/Rdtsc"); HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatExitRdpmc, "/HWACCM/CPU%d/Exit/Instr/Rdpmc"); HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatExitRdmsr, "/HWACCM/CPU%d/Exit/Instr/Rdmsr"); HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatExitWrmsr, "/HWACCM/CPU%d/Exit/Instr/Wrmsr"); HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatExitMwait, "/HWACCM/CPU%d/Exit/Instr/Mwait"); HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatExitMonitor, "/HWACCM/CPU%d/Exit/Instr/Monitor"); HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatExitDRxWrite, "/HWACCM/CPU%d/Exit/Instr/DR/Write"); HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatExitDRxRead, "/HWACCM/CPU%d/Exit/Instr/DR/Read"); HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatExitCLTS, "/HWACCM/CPU%d/Exit/Instr/CLTS"); HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatExitLMSW, "/HWACCM/CPU%d/Exit/Instr/LMSW"); HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatExitCli, "/HWACCM/CPU%d/Exit/Instr/Cli"); HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatExitSti, "/HWACCM/CPU%d/Exit/Instr/Sti"); HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatExitPushf, "/HWACCM/CPU%d/Exit/Instr/Pushf"); HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatExitPopf, "/HWACCM/CPU%d/Exit/Instr/Popf"); HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatExitIret, "/HWACCM/CPU%d/Exit/Instr/Iret"); HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatExitInt, "/HWACCM/CPU%d/Exit/Instr/Int"); HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatExitHlt, "/HWACCM/CPU%d/Exit/Instr/Hlt"); HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatExitIOWrite, "/HWACCM/CPU%d/Exit/IO/Write"); HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatExitIORead, "/HWACCM/CPU%d/Exit/IO/Read"); HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatExitIOStringWrite, "/HWACCM/CPU%d/Exit/IO/WriteString"); HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatExitIOStringRead, "/HWACCM/CPU%d/Exit/IO/ReadString"); HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatExitIrqWindow, "/HWACCM/CPU%d/Exit/IrqWindow"); HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatExitMaxResume, "/HWACCM/CPU%d/Exit/MaxResume"); HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatExitPreemptPending, "/HWACCM/CPU%d/Exit/PreemptPending"); HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatSwitchGuestIrq, "/HWACCM/CPU%d/Switch/IrqPending"); HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatSwitchToR3, "/HWACCM/CPU%d/Switch/ToR3"); HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatIntInject, "/HWACCM/CPU%d/Irq/Inject"); HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatIntReinject, "/HWACCM/CPU%d/Irq/Reinject"); HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatPendingHostIrq, "/HWACCM/CPU%d/Irq/PendingOnHost"); HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatFlushPage, "/HWACCM/CPU%d/Flush/Page"); HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatFlushPageManual, "/HWACCM/CPU%d/Flush/Page/Virt"); HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatFlushPhysPageManual, "/HWACCM/CPU%d/Flush/Page/Phys"); HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatFlushTLB, "/HWACCM/CPU%d/Flush/TLB"); HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatFlushTLBManual, "/HWACCM/CPU%d/Flush/TLB/Manual"); HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatFlushTLBCRxChange, "/HWACCM/CPU%d/Flush/TLB/CRx"); HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatFlushPageInvlpg, "/HWACCM/CPU%d/Flush/Page/Invlpg"); HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatFlushTLBWorldSwitch, "/HWACCM/CPU%d/Flush/TLB/Switch"); HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatNoFlushTLBWorldSwitch, "/HWACCM/CPU%d/Flush/TLB/Skipped"); HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatFlushASID, "/HWACCM/CPU%d/Flush/TLB/ASID"); HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatFlushTLBInvlpga, "/HWACCM/CPU%d/Flush/TLB/PhysInvl"); HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatTlbShootdown, "/HWACCM/CPU%d/Flush/Shootdown/Page"); HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatTlbShootdownFlush, "/HWACCM/CPU%d/Flush/Shootdown/TLB"); HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatTSCOffset, "/HWACCM/CPU%d/TSC/Offset"); HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatTSCIntercept, "/HWACCM/CPU%d/TSC/Intercept"); HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatTSCInterceptOverFlow, "/HWACCM/CPU%d/TSC/InterceptOverflow"); HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatDRxArmed, "/HWACCM/CPU%d/Debug/Armed"); HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatDRxContextSwitch, "/HWACCM/CPU%d/Debug/ContextSwitch"); HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatDRxIOCheck, "/HWACCM/CPU%d/Debug/IOCheck"); HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatLoadMinimal, "/HWACCM/CPU%d/Load/Minimal"); HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatLoadFull, "/HWACCM/CPU%d/Load/Full"); #if HC_ARCH_BITS == 32 && defined(VBOX_ENABLE_64_BITS_GUESTS) && !defined(VBOX_WITH_HYBRID_32BIT_KERNEL) HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatFpu64SwitchBack, "/HWACCM/CPU%d/Switch64/Fpu"); HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatDebug64SwitchBack, "/HWACCM/CPU%d/Switch64/Debug"); #endif for (unsigned j=0;jhwaccm.s.StatExitCRxWrite);j++) { rc = STAMR3RegisterF(pVM, &pVCpu->hwaccm.s.StatExitCRxWrite[j], STAMTYPE_COUNTER, STAMVISIBILITY_USED, STAMUNIT_OCCURENCES, "Profiling of CRx writes", "/HWACCM/CPU%d/Exit/Instr/CR/Write/%x", i, j); AssertRC(rc); rc = STAMR3RegisterF(pVM, &pVCpu->hwaccm.s.StatExitCRxRead[j], STAMTYPE_COUNTER, STAMVISIBILITY_USED, STAMUNIT_OCCURENCES, "Profiling of CRx reads", "/HWACCM/CPU%d/Exit/Instr/CR/Read/%x", i, j); AssertRC(rc); } #undef HWACCM_REG_COUNTER pVCpu->hwaccm.s.paStatExitReason = NULL; rc = MMHyperAlloc(pVM, MAX_EXITREASON_STAT*sizeof(*pVCpu->hwaccm.s.paStatExitReason), 0, MM_TAG_HWACCM, (void **)&pVCpu->hwaccm.s.paStatExitReason); AssertRC(rc); if (RT_SUCCESS(rc)) { const char * const *papszDesc = ASMIsIntelCpu() ? &g_apszVTxExitReasons[0] : &g_apszAmdVExitReasons[0]; for (int j=0;jhwaccm.s.paStatExitReason[j], STAMTYPE_COUNTER, STAMVISIBILITY_USED, STAMUNIT_OCCURENCES, papszDesc[j], "/HWACCM/CPU%d/Exit/Reason/%02x", i, j); AssertRC(rc); } } rc = STAMR3RegisterF(pVM, &pVCpu->hwaccm.s.StatExitReasonNPF, STAMTYPE_COUNTER, STAMVISIBILITY_USED, STAMUNIT_OCCURENCES, "Nested page fault", "/HWACCM/CPU%d/Exit/Reason/#NPF", i); AssertRC(rc); } pVCpu->hwaccm.s.paStatExitReasonR0 = MMHyperR3ToR0(pVM, pVCpu->hwaccm.s.paStatExitReason); # ifdef VBOX_WITH_2X_4GB_ADDR_SPACE Assert(pVCpu->hwaccm.s.paStatExitReasonR0 != NIL_RTR0PTR || !VMMIsHwVirtExtForced(pVM)); # else Assert(pVCpu->hwaccm.s.paStatExitReasonR0 != NIL_RTR0PTR); # endif rc = MMHyperAlloc(pVM, sizeof(STAMCOUNTER) * 256, 8, MM_TAG_HWACCM, (void **)&pVCpu->hwaccm.s.paStatInjectedIrqs); AssertRCReturn(rc, rc); pVCpu->hwaccm.s.paStatInjectedIrqsR0 = MMHyperR3ToR0(pVM, pVCpu->hwaccm.s.paStatInjectedIrqs); # ifdef VBOX_WITH_2X_4GB_ADDR_SPACE Assert(pVCpu->hwaccm.s.paStatInjectedIrqsR0 != NIL_RTR0PTR || !VMMIsHwVirtExtForced(pVM)); # else Assert(pVCpu->hwaccm.s.paStatInjectedIrqsR0 != NIL_RTR0PTR); # endif for (unsigned j = 0; j < 255; j++) STAMR3RegisterF(pVM, &pVCpu->hwaccm.s.paStatInjectedIrqs[j], STAMTYPE_COUNTER, STAMVISIBILITY_USED, STAMUNIT_OCCURENCES, "Forwarded interrupts.", (j < 0x20) ? "/HWACCM/CPU%d/Interrupt/Trap/%02X" : "/HWACCM/CPU%d/Interrupt/IRQ/%02X", i, j); } #endif /* VBOX_WITH_STATISTICS */ #ifdef VBOX_WITH_CRASHDUMP_MAGIC /* Magic marker for searching in crash dumps. */ for (VMCPUID i = 0; i < pVM->cCpus; i++) { PVMCPU pVCpu = &pVM->aCpus[i]; PVMCSCACHE pCache = &pVCpu->hwaccm.s.vmx.VMCSCache; strcpy((char *)pCache->aMagic, "VMCSCACHE Magic"); pCache->uMagic = UINT64_C(0xDEADBEEFDEADBEEF); } #endif return VINF_SUCCESS; } /** * Turns off normal raw mode features * * @param pVM The VM to operate on. */ static void hwaccmR3DisableRawMode(PVM pVM) { /* Disable PATM & CSAM. */ PATMR3AllowPatching(pVM, false); CSAMDisableScanning(pVM); /* Turn off IDT/LDT/GDT and TSS monitoring and sycing. */ SELMR3DisableMonitoring(pVM); TRPMR3DisableMonitoring(pVM); /* Disable the switcher code (safety precaution). */ VMMR3DisableSwitcher(pVM); /* Disable mapping of the hypervisor into the shadow page table. */ PGMR3MappingsDisable(pVM); /* Disable the switcher */ VMMR3DisableSwitcher(pVM); /* Reinit the paging mode to force the new shadow mode. */ for (VMCPUID i = 0; i < pVM->cCpus; i++) { PVMCPU pVCpu = &pVM->aCpus[i]; PGMR3ChangeMode(pVM, pVCpu, PGMMODE_REAL); } } /** * Initialize VT-x or AMD-V. * * @returns VBox status code. * @param pVM The VM handle. */ VMMR3DECL(int) HWACCMR3InitFinalizeR0(PVM pVM) { int rc; /* Hack to allow users to work around broken BIOSes that incorrectly set EFER.SVME, which makes us believe somebody else * is already using AMD-V. */ if ( !pVM->hwaccm.s.vmx.fSupported && !pVM->hwaccm.s.svm.fSupported && pVM->hwaccm.s.lLastError == VERR_SVM_IN_USE /* implies functional AMD-V */ && RTEnvExist("VBOX_HWVIRTEX_IGNORE_SVM_IN_USE")) { LogRel(("HWACCM: VBOX_HWVIRTEX_IGNORE_SVM_IN_USE active!\n")); pVM->hwaccm.s.svm.fSupported = true; pVM->hwaccm.s.svm.fIgnoreInUseError = true; } else if ( !pVM->hwaccm.s.vmx.fSupported && !pVM->hwaccm.s.svm.fSupported) { LogRel(("HWACCM: No VT-x or AMD-V CPU extension found. Reason %Rrc\n", pVM->hwaccm.s.lLastError)); LogRel(("HWACCM: VMX MSR_IA32_FEATURE_CONTROL=%RX64\n", pVM->hwaccm.s.vmx.msr.feature_ctrl)); if (VMMIsHwVirtExtForced(pVM)) { switch (pVM->hwaccm.s.lLastError) { case VERR_VMX_NO_VMX: return VM_SET_ERROR(pVM, VERR_VMX_NO_VMX, "VT-x is not available."); case VERR_VMX_IN_VMX_ROOT_MODE: return VM_SET_ERROR(pVM, VERR_VMX_IN_VMX_ROOT_MODE, "VT-x is being used by another hypervisor."); case VERR_SVM_IN_USE: return VM_SET_ERROR(pVM, VERR_SVM_IN_USE, "AMD-V is being used by another hypervisor."); case VERR_SVM_NO_SVM: return VM_SET_ERROR(pVM, VERR_SVM_NO_SVM, "AMD-V is not available."); case VERR_SVM_DISABLED: return VM_SET_ERROR(pVM, VERR_SVM_DISABLED, "AMD-V is disabled in the BIOS."); default: return pVM->hwaccm.s.lLastError; } } return VINF_SUCCESS; } if (pVM->hwaccm.s.vmx.fSupported) { rc = SUPR3QueryVTxSupported(); if (RT_FAILURE(rc)) { #ifdef RT_OS_LINUX LogRel(("HWACCM: The host kernel does not support VT-x -- Linux 2.6.13 or newer required!