HWACCM.cpp@ 34219

Last change on this file since 34219 was 34187, checked in by vboxsync, 14 years ago
HWACCM.cpp: Added CFGM value /HWACCM/UsePreemptTimer <bool> for overriding fUsePreemptTimer. Added LogRel when fUsePreemptTimer is set.
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File size: 133.3 KB

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1	/* $Id: HWACCM.cpp 34187 2010-11-18 21:26:02Z 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/cpum.h>
23	#include <VBox/stam.h>
24	#include <VBox/mm.h>
25	#include <VBox/pdmapi.h>
26	#include <VBox/pgm.h>
27	#include <VBox/ssm.h>
28	#include <VBox/trpm.h>
29	#include <VBox/dbgf.h>
30	#include <VBox/iom.h>
31	#include <VBox/patm.h>
32	#include <VBox/csam.h>
33	#include <VBox/selm.h>
34	#include <VBox/rem.h>
35	#include <VBox/hwacc_vmx.h>
36	#include <VBox/hwacc_svm.h>
37	#include "HWACCMInternal.h"
38	#include <VBox/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. */
57	static 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. */
118	static 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	*******************************************************************************/
271	static DECLCALLBACK(int) hwaccmR3Save(PVM pVM, PSSMHANDLE pSSM);
272	static DECLCALLBACK(int) hwaccmR3Load(PVM pVM, PSSMHANDLE pSSM, uint32_t uVersion, uint32_t uPass);
273
274
275	/**
276	* Initializes the HWACCM.
277	*
278	* @returns VBox status code.
279	* @param pVM The VM to operate on.
280	*/
281	VMMR3DECL(int) HWACCMR3Init(PVM pVM)
282	{
283	LogFlow(("HWACCMR3Init\n"));
284
285	/*
286	* Assert alignment and sizes.
287	*/
288	AssertCompileMemberAlignment(VM, hwaccm.s, 32);
289	AssertCompile(sizeof(pVM->hwaccm.s) <= sizeof(pVM->hwaccm.padding));
290
291	/* Some structure checks. */
292	AssertReleaseMsg(RT_OFFSETOF(SVM_VMCB, ctrl.EventInject) == 0xA8, ("ctrl.EventInject offset = %x\n", RT_OFFSETOF(SVM_VMCB, ctrl.EventInject)));
293	AssertReleaseMsg(RT_OFFSETOF(SVM_VMCB, ctrl.ExitIntInfo) == 0x88, ("ctrl.ExitIntInfo offset = %x\n", RT_OFFSETOF(SVM_VMCB, ctrl.ExitIntInfo)));
294	AssertReleaseMsg(RT_OFFSETOF(SVM_VMCB, ctrl.TLBCtrl) == 0x58, ("ctrl.TLBCtrl offset = %x\n", RT_OFFSETOF(SVM_VMCB, ctrl.TLBCtrl)));
295
296	AssertReleaseMsg(RT_OFFSETOF(SVM_VMCB, guest) == 0x400, ("guest offset = %x\n", RT_OFFSETOF(SVM_VMCB, guest)));
297	AssertReleaseMsg(RT_OFFSETOF(SVM_VMCB, guest.TR) == 0x490, ("guest.TR offset = %x\n", RT_OFFSETOF(SVM_VMCB, guest.TR)));
298	AssertReleaseMsg(RT_OFFSETOF(SVM_VMCB, guest.u8CPL) == 0x4CB, ("guest.u8CPL offset = %x\n", RT_OFFSETOF(SVM_VMCB, guest.u8CPL)));
299	AssertReleaseMsg(RT_OFFSETOF(SVM_VMCB, guest.u64EFER) == 0x4D0, ("guest.u64EFER offset = %x\n", RT_OFFSETOF(SVM_VMCB, guest.u64EFER)));
300	AssertReleaseMsg(RT_OFFSETOF(SVM_VMCB, guest.u64CR4) == 0x548, ("guest.u64CR4 offset = %x\n", RT_OFFSETOF(SVM_VMCB, guest.u64CR4)));
301	AssertReleaseMsg(RT_OFFSETOF(SVM_VMCB, guest.u64RIP) == 0x578, ("guest.u64RIP offset = %x\n", RT_OFFSETOF(SVM_VMCB, guest.u64RIP)));
302	AssertReleaseMsg(RT_OFFSETOF(SVM_VMCB, guest.u64RSP) == 0x5D8, ("guest.u64RSP offset = %x\n", RT_OFFSETOF(SVM_VMCB, guest.u64RSP)));
303	AssertReleaseMsg(RT_OFFSETOF(SVM_VMCB, guest.u64CR2) == 0x640, ("guest.u64CR2 offset = %x\n", RT_OFFSETOF(SVM_VMCB, guest.u64CR2)));
304	AssertReleaseMsg(RT_OFFSETOF(SVM_VMCB, guest.u64GPAT) == 0x668, ("guest.u64GPAT offset = %x\n", RT_OFFSETOF(SVM_VMCB, guest.u64GPAT)));
305	AssertReleaseMsg(RT_OFFSETOF(SVM_VMCB, guest.u64LASTEXCPTO) == 0x690, ("guest.u64LASTEXCPTO offset = %x\n", RT_OFFSETOF(SVM_VMCB, guest.u64LASTEXCPTO)));
306	AssertReleaseMsg(sizeof(SVM_VMCB) == 0x1000, ("SVM_VMCB size = %x\n", sizeof(SVM_VMCB)));
307
308
309	/*
310	* Register the saved state data unit.
