VirtualBox

source: vbox/trunk/src/VBox/VMM/VMMR3/HWACCM.cpp@ 39333

Last change on this file since 39333 was 39078, checked in by vboxsync, 13 years ago

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1/* $Id: HWACCM.cpp 39078 2011-10-21 14:18:22Z vboxsync $ */
2/** @file
3 * HWACCM - Intel/AMD VM Hardware Support Manager
4 */
5
6/*
7 * Copyright (C) 2006-2007 Oracle Corporation
8 *
9 * This file is part of VirtualBox Open Source Edition (OSE), as
10 * available from http://www.virtualbox.org. This file is free software;
11 * you can redistribute it and/or modify it under the terms of the GNU
12 * General Public License (GPL) as published by the Free Software
13 * Foundation, in version 2 as it comes in the "COPYING" file of the
14 * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
15 * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
16 */
17
18/*******************************************************************************
19* Header Files *
20*******************************************************************************/
21#define LOG_GROUP LOG_GROUP_HWACCM
22#include <VBox/vmm/cpum.h>
23#include <VBox/vmm/stam.h>
24#include <VBox/vmm/mm.h>
25#include <VBox/vmm/pdmapi.h>
26#include <VBox/vmm/pgm.h>
27#include <VBox/vmm/ssm.h>
28#include <VBox/vmm/trpm.h>
29#include <VBox/vmm/dbgf.h>
30#include <VBox/vmm/iom.h>
31#include <VBox/vmm/patm.h>
32#include <VBox/vmm/csam.h>
33#include <VBox/vmm/selm.h>
34#include <VBox/vmm/rem.h>
35#include <VBox/vmm/hwacc_vmx.h>
36#include <VBox/vmm/hwacc_svm.h>
37#include "HWACCMInternal.h"
38#include <VBox/vmm/vm.h>
39#include <VBox/err.h>
40#include <VBox/param.h>
41
42#include <iprt/assert.h>
43#include <VBox/log.h>
44#include <iprt/asm.h>
45#include <iprt/asm-amd64-x86.h>
46#include <iprt/string.h>
47#include <iprt/env.h>
48#include <iprt/thread.h>
49
50/*******************************************************************************
51* Global Variables *
52*******************************************************************************/
53#ifdef VBOX_WITH_STATISTICS
54# define EXIT_REASON(def, val, str) #def " - " #val " - " str
55# define EXIT_REASON_NIL() NULL
56/** Exit reason descriptions for VT-x, used to describe statistics. */
57static const char * const g_apszVTxExitReasons[MAX_EXITREASON_STAT] =
58{
59 EXIT_REASON(VMX_EXIT_EXCEPTION , 0, "Exception or non-maskable interrupt (NMI)."),
60 EXIT_REASON(VMX_EXIT_EXTERNAL_IRQ , 1, "External interrupt."),
61 EXIT_REASON(VMX_EXIT_TRIPLE_FAULT , 2, "Triple fault."),
62 EXIT_REASON(VMX_EXIT_INIT_SIGNAL , 3, "INIT signal."),
63 EXIT_REASON(VMX_EXIT_SIPI , 4, "Start-up IPI (SIPI)."),
64 EXIT_REASON(VMX_EXIT_IO_SMI_IRQ , 5, "I/O system-management interrupt (SMI)."),
65 EXIT_REASON(VMX_EXIT_SMI_IRQ , 6, "Other SMI."),
66 EXIT_REASON(VMX_EXIT_IRQ_WINDOW , 7, "Interrupt window."),
67 EXIT_REASON_NIL(),
68 EXIT_REASON(VMX_EXIT_TASK_SWITCH , 9, "Task switch."),
69 EXIT_REASON(VMX_EXIT_CPUID , 10, "Guest software attempted to execute CPUID."),
70 EXIT_REASON_NIL(),
71 EXIT_REASON(VMX_EXIT_HLT , 12, "Guest software attempted to execute HLT."),
72 EXIT_REASON(VMX_EXIT_INVD , 13, "Guest software attempted to execute INVD."),
73 EXIT_REASON(VMX_EXIT_INVPG , 14, "Guest software attempted to execute INVPG."),
74 EXIT_REASON(VMX_EXIT_RDPMC , 15, "Guest software attempted to execute RDPMC."),
75 EXIT_REASON(VMX_EXIT_RDTSC , 16, "Guest software attempted to execute RDTSC."),
76 EXIT_REASON(VMX_EXIT_RSM , 17, "Guest software attempted to execute RSM in SMM."),
77 EXIT_REASON(VMX_EXIT_VMCALL , 18, "Guest software executed VMCALL."),
78 EXIT_REASON(VMX_EXIT_VMCLEAR , 19, "Guest software executed VMCLEAR."),
79 EXIT_REASON(VMX_EXIT_VMLAUNCH , 20, "Guest software executed VMLAUNCH."),
80 EXIT_REASON(VMX_EXIT_VMPTRLD , 21, "Guest software executed VMPTRLD."),
81 EXIT_REASON(VMX_EXIT_VMPTRST , 22, "Guest software executed VMPTRST."),
82 EXIT_REASON(VMX_EXIT_VMREAD , 23, "Guest software executed VMREAD."),
83 EXIT_REASON(VMX_EXIT_VMRESUME , 24, "Guest software executed VMRESUME."),
84 EXIT_REASON(VMX_EXIT_VMWRITE , 25, "Guest software executed VMWRITE."),
85 EXIT_REASON(VMX_EXIT_VMXOFF , 26, "Guest software executed VMXOFF."),
86 EXIT_REASON(VMX_EXIT_VMXON , 27, "Guest software executed VMXON."),
87 EXIT_REASON(VMX_EXIT_CRX_MOVE , 28, "Control-register accesses."),
88 EXIT_REASON(VMX_EXIT_DRX_MOVE , 29, "Debug-register accesses."),
89 EXIT_REASON(VMX_EXIT_PORT_IO , 30, "I/O instruction."),
90 EXIT_REASON(VMX_EXIT_RDMSR , 31, "RDMSR. Guest software attempted to execute RDMSR."),
91 EXIT_REASON(VMX_EXIT_WRMSR , 32, "WRMSR. Guest software attempted to execute WRMSR."),
92 EXIT_REASON(VMX_EXIT_ERR_INVALID_GUEST_STATE, 33, "VM-entry failure due to invalid guest state."),
93 EXIT_REASON(VMX_EXIT_ERR_MSR_LOAD , 34, "VM-entry failure due to MSR loading."),
94 EXIT_REASON_NIL(),
95 EXIT_REASON(VMX_EXIT_MWAIT , 36, "Guest software executed MWAIT."),
96 EXIT_REASON_NIL(),
97 EXIT_REASON_NIL(),
98 EXIT_REASON(VMX_EXIT_MONITOR , 39, "Guest software attempted to execute MONITOR."),
99 EXIT_REASON(VMX_EXIT_PAUSE , 40, "Guest software attempted to execute PAUSE."),
100 EXIT_REASON(VMX_EXIT_ERR_MACHINE_CHECK , 41, "VM-entry failure due to machine-check."),
101 EXIT_REASON_NIL(),
102 EXIT_REASON(VMX_EXIT_TPR , 43, "TPR below threshold. Guest software executed MOV to CR8."),
103 EXIT_REASON(VMX_EXIT_APIC_ACCESS , 44, "APIC access. Guest software attempted to access memory at a physical address on the APIC-access page."),
104 EXIT_REASON_NIL(),
105 EXIT_REASON(VMX_EXIT_XDTR_ACCESS , 46, "Access to GDTR or IDTR. Guest software attempted to execute LGDT, LIDT, SGDT, or SIDT."),
106 EXIT_REASON(VMX_EXIT_TR_ACCESS , 47, "Access to LDTR or TR. Guest software attempted to execute LLDT, LTR, SLDT, or STR."),
107 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."),
108 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."),
109 EXIT_REASON(VMX_EXIT_INVEPT , 50, "INVEPT. Guest software attempted to execute INVEPT."),
110 EXIT_REASON_NIL(),
111 EXIT_REASON(VMX_EXIT_PREEMPTION_TIMER , 52, "VMX-preemption timer expired. The preemption timer counted down to zero."),
112 EXIT_REASON(VMX_EXIT_INVVPID , 53, "INVVPID. Guest software attempted to execute INVVPID."),
113 EXIT_REASON(VMX_EXIT_WBINVD , 54, "WBINVD. Guest software attempted to execute WBINVD."),
114 EXIT_REASON(VMX_EXIT_XSETBV , 55, "XSETBV. Guest software attempted to execute XSETBV."),
115 EXIT_REASON_NIL()
116};
117/** Exit reason descriptions for AMD-V, used to describe statistics. */
118static const char * const g_apszAmdVExitReasons[MAX_EXITREASON_STAT] =
119{
120 EXIT_REASON(SVM_EXIT_READ_CR0 , 0, "Read CR0."),
121 EXIT_REASON(SVM_EXIT_READ_CR1 , 1, "Read CR1."),
122 EXIT_REASON(SVM_EXIT_READ_CR2 , 2, "Read CR2."),
123 EXIT_REASON(SVM_EXIT_READ_CR3 , 3, "Read CR3."),
124 EXIT_REASON(SVM_EXIT_READ_CR4 , 4, "Read CR4."),
125 EXIT_REASON(SVM_EXIT_READ_CR5 , 5, "Read CR5."),
126 EXIT_REASON(SVM_EXIT_READ_CR6 , 6, "Read CR6."),
127 EXIT_REASON(SVM_EXIT_READ_CR7 , 7, "Read CR7."),
128 EXIT_REASON(SVM_EXIT_READ_CR8 , 8, "Read CR8."),
129 EXIT_REASON(SVM_EXIT_READ_CR9 , 9, "Read CR9."),
130 EXIT_REASON(SVM_EXIT_READ_CR10 , 10, "Read CR10."),
131 EXIT_REASON(SVM_EXIT_READ_CR11 , 11, "Read CR11."),
132 EXIT_REASON(SVM_EXIT_READ_CR12 , 12, "Read CR12."),
133 EXIT_REASON(SVM_EXIT_READ_CR13 , 13, "Read CR13."),
134 EXIT_REASON(SVM_EXIT_READ_CR14 , 14, "Read CR14."),
135 EXIT_REASON(SVM_EXIT_READ_CR15 , 15, "Read CR15."),
136 EXIT_REASON(SVM_EXIT_WRITE_CR0 , 16, "Write CR0."),
137 EXIT_REASON(SVM_EXIT_WRITE_CR1 , 17, "Write CR1."),
138 EXIT_REASON(SVM_EXIT_WRITE_CR2 , 18, "Write CR2."),
139 EXIT_REASON(SVM_EXIT_WRITE_CR3 , 19, "Write CR3."),
140 EXIT_REASON(SVM_EXIT_WRITE_CR4 , 20, "Write CR4."),
141 EXIT_REASON(SVM_EXIT_WRITE_CR5 , 21, "Write CR5."),
142 EXIT_REASON(SVM_EXIT_WRITE_CR6 , 22, "Write CR6."),
143 EXIT_REASON(SVM_EXIT_WRITE_CR7 , 23, "Write CR7."),
144 EXIT_REASON(SVM_EXIT_WRITE_CR8 , 24, "Write CR8."),
145 EXIT_REASON(SVM_EXIT_WRITE_CR9 , 25, "Write CR9."),
146 EXIT_REASON(SVM_EXIT_WRITE_CR10 , 26, "Write CR10."),
147 EXIT_REASON(SVM_EXIT_WRITE_CR11 , 27, "Write CR11."),
148 EXIT_REASON(SVM_EXIT_WRITE_CR12 , 28, "Write CR12."),
149 EXIT_REASON(SVM_EXIT_WRITE_CR13 , 29, "Write CR13."),
150 EXIT_REASON(SVM_EXIT_WRITE_CR14 , 30, "Write CR14."),
151 EXIT_REASON(SVM_EXIT_WRITE_CR15 , 31, "Write CR15."),
152 EXIT_REASON(SVM_EXIT_READ_DR0 , 32, "Read DR0."),
153 EXIT_REASON(SVM_EXIT_READ_DR1 , 33, "Read DR1."),
154 EXIT_REASON(SVM_EXIT_READ_DR2 , 34, "Read DR2."),
155 EXIT_REASON(SVM_EXIT_READ_DR3 , 35, "Read DR3."),
156 EXIT_REASON(SVM_EXIT_READ_DR4 , 36, "Read DR4."),
157 EXIT_REASON(SVM_EXIT_READ_DR5 , 37, "Read DR5."),
158 EXIT_REASON(SVM_EXIT_READ_DR6 , 38, "Read DR6."),
159 EXIT_REASON(SVM_EXIT_READ_DR7 , 39, "Read DR7."),
160 EXIT_REASON(SVM_EXIT_READ_DR8 , 40, "Read DR8."),
161 EXIT_REASON(SVM_EXIT_READ_DR9 , 41, "Read DR9."),
162 EXIT_REASON(SVM_EXIT_READ_DR10 , 42, "Read DR10."),
163 EXIT_REASON(SVM_EXIT_READ_DR11 , 43, "Read DR11"),
164 EXIT_REASON(SVM_EXIT_READ_DR12 , 44, "Read DR12."),
165 EXIT_REASON(SVM_EXIT_READ_DR13 , 45, "Read DR13."),
166 EXIT_REASON(SVM_EXIT_READ_DR14 , 46, "Read DR14."),
167 EXIT_REASON(SVM_EXIT_READ_DR15 , 47, "Read DR15."),
168 EXIT_REASON(SVM_EXIT_WRITE_DR0 , 48, "Write DR0."),
169 EXIT_REASON(SVM_EXIT_WRITE_DR1 , 49, "Write DR1."),
170 EXIT_REASON(SVM_EXIT_WRITE_DR2 , 50, "Write DR2."),
171 EXIT_REASON(SVM_EXIT_WRITE_DR3 , 51, "Write DR3."),
172 EXIT_REASON(SVM_EXIT_WRITE_DR4 , 52, "Write DR4."),
173 EXIT_REASON(SVM_EXIT_WRITE_DR5 , 53, "Write DR5."),
174 EXIT_REASON(SVM_EXIT_WRITE_DR6 , 54, "Write DR6."),
175 EXIT_REASON(SVM_EXIT_WRITE_DR7 , 55, "Write DR7."),
176 EXIT_REASON(SVM_EXIT_WRITE_DR8 , 56, "Write DR8."),
177 EXIT_REASON(SVM_EXIT_WRITE_DR9 , 57, "Write DR9."),
178 EXIT_REASON(SVM_EXIT_WRITE_DR10 , 58, "Write DR10."),
179 EXIT_REASON(SVM_EXIT_WRITE_DR11 , 59, "Write DR11."),
180 EXIT_REASON(SVM_EXIT_WRITE_DR12 , 60, "Write DR12."),
181 EXIT_REASON(SVM_EXIT_WRITE_DR13 , 61, "Write DR13."),
182 EXIT_REASON(SVM_EXIT_WRITE_DR14 , 62, "Write DR14."),
183 EXIT_REASON(SVM_EXIT_WRITE_DR15 , 63, "Write DR15."),
184 EXIT_REASON(SVM_EXIT_EXCEPTION_0 , 64, "Exception Vector 0 (0x0)."),
185 EXIT_REASON(SVM_EXIT_EXCEPTION_1 , 65, "Exception Vector 1 (0x1)."),
186 EXIT_REASON(SVM_EXIT_EXCEPTION_2 , 66, "Exception Vector 2 (0x2)."),
187 EXIT_REASON(SVM_EXIT_EXCEPTION_3 , 67, "Exception Vector 3 (0x3)."),
188 EXIT_REASON(SVM_EXIT_EXCEPTION_4 , 68, "Exception Vector 4 (0x4)."),
189 EXIT_REASON(SVM_EXIT_EXCEPTION_5 , 69, "Exception Vector 5 (0x5)."),
190 EXIT_REASON(SVM_EXIT_EXCEPTION_6 , 70, "Exception Vector 6 (0x6)."),
191 EXIT_REASON(SVM_EXIT_EXCEPTION_7 , 71, "Exception Vector 7 (0x7)."),
192 EXIT_REASON(SVM_EXIT_EXCEPTION_8 , 72, "Exception Vector 8 (0x8)."),
193 EXIT_REASON(SVM_EXIT_EXCEPTION_9 , 73, "Exception Vector 9 (0x9)."),
194 EXIT_REASON(SVM_EXIT_EXCEPTION_A , 74, "Exception Vector 10 (0xA)."),
195 EXIT_REASON(SVM_EXIT_EXCEPTION_B , 75, "Exception Vector 11 (0xB)."),
196 EXIT_REASON(SVM_EXIT_EXCEPTION_C , 76, "Exception Vector 12 (0xC)."),
197 EXIT_REASON(SVM_EXIT_EXCEPTION_D , 77, "Exception Vector 13 (0xD)."),
198 EXIT_REASON(SVM_EXIT_EXCEPTION_E , 78, "Exception Vector 14 (0xE)."),
199 EXIT_REASON(SVM_EXIT_EXCEPTION_F , 79, "Exception Vector 15 (0xF)."),
200 EXIT_REASON(SVM_EXIT_EXCEPTION_10 , 80, "Exception Vector 16 (0x10)."),
201 EXIT_REASON(SVM_EXIT_EXCEPTION_11 , 81, "Exception Vector 17 (0x11)."),
202 EXIT_REASON(SVM_EXIT_EXCEPTION_12 , 82, "Exception Vector 18 (0x12)."),
203 EXIT_REASON(SVM_EXIT_EXCEPTION_13 , 83, "Exception Vector 19 (0x13)."),
204 EXIT_REASON(SVM_EXIT_EXCEPTION_14 , 84, "Exception Vector 20 (0x14)."),
205 EXIT_REASON(SVM_EXIT_EXCEPTION_15 , 85, "Exception Vector 22 (0x15)."),
206 EXIT_REASON(SVM_EXIT_EXCEPTION_16 , 86, "Exception Vector 22 (0x16)."),
207 EXIT_REASON(SVM_EXIT_EXCEPTION_17 , 87, "Exception Vector 23 (0x17)."),
208 EXIT_REASON(SVM_EXIT_EXCEPTION_18 , 88, "Exception Vector 24 (0x18)."),
209 EXIT_REASON(SVM_EXIT_EXCEPTION_19 , 89, "Exception Vector 25 (0x19)."),
210 EXIT_REASON(SVM_EXIT_EXCEPTION_1A , 90, "Exception Vector 26 (0x1A)."),
211 EXIT_REASON(SVM_EXIT_EXCEPTION_1B , 91, "Exception Vector 27 (0x1B)."),
212 EXIT_REASON(SVM_EXIT_EXCEPTION_1C , 92, "Exception Vector 28 (0x1C)."),
213 EXIT_REASON(SVM_EXIT_EXCEPTION_1D , 93, "Exception Vector 29 (0x1D)."),
214 EXIT_REASON(SVM_EXIT_EXCEPTION_1E , 94, "Exception Vector 30 (0x1E)."),
215 EXIT_REASON(SVM_EXIT_EXCEPTION_1F , 95, "Exception Vector 31 (0x1F)."),
216 EXIT_REASON(SVM_EXIT_INTR , 96, "Physical maskable interrupt."),
217 EXIT_REASON(SVM_EXIT_NMI , 97, "Physical non-maskable interrupt."),
218 EXIT_REASON(SVM_EXIT_SMI , 98, "System management interrupt."),
219 EXIT_REASON(SVM_EXIT_INIT , 99, "Physical INIT signal."),
220 EXIT_REASON(SVM_EXIT_VINTR ,100, "Virtual interrupt."),
221 EXIT_REASON(SVM_EXIT_CR0_SEL_WRITE ,101, "Write to CR0 that changed any bits other than CR0.TS or CR0.MP."),
222 EXIT_REASON(SVM_EXIT_IDTR_READ ,102, "Read IDTR"),
223 EXIT_REASON(SVM_EXIT_GDTR_READ ,103, "Read GDTR"),
224 EXIT_REASON(SVM_EXIT_LDTR_READ ,104, "Read LDTR."),
225 EXIT_REASON(SVM_EXIT_TR_READ ,105, "Read TR."),
226 EXIT_REASON(SVM_EXIT_TR_READ ,106, "Write IDTR."),
227 EXIT_REASON(SVM_EXIT_TR_READ ,107, "Write GDTR."),
228 EXIT_REASON(SVM_EXIT_TR_READ ,108, "Write LDTR."),
229 EXIT_REASON(SVM_EXIT_TR_READ ,109, "Write TR."),
230 EXIT_REASON(SVM_EXIT_RDTSC ,110, "RDTSC instruction."),
231 EXIT_REASON(SVM_EXIT_RDPMC ,111, "RDPMC instruction."),
232 EXIT_REASON(SVM_EXIT_PUSHF ,112, "PUSHF instruction."),
233 EXIT_REASON(SVM_EXIT_POPF ,113, "POPF instruction."),
234 EXIT_REASON(SVM_EXIT_CPUID ,114, "CPUID instruction."),
235 EXIT_REASON(SVM_EXIT_RSM ,115, "RSM instruction."),
236 EXIT_REASON(SVM_EXIT_IRET ,116, "IRET instruction."),
237 EXIT_REASON(SVM_EXIT_SWINT ,117, "Software interrupt (INTn instructions)."),
238 EXIT_REASON(SVM_EXIT_INVD ,118, "INVD instruction."),
239 EXIT_REASON(SVM_EXIT_PAUSE ,119, "PAUSE instruction."),
240 EXIT_REASON(SVM_EXIT_HLT ,120, "HLT instruction."),
241 EXIT_REASON(SVM_EXIT_INVLPG ,121, "INVLPG instruction."),
242 EXIT_REASON(SVM_EXIT_INVLPGA ,122, "INVLPGA instruction."),
243 EXIT_REASON(SVM_EXIT_IOIO ,123, "IN/OUT accessing protected port (EXITINFO1 field provides more information)."),
244 EXIT_REASON(SVM_EXIT_MSR ,124, "RDMSR or WRMSR access to protected MSR."),
245 EXIT_REASON(SVM_EXIT_TASK_SWITCH ,125, "Task switch."),
246 EXIT_REASON(SVM_EXIT_FERR_FREEZE ,126, "FP legacy handling enabled, and processor is frozen in an x87/mmx instruction waiting for an interrupt"),
247 EXIT_REASON(SVM_EXIT_SHUTDOWN ,127, "Shutdown."),
248 EXIT_REASON(SVM_EXIT_VMRUN ,128, "VMRUN instruction."),
249 EXIT_REASON(SVM_EXIT_VMMCALL ,129, "VMCALL instruction."),
250 EXIT_REASON(SVM_EXIT_VMLOAD ,130, "VMLOAD instruction."),
251 EXIT_REASON(SVM_EXIT_VMSAVE ,131, "VMSAVE instruction."),
252 EXIT_REASON(SVM_EXIT_STGI ,132, "STGI instruction."),
253 EXIT_REASON(SVM_EXIT_CLGI ,133, "CLGI instruction."),
254 EXIT_REASON(SVM_EXIT_SKINIT ,134, "SKINIT instruction."),
255 EXIT_REASON(SVM_EXIT_RDTSCP ,135, "RDTSCP instruction."),
256 EXIT_REASON(SVM_EXIT_ICEBP ,136, "ICEBP instruction."),
257 EXIT_REASON(SVM_EXIT_WBINVD ,137, "WBINVD instruction."),
258 EXIT_REASON(SVM_EXIT_MONITOR ,138, "MONITOR instruction."),
259 EXIT_REASON(SVM_EXIT_MWAIT_UNCOND ,139, "MWAIT instruction unconditional."),
260 EXIT_REASON(SVM_EXIT_MWAIT_ARMED ,140, "MWAIT instruction when armed."),
261 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)."),
262 EXIT_REASON_NIL()
263};
264# undef EXIT_REASON
265# undef EXIT_REASON_NIL
266#endif /* VBOX_WITH_STATISTICS */
267
268/*******************************************************************************
269* Internal Functions *
270*******************************************************************************/
271static DECLCALLBACK(int) hwaccmR3Save(PVM pVM, PSSMHANDLE pSSM);
272static DECLCALLBACK(int) hwaccmR3Load(PVM pVM, PSSMHANDLE pSSM, uint32_t uVersion, uint32_t uPass);
273static int hwaccmR3InitCPU(PVM pVM);
274static int hwaccmR3InitFinalizeR0(PVM pVM);
275static int hwaccmR3TermCPU(PVM pVM);
276
277
278/**
279 * Initializes the HWACCM.