\n")); #else LogRel(("HWACCM: The host kernel does not support VT-x!\n")); #endif if ( pVM->cCpus > 1 || VMMIsHwVirtExtForced(pVM)) return rc; /* silently fall back to raw mode */ return VINF_SUCCESS; } } if (!pVM->hwaccm.s.fAllowed) return VINF_SUCCESS; /* nothing to do */ /* Enable VT-x or AMD-V on all host CPUs. */ rc = SUPR3CallVMMR0Ex(pVM->pVMR0, 0 /*idCpu*/, VMMR0_DO_HWACC_ENABLE, 0, NULL); if (RT_FAILURE(rc)) { LogRel(("HWACCMR3InitFinalize: SUPR3CallVMMR0Ex VMMR0_DO_HWACC_ENABLE failed with %Rrc\n", rc)); return rc; } Assert(!pVM->fHWACCMEnabled || VMMIsHwVirtExtForced(pVM)); pVM->hwaccm.s.fHasIoApic = PDMHasIoApic(pVM); /* No TPR patching is required when the IO-APIC is not enabled for this VM. (Main should have taken care of this already) */ if (!pVM->hwaccm.s.fHasIoApic) { Assert(!pVM->hwaccm.s.fTRPPatchingAllowed); /* paranoia */ pVM->hwaccm.s.fTRPPatchingAllowed = false; } bool fOldBuffered = RTLogRelSetBuffering(true /*fBuffered*/); if (pVM->hwaccm.s.vmx.fSupported) { Log(("pVM->hwaccm.s.vmx.fSupported = %d\n", pVM->hwaccm.s.vmx.fSupported)); if ( pVM->hwaccm.s.fInitialized == false && pVM->hwaccm.s.vmx.msr.feature_ctrl != 0) { uint64_t val; RTGCPHYS GCPhys = 0; LogRel(("HWACCM: Host CR4=%08X\n", pVM->hwaccm.s.vmx.hostCR4)); LogRel(("HWACCM: MSR_IA32_FEATURE_CONTROL = %RX64\n", pVM->hwaccm.s.vmx.msr.feature_ctrl)); LogRel(("HWACCM: MSR_IA32_VMX_BASIC_INFO = %RX64\n", pVM->hwaccm.s.vmx.msr.vmx_basic_info)); LogRel(("HWACCM: VMCS id = %x\n", MSR_IA32_VMX_BASIC_INFO_VMCS_ID(pVM->hwaccm.s.vmx.msr.vmx_basic_info))); LogRel(("HWACCM: VMCS size = %x\n", MSR_IA32_VMX_BASIC_INFO_VMCS_SIZE(pVM->hwaccm.s.vmx.msr.vmx_basic_info))); LogRel(("HWACCM: VMCS physical address limit = %s\n", MSR_IA32_VMX_BASIC_INFO_VMCS_PHYS_WIDTH(pVM->hwaccm.s.vmx.msr.vmx_basic_info) ? "< 4 GB" : "None")); LogRel(("HWACCM: VMCS memory type = %x\n", MSR_IA32_VMX_BASIC_INFO_VMCS_MEM_TYPE(pVM->hwaccm.s.vmx.msr.vmx_basic_info))); LogRel(("HWACCM: Dual monitor treatment = %d\n", MSR_IA32_VMX_BASIC_INFO_VMCS_DUAL_MON(pVM->hwaccm.s.vmx.msr.vmx_basic_info))); LogRel(("HWACCM: MSR_IA32_VMX_PINBASED_CTLS = %RX64\n", pVM->hwaccm.s.vmx.msr.vmx_pin_ctls.u)); val = pVM->hwaccm.s.vmx.msr.vmx_pin_ctls.n.allowed1; if (val & VMX_VMCS_CTRL_PIN_EXEC_CONTROLS_EXT_INT_EXIT) LogRel(("HWACCM: VMX_VMCS_CTRL_PIN_EXEC_CONTROLS_EXT_INT_EXIT\n")); if (val & VMX_VMCS_CTRL_PIN_EXEC_CONTROLS_NMI_EXIT) LogRel(("HWACCM: VMX_VMCS_CTRL_PIN_EXEC_CONTROLS_NMI_EXIT\n")); if (val & VMX_VMCS_CTRL_PIN_EXEC_CONTROLS_VIRTUAL_NMI) LogRel(("HWACCM: VMX_VMCS_CTRL_PIN_EXEC_CONTROLS_VIRTUAL_NMI\n")); if (val & VMX_VMCS_CTRL_PIN_EXEC_CONTROLS_PREEMPT_TIMER) LogRel(("HWACCM: VMX_VMCS_CTRL_PIN_EXEC_CONTROLS_PREEMPT_TIMER\n")); val = pVM->hwaccm.s.vmx.msr.vmx_pin_ctls.n.disallowed0; if (val & VMX_VMCS_CTRL_PIN_EXEC_CONTROLS_EXT_INT_EXIT) LogRel(("HWACCM: VMX_VMCS_CTRL_PIN_EXEC_CONTROLS_EXT_INT_EXIT *must* be set\n")); if (val & VMX_VMCS_CTRL_PIN_EXEC_CONTROLS_NMI_EXIT) LogRel(("HWACCM: VMX_VMCS_CTRL_PIN_EXEC_CONTROLS_NMI_EXIT *must* be set\n")); if (val & VMX_VMCS_CTRL_PIN_EXEC_CONTROLS_VIRTUAL_NMI) LogRel(("HWACCM: VMX_VMCS_CTRL_PIN_EXEC_CONTROLS_VIRTUAL_NMI *must* be set\n")); if (val & VMX_VMCS_CTRL_PIN_EXEC_CONTROLS_PREEMPT_TIMER) LogRel(("HWACCM: VMX_VMCS_CTRL_PIN_EXEC_CONTROLS_PREEMPT_TIMER *must* be set\n")); LogRel(("HWACCM: MSR_IA32_VMX_PROCBASED_CTLS = %RX64\n", pVM->hwaccm.s.vmx.msr.vmx_proc_ctls.u)); val = pVM->hwaccm.s.vmx.msr.vmx_proc_ctls.n.allowed1; if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_IRQ_WINDOW_EXIT) LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_IRQ_WINDOW_EXIT\n")); if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_TSC_OFFSET) LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_TSC_OFFSET\n")); if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_HLT_EXIT) LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_HLT_EXIT\n")); if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_INVLPG_EXIT) LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_INVLPG_EXIT\n")); if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_MWAIT_EXIT) LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_MWAIT_EXIT\n")); if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_RDPMC_EXIT) LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_RDPMC_EXIT\n")); if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_RDTSC_EXIT) LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_RDTSC_EXIT\n")); if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_CR3_LOAD_EXIT) LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_CR3_LOAD_EXIT\n")); if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_CR3_STORE_EXIT) LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_CR3_STORE_EXIT\n")); if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_CR8_LOAD_EXIT) LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_CR8_LOAD_EXIT\n")); if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_CR8_STORE_EXIT) LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_CR8_STORE_EXIT\n")); if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_USE_TPR_SHADOW) LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_USE_TPR_SHADOW\n")); if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_NMI_WINDOW_EXIT) LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_NMI_WINDOW_EXIT\n")); if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_MOV_DR_EXIT) LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_MOV_DR_EXIT\n")); if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_UNCOND_IO_EXIT) LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_UNCOND_IO_EXIT\n")); if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_USE_IO_BITMAPS) LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_USE_IO_BITMAPS\n")); if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_MONITOR_TRAP_FLAG) LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_MONITOR_TRAP_FLAG\n")); if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_USE_MSR_BITMAPS) LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_USE_MSR_BITMAPS\n")); if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_MONITOR_EXIT) LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_MONITOR_EXIT\n")); if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_PAUSE_EXIT) LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_PAUSE_EXIT\n")); if (val & VMX_VMCS_CTRL_PROC_EXEC_USE_SECONDARY_EXEC_CTRL) LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_USE_SECONDARY_EXEC_CTRL\n")); val = pVM->hwaccm.s.vmx.msr.vmx_proc_ctls.n.disallowed0; if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_IRQ_WINDOW_EXIT) LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_IRQ_WINDOW_EXIT *must* be set\n")); if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_TSC_OFFSET) LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_TSC_OFFSET *must* be set\n")); if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_HLT_EXIT) LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_HLT_EXIT *must* be set\n")); if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_INVLPG_EXIT) LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_INVLPG_EXIT *must* be set\n")); if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_MWAIT_EXIT) LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_MWAIT_EXIT *must* be set\n")); if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_RDPMC_EXIT) LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_RDPMC_EXIT *must* be set\n")); if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_RDTSC_EXIT) LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_RDTSC_EXIT *must* be set\n")); if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_CR3_LOAD_EXIT) LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_CR3_LOAD_EXIT *must* be set\n")); if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_CR3_STORE_EXIT) LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_CR3_STORE_EXIT *must* be set\n")); if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_CR8_LOAD_EXIT) LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_CR8_LOAD_EXIT *must* be set\n")); if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_CR8_STORE_EXIT) LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_CR8_STORE_EXIT *must* be set\n")); if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_USE_TPR_SHADOW) LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_USE_TPR_SHADOW *must* be set\n")); if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_NMI_WINDOW_EXIT) LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_NMI_WINDOW_EXIT *must* be set\n")); if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_MOV_DR_EXIT) LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_MOV_DR_EXIT *must* be set\n")); if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_UNCOND_IO_EXIT) LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_UNCOND_IO_EXIT *must* be set\n")); if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_USE_IO_BITMAPS) LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_USE_IO_BITMAPS *must* be set\n")); if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_MONITOR_TRAP_FLAG) LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_MONITOR_TRAP_FLAG *must* be set\n")); if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_USE_MSR_BITMAPS) LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_USE_MSR_BITMAPS *must* be set\n")); if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_MONITOR_EXIT) LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_MONITOR_EXIT *must* be set\n")); if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_PAUSE_EXIT) LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_PAUSE_EXIT *must* be set\n")); if (val & VMX_VMCS_CTRL_PROC_EXEC_USE_SECONDARY_EXEC_CTRL) LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_USE_SECONDARY_EXEC_CTRL *must* be set\n")); if (pVM->hwaccm.s.vmx.msr.vmx_proc_ctls.n.allowed1 & VMX_VMCS_CTRL_PROC_EXEC_USE_SECONDARY_EXEC_CTRL) { LogRel(("HWACCM: MSR_IA32_VMX_PROCBASED_CTLS2 = %RX64\n", pVM->hwaccm.s.vmx.msr.vmx_proc_ctls2.u)); val = pVM->hwaccm.s.vmx.msr.vmx_proc_ctls2.n.allowed1; if (val & VMX_VMCS_CTRL_PROC_EXEC2_VIRT_APIC) LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC2_VIRT_APIC\n")); if (val & VMX_VMCS_CTRL_PROC_EXEC2_EPT) LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC2_EPT\n")); if (val & VMX_VMCS_CTRL_PROC_EXEC2_DESCRIPTOR_INSTR_EXIT) LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC2_DESCRIPTOR_INSTR_EXIT\n")); if (val & VMX_VMCS_CTRL_PROC_EXEC2_RDTSCP_EXIT) LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC2_RDTSCP_EXIT\n")); if (val & VMX_VMCS_CTRL_PROC_EXEC2_X2APIC) LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC2_X2APIC\n")); if (val & VMX_VMCS_CTRL_PROC_EXEC2_VPID) LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC2_VPID\n")); if (val & VMX_VMCS_CTRL_PROC_EXEC2_WBINVD_EXIT) LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC2_WBINVD_EXIT\n")); if (val & VMX_VMCS_CTRL_PROC_EXEC2_REAL_MODE) LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC2_REAL_MODE\n")); if (val & VMX_VMCS_CTRL_PROC_EXEC2_PAUSE_LOOP_EXIT) LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC2_PAUSE_LOOP_EXIT\n")); val = pVM->hwaccm.s.vmx.msr.vmx_proc_ctls2.n.disallowed0; if (val & VMX_VMCS_CTRL_PROC_EXEC2_VIRT_APIC) LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC2_VIRT_APIC *must* be set\n")); if (val & VMX_VMCS_CTRL_PROC_EXEC2_DESCRIPTOR_INSTR_EXIT) LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC2_DESCRIPTOR_INSTR_EXIT *must* be set\n")); if (val & VMX_VMCS_CTRL_PROC_EXEC2_RDTSCP_EXIT) LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC2_RDTSCP_EXIT *must* be set\n")); if (val & VMX_VMCS_CTRL_PROC_EXEC2_X2APIC) LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC2_X2APIC *must* be set\n")); if (val & VMX_VMCS_CTRL_PROC_EXEC2_EPT) LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC2_EPT *must* be set\n")); if (val & VMX_VMCS_CTRL_PROC_EXEC2_VPID) LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC2_VPID *must* be set\n")); if (val & VMX_VMCS_CTRL_PROC_EXEC2_WBINVD_EXIT) LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC2_WBINVD_EXIT *must* be set\n")); if (val & VMX_VMCS_CTRL_PROC_EXEC2_REAL_MODE) LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC2_REAL_MODE *must* be set\n")); if (val & VMX_VMCS_CTRL_PROC_EXEC2_PAUSE_LOOP_EXIT) LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC2_PAUSE_LOOP_EXIT *must* be set\n")); } LogRel(("HWACCM: MSR_IA32_VMX_ENTRY_CTLS = %RX64\n", pVM->hwaccm.s.vmx.msr.vmx_entry.u)); val = pVM->hwaccm.s.vmx.msr.vmx_entry.n.allowed1; if (val & VMX_VMCS_CTRL_ENTRY_CONTROLS_LOAD_DEBUG) LogRel(("HWACCM: VMX_VMCS_CTRL_ENTRY_CONTROLS_LOAD_DEBUG\n")); if (val & VMX_VMCS_CTRL_ENTRY_CONTROLS_IA64_MODE) LogRel(("HWACCM: VMX_VMCS_CTRL_ENTRY_CONTROLS_IA64_MODE\n")); if (val & VMX_VMCS_CTRL_ENTRY_CONTROLS_ENTRY_SMM) LogRel(("HWACCM: VMX_VMCS_CTRL_ENTRY_CONTROLS_ENTRY_SMM\n")); if (val & VMX_VMCS_CTRL_ENTRY_CONTROLS_DEACTIVATE_DUALMON) LogRel(("HWACCM: VMX_VMCS_CTRL_ENTRY_CONTROLS_DEACTIVATE_DUALMON\n")); if (val & VMX_VMCS_CTRL_ENTRY_CONTROLS_LOAD_GUEST_PERF_MSR) LogRel(("HWACCM: VMX_VMCS_CTRL_ENTRY_CONTROLS_LOAD_GUEST_PERF_MSR\n")); if (val & VMX_VMCS_CTRL_ENTRY_CONTROLS_LOAD_GUEST_PAT_MSR) LogRel(("HWACCM: VMX_VMCS_CTRL_ENTRY_CONTROLS_LOAD_GUEST_PAT_MSR\n")); if (val & VMX_VMCS_CTRL_ENTRY_CONTROLS_LOAD_GUEST_EFER_MSR) LogRel(("HWACCM: VMX_VMCS_CTRL_ENTRY_CONTROLS_LOAD_GUEST_EFER_MSR\n")); val = pVM->hwaccm.s.vmx.msr.vmx_entry.n.disallowed0; if (val & VMX_VMCS_CTRL_ENTRY_CONTROLS_LOAD_DEBUG) LogRel(("HWACCM: VMX_VMCS_CTRL_ENTRY_CONTROLS_LOAD_DEBUG *must* be set\n")); if (val & VMX_VMCS_CTRL_ENTRY_CONTROLS_IA64_MODE) LogRel(("HWACCM: VMX_VMCS_CTRL_ENTRY_CONTROLS_IA64_MODE *must* be set\n")); if (val & VMX_VMCS_CTRL_ENTRY_CONTROLS_ENTRY_SMM) LogRel(("HWACCM: VMX_VMCS_CTRL_ENTRY_CONTROLS_ENTRY_SMM *must* be set\n")); if (val & VMX_VMCS_CTRL_ENTRY_CONTROLS_DEACTIVATE_DUALMON) LogRel(("HWACCM: VMX_VMCS_CTRL_ENTRY_CONTROLS_DEACTIVATE_DUALMON *must* be set\n")); if (val & VMX_VMCS_CTRL_ENTRY_CONTROLS_LOAD_GUEST_PERF_MSR) LogRel(("HWACCM: VMX_VMCS_CTRL_ENTRY_CONTROLS_LOAD_GUEST_PERF_MSR *must* be set\n")); if (val & VMX_VMCS_CTRL_ENTRY_CONTROLS_LOAD_GUEST_PAT_MSR) LogRel(("HWACCM: VMX_VMCS_CTRL_ENTRY_CONTROLS_LOAD_GUEST_PAT_MSR *must* be set\n")); if (val & VMX_VMCS_CTRL_ENTRY_CONTROLS_LOAD_GUEST_EFER_MSR) LogRel(("HWACCM: VMX_VMCS_CTRL_ENTRY_CONTROLS_LOAD_GUEST_EFER_MSR *must* be set\n")); LogRel(("HWACCM: MSR_IA32_VMX_EXIT_CTLS = %RX64\n", pVM->hwaccm.s.vmx.msr.vmx_exit.u)); val = pVM->hwaccm.s.vmx.msr.vmx_exit.n.allowed1; if (val & VMX_VMCS_CTRL_EXIT_CONTROLS_SAVE_DEBUG) LogRel(("HWACCM: VMX_VMCS_CTRL_EXIT_CONTROLS_SAVE_DEBUG\n")); if (val & VMX_VMCS_CTRL_EXIT_CONTROLS_HOST_AMD64) LogRel(("HWACCM: VMX_VMCS_CTRL_EXIT_CONTROLS_HOST_AMD64\n")); if (val & VMX_VMCS_CTRL_EXIT_CONTROLS_ACK_EXTERNAL_IRQ) LogRel(("HWACCM: VMX_VMCS_CTRL_EXIT_CONTROLS_ACK_EXTERNAL_IRQ\n")); if (val & VMX_VMCS_CTRL_EXIT_CONTROLS_SAVE_GUEST_PAT_MSR) LogRel(("HWACCM: VMX_VMCS_CTRL_EXIT_CONTROLS_SAVE_GUEST_PAT_MSR\n")); if (val & VMX_VMCS_CTRL_EXIT_CONTROLS_LOAD_HOST_PAT_MSR) LogRel(("HWACCM: VMX_VMCS_CTRL_EXIT_CONTROLS_LOAD_HOST_PAT_MSR\n")); if (val & VMX_VMCS_CTRL_EXIT_CONTROLS_SAVE_GUEST_EFER_MSR) LogRel(("HWACCM: VMX_VMCS_CTRL_EXIT_CONTROLS_SAVE_GUEST_EFER_MSR\n")); if (val & VMX_VMCS_CTRL_EXIT_CONTROLS_LOAD_HOST_EFER_MSR) LogRel(("HWACCM: VMX_VMCS_CTRL_EXIT_CONTROLS_LOAD_HOST_EFER_MSR\n")); if (val & VMX_VMCS_CTRL_EXIT_CONTROLS_SAVE_VMX_PREEMPT_TIMER) LogRel(("HWACCM: VMX_VMCS_CTRL_EXIT_CONTROLS_SAVE_VMX_PREEMPT_TIMER\n")); val = pVM->hwaccm.s.vmx.msr.vmx_exit.n.disallowed0; if (val & VMX_VMCS_CTRL_EXIT_CONTROLS_SAVE_DEBUG) LogRel(("HWACCM: VMX_VMCS_CTRL_EXIT_CONTROLS_SAVE_DEBUG *must* be set\n")); if (val & VMX_VMCS_CTRL_EXIT_CONTROLS_HOST_AMD64) LogRel(("HWACCM: VMX_VMCS_CTRL_EXIT_CONTROLS_HOST_AMD64 *must* be set\n")); if (val & VMX_VMCS_CTRL_EXIT_CONTROLS_ACK_EXTERNAL_IRQ) LogRel(("HWACCM: VMX_VMCS_CTRL_EXIT_CONTROLS_ACK_EXTERNAL_IRQ *must* be set\n")); if (val & VMX_VMCS_CTRL_EXIT_CONTROLS_SAVE_GUEST_PAT_MSR) LogRel(("HWACCM: VMX_VMCS_CTRL_EXIT_CONTROLS_SAVE_GUEST_PAT_MSR *must* be set\n")); if (val & VMX_VMCS_CTRL_EXIT_CONTROLS_LOAD_HOST_PAT_MSR) LogRel(("HWACCM: VMX_VMCS_CTRL_EXIT_CONTROLS_LOAD_HOST_PAT_MSR *must* be set\n")); if (val & VMX_VMCS_CTRL_EXIT_CONTROLS_SAVE_GUEST_EFER_MSR) LogRel(("HWACCM: VMX_VMCS_CTRL_EXIT_CONTROLS_SAVE_GUEST_EFER_MSR *must* be set\n")); if (val & VMX_VMCS_CTRL_EXIT_CONTROLS_LOAD_HOST_EFER_MSR) LogRel(("HWACCM: VMX_VMCS_CTRL_EXIT_CONTROLS_LOAD_HOST_EFER_MSR *must* be set\n")); if (val & VMX_VMCS_CTRL_EXIT_CONTROLS_SAVE_VMX_PREEMPT_TIMER) LogRel(("HWACCM: VMX_VMCS_CTRL_EXIT_CONTROLS_SAVE_VMX_PREEMPT_TIMER *must* be set\n")); if (pVM->hwaccm.s.vmx.msr.vmx_eptcaps) { LogRel(("HWACCM: MSR_IA32_VMX_EPT_VPID_CAPS = %RX64\n", pVM->hwaccm.s.vmx.msr.vmx_eptcaps)); if (pVM->hwaccm.s.vmx.msr.vmx_eptcaps & MSR_IA32_VMX_EPT_CAPS_RWX_X_ONLY) LogRel(("HWACCM: MSR_IA32_VMX_EPT_CAPS_RWX_X_ONLY\n")); if (pVM->hwaccm.s.vmx.msr.vmx_eptcaps & MSR_IA32_VMX_EPT_CAPS_RWX_W_ONLY) LogRel(("HWACCM: MSR_IA32_VMX_EPT_CAPS_RWX_W_ONLY\n")); if (pVM->hwaccm.s.vmx.msr.vmx_eptcaps & MSR_IA32_VMX_EPT_CAPS_RWX_WX_ONLY) LogRel(("HWACCM: MSR_IA32_VMX_EPT_CAPS_RWX_WX_ONLY\n")); if (pVM->hwaccm.s.vmx.msr.vmx_eptcaps & MSR_IA32_VMX_EPT_CAPS_GAW_21_BITS) LogRel(("HWACCM: MSR_IA32_VMX_EPT_CAPS_GAW_21_BITS\n")); if (pVM->hwaccm.s.vmx.msr.vmx_eptcaps & MSR_IA32_VMX_EPT_CAPS_GAW_30_BITS) LogRel(("HWACCM: MSR_IA32_VMX_EPT_CAPS_GAW_30_BITS\n")); if (pVM->hwaccm.s.vmx.msr.vmx_eptcaps & MSR_IA32_VMX_EPT_CAPS_GAW_39_BITS) LogRel(("HWACCM: MSR_IA32_VMX_EPT_CAPS_GAW_39_BITS\n")); if (pVM->hwaccm.s.vmx.msr.vmx_eptcaps & MSR_IA32_VMX_EPT_CAPS_GAW_48_BITS) LogRel(("HWACCM: MSR_IA32_VMX_EPT_CAPS_GAW_48_BITS\n")); if (pVM->hwaccm.s.vmx.msr.vmx_eptcaps & MSR_IA32_VMX_EPT_CAPS_GAW_57_BITS) LogRel(("HWACCM: MSR_IA32_VMX_EPT_CAPS_GAW_57_BITS\n")); if (pVM->hwaccm.s.vmx.msr.vmx_eptcaps & MSR_IA32_VMX_EPT_CAPS_EMT_UC) LogRel(("HWACCM: MSR_IA32_VMX_EPT_CAPS_EMT_UC\n")); if (pVM->hwaccm.s.vmx.msr.vmx_eptcaps & MSR_IA32_VMX_EPT_CAPS_EMT_WC) LogRel(("HWACCM: MSR_IA32_VMX_EPT_CAPS_EMT_WC\n")); if (pVM->hwaccm.s.vmx.msr.vmx_eptcaps & MSR_IA32_VMX_EPT_CAPS_EMT_WT) LogRel(("HWACCM: MSR_IA32_VMX_EPT_CAPS_EMT_WT\n")); if (pVM->hwaccm.s.vmx.msr.vmx_eptcaps & MSR_IA32_VMX_EPT_CAPS_EMT_WP) LogRel(("HWACCM: MSR_IA32_VMX_EPT_CAPS_EMT_WP\n")); if (pVM->hwaccm.s.vmx.msr.vmx_eptcaps & MSR_IA32_VMX_EPT_CAPS_EMT_WB) LogRel(("HWACCM: MSR_IA32_VMX_EPT_CAPS_EMT_WB\n")); if (pVM->hwaccm.s.vmx.msr.vmx_eptcaps & MSR_IA32_VMX_EPT_CAPS_SP_21_BITS) LogRel(("HWACCM: MSR_IA32_VMX_EPT_CAPS_SP_21_BITS\n")); if (pVM->hwaccm.s.vmx.msr.vmx_eptcaps & MSR_IA32_VMX_EPT_CAPS_SP_30_BITS) LogRel(("HWACCM: MSR_IA32_VMX_EPT_CAPS_SP_30_BITS\n")); if (pVM->hwaccm.s.vmx.msr.vmx_eptcaps & MSR_IA32_VMX_EPT_CAPS_SP_39_BITS) LogRel(("HWACCM: MSR_IA32_VMX_EPT_CAPS_SP_39_BITS\n")); if (pVM->hwaccm.s.vmx.msr.vmx_eptcaps & MSR_IA32_VMX_EPT_CAPS_SP_48_BITS) LogRel(("HWACCM: MSR_IA32_VMX_EPT_CAPS_SP_48_BITS\n")); if (pVM->hwaccm.s.vmx.msr.vmx_eptcaps & MSR_IA32_VMX_EPT_CAPS_INVEPT) LogRel(("HWACCM: MSR_IA32_VMX_EPT_CAPS_INVEPT\n")); if (pVM->hwaccm.s.vmx.msr.vmx_eptcaps & MSR_IA32_VMX_EPT_CAPS_INVEPT_CAPS_INDIV) LogRel(("HWACCM: MSR_IA32_VMX_EPT_CAPS_INVEPT_CAPS_INDIV\n")); if (pVM->hwaccm.s.vmx.msr.vmx_eptcaps & MSR_IA32_VMX_EPT_CAPS_INVEPT_CAPS_CONTEXT) LogRel(("HWACCM: MSR_IA32_VMX_EPT_CAPS_INVEPT_CAPS_CONTEXT\n")); if (pVM->hwaccm.s.vmx.msr.vmx_eptcaps & MSR_IA32_VMX_EPT_CAPS_INVEPT_CAPS_ALL) LogRel(("HWACCM: MSR_IA32_VMX_EPT_CAPS_INVEPT_CAPS_ALL\n")); if (pVM->hwaccm.s.vmx.msr.vmx_eptcaps & MSR_IA32_VMX_EPT_CAPS_INVVPID) LogRel(("HWACCM: MSR_IA32_VMX_EPT_CAPS_INVVPID\n")); if (pVM->hwaccm.s.vmx.msr.vmx_eptcaps & MSR_IA32_VMX_EPT_CAPS_INVVPID_CAPS_INDIV) LogRel(("HWACCM: MSR_IA32_VMX_EPT_CAPS_INVVPID_CAPS_INDIV\n")); if (pVM->hwaccm.s.vmx.msr.vmx_eptcaps & MSR_IA32_VMX_EPT_CAPS_INVVPID_CAPS_CONTEXT) LogRel(("HWACCM: MSR_IA32_VMX_EPT_CAPS_INVVPID_CAPS_CONTEXT\n")); if (pVM->hwaccm.s.vmx.msr.vmx_eptcaps & MSR_IA32_VMX_EPT_CAPS_INVVPID_CAPS_ALL) LogRel(("HWACCM: MSR_IA32_VMX_EPT_CAPS_INVVPID_CAPS_ALL\n")); if (pVM->hwaccm.s.vmx.msr.vmx_eptcaps & MSR_IA32_VMX_EPT_CAPS_INVVPID_CAPS_CONTEXT_GLOBAL) LogRel(("HWACCM: MSR_IA32_VMX_EPT_CAPS_INVVPID_CAPS_CONTEXT_GLOBAL\n")); } LogRel(("HWACCM: MSR_IA32_VMX_MISC = %RX64\n", pVM->hwaccm.s.vmx.msr.vmx_misc)); if ( !pVM->hwaccm.s.vmx.fUsePreemptTimer || MSR_IA32_VMX_MISC_PREEMPT_TSC_BIT(pVM->hwaccm.s.vmx.msr.vmx_misc) == pVM->hwaccm.s.vmx.cPreemptTimerShift) LogRel(("HWACCM: MSR_IA32_VMX_MISC_PREEMPT_TSC_BIT %x\n", MSR_IA32_VMX_MISC_PREEMPT_TSC_BIT(pVM->hwaccm.s.vmx.msr.vmx_misc))); else LogRel(("HWACCM: MSR_IA32_VMX_MISC_PREEMPT_TSC_BIT %x - erratum detected, using %x instead\n", MSR_IA32_VMX_MISC_PREEMPT_TSC_BIT(pVM->hwaccm.s.vmx.msr.vmx_misc), pVM->hwaccm.s.vmx.cPreemptTimerShift)); LogRel(("HWACCM: MSR_IA32_VMX_MISC_ACTIVITY_STATES %x\n", MSR_IA32_VMX_MISC_ACTIVITY_STATES(pVM->hwaccm.s.vmx.msr.vmx_misc))); LogRel(("HWACCM: MSR_IA32_VMX_MISC_CR3_TARGET %x\n", MSR_IA32_VMX_MISC_CR3_TARGET(pVM->hwaccm.s.vmx.msr.vmx_misc))); LogRel(("HWACCM: MSR_IA32_VMX_MISC_MAX_MSR %x\n", MSR_IA32_VMX_MISC_MAX_MSR(pVM->hwaccm.s.vmx.msr.vmx_misc))); LogRel(("HWACCM: MSR_IA32_VMX_MISC_MSEG_ID %x\n", MSR_IA32_VMX_MISC_MSEG_ID(pVM->hwaccm.s.vmx.msr.vmx_misc))); LogRel(("HWACCM: MSR_IA32_VMX_CR0_FIXED0 = %RX64\n", pVM->hwaccm.s.vmx.msr.vmx_cr0_fixed0)); LogRel(("HWACCM: MSR_IA32_VMX_CR0_FIXED1 = %RX64\n", pVM->hwaccm.s.vmx.msr.vmx_cr0_fixed1)); LogRel(("HWACCM: MSR_IA32_VMX_CR4_FIXED0 = %RX64\n", pVM->hwaccm.s.vmx.msr.vmx_cr4_fixed0)); LogRel(("HWACCM: MSR_IA32_VMX_CR4_FIXED1 = %RX64\n", pVM->hwaccm.s.vmx.msr.vmx_cr4_fixed1)); LogRel(("HWACCM: MSR_IA32_VMX_VMCS_ENUM = %RX64\n", pVM->hwaccm.s.vmx.msr.vmx_vmcs_enum)); LogRel(("HWACCM: TPR shadow physaddr = %RHp\n", pVM->hwaccm.s.vmx.pAPICPhys)); /* Paranoia */ AssertRelease(MSR_IA32_VMX_MISC_MAX_MSR(pVM->hwaccm.s.vmx.msr.vmx_misc) >= 512); for (VMCPUID i = 0; i < pVM->cCpus; i++) { LogRel(("HWACCM: VCPU%d: MSR bitmap physaddr = %RHp\n", i, pVM->aCpus[i].hwaccm.s.vmx.pMSRBitmapPhys)); LogRel(("HWACCM: VCPU%d: VMCS physaddr = %RHp\n", i, pVM->aCpus[i].hwaccm.s.vmx.pVMCSPhys)); } #ifdef HWACCM_VTX_WITH_EPT if (pVM->hwaccm.s.vmx.msr.vmx_proc_ctls2.n.allowed1 & VMX_VMCS_CTRL_PROC_EXEC2_EPT) pVM->hwaccm.s.fNestedPaging = pVM->hwaccm.s.fAllowNestedPaging; #endif /* HWACCM_VTX_WITH_EPT */ #ifdef HWACCM_VTX_WITH_VPID if ( (pVM->hwaccm.s.vmx.msr.vmx_proc_ctls2.n.allowed1 & VMX_VMCS_CTRL_PROC_EXEC2_VPID) && !pVM->hwaccm.s.fNestedPaging) /* VPID and EPT are mutually exclusive. */ pVM->hwaccm.s.vmx.fVPID = pVM->hwaccm.s.vmx.fAllowVPID; #endif /* HWACCM_VTX_WITH_VPID */ /* Unrestricted guest execution relies on EPT. */ if ( pVM->hwaccm.s.fNestedPaging && (pVM->hwaccm.s.vmx.msr.vmx_proc_ctls2.n.allowed1 & VMX_VMCS_CTRL_PROC_EXEC2_REAL_MODE)) { pVM->hwaccm.s.vmx.fUnrestrictedGuest = true; } /* Only try once. */ pVM->hwaccm.s.fInitialized = true; if (!pVM->hwaccm.s.vmx.fUnrestrictedGuest) { /* Allocate three pages for the TSS we need for real mode emulation. (2 pages for the IO bitmap) */ rc = PDMR3VMMDevHeapAlloc(pVM, HWACCM_VTX_TOTAL_DEVHEAP_MEM, (RTR3PTR *)&pVM->hwaccm.s.vmx.pRealModeTSS); if (RT_SUCCESS(rc)) { /* The I/O bitmap starts right after the virtual interrupt redirection bitmap. */ ASMMemZero32(pVM->hwaccm.s.vmx.pRealModeTSS, sizeof(*pVM->hwaccm.s.vmx.pRealModeTSS)); pVM->hwaccm.s.vmx.pRealModeTSS->offIoBitmap = sizeof(*pVM->hwaccm.s.vmx.pRealModeTSS); /* Bit set to 0 means redirection enabled. */ memset(pVM->hwaccm.s.vmx.pRealModeTSS->IntRedirBitmap, 0x0, sizeof(pVM->hwaccm.s.vmx.pRealModeTSS->IntRedirBitmap)); /* Allow all port IO, so the VT-x IO intercepts do their job. */ memset(pVM->hwaccm.s.vmx.pRealModeTSS + 1, 0, PAGE_SIZE*2); *((unsigned char *)pVM->hwaccm.s.vmx.pRealModeTSS + HWACCM_VTX_TSS_SIZE - 2) = 0xff; /* Construct a 1024 element page directory with 4 MB pages for the identity mapped page table used in * real and protected mode without paging with EPT. */ pVM->hwaccm.s.vmx.pNonPagingModeEPTPageTable = (PX86PD)((char *)pVM->hwaccm.s.vmx.pRealModeTSS + PAGE_SIZE * 3); for (unsigned i=0;ihwaccm.s.vmx.pNonPagingModeEPTPageTable->a[i].u = _4M * i; pVM->hwaccm.s.vmx.pNonPagingModeEPTPageTable->a[i].u |= X86_PDE4M_P | X86_PDE4M_RW | X86_PDE4M_US | X86_PDE4M_A | X86_PDE4M_D | X86_PDE4M_PS | X86_PDE4M_G; } /* We convert it here every time as pci regions could be reconfigured. */ rc = PDMVMMDevHeapR3ToGCPhys(pVM, pVM->hwaccm.s.vmx.pRealModeTSS, &GCPhys); AssertRC(rc); LogRel(("HWACCM: Real Mode TSS guest physaddr = %RGp\n", GCPhys)); rc = PDMVMMDevHeapR3ToGCPhys(pVM, pVM->hwaccm.s.vmx.pNonPagingModeEPTPageTable, &GCPhys); AssertRC(rc); LogRel(("HWACCM: Non-Paging Mode EPT CR3 = %RGp\n", GCPhys)); } else { LogRel(("HWACCM: No real mode VT-x support (PDMR3VMMDevHeapAlloc returned %Rrc)\n", rc)); pVM->hwaccm.s.vmx.pRealModeTSS = NULL; pVM->hwaccm.s.vmx.pNonPagingModeEPTPageTable = NULL; } } rc = SUPR3CallVMMR0Ex(pVM->pVMR0, 0 /*idCpu*/, VMMR0_DO_HWACC_SETUP_VM, 0, NULL); AssertRC(rc); if (rc == VINF_SUCCESS) { pVM->fHWACCMEnabled = true; pVM->hwaccm.s.vmx.fEnabled = true; hwaccmR3DisableRawMode(pVM); CPUMSetGuestCpuIdFeature(pVM, CPUMCPUIDFEATURE_SEP); #ifdef VBOX_ENABLE_64_BITS_GUESTS if (pVM->hwaccm.s.fAllow64BitGuests) { CPUMSetGuestCpuIdFeature(pVM, CPUMCPUIDFEATURE_PAE); CPUMSetGuestCpuIdFeature(pVM, CPUMCPUIDFEATURE_LONG_MODE); CPUMSetGuestCpuIdFeature(pVM, CPUMCPUIDFEATURE_SYSCALL); /* 64 bits only on Intel CPUs */ CPUMSetGuestCpuIdFeature(pVM, CPUMCPUIDFEATURE_LAHF); CPUMSetGuestCpuIdFeature(pVM, CPUMCPUIDFEATURE_NXE); } else /* Turn on NXE if PAE has been enabled *and* the host has turned on NXE (we reuse the host EFER in the switcher) */ /* Todo: this needs to be fixed properly!! */ if ( CPUMGetGuestCpuIdFeature(pVM, CPUMCPUIDFEATURE_PAE) && (pVM->hwaccm.s.vmx.hostEFER & MSR_K6_EFER_NXE)) CPUMSetGuestCpuIdFeature(pVM, CPUMCPUIDFEATURE_NXE); LogRel((pVM->hwaccm.s.fAllow64BitGuests ? "HWACCM: 32-bit and 64-bit guests supported.\n" : "HWACCM: 32-bit guests supported.\n")); #else LogRel(("HWACCM: 32-bit guests supported.\n")); #endif LogRel(("HWACCM: VMX enabled!\n")); if (pVM->hwaccm.s.fNestedPaging) { LogRel(("HWACCM: Enabled nested paging\n")); LogRel(("HWACCM: EPT root page = %RHp\n", PGMGetHyperCR3(VMMGetCpu(pVM)))); if (pVM->hwaccm.s.vmx.fUnrestrictedGuest) LogRel(("HWACCM: Unrestricted guest execution enabled!\n")); #if HC_ARCH_BITS == 64 if (pVM->hwaccm.s.fLargePages) { /* Use large (2 MB) pages for our EPT PDEs where possible. */ PGMSetLargePageUsage(pVM, true); LogRel(("HWACCM: Large page support enabled!\n")); } #endif } else Assert(!pVM->hwaccm.s.vmx.fUnrestrictedGuest); if (pVM->hwaccm.s.vmx.fVPID) LogRel(("HWACCM: Enabled VPID\n")); if ( pVM->hwaccm.s.fNestedPaging || pVM->hwaccm.s.vmx.fVPID) { LogRel(("HWACCM: enmFlushPage %d\n", pVM->hwaccm.s.vmx.enmFlushPage)); LogRel(("HWACCM: enmFlushContext %d\n", pVM->hwaccm.s.vmx.enmFlushContext)); } /* TPR patching status logging. */ if (pVM->hwaccm.s.fTRPPatchingAllowed) { if ( (pVM->hwaccm.s.vmx.msr.vmx_proc_ctls.n.allowed1 & VMX_VMCS_CTRL_PROC_EXEC_USE_SECONDARY_EXEC_CTRL) && (pVM->hwaccm.s.vmx.msr.vmx_proc_ctls2.n.allowed1 & VMX_VMCS_CTRL_PROC_EXEC2_VIRT_APIC)) { pVM->hwaccm.s.fTRPPatchingAllowed = false; /* not necessary as we have a hardware solution. */ LogRel(("HWACCM: TPR Patching not required (VMX_VMCS_CTRL_PROC_EXEC2_VIRT_APIC).\n")); } else { uint32_t u32Eax, u32Dummy; /* TPR patching needs access to the MSR_K8_LSTAR msr. */ ASMCpuId(0x80000000, &u32Eax, &u32Dummy, &u32Dummy, &u32Dummy); if ( u32Eax < 0x80000001 || !(ASMCpuId_EDX(0x80000001) & X86_CPUID_AMD_FEATURE_EDX_LONG_MODE)) { pVM->hwaccm.s.fTRPPatchingAllowed = false; LogRel(("HWACCM: TPR patching disabled (long mode not supported).\n")); } } } LogRel(("HWACCM: TPR Patching %s.\n", (pVM->hwaccm.s.fTRPPatchingAllowed) ? "enabled" : "disabled")); } else { LogRel(("HWACCM: VMX setup failed with rc=%Rrc!\n", rc)); LogRel(("HWACCM: Last instruction error %x\n", pVM->aCpus[0].hwaccm.s.vmx.lasterror.ulInstrError)); pVM->fHWACCMEnabled = false; } } } else if (pVM->hwaccm.s.svm.fSupported) { Log(("pVM->hwaccm.s.svm.fSupported = %d\n", pVM->hwaccm.s.svm.fSupported)); if (pVM->hwaccm.s.fInitialized == false) { /* Erratum 170 which requires a forced TLB flush for each world switch: * See http://www.amd.com/us-en/assets/content_type/white_papers_and_tech_docs/33610.pdf * * All BH-G1/2 and DH-G1/2 models include a fix: * Athlon X2: 0x6b 1/2 * 0x68 1/2 * Athlon 64: 0x7f 1 * 0x6f 2 * Sempron: 0x7f 1/2 * 0x6f 2 * 0x6c 2 * 0x7c 2 * Turion 64: 0x68 2 * */ uint32_t u32Dummy; uint32_t u32Version, u32Family, u32Model, u32Stepping, u32BaseFamily; ASMCpuId(1, &u32Version, &u32Dummy, &u32Dummy, &u32Dummy); u32BaseFamily= (u32Version >> 8) & 0xf; u32Family = u32BaseFamily + (u32BaseFamily == 0xf ? ((u32Version >> 20) & 0x7f) : 0); u32Model = ((u32Version >> 4) & 0xf); u32Model = u32Model | ((u32BaseFamily == 0xf ? (u32Version >> 16) & 0x0f : 0) << 4); u32Stepping = u32Version & 0xf; if ( u32Family == 0xf && !((u32Model == 0x68 || u32Model == 0x6b || u32Model == 0x7f) && u32Stepping >= 1) && !((u32Model == 0x6f || u32Model == 0x6c || u32Model == 0x7c) && u32Stepping >= 2)) { LogRel(("HWACMM: AMD cpu with erratum 170 family %x model %x stepping %x\n", u32Family, u32Model, u32Stepping)); } LogRel(("HWACMM: cpuid 0x80000001.u32AMDFeatureECX = %RX32\n", pVM->hwaccm.s.cpuid.u32AMDFeatureECX)); LogRel(("HWACMM: cpuid 0x80000001.u32AMDFeatureEDX = %RX32\n", pVM->hwaccm.s.cpuid.u32AMDFeatureEDX)); LogRel(("HWACCM: AMD HWCR MSR = %RX64\n", pVM->hwaccm.s.svm.msrHWCR)); LogRel(("HWACCM: AMD-V revision = %X\n", pVM->hwaccm.s.svm.u32Rev)); LogRel(("HWACCM: AMD-V max ASID = %d\n", pVM->hwaccm.s.uMaxASID)); LogRel(("HWACCM: AMD-V features = %X\n", pVM->hwaccm.s.svm.u32Features)); if (pVM->hwaccm.s.svm.u32Features & AMD_CPUID_SVM_FEATURE_EDX_NESTED_PAGING) LogRel(("HWACCM: AMD_CPUID_SVM_FEATURE_EDX_NESTED_PAGING\n")); if (pVM->hwaccm.s.svm.u32Features & AMD_CPUID_SVM_FEATURE_EDX_LBR_VIRT) LogRel(("HWACCM: AMD_CPUID_SVM_FEATURE_EDX_LBR_VIRT\n")); if (pVM->hwaccm.s.svm.u32Features & AMD_CPUID_SVM_FEATURE_EDX_SVM_LOCK) LogRel(("HWACCM: AMD_CPUID_SVM_FEATURE_EDX_SVM_LOCK\n")); if (pVM->hwaccm.s.svm.u32Features & AMD_CPUID_SVM_FEATURE_EDX_NRIP_SAVE) LogRel(("HWACCM: AMD_CPUID_SVM_FEATURE_EDX_NRIP_SAVE\n")); if (pVM->hwaccm.s.svm.u32Features & AMD_CPUID_SVM_FEATURE_EDX_SSE_3_5_DISABLE) LogRel(("HWACCM: AMD_CPUID_SVM_FEATURE_EDX_SSE_3_5_DISABLE\n")); if (pVM->hwaccm.s.svm.u32Features & AMD_CPUID_SVM_FEATURE_EDX_PAUSE_FILTER) LogRel(("HWACCM: AMD_CPUID_SVM_FEATURE_EDX_PAUSE_FILTER\n")); /* Only try once. */ pVM->hwaccm.s.fInitialized = true; if (pVM->hwaccm.s.svm.u32Features & AMD_CPUID_SVM_FEATURE_EDX_NESTED_PAGING) pVM->hwaccm.s.fNestedPaging = pVM->hwaccm.s.fAllowNestedPaging; rc = SUPR3CallVMMR0Ex(pVM->pVMR0, 0 /*idCpu*/, VMMR0_DO_HWACC_SETUP_VM, 0, NULL); AssertRC(rc); if (rc == VINF_SUCCESS) { pVM->fHWACCMEnabled = true; pVM->hwaccm.s.svm.fEnabled = true; if (pVM->hwaccm.s.fNestedPaging) { LogRel(("HWACCM: Enabled nested paging\n")); #if HC_ARCH_BITS == 64 if (pVM->hwaccm.s.fLargePages) { /* Use large (2 MB) pages for our nested paging PDEs where possible. */ PGMSetLargePageUsage(pVM, true); LogRel(("HWACCM: Large page support enabled!\n")); } #endif } hwaccmR3DisableRawMode(pVM); CPUMSetGuestCpuIdFeature(pVM, CPUMCPUIDFEATURE_SEP); CPUMSetGuestCpuIdFeature(pVM, CPUMCPUIDFEATURE_SYSCALL); CPUMSetGuestCpuIdFeature(pVM, CPUMCPUIDFEATURE_RDTSCP); #ifdef VBOX_ENABLE_64_BITS_GUESTS if (pVM->hwaccm.s.fAllow64BitGuests) { CPUMSetGuestCpuIdFeature(pVM, CPUMCPUIDFEATURE_PAE); CPUMSetGuestCpuIdFeature(pVM, CPUMCPUIDFEATURE_LONG_MODE); CPUMSetGuestCpuIdFeature(pVM, CPUMCPUIDFEATURE_NXE); CPUMSetGuestCpuIdFeature(pVM, CPUMCPUIDFEATURE_LAHF); } else /* Turn on NXE if PAE has been enabled. */ if (CPUMGetGuestCpuIdFeature(pVM, CPUMCPUIDFEATURE_PAE)) CPUMSetGuestCpuIdFeature(pVM, CPUMCPUIDFEATURE_NXE); #endif LogRel((pVM->hwaccm.s.fAllow64BitGuests ? "HWACCM: 32-bit and 64-bit guest supported.\n" : "HWACCM: 32-bit guest supported.\n")); LogRel(("HWACCM: TPR Patching %s.\n", (pVM->hwaccm.s.fTRPPatchingAllowed) ? "enabled" : "disabled")); } else { pVM->fHWACCMEnabled = false; } } } if (pVM->fHWACCMEnabled) LogRel(("HWACCM: VT-x/AMD-V init method: %s\n", (pVM->hwaccm.s.fGlobalInit) ? "GLOBAL" : "LOCAL")); RTLogRelSetBuffering(fOldBuffered); return VINF_SUCCESS; } /** * Applies relocations to data and code managed by this * component. This function will be called at init and * whenever the VMM need to relocate it self inside the GC. * * @param pVM The VM. */ VMMR3DECL(void) HWACCMR3Relocate(PVM pVM) { Log(("HWACCMR3Relocate to %RGv\n", MMHyperGetArea(pVM, 0))); /* Fetch the current paging mode during the relocate callback during state loading. */ if (VMR3GetState(pVM) == VMSTATE_LOADING) { for (VMCPUID i = 0; i < pVM->cCpus; i++) { PVMCPU pVCpu = &pVM->aCpus[i]; pVCpu->hwaccm.s.enmShadowMode = PGMGetShadowMode(pVCpu); Assert(pVCpu->hwaccm.s.vmx.enmCurrGuestMode == PGMGetGuestMode(pVCpu)); pVCpu->hwaccm.s.vmx.enmCurrGuestMode = PGMGetGuestMode(pVCpu); } } #if HC_ARCH_BITS == 32 && defined(VBOX_ENABLE_64_BITS_GUESTS) && !defined(VBOX_WITH_HYBRID_32BIT_KERNEL) if (pVM->fHWACCMEnabled) { int rc; switch(PGMGetHostMode(pVM)) { case PGMMODE_32_BIT: pVM->hwaccm.s.pfnHost32ToGuest64R0 = VMMR3GetHostToGuestSwitcher(pVM, VMMSWITCHER_32_TO_AMD64); break; case PGMMODE_PAE: case PGMMODE_PAE_NX: pVM->hwaccm.s.pfnHost32ToGuest64R0 = VMMR3GetHostToGuestSwitcher(pVM, VMMSWITCHER_PAE_TO_AMD64); break; default: AssertFailed(); break; } rc = PDMR3LdrGetSymbolRC(pVM, NULL, "VMXGCStartVM64", &pVM->hwaccm.s.pfnVMXGCStartVM64); AssertReleaseMsgRC(rc, ("VMXGCStartVM64 -> rc=%Rrc\n", rc)); rc = PDMR3LdrGetSymbolRC(pVM, NULL, "SVMGCVMRun64", &pVM->hwaccm.s.pfnSVMGCVMRun64); AssertReleaseMsgRC(rc, ("SVMGCVMRun64 -> rc=%Rrc\n", rc)); rc = PDMR3LdrGetSymbolRC(pVM, NULL, "HWACCMSaveGuestFPU64", &pVM->hwaccm.s.pfnSaveGuestFPU64); AssertReleaseMsgRC(rc, ("HWACCMSetupFPU64 -> rc=%Rrc\n", rc)); rc = PDMR3LdrGetSymbolRC(pVM, NULL, "HWACCMSaveGuestDebug64", &pVM->hwaccm.s.pfnSaveGuestDebug64); AssertReleaseMsgRC(rc, ("HWACCMSetupDebug64 -> rc=%Rrc\n", rc)); # ifdef DEBUG rc = PDMR3LdrGetSymbolRC(pVM, NULL, "HWACCMTestSwitcher64", &pVM->hwaccm.s.pfnTest64); AssertReleaseMsgRC(rc, ("HWACCMTestSwitcher64 -> rc=%Rrc\n", rc)); # endif } #endif return; } /** * Checks hardware accelerated raw mode is allowed. * * @returns boolean * @param pVM The VM to operate on. */ VMMR3DECL(bool) HWACCMR3IsAllowed(PVM pVM) { return pVM->hwaccm.s.fAllowed; } /** * Notification callback which is called whenever there is a chance that a CR3 * value might have changed. * * This is called by PGM. * * @param pVM The VM to operate on. * @param pVCpu The VMCPU to operate on. * @param enmShadowMode New shadow paging mode. * @param enmGuestMode New guest paging mode. */ VMMR3DECL(void) HWACCMR3PagingModeChanged(PVM pVM, PVMCPU pVCpu, PGMMODE enmShadowMode, PGMMODE enmGuestMode) { /* Ignore page mode changes during state loading. */ if (VMR3GetState(pVCpu->pVMR3) == VMSTATE_LOADING) return; pVCpu->hwaccm.s.enmShadowMode = enmShadowMode; if ( pVM->hwaccm.s.vmx.fEnabled && pVM->fHWACCMEnabled) { if ( pVCpu->hwaccm.s.vmx.enmLastSeenGuestMode == PGMMODE_REAL && enmGuestMode >= PGMMODE_PROTECTED) { PCPUMCTX pCtx; pCtx = CPUMQueryGuestCtxPtr(pVCpu); /* After a real mode switch to protected mode we must force * CPL to 0. Our real mode emulation had to set it to 3. */ pCtx->ssHid.Attr.n.u2Dpl = 0; } } if (pVCpu->hwaccm.s.vmx.enmCurrGuestMode != enmGuestMode) { /* Keep track of paging mode changes. */ pVCpu->hwaccm.s.vmx.enmPrevGuestMode = pVCpu->hwaccm.s.vmx.enmCurrGuestMode; pVCpu->hwaccm.s.vmx.enmCurrGuestMode = enmGuestMode; /* Did we miss a change, because all code was executed in the recompiler? */ if (pVCpu->hwaccm.s.vmx.enmLastSeenGuestMode == enmGuestMode) { Log(("HWACCMR3PagingModeChanged missed %s->%s transition (prev %s)\n", PGMGetModeName(pVCpu->hwaccm.s.vmx.enmPrevGuestMode), PGMGetModeName(pVCpu->hwaccm.s.vmx.enmCurrGuestMode), PGMGetModeName(pVCpu->hwaccm.s.vmx.enmLastSeenGuestMode))); pVCpu->hwaccm.s.vmx.enmLastSeenGuestMode = pVCpu->hwaccm.s.vmx.enmPrevGuestMode; } } /* Reset the contents of the read cache. */ PVMCSCACHE pCache = &pVCpu->hwaccm.s.vmx.VMCSCache; for (unsigned j=0;jRead.cValidEntries;j++) pCache->Read.aFieldVal[j] = 0; } /** * Terminates the HWACCM. * * Termination means cleaning up and freeing all resources, * the VM it self is at this point powered off or suspended. * * @returns VBox status code. * @param pVM The VM to operate on. */ VMMR3DECL(int) HWACCMR3Term(PVM pVM) { if (pVM->hwaccm.s.vmx.pRealModeTSS) { PDMR3VMMDevHeapFree(pVM, pVM->hwaccm.s.vmx.pRealModeTSS); pVM->hwaccm.s.vmx.pRealModeTSS = 0; } HWACCMR3TermCPU(pVM); return 0; } /** * Terminates the per-VCPU HWACCM. * * Termination means cleaning up and freeing all resources, * the VM it self is at this point powered off or suspended. * * @returns VBox status code. * @param pVM The VM to operate on. */ VMMR3DECL(int) HWACCMR3TermCPU(PVM pVM) { for (VMCPUID i = 0; i < pVM->cCpus; i++) { PVMCPU pVCpu = &pVM->aCpus[i]; #ifdef VBOX_WITH_STATISTICS if (pVCpu->hwaccm.s.paStatExitReason) { MMHyperFree(pVM, pVCpu->hwaccm.s.paStatExitReason); pVCpu->hwaccm.s.paStatExitReason = NULL; pVCpu->hwaccm.s.paStatExitReasonR0 = NIL_RTR0PTR; } if (pVCpu->hwaccm.s.paStatInjectedIrqs) { MMHyperFree(pVM, pVCpu->hwaccm.s.paStatInjectedIrqs); pVCpu->hwaccm.s.paStatInjectedIrqs = NULL; pVCpu->hwaccm.s.paStatInjectedIrqsR0 = NIL_RTR0PTR; } #endif #ifdef VBOX_WITH_CRASHDUMP_MAGIC memset(pVCpu->hwaccm.s.vmx.VMCSCache.aMagic, 0, sizeof(pVCpu->hwaccm.s.vmx.VMCSCache.aMagic)); pVCpu->hwaccm.s.vmx.VMCSCache.uMagic = 0; pVCpu->hwaccm.s.vmx.VMCSCache.uPos = 0xffffffff; #endif } return 0; } /** * Resets a virtual CPU. * * Used by HWACCMR3Reset and CPU hot plugging. * * @param pVCpu The CPU to reset. */ VMMR3DECL(void) HWACCMR3ResetCpu(PVMCPU pVCpu) { /* On first entry we'll sync everything. */ pVCpu->hwaccm.s.fContextUseFlags = HWACCM_CHANGED_ALL; pVCpu->hwaccm.s.vmx.cr0_mask = 0; pVCpu->hwaccm.s.vmx.cr4_mask = 0; pVCpu->hwaccm.s.fActive = false; pVCpu->hwaccm.s.Event.fPending = false; /* Reset state information for real-mode emulation in VT-x. */ pVCpu->hwaccm.s.vmx.enmLastSeenGuestMode = PGMMODE_REAL; pVCpu->hwaccm.s.vmx.enmPrevGuestMode = PGMMODE_REAL; pVCpu->hwaccm.s.vmx.enmCurrGuestMode = PGMMODE_REAL; /* Reset the contents of the read cache. */ PVMCSCACHE pCache = &pVCpu->hwaccm.s.vmx.VMCSCache; for (unsigned j=0;jRead.cValidEntries;j++) pCache->Read.aFieldVal[j] = 0; #ifdef VBOX_WITH_CRASHDUMP_MAGIC /* Magic marker for searching in crash dumps. */ strcpy((char *)pCache->aMagic, "VMCSCACHE Magic"); pCache->uMagic = UINT64_C(0xDEADBEEFDEADBEEF); #endif } /** * The VM is being reset. * * For the HWACCM component this means that any GDT/LDT/TSS monitors * needs to be removed. * * @param pVM VM handle. */ VMMR3DECL(void) HWACCMR3Reset(PVM pVM) { LogFlow(("HWACCMR3Reset:\n")); if (pVM->fHWACCMEnabled) hwaccmR3DisableRawMode(pVM); for (VMCPUID i = 0; i < pVM->cCpus; i++) { PVMCPU pVCpu = &pVM->aCpus[i]; HWACCMR3ResetCpu(pVCpu); } /* Clear all patch information. */ pVM->hwaccm.s.pGuestPatchMem = 0; pVM->hwaccm.s.pFreeGuestPatchMem = 0; pVM->hwaccm.s.cbGuestPatchMem = 0; pVM->hwaccm.s.cPatches = 0; pVM->hwaccm.s.PatchTree = 0; pVM->hwaccm.s.fTPRPatchingActive = false; ASMMemZero32(pVM->hwaccm.s.aPatches, sizeof(pVM->hwaccm.s.aPatches)); } /** * Callback to patch a TPR instruction (vmmcall or mov cr8) * * @returns VBox strict status code. * @param pVM The VM handle. * @param pVCpu The VMCPU for the EMT we're being called on. * @param pvUser Unused * */ DECLCALLBACK(VBOXSTRICTRC) hwaccmR3RemovePatches(PVM pVM, PVMCPU pVCpu, void *pvUser) { VMCPUID idCpu = (VMCPUID)(uintptr_t)pvUser; /* Only execute the handler on the VCPU the original patch request was issued. */ if (pVCpu->idCpu != idCpu) return VINF_SUCCESS; Log(("hwaccmR3RemovePatches\n")); for (unsigned i = 0; i < pVM->hwaccm.s.cPatches; i++) { uint8_t szInstr[15]; PHWACCMTPRPATCH pPatch = &pVM->hwaccm.s.aPatches[i]; RTGCPTR pInstrGC = (RTGCPTR)pPatch->Core.Key; int rc; #ifdef LOG_ENABLED char szOutput[256]; rc = DBGFR3DisasInstrEx(pVM, pVCpu->idCpu, CPUMGetGuestCS(pVCpu), pInstrGC, DBGF_DISAS_FLAGS_DEFAULT_MODE, szOutput, sizeof(szOutput), NULL); if (RT_SUCCESS(rc)) Log(("Patched instr: %s\n", szOutput)); #endif /* Check if the instruction is still the same. */ rc = PGMPhysSimpleReadGCPtr(pVCpu, szInstr, pInstrGC, pPatch->cbNewOp); if (rc != VINF_SUCCESS) { Log(("Patched code removed? (rc=%Rrc0\n", rc)); continue; /* swapped out or otherwise removed; skip it. */ } if (memcmp(szInstr, pPatch->aNewOpcode, pPatch->cbNewOp)) { Log(("Patched instruction was changed! (rc=%Rrc0\n", rc)); continue; /* skip it. */ } rc = PGMPhysSimpleWriteGCPtr(pVCpu, pInstrGC, pPatch->aOpcode, pPatch->cbOp); AssertRC(rc); #ifdef LOG_ENABLED rc = DBGFR3DisasInstrEx(pVM, pVCpu->idCpu, CPUMGetGuestCS(pVCpu), pInstrGC, DBGF_DISAS_FLAGS_DEFAULT_MODE, szOutput, sizeof(szOutput), NULL); if (RT_SUCCESS(rc)) Log(("Original instr: %s\n", szOutput)); #endif } pVM->hwaccm.s.cPatches = 0; pVM->hwaccm.s.PatchTree = 0; pVM->hwaccm.s.pFreeGuestPatchMem = pVM->hwaccm.s.pGuestPatchMem; pVM->hwaccm.s.fTPRPatchingActive = false; return VINF_SUCCESS; } /** * Enable patching in a VT-x/AMD-V guest * * @returns VBox status code. * @param pVM The VM to operate on. * @param idCpu VCPU to execute hwaccmR3RemovePatches on * @param pPatchMem Patch memory range * @param cbPatchMem Size of the memory range */ int hwaccmR3EnablePatching(PVM pVM, VMCPUID idCpu, RTRCPTR pPatchMem, unsigned cbPatchMem) { int rc = VMMR3EmtRendezvous(pVM, VMMEMTRENDEZVOUS_FLAGS_TYPE_ONE_BY_ONE, hwaccmR3RemovePatches, (void *)idCpu); AssertRC(rc); pVM->hwaccm.s.pGuestPatchMem = pPatchMem; pVM->hwaccm.s.pFreeGuestPatchMem = pPatchMem; pVM->hwaccm.s.cbGuestPatchMem = cbPatchMem; return VINF_SUCCESS; } /** * Enable patching in a VT-x/AMD-V guest * * @returns VBox status code. * @param pVM The VM to operate on. * @param pPatchMem Patch memory range * @param cbPatchMem Size of the memory range */ VMMR3DECL(int) HWACMMR3EnablePatching(PVM pVM, RTGCPTR pPatchMem, unsigned cbPatchMem) { Log(("HWACMMR3EnablePatching %RGv size %x\n", pPatchMem, cbPatchMem)); if (pVM->cCpus > 1) { /* We own the IOM lock here and could cause a deadlock by waiting for a VCPU that is blocking on the IOM lock. */ int rc = VMR3ReqCallNoWaitU(pVM->pUVM, VMCPUID_ANY_QUEUE, (PFNRT)hwaccmR3EnablePatching, 4, pVM, VMMGetCpuId(pVM), (RTRCPTR)pPatchMem, cbPatchMem); AssertRC(rc); return rc; } return hwaccmR3EnablePatching(pVM, VMMGetCpuId(pVM), (RTRCPTR)pPatchMem, cbPatchMem); } /** * Disable patching in a VT-x/AMD-V guest * * @returns VBox status code. * @param pVM The VM to operate on. * @param pPatchMem Patch memory range * @param cbPatchMem Size of the memory range */ VMMR3DECL(int) HWACMMR3DisablePatching(PVM pVM, RTGCPTR pPatchMem, unsigned cbPatchMem) { Log(("HWACMMR3DisablePatching %RGv size %x\n", pPatchMem, cbPatchMem)); Assert(pVM->hwaccm.s.pGuestPatchMem == pPatchMem); Assert(pVM->hwaccm.s.cbGuestPatchMem == cbPatchMem); /* @todo Potential deadlock when other VCPUs are waiting on the IOM lock (we own it)!! */ int rc = VMMR3EmtRendezvous(pVM, VMMEMTRENDEZVOUS_FLAGS_TYPE_ONE_BY_ONE, hwaccmR3RemovePatches, (void *)VMMGetCpuId(pVM)); AssertRC(rc); pVM->hwaccm.s.pGuestPatchMem = 0; pVM->hwaccm.s.pFreeGuestPatchMem = 0; pVM->hwaccm.s.cbGuestPatchMem = 0; pVM->hwaccm.s.fTPRPatchingActive = false; return VINF_SUCCESS; } /** * Callback to patch a TPR instruction (vmmcall or mov cr8) * * @returns VBox strict status code. * @param pVM The VM handle. * @param pVCpu The VMCPU for the EMT we're being called on. * @param pvUser User specified CPU context * */ DECLCALLBACK(VBOXSTRICTRC) hwaccmR3ReplaceTprInstr(PVM pVM, PVMCPU pVCpu, void *pvUser) { VMCPUID idCpu = (VMCPUID)(uintptr_t)pvUser; PCPUMCTX pCtx = CPUMQueryGuestCtxPtr(pVCpu); PDISCPUSTATE pDis = &pVCpu->hwaccm.s.DisState; unsigned cbOp; /* Only execute the handler on the VCPU the original patch request was issued. (the other CPU(s) might not yet have switched to protected mode) */ if (pVCpu->idCpu != idCpu) return VINF_SUCCESS; Log(("hwaccmR3ReplaceTprInstr: %RGv\n", pCtx->rip)); /* Two or more VCPUs were racing to patch this instruction. */ PHWACCMTPRPATCH pPatch = (PHWACCMTPRPATCH)RTAvloU32Get(&pVM->hwaccm.s.PatchTree, (AVLOU32KEY)pCtx->eip); if (pPatch) return VINF_SUCCESS; Assert(pVM->hwaccm.s.cPatches < RT_ELEMENTS(pVM->hwaccm.s.aPatches)); int rc = EMInterpretDisasOne(pVM, pVCpu, CPUMCTX2CORE(pCtx), pDis, &cbOp); AssertRC(rc); if ( rc == VINF_SUCCESS && pDis->pCurInstr->opcode == OP_MOV && cbOp >= 3) { uint8_t aVMMCall[3] = { 0xf, 0x1, 0xd9}; uint32_t idx = pVM->hwaccm.s.cPatches; pPatch = &pVM->hwaccm.s.aPatches[idx]; rc = PGMPhysSimpleReadGCPtr(pVCpu, pPatch->aOpcode, pCtx->rip, cbOp); AssertRC(rc); pPatch->cbOp = cbOp; if (pDis->param1.flags == USE_DISPLACEMENT32) { /* write. */ if (pDis->param2.flags == USE_REG_GEN32) { pPatch->enmType = HWACCMTPRINSTR_WRITE_REG; pPatch->uSrcOperand = pDis->param2.base.reg_gen; } else { Assert(pDis->param2.flags == USE_IMMEDIATE32); pPatch->enmType = HWACCMTPRINSTR_WRITE_IMM; pPatch->uSrcOperand = pDis->param2.parval; } rc = PGMPhysSimpleWriteGCPtr(pVCpu, pCtx->rip, aVMMCall, sizeof(aVMMCall)); AssertRC(rc); memcpy(pPatch->aNewOpcode, aVMMCall, sizeof(aVMMCall)); pPatch->cbNewOp = sizeof(aVMMCall); } else { RTGCPTR oldrip = pCtx->rip; uint32_t oldcbOp = cbOp; uint32_t uMmioReg = pDis->param1.base.reg_gen; /* read */ Assert(pDis->param1.flags == USE_REG_GEN32); /* Found: * mov eax, dword [fffe0080] (5 bytes) * Check if next instruction is: * shr eax, 4 */ pCtx->rip += cbOp; rc = EMInterpretDisasOne(pVM, pVCpu, CPUMCTX2CORE(pCtx), pDis, &cbOp); pCtx->rip = oldrip; if ( rc == VINF_SUCCESS && pDis->pCurInstr->opcode == OP_SHR && pDis->param1.flags == USE_REG_GEN32 && pDis->param1.base.reg_gen == uMmioReg && pDis->param2.flags == USE_IMMEDIATE8 && pDis->param2.parval == 4 && oldcbOp + cbOp < sizeof(pVM->hwaccm.s.aPatches[idx].aOpcode)) { uint8_t szInstr[15]; /* Replacing two instructions now. */ rc = PGMPhysSimpleReadGCPtr(pVCpu, &pPatch->aOpcode, pCtx->rip, oldcbOp + cbOp); AssertRC(rc); pPatch->cbOp = oldcbOp + cbOp; /* 0xF0, 0x0F, 0x20, 0xC0 = mov eax, cr8 */ szInstr[0] = 0xF0; szInstr[1] = 0x0F; szInstr[2] = 0x20; szInstr[3] = 0xC0 | pDis->param1.base.reg_gen; for (unsigned i = 4; i < pPatch->cbOp; i++) szInstr[i] = 0x90; /* nop */ rc = PGMPhysSimpleWriteGCPtr(pVCpu, pCtx->rip, szInstr, pPatch->cbOp); AssertRC(rc); memcpy(pPatch->aNewOpcode, szInstr, pPatch->cbOp); pPatch->cbNewOp = pPatch->cbOp; Log(("Acceptable read/shr candidate!\n")); pPatch->enmType = HWACCMTPRINSTR_READ_SHR4; } else { pPatch->enmType = HWACCMTPRINSTR_READ; pPatch->uDstOperand = pDis->param1.base.reg_gen; rc = PGMPhysSimpleWriteGCPtr(pVCpu, pCtx->rip, aVMMCall, sizeof(aVMMCall)); AssertRC(rc); memcpy(pPatch->aNewOpcode, aVMMCall, sizeof(aVMMCall)); pPatch->cbNewOp = sizeof(aVMMCall); } } pPatch->Core.Key = pCtx->eip; rc = RTAvloU32Insert(&pVM->hwaccm.s.PatchTree, &pPatch->Core); AssertRC(rc); pVM->hwaccm.s.cPatches++; STAM_COUNTER_INC(&pVM->hwaccm.s.StatTPRReplaceSuccess); return VINF_SUCCESS; } /* Save invalid patch, so we will not try again. */ uint32_t idx = pVM->hwaccm.s.cPatches; #ifdef LOG_ENABLED char szOutput[256]; rc = DBGFR3DisasInstrEx(pVM, pVCpu->idCpu, pCtx->cs, pCtx->rip, DBGF_DISAS_FLAGS_DEFAULT_MODE, szOutput, sizeof(szOutput), NULL); if (RT_SUCCESS(rc)) Log(("Failed to patch instr: %s\n", szOutput)); #endif pPatch = &pVM->hwaccm.s.aPatches[idx]; pPatch->Core.Key = pCtx->eip; pPatch->enmType = HWACCMTPRINSTR_INVALID; rc = RTAvloU32Insert(&pVM->hwaccm.s.PatchTree, &pPatch->Core); AssertRC(rc); pVM->hwaccm.s.cPatches++; STAM_COUNTER_INC(&pVM->hwaccm.s.StatTPRReplaceFailure); return VINF_SUCCESS; } /** * Callback to patch a TPR instruction (jump to generated code) * * @returns VBox strict status code. * @param pVM The VM handle. * @param pVCpu The VMCPU for the EMT we're being called on. * @param pvUser User specified CPU context * */ DECLCALLBACK(VBOXSTRICTRC) hwaccmR3PatchTprInstr(PVM pVM, PVMCPU pVCpu, void *pvUser) { VMCPUID idCpu = (VMCPUID)(uintptr_t)pvUser; PCPUMCTX pCtx = CPUMQueryGuestCtxPtr(pVCpu); PDISCPUSTATE pDis = &pVCpu->hwaccm.s.DisState; unsigned cbOp; int rc; #ifdef LOG_ENABLED RTGCPTR pInstr; char szOutput[256]; #endif /* Only execute the handler on the VCPU the original patch request was issued. (the other CPU(s) might not yet have switched to protected mode) */ if (pVCpu->idCpu != idCpu) return VINF_SUCCESS; Assert(pVM->hwaccm.s.cPatches < RT_ELEMENTS(pVM->hwaccm.s.aPatches)); /* Two or more VCPUs were racing to patch this instruction. */ PHWACCMTPRPATCH pPatch = (PHWACCMTPRPATCH)RTAvloU32Get(&pVM->hwaccm.s.PatchTree, (AVLOU32KEY)pCtx->eip); if (pPatch) { Log(("hwaccmR3PatchTprInstr: already patched %RGv\n", pCtx->rip)); return VINF_SUCCESS; } Log(("hwaccmR3PatchTprInstr %RGv\n", pCtx->rip)); rc = EMInterpretDisasOne(pVM, pVCpu, CPUMCTX2CORE(pCtx), pDis, &cbOp); AssertRC(rc); if ( rc == VINF_SUCCESS && pDis->pCurInstr->opcode == OP_MOV && cbOp >= 5) { uint32_t idx = pVM->hwaccm.s.cPatches; uint8_t aPatch[64]; uint32_t off = 0; pPatch = &pVM->hwaccm.s.aPatches[idx]; #ifdef LOG_ENABLED rc = DBGFR3DisasInstrEx(pVM, pVCpu->idCpu, pCtx->cs, pCtx->rip, DBGF_DISAS_FLAGS_DEFAULT_MODE, szOutput, sizeof(szOutput), NULL); if (RT_SUCCESS(rc)) Log(("Original instr: %s\n", szOutput)); #endif rc = PGMPhysSimpleReadGCPtr(pVCpu, pPatch->aOpcode, pCtx->rip, cbOp); AssertRC(rc); pPatch->cbOp = cbOp; pPatch->enmType = HWACCMTPRINSTR_JUMP_REPLACEMENT; if (pDis->param1.flags == USE_DISPLACEMENT32) { /* * TPR write: * * push ECX [51] * push EDX [52] * push EAX [50] * xor EDX,EDX [31 D2] * mov EAX,EAX [89 C0] * or * mov EAX,0000000CCh [B8 CC 00 00 00] * mov ECX,0C0000082h [B9 82 00 00 C0] * wrmsr [0F 30] * pop EAX [58] * pop EDX [5A] * pop ECX [59] * jmp return_address [E9 return_address] * */ bool fUsesEax = (pDis->param2.flags == USE_REG_GEN32 && pDis->param2.base.reg_gen == USE_REG_EAX); aPatch[off++] = 0x51; /* push ecx */ aPatch[off++] = 0x52; /* push edx */ if (!fUsesEax) aPatch[off++] = 0x50; /* push eax */ aPatch[off++] = 0x31; /* xor edx, edx */ aPatch[off++] = 0xD2; if (pDis->param2.flags == USE_REG_GEN32) { if (!fUsesEax) { aPatch[off++] = 0x89; /* mov eax, src_reg */ aPatch[off++] = MAKE_MODRM(3, pDis->param2.base.reg_gen, USE_REG_EAX); } } else { Assert(pDis->param2.flags == USE_IMMEDIATE32); aPatch[off++] = 0xB8; /* mov eax, immediate */ *(uint32_t *)&aPatch[off] = pDis->param2.parval; off += sizeof(uint32_t); } aPatch[off++] = 0xB9; /* mov ecx, 0xc0000082 */ *(uint32_t *)&aPatch[off] = MSR_K8_LSTAR; off += sizeof(uint32_t); aPatch[off++] = 0x0F; /* wrmsr */ aPatch[off++] = 0x30; if (!fUsesEax) aPatch[off++] = 0x58; /* pop eax */ aPatch[off++] = 0x5A; /* pop edx */ aPatch[off++] = 0x59; /* pop ecx */ } else { /* * TPR read: * * push ECX [51] * push EDX [52] * push EAX [50] * mov ECX,0C0000082h [B9 82 00 00 C0] * rdmsr [0F 32] * mov EAX,EAX [89 C0] * pop EAX [58] * pop EDX [5A] * pop ECX [59] * jmp return_address [E9 return_address] * */ Assert(pDis->param1.flags == USE_REG_GEN32); if (pDis->param1.base.reg_gen != USE_REG_ECX) aPatch[off++] = 0x51; /* push ecx */ if (pDis->param1.base.reg_gen != USE_REG_EDX) aPatch[off++] = 0x52; /* push edx */ if (pDis->param1.base.reg_gen != USE_REG_EAX) aPatch[off++] = 0x50; /* push eax */ aPatch[off++] = 0x31; /* xor edx, edx */ aPatch[off++] = 0xD2; aPatch[off++] = 0xB9; /* mov ecx, 0xc0000082 */ *(uint32_t *)&aPatch[off] = MSR_K8_LSTAR; off += sizeof(uint32_t); aPatch[off++] = 0x0F; /* rdmsr */ aPatch[off++] = 0x32; if (pDis->param1.base.reg_gen != USE_REG_EAX) { aPatch[off++] = 0x89; /* mov dst_reg, eax */ aPatch[off++] = MAKE_MODRM(3, USE_REG_EAX, pDis->param1.base.reg_gen); } if (pDis->param1.base.reg_gen != USE_REG_EAX) aPatch[off++] = 0x58; /* pop eax */ if (pDis->param1.base.reg_gen != USE_REG_EDX) aPatch[off++] = 0x5A; /* pop edx */ if (pDis->param1.base.reg_gen != USE_REG_ECX) aPatch[off++] = 0x59; /* pop ecx */ } aPatch[off++] = 0xE9; /* jmp return_address */ *(RTRCUINTPTR *)&aPatch[off] = ((RTRCUINTPTR)pCtx->eip + cbOp) - ((RTRCUINTPTR)pVM->hwaccm.s.pFreeGuestPatchMem + off + 4); off += sizeof(RTRCUINTPTR); if (pVM->hwaccm.s.pFreeGuestPatchMem + off <= pVM->hwaccm.s.pGuestPatchMem + pVM->hwaccm.s.cbGuestPatchMem) { /* Write new code to the patch buffer. */ rc = PGMPhysSimpleWriteGCPtr(pVCpu, pVM->hwaccm.s.pFreeGuestPatchMem, aPatch, off); AssertRC(rc); #ifdef LOG_ENABLED pInstr = pVM->hwaccm.s.pFreeGuestPatchMem; while (true) { uint32_t cb; rc = DBGFR3DisasInstrEx(pVM, pVCpu->idCpu, pCtx->cs, pInstr, DBGF_DISAS_FLAGS_DEFAULT_MODE, szOutput, sizeof(szOutput), &cb); if (RT_SUCCESS(rc)) Log(("Patch instr %s\n", szOutput)); pInstr += cb; if (pInstr >= pVM->hwaccm.s.pFreeGuestPatchMem + off) break; } #endif pPatch->aNewOpcode[0] = 0xE9; *(RTRCUINTPTR *)&pPatch->aNewOpcode[1] = ((RTRCUINTPTR)pVM->hwaccm.s.pFreeGuestPatchMem) - ((RTRCUINTPTR)pCtx->eip + 5); /* Overwrite the TPR instruction with a jump. */ rc = PGMPhysSimpleWriteGCPtr(pVCpu, pCtx->eip, pPatch->aNewOpcode, 5); AssertRC(rc); #ifdef LOG_ENABLED rc = DBGFR3DisasInstrEx(pVM, pVCpu->idCpu, pCtx->cs, pCtx->rip, DBGF_DISAS_FLAGS_DEFAULT_MODE, szOutput, sizeof(szOutput), NULL); if (RT_SUCCESS(rc)) Log(("Jump: %s\n", szOutput)); #endif pVM->hwaccm.s.pFreeGuestPatchMem += off; pPatch->cbNewOp = 5; pPatch->Core.Key = pCtx->eip; rc = RTAvloU32Insert(&pVM->hwaccm.s.PatchTree, &pPatch->Core); AssertRC(rc); pVM->hwaccm.s.cPatches++; pVM->hwaccm.s.fTPRPatchingActive = true; STAM_COUNTER_INC(&pVM->hwaccm.s.StatTPRPatchSuccess); return VINF_SUCCESS; } else Log(("Ran out of space in our patch buffer!\n")); } /* Save invalid patch, so we will not try again. */ uint32_t idx = pVM->hwaccm.s.cPatches; #ifdef LOG_ENABLED rc = DBGFR3DisasInstrEx(pVM, pVCpu->idCpu, pCtx->cs, pCtx->rip, DBGF_DISAS_FLAGS_DEFAULT_MODE, szOutput, sizeof(szOutput), NULL); if (RT_SUCCESS(rc)) Log(("Failed to patch instr: %s\n", szOutput)); #endif pPatch = &pVM->hwaccm.s.aPatches[idx]; pPatch->Core.Key = pCtx->eip; pPatch->enmType = HWACCMTPRINSTR_INVALID; rc = RTAvloU32Insert(&pVM->hwaccm.s.PatchTree, &pPatch->Core); AssertRC(rc); pVM->hwaccm.s.cPatches++; STAM_COUNTER_INC(&pVM->hwaccm.s.StatTPRPatchFailure); return VINF_SUCCESS; } /** * Attempt to patch TPR mmio instructions * * @returns VBox status code. * @param pVM The VM to operate on. * @param pVCpu The VM CPU to operate on. * @param pCtx CPU context */ VMMR3DECL(int) HWACCMR3PatchTprInstr(PVM pVM, PVMCPU pVCpu, PCPUMCTX pCtx) { int rc = VMMR3EmtRendezvous(pVM, VMMEMTRENDEZVOUS_FLAGS_TYPE_ONE_BY_ONE, (pVM->hwaccm.s.pGuestPatchMem) ? hwaccmR3PatchTprInstr : hwaccmR3ReplaceTprInstr, (void *)pVCpu->idCpu); AssertRC(rc); return rc; } /** * Force execution of the current IO code in the recompiler * * @returns VBox status code. * @param pVM The VM to operate on. * @param pCtx Partial VM execution context */ VMMR3DECL(int) HWACCMR3EmulateIoBlock(PVM pVM, PCPUMCTX pCtx) { PVMCPU pVCpu = VMMGetCpu(pVM); Assert(pVM->fHWACCMEnabled); Log(("HWACCMR3EmulateIoBlock\n")); /* This is primarily intended to speed up Grub, so we don't care about paged protected mode. */ if (HWACCMCanEmulateIoBlockEx(pCtx)) { Log(("HWACCMR3EmulateIoBlock -> enabled\n")); pVCpu->hwaccm.s.EmulateIoBlock.fEnabled = true; pVCpu->hwaccm.s.EmulateIoBlock.GCPtrFunctionEip = pCtx->rip; pVCpu->hwaccm.s.EmulateIoBlock.cr0 = pCtx->cr0; return VINF_EM_RESCHEDULE_REM; } return VINF_SUCCESS; } /** * Checks if we can currently use hardware accelerated raw mode. * * @returns boolean * @param pVM The VM to operate on. * @param pCtx Partial VM execution context */ VMMR3DECL(bool) HWACCMR3CanExecuteGuest(PVM pVM, PCPUMCTX pCtx) { PVMCPU pVCpu = VMMGetCpu(pVM); Assert(pVM->fHWACCMEnabled); /* If we're still executing the IO code, then return false. */ if ( RT_UNLIKELY(pVCpu->hwaccm.s.EmulateIoBlock.fEnabled) && pCtx->rip < pVCpu->hwaccm.s.EmulateIoBlock.GCPtrFunctionEip + 0x200 && pCtx->rip > pVCpu->hwaccm.s.EmulateIoBlock.GCPtrFunctionEip - 0x200 && pCtx->cr0 == pVCpu->hwaccm.s.EmulateIoBlock.cr0) return false; pVCpu->hwaccm.s.EmulateIoBlock.fEnabled = false; /* AMD-V supports real & protected mode with or without paging. */ if (pVM->hwaccm.s.svm.fEnabled) { pVCpu->hwaccm.s.fActive = true; return true; } pVCpu->hwaccm.s.fActive = false; /* Note! The context supplied by REM is partial. If we add more checks here, be sure to verify that REM provides this info! */ Assert((pVM->hwaccm.s.vmx.fUnrestrictedGuest && !pVM->hwaccm.s.vmx.pRealModeTSS) || (!pVM->hwaccm.s.vmx.fUnrestrictedGuest && pVM->hwaccm.s.vmx.pRealModeTSS)); bool fSupportsRealMode = pVM->hwaccm.s.vmx.fUnrestrictedGuest || PDMVMMDevHeapIsEnabled(pVM); if (!pVM->hwaccm.s.vmx.fUnrestrictedGuest) { /** The VMM device heap is a requirement for emulating real mode or protected mode without paging when the unrestricted guest execution feature is missing. */ if (fSupportsRealMode) { if (CPUMIsGuestInRealModeEx(pCtx)) { /* VT-x will not allow high selector bases in v86 mode; fall back to the recompiler in that case. * The base must also be equal to (sel << 4). */ if ( ( pCtx->cs != (pCtx->csHid.u64Base >> 4) && pCtx->csHid.u64Base != 0xffff0000 /* we can deal with the BIOS code as it's also mapped into the lower region. */) || pCtx->ds != (pCtx->dsHid.u64Base >> 4) || pCtx->es != (pCtx->esHid.u64Base >> 4) || pCtx->fs != (pCtx->fsHid.u64Base >> 4) || pCtx->gs != (pCtx->gsHid.u64Base >> 4) || pCtx->ss != (pCtx->ssHid.u64Base >> 4)) { return false; } } else { PGMMODE enmGuestMode = PGMGetGuestMode(pVCpu); /* 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) */ if ( pVCpu->hwaccm.s.vmx.enmLastSeenGuestMode == PGMMODE_REAL && enmGuestMode >= PGMMODE_PROTECTED) { if ( (pCtx->cs & X86_SEL_RPL) || (pCtx->ds & X86_SEL_RPL) || (pCtx->es & X86_SEL_RPL) || (pCtx->fs & X86_SEL_RPL) || (pCtx->gs & X86_SEL_RPL) || (pCtx->ss & X86_SEL_RPL)) { return false; } } /* VT-x also chokes on invalid tr or ldtr selectors (minix) */ if ( pCtx->tr > pCtx->gdtr.cbGdt || pCtx->ldtr > pCtx->gdtr.cbGdt) { return false; } } } else { if ( !CPUMIsGuestInLongModeEx(pCtx) && !pVM->hwaccm.s.vmx.fUnrestrictedGuest) { /** @todo This should (probably) be set on every excursion to the REM, * however it's too risky right now. So, only apply it when we go * back to REM for real mode execution. (The XP hack below doesn't * work reliably without this.) * Update: Implemented in EM.cpp, see #ifdef EM_NOTIFY_HWACCM. */ pVM->aCpus[0].hwaccm.s.fContextUseFlags |= HWACCM_CHANGED_ALL_GUEST; if ( !pVM->hwaccm.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 == 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) */ if (pCtx->csHid.Attr.n.u1Present == 0) return false; if (pCtx->ssHid.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->ssHid.u32Limit) return false; #if 0 if ( pCtx->cs >= pCtx->gdtr.cbGdt || pCtx->ss >= pCtx->gdtr.cbGdt || pCtx->ds >= pCtx->gdtr.cbGdt || pCtx->es >= pCtx->gdtr.cbGdt || pCtx->fs >= pCtx->gdtr.cbGdt || pCtx->gs >= pCtx->gdtr.cbGdt) return false; #endif } } } if (pVM->hwaccm.s.vmx.fEnabled) { uint32_t mask; /* if bit N is set in cr0_fixed0, then it must be set in the guest's cr0. */ mask = (uint32_t)pVM->hwaccm.s.vmx.msr.vmx_cr0_fixed0; /* Note: We ignore the NE bit here on purpose; see vmmr0\hwaccmr0.cpp for details. */ mask &= ~X86_CR0_NE; if (fSupportsRealMode) { /* Note: We ignore the PE & PG bits here on purpose; we emulate real and protected mode without paging. */ mask &= ~(X86_CR0_PG|X86_CR0_PE); } else { /* We support protected mode without paging using identity mapping. */ mask &= ~X86_CR0_PG; } if ((pCtx->cr0 & mask) != mask) return false; /* if bit N is cleared in cr0_fixed1, then it must be zero in the guest's cr0. */ mask = (uint32_t)~pVM->hwaccm.s.vmx.msr.vmx_cr0_fixed1; if ((pCtx->cr0 & mask) != 0) return false; /* if bit N is set in cr4_fixed0, then it must be set in the guest's cr4. */ mask = (uint32_t)pVM->hwaccm.s.vmx.msr.vmx_cr4_fixed0; mask &= ~X86_CR4_VMXE; if ((pCtx->cr4 & mask) != mask) return false; /* if bit N is cleared in cr4_fixed1, then it must be zero in the guest's cr4. */ mask = (uint32_t)~pVM->hwaccm.s.vmx.msr.vmx_cr4_fixed1; if ((pCtx->cr4 & mask) != 0) return false; pVCpu->hwaccm.s.fActive = true; return true; } return false; } /** * Checks if we need to reschedule due to VMM device heap changes * * @returns boolean * @param pVM The VM to operate on. * @param pCtx VM execution context */ VMMR3DECL(bool) HWACCMR3IsRescheduleRequired(PVM pVM, PCPUMCTX pCtx) { /** The VMM device heap is a requirement for emulating real mode or protected mode without paging when the unrestricted guest execution feature is missing. (VT-x only) */ if ( pVM->hwaccm.s.vmx.fEnabled && !CPUMIsGuestInPagedProtectedModeEx(pCtx) && !PDMVMMDevHeapIsEnabled(pVM) && (pVM->hwaccm.s.fNestedPaging || CPUMIsGuestInRealModeEx(pCtx))) return true; return false; } /** * Notifcation from EM about a rescheduling into hardware assisted execution * mode. * * @param pVCpu Pointer to the current virtual cpu structure. */ VMMR3DECL(void) HWACCMR3NotifyScheduled(PVMCPU pVCpu) { pVCpu->hwaccm.s.fContextUseFlags |= HWACCM_CHANGED_ALL_GUEST; } /** * Notifcation from EM about returning from instruction emulation (REM / EM). * * @param pVCpu Pointer to the current virtual cpu structure. */ VMMR3DECL(void) HWACCMR3NotifyEmulated(PVMCPU pVCpu) { pVCpu->hwaccm.s.fContextUseFlags |= HWACCM_CHANGED_ALL_GUEST; } /** * Checks if we are currently using hardware accelerated raw mode. * * @returns boolean * @param pVCpu The VMCPU to operate on. */ VMMR3DECL(bool) HWACCMR3IsActive(PVMCPU pVCpu) { return pVCpu->hwaccm.s.fActive; } /** * Checks if we are currently using nested paging. * * @returns boolean * @param pVM The VM to operate on. */ VMMR3DECL(bool) HWACCMR3IsNestedPagingActive(PVM pVM) { return pVM->hwaccm.s.fNestedPaging; } /** * Checks if we are currently using VPID in VT-x mode. * * @returns boolean * @param pVM The VM to operate on. */ VMMR3DECL(bool) HWACCMR3IsVPIDActive(PVM pVM) { return pVM->hwaccm.s.vmx.fVPID; } /** * Checks if internal events are pending. In that case we are not allowed to dispatch interrupts. * * @returns boolean * @param pVM The VM to operate on. */ VMMR3DECL(bool) HWACCMR3IsEventPending(PVMCPU pVCpu) { return HWACCMIsEnabled(pVCpu->pVMR3) && pVCpu->hwaccm.s.Event.fPending; } /** * Checks if the VMX-preemption timer is being used. * * @returns true if it is, false if it isn't. * @param pVM The VM handle. */ VMMR3DECL(bool) HWACCMR3IsVmxPreemptionTimerUsed(PVM pVM) { return HWACCMIsEnabled(pVM) && pVM->hwaccm.s.vmx.fEnabled && pVM->hwaccm.s.vmx.fUsePreemptTimer; } /** * Restart an I/O instruction that was refused in ring-0 * * @returns Strict VBox status code. Informational status codes other than the one documented * here are to be treated as internal failure. Use IOM_SUCCESS() to check for success. * @retval VINF_SUCCESS Success. * @retval VINF_EM_FIRST-VINF_EM_LAST Success with some exceptions (see IOM_SUCCESS()), the * status code must be passed on to EM. * @retval VERR_NOT_FOUND if no pending I/O instruction. * * @param pVM The VM to operate on. * @param pVCpu The VMCPU to operate on. * @param pCtx VCPU register context */ VMMR3DECL(VBOXSTRICTRC) HWACCMR3RestartPendingIOInstr(PVM pVM, PVMCPU pVCpu, PCPUMCTX pCtx) { HWACCMPENDINGIO enmType = pVCpu->hwaccm.s.PendingIO.enmType; pVCpu->hwaccm.s.PendingIO.enmType = HWACCMPENDINGIO_INVALID; if ( pVCpu->hwaccm.s.PendingIO.GCPtrRip != pCtx->rip || enmType == HWACCMPENDINGIO_INVALID) return VERR_NOT_FOUND; VBOXSTRICTRC rcStrict; switch (enmType) { case HWACCMPENDINGIO_PORT_READ: { uint32_t uAndVal = pVCpu->hwaccm.s.PendingIO.s.Port.uAndVal; uint32_t u32Val = 0; rcStrict = IOMIOPortRead(pVM, pVCpu->hwaccm.s.PendingIO.s.Port.uPort, &u32Val, pVCpu->hwaccm.s.PendingIO.s.Port.cbSize); if (IOM_SUCCESS(rcStrict)) { /* Write back to the EAX register. */ pCtx->eax = (pCtx->eax & ~uAndVal) | (u32Val & uAndVal); pCtx->rip = pVCpu->hwaccm.s.PendingIO.GCPtrRipNext; } break; } case HWACCMPENDINGIO_PORT_WRITE: rcStrict = IOMIOPortWrite(pVM, pVCpu->hwaccm.s.PendingIO.s.Port.uPort, pCtx->eax & pVCpu->hwaccm.s.PendingIO.s.Port.uAndVal, pVCpu->hwaccm.s.PendingIO.s.Port.cbSize); if (IOM_SUCCESS(rcStrict)) pCtx->rip = pVCpu->hwaccm.s.PendingIO.GCPtrRipNext; break; default: AssertFailed(); return VERR_INTERNAL_ERROR; } return rcStrict; } /** * Inject an NMI into a running VM (only VCPU 0!) * * @returns boolean * @param pVM The VM to operate on. */ VMMR3DECL(int) HWACCMR3InjectNMI(PVM pVM) { VMCPU_FF_SET(&pVM->aCpus[0], VMCPU_FF_INTERRUPT_NMI); return VINF_SUCCESS; } /** * Check fatal VT-x/AMD-V error and produce some meaningful * log release message. * * @param pVM The VM to operate on. * @param iStatusCode VBox status code */ VMMR3DECL(void) HWACCMR3CheckError(PVM pVM, int iStatusCode) { for (VMCPUID i = 0; i < pVM->cCpus; i++) { switch(iStatusCode) { case VERR_VMX_INVALID_VMCS_FIELD: break; case VERR_VMX_INVALID_VMCS_PTR: LogRel(("VERR_VMX_INVALID_VMCS_PTR: CPU%d Current pointer %RGp vs %RGp\n", i, pVM->aCpus[i].hwaccm.s.vmx.lasterror.u64VMCSPhys, pVM->aCpus[i].hwaccm.s.vmx.pVMCSPhys)); LogRel(("VERR_VMX_INVALID_VMCS_PTR: CPU%d Current VMCS version %x\n", i, pVM->aCpus[i].hwaccm.s.vmx.lasterror.ulVMCSRevision)); LogRel(("VERR_VMX_INVALID_VMCS_PTR: CPU%d Entered Cpu %d\n", i, pVM->aCpus[i].hwaccm.s.vmx.lasterror.idEnteredCpu)); LogRel(("VERR_VMX_INVALID_VMCS_PTR: CPU%d Current Cpu %d\n", i, pVM->aCpus[i].hwaccm.s.vmx.lasterror.idCurrentCpu)); break; case VERR_VMX_UNABLE_TO_START_VM: LogRel(("VERR_VMX_UNABLE_TO_START_VM: CPU%d instruction error %x\n", i, pVM->aCpus[i].hwaccm.s.vmx.lasterror.ulInstrError)); LogRel(("VERR_VMX_UNABLE_TO_START_VM: CPU%d exit reason %x\n", i, pVM->aCpus[i].hwaccm.s.vmx.lasterror.ulExitReason)); #if 0 /* @todo dump the current control fields to the release log */ if (pVM->aCpus[i].hwaccm.s.vmx.lasterror.ulInstrError == VMX_ERROR_VMENTRY_INVALID_CONTROL_FIELDS) { } #endif break; case VERR_VMX_UNABLE_TO_RESUME_VM: LogRel(("VERR_VMX_UNABLE_TO_RESUME_VM: CPU%d instruction error %x\n", i, pVM->aCpus[i].hwaccm.s.vmx.lasterror.ulInstrError)); LogRel(("VERR_VMX_UNABLE_TO_RESUME_VM: CPU%d exit reason %x\n", i, pVM->aCpus[i].hwaccm.s.vmx.lasterror.ulExitReason)); break; case VERR_VMX_INVALID_VMXON_PTR: break; } } } /** * Execute state save operation. * * @returns VBox status code. * @param pVM VM Handle. * @param pSSM SSM operation handle. */ static DECLCALLBACK(int) hwaccmR3Save(PVM pVM, PSSMHANDLE pSSM) { int rc; Log(("hwaccmR3Save:\n")); for (VMCPUID i = 0; i < pVM->cCpus; i++) { /* * Save the basic bits - fortunately all the other things can be resynced on load. */ rc = SSMR3PutU32(pSSM, pVM->aCpus[i].hwaccm.s.Event.fPending); AssertRCReturn(rc, rc); rc = SSMR3PutU32(pSSM, pVM->aCpus[i].hwaccm.s.Event.errCode); AssertRCReturn(rc, rc); rc = SSMR3PutU64(pSSM, pVM->aCpus[i].hwaccm.s.Event.intInfo); AssertRCReturn(rc, rc); rc = SSMR3PutU32(pSSM, pVM->aCpus[i].hwaccm.s.vmx.enmLastSeenGuestMode); AssertRCReturn(rc, rc); rc = SSMR3PutU32(pSSM, pVM->aCpus[i].hwaccm.s.vmx.enmCurrGuestMode); AssertRCReturn(rc, rc); rc = SSMR3PutU32(pSSM, pVM->aCpus[i].hwaccm.s.vmx.enmPrevGuestMode); AssertRCReturn(rc, rc); } #ifdef VBOX_HWACCM_WITH_GUEST_PATCHING rc = SSMR3PutGCPtr(pSSM, pVM->hwaccm.s.pGuestPatchMem); AssertRCReturn(rc, rc); rc = SSMR3PutGCPtr(pSSM, pVM->hwaccm.s.pFreeGuestPatchMem); AssertRCReturn(rc, rc); rc = SSMR3PutU32(pSSM, pVM->hwaccm.s.cbGuestPatchMem); AssertRCReturn(rc, rc); /* Store all the guest patch records too. */ rc = SSMR3PutU32(pSSM, pVM->hwaccm.s.cPatches); AssertRCReturn(rc, rc); for (unsigned i = 0; i < pVM->hwaccm.s.cPatches; i++) { PHWACCMTPRPATCH pPatch = &pVM->hwaccm.s.aPatches[i]; rc = SSMR3PutU32(pSSM, pPatch->Core.Key); AssertRCReturn(rc, rc); rc = SSMR3PutMem(pSSM, pPatch->aOpcode, sizeof(pPatch->aOpcode)); AssertRCReturn(rc, rc); rc = SSMR3PutU32(pSSM, pPatch->cbOp); AssertRCReturn(rc, rc); rc = SSMR3PutMem(pSSM, pPatch->aNewOpcode, sizeof(pPatch->aNewOpcode)); AssertRCReturn(rc, rc); rc = SSMR3PutU32(pSSM, pPatch->cbNewOp); AssertRCReturn(rc, rc); AssertCompileSize(HWACCMTPRINSTR, 4); rc = SSMR3PutU32(pSSM, (uint32_t)pPatch->enmType); AssertRCReturn(rc, rc); rc = SSMR3PutU32(pSSM, pPatch->uSrcOperand); AssertRCReturn(rc, rc); rc = SSMR3PutU32(pSSM, pPatch->uDstOperand); AssertRCReturn(rc, rc); rc = SSMR3PutU32(pSSM, pPatch->pJumpTarget); AssertRCReturn(rc, rc); rc = SSMR3PutU32(pSSM, pPatch->cFaults); AssertRCReturn(rc, rc); } #endif return VINF_SUCCESS; } /** * Execute state load operation. * * @returns VBox status code. * @param pVM VM Handle. * @param pSSM SSM operation handle. * @param uVersion Data layout version. * @param uPass The data pass. */ static DECLCALLBACK(int) hwaccmR3Load(PVM pVM, PSSMHANDLE pSSM, uint32_t uVersion, uint32_t uPass) { int rc; Log(("hwaccmR3Load:\n")); Assert(uPass == SSM_PASS_FINAL); NOREF(uPass); /* * Validate version. */ if ( uVersion != HWACCM_SSM_VERSION && uVersion != HWACCM_SSM_VERSION_NO_PATCHING && uVersion != HWACCM_SSM_VERSION_2_0_X) { AssertMsgFailed(("hwaccmR3Load: Invalid version uVersion=%d!\n", uVersion)); return VERR_SSM_UNSUPPORTED_DATA_UNIT_VERSION; } for (VMCPUID i = 0; i < pVM->cCpus; i++) { rc = SSMR3GetU32(pSSM, &pVM->aCpus[i].hwaccm.s.Event.fPending); AssertRCReturn(rc, rc); rc = SSMR3GetU32(pSSM, &pVM->aCpus[i].hwaccm.s.Event.errCode); AssertRCReturn(rc, rc); rc = SSMR3GetU64(pSSM, &pVM->aCpus[i].hwaccm.s.Event.intInfo); AssertRCReturn(rc, rc); if (uVersion >= HWACCM_SSM_VERSION_NO_PATCHING) { uint32_t val; rc = SSMR3GetU32(pSSM, &val); AssertRCReturn(rc, rc); pVM->aCpus[i].hwaccm.s.vmx.enmLastSeenGuestMode = (PGMMODE)val; rc = SSMR3GetU32(pSSM, &val); AssertRCReturn(rc, rc); pVM->aCpus[i].hwaccm.s.vmx.enmCurrGuestMode = (PGMMODE)val; rc = SSMR3GetU32(pSSM, &val); AssertRCReturn(rc, rc); pVM->aCpus[i].hwaccm.s.vmx.enmPrevGuestMode = (PGMMODE)val; } } #ifdef VBOX_HWACCM_WITH_GUEST_PATCHING if (uVersion > HWACCM_SSM_VERSION_NO_PATCHING) { rc = SSMR3GetGCPtr(pSSM, &pVM->hwaccm.s.pGuestPatchMem); AssertRCReturn(rc, rc); rc = SSMR3GetGCPtr(pSSM, &pVM->hwaccm.s.pFreeGuestPatchMem); AssertRCReturn(rc, rc); rc = SSMR3GetU32(pSSM, &pVM->hwaccm.s.cbGuestPatchMem); AssertRCReturn(rc, rc); /* Fetch all TPR patch records. */ rc = SSMR3GetU32(pSSM, &pVM->hwaccm.s.cPatches); AssertRCReturn(rc, rc); for (unsigned i = 0; i < pVM->hwaccm.s.cPatches; i++) { PHWACCMTPRPATCH pPatch = &pVM->hwaccm.s.aPatches[i]; rc = SSMR3GetU32(pSSM, &pPatch->Core.Key); AssertRCReturn(rc, rc); rc = SSMR3GetMem(pSSM, pPatch->aOpcode, sizeof(pPatch->aOpcode)); AssertRCReturn(rc, rc); rc = SSMR3GetU32(pSSM, &pPatch->cbOp); AssertRCReturn(rc, rc); rc = SSMR3GetMem(pSSM, pPatch->aNewOpcode, sizeof(pPatch->aNewOpcode)); AssertRCReturn(rc, rc); rc = SSMR3GetU32(pSSM, &pPatch->cbNewOp); AssertRCReturn(rc, rc); rc = SSMR3GetU32(pSSM, (uint32_t *)&pPatch->enmType); AssertRCReturn(rc, rc); if (pPatch->enmType == HWACCMTPRINSTR_JUMP_REPLACEMENT) pVM->hwaccm.s.fTPRPatchingActive = true; Assert(pPatch->enmType == HWACCMTPRINSTR_JUMP_REPLACEMENT || pVM->hwaccm.s.fTPRPatchingActive == false); rc = SSMR3GetU32(pSSM, &pPatch->uSrcOperand); AssertRCReturn(rc, rc); rc = SSMR3GetU32(pSSM, &pPatch->uDstOperand); AssertRCReturn(rc, rc); rc = SSMR3GetU32(pSSM, &pPatch->cFaults); AssertRCReturn(rc, rc); rc = SSMR3GetU32(pSSM, &pPatch->pJumpTarget); AssertRCReturn(rc, rc); Log(("hwaccmR3Load: patch %d\n", i)); Log(("Key = %x\n", pPatch->Core.Key)); Log(("cbOp = %d\n", pPatch->cbOp)); Log(("cbNewOp = %d\n", pPatch->cbNewOp)); Log(("type = %d\n", pPatch->enmType)); Log(("srcop = %d\n", pPatch->uSrcOperand)); Log(("dstop = %d\n", pPatch->uDstOperand)); Log(("cFaults = %d\n", pPatch->cFaults)); Log(("target = %x\n", pPatch->pJumpTarget)); rc = RTAvloU32Insert(&pVM->hwaccm.s.PatchTree, &pPatch->Core); AssertRC(rc); } } #endif /* Recheck all VCPUs if we can go staight into hwaccm execution mode. */ if (HWACCMIsEnabled(pVM)) { for (VMCPUID i = 0; i < pVM->cCpus; i++) { PVMCPU pVCpu = &pVM->aCpus[i]; HWACCMR3CanExecuteGuest(pVM, CPUMQueryGuestCtxPtr(pVCpu)); } } return VINF_SUCCESS; }