311	*/
312	int rc = SSMR3RegisterInternal(pVM, "HWACCM", 0, HWACCM_SSM_VERSION, sizeof(HWACCM),
313	NULL, NULL, NULL,
314	NULL, hwaccmR3Save, NULL,
315	NULL, hwaccmR3Load, NULL);
316	if (RT_FAILURE(rc))
317	return rc;
318
319	/* Misc initialisation. */
320	pVM->hwaccm.s.vmx.fSupported = false;
321	pVM->hwaccm.s.svm.fSupported = false;
322	pVM->hwaccm.s.vmx.fEnabled = false;
323	pVM->hwaccm.s.svm.fEnabled = false;
324
325	pVM->hwaccm.s.fNestedPaging = false;
326	pVM->hwaccm.s.fLargePages = false;
327
328	/* Disabled by default. */
329	pVM->fHWACCMEnabled = false;
330
331	/*
332	* Check CFGM options.
333	*/
334	PCFGMNODE pRoot = CFGMR3GetRoot(pVM);
335	PCFGMNODE pHWVirtExt = CFGMR3GetChild(pRoot, "HWVirtExt/");
336	/* Nested paging: disabled by default. */
337	rc = CFGMR3QueryBoolDef(pHWVirtExt, "EnableNestedPaging", &pVM->hwaccm.s.fAllowNestedPaging, false);
338	AssertRC(rc);
339
340	/* Large pages: disabled by default. */
341	rc = CFGMR3QueryBoolDef(pHWVirtExt, "EnableLargePages", &pVM->hwaccm.s.fLargePages, false);
342	AssertRC(rc);
343
344	/* VT-x VPID: disabled by default. */
345	rc = CFGMR3QueryBoolDef(pHWVirtExt, "EnableVPID", &pVM->hwaccm.s.vmx.fAllowVPID, false);
346	AssertRC(rc);
347
348	/* HWACCM support must be explicitely enabled in the configuration file. */
349	rc = CFGMR3QueryBoolDef(pHWVirtExt, "Enabled", &pVM->hwaccm.s.fAllowed, false);
350	AssertRC(rc);
351
352	/* TPR patching for 32 bits (Windows) guests with IO-APIC: disabled by default. */
353	rc = CFGMR3QueryBoolDef(pHWVirtExt, "TPRPatchingEnabled", &pVM->hwaccm.s.fTRPPatchingAllowed, false);
354	AssertRC(rc);
355
356	#ifdef RT_OS_DARWIN
357	if (VMMIsHwVirtExtForced(pVM) != pVM->hwaccm.s.fAllowed)
358	#else
359	if (VMMIsHwVirtExtForced(pVM) && !pVM->hwaccm.s.fAllowed)
360	#endif
361	{
362	AssertLogRelMsgFailed(("VMMIsHwVirtExtForced=%RTbool fAllowed=%RTbool\n",
363	VMMIsHwVirtExtForced(pVM), pVM->hwaccm.s.fAllowed));
364	return VERR_HWACCM_CONFIG_MISMATCH;
365	}
366
367	if (VMMIsHwVirtExtForced(pVM))
368	pVM->fHWACCMEnabled = true;
369
370	#if HC_ARCH_BITS == 32
371	/* 64-bit mode is configurable and it depends on both the kernel mode and VT-x.