280 *
281 * @returns VBox status code.
282 * @param pVM The VM to operate on.
283 */
284VMMR3DECL(int) HWACCMR3Init(PVM pVM)
285{
286 LogFlow(("HWACCMR3Init\n"));
287
288 /*
289 * Assert alignment and sizes.
290 */
291 AssertCompileMemberAlignment(VM, hwaccm.s, 32);
292 AssertCompile(sizeof(pVM->hwaccm.s) <= sizeof(pVM->hwaccm.padding));
293
294 /* Some structure checks. */
295 AssertReleaseMsg(RT_OFFSETOF(SVM_VMCB, ctrl.EventInject) == 0xA8, ("ctrl.EventInject offset = %x\n", RT_OFFSETOF(SVM_VMCB, ctrl.EventInject)));
296 AssertReleaseMsg(RT_OFFSETOF(SVM_VMCB, ctrl.ExitIntInfo) == 0x88, ("ctrl.ExitIntInfo offset = %x\n", RT_OFFSETOF(SVM_VMCB, ctrl.ExitIntInfo)));
297 AssertReleaseMsg(RT_OFFSETOF(SVM_VMCB, ctrl.TLBCtrl) == 0x58, ("ctrl.TLBCtrl offset = %x\n", RT_OFFSETOF(SVM_VMCB, ctrl.TLBCtrl)));
298
299 AssertReleaseMsg(RT_OFFSETOF(SVM_VMCB, guest) == 0x400, ("guest offset = %x\n", RT_OFFSETOF(SVM_VMCB, guest)));
300 AssertReleaseMsg(RT_OFFSETOF(SVM_VMCB, guest.TR) == 0x490, ("guest.TR offset = %x\n", RT_OFFSETOF(SVM_VMCB, guest.TR)));
301 AssertReleaseMsg(RT_OFFSETOF(SVM_VMCB, guest.u8CPL) == 0x4CB, ("guest.u8CPL offset = %x\n", RT_OFFSETOF(SVM_VMCB, guest.u8CPL)));
302 AssertReleaseMsg(RT_OFFSETOF(SVM_VMCB, guest.u64EFER) == 0x4D0, ("guest.u64EFER offset = %x\n", RT_OFFSETOF(SVM_VMCB, guest.u64EFER)));
303 AssertReleaseMsg(RT_OFFSETOF(SVM_VMCB, guest.u64CR4) == 0x548, ("guest.u64CR4 offset = %x\n", RT_OFFSETOF(SVM_VMCB, guest.u64CR4)));
304 AssertReleaseMsg(RT_OFFSETOF(SVM_VMCB, guest.u64RIP) == 0x578, ("guest.u64RIP offset = %x\n", RT_OFFSETOF(SVM_VMCB, guest.u64RIP)));
305 AssertReleaseMsg(RT_OFFSETOF(SVM_VMCB, guest.u64RSP) == 0x5D8, ("guest.u64RSP offset = %x\n", RT_OFFSETOF(SVM_VMCB, guest.u64RSP)));
306 AssertReleaseMsg(RT_OFFSETOF(SVM_VMCB, guest.u64CR2) == 0x640, ("guest.u64CR2 offset = %x\n", RT_OFFSETOF(SVM_VMCB, guest.u64CR2)));
307 AssertReleaseMsg(RT_OFFSETOF(SVM_VMCB, guest.u64GPAT) == 0x668, ("guest.u64GPAT offset = %x\n", RT_OFFSETOF(SVM_VMCB, guest.u64GPAT)));
308 AssertReleaseMsg(RT_OFFSETOF(SVM_VMCB, guest.u64LASTEXCPTO) == 0x690, ("guest.u64LASTEXCPTO offset = %x\n", RT_OFFSETOF(SVM_VMCB, guest.u64LASTEXCPTO)));
309 AssertReleaseMsg(sizeof(SVM_VMCB) == 0x1000, ("SVM_VMCB size = %x\n", sizeof(SVM_VMCB)));
310
311
312 /*
313 * Register the saved state data unit.
314 */
315 int rc = SSMR3RegisterInternal(pVM, "HWACCM", 0, HWACCM_SSM_VERSION, sizeof(HWACCM),
316 NULL, NULL, NULL,
317 NULL, hwaccmR3Save, NULL,
318 NULL, hwaccmR3Load, NULL);
319 if (RT_FAILURE(rc))
320 return rc;
321
322 /* Misc initialisation. */
323 pVM->hwaccm.s.vmx.fSupported = false;
324 pVM->hwaccm.s.svm.fSupported = false;
325 pVM->hwaccm.s.vmx.fEnabled = false;
326 pVM->hwaccm.s.svm.fEnabled = false;
327
328 pVM->hwaccm.s.fNestedPaging = false;
329 pVM->hwaccm.s.fLargePages = false;
330
331 /* Disabled by default. */
332 pVM->fHWACCMEnabled = false;
333
334 /*
335 * Check CFGM options.
336 */
337 PCFGMNODE pRoot = CFGMR3GetRoot(pVM);
338 PCFGMNODE pHWVirtExt = CFGMR3GetChild(pRoot, "HWVirtExt/");
339 /* Nested paging: disabled by default. */
340 rc = CFGMR3QueryBoolDef(pHWVirtExt, "EnableNestedPaging", &pVM->hwaccm.s.fAllowNestedPaging, false);
341 AssertRC(rc);
342
343 /* Large pages: disabled by default. */
344 rc = CFGMR3QueryBoolDef(pHWVirtExt, "EnableLargePages", &pVM->hwaccm.s.fLargePages, false);
345 AssertRC(rc);
346
347 /* VT-x VPID: disabled by default. */
348 rc = CFGMR3QueryBoolDef(pHWVirtExt, "EnableVPID", &pVM->hwaccm.s.vmx.fAllowVPID, false);
349 AssertRC(rc);
350
351 /* HWACCM support must be explicitely enabled in the configuration file. */
352 rc = CFGMR3QueryBoolDef(pHWVirtExt, "Enabled", &pVM->hwaccm.s.fAllowed, false);
353 AssertRC(rc);
354
355 /* TPR patching for 32 bits (Windows) guests with IO-APIC: disabled by default. */
356 rc = CFGMR3QueryBoolDef(pHWVirtExt, "TPRPatchingEnabled", &pVM->hwaccm.s.fTRPPatchingAllowed, false);
357 AssertRC(rc);
358
359#ifdef RT_OS_DARWIN
360 if (VMMIsHwVirtExtForced(pVM) != pVM->hwaccm.s.fAllowed)
361#else
362 if (VMMIsHwVirtExtForced(pVM) && !pVM->hwaccm.s.fAllowed)
363#endif
364 {
365 AssertLogRelMsgFailed(("VMMIsHwVirtExtForced=%RTbool fAllowed=%RTbool\n",
366 VMMIsHwVirtExtForced(pVM), pVM->hwaccm.s.fAllowed));
367 return VERR_HWACCM_CONFIG_MISMATCH;
368 }
369
370 if (VMMIsHwVirtExtForced(pVM))
371 pVM->fHWACCMEnabled = true;
372
373#if HC_ARCH_BITS == 32
374 /* 64-bit mode is configurable and it depends on both the kernel mode and VT-x.
375 * (To use the default, don't set 64bitEnabled in CFGM.) */
376 rc = CFGMR3QueryBoolDef(pHWVirtExt, "64bitEnabled", &pVM->hwaccm.s.fAllow64BitGuests, false);
377 AssertLogRelRCReturn(rc, rc);
378 if (pVM->hwaccm.s.fAllow64BitGuests)
379 {
380# ifdef RT_OS_DARWIN
381 if (!VMMIsHwVirtExtForced(pVM))
382# else
383 if (!pVM->hwaccm.s.fAllowed)
384# endif
385 return VM_SET_ERROR(pVM, VERR_INVALID_PARAMETER, "64-bit guest support was requested without also enabling HWVirtEx (VT-x/AMD-V).");
386 }
387#else
388 /* On 64-bit hosts 64-bit guest support is enabled by default, but allow this to be overridden
389 * via VBoxInternal/HWVirtExt/64bitEnabled=0. (ConsoleImpl2.cpp doesn't set this to false for 64-bit.) */
390 rc = CFGMR3QueryBoolDef(pHWVirtExt, "64bitEnabled", &pVM->hwaccm.s.fAllow64BitGuests, true);
391 AssertLogRelRCReturn(rc, rc);
392#endif
393
394
395 /** Determine the init method for AMD-V and VT-x; either one global init for each host CPU
396 * or local init each time we wish to execute guest code.
397 *
398 * Default false for Mac OS X and Windows due to the higher risk of conflicts with other hypervisors.
399 */
400 rc = CFGMR3QueryBoolDef(pHWVirtExt, "Exclusive", &pVM->hwaccm.s.fGlobalInit,
401#if defined(RT_OS_DARWIN) || defined(RT_OS_WINDOWS)
402 false
403#else
404 true
405#endif
406 );
407
408 /* Max number of resume loops. */
409 rc = CFGMR3QueryU32Def(pHWVirtExt, "MaxResumeLoops", &pVM->hwaccm.s.cMaxResumeLoops, 0 /* set by R0 later */);
410 AssertRC(rc);
411
412 return rc;
413}
414
415/**
416 * Initializes the per-VCPU HWACCM.
417 *
418 * @returns VBox status code.
419 * @param pVM The VM to operate on.
420 */
421static int hwaccmR3InitCPU(PVM pVM)
422{
423 LogFlow(("HWACCMR3InitCPU\n"));
424
425 for (VMCPUID i = 0; i < pVM->cCpus; i++)
426 {
427 PVMCPU pVCpu = &pVM->aCpus[i];
428
429 pVCpu->hwaccm.s.fActive = false;
430 }
431
432#ifdef VBOX_WITH_STATISTICS
433 STAM_REG(pVM, &pVM->hwaccm.s.StatTPRPatchSuccess, STAMTYPE_COUNTER, "/HWACCM/TPR/Patch/Success", STAMUNIT_OCCURENCES, "Number of times an instruction was successfully patched.");
434 STAM_REG(pVM, &pVM->hwaccm.s.StatTPRPatchFailure, STAMTYPE_COUNTER, "/HWACCM/TPR/Patch/Failed", STAMUNIT_OCCURENCES, "Number of unsuccessful patch attempts.");
435 STAM_REG(pVM, &pVM->hwaccm.s.StatTPRReplaceSuccess, STAMTYPE_COUNTER, "/HWACCM/TPR/Replace/Success",STAMUNIT_OCCURENCES, "Number of times an instruction was successfully patched.");
436 STAM_REG(pVM, &pVM->hwaccm.s.StatTPRReplaceFailure, STAMTYPE_COUNTER, "/HWACCM/TPR/Replace/Failed", STAMUNIT_OCCURENCES, "Number of unsuccessful patch attempts.");
437
438 /*
439 * Statistics.
440 */
441 for (VMCPUID i = 0; i < pVM->cCpus; i++)
442 {
443 PVMCPU pVCpu = &pVM->aCpus[i];
444 int rc;
445
446 rc = STAMR3RegisterF(pVM, &pVCpu->hwaccm.s.StatPoke, STAMTYPE_PROFILE, STAMVISIBILITY_USED, STAMUNIT_TICKS_PER_CALL, "Profiling of RTMpPokeCpu",
447 "/PROF/HWACCM/CPU%d/Poke", i);
448 AssertRC(rc);
449 rc = STAMR3RegisterF(pVM, &pVCpu->hwaccm.s.StatSpinPoke, STAMTYPE_PROFILE, STAMVISIBILITY_USED, STAMUNIT_TICKS_PER_CALL, "Profiling of poke wait",
450 "/PROF/HWACCM/CPU%d/PokeWait", i);
451 AssertRC(rc);
452 rc = STAMR3RegisterF(pVM, &pVCpu->hwaccm.s.StatSpinPokeFailed, STAMTYPE_PROFILE, STAMVISIBILITY_USED, STAMUNIT_TICKS_PER_CALL, "Profiling of poke wait when RTMpPokeCpu fails",
453 "/PROF/HWACCM/CPU%d/PokeWaitFailed", i);
454 AssertRC(rc);
455 rc = STAMR3RegisterF(pVM, &pVCpu->hwaccm.s.StatEntry, STAMTYPE_PROFILE, STAMVISIBILITY_USED, STAMUNIT_TICKS_PER_CALL, "Profiling of VMXR0RunGuestCode entry",
456 "/PROF/HWACCM/CPU%d/SwitchToGC", i);
457 AssertRC(rc);
458 rc = STAMR3RegisterF(pVM, &pVCpu->hwaccm.s.StatExit1, STAMTYPE_PROFILE, STAMVISIBILITY_USED, STAMUNIT_TICKS_PER_CALL, "Profiling of VMXR0RunGuestCode exit part 1",
459 "/PROF/HWACCM/CPU%d/SwitchFromGC_1", i);
460 AssertRC(rc);
461 rc = STAMR3RegisterF(pVM, &pVCpu->hwaccm.s.StatExit2, STAMTYPE_PROFILE, STAMVISIBILITY_USED, STAMUNIT_TICKS_PER_CALL, "Profiling of VMXR0RunGuestCode exit part 2",
462 "/PROF/HWACCM/CPU%d/SwitchFromGC_2", i);
463 AssertRC(rc);
464# if 1 /* temporary for tracking down darwin holdup. */
465 rc = STAMR3RegisterF(pVM, &pVCpu->hwaccm.s.StatExit2Sub1, STAMTYPE_PROFILE, STAMVISIBILITY_USED, STAMUNIT_TICKS_PER_CALL, "Temporary - I/O",
466 "/PROF/HWACCM/CPU%d/SwitchFromGC_2/Sub1", i);
467 AssertRC(rc);
468 rc = STAMR3RegisterF(pVM, &pVCpu->hwaccm.s.StatExit2Sub2, STAMTYPE_PROFILE, STAMVISIBILITY_USED, STAMUNIT_TICKS_PER_CALL, "Temporary - CRx RWs",
469 "/PROF/HWACCM/CPU%d/SwitchFromGC_2/Sub2", i);
470 AssertRC(rc);
471 rc = STAMR3RegisterF(pVM, &pVCpu->hwaccm.s.StatExit2Sub3, STAMTYPE_PROFILE, STAMVISIBILITY_USED, STAMUNIT_TICKS_PER_CALL, "Temporary - Exceptions",
472 "/PROF/HWACCM/CPU%d/SwitchFromGC_2/Sub3", i);
473 AssertRC(rc);
474# endif
475 rc = STAMR3RegisterF(pVM, &pVCpu->hwaccm.s.StatInGC, STAMTYPE_PROFILE, STAMVISIBILITY_USED, STAMUNIT_TICKS_PER_CALL, "Profiling of vmlaunch",
476 "/PROF/HWACCM/CPU%d/InGC", i);
477 AssertRC(rc);
478
479# if HC_ARCH_BITS == 32 && defined(VBOX_ENABLE_64_BITS_GUESTS) && !defined(VBOX_WITH_HYBRID_32BIT_KERNEL)
480 rc = STAMR3RegisterF(pVM, &pVCpu->hwaccm.s.StatWorldSwitch3264, STAMTYPE_PROFILE, STAMVISIBILITY_USED, STAMUNIT_TICKS_PER_CALL, "Profiling of the 32/64 switcher",
481 "/PROF/HWACCM/CPU%d/Switcher3264", i);
482 AssertRC(rc);
483# endif
484
485# define HWACCM_REG_COUNTER(a, b) \
486 rc = STAMR3RegisterF(pVM, a, STAMTYPE_COUNTER, STAMVISIBILITY_ALWAYS, STAMUNIT_OCCURENCES, "Profiling of vmlaunch", b, i); \
487 AssertRC(rc);
488
489 HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatExitShadowNM, "/HWACCM/CPU%d/Exit/Trap/Shw/#NM");
490 HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatExitGuestNM, "/HWACCM/CPU%d/Exit/Trap/Gst/#NM");
491 HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatExitShadowPF, "/HWACCM/CPU%d/Exit/Trap/Shw/#PF");
492 HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatExitGuestPF, "/HWACCM/CPU%d/Exit/Trap/Gst/#PF");
493 HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatExitGuestUD, "/HWACCM/CPU%d/Exit/Trap/Gst/#UD");
494 HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatExitGuestSS, "/HWACCM/CPU%d/Exit/Trap/Gst/#SS");
495 HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatExitGuestNP, "/HWACCM/CPU%d/Exit/Trap/Gst/#NP");
496 HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatExitGuestGP, "/HWACCM/CPU%d/Exit/Trap/Gst/#GP");
497 HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatExitGuestMF, "/HWACCM/CPU%d/Exit/Trap/Gst/#MF");
498 HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatExitGuestDE, "/HWACCM/CPU%d/Exit/Trap/Gst/#DE");
499 HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatExitGuestDB, "/HWACCM/CPU%d/Exit/Trap/Gst/#DB");
500 HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatExitInvpg, "/HWACCM/CPU%d/Exit/Instr/Invlpg");
501 HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatExitInvd, "/HWACCM/CPU%d/Exit/Instr/Invd");
502 HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatExitCpuid, "/HWACCM/CPU%d/Exit/Instr/Cpuid");
503 HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatExitRdtsc, "/HWACCM/CPU%d/Exit/Instr/Rdtsc");
504 HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatExitRdpmc, "/HWACCM/CPU%d/Exit/Instr/Rdpmc");
505 HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatExitRdmsr, "/HWACCM/CPU%d/Exit/Instr/Rdmsr");
506 HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatExitWrmsr, "/HWACCM/CPU%d/Exit/Instr/Wrmsr");
507 HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatExitMwait, "/HWACCM/CPU%d/Exit/Instr/Mwait");
508 HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatExitMonitor, "/HWACCM/CPU%d/Exit/Instr/Monitor");
509 HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatExitDRxWrite, "/HWACCM/CPU%d/Exit/Instr/DR/Write");
510 HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatExitDRxRead, "/HWACCM/CPU%d/Exit/Instr/DR/Read");
511 HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatExitCLTS, "/HWACCM/CPU%d/Exit/Instr/CLTS");
512 HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatExitLMSW, "/HWACCM/CPU%d/Exit/Instr/LMSW");
513 HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatExitCli, "/HWACCM/CPU%d/Exit/Instr/Cli");
514 HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatExitSti, "/HWACCM/CPU%d/Exit/Instr/Sti");
515 HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatExitPushf, "/HWACCM/CPU%d/Exit/Instr/Pushf");
516 HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatExitPopf, "/HWACCM/CPU%d/Exit/Instr/Popf");
517 HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatExitIret, "/HWACCM/CPU%d/Exit/Instr/Iret");
518 HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatExitInt, "/HWACCM/CPU%d/Exit/Instr/Int");
519 HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatExitHlt, "/HWACCM/CPU%d/Exit/Instr/Hlt");
520 HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatExitIOWrite, "/HWACCM/CPU%d/Exit/IO/Write");
521 HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatExitIORead, "/HWACCM/CPU%d/Exit/IO/Read");
522 HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatExitIOStringWrite, "/HWACCM/CPU%d/Exit/IO/WriteString");
523 HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatExitIOStringRead, "/HWACCM/CPU%d/Exit/IO/ReadString");
524 HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatExitIrqWindow, "/HWACCM/CPU%d/Exit/IrqWindow");
525 HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatExitMaxResume, "/HWACCM/CPU%d/Exit/MaxResume");
526 HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatExitPreemptPending, "/HWACCM/CPU%d/Exit/PreemptPending");
527
528 HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatSwitchGuestIrq, "/HWACCM/CPU%d/Switch/IrqPending");
529 HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatSwitchToR3, "/HWACCM/CPU%d/Switch/ToR3");
530
531 HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatIntInject, "/HWACCM/CPU%d/Irq/Inject");
532 HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatIntReinject, "/HWACCM/CPU%d/Irq/Reinject");
533 HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatPendingHostIrq, "/HWACCM/CPU%d/Irq/PendingOnHost");
534
535 HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatFlushPage, "/HWACCM/CPU%d/Flush/Page");
536 HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatFlushPageManual, "/HWACCM/CPU%d/Flush/Page/Virt");
537 HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatFlushPhysPageManual, "/HWACCM/CPU%d/Flush/Page/Phys");
538 HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatFlushTLB, "/HWACCM/CPU%d/Flush/TLB");
539 HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatFlushTLBManual, "/HWACCM/CPU%d/Flush/TLB/Manual");
540 HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatFlushTLBCRxChange, "/HWACCM/CPU%d/Flush/TLB/CRx");
541 HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatFlushPageInvlpg, "/HWACCM/CPU%d/Flush/Page/Invlpg");
542 HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatFlushTLBWorldSwitch, "/HWACCM/CPU%d/Flush/TLB/Switch");
543 HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatNoFlushTLBWorldSwitch, "/HWACCM/CPU%d/Flush/TLB/Skipped");
544 HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatFlushASID, "/HWACCM/CPU%d/Flush/TLB/ASID");
545 HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatFlushTLBInvlpga, "/HWACCM/CPU%d/Flush/TLB/PhysInvl");
546 HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatTlbShootdown, "/HWACCM/CPU%d/Flush/Shootdown/Page");
547 HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatTlbShootdownFlush, "/HWACCM/CPU%d/Flush/Shootdown/TLB");
548
549 HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatTSCOffset, "/HWACCM/CPU%d/TSC/Offset");
550 HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatTSCIntercept, "/HWACCM/CPU%d/TSC/Intercept");
551 HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatTSCInterceptOverFlow, "/HWACCM/CPU%d/TSC/InterceptOverflow");
552
553 HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatDRxArmed, "/HWACCM/CPU%d/Debug/Armed");
554 HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatDRxContextSwitch, "/HWACCM/CPU%d/Debug/ContextSwitch");
555 HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatDRxIOCheck, "/HWACCM/CPU%d/Debug/IOCheck");
556
557 HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatLoadMinimal, "/HWACCM/CPU%d/Load/Minimal");
558 HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatLoadFull, "/HWACCM/CPU%d/Load/Full");
559
560#if HC_ARCH_BITS == 32 && defined(VBOX_ENABLE_64_BITS_GUESTS) && !defined(VBOX_WITH_HYBRID_32BIT_KERNEL)
561 HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatFpu64SwitchBack, "/HWACCM/CPU%d/Switch64/Fpu");
562 HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatDebug64SwitchBack, "/HWACCM/CPU%d/Switch64/Debug");
563#endif
564
565 for (unsigned j=0;j<RT_ELEMENTS(pVCpu->hwaccm.s.StatExitCRxWrite);j++)
566 {
567 rc = STAMR3RegisterF(pVM, &pVCpu->hwaccm.s.StatExitCRxWrite[j], STAMTYPE_COUNTER, STAMVISIBILITY_USED, STAMUNIT_OCCURENCES, "Profiling of CRx writes",
568 "/HWACCM/CPU%d/Exit/Instr/CR/Write/%x", i, j);
569 AssertRC(rc);
570 rc = STAMR3RegisterF(pVM, &pVCpu->hwaccm.s.StatExitCRxRead[j], STAMTYPE_COUNTER, STAMVISIBILITY_USED, STAMUNIT_OCCURENCES, "Profiling of CRx reads",
571 "/HWACCM/CPU%d/Exit/Instr/CR/Read/%x", i, j);
572 AssertRC(rc);
573 }
574
575#undef HWACCM_REG_COUNTER
576
577 pVCpu->hwaccm.s.paStatExitReason = NULL;
578
579 rc = MMHyperAlloc(pVM, MAX_EXITREASON_STAT*sizeof(*pVCpu->hwaccm.s.paStatExitReason), 0, MM_TAG_HWACCM, (void **)&pVCpu->hwaccm.s.paStatExitReason);
580 AssertRC(rc);
581 if (RT_SUCCESS(rc))
582 {
583 const char * const *papszDesc = ASMIsIntelCpu() ? &g_apszVTxExitReasons[0] : &g_apszAmdVExitReasons[0];
584 for (int j=0;j<MAX_EXITREASON_STAT;j++)
585 {
586 if (papszDesc[j])
587 {
588 rc = STAMR3RegisterF(pVM, &pVCpu->hwaccm.s.paStatExitReason[j], STAMTYPE_COUNTER, STAMVISIBILITY_USED, STAMUNIT_OCCURENCES,
589 papszDesc[j], "/HWACCM/CPU%d/Exit/Reason/%02x", i, j);
590 AssertRC(rc);
591 }
592 }
593 rc = STAMR3RegisterF(pVM, &pVCpu->hwaccm.s.StatExitReasonNPF, STAMTYPE_COUNTER, STAMVISIBILITY_USED, STAMUNIT_OCCURENCES, "Nested page fault", "/HWACCM/CPU%d/Exit/Reason/#NPF", i);
594 AssertRC(rc);
595 }
596 pVCpu->hwaccm.s.paStatExitReasonR0 = MMHyperR3ToR0(pVM, pVCpu->hwaccm.s.paStatExitReason);
597# ifdef VBOX_WITH_2X_4GB_ADDR_SPACE
598 Assert(pVCpu->hwaccm.s.paStatExitReasonR0 != NIL_RTR0PTR || !VMMIsHwVirtExtForced(pVM));
599# else
600 Assert(pVCpu->hwaccm.s.paStatExitReasonR0 != NIL_RTR0PTR);
601# endif
602
603 rc = MMHyperAlloc(pVM, sizeof(STAMCOUNTER) * 256, 8, MM_TAG_HWACCM, (void **)&pVCpu->hwaccm.s.paStatInjectedIrqs);
604 AssertRCReturn(rc, rc);
605 pVCpu->hwaccm.s.paStatInjectedIrqsR0 = MMHyperR3ToR0(pVM, pVCpu->hwaccm.s.paStatInjectedIrqs);
606# ifdef VBOX_WITH_2X_4GB_ADDR_SPACE
607 Assert(pVCpu->hwaccm.s.paStatInjectedIrqsR0 != NIL_RTR0PTR || !VMMIsHwVirtExtForced(pVM));
608# else
609 Assert(pVCpu->hwaccm.s.paStatInjectedIrqsR0 != NIL_RTR0PTR);
610# endif
611 for (unsigned j = 0; j < 255; j++)
612 STAMR3RegisterF(pVM, &pVCpu->hwaccm.s.paStatInjectedIrqs[j], STAMTYPE_COUNTER, STAMVISIBILITY_USED, STAMUNIT_OCCURENCES, "Forwarded interrupts.",
613 (j < 0x20) ? "/HWACCM/CPU%d/Interrupt/Trap/%02X" : "/HWACCM/CPU%d/Interrupt/IRQ/%02X", i, j);
614
615 }
616#endif /* VBOX_WITH_STATISTICS */
617
618#ifdef VBOX_WITH_CRASHDUMP_MAGIC
619 /* Magic marker for searching in crash dumps. */
620 for (VMCPUID i = 0; i < pVM->cCpus; i++)
621 {
622 PVMCPU pVCpu = &pVM->aCpus[i];
623
624 PVMCSCACHE pCache = &pVCpu->hwaccm.s.vmx.VMCSCache;
625 strcpy((char *)pCache->aMagic, "VMCSCACHE Magic");
626 pCache->uMagic = UINT64_C(0xDEADBEEFDEADBEEF);
627 }
628#endif
629 return VINF_SUCCESS;
630}
631
632/**
633 * Called when a init phase has completed.
634 *
635 * @returns VBox status code.
636 * @param pVM The VM.
637 * @param enmWhat The phase that completed.
638 */
639VMMR3_INT_DECL(int) HWACCMR3InitCompleted(PVM pVM, VMINITCOMPLETED enmWhat)
640{
641 switch (enmWhat)
642 {
643 case VMINITCOMPLETED_RING3:
644 return hwaccmR3InitCPU(pVM);
645 case VMINITCOMPLETED_RING0:
646 return hwaccmR3InitFinalizeR0(pVM);
647 default:
648 return VINF_SUCCESS;
649 }
650}
651
652/**
653 * Turns off normal raw mode features
654 *
655 * @param pVM The VM to operate on.
656 */
657static void hwaccmR3DisableRawMode(PVM pVM)
658{
659 /* Disable PATM & CSAM. */
660 PATMR3AllowPatching(pVM, false);
661 CSAMDisableScanning(pVM);
662
663 /* Turn off IDT/LDT/GDT and TSS monitoring and sycing. */
664 SELMR3DisableMonitoring(pVM);
665 TRPMR3DisableMonitoring(pVM);
666
667 /* Disable the switcher code (safety precaution). */
668 VMMR3DisableSwitcher(pVM);
669
670 /* Disable mapping of the hypervisor into the shadow page table. */
671 PGMR3MappingsDisable(pVM);
672
673 /* Disable the switcher */
674 VMMR3DisableSwitcher(pVM);
675
676 /* Reinit the paging mode to force the new shadow mode. */
677 for (VMCPUID i = 0; i < pVM->cCpus; i++)
678 {
679 PVMCPU pVCpu = &pVM->aCpus[i];
680
681 PGMR3ChangeMode(pVM, pVCpu, PGMMODE_REAL);
682 }
683}
684
685/**
686 * Initialize VT-x or AMD-V.
687 *
688 * @returns VBox status code.
689 * @param pVM The VM handle.
690 */
691static int hwaccmR3InitFinalizeR0(PVM pVM)
692{
693 int rc;
694
695 /* Hack to allow users to work around broken BIOSes that incorrectly set EFER.SVME, which makes us believe somebody else
696 * is already using AMD-V.
697 */
698 if ( !pVM->hwaccm.s.vmx.fSupported
699 && !pVM->hwaccm.s.svm.fSupported
700 && pVM->hwaccm.s.lLastError == VERR_SVM_IN_USE /* implies functional AMD-V */
701 && RTEnvExist("VBOX_HWVIRTEX_IGNORE_SVM_IN_USE"))
702 {
703 LogRel(("HWACCM: VBOX_HWVIRTEX_IGNORE_SVM_IN_USE active!\n"));
704 pVM->hwaccm.s.svm.fSupported = true;
705 pVM->hwaccm.s.svm.fIgnoreInUseError = true;
706 }
707 else
708 if ( !pVM->hwaccm.s.vmx.fSupported
709 && !pVM->hwaccm.s.svm.fSupported)
710 {
711 LogRel(("HWACCM: No VT-x or AMD-V CPU extension found. Reason %Rrc\n", pVM->hwaccm.s.lLastError));
712 LogRel(("HWACCM: VMX MSR_IA32_FEATURE_CONTROL=%RX64\n", pVM->hwaccm.s.vmx.msr.feature_ctrl));
713
714 if (VMMIsHwVirtExtForced(pVM))
715 {
716 switch (pVM->hwaccm.s.lLastError)
717 {
718 case VERR_VMX_NO_VMX:
719 return VM_SET_ERROR(pVM, VERR_VMX_NO_VMX, "VT-x is not available.");
720 case VERR_VMX_IN_VMX_ROOT_MODE:
721 return VM_SET_ERROR(pVM, VERR_VMX_IN_VMX_ROOT_MODE, "VT-x is being used by another hypervisor.");
722 case VERR_SVM_IN_USE:
723 return VM_SET_ERROR(pVM, VERR_SVM_IN_USE, "AMD-V is being used by another hypervisor.");
724 case VERR_SVM_NO_SVM:
725 return VM_SET_ERROR(pVM, VERR_SVM_NO_SVM, "AMD-V is not available.");
726 case VERR_SVM_DISABLED:
727 return VM_SET_ERROR(pVM, VERR_SVM_DISABLED, "AMD-V is disabled in the BIOS.");
728 default:
729 return pVM->hwaccm.s.lLastError;
730 }
731 }
732 return VINF_SUCCESS;
733 }
734
735 if (pVM->hwaccm.s.vmx.fSupported)
736 {
737 rc = SUPR3QueryVTxSupported();
738 if (RT_FAILURE(rc))
739 {
740#ifdef RT_OS_LINUX
741 LogRel(("HWACCM: The host kernel does not support VT-x -- Linux 2.6.13 or newer required!\n"));
742#else
743 LogRel(("HWACCM: The host kernel does not support VT-x!\n"));
744#endif
745 if ( pVM->cCpus > 1
746 || VMMIsHwVirtExtForced(pVM))
747 return rc;
748
749 /* silently fall back to raw mode */
750 return VINF_SUCCESS;
751 }
752 }
753
754 if (!pVM->hwaccm.s.fAllowed)
755 return VINF_SUCCESS; /* nothing to do */
756
757 /* Enable VT-x or AMD-V on all host CPUs. */
758 rc = SUPR3CallVMMR0Ex(pVM->pVMR0, 0 /*idCpu*/, VMMR0_DO_HWACC_ENABLE, 0, NULL);
759 if (RT_FAILURE(rc))
760 {
761 LogRel(("HWACCMR3InitFinalize: SUPR3CallVMMR0Ex VMMR0_DO_HWACC_ENABLE failed with %Rrc\n", rc));
762 return rc;
763 }
764 Assert(!pVM->fHWACCMEnabled || VMMIsHwVirtExtForced(pVM));
765
766 pVM->hwaccm.s.fHasIoApic = PDMHasIoApic(pVM);
767 /* No TPR patching is required when the IO-APIC is not enabled for this VM. (Main should have taken care of this already) */
768 if (!pVM->hwaccm.s.fHasIoApic)
769 {
770 Assert(!pVM->hwaccm.s.fTRPPatchingAllowed); /* paranoia */
771 pVM->hwaccm.s.fTRPPatchingAllowed = false;
772 }
773
774 bool fOldBuffered = RTLogRelSetBuffering(true /*fBuffered*/);
775 if (pVM->hwaccm.s.vmx.fSupported)
776 {
777 Log(("pVM->hwaccm.s.vmx.fSupported = %d\n", pVM->hwaccm.s.vmx.fSupported));
778
779 if ( pVM->hwaccm.s.fInitialized == false
780 && pVM->hwaccm.s.vmx.msr.feature_ctrl != 0)
781 {
782 uint64_t val;
783 RTGCPHYS GCPhys = 0;
784
785 LogRel(("HWACCM: Host CR4=%08X\n", pVM->hwaccm.s.vmx.hostCR4));
786 LogRel(("HWACCM: MSR_IA32_FEATURE_CONTROL = %RX64\n", pVM->hwaccm.s.vmx.msr.feature_ctrl));
787 LogRel(("HWACCM: MSR_IA32_VMX_BASIC_INFO = %RX64\n", pVM->hwaccm.s.vmx.msr.vmx_basic_info));
788 LogRel(("HWACCM: VMCS id = %x\n", MSR_IA32_VMX_BASIC_INFO_VMCS_ID(pVM->hwaccm.s.vmx.msr.vmx_basic_info)));
789 LogRel(("HWACCM: VMCS size = %x\n", MSR_IA32_VMX_BASIC_INFO_VMCS_SIZE(pVM->hwaccm.s.vmx.msr.vmx_basic_info)));
790 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"));
791 LogRel(("HWACCM: VMCS memory type = %x\n", MSR_IA32_VMX_BASIC_INFO_VMCS_MEM_TYPE(pVM->hwaccm.s.vmx.msr.vmx_basic_info)));
792 LogRel(("HWACCM: Dual monitor treatment = %d\n", MSR_IA32_VMX_BASIC_INFO_VMCS_DUAL_MON(pVM->hwaccm.s.vmx.msr.vmx_basic_info)));
793
794 LogRel(("HWACCM: MSR_IA32_VMX_PINBASED_CTLS = %RX64\n", pVM->hwaccm.s.vmx.msr.vmx_pin_ctls.u));
795 val = pVM->hwaccm.s.vmx.msr.vmx_pin_ctls.n.allowed1;
796 if (val & VMX_VMCS_CTRL_PIN_EXEC_CONTROLS_EXT_INT_EXIT)
797 LogRel(("HWACCM: VMX_VMCS_CTRL_PIN_EXEC_CONTROLS_EXT_INT_EXIT\n"));
798 if (val & VMX_VMCS_CTRL_PIN_EXEC_CONTROLS_NMI_EXIT)
799 LogRel(("HWACCM: VMX_VMCS_CTRL_PIN_EXEC_CONTROLS_NMI_EXIT\n"));
800 if (val & VMX_VMCS_CTRL_PIN_EXEC_CONTROLS_VIRTUAL_NMI)
801 LogRel(("HWACCM: VMX_VMCS_CTRL_PIN_EXEC_CONTROLS_VIRTUAL_NMI\n"));
802 if (val & VMX_VMCS_CTRL_PIN_EXEC_CONTROLS_PREEMPT_TIMER)
803 LogRel(("HWACCM: VMX_VMCS_CTRL_PIN_EXEC_CONTROLS_PREEMPT_TIMER\n"));
804 val = pVM->hwaccm.s.vmx.msr.vmx_pin_ctls.n.disallowed0;
805 if (val & VMX_VMCS_CTRL_PIN_EXEC_CONTROLS_EXT_INT_EXIT)
806 LogRel(("HWACCM: VMX_VMCS_CTRL_PIN_EXEC_CONTROLS_EXT_INT_EXIT *must* be set\n"));
807 if (val & VMX_VMCS_CTRL_PIN_EXEC_CONTROLS_NMI_EXIT)
808 LogRel(("HWACCM: VMX_VMCS_CTRL_PIN_EXEC_CONTROLS_NMI_EXIT *must* be set\n"));
809 if (val & VMX_VMCS_CTRL_PIN_EXEC_CONTROLS_VIRTUAL_NMI)
810 LogRel(("HWACCM: VMX_VMCS_CTRL_PIN_EXEC_CONTROLS_VIRTUAL_NMI *must* be set\n"));
811 if (val & VMX_VMCS_CTRL_PIN_EXEC_CONTROLS_PREEMPT_TIMER)
812 LogRel(("HWACCM: VMX_VMCS_CTRL_PIN_EXEC_CONTROLS_PREEMPT_TIMER *must* be set\n"));
813
814 LogRel(("HWACCM: MSR_IA32_VMX_PROCBASED_CTLS = %RX64\n", pVM->hwaccm.s.vmx.msr.vmx_proc_ctls.u));
815 val = pVM->hwaccm.s.vmx.msr.vmx_proc_ctls.n.allowed1;
816 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_IRQ_WINDOW_EXIT)
817 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_IRQ_WINDOW_EXIT\n"));
818 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_TSC_OFFSET)
819 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_TSC_OFFSET\n"));
820 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_HLT_EXIT)
821 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_HLT_EXIT\n"));
822 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_INVLPG_EXIT)
823 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_INVLPG_EXIT\n"));
824 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_MWAIT_EXIT)
825 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_MWAIT_EXIT\n"));
826 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_RDPMC_EXIT)
827 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_RDPMC_EXIT\n"));
828 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_RDTSC_EXIT)
829 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_RDTSC_EXIT\n"));
830 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_CR3_LOAD_EXIT)
831 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_CR3_LOAD_EXIT\n"));
832 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_CR3_STORE_EXIT)
833 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_CR3_STORE_EXIT\n"));
834 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_CR8_LOAD_EXIT)
835 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_CR8_LOAD_EXIT\n"));
836 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_CR8_STORE_EXIT)
837 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_CR8_STORE_EXIT\n"));
838 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_USE_TPR_SHADOW)
839 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_USE_TPR_SHADOW\n"));
840 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_NMI_WINDOW_EXIT)
841 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_NMI_WINDOW_EXIT\n"));
842 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_MOV_DR_EXIT)
843 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_MOV_DR_EXIT\n"));
844 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_UNCOND_IO_EXIT)
845 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_UNCOND_IO_EXIT\n"));
846 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_USE_IO_BITMAPS)
847 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_USE_IO_BITMAPS\n"));
848 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_MONITOR_TRAP_FLAG)
849 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_MONITOR_TRAP_FLAG\n"));
850 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_USE_MSR_BITMAPS)
851 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_USE_MSR_BITMAPS\n"));
852 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_MONITOR_EXIT)
853 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_MONITOR_EXIT\n"));
854 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_PAUSE_EXIT)
855 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_PAUSE_EXIT\n"));
856 if (val & VMX_VMCS_CTRL_PROC_EXEC_USE_SECONDARY_EXEC_CTRL)
857 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_USE_SECONDARY_EXEC_CTRL\n"));
858
859 val = pVM->hwaccm.s.vmx.msr.vmx_proc_ctls.n.disallowed0;
860 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_IRQ_WINDOW_EXIT)
861 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_IRQ_WINDOW_EXIT *must* be set\n"));
862 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_TSC_OFFSET)
863 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_TSC_OFFSET *must* be set\n"));
864 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_HLT_EXIT)
865 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_HLT_EXIT *must* be set\n"));
866 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_INVLPG_EXIT)
867 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_INVLPG_EXIT *must* be set\n"));
868 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_MWAIT_EXIT)
869 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_MWAIT_EXIT *must* be set\n"));
870 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_RDPMC_EXIT)
871 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_RDPMC_EXIT *must* be set\n"));
872 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_RDTSC_EXIT)
873 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_RDTSC_EXIT *must* be set\n"));
874 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_CR3_LOAD_EXIT)
875 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_CR3_LOAD_EXIT *must* be set\n"));
876 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_CR3_STORE_EXIT)
877 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_CR3_STORE_EXIT *must* be set\n"));
878 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_CR8_LOAD_EXIT)
879 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_CR8_LOAD_EXIT *must* be set\n"));
880 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_CR8_STORE_EXIT)
881 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_CR8_STORE_EXIT *must* be set\n"));
882 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_USE_TPR_SHADOW)
883 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_USE_TPR_SHADOW *must* be set\n"));
884 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_NMI_WINDOW_EXIT)
885 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_NMI_WINDOW_EXIT *must* be set\n"));
886 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_MOV_DR_EXIT)
887 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_MOV_DR_EXIT *must* be set\n"));
888 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_UNCOND_IO_EXIT)
889 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_UNCOND_IO_EXIT *must* be set\n"));
890 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_USE_IO_BITMAPS)
891 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_USE_IO_BITMAPS *must* be set\n"));
892 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_MONITOR_TRAP_FLAG)
893 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_MONITOR_TRAP_FLAG *must* be set\n"));
894 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_USE_MSR_BITMAPS)
895 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_USE_MSR_BITMAPS *must* be set\n"));
896 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_MONITOR_EXIT)
897 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_MONITOR_EXIT *must* be set\n"));
898 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_PAUSE_EXIT)
899 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_PAUSE_EXIT *must* be set\n"));
900 if (val & VMX_VMCS_CTRL_PROC_EXEC_USE_SECONDARY_EXEC_CTRL)
901 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_USE_SECONDARY_EXEC_CTRL *must* be set\n"));
902
903 if (pVM->hwaccm.s.vmx.msr.vmx_proc_ctls.n.allowed1 & VMX_VMCS_CTRL_PROC_EXEC_USE_SECONDARY_EXEC_CTRL)
904 {
905 LogRel(("HWACCM: MSR_IA32_VMX_PROCBASED_CTLS2 = %RX64\n", pVM->hwaccm.s.vmx.msr.vmx_proc_ctls2.u));
906 val = pVM->hwaccm.s.vmx.msr.vmx_proc_ctls2.n.allowed1;
907 if (val & VMX_VMCS_CTRL_PROC_EXEC2_VIRT_APIC)
908 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC2_VIRT_APIC\n"));
909 if (val & VMX_VMCS_CTRL_PROC_EXEC2_EPT)
910 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC2_EPT\n"));
911 if (val & VMX_VMCS_CTRL_PROC_EXEC2_DESCRIPTOR_INSTR_EXIT)
912 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC2_DESCRIPTOR_INSTR_EXIT\n"));
913 if (val & VMX_VMCS_CTRL_PROC_EXEC2_RDTSCP_EXIT)
914 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC2_RDTSCP_EXIT\n"));
915 if (val & VMX_VMCS_CTRL_PROC_EXEC2_X2APIC)
916 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC2_X2APIC\n"));
917 if (val & VMX_VMCS_CTRL_PROC_EXEC2_VPID)
918 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC2_VPID\n"));
919 if (val & VMX_VMCS_CTRL_PROC_EXEC2_WBINVD_EXIT)
920 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC2_WBINVD_EXIT\n"));
921 if (val & VMX_VMCS_CTRL_PROC_EXEC2_REAL_MODE)
922 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC2_REAL_MODE\n"));
923 if (val & VMX_VMCS_CTRL_PROC_EXEC2_PAUSE_LOOP_EXIT)
924 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC2_PAUSE_LOOP_EXIT\n"));
925
926 val = pVM->hwaccm.s.vmx.msr.vmx_proc_ctls2.n.disallowed0;
927 if (val & VMX_VMCS_CTRL_PROC_EXEC2_VIRT_APIC)
928 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC2_VIRT_APIC *must* be set\n"));
929 if (val & VMX_VMCS_CTRL_PROC_EXEC2_DESCRIPTOR_INSTR_EXIT)
930 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC2_DESCRIPTOR_INSTR_EXIT *must* be set\n"));
931 if (val & VMX_VMCS_CTRL_PROC_EXEC2_RDTSCP_EXIT)
932 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC2_RDTSCP_EXIT *must* be set\n"));
933 if (val & VMX_VMCS_CTRL_PROC_EXEC2_X2APIC)
934 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC2_X2APIC *must* be set\n"));
935 if (val & VMX_VMCS_CTRL_PROC_EXEC2_EPT)
936 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC2_EPT *must* be set\n"));
937 if (val & VMX_VMCS_CTRL_PROC_EXEC2_VPID)
938 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC2_VPID *must* be set\n"));
939 if (val & VMX_VMCS_CTRL_PROC_EXEC2_WBINVD_EXIT)
940 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC2_WBINVD_EXIT *must* be set\n"));
941 if (val & VMX_VMCS_CTRL_PROC_EXEC2_REAL_MODE)
942 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC2_REAL_MODE *must* be set\n"));
943 if (val & VMX_VMCS_CTRL_PROC_EXEC2_PAUSE_LOOP_EXIT)
944 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC2_PAUSE_LOOP_EXIT *must* be set\n"));
945 }
946
947 LogRel(("HWACCM: MSR_IA32_VMX_ENTRY_CTLS = %RX64\n", pVM->hwaccm.s.vmx.msr.vmx_entry.u));
948 val = pVM->hwaccm.s.vmx.msr.vmx_entry.n.allowed1;
949 if (val & VMX_VMCS_CTRL_ENTRY_CONTROLS_LOAD_DEBUG)
950 LogRel(("HWACCM: VMX_VMCS_CTRL_ENTRY_CONTROLS_LOAD_DEBUG\n"));
951 if (val & VMX_VMCS_CTRL_ENTRY_CONTROLS_IA64_MODE)
952 LogRel(("HWACCM: VMX_VMCS_CTRL_ENTRY_CONTROLS_IA64_MODE\n"));
953 if (val & VMX_VMCS_CTRL_ENTRY_CONTROLS_ENTRY_SMM)
954 LogRel(("HWACCM: VMX_VMCS_CTRL_ENTRY_CONTROLS_ENTRY_SMM\n"));
955 if (val & VMX_VMCS_CTRL_ENTRY_CONTROLS_DEACTIVATE_DUALMON)
956 LogRel(("HWACCM: VMX_VMCS_CTRL_ENTRY_CONTROLS_DEACTIVATE_DUALMON\n"));
957 if (val & VMX_VMCS_CTRL_ENTRY_CONTROLS_LOAD_GUEST_PERF_MSR)
958 LogRel(("HWACCM: VMX_VMCS_CTRL_ENTRY_CONTROLS_LOAD_GUEST_PERF_MSR\n"));
959 if (val & VMX_VMCS_CTRL_ENTRY_CONTROLS_LOAD_GUEST_PAT_MSR)
960 LogRel(("HWACCM: VMX_VMCS_CTRL_ENTRY_CONTROLS_LOAD_GUEST_PAT_MSR\n"));
961 if (val & VMX_VMCS_CTRL_ENTRY_CONTROLS_LOAD_GUEST_EFER_MSR)
962 LogRel(("HWACCM: VMX_VMCS_CTRL_ENTRY_CONTROLS_LOAD_GUEST_EFER_MSR\n"));
963 val = pVM->hwaccm.s.vmx.msr.vmx_entry.n.disallowed0;
964 if (val & VMX_VMCS_CTRL_ENTRY_CONTROLS_LOAD_DEBUG)
965 LogRel(("HWACCM: VMX_VMCS_CTRL_ENTRY_CONTROLS_LOAD_DEBUG *must* be set\n"));
966 if (val & VMX_VMCS_CTRL_ENTRY_CONTROLS_IA64_MODE)
967 LogRel(("HWACCM: VMX_VMCS_CTRL_ENTRY_CONTROLS_IA64_MODE *must* be set\n"));
968 if (val & VMX_VMCS_CTRL_ENTRY_CONTROLS_ENTRY_SMM)
969 LogRel(("HWACCM: VMX_VMCS_CTRL_ENTRY_CONTROLS_ENTRY_SMM *must* be set\n"));
970 if (val & VMX_VMCS_CTRL_ENTRY_CONTROLS_DEACTIVATE_DUALMON)
971 LogRel(("HWACCM: VMX_VMCS_CTRL_ENTRY_CONTROLS_DEACTIVATE_DUALMON *must* be set\n"));
972 if (val & VMX_VMCS_CTRL_ENTRY_CONTROLS_LOAD_GUEST_PERF_MSR)
973 LogRel(("HWACCM: VMX_VMCS_CTRL_ENTRY_CONTROLS_LOAD_GUEST_PERF_MSR *must* be set\n"));
974 if (val & VMX_VMCS_CTRL_ENTRY_CONTROLS_LOAD_GUEST_PAT_MSR)
975 LogRel(("HWACCM: VMX_VMCS_CTRL_ENTRY_CONTROLS_LOAD_GUEST_PAT_MSR *must* be set\n"));
976 if (val & VMX_VMCS_CTRL_ENTRY_CONTROLS_LOAD_GUEST_EFER_MSR)
977 LogRel(("HWACCM: VMX_VMCS_CTRL_ENTRY_CONTROLS_LOAD_GUEST_EFER_MSR *must* be set\n"));
978
979 LogRel(("HWACCM: MSR_IA32_VMX_EXIT_CTLS = %RX64\n", pVM->hwaccm.s.vmx.msr.vmx_exit.u));
980 val = pVM->hwaccm.s.vmx.msr.vmx_exit.n.allowed1;
981 if (val & VMX_VMCS_CTRL_EXIT_CONTROLS_SAVE_DEBUG)
982 LogRel(("HWACCM: VMX_VMCS_CTRL_EXIT_CONTROLS_SAVE_DEBUG\n"));
983 if (val & VMX_VMCS_CTRL_EXIT_CONTROLS_HOST_AMD64)
984 LogRel(("HWACCM: VMX_VMCS_CTRL_EXIT_CONTROLS_HOST_AMD64\n"));
985 if (val & VMX_VMCS_CTRL_EXIT_CONTROLS_ACK_EXTERNAL_IRQ)
986 LogRel(("HWACCM: VMX_VMCS_CTRL_EXIT_CONTROLS_ACK_EXTERNAL_IRQ\n"));
987 if (val & VMX_VMCS_CTRL_EXIT_CONTROLS_SAVE_GUEST_PAT_MSR)
988 LogRel(("HWACCM: VMX_VMCS_CTRL_EXIT_CONTROLS_SAVE_GUEST_PAT_MSR\n"));
989 if (val & VMX_VMCS_CTRL_EXIT_CONTROLS_LOAD_HOST_PAT_MSR)
990 LogRel(("HWACCM: VMX_VMCS_CTRL_EXIT_CONTROLS_LOAD_HOST_PAT_MSR\n"));
991 if (val & VMX_VMCS_CTRL_EXIT_CONTROLS_SAVE_GUEST_EFER_MSR)
992 LogRel(("HWACCM: VMX_VMCS_CTRL_EXIT_CONTROLS_SAVE_GUEST_EFER_MSR\n"));
993 if (val & VMX_VMCS_CTRL_EXIT_CONTROLS_LOAD_HOST_EFER_MSR)
994 LogRel(("HWACCM: VMX_VMCS_CTRL_EXIT_CONTROLS_LOAD_HOST_EFER_MSR\n"));
995 if (val & VMX_VMCS_CTRL_EXIT_CONTROLS_SAVE_VMX_PREEMPT_TIMER)
996 LogRel(("HWACCM: VMX_VMCS_CTRL_EXIT_CONTROLS_SAVE_VMX_PREEMPT_TIMER\n"));
997 val = pVM->hwaccm.s.vmx.msr.vmx_exit.n.disallowed0;
998 if (val & VMX_VMCS_CTRL_EXIT_CONTROLS_SAVE_DEBUG)
999 LogRel(("HWACCM: VMX_VMCS_CTRL_EXIT_CONTROLS_SAVE_DEBUG *must* be set\n"));
1000 if (val & VMX_VMCS_CTRL_EXIT_CONTROLS_HOST_AMD64)
1001 LogRel(("HWACCM: VMX_VMCS_CTRL_EXIT_CONTROLS_HOST_AMD64 *must* be set\n"));
1002 if (val & VMX_VMCS_CTRL_EXIT_CONTROLS_ACK_EXTERNAL_IRQ)
1003 LogRel(("HWACCM: VMX_VMCS_CTRL_EXIT_CONTROLS_ACK_EXTERNAL_IRQ *must* be set\n"));
1004 if (val & VMX_VMCS_CTRL_EXIT_CONTROLS_SAVE_GUEST_PAT_MSR)
1005 LogRel(("HWACCM: VMX_VMCS_CTRL_EXIT_CONTROLS_SAVE_GUEST_PAT_MSR *must* be set\n"));
1006 if (val & VMX_VMCS_CTRL_EXIT_CONTROLS_LOAD_HOST_PAT_MSR)
1007 LogRel(("HWACCM: VMX_VMCS_CTRL_EXIT_CONTROLS_LOAD_HOST_PAT_MSR *must* be set\n"));
1008 if (val & VMX_VMCS_CTRL_EXIT_CONTROLS_SAVE_GUEST_EFER_MSR)
1009 LogRel(("HWACCM: VMX_VMCS_CTRL_EXIT_CONTROLS_SAVE_GUEST_EFER_MSR *must* be set\n"));
1010 if (val & VMX_VMCS_CTRL_EXIT_CONTROLS_LOAD_HOST_EFER_MSR)
1011 LogRel(("HWACCM: VMX_VMCS_CTRL_EXIT_CONTROLS_LOAD_HOST_EFER_MSR *must* be set\n"));
1012 if (val & VMX_VMCS_CTRL_EXIT_CONTROLS_SAVE_VMX_PREEMPT_TIMER)
1013 LogRel(("HWACCM: VMX_VMCS_CTRL_EXIT_CONTROLS_SAVE_VMX_PREEMPT_TIMER *must* be set\n"));
1014
1015 if (pVM->hwaccm.s.vmx.msr.vmx_eptcaps)
1016 {
1017 LogRel(("HWACCM: MSR_IA32_VMX_EPT_VPID_CAPS = %RX64\n", pVM->hwaccm.s.vmx.msr.vmx_eptcaps));
1018
1019 if (pVM->hwaccm.s.vmx.msr.vmx_eptcaps & MSR_IA32_VMX_EPT_CAPS_RWX_X_ONLY)
1020 LogRel(("HWACCM: MSR_IA32_VMX_EPT_CAPS_RWX_X_ONLY\n"));
1021 if (pVM->hwaccm.s.vmx.msr.vmx_eptcaps & MSR_IA32_VMX_EPT_CAPS_RWX_W_ONLY)
1022 LogRel(("HWACCM: MSR_IA32_VMX_EPT_CAPS_RWX_W_ONLY\n"));
1023 if (pVM->hwaccm.s.vmx.msr.vmx_eptcaps & MSR_IA32_VMX_EPT_CAPS_RWX_WX_ONLY)
1024 LogRel(("HWACCM: MSR_IA32_VMX_EPT_CAPS_RWX_WX_ONLY\n"));
1025 if (pVM->hwaccm.s.vmx.msr.vmx_eptcaps & MSR_IA32_VMX_EPT_CAPS_GAW_21_BITS)
1026 LogRel(("HWACCM: MSR_IA32_VMX_EPT_CAPS_GAW_21_BITS\n"));
1027 if (pVM->hwaccm.s.vmx.msr.vmx_eptcaps & MSR_IA32_VMX_EPT_CAPS_GAW_30_BITS)
1028 LogRel(("HWACCM: MSR_IA32_VMX_EPT_CAPS_GAW_30_BITS\n"));
1029 if (pVM->hwaccm.s.vmx.msr.vmx_eptcaps & MSR_IA32_VMX_EPT_CAPS_GAW_39_BITS)
1030 LogRel(("HWACCM: MSR_IA32_VMX_EPT_CAPS_GAW_39_BITS\n"));
1031 if (pVM->hwaccm.s.vmx.msr.vmx_eptcaps & MSR_IA32_VMX_EPT_CAPS_GAW_48_BITS)
1032 LogRel(("HWACCM: MSR_IA32_VMX_EPT_CAPS_GAW_48_BITS\n"));
1033 if (pVM->hwaccm.s.vmx.msr.vmx_eptcaps & MSR_IA32_VMX_EPT_CAPS_GAW_57_BITS)
1034 LogRel(("HWACCM: MSR_IA32_VMX_EPT_CAPS_GAW_57_BITS\n"));
1035 if (pVM->hwaccm.s.vmx.msr.vmx_eptcaps & MSR_IA32_VMX_EPT_CAPS_EMT_UC)
1036 LogRel(("HWACCM: MSR_IA32_VMX_EPT_CAPS_EMT_UC\n"));
1037 if (pVM->hwaccm.s.vmx.msr.vmx_eptcaps & MSR_IA32_VMX_EPT_CAPS_EMT_WC)
1038 LogRel(("HWACCM: MSR_IA32_VMX_EPT_CAPS_EMT_WC\n"));
1039 if (pVM->hwaccm.s.vmx.msr.vmx_eptcaps & MSR_IA32_VMX_EPT_CAPS_EMT_WT)
1040 LogRel(("HWACCM: MSR_IA32_VMX_EPT_CAPS_EMT_WT\n"));
1041 if (pVM->hwaccm.s.vmx.msr.vmx_eptcaps & MSR_IA32_VMX_EPT_CAPS_EMT_WP)
1042 LogRel(("HWACCM: MSR_IA32_VMX_EPT_CAPS_EMT_WP\n"));
1043 if (pVM->hwaccm.s.vmx.msr.vmx_eptcaps & MSR_IA32_VMX_EPT_CAPS_EMT_WB)
1044 LogRel(("HWACCM: MSR_IA32_VMX_EPT_CAPS_EMT_WB\n"));
1045 if (pVM->hwaccm.s.vmx.msr.vmx_eptcaps & MSR_IA32_VMX_EPT_CAPS_SP_21_BITS)
1046 LogRel(("HWACCM: MSR_IA32_VMX_EPT_CAPS_SP_21_BITS\n"));
1047 if (pVM->hwaccm.s.vmx.msr.vmx_eptcaps & MSR_IA32_VMX_EPT_CAPS_SP_30_BITS)
1048 LogRel(("HWACCM: MSR_IA32_VMX_EPT_CAPS_SP_30_BITS\n"));
1049 if (pVM->hwaccm.s.vmx.msr.vmx_eptcaps & MSR_IA32_VMX_EPT_CAPS_SP_39_BITS)
1050 LogRel(("HWACCM: MSR_IA32_VMX_EPT_CAPS_SP_39_BITS\n"));
1051 if (pVM->hwaccm.s.vmx.msr.vmx_eptcaps & MSR_IA32_VMX_EPT_CAPS_SP_48_BITS)
1052 LogRel(("HWACCM: MSR_IA32_VMX_EPT_CAPS_SP_48_BITS\n"));
1053 if (pVM->hwaccm.s.vmx.msr.vmx_eptcaps & MSR_IA32_VMX_EPT_CAPS_INVEPT)
1054 LogRel(("HWACCM: MSR_IA32_VMX_EPT_CAPS_INVEPT\n"));
1055 if (pVM->hwaccm.s.vmx.msr.vmx_eptcaps & MSR_IA32_VMX_EPT_CAPS_INVEPT_CAPS_INDIV)
1056 LogRel(("HWACCM: MSR_IA32_VMX_EPT_CAPS_INVEPT_CAPS_INDIV\n"));
1057 if (pVM->hwaccm.s.vmx.msr.vmx_eptcaps & MSR_IA32_VMX_EPT_CAPS_INVEPT_CAPS_CONTEXT)
1058 LogRel(("HWACCM: MSR_IA32_VMX_EPT_CAPS_INVEPT_CAPS_CONTEXT\n"));
1059 if (pVM->hwaccm.s.vmx.msr.vmx_eptcaps & MSR_IA32_VMX_EPT_CAPS_INVEPT_CAPS_ALL)
1060 LogRel(("HWACCM: MSR_IA32_VMX_EPT_CAPS_INVEPT_CAPS_ALL\n"));
1061 if (pVM->hwaccm.s.vmx.msr.vmx_eptcaps & MSR_IA32_VMX_EPT_CAPS_INVVPID)
1062 LogRel(("HWACCM: MSR_IA32_VMX_EPT_CAPS_INVVPID\n"));
1063 if (pVM->hwaccm.s.vmx.msr.vmx_eptcaps & MSR_IA32_VMX_EPT_CAPS_INVVPID_CAPS_INDIV)
1064 LogRel(("HWACCM: MSR_IA32_VMX_EPT_CAPS_INVVPID_CAPS_INDIV\n"));
1065 if (pVM->hwaccm.s.vmx.msr.vmx_eptcaps & MSR_IA32_VMX_EPT_CAPS_INVVPID_CAPS_CONTEXT)
1066 LogRel(("HWACCM: MSR_IA32_VMX_EPT_CAPS_INVVPID_CAPS_CONTEXT\n"));
1067 if (pVM->hwaccm.s.vmx.msr.vmx_eptcaps & MSR_IA32_VMX_EPT_CAPS_INVVPID_CAPS_ALL)
1068 LogRel(("HWACCM: MSR_IA32_VMX_EPT_CAPS_INVVPID_CAPS_ALL\n"));
1069 if (pVM->hwaccm.s.vmx.msr.vmx_eptcaps & MSR_IA32_VMX_EPT_CAPS_INVVPID_CAPS_CONTEXT_GLOBAL)
1070 LogRel(("HWACCM: MSR_IA32_VMX_EPT_CAPS_INVVPID_CAPS_CONTEXT_GLOBAL\n"));
1071 }
1072
1073 LogRel(("HWACCM: MSR_IA32_VMX_MISC = %RX64\n", pVM->hwaccm.s.vmx.msr.vmx_misc));
1074 if (MSR_IA32_VMX_MISC_PREEMPT_TSC_BIT(pVM->hwaccm.s.vmx.msr.vmx_misc) == pVM->hwaccm.s.vmx.cPreemptTimerShift)
1075 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)));
1076 else
1077 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));
1078 LogRel(("HWACCM: MSR_IA32_VMX_MISC_ACTIVITY_STATES %x\n", MSR_IA32_VMX_MISC_ACTIVITY_STATES(pVM->hwaccm.s.vmx.msr.vmx_misc)));
1079 LogRel(("HWACCM: MSR_IA32_VMX_MISC_CR3_TARGET %x\n", MSR_IA32_VMX_MISC_CR3_TARGET(pVM->hwaccm.s.vmx.msr.vmx_misc)));
1080 LogRel(("HWACCM: MSR_IA32_VMX_MISC_MAX_MSR %x\n", MSR_IA32_VMX_MISC_MAX_MSR(pVM->hwaccm.s.vmx.msr.vmx_misc)));
1081 LogRel(("HWACCM: MSR_IA32_VMX_MISC_MSEG_ID %x\n", MSR_IA32_VMX_MISC_MSEG_ID(pVM->hwaccm.s.vmx.msr.vmx_misc)));
1082
1083 LogRel(("HWACCM: MSR_IA32_VMX_CR0_FIXED0 = %RX64\n", pVM->hwaccm.s.vmx.msr.vmx_cr0_fixed0));
1084 LogRel(("HWACCM: MSR_IA32_VMX_CR0_FIXED1 = %RX64\n", pVM->hwaccm.s.vmx.msr.vmx_cr0_fixed1));
1085 LogRel(("HWACCM: MSR_IA32_VMX_CR4_FIXED0 = %RX64\n", pVM->hwaccm.s.vmx.msr.vmx_cr4_fixed0));
1086 LogRel(("HWACCM: MSR_IA32_VMX_CR4_FIXED1 = %RX64\n", pVM->hwaccm.s.vmx.msr.vmx_cr4_fixed1));
1087 LogRel(("HWACCM: MSR_IA32_VMX_VMCS_ENUM = %RX64\n", pVM->hwaccm.s.vmx.msr.vmx_vmcs_enum));
1088
1089 LogRel(("HWACCM: TPR shadow physaddr = %RHp\n", pVM->hwaccm.s.vmx.pAPICPhys));
1090
1091 /* Paranoia */
1092 AssertRelease(MSR_IA32_VMX_MISC_MAX_MSR(pVM->hwaccm.s.vmx.msr.vmx_misc) >= 512);
1093
1094 for (VMCPUID i = 0; i < pVM->cCpus; i++)
1095 {
1096 LogRel(("HWACCM: VCPU%d: MSR bitmap physaddr = %RHp\n", i, pVM->aCpus[i].hwaccm.s.vmx.pMSRBitmapPhys));
1097 LogRel(("HWACCM: VCPU%d: VMCS physaddr = %RHp\n", i, pVM->aCpus[i].hwaccm.s.vmx.HCPhysVMCS));
1098 }
1099
1100#ifdef HWACCM_VTX_WITH_EPT
1101 if (pVM->hwaccm.s.vmx.msr.vmx_proc_ctls2.n.allowed1 & VMX_VMCS_CTRL_PROC_EXEC2_EPT)
1102 pVM->hwaccm.s.fNestedPaging = pVM->hwaccm.s.fAllowNestedPaging;
1103#endif /* HWACCM_VTX_WITH_EPT */
1104#ifdef HWACCM_VTX_WITH_VPID
1105 if ( (pVM->hwaccm.s.vmx.msr.vmx_proc_ctls2.n.allowed1 & VMX_VMCS_CTRL_PROC_EXEC2_VPID)
1106 && !pVM->hwaccm.s.fNestedPaging) /* VPID and EPT are mutually exclusive. */
1107 pVM->hwaccm.s.vmx.fVPID = pVM->hwaccm.s.vmx.fAllowVPID;
1108#endif /* HWACCM_VTX_WITH_VPID */
1109
1110 /* Unrestricted guest execution relies on EPT. */
1111 if ( pVM->hwaccm.s.fNestedPaging
1112 && (pVM->hwaccm.s.vmx.msr.vmx_proc_ctls2.n.allowed1 & VMX_VMCS_CTRL_PROC_EXEC2_REAL_MODE))
1113 {
1114 pVM->hwaccm.s.vmx.fUnrestrictedGuest = true;
1115 }
1116
1117 /* Only try once. */
1118 pVM->hwaccm.s.fInitialized = true;
1119
1120 if (!pVM->hwaccm.s.vmx.fUnrestrictedGuest)
1121 {
1122 /* Allocate three pages for the TSS we need for real mode emulation. (2 pages for the IO bitmap) */
1123 rc = PDMR3VMMDevHeapAlloc(pVM, HWACCM_VTX_TOTAL_DEVHEAP_MEM, (RTR3PTR *)&pVM->hwaccm.s.vmx.pRealModeTSS);
1124 if (RT_SUCCESS(rc))
1125 {
1126 /* The I/O bitmap starts right after the virtual interrupt redirection bitmap. */
1127 ASMMemZero32(pVM->hwaccm.s.vmx.pRealModeTSS, sizeof(*pVM->hwaccm.s.vmx.pRealModeTSS));
1128 pVM->hwaccm.s.vmx.pRealModeTSS->offIoBitmap = sizeof(*pVM->hwaccm.s.vmx.pRealModeTSS);
1129 /* Bit set to 0 means redirection enabled. */
1130 memset(pVM->hwaccm.s.vmx.pRealModeTSS->IntRedirBitmap, 0x0, sizeof(pVM->hwaccm.s.vmx.pRealModeTSS->IntRedirBitmap));
1131 /* Allow all port IO, so the VT-x IO intercepts do their job. */
1132 memset(pVM->hwaccm.s.vmx.pRealModeTSS + 1, 0, PAGE_SIZE*2);
1133 *((unsigned char *)pVM->hwaccm.s.vmx.pRealModeTSS + HWACCM_VTX_TSS_SIZE - 2) = 0xff;
1134
1135 /* Construct a 1024 element page directory with 4 MB pages for the identity mapped page table used in
1136 * real and protected mode without paging with EPT.
1137 */
1138 pVM->hwaccm.s.vmx.pNonPagingModeEPTPageTable = (PX86PD)((char *)pVM->hwaccm.s.vmx.pRealModeTSS + PAGE_SIZE * 3);
1139 for (unsigned i=0;i<X86_PG_ENTRIES;i++)
1140 {
1141 pVM->hwaccm.s.vmx.pNonPagingModeEPTPageTable->a[i].u = _4M * i;
1142 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;
1143 }
1144
1145 /* We convert it here every time as pci regions could be reconfigured. */
1146 rc = PDMVMMDevHeapR3ToGCPhys(pVM, pVM->hwaccm.s.vmx.pRealModeTSS, &GCPhys);
1147 AssertRC(rc);
1148 LogRel(("HWACCM: Real Mode TSS guest physaddr = %RGp\n", GCPhys));
1149
1150 rc = PDMVMMDevHeapR3ToGCPhys(pVM, pVM->hwaccm.s.vmx.pNonPagingModeEPTPageTable, &GCPhys);
1151 AssertRC(rc);
1152 LogRel(("HWACCM: Non-Paging Mode EPT CR3 = %RGp\n", GCPhys));
1153 }
1154 else
1155 {
1156 LogRel(("HWACCM: No real mode VT-x support (PDMR3VMMDevHeapAlloc returned %Rrc)\n", rc));
1157 pVM->hwaccm.s.vmx.pRealModeTSS = NULL;
1158 pVM->hwaccm.s.vmx.pNonPagingModeEPTPageTable = NULL;
1159 }
1160 }
1161
1162 rc = SUPR3CallVMMR0Ex(pVM->pVMR0, 0 /*idCpu*/, VMMR0_DO_HWACC_SETUP_VM, 0, NULL);
1163 AssertRC(rc);
1164 if (rc == VINF_SUCCESS)
1165 {
1166 pVM->fHWACCMEnabled = true;
1167 pVM->hwaccm.s.vmx.fEnabled = true;
1168 hwaccmR3DisableRawMode(pVM);
1169
1170 CPUMSetGuestCpuIdFeature(pVM, CPUMCPUIDFEATURE_SEP);
1171#ifdef VBOX_ENABLE_64_BITS_GUESTS
1172 if (pVM->hwaccm.s.fAllow64BitGuests)
1173 {
1174 CPUMSetGuestCpuIdFeature(pVM, CPUMCPUIDFEATURE_PAE);
1175 CPUMSetGuestCpuIdFeature(pVM, CPUMCPUIDFEATURE_LONG_MODE);
1176 CPUMSetGuestCpuIdFeature(pVM, CPUMCPUIDFEATURE_SYSCALL); /* 64 bits only on Intel CPUs */
1177 CPUMSetGuestCpuIdFeature(pVM, CPUMCPUIDFEATURE_LAHF);
1178 CPUMSetGuestCpuIdFeature(pVM, CPUMCPUIDFEATURE_NXE);
1179 }
1180 else
1181 /* Turn on NXE if PAE has been enabled *and* the host has turned on NXE (we reuse the host EFER in the switcher) */
1182 /* Todo: this needs to be fixed properly!! */
1183 if ( CPUMGetGuestCpuIdFeature(pVM, CPUMCPUIDFEATURE_PAE)
1184 && (pVM->hwaccm.s.vmx.hostEFER & MSR_K6_EFER_NXE))
1185 CPUMSetGuestCpuIdFeature(pVM, CPUMCPUIDFEATURE_NXE);
1186
1187 LogRel((pVM->hwaccm.s.fAllow64BitGuests
1188 ? "HWACCM: 32-bit and 64-bit guests supported.\n"
1189 : "HWACCM: 32-bit guests supported.\n"));
1190#else
1191 LogRel(("HWACCM: 32-bit guests supported.\n"));
1192#endif
1193 LogRel(("HWACCM: VMX enabled!\n"));
1194 if (pVM->hwaccm.s.fNestedPaging)
1195 {
1196 LogRel(("HWACCM: Enabled nested paging\n"));
1197 LogRel(("HWACCM: EPT root page = %RHp\n", PGMGetHyperCR3(VMMGetCpu(pVM))));
1198 if (pVM->hwaccm.s.vmx.fUnrestrictedGuest)
1199 LogRel(("HWACCM: Unrestricted guest execution enabled!\n"));
1200
1201#if HC_ARCH_BITS == 64
1202 if (pVM->hwaccm.s.fLargePages)
1203 {
1204 /* Use large (2 MB) pages for our EPT PDEs where possible. */
1205 PGMSetLargePageUsage(pVM, true);
1206 LogRel(("HWACCM: Large page support enabled!\n"));
1207 }
1208#endif
1209 }
1210 else
1211 Assert(!pVM->hwaccm.s.vmx.fUnrestrictedGuest);
1212
1213 if (pVM->hwaccm.s.vmx.fVPID)
1214 LogRel(("HWACCM: Enabled VPID\n"));
1215
1216 if ( pVM->hwaccm.s.fNestedPaging
1217 || pVM->hwaccm.s.vmx.fVPID)
1218 {
1219 LogRel(("HWACCM: enmFlushPage %d\n", pVM->hwaccm.s.vmx.enmFlushPage));
1220 LogRel(("HWACCM: enmFlushContext %d\n", pVM->hwaccm.s.vmx.enmFlushContext));
1221 }
1222
1223 /* TPR patching status logging. */
1224 if (pVM->hwaccm.s.fTRPPatchingAllowed)
1225 {
1226 if ( (pVM->hwaccm.s.vmx.msr.vmx_proc_ctls.n.allowed1 & VMX_VMCS_CTRL_PROC_EXEC_USE_SECONDARY_EXEC_CTRL)
1227 && (pVM->hwaccm.s.vmx.msr.vmx_proc_ctls2.n.allowed1 & VMX_VMCS_CTRL_PROC_EXEC2_VIRT_APIC))
1228 {
1229 pVM->hwaccm.s.fTRPPatchingAllowed = false; /* not necessary as we have a hardware solution. */
1230 LogRel(("HWACCM: TPR Patching not required (VMX_VMCS_CTRL_PROC_EXEC2_VIRT_APIC).\n"));
1231 }
1232 else
1233 {
1234 uint32_t u32Eax, u32Dummy;
1235
1236 /* TPR patching needs access to the MSR_K8_LSTAR msr. */
1237 ASMCpuId(0x80000000, &u32Eax, &u32Dummy, &u32Dummy, &u32Dummy);
1238 if ( u32Eax < 0x80000001
1239 || !(ASMCpuId_EDX(0x80000001) & X86_CPUID_AMD_FEATURE_EDX_LONG_MODE))
1240 {
1241 pVM->hwaccm.s.fTRPPatchingAllowed = false;
1242 LogRel(("HWACCM: TPR patching disabled (long mode not supported).\n"));
1243 }
1244 }
1245 }
1246 LogRel(("HWACCM: TPR Patching %s.\n", (pVM->hwaccm.s.fTRPPatchingAllowed) ? "enabled" : "disabled"));
1247
1248 /*
1249 * Check for preemption timer config override and log the state of it.
1250 */
1251 if (pVM->hwaccm.s.vmx.fUsePreemptTimer)
1252 {
1253 PCFGMNODE pCfgHwAccM = CFGMR3GetChild(CFGMR3GetRoot(pVM), "HWACCM");
1254 int rc2 = CFGMR3QueryBoolDef(pCfgHwAccM, "UsePreemptTimer", &pVM->hwaccm.s.vmx.fUsePreemptTimer, true);
1255 AssertLogRelRC(rc2);
1256 }
1257 if (pVM->hwaccm.s.vmx.fUsePreemptTimer)
1258 LogRel(("HWACCM: Using the VMX-preemption timer (cPreemptTimerShift=%u)\n", pVM->hwaccm.s.vmx.cPreemptTimerShift));
1259 }
1260 else
1261 {
1262 LogRel(("HWACCM: VMX setup failed with rc=%Rrc!\n", rc));
1263 LogRel(("HWACCM: Last instruction error %x\n", pVM->aCpus[0].hwaccm.s.vmx.lasterror.ulInstrError));
1264 pVM->fHWACCMEnabled = false;
1265 }
1266 }
1267 }
1268 else
1269 if (pVM->hwaccm.s.svm.fSupported)
1270 {
1271 Log(("pVM->hwaccm.s.svm.fSupported = %d\n", pVM->hwaccm.s.svm.fSupported));
1272
1273 if (pVM->hwaccm.s.fInitialized == false)
1274 {
1275 /* Erratum 170 which requires a forced TLB flush for each world switch:
1276 * See http://www.amd.com/us-en/assets/content_type/white_papers_and_tech_docs/33610.pdf
1277 *
1278 * All BH-G1/2 and DH-G1/2 models include a fix:
1279 * Athlon X2: 0x6b 1/2
1280 * 0x68 1/2
1281 * Athlon 64: 0x7f 1
1282 * 0x6f 2
1283 * Sempron: 0x7f 1/2
1284 * 0x6f 2
1285 * 0x6c 2
1286 * 0x7c 2
1287 * Turion 64: 0x68 2
1288 *
1289 */
1290 uint32_t u32Dummy;
1291 uint32_t u32Version, u32Family, u32Model, u32Stepping, u32BaseFamily;
1292 ASMCpuId(1, &u32Version, &u32Dummy, &u32Dummy, &u32Dummy);
1293 u32BaseFamily= (u32Version >> 8) & 0xf;
1294 u32Family = u32BaseFamily + (u32BaseFamily == 0xf ? ((u32Version >> 20) & 0x7f) : 0);
1295 u32Model = ((u32Version >> 4) & 0xf);
1296 u32Model = u32Model | ((u32BaseFamily == 0xf ? (u32Version >> 16) & 0x0f : 0) << 4);
1297 u32Stepping = u32Version & 0xf;
1298 if ( u32Family == 0xf
1299 && !((u32Model == 0x68 || u32Model == 0x6b || u32Model == 0x7f) && u32Stepping >= 1)
1300 && !((u32Model == 0x6f || u32Model == 0x6c || u32Model == 0x7c) && u32Stepping >= 2))
1301 {
1302 LogRel(("HWACMM: AMD cpu with erratum 170 family %x model %x stepping %x\n", u32Family, u32Model, u32Stepping));
1303 }
1304
1305 LogRel(("HWACMM: cpuid 0x80000001.u32AMDFeatureECX = %RX32\n", pVM->hwaccm.s.cpuid.u32AMDFeatureECX));
1306 LogRel(("HWACMM: cpuid 0x80000001.u32AMDFeatureEDX = %RX32\n", pVM->hwaccm.s.cpuid.u32AMDFeatureEDX));
1307 LogRel(("HWACCM: AMD HWCR MSR = %RX64\n", pVM->hwaccm.s.svm.msrHWCR));
1308 LogRel(("HWACCM: AMD-V revision = %X\n", pVM->hwaccm.s.svm.u32Rev));
1309 LogRel(("HWACCM: AMD-V max ASID = %d\n", pVM->hwaccm.s.uMaxASID));
1310 LogRel(("HWACCM: AMD-V features = %X\n", pVM->hwaccm.s.svm.u32Features));
1311 static const struct { uint32_t fFlag; const char *pszName; } s_aSvmFeatures[] =
1312 {
1313#define FLAG_NAME(a_Define) { a_Define, #a_Define }
1314 FLAG_NAME(AMD_CPUID_SVM_FEATURE_EDX_NESTED_PAGING),
1315 FLAG_NAME(AMD_CPUID_SVM_FEATURE_EDX_LBR_VIRT),
1316 FLAG_NAME(AMD_CPUID_SVM_FEATURE_EDX_SVM_LOCK),
1317 FLAG_NAME(AMD_CPUID_SVM_FEATURE_EDX_NRIP_SAVE),
1318 FLAG_NAME(AMD_CPUID_SVM_FEATURE_EDX_TSC_RATE_MSR),
1319 FLAG_NAME(AMD_CPUID_SVM_FEATURE_EDX_VMCB_CLEAN),
1320 FLAG_NAME(AMD_CPUID_SVM_FEATURE_EDX_FLUSH_BY_ASID),
1321 FLAG_NAME(AMD_CPUID_SVM_FEATURE_EDX_DECODE_ASSIST),
1322 FLAG_NAME(AMD_CPUID_SVM_FEATURE_EDX_SSE_3_5_DISABLE),
1323 FLAG_NAME(AMD_CPUID_SVM_FEATURE_EDX_PAUSE_FILTER),
1324 FLAG_NAME(AMD_CPUID_SVM_FEATURE_EDX_PAUSE_FILTER),
1325#undef FLAG_NAME
1326 };
1327 uint32_t fSvmFeatures = pVM->hwaccm.s.svm.u32Features;
1328 for (unsigned i = 0; i < RT_ELEMENTS(s_aSvmFeatures); i++)
1329 if (fSvmFeatures & s_aSvmFeatures[i].fFlag)
1330 {
1331 LogRel(("HWACCM: %s\n", s_aSvmFeatures[i].pszName));
1332 fSvmFeatures &= ~s_aSvmFeatures[i].fFlag;
1333 }
1334 if (fSvmFeatures)
1335 for (unsigned iBit = 0; iBit < 32; iBit++)
1336 if (RT_BIT_32(iBit) & fSvmFeatures)
1337 LogRel(("HWACCM: Reserved bit %u\n", iBit));
1338
1339 /* Only try once. */
1340 pVM->hwaccm.s.fInitialized = true;
1341
1342 if (pVM->hwaccm.s.svm.u32Features & AMD_CPUID_SVM_FEATURE_EDX_NESTED_PAGING)
1343 pVM->hwaccm.s.fNestedPaging = pVM->hwaccm.s.fAllowNestedPaging;
1344
1345 rc = SUPR3CallVMMR0Ex(pVM->pVMR0, 0 /*idCpu*/, VMMR0_DO_HWACC_SETUP_VM, 0, NULL);
1346 AssertRC(rc);
1347 if (rc == VINF_SUCCESS)
1348 {
1349 pVM->fHWACCMEnabled = true;
1350 pVM->hwaccm.s.svm.fEnabled = true;
1351
1352 if (pVM->hwaccm.s.fNestedPaging)
1353 {
1354 LogRel(("HWACCM: Enabled nested paging\n"));
1355#if HC_ARCH_BITS == 64
1356 if (pVM->hwaccm.s.fLargePages)
1357 {
1358 /* Use large (2 MB) pages for our nested paging PDEs where possible. */
1359 PGMSetLargePageUsage(pVM, true);
1360 LogRel(("HWACCM: Large page support enabled!\n"));
1361 }
1362#endif
1363 }
1364
1365 hwaccmR3DisableRawMode(pVM);
1366 CPUMSetGuestCpuIdFeature(pVM, CPUMCPUIDFEATURE_SEP);
1367 CPUMSetGuestCpuIdFeature(pVM, CPUMCPUIDFEATURE_SYSCALL);
1368 CPUMSetGuestCpuIdFeature(pVM, CPUMCPUIDFEATURE_RDTSCP);
1369#ifdef VBOX_ENABLE_64_BITS_GUESTS
1370 if (pVM->hwaccm.s.fAllow64BitGuests)
1371 {
1372 CPUMSetGuestCpuIdFeature(pVM, CPUMCPUIDFEATURE_PAE);
1373 CPUMSetGuestCpuIdFeature(pVM, CPUMCPUIDFEATURE_LONG_MODE);
1374 CPUMSetGuestCpuIdFeature(pVM, CPUMCPUIDFEATURE_NXE);
1375 CPUMSetGuestCpuIdFeature(pVM, CPUMCPUIDFEATURE_LAHF);
1376 }
1377 else
1378 /* Turn on NXE if PAE has been enabled. */
1379 if (CPUMGetGuestCpuIdFeature(pVM, CPUMCPUIDFEATURE_PAE))
1380 CPUMSetGuestCpuIdFeature(pVM, CPUMCPUIDFEATURE_NXE);
1381#endif
1382
1383 LogRel((pVM->hwaccm.s.fAllow64BitGuests
1384 ? "HWACCM: 32-bit and 64-bit guest supported.\n"
1385 : "HWACCM: 32-bit guest supported.\n"));
1386
1387 LogRel(("HWACCM: TPR Patching %s.\n", (pVM->hwaccm.s.fTRPPatchingAllowed) ? "enabled" : "disabled"));
1388 }
1389 else
1390 {
1391 pVM->fHWACCMEnabled = false;
1392 }
1393 }
1394 }
1395 if (pVM->fHWACCMEnabled)
1396 LogRel(("HWACCM: VT-x/AMD-V init method: %s\n", (pVM->hwaccm.s.fGlobalInit) ? "GLOBAL" : "LOCAL"));
1397 RTLogRelSetBuffering(fOldBuffered);
1398 return VINF_SUCCESS;
1399}
1400
1401/**
1402 * Applies relocations to data and code managed by this
1403 * component. This function will be called at init and
1404 * whenever the VMM need to relocate it self inside the GC.
1405 *
1406 * @param pVM The VM.
1407 */
1408VMMR3DECL(void) HWACCMR3Relocate(PVM pVM)
1409{
1410 Log(("HWACCMR3Relocate to %RGv\n", MMHyperGetArea(pVM, 0)));
1411
1412 /* Fetch the current paging mode during the relocate callback during state loading. */
1413 if (VMR3GetState(pVM) == VMSTATE_LOADING)
1414 {
1415 for (VMCPUID i = 0; i < pVM->cCpus; i++)
1416 {
1417 PVMCPU pVCpu = &pVM->aCpus[i];
1418
1419 pVCpu->hwaccm.s.enmShadowMode = PGMGetShadowMode(pVCpu);
1420 Assert(pVCpu->hwaccm.s.vmx.enmCurrGuestMode == PGMGetGuestMode(pVCpu));
1421 pVCpu->hwaccm.s.vmx.enmCurrGuestMode = PGMGetGuestMode(pVCpu);
1422 }
1423 }
1424#if HC_ARCH_BITS == 32 && defined(VBOX_ENABLE_64_BITS_GUESTS) && !defined(VBOX_WITH_HYBRID_32BIT_KERNEL)
1425 if (pVM->fHWACCMEnabled)
1426 {
1427 int rc;
1428
1429 switch(PGMGetHostMode(pVM))
1430 {
1431 case PGMMODE_32_BIT:
1432 pVM->hwaccm.s.pfnHost32ToGuest64R0 = VMMR3GetHostToGuestSwitcher(pVM, VMMSWITCHER_32_TO_AMD64);
1433 break;
1434
1435 case PGMMODE_PAE:
1436 case PGMMODE_PAE_NX:
1437 pVM->hwaccm.s.pfnHost32ToGuest64R0 = VMMR3GetHostToGuestSwitcher(pVM, VMMSWITCHER_PAE_TO_AMD64);
1438 break;
1439
1440 default:
1441 AssertFailed();
1442 break;
1443 }
1444 rc = PDMR3LdrGetSymbolRC(pVM, NULL, "VMXGCStartVM64", &pVM->hwaccm.s.pfnVMXGCStartVM64);
1445 AssertReleaseMsgRC(rc, ("VMXGCStartVM64 -> rc=%Rrc\n", rc));
1446
1447 rc = PDMR3LdrGetSymbolRC(pVM, NULL, "SVMGCVMRun64", &pVM->hwaccm.s.pfnSVMGCVMRun64);
1448 AssertReleaseMsgRC(rc, ("SVMGCVMRun64 -> rc=%Rrc\n", rc));
1449
1450 rc = PDMR3LdrGetSymbolRC(pVM, NULL, "HWACCMSaveGuestFPU64", &pVM->hwaccm.s.pfnSaveGuestFPU64);
1451 AssertReleaseMsgRC(rc, ("HWACCMSetupFPU64 -> rc=%Rrc\n", rc));
1452
1453 rc = PDMR3LdrGetSymbolRC(pVM, NULL, "HWACCMSaveGuestDebug64", &pVM->hwaccm.s.pfnSaveGuestDebug64);
1454 AssertReleaseMsgRC(rc, ("HWACCMSetupDebug64 -> rc=%Rrc\n", rc));
1455
1456# ifdef DEBUG
1457 rc = PDMR3LdrGetSymbolRC(pVM, NULL, "HWACCMTestSwitcher64", &pVM->hwaccm.s.pfnTest64);
1458 AssertReleaseMsgRC(rc, ("HWACCMTestSwitcher64 -> rc=%Rrc\n", rc));
1459# endif
1460 }
1461#endif
1462 return;
1463}
1464
1465/**
1466 * Checks hardware accelerated raw mode is allowed.
1467 *
1468 * @returns boolean
1469 * @param pVM The VM to operate on.
1470 */
1471VMMR3DECL(bool) HWACCMR3IsAllowed(PVM pVM)
1472{
1473 return pVM->hwaccm.s.fAllowed;
1474}
1475
1476/**
1477 * Notification callback which is called whenever there is a chance that a CR3
1478 * value might have changed.
1479 *
1480 * This is called by PGM.
1481 *
1482 * @param pVM The VM to operate on.
1483 * @param pVCpu The VMCPU to operate on.
1484 * @param enmShadowMode New shadow paging mode.
1485 * @param enmGuestMode New guest paging mode.
1486 */
1487VMMR3DECL(void) HWACCMR3PagingModeChanged(PVM pVM, PVMCPU pVCpu, PGMMODE enmShadowMode, PGMMODE enmGuestMode)
1488{
1489 /* Ignore page mode changes during state loading. */
1490 if (VMR3GetState(pVCpu->pVMR3) == VMSTATE_LOADING)
1491 return;
1492
1493 pVCpu->hwaccm.s.enmShadowMode = enmShadowMode;
1494
1495 if ( pVM->hwaccm.s.vmx.fEnabled
1496 && pVM->fHWACCMEnabled)
1497 {
1498 if ( pVCpu->hwaccm.s.vmx.enmLastSeenGuestMode == PGMMODE_REAL
1499 && enmGuestMode >= PGMMODE_PROTECTED)
1500 {
1501 PCPUMCTX pCtx;
1502
1503 pCtx = CPUMQueryGuestCtxPtr(pVCpu);
1504
1505 /* After a real mode switch to protected mode we must force
1506 * CPL to 0. Our real mode emulation had to set it to 3.
1507 */
1508 pCtx->ssHid.Attr.n.u2Dpl = 0;
1509 }
1510 }
1511
1512 if (pVCpu->hwaccm.s.vmx.enmCurrGuestMode != enmGuestMode)
1513 {
1514 /* Keep track of paging mode changes. */
1515 pVCpu->hwaccm.s.vmx.enmPrevGuestMode = pVCpu->hwaccm.s.vmx.enmCurrGuestMode;
1516 pVCpu->hwaccm.s.vmx.enmCurrGuestMode = enmGuestMode;
1517
1518 /* Did we miss a change, because all code was executed in the recompiler? */
1519 if (pVCpu->hwaccm.s.vmx.enmLastSeenGuestMode == enmGuestMode)
1520 {
1521 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)));
1522 pVCpu->hwaccm.s.vmx.enmLastSeenGuestMode = pVCpu->hwaccm.s.vmx.enmPrevGuestMode;
1523 }
1524 }
1525
1526 /* Reset the contents of the read cache. */
1527 PVMCSCACHE pCache = &pVCpu->hwaccm.s.vmx.VMCSCache;
1528 for (unsigned j=0;j<pCache->Read.cValidEntries;j++)
1529 pCache->Read.aFieldVal[j] = 0;
1530}
1531
1532/**
1533 * Terminates the HWACCM.
1534 *
1535 * Termination means cleaning up and freeing all resources,
1536 * the VM it self is at this point powered off or suspended.
1537 *
1538 * @returns VBox status code.
1539 * @param pVM The VM to operate on.
1540 */
1541VMMR3DECL(int) HWACCMR3Term(PVM pVM)
1542{
1543 if (pVM->hwaccm.s.vmx.pRealModeTSS)
1544 {
1545 PDMR3VMMDevHeapFree(pVM, pVM->hwaccm.s.vmx.pRealModeTSS);
1546 pVM->hwaccm.s.vmx.pRealModeTSS = 0;
1547 }
1548 hwaccmR3TermCPU(pVM);
1549 return 0;
1550}
1551
1552/**
1553 * Terminates the per-VCPU HWACCM.
1554 *
1555 * @returns VBox status code.
1556 * @param pVM The VM to operate on.
1557 */
1558static int hwaccmR3TermCPU(PVM pVM)
1559{
1560 for (VMCPUID i = 0; i < pVM->cCpus; i++)
1561 {
1562 PVMCPU pVCpu = &pVM->aCpus[i]; NOREF(pVCpu);
1563
1564#ifdef VBOX_WITH_STATISTICS
1565 if (pVCpu->hwaccm.s.paStatExitReason)
1566 {
1567 MMHyperFree(pVM, pVCpu->hwaccm.s.paStatExitReason);
1568 pVCpu->hwaccm.s.paStatExitReason = NULL;
1569 pVCpu->hwaccm.s.paStatExitReasonR0 = NIL_RTR0PTR;
1570 }
1571 if (pVCpu->hwaccm.s.paStatInjectedIrqs)
1572 {
1573 MMHyperFree(pVM, pVCpu->hwaccm.s.paStatInjectedIrqs);
1574 pVCpu->hwaccm.s.paStatInjectedIrqs = NULL;
1575 pVCpu->hwaccm.s.paStatInjectedIrqsR0 = NIL_RTR0PTR;
1576 }
1577#endif
1578
1579#ifdef VBOX_WITH_CRASHDUMP_MAGIC
1580 memset(pVCpu->hwaccm.s.vmx.VMCSCache.aMagic, 0, sizeof(pVCpu->hwaccm.s.vmx.VMCSCache.aMagic));
1581 pVCpu->hwaccm.s.vmx.VMCSCache.uMagic = 0;
1582 pVCpu->hwaccm.s.vmx.VMCSCache.uPos = 0xffffffff;
1583#endif
1584 }
1585 return 0;
1586}
1587
1588/**
1589 * Resets a virtual CPU.
1590 *
1591 * Used by HWACCMR3Reset and CPU hot plugging.
1592 *
1593 * @param pVCpu The CPU to reset.
1594 */
1595VMMR3DECL(void) HWACCMR3ResetCpu(PVMCPU pVCpu)
1596{
1597 /* On first entry we'll sync everything. */
1598 pVCpu->hwaccm.s.fContextUseFlags = HWACCM_CHANGED_ALL;
1599
1600 pVCpu->hwaccm.s.vmx.cr0_mask = 0;
1601 pVCpu->hwaccm.s.vmx.cr4_mask = 0;
1602
1603 pVCpu->hwaccm.s.fActive = false;
1604 pVCpu->hwaccm.s.Event.fPending = false;
1605
1606 /* Reset state information for real-mode emulation in VT-x. */
1607 pVCpu->hwaccm.s.vmx.enmLastSeenGuestMode = PGMMODE_REAL;
1608 pVCpu->hwaccm.s.vmx.enmPrevGuestMode = PGMMODE_REAL;
1609 pVCpu->hwaccm.s.vmx.enmCurrGuestMode = PGMMODE_REAL;
1610
1611 /* Reset the contents of the read cache. */
1612 PVMCSCACHE pCache = &pVCpu->hwaccm.s.vmx.VMCSCache;
1613 for (unsigned j=0;j<pCache->Read.cValidEntries;j++)
1614 pCache->Read.aFieldVal[j] = 0;
1615
1616#ifdef VBOX_WITH_CRASHDUMP_MAGIC
1617 /* Magic marker for searching in crash dumps. */
1618 strcpy((char *)pCache->aMagic, "VMCSCACHE Magic");
1619 pCache->uMagic = UINT64_C(0xDEADBEEFDEADBEEF);
1620#endif
1621}
1622
1623/**
1624 * The VM is being reset.
1625 *
1626 * For the HWACCM component this means that any GDT/LDT/TSS monitors
1627 * needs to be removed.
1628 *
1629 * @param pVM VM handle.
1630 */
1631VMMR3DECL(void) HWACCMR3Reset(PVM pVM)
1632{
1633 LogFlow(("HWACCMR3Reset:\n"));
1634
1635 if (pVM->fHWACCMEnabled)
1636 hwaccmR3DisableRawMode(pVM);
1637
1638 for (VMCPUID i = 0; i < pVM->cCpus; i++)
1639 {
1640 PVMCPU pVCpu = &pVM->aCpus[i];
1641
1642 HWACCMR3ResetCpu(pVCpu);
1643 }
1644
1645 /* Clear all patch information. */
1646 pVM->hwaccm.s.pGuestPatchMem = 0;
1647 pVM->hwaccm.s.pFreeGuestPatchMem = 0;
1648 pVM->hwaccm.s.cbGuestPatchMem = 0;
1649 pVM->hwaccm.s.cPatches = 0;
1650 pVM->hwaccm.s.PatchTree = 0;
1651 pVM->hwaccm.s.fTPRPatchingActive = false;
1652 ASMMemZero32(pVM->hwaccm.s.aPatches, sizeof(pVM->hwaccm.s.aPatches));
1653}
1654
1655/**
1656 * Callback to patch a TPR instruction (vmmcall or mov cr8)
1657 *
1658 * @returns VBox strict status code.
1659 * @param pVM The VM handle.
1660 * @param pVCpu The VMCPU for the EMT we're being called on.
1661 * @param pvUser Unused
1662 *
1663 */
1664DECLCALLBACK(VBOXSTRICTRC) hwaccmR3RemovePatches(PVM pVM, PVMCPU pVCpu, void *pvUser)
1665{
1666 VMCPUID idCpu = (VMCPUID)(uintptr_t)pvUser;
1667
1668 /* Only execute the handler on the VCPU the original patch request was issued. */
1669 if (pVCpu->idCpu != idCpu)
1670 return VINF_SUCCESS;
1671
1672 Log(("hwaccmR3RemovePatches\n"));
1673 for (unsigned i = 0; i < pVM->hwaccm.s.cPatches; i++)
1674 {
1675 uint8_t szInstr[15];
1676 PHWACCMTPRPATCH pPatch = &pVM->hwaccm.s.aPatches[i];
1677 RTGCPTR pInstrGC = (RTGCPTR)pPatch->Core.Key;
1678 int rc;
1679
1680#ifdef LOG_ENABLED
1681 char szOutput[256];
1682
1683 rc = DBGFR3DisasInstrEx(pVM, pVCpu->idCpu, CPUMGetGuestCS(pVCpu), pInstrGC, DBGF_DISAS_FLAGS_DEFAULT_MODE,
1684 szOutput, sizeof(szOutput), NULL);
1685 if (RT_SUCCESS(rc))
1686 Log(("Patched instr: %s\n", szOutput));
1687#endif
1688
1689 /* Check if the instruction is still the same. */
1690 rc = PGMPhysSimpleReadGCPtr(pVCpu, szInstr, pInstrGC, pPatch->cbNewOp);
1691 if (rc != VINF_SUCCESS)
1692 {
1693 Log(("Patched code removed? (rc=%Rrc0\n", rc));
1694 continue; /* swapped out or otherwise removed; skip it. */
1695 }
1696
1697 if (memcmp(szInstr, pPatch->aNewOpcode, pPatch->cbNewOp))
1698 {
1699 Log(("Patched instruction was changed! (rc=%Rrc0\n", rc));
1700 continue; /* skip it. */
1701 }
1702
1703 rc = PGMPhysSimpleWriteGCPtr(pVCpu, pInstrGC, pPatch->aOpcode, pPatch->cbOp);
1704 AssertRC(rc);
1705
1706#ifdef LOG_ENABLED
1707 rc = DBGFR3DisasInstrEx(pVM, pVCpu->idCpu, CPUMGetGuestCS(pVCpu), pInstrGC, DBGF_DISAS_FLAGS_DEFAULT_MODE,
1708 szOutput, sizeof(szOutput), NULL);
1709 if (RT_SUCCESS(rc))
1710 Log(("Original instr: %s\n", szOutput));
1711#endif
1712 }
1713 pVM->hwaccm.s.cPatches = 0;
1714 pVM->hwaccm.s.PatchTree = 0;
1715 pVM->hwaccm.s.pFreeGuestPatchMem = pVM->hwaccm.s.pGuestPatchMem;
1716 pVM->hwaccm.s.fTPRPatchingActive = false;
1717 return VINF_SUCCESS;
1718}
1719
1720/**
1721 * Enable patching in a VT-x/AMD-V guest
1722 *
1723 * @returns VBox status code.
1724 * @param pVM The VM to operate on.
1725 * @param idCpu VCPU to execute hwaccmR3RemovePatches on
1726 * @param pPatchMem Patch memory range
1727 * @param cbPatchMem Size of the memory range
1728 */
1729int hwaccmR3EnablePatching(PVM pVM, VMCPUID idCpu, RTRCPTR pPatchMem, unsigned cbPatchMem)
1730{
1731 int rc = VMMR3EmtRendezvous(pVM, VMMEMTRENDEZVOUS_FLAGS_TYPE_ONE_BY_ONE, hwaccmR3RemovePatches, (void *)(uintptr_t)idCpu);
1732 AssertRC(rc);
1733
1734 pVM->hwaccm.s.pGuestPatchMem = pPatchMem;
1735 pVM->hwaccm.s.pFreeGuestPatchMem = pPatchMem;
1736 pVM->hwaccm.s.cbGuestPatchMem = cbPatchMem;
1737 return VINF_SUCCESS;
1738}
1739
1740/**
1741 * Enable patching in a VT-x/AMD-V guest
1742 *
1743 * @returns VBox status code.
1744 * @param pVM The VM to operate on.
1745 * @param pPatchMem Patch memory range
1746 * @param cbPatchMem Size of the memory range
1747 */
1748VMMR3DECL(int) HWACMMR3EnablePatching(PVM pVM, RTGCPTR pPatchMem, unsigned cbPatchMem)
1749{
1750 VM_ASSERT_EMT(pVM);
1751 Log(("HWACMMR3EnablePatching %RGv size %x\n", pPatchMem, cbPatchMem));
1752 if (pVM->cCpus > 1)
1753 {
1754 /* We own the IOM lock here and could cause a deadlock by waiting for a VCPU that is blocking on the IOM lock. */
1755 int rc = VMR3ReqCallNoWait(pVM, VMCPUID_ANY_QUEUE,
1756 (PFNRT)hwaccmR3EnablePatching, 4, pVM, VMMGetCpuId(pVM), (RTRCPTR)pPatchMem, cbPatchMem);
1757 AssertRC(rc);
1758 return rc;
1759 }
1760 return hwaccmR3EnablePatching(pVM, VMMGetCpuId(pVM), (RTRCPTR)pPatchMem, cbPatchMem);
1761}
1762
1763/**
1764 * Disable patching in a VT-x/AMD-V guest
1765 *
1766 * @returns VBox status code.
1767 * @param pVM The VM to operate on.
1768 * @param pPatchMem Patch memory range
1769 * @param cbPatchMem Size of the memory range
1770 */
1771VMMR3DECL(int) HWACMMR3DisablePatching(PVM pVM, RTGCPTR pPatchMem, unsigned cbPatchMem)
1772{
1773 Log(("HWACMMR3DisablePatching %RGv size %x\n", pPatchMem, cbPatchMem));
1774
1775 Assert(pVM->hwaccm.s.pGuestPatchMem == pPatchMem);
1776 Assert(pVM->hwaccm.s.cbGuestPatchMem == cbPatchMem);
1777
1778 /* @todo Potential deadlock when other VCPUs are waiting on the IOM lock (we own it)!! */
1779 int rc = VMMR3EmtRendezvous(pVM, VMMEMTRENDEZVOUS_FLAGS_TYPE_ONE_BY_ONE, hwaccmR3RemovePatches, (void *)(uintptr_t)VMMGetCpuId(pVM));
1780 AssertRC(rc);
1781
1782 pVM->hwaccm.s.pGuestPatchMem = 0;
1783 pVM->hwaccm.s.pFreeGuestPatchMem = 0;
1784 pVM->hwaccm.s.cbGuestPatchMem = 0;
1785 pVM->hwaccm.s.fTPRPatchingActive = false;
1786 return VINF_SUCCESS;
1787}
1788
1789
1790/**
1791 * Callback to patch a TPR instruction (vmmcall or mov cr8)
1792 *
1793 * @returns VBox strict status code.
1794 * @param pVM The VM handle.
1795 * @param pVCpu The VMCPU for the EMT we're being called on.
1796 * @param pvUser User specified CPU context
1797 *
1798 */
1799DECLCALLBACK(VBOXSTRICTRC) hwaccmR3ReplaceTprInstr(PVM pVM, PVMCPU pVCpu, void *pvUser)
1800{
1801 VMCPUID idCpu = (VMCPUID)(uintptr_t)pvUser;
1802 PCPUMCTX pCtx = CPUMQueryGuestCtxPtr(pVCpu);
1803 PDISCPUSTATE pDis = &pVCpu->hwaccm.s.DisState;
1804 unsigned cbOp;
1805
1806 /* 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) */
1807 if (pVCpu->idCpu != idCpu)
1808 return VINF_SUCCESS;
1809
1810 Log(("hwaccmR3ReplaceTprInstr: %RGv\n", pCtx->rip));
1811
1812 /* Two or more VCPUs were racing to patch this instruction. */
1813 PHWACCMTPRPATCH pPatch = (PHWACCMTPRPATCH)RTAvloU32Get(&pVM->hwaccm.s.PatchTree, (AVLOU32KEY)pCtx->eip);
1814 if (pPatch)
1815 return VINF_SUCCESS;
1816
1817 Assert(pVM->hwaccm.s.cPatches < RT_ELEMENTS(pVM->hwaccm.s.aPatches));
1818
1819 int rc = EMInterpretDisasOne(pVM, pVCpu, CPUMCTX2CORE(pCtx), pDis, &cbOp);
1820 AssertRC(rc);
1821 if ( rc == VINF_SUCCESS
1822 && pDis->pCurInstr->opcode == OP_MOV
1823 && cbOp >= 3)
1824 {
1825 uint8_t aVMMCall[3] = { 0xf, 0x1, 0xd9};
1826 uint32_t idx = pVM->hwaccm.s.cPatches;
1827
1828 pPatch = &pVM->hwaccm.s.aPatches[idx];
1829
1830 rc = PGMPhysSimpleReadGCPtr(pVCpu, pPatch->aOpcode, pCtx->rip, cbOp);
1831 AssertRC(rc);
1832
1833 pPatch->cbOp = cbOp;
1834
1835 if (pDis->param1.flags == USE_DISPLACEMENT32)
1836 {
1837 /* write. */
1838 if (pDis->param2.flags == USE_REG_GEN32)
1839 {
1840 pPatch->enmType = HWACCMTPRINSTR_WRITE_REG;
1841 pPatch->uSrcOperand = pDis->param2.base.reg_gen;
1842 }
1843 else
1844 {
1845 Assert(pDis->param2.flags == USE_IMMEDIATE32);
1846 pPatch->enmType = HWACCMTPRINSTR_WRITE_IMM;
1847 pPatch->uSrcOperand = pDis->param2.parval;
1848 }
1849 rc = PGMPhysSimpleWriteGCPtr(pVCpu, pCtx->rip, aVMMCall, sizeof(aVMMCall));
1850 AssertRC(rc);
1851
1852 memcpy(pPatch->aNewOpcode, aVMMCall, sizeof(aVMMCall));
1853 pPatch->cbNewOp = sizeof(aVMMCall);
1854 }
1855 else
1856 {
1857 RTGCPTR oldrip = pCtx->rip;
1858 uint32_t oldcbOp = cbOp;
1859 uint32_t uMmioReg = pDis->param1.base.reg_gen;
1860
1861 /* read */
1862 Assert(pDis->param1.flags == USE_REG_GEN32);
1863
1864 /* Found:
1865 * mov eax, dword [fffe0080] (5 bytes)
1866 * Check if next instruction is:
1867 * shr eax, 4
1868 */
1869 pCtx->rip += cbOp;
1870 rc = EMInterpretDisasOne(pVM, pVCpu, CPUMCTX2CORE(pCtx), pDis, &cbOp);
1871 pCtx->rip = oldrip;
1872 if ( rc == VINF_SUCCESS
1873 && pDis->pCurInstr->opcode == OP_SHR
1874 && pDis->param1.flags == USE_REG_GEN32
1875 && pDis->param1.base.reg_gen == uMmioReg
1876 && pDis->param2.flags == USE_IMMEDIATE8
1877 && pDis->param2.parval == 4
1878 && oldcbOp + cbOp < sizeof(pVM->hwaccm.s.aPatches[idx].aOpcode))
1879 {
1880 uint8_t szInstr[15];
1881
1882 /* Replacing two instructions now. */
1883 rc = PGMPhysSimpleReadGCPtr(pVCpu, &pPatch->aOpcode, pCtx->rip, oldcbOp + cbOp);
1884 AssertRC(rc);
1885
1886 pPatch->cbOp = oldcbOp + cbOp;
1887
1888 /* 0xF0, 0x0F, 0x20, 0xC0 = mov eax, cr8 */
1889 szInstr[0] = 0xF0;
1890 szInstr[1] = 0x0F;
1891 szInstr[2] = 0x20;
1892 szInstr[3] = 0xC0 | pDis->param1.base.reg_gen;
1893 for (unsigned i = 4; i < pPatch->cbOp; i++)
1894 szInstr[i] = 0x90; /* nop */
1895
1896 rc = PGMPhysSimpleWriteGCPtr(pVCpu, pCtx->rip, szInstr, pPatch->cbOp);
1897 AssertRC(rc);
1898
1899 memcpy(pPatch->aNewOpcode, szInstr, pPatch->cbOp);
1900 pPatch->cbNewOp = pPatch->cbOp;
1901
1902 Log(("Acceptable read/shr candidate!\n"));
1903 pPatch->enmType = HWACCMTPRINSTR_READ_SHR4;
1904 }
1905 else
1906 {
1907 pPatch->enmType = HWACCMTPRINSTR_READ;
1908 pPatch->uDstOperand = pDis->param1.base.reg_gen;
1909
1910 rc = PGMPhysSimpleWriteGCPtr(pVCpu, pCtx->rip, aVMMCall, sizeof(aVMMCall));
1911 AssertRC(rc);
1912
1913 memcpy(pPatch->aNewOpcode, aVMMCall, sizeof(aVMMCall));
1914 pPatch->cbNewOp = sizeof(aVMMCall);
1915 }
1916 }
1917
1918 pPatch->Core.Key = pCtx->eip;
1919 rc = RTAvloU32Insert(&pVM->hwaccm.s.PatchTree, &pPatch->Core);
1920 AssertRC(rc);
1921
1922 pVM->hwaccm.s.cPatches++;
1923 STAM_COUNTER_INC(&pVM->hwaccm.s.StatTPRReplaceSuccess);
1924 return VINF_SUCCESS;
1925 }
1926
1927 /* Save invalid patch, so we will not try again. */
1928 uint32_t idx = pVM->hwaccm.s.cPatches;
1929
1930#ifdef LOG_ENABLED
1931 char szOutput[256];
1932 rc = DBGFR3DisasInstrEx(pVM, pVCpu->idCpu, pCtx->cs, pCtx->rip, DBGF_DISAS_FLAGS_DEFAULT_MODE,
1933 szOutput, sizeof(szOutput), NULL);
1934 if (RT_SUCCESS(rc))
1935 Log(("Failed to patch instr: %s\n", szOutput));
1936#endif
1937
1938 pPatch = &pVM->hwaccm.s.aPatches[idx];
1939 pPatch->Core.Key = pCtx->eip;
1940 pPatch->enmType = HWACCMTPRINSTR_INVALID;
1941 rc = RTAvloU32Insert(&pVM->hwaccm.s.PatchTree, &pPatch->Core);
1942 AssertRC(rc);
1943 pVM->hwaccm.s.cPatches++;
1944 STAM_COUNTER_INC(&pVM->hwaccm.s.StatTPRReplaceFailure);
1945 return VINF_SUCCESS;
1946}
1947
1948/**
1949 * Callback to patch a TPR instruction (jump to generated code)
1950 *
1951 * @returns VBox strict status code.
1952 * @param pVM The VM handle.
1953 * @param pVCpu The VMCPU for the EMT we're being called on.
1954 * @param pvUser User specified CPU context
1955 *
1956 */
1957DECLCALLBACK(VBOXSTRICTRC) hwaccmR3PatchTprInstr(PVM pVM, PVMCPU pVCpu, void *pvUser)
1958{
1959 VMCPUID idCpu = (VMCPUID)(uintptr_t)pvUser;
1960 PCPUMCTX pCtx = CPUMQueryGuestCtxPtr(pVCpu);
1961 PDISCPUSTATE pDis = &pVCpu->hwaccm.s.DisState;
1962 unsigned cbOp;
1963 int rc;
1964#ifdef LOG_ENABLED
1965 RTGCPTR pInstr;
1966 char szOutput[256];
1967#endif
1968
1969 /* 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) */
1970 if (pVCpu->idCpu != idCpu)
1971 return VINF_SUCCESS;
1972
1973 Assert(pVM->hwaccm.s.cPatches < RT_ELEMENTS(pVM->hwaccm.s.aPatches));
1974
1975 /* Two or more VCPUs were racing to patch this instruction. */
1976 PHWACCMTPRPATCH pPatch = (PHWACCMTPRPATCH)RTAvloU32Get(&pVM->hwaccm.s.PatchTree, (AVLOU32KEY)pCtx->eip);
1977 if (pPatch)
1978 {
1979 Log(("hwaccmR3PatchTprInstr: already patched %RGv\n", pCtx->rip));
1980 return VINF_SUCCESS;
1981 }
1982
1983 Log(("hwaccmR3PatchTprInstr %RGv\n", pCtx->rip));
1984
1985 rc = EMInterpretDisasOne(pVM, pVCpu, CPUMCTX2CORE(pCtx), pDis, &cbOp);
1986 AssertRC(rc);
1987 if ( rc == VINF_SUCCESS
1988 && pDis->pCurInstr->opcode == OP_MOV
1989 && cbOp >= 5)
1990 {
1991 uint32_t idx = pVM->hwaccm.s.cPatches;
1992 uint8_t aPatch[64];
1993 uint32_t off = 0;
1994
1995 pPatch = &pVM->hwaccm.s.aPatches[idx];
1996
1997#ifdef LOG_ENABLED
1998 rc = DBGFR3DisasInstrEx(pVM, pVCpu->idCpu, pCtx->cs, pCtx->rip, DBGF_DISAS_FLAGS_DEFAULT_MODE,
1999 szOutput, sizeof(szOutput), NULL);
2000 if (RT_SUCCESS(rc))
2001 Log(("Original instr: %s\n", szOutput));
2002#endif
2003
2004 rc = PGMPhysSimpleReadGCPtr(pVCpu, pPatch->aOpcode, pCtx->rip, cbOp);
2005 AssertRC(rc);
2006
2007 pPatch->cbOp = cbOp;
2008 pPatch->enmType = HWACCMTPRINSTR_JUMP_REPLACEMENT;
2009
2010 if (pDis->param1.flags == USE_DISPLACEMENT32)
2011 {
2012 /*
2013 * TPR write:
2014 *
2015 * push ECX [51]
2016 * push EDX [52]
2017 * push EAX [50]
2018 * xor EDX,EDX [31 D2]
2019 * mov EAX,EAX [89 C0]
2020 * or
2021 * mov EAX,0000000CCh [B8 CC 00 00 00]
2022 * mov ECX,0C0000082h [B9 82 00 00 C0]
2023 * wrmsr [0F 30]
2024 * pop EAX [58]
2025 * pop EDX [5A]
2026 * pop ECX [59]
2027 * jmp return_address [E9 return_address]
2028 *
2029 */
2030 bool fUsesEax = (pDis->param2.flags == USE_REG_GEN32 && pDis->param2.base.reg_gen == USE_REG_EAX);
2031
2032 aPatch[off++] = 0x51; /* push ecx */
2033 aPatch[off++] = 0x52; /* push edx */
2034 if (!fUsesEax)
2035 aPatch[off++] = 0x50; /* push eax */
2036 aPatch[off++] = 0x31; /* xor edx, edx */
2037 aPatch[off++] = 0xD2;
2038 if (pDis->param2.flags == USE_REG_GEN32)
2039 {
2040 if (!fUsesEax)
2041 {
2042 aPatch[off++] = 0x89; /* mov eax, src_reg */
2043 aPatch[off++] = MAKE_MODRM(3, pDis->param2.base.reg_gen, USE_REG_EAX);
2044 }
2045 }
2046 else
2047 {
2048 Assert(pDis->param2.flags == USE_IMMEDIATE32);
2049 aPatch[off++] = 0xB8; /* mov eax, immediate */
2050 *(uint32_t *)&aPatch[off] = pDis->param2.parval;
2051 off += sizeof(uint32_t);
2052 }
2053 aPatch[off++] = 0xB9; /* mov ecx, 0xc0000082 */
2054 *(uint32_t *)&aPatch[off] = MSR_K8_LSTAR;
2055 off += sizeof(uint32_t);
2056
2057 aPatch[off++] = 0x0F; /* wrmsr */
2058 aPatch[off++] = 0x30;
2059 if (!fUsesEax)
2060 aPatch[off++] = 0x58; /* pop eax */
2061 aPatch[off++] = 0x5A; /* pop edx */
2062 aPatch[off++] = 0x59; /* pop ecx */
2063 }
2064 else
2065 {
2066 /*
2067 * TPR read:
2068 *
2069 * push ECX [51]
2070 * push EDX [52]
2071 * push EAX [50]
2072 * mov ECX,0C0000082h [B9 82 00 00 C0]
2073 * rdmsr [0F 32]
2074 * mov EAX,EAX [89 C0]
2075 * pop EAX [58]
2076 * pop EDX [5A]
2077 * pop ECX [59]
2078 * jmp return_address [E9 return_address]
2079 *
2080 */
2081 Assert(pDis->param1.flags == USE_REG_GEN32);
2082
2083 if (pDis->param1.base.reg_gen != USE_REG_ECX)
2084 aPatch[off++] = 0x51; /* push ecx */
2085 if (pDis->param1.base.reg_gen != USE_REG_EDX)
2086 aPatch[off++] = 0x52; /* push edx */
2087 if (pDis->param1.base.reg_gen != USE_REG_EAX)
2088 aPatch[off++] = 0x50; /* push eax */
2089
2090 aPatch[off++] = 0x31; /* xor edx, edx */
2091 aPatch[off++] = 0xD2;
2092
2093 aPatch[off++] = 0xB9; /* mov ecx, 0xc0000082 */
2094 *(uint32_t *)&aPatch[off] = MSR_K8_LSTAR;
2095 off += sizeof(uint32_t);
2096
2097 aPatch[off++] = 0x0F; /* rdmsr */
2098 aPatch[off++] = 0x32;
2099
2100 if (pDis->param1.base.reg_gen != USE_REG_EAX)
2101 {
2102 aPatch[off++] = 0x89; /* mov dst_reg, eax */
2103 aPatch[off++] = MAKE_MODRM(3, USE_REG_EAX, pDis->param1.base.reg_gen);
2104 }
2105
2106 if (pDis->param1.base.reg_gen != USE_REG_EAX)
2107 aPatch[off++] = 0x58; /* pop eax */
2108 if (pDis->param1.base.reg_gen != USE_REG_EDX)
2109 aPatch[off++] = 0x5A; /* pop edx */
2110 if (pDis->param1.base.reg_gen != USE_REG_ECX)
2111 aPatch[off++] = 0x59; /* pop ecx */
2112 }
2113 aPatch[off++] = 0xE9; /* jmp return_address */
2114 *(RTRCUINTPTR *)&aPatch[off] = ((RTRCUINTPTR)pCtx->eip + cbOp) - ((RTRCUINTPTR)pVM->hwaccm.s.pFreeGuestPatchMem + off + 4);
2115 off += sizeof(RTRCUINTPTR);
2116
2117 if (pVM->hwaccm.s.pFreeGuestPatchMem + off <= pVM->hwaccm.s.pGuestPatchMem + pVM->hwaccm.s.cbGuestPatchMem)
2118 {
2119 /* Write new code to the patch buffer. */
2120 rc = PGMPhysSimpleWriteGCPtr(pVCpu, pVM->hwaccm.s.pFreeGuestPatchMem, aPatch, off);
2121 AssertRC(rc);
2122
2123#ifdef LOG_ENABLED
2124 pInstr = pVM->hwaccm.s.pFreeGuestPatchMem;
2125 while (true)
2126 {
2127 uint32_t cb;
2128
2129 rc = DBGFR3DisasInstrEx(pVM, pVCpu->idCpu, pCtx->cs, pInstr, DBGF_DISAS_FLAGS_DEFAULT_MODE,
2130 szOutput, sizeof(szOutput), &cb);
2131 if (RT_SUCCESS(rc))
2132 Log(("Patch instr %s\n", szOutput));
2133
2134 pInstr += cb;
2135
2136 if (pInstr >= pVM->hwaccm.s.pFreeGuestPatchMem + off)
2137 break;
2138 }
2139#endif
2140
2141 pPatch->aNewOpcode[0] = 0xE9;
2142 *(RTRCUINTPTR *)&pPatch->aNewOpcode[1] = ((RTRCUINTPTR)pVM->hwaccm.s.pFreeGuestPatchMem) - ((RTRCUINTPTR)pCtx->eip + 5);
2143
2144 /* Overwrite the TPR instruction with a jump. */
2145 rc = PGMPhysSimpleWriteGCPtr(pVCpu, pCtx->eip, pPatch->aNewOpcode, 5);
2146 AssertRC(rc);
2147
2148#ifdef LOG_ENABLED
2149 rc = DBGFR3DisasInstrEx(pVM, pVCpu->idCpu, pCtx->cs, pCtx->rip, DBGF_DISAS_FLAGS_DEFAULT_MODE,
2150 szOutput, sizeof(szOutput), NULL);
2151 if (RT_SUCCESS(rc))
2152 Log(("Jump: %s\n", szOutput));
2153#endif
2154 pVM->hwaccm.s.pFreeGuestPatchMem += off;
2155 pPatch->cbNewOp = 5;
2156
2157 pPatch->Core.Key = pCtx->eip;
2158 rc = RTAvloU32Insert(&pVM->hwaccm.s.PatchTree, &pPatch->Core);
2159 AssertRC(rc);
2160
2161 pVM->hwaccm.s.cPatches++;
2162 pVM->hwaccm.s.fTPRPatchingActive = true;
2163 STAM_COUNTER_INC(&pVM->hwaccm.s.StatTPRPatchSuccess);
2164 return VINF_SUCCESS;
2165 }
2166 else
2167 Log(("Ran out of space in our patch buffer!\n"));
2168 }
2169
2170 /* Save invalid patch, so we will not try again. */
2171 uint32_t idx = pVM->hwaccm.s.cPatches;
2172
2173#ifdef LOG_ENABLED
2174 rc = DBGFR3DisasInstrEx(pVM, pVCpu->idCpu, pCtx->cs, pCtx->rip, DBGF_DISAS_FLAGS_DEFAULT_MODE,
2175 szOutput, sizeof(szOutput), NULL);
2176 if (RT_SUCCESS(rc))
2177 Log(("Failed to patch instr: %s\n", szOutput));
2178#endif
2179
2180 pPatch = &pVM->hwaccm.s.aPatches[idx];
2181 pPatch->Core.Key = pCtx->eip;
2182 pPatch->enmType = HWACCMTPRINSTR_INVALID;
2183 rc = RTAvloU32Insert(&pVM->hwaccm.s.PatchTree, &pPatch->Core);
2184 AssertRC(rc);
2185 pVM->hwaccm.s.cPatches++;
2186 STAM_COUNTER_INC(&pVM->hwaccm.s.StatTPRPatchFailure);
2187 return VINF_SUCCESS;
2188}
2189
2190/**
2191 * Attempt to patch TPR mmio instructions
2192 *
2193 * @returns VBox status code.
2194 * @param pVM The VM to operate on.
2195 * @param pVCpu The VM CPU to operate on.
2196 * @param pCtx CPU context
2197 */
2198VMMR3DECL(int) HWACCMR3PatchTprInstr(PVM pVM, PVMCPU pVCpu, PCPUMCTX pCtx)
2199{
2200 NOREF(pCtx);
2201 int rc = VMMR3EmtRendezvous(pVM, VMMEMTRENDEZVOUS_FLAGS_TYPE_ONE_BY_ONE,
2202 pVM->hwaccm.s.pGuestPatchMem ? hwaccmR3PatchTprInstr : hwaccmR3ReplaceTprInstr,
2203 (void *)(uintptr_t)pVCpu->idCpu);
2204 AssertRC(rc);
2205 return rc;
2206}
2207
2208/**
2209 * Force execution of the current IO code in the recompiler
2210 *
2211 * @returns VBox status code.
2212 * @param pVM The VM to operate on.
2213 * @param pCtx Partial VM execution context
2214 */
2215VMMR3DECL(int) HWACCMR3EmulateIoBlock(PVM pVM, PCPUMCTX pCtx)
2216{
2217 PVMCPU pVCpu = VMMGetCpu(pVM);
2218
2219 Assert(pVM->fHWACCMEnabled);
2220 Log(("HWACCMR3EmulateIoBlock\n"));
2221
2222 /* This is primarily intended to speed up Grub, so we don't care about paged protected mode. */
2223 if (HWACCMCanEmulateIoBlockEx(pCtx))
2224 {
2225 Log(("HWACCMR3EmulateIoBlock -> enabled\n"));
2226 pVCpu->hwaccm.s.EmulateIoBlock.fEnabled = true;
2227 pVCpu->hwaccm.s.EmulateIoBlock.GCPtrFunctionEip = pCtx->rip;
2228 pVCpu->hwaccm.s.EmulateIoBlock.cr0 = pCtx->cr0;
2229 return VINF_EM_RESCHEDULE_REM;
2230 }
2231 return VINF_SUCCESS;
2232}
2233
2234/**
2235 * Checks if we can currently use hardware accelerated raw mode.
2236 *
2237 * @returns boolean
2238 * @param pVM The VM to operate on.
2239 * @param pCtx Partial VM execution context
2240 */
2241VMMR3DECL(bool) HWACCMR3CanExecuteGuest(PVM pVM, PCPUMCTX pCtx)
2242{
2243 PVMCPU pVCpu = VMMGetCpu(pVM);
2244
2245 Assert(pVM->fHWACCMEnabled);
2246
2247 /* If we're still executing the IO code, then return false. */
2248 if ( RT_UNLIKELY(pVCpu->hwaccm.s.EmulateIoBlock.fEnabled)
2249 && pCtx->rip < pVCpu->hwaccm.s.EmulateIoBlock.GCPtrFunctionEip + 0x200
2250 && pCtx->rip > pVCpu->hwaccm.s.EmulateIoBlock.GCPtrFunctionEip - 0x200
2251 && pCtx->cr0 == pVCpu->hwaccm.s.EmulateIoBlock.cr0)
2252 return false;
2253
2254 pVCpu->hwaccm.s.EmulateIoBlock.fEnabled = false;
2255
2256 /* AMD-V supports real & protected mode with or without paging. */
2257 if (pVM->hwaccm.s.svm.fEnabled)
2258 {
2259 pVCpu->hwaccm.s.fActive = true;
2260 return true;
2261 }
2262
2263 pVCpu->hwaccm.s.fActive = false;
2264
2265 /* Note! The context supplied by REM is partial. If we add more checks here, be sure to verify that REM provides this info! */
2266 Assert((pVM->hwaccm.s.vmx.fUnrestrictedGuest && !pVM->hwaccm.s.vmx.pRealModeTSS) || (!pVM->hwaccm.s.vmx.fUnrestrictedGuest && pVM->hwaccm.s.vmx.pRealModeTSS));
2267
2268 bool fSupportsRealMode = pVM->hwaccm.s.vmx.fUnrestrictedGuest || PDMVMMDevHeapIsEnabled(pVM);
2269 if (!pVM->hwaccm.s.vmx.fUnrestrictedGuest)
2270 {
2271 /** The VMM device heap is a requirement for emulating real mode or protected mode without paging when the unrestricted guest execution feature is missing. */
2272 if (fSupportsRealMode)
2273 {
2274 if (CPUMIsGuestInRealModeEx(pCtx))
2275 {
2276 /* VT-x will not allow high selector bases in v86 mode; fall back to the recompiler in that case.
2277 * The base must also be equal to (sel << 4).
2278 */
2279 if ( ( pCtx->cs != (pCtx->csHid.u64Base >> 4)
2280 && pCtx->csHid.u64Base != 0xffff0000 /* we can deal with the BIOS code as it's also mapped into the lower region. */)
2281 || pCtx->ds != (pCtx->dsHid.u64Base >> 4)
2282 || pCtx->es != (pCtx->esHid.u64Base >> 4)
2283 || pCtx->fs != (pCtx->fsHid.u64Base >> 4)
2284 || pCtx->gs != (pCtx->gsHid.u64Base >> 4)
2285 || pCtx->ss != (pCtx->ssHid.u64Base >> 4))
2286 {
2287 return false;
2288 }
2289 }
2290 else
2291 {
2292 PGMMODE enmGuestMode = PGMGetGuestMode(pVCpu);
2293 /* Verify the requirements for executing code in protected mode. VT-x can't handle the CPU state right after a switch
2294 * from real to protected mode. (all sorts of RPL & DPL assumptions)
2295 */
2296 if ( pVCpu->hwaccm.s.vmx.enmLastSeenGuestMode == PGMMODE_REAL
2297 && enmGuestMode >= PGMMODE_PROTECTED)
2298 {
2299 if ( (pCtx->cs & X86_SEL_RPL)
2300 || (pCtx->ds & X86_SEL_RPL)
2301 || (pCtx->es & X86_SEL_RPL)
2302 || (pCtx->fs & X86_SEL_RPL)
2303 || (pCtx->gs & X86_SEL_RPL)
2304 || (pCtx->ss & X86_SEL_RPL))
2305 {
2306 return false;
2307 }
2308 }
2309 /* VT-x also chokes on invalid tr or ldtr selectors (minix) */
2310 if ( pCtx->gdtr.cbGdt
2311 && ( pCtx->tr > pCtx->gdtr.cbGdt
2312 || pCtx->ldtr > pCtx->gdtr.cbGdt))
2313 {
2314 return false;
2315 }
2316 }
2317 }
2318 else
2319 {
2320 if ( !CPUMIsGuestInLongModeEx(pCtx)
2321 && !pVM->hwaccm.s.vmx.fUnrestrictedGuest)
2322 {
2323 /** @todo This should (probably) be set on every excursion to the REM,
2324 * however it's too risky right now. So, only apply it when we go
2325 * back to REM for real mode execution. (The XP hack below doesn't
2326 * work reliably without this.)
2327 * Update: Implemented in EM.cpp, see #ifdef EM_NOTIFY_HWACCM. */
2328 pVM->aCpus[0].hwaccm.s.fContextUseFlags |= HWACCM_CHANGED_ALL_GUEST;
2329
2330 if ( !pVM->hwaccm.s.fNestedPaging /* requires a fake PD for real *and* protected mode without paging - stored in the VMM device heap*/
2331 || CPUMIsGuestInRealModeEx(pCtx)) /* requires a fake TSS for real mode - stored in the VMM device heap */
2332 return false;
2333
2334 /* Too early for VT-x; Solaris guests will fail with a guru meditation otherwise; same for XP. */
2335 if (pCtx->idtr.pIdt == 0 || pCtx->idtr.cbIdt == 0 || pCtx->tr == 0)
2336 return false;
2337
2338 /* The guest is about to complete the switch to protected mode. Wait a bit longer. */
2339 /* Windows XP; switch to protected mode; all selectors are marked not present in the
2340 * hidden registers (possible recompiler bug; see load_seg_vm) */
2341 if (pCtx->csHid.Attr.n.u1Present == 0)
2342 return false;
2343 if (pCtx->ssHid.Attr.n.u1Present == 0)
2344 return false;
2345
2346 /* Windows XP: possible same as above, but new recompiler requires new heuristics?
2347 VT-x doesn't seem to like something about the guest state and this stuff avoids it. */
2348 /** @todo This check is actually wrong, it doesn't take the direction of the
2349 * stack segment into account. But, it does the job for now. */
2350 if (pCtx->rsp >= pCtx->ssHid.u32Limit)
2351 return false;
2352 #if 0
2353 if ( pCtx->cs >= pCtx->gdtr.cbGdt
2354 || pCtx->ss >= pCtx->gdtr.cbGdt
2355 || pCtx->ds >= pCtx->gdtr.cbGdt
2356 || pCtx->es >= pCtx->gdtr.cbGdt
2357 || pCtx->fs >= pCtx->gdtr.cbGdt
2358 || pCtx->gs >= pCtx->gdtr.cbGdt)
2359 return false;
2360 #endif
2361 }
2362 }
2363 }
2364
2365 if (pVM->hwaccm.s.vmx.fEnabled)
2366 {
2367 uint32_t mask;
2368
2369 /* if bit N is set in cr0_fixed0, then it must be set in the guest's cr0. */
2370 mask = (uint32_t)pVM->hwaccm.s.vmx.msr.vmx_cr0_fixed0;
2371 /* Note: We ignore the NE bit here on purpose; see vmmr0\hwaccmr0.cpp for details. */
2372 mask &= ~X86_CR0_NE;
2373
2374 if (fSupportsRealMode)
2375 {
2376 /* Note: We ignore the PE & PG bits here on purpose; we emulate real and protected mode without paging. */
2377 mask &= ~(X86_CR0_PG|X86_CR0_PE);
2378 }
2379 else
2380 {
2381 /* We support protected mode without paging using identity mapping. */
2382 mask &= ~X86_CR0_PG;
2383 }
2384 if ((pCtx->cr0 & mask) != mask)
2385 return false;
2386
2387 /* if bit N is cleared in cr0_fixed1, then it must be zero in the guest's cr0. */
2388 mask = (uint32_t)~pVM->hwaccm.s.vmx.msr.vmx_cr0_fixed1;
2389 if ((pCtx->cr0 & mask) != 0)
2390 return false;
2391
2392 /* if bit N is set in cr4_fixed0, then it must be set in the guest's cr4. */
2393 mask = (uint32_t)pVM->hwaccm.s.vmx.msr.vmx_cr4_fixed0;
2394 mask &= ~X86_CR4_VMXE;
2395 if ((pCtx->cr4 & mask) != mask)
2396 return false;
2397
2398 /* if bit N is cleared in cr4_fixed1, then it must be zero in the guest's cr4. */
2399 mask = (uint32_t)~pVM->hwaccm.s.vmx.msr.vmx_cr4_fixed1;
2400 if ((pCtx->cr4 & mask) != 0)
2401 return false;
2402
2403 pVCpu->hwaccm.s.fActive = true;
2404 return true;
2405 }
2406
2407 return false;
2408}
2409
2410/**
2411 * Checks if we need to reschedule due to VMM device heap changes
2412 *
2413 * @returns boolean
2414 * @param pVM The VM to operate on.
2415 * @param pCtx VM execution context
2416 */
2417VMMR3DECL(bool) HWACCMR3IsRescheduleRequired(PVM pVM, PCPUMCTX pCtx)
2418{
2419 /** 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) */
2420 if ( pVM->hwaccm.s.vmx.fEnabled
2421 && !pVM->hwaccm.s.vmx.fUnrestrictedGuest
2422 && !CPUMIsGuestInPagedProtectedModeEx(pCtx)
2423 && !PDMVMMDevHeapIsEnabled(pVM)
2424 && (pVM->hwaccm.s.fNestedPaging || CPUMIsGuestInRealModeEx(pCtx)))
2425 return true;
2426
2427 return false;
2428}
2429
2430
2431/**
2432 * Notification from EM about a rescheduling into hardware assisted execution
2433 * mode.
2434 *
2435 * @param pVCpu Pointer to the current virtual cpu structure.
2436 */
2437VMMR3DECL(void) HWACCMR3NotifyScheduled(PVMCPU pVCpu)
2438{
2439 pVCpu->hwaccm.s.fContextUseFlags |= HWACCM_CHANGED_ALL_GUEST;
2440}
2441
2442/**
2443 * Notification from EM about returning from instruction emulation (REM / EM).
2444 *
2445 * @param pVCpu Pointer to the current virtual cpu structure.
2446 */
2447VMMR3DECL(void) HWACCMR3NotifyEmulated(PVMCPU pVCpu)
2448{
2449 pVCpu->hwaccm.s.fContextUseFlags |= HWACCM_CHANGED_ALL_GUEST;
2450}
2451
2452/**
2453 * Checks if we are currently using hardware accelerated raw mode.
2454 *
2455 * @returns boolean
2456 * @param pVCpu The VMCPU to operate on.
2457 */
2458VMMR3DECL(bool) HWACCMR3IsActive(PVMCPU pVCpu)
2459{
2460 return pVCpu->hwaccm.s.fActive;
2461}
2462
2463/**
2464 * Checks if we are currently using nested paging.
2465 *
2466 * @returns boolean
2467 * @param pVM The VM to operate on.
2468 */
2469VMMR3DECL(bool) HWACCMR3IsNestedPagingActive(PVM pVM)
2470{
2471 return pVM->hwaccm.s.fNestedPaging;
2472}
2473
2474/**
2475 * Checks if we are currently using VPID in VT-x mode.
2476 *
2477 * @returns boolean
2478 * @param pVM The VM to operate on.
2479 */
2480VMMR3DECL(bool) HWACCMR3IsVPIDActive(PVM pVM)
2481{
2482 return pVM->hwaccm.s.vmx.fVPID;
2483}
2484
2485
2486/**
2487 * Checks if internal events are pending. In that case we are not allowed to dispatch interrupts.
2488 *
2489 * @returns boolean
2490 * @param pVM The VM to operate on.
2491 */
2492VMMR3DECL(bool) HWACCMR3IsEventPending(PVMCPU pVCpu)
2493{
2494 return HWACCMIsEnabled(pVCpu->pVMR3) && pVCpu->hwaccm.s.Event.fPending;
2495}
2496
2497/**
2498 * Checks if the VMX-preemption timer is being used.
2499 *
2500 * @returns true if it is, false if it isn't.
2501 * @param pVM The VM handle.
2502 */
2503VMMR3DECL(bool) HWACCMR3IsVmxPreemptionTimerUsed(PVM pVM)
2504{
2505 return HWACCMIsEnabled(pVM)
2506 && pVM->hwaccm.s.vmx.fEnabled
2507 && pVM->hwaccm.s.vmx.fUsePreemptTimer;
2508}
2509
2510/**
2511 * Restart an I/O instruction that was refused in ring-0
2512 *
2513 * @returns Strict VBox status code. Informational status codes other than the one documented
2514 * here are to be treated as internal failure. Use IOM_SUCCESS() to check for success.
2515 * @retval VINF_SUCCESS Success.
2516 * @retval VINF_EM_FIRST-VINF_EM_LAST Success with some exceptions (see IOM_SUCCESS()), the
2517 * status code must be passed on to EM.
2518 * @retval VERR_NOT_FOUND if no pending I/O instruction.
2519 *
2520 * @param pVM The VM to operate on.
2521 * @param pVCpu The VMCPU to operate on.
2522 * @param pCtx VCPU register context
2523 */
2524VMMR3DECL(VBOXSTRICTRC) HWACCMR3RestartPendingIOInstr(PVM pVM, PVMCPU pVCpu, PCPUMCTX pCtx)
2525{
2526 HWACCMPENDINGIO enmType = pVCpu->hwaccm.s.PendingIO.enmType;
2527
2528 pVCpu->hwaccm.s.PendingIO.enmType = HWACCMPENDINGIO_INVALID;
2529
2530 if ( pVCpu->hwaccm.s.PendingIO.GCPtrRip != pCtx->rip
2531 || enmType == HWACCMPENDINGIO_INVALID)
2532 return VERR_NOT_FOUND;
2533
2534 VBOXSTRICTRC rcStrict;
2535 switch (enmType)
2536 {
2537 case HWACCMPENDINGIO_PORT_READ:
2538 {
2539 uint32_t uAndVal = pVCpu->hwaccm.s.PendingIO.s.Port.uAndVal;
2540 uint32_t u32Val = 0;
2541
2542 rcStrict = IOMIOPortRead(pVM, pVCpu->hwaccm.s.PendingIO.s.Port.uPort,
2543 &u32Val,
2544 pVCpu->hwaccm.s.PendingIO.s.Port.cbSize);
2545 if (IOM_SUCCESS(rcStrict))
2546 {
2547 /* Write back to the EAX register. */
2548 pCtx->eax = (pCtx->eax & ~uAndVal) | (u32Val & uAndVal);
2549 pCtx->rip = pVCpu->hwaccm.s.PendingIO.GCPtrRipNext;
2550 }
2551 break;
2552 }
2553
2554 case HWACCMPENDINGIO_PORT_WRITE:
2555 rcStrict = IOMIOPortWrite(pVM, pVCpu->hwaccm.s.PendingIO.s.Port.uPort,
2556 pCtx->eax & pVCpu->hwaccm.s.PendingIO.s.Port.uAndVal,
2557 pVCpu->hwaccm.s.PendingIO.s.Port.cbSize);
2558 if (IOM_SUCCESS(rcStrict))
2559 pCtx->rip = pVCpu->hwaccm.s.PendingIO.GCPtrRipNext;
2560 break;
2561
2562 default:
2563 AssertFailed();
2564 return VERR_INTERNAL_ERROR;
2565 }
2566
2567 return rcStrict;
2568}
2569
2570/**
2571 * Inject an NMI into a running VM (only VCPU 0!)
2572 *
2573 * @returns boolean
2574 * @param pVM The VM to operate on.
2575 */
2576VMMR3DECL(int) HWACCMR3InjectNMI(PVM pVM)
2577{
2578 VMCPU_FF_SET(&pVM->aCpus[0], VMCPU_FF_INTERRUPT_NMI);
2579 return VINF_SUCCESS;
2580}
2581
2582/**
2583 * Check fatal VT-x/AMD-V error and produce some meaningful
2584 * log release message.
2585 *
2586 * @param pVM The VM to operate on.
2587 * @param iStatusCode VBox status code
2588 */
2589VMMR3DECL(void) HWACCMR3CheckError(PVM pVM, int iStatusCode)
2590{
2591 for (VMCPUID i = 0; i < pVM->cCpus; i++)
2592 {
2593 switch(iStatusCode)
2594 {
2595 case VERR_VMX_INVALID_VMCS_FIELD:
2596 break;
2597
2598 case VERR_VMX_INVALID_VMCS_PTR:
2599 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.HCPhysVMCS));
2600 LogRel(("VERR_VMX_INVALID_VMCS_PTR: CPU%d Current VMCS version %x\n", i, pVM->aCpus[i].hwaccm.s.vmx.lasterror.ulVMCSRevision));
2601 LogRel(("VERR_VMX_INVALID_VMCS_PTR: CPU%d Entered Cpu %d\n", i, pVM->aCpus[i].hwaccm.s.vmx.lasterror.idEnteredCpu));
2602 LogRel(("VERR_VMX_INVALID_VMCS_PTR: CPU%d Current Cpu %d\n", i, pVM->aCpus[i].hwaccm.s.vmx.lasterror.idCurrentCpu));
2603 break;
2604
2605 case VERR_VMX_UNABLE_TO_START_VM:
2606 LogRel(("VERR_VMX_UNABLE_TO_START_VM: CPU%d instruction error %x\n", i, pVM->aCpus[i].hwaccm.s.vmx.lasterror.ulInstrError));
2607 LogRel(("VERR_VMX_UNABLE_TO_START_VM: CPU%d exit reason %x\n", i, pVM->aCpus[i].hwaccm.s.vmx.lasterror.ulExitReason));
2608#if 0 /* @todo dump the current control fields to the release log */
2609 if (pVM->aCpus[i].hwaccm.s.vmx.lasterror.ulInstrError == VMX_ERROR_VMENTRY_INVALID_CONTROL_FIELDS)
2610 {
2611
2612 }
2613#endif
2614 break;
2615
2616 case VERR_VMX_UNABLE_TO_RESUME_VM:
2617 LogRel(("VERR_VMX_UNABLE_TO_RESUME_VM: CPU%d instruction error %x\n", i, pVM->aCpus[i].hwaccm.s.vmx.lasterror.ulInstrError));
2618 LogRel(("VERR_VMX_UNABLE_TO_RESUME_VM: CPU%d exit reason %x\n", i, pVM->aCpus[i].hwaccm.s.vmx.lasterror.ulExitReason));
2619 break;
2620
2621 case VERR_VMX_INVALID_VMXON_PTR:
2622 break;
2623 }
2624 }
2625}
2626
2627/**
2628 * Execute state save operation.
2629 *
2630 * @returns VBox status code.
2631 * @param pVM VM Handle.
2632 * @param pSSM SSM operation handle.
2633 */
2634static DECLCALLBACK(int) hwaccmR3Save(PVM pVM, PSSMHANDLE pSSM)
2635{
2636 int rc;
2637
2638 Log(("hwaccmR3Save:\n"));
2639
2640 for (VMCPUID i = 0; i < pVM->cCpus; i++)
2641 {
2642 /*
2643 * Save the basic bits - fortunately all the other things can be resynced on load.
2644 */
2645 rc = SSMR3PutU32(pSSM, pVM->aCpus[i].hwaccm.s.Event.fPending);
2646 AssertRCReturn(rc, rc);
2647 rc = SSMR3PutU32(pSSM, pVM->aCpus[i].hwaccm.s.Event.errCode);
2648 AssertRCReturn(rc, rc);
2649 rc = SSMR3PutU64(pSSM, pVM->aCpus[i].hwaccm.s.Event.intInfo);
2650 AssertRCReturn(rc, rc);
2651
2652 rc = SSMR3PutU32(pSSM, pVM->aCpus[i].hwaccm.s.vmx.enmLastSeenGuestMode);
2653 AssertRCReturn(rc, rc);
2654 rc = SSMR3PutU32(pSSM, pVM->aCpus[i].hwaccm.s.vmx.enmCurrGuestMode);
2655 AssertRCReturn(rc, rc);
2656 rc = SSMR3PutU32(pSSM, pVM->aCpus[i].hwaccm.s.vmx.enmPrevGuestMode);
2657 AssertRCReturn(rc, rc);
2658 }
2659#ifdef VBOX_HWACCM_WITH_GUEST_PATCHING
2660 rc = SSMR3PutGCPtr(pSSM, pVM->hwaccm.s.pGuestPatchMem);
2661 AssertRCReturn(rc, rc);
2662 rc = SSMR3PutGCPtr(pSSM, pVM->hwaccm.s.pFreeGuestPatchMem);
2663 AssertRCReturn(rc, rc);
2664 rc = SSMR3PutU32(pSSM, pVM->hwaccm.s.cbGuestPatchMem);
2665 AssertRCReturn(rc, rc);
2666
2667 /* Store all the guest patch records too. */
2668 rc = SSMR3PutU32(pSSM, pVM->hwaccm.s.cPatches);
2669 AssertRCReturn(rc, rc);
2670
2671 for (unsigned i = 0; i < pVM->hwaccm.s.cPatches; i++)
2672 {
2673 PHWACCMTPRPATCH pPatch = &pVM->hwaccm.s.aPatches[i];
2674
2675 rc = SSMR3PutU32(pSSM, pPatch->Core.Key);
2676 AssertRCReturn(rc, rc);
2677
2678 rc = SSMR3PutMem(pSSM, pPatch->aOpcode, sizeof(pPatch->aOpcode));
2679 AssertRCReturn(rc, rc);
2680
2681 rc = SSMR3PutU32(pSSM, pPatch->cbOp);
2682 AssertRCReturn(rc, rc);
2683
2684 rc = SSMR3PutMem(pSSM, pPatch->aNewOpcode, sizeof(pPatch->aNewOpcode));
2685 AssertRCReturn(rc, rc);
2686
2687 rc = SSMR3PutU32(pSSM, pPatch->cbNewOp);
2688 AssertRCReturn(rc, rc);
2689
2690 AssertCompileSize(HWACCMTPRINSTR, 4);
2691 rc = SSMR3PutU32(pSSM, (uint32_t)pPatch->enmType);
2692 AssertRCReturn(rc, rc);
2693
2694 rc = SSMR3PutU32(pSSM, pPatch->uSrcOperand);
2695 AssertRCReturn(rc, rc);
2696
2697 rc = SSMR3PutU32(pSSM, pPatch->uDstOperand);
2698 AssertRCReturn(rc, rc);
2699
2700 rc = SSMR3PutU32(pSSM, pPatch->pJumpTarget);
2701 AssertRCReturn(rc, rc);
2702
2703 rc = SSMR3PutU32(pSSM, pPatch->cFaults);
2704 AssertRCReturn(rc, rc);
2705 }
2706#endif
2707 return VINF_SUCCESS;
2708}
2709
2710/**
2711 * Execute state load operation.
2712 *
2713 * @returns VBox status code.
2714 * @param pVM VM Handle.
2715 * @param pSSM SSM operation handle.
2716 * @param uVersion Data layout version.
2717 * @param uPass The data pass.
2718 */
2719static DECLCALLBACK(int) hwaccmR3Load(PVM pVM, PSSMHANDLE pSSM, uint32_t uVersion, uint32_t uPass)
2720{
2721 int rc;
2722
2723 Log(("hwaccmR3Load:\n"));
2724 Assert(uPass == SSM_PASS_FINAL); NOREF(uPass);
2725
2726 /*
2727 * Validate version.
2728 */
2729 if ( uVersion != HWACCM_SSM_VERSION
2730 && uVersion != HWACCM_SSM_VERSION_NO_PATCHING
2731 && uVersion != HWACCM_SSM_VERSION_2_0_X)
2732 {
2733 AssertMsgFailed(("hwaccmR3Load: Invalid version uVersion=%d!\n", uVersion));
2734 return VERR_SSM_UNSUPPORTED_DATA_UNIT_VERSION;
2735 }
2736 for (VMCPUID i = 0; i < pVM->cCpus; i++)
2737 {
2738 rc = SSMR3GetU32(pSSM, &pVM->aCpus[i].hwaccm.s.Event.fPending);
2739 AssertRCReturn(rc, rc);
2740 rc = SSMR3GetU32(pSSM, &pVM->aCpus[i].hwaccm.s.Event.errCode);
2741 AssertRCReturn(rc, rc);
2742 rc = SSMR3GetU64(pSSM, &pVM->aCpus[i].hwaccm.s.Event.intInfo);
2743 AssertRCReturn(rc, rc);
2744
2745 if (uVersion >= HWACCM_SSM_VERSION_NO_PATCHING)
2746 {
2747 uint32_t val;
2748
2749 rc = SSMR3GetU32(pSSM, &val);
2750 AssertRCReturn(rc, rc);
2751 pVM->aCpus[i].hwaccm.s.vmx.enmLastSeenGuestMode = (PGMMODE)val;
2752
2753 rc = SSMR3GetU32(pSSM, &val);
2754 AssertRCReturn(rc, rc);
2755 pVM->aCpus[i].hwaccm.s.vmx.enmCurrGuestMode = (PGMMODE)val;
2756
2757 rc = SSMR3GetU32(pSSM, &val);
2758 AssertRCReturn(rc, rc);
2759 pVM->aCpus[i].hwaccm.s.vmx.enmPrevGuestMode = (PGMMODE)val;
2760 }
2761 }
2762#ifdef VBOX_HWACCM_WITH_GUEST_PATCHING
2763 if (uVersion > HWACCM_SSM_VERSION_NO_PATCHING)
2764 {
2765 rc = SSMR3GetGCPtr(pSSM, &pVM->hwaccm.s.pGuestPatchMem);
2766 AssertRCReturn(rc, rc);
2767 rc = SSMR3GetGCPtr(pSSM, &pVM->hwaccm.s.pFreeGuestPatchMem);
2768 AssertRCReturn(rc, rc);
2769 rc = SSMR3GetU32(pSSM, &pVM->hwaccm.s.cbGuestPatchMem);
2770 AssertRCReturn(rc, rc);
2771
2772 /* Fetch all TPR patch records. */
2773 rc = SSMR3GetU32(pSSM, &pVM->hwaccm.s.cPatches);
2774 AssertRCReturn(rc, rc);
2775
2776 for (unsigned i = 0; i < pVM->hwaccm.s.cPatches; i++)
2777 {
2778 PHWACCMTPRPATCH pPatch = &pVM->hwaccm.s.aPatches[i];
2779
2780 rc = SSMR3GetU32(pSSM, &pPatch->Core.Key);
2781 AssertRCReturn(rc, rc);
2782
2783 rc = SSMR3GetMem(pSSM, pPatch->aOpcode, sizeof(pPatch->aOpcode));
2784 AssertRCReturn(rc, rc);
2785
2786 rc = SSMR3GetU32(pSSM, &pPatch->cbOp);
2787 AssertRCReturn(rc, rc);
2788
2789 rc = SSMR3GetMem(pSSM, pPatch->aNewOpcode, sizeof(pPatch->aNewOpcode));
2790 AssertRCReturn(rc, rc);
2791
2792 rc = SSMR3GetU32(pSSM, &pPatch->cbNewOp);
2793 AssertRCReturn(rc, rc);
2794
2795 rc = SSMR3GetU32(pSSM, (uint32_t *)&pPatch->enmType);
2796 AssertRCReturn(rc, rc);
2797
2798 if (pPatch->enmType == HWACCMTPRINSTR_JUMP_REPLACEMENT)
2799 pVM->hwaccm.s.fTPRPatchingActive = true;
2800
2801 Assert(pPatch->enmType == HWACCMTPRINSTR_JUMP_REPLACEMENT || pVM->hwaccm.s.fTPRPatchingActive == false);
2802
2803 rc = SSMR3GetU32(pSSM, &pPatch->uSrcOperand);
2804 AssertRCReturn(rc, rc);
2805
2806 rc = SSMR3GetU32(pSSM, &pPatch->uDstOperand);
2807 AssertRCReturn(rc, rc);
2808
2809 rc = SSMR3GetU32(pSSM, &pPatch->cFaults);
2810 AssertRCReturn(rc, rc);
2811
2812 rc = SSMR3GetU32(pSSM, &pPatch->pJumpTarget);
2813 AssertRCReturn(rc, rc);
2814
2815 Log(("hwaccmR3Load: patch %d\n", i));
2816 Log(("Key = %x\n", pPatch->Core.Key));
2817 Log(("cbOp = %d\n", pPatch->cbOp));
2818 Log(("cbNewOp = %d\n", pPatch->cbNewOp));
2819 Log(("type = %d\n", pPatch->enmType));
2820 Log(("srcop = %d\n", pPatch->uSrcOperand));
2821 Log(("dstop = %d\n", pPatch->uDstOperand));
2822 Log(("cFaults = %d\n", pPatch->cFaults));
2823 Log(("target = %x\n", pPatch->pJumpTarget));
2824 rc = RTAvloU32Insert(&pVM->hwaccm.s.PatchTree, &pPatch->Core);
2825 AssertRC(rc);
2826 }
2827 }
2828#endif
2829
2830 /* Recheck all VCPUs if we can go straight into hwaccm execution mode. */
2831 if (HWACCMIsEnabled(pVM))
2832 {
2833 for (VMCPUID i = 0; i < pVM->cCpus; i++)
2834 {
2835 PVMCPU pVCpu = &pVM->aCpus[i];
2836
2837 HWACCMR3CanExecuteGuest(pVM, CPUMQueryGuestCtxPtr(pVCpu));
2838 }
2839 }
2840 return VINF_SUCCESS;
2841}
2842
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