372	* (To use the default, don't set 64bitEnabled in CFGM.) */
373	rc = CFGMR3QueryBoolDef(pHWVirtExt, "64bitEnabled", &pVM->hwaccm.s.fAllow64BitGuests, false);
374	AssertLogRelRCReturn(rc, rc);
375	if (pVM->hwaccm.s.fAllow64BitGuests)
376	{
377	# ifdef RT_OS_DARWIN
378	if (!VMMIsHwVirtExtForced(pVM))
379	# else
380	if (!pVM->hwaccm.s.fAllowed)
381	# endif
382	return VM_SET_ERROR(pVM, VERR_INVALID_PARAMETER, "64-bit guest support was requested without also enabling HWVirtEx (VT-x/AMD-V).");
383	}
384	#else
385	/* On 64-bit hosts 64-bit guest support is enabled by default, but allow this to be overridden
386	* via VBoxInternal/HWVirtExt/64bitEnabled=0. (ConsoleImpl2.cpp doesn't set this to false for 64-bit.) */
387	rc = CFGMR3QueryBoolDef(pHWVirtExt, "64bitEnabled", &pVM->hwaccm.s.fAllow64BitGuests, true);
388	AssertLogRelRCReturn(rc, rc);
389	#endif
390
391
392	/** Determine the init method for AMD-V and VT-x; either one global init for each host CPU
393	* or local init each time we wish to execute guest code.
394	*
395	* Default false for Mac OS X and Windows due to the higher risk of conflicts with other hypervisors.
396	*/
397	rc = CFGMR3QueryBoolDef(pHWVirtExt, "Exclusive", &pVM->hwaccm.s.fGlobalInit,
398	#if defined(RT_OS_DARWIN) \|\| defined(RT_OS_WINDOWS)
399	false
400	#else
401	true
402	#endif
403	);
404
405	/* Max number of resume loops. */
406	rc = CFGMR3QueryU32Def(pHWVirtExt, "MaxResumeLoops", &pVM->hwaccm.s.cMaxResumeLoops, 0 /* set by R0 later */);
407	AssertRC(rc);
408
409	return VINF_SUCCESS;
410	}
411
412	/**
413	* Initializes the per-VCPU HWACCM.
414	*
415	* @returns VBox status code.
416	* @param pVM The VM to operate on.
417	*/
418	VMMR3DECL(int) HWACCMR3InitCPU(PVM pVM)
419	{
420	LogFlow(("HWACCMR3InitCPU\n"));
421
422	for (VMCPUID i = 0; i < pVM->cCpus; i++)
423	{
424	PVMCPU pVCpu = &pVM->aCpus[i];
425
426	pVCpu->hwaccm.s.fActive = false;
427	}
428
429	#ifdef VBOX_WITH_STATISTICS
430	STAM_REG(pVM, &pVM->hwaccm.s.StatTPRPatchSuccess, STAMTYPE_COUNTER, "/HWACCM/TPR/Patch/Success", STAMUNIT_OCCURENCES, "Number of times an instruction was successfully patched.");
431	STAM_REG(pVM, &pVM->hwaccm.s.StatTPRPatchFailure, STAMTYPE_COUNTER, "/HWACCM/TPR/Patch/Failed", STAMUNIT_OCCURENCES, "Number of unsuccessful patch attempts.");
432	STAM_REG(pVM, &pVM->hwaccm.s.StatTPRReplaceSuccess, STAMTYPE_COUNTER, "/HWACCM/TPR/Replace/Success",STAMUNIT_OCCURENCES, "Number of times an instruction was successfully patched.");
433	STAM_REG(pVM, &pVM->hwaccm.s.StatTPRReplaceFailure, STAMTYPE_COUNTER, "/HWACCM/TPR/Replace/Failed", STAMUNIT_OCCURENCES, "Number of unsuccessful patch attempts.");
434
435	/*
436	* Statistics.
437	*/
438	for (VMCPUID i = 0; i < pVM->cCpus; i++)
439	{
440	PVMCPU pVCpu = &pVM->aCpus[i];
441	int rc;
442
443	rc = STAMR3RegisterF(pVM, &pVCpu->hwaccm.s.StatPoke, STAMTYPE_PROFILE, STAMVISIBILITY_USED, STAMUNIT_TICKS_PER_CALL, "Profiling of RTMpPokeCpu",
444	"/PROF/HWACCM/CPU%d/Poke", i);
445	AssertRC(rc);
446	rc = STAMR3RegisterF(pVM, &pVCpu->hwaccm.s.StatSpinPoke, STAMTYPE_PROFILE, STAMVISIBILITY_USED, STAMUNIT_TICKS_PER_CALL, "Profiling of poke wait",
447	"/PROF/HWACCM/CPU%d/PokeWait", i);
448	AssertRC(rc);
449	rc = STAMR3RegisterF(pVM, &pVCpu->hwaccm.s.StatSpinPokeFailed, STAMTYPE_PROFILE, STAMVISIBILITY_USED, STAMUNIT_TICKS_PER_CALL, "Profiling of poke wait when RTMpPokeCpu fails",
450	"/PROF/HWACCM/CPU%d/PokeWaitFailed", i);
451	AssertRC(rc);
452	rc = STAMR3RegisterF(pVM, &pVCpu->hwaccm.s.StatEntry, STAMTYPE_PROFILE, STAMVISIBILITY_USED, STAMUNIT_TICKS_PER_CALL, "Profiling of VMXR0RunGuestCode entry",
453	"/PROF/HWACCM/CPU%d/SwitchToGC", i);
454	AssertRC(rc);
455	rc = STAMR3RegisterF(pVM, &pVCpu->hwaccm.s.StatExit1, STAMTYPE_PROFILE, STAMVISIBILITY_USED, STAMUNIT_TICKS_PER_CALL, "Profiling of VMXR0RunGuestCode exit part 1",
456	"/PROF/HWACCM/CPU%d/SwitchFromGC_1", i);
457	AssertRC(rc);
458	rc = STAMR3RegisterF(pVM, &pVCpu->hwaccm.s.StatExit2, STAMTYPE_PROFILE, STAMVISIBILITY_USED, STAMUNIT_TICKS_PER_CALL, "Profiling of VMXR0RunGuestCode exit part 2",
459	"/PROF/HWACCM/CPU%d/SwitchFromGC_2", i);
460	AssertRC(rc);
461	# if 1 /* temporary for tracking down darwin holdup. */
462	rc = STAMR3RegisterF(pVM, &pVCpu->hwaccm.s.StatExit2Sub1, STAMTYPE_PROFILE, STAMVISIBILITY_USED, STAMUNIT_TICKS_PER_CALL, "Temporary - I/O",
463	"/PROF/HWACCM/CPU%d/SwitchFromGC_2/Sub1", i);
464	AssertRC(rc);
465	rc = STAMR3RegisterF(pVM, &pVCpu->hwaccm.s.StatExit2Sub2, STAMTYPE_PROFILE, STAMVISIBILITY_USED, STAMUNIT_TICKS_PER_CALL, "Temporary - CRx RWs",
466	"/PROF/HWACCM/CPU%d/SwitchFromGC_2/Sub2", i);
467	AssertRC(rc);
468	rc = STAMR3RegisterF(pVM, &pVCpu->hwaccm.s.StatExit2Sub3, STAMTYPE_PROFILE, STAMVISIBILITY_USED, STAMUNIT_TICKS_PER_CALL, "Temporary - Exceptions",
469	"/PROF/HWACCM/CPU%d/SwitchFromGC_2/Sub3", i);
470	AssertRC(rc);
471	# endif
472	rc = STAMR3RegisterF(pVM, &pVCpu->hwaccm.s.StatInGC, STAMTYPE_PROFILE, STAMVISIBILITY_USED, STAMUNIT_TICKS_PER_CALL, "Profiling of vmlaunch",
473	"/PROF/HWACCM/CPU%d/InGC", i);
474	AssertRC(rc);
475
476	# if HC_ARCH_BITS == 32 && defined(VBOX_ENABLE_64_BITS_GUESTS) && !defined(VBOX_WITH_HYBRID_32BIT_KERNEL)
477	rc = STAMR3RegisterF(pVM, &pVCpu->hwaccm.s.StatWorldSwitch3264, STAMTYPE_PROFILE, STAMVISIBILITY_USED, STAMUNIT_TICKS_PER_CALL, "Profiling of the 32/64 switcher",
478	"/PROF/HWACCM/CPU%d/Switcher3264", i);
479	AssertRC(rc);
480	# endif
481
482	# define HWACCM_REG_COUNTER(a, b) \
483	rc = STAMR3RegisterF(pVM, a, STAMTYPE_COUNTER, STAMVISIBILITY_ALWAYS, STAMUNIT_OCCURENCES, "Profiling of vmlaunch", b, i); \
484	AssertRC(rc);
485
486	HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatExitShadowNM, "/HWACCM/CPU%d/Exit/Trap/Shw/#NM");
487	HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatExitGuestNM, "/HWACCM/CPU%d/Exit/Trap/Gst/#NM");
488	HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatExitShadowPF, "/HWACCM/CPU%d/Exit/Trap/Shw/#PF");
489	HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatExitGuestPF, "/HWACCM/CPU%d/Exit/Trap/Gst/#PF");
490	HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatExitGuestUD, "/HWACCM/CPU%d/Exit/Trap/Gst/#UD");
491	HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatExitGuestSS, "/HWACCM/CPU%d/Exit/Trap/Gst/#SS");
492	HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatExitGuestNP, "/HWACCM/CPU%d/Exit/Trap/Gst/#NP");
493	HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatExitGuestGP, "/HWACCM/CPU%d/Exit/Trap/Gst/#GP");
494	HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatExitGuestMF, "/HWACCM/CPU%d/Exit/Trap/Gst/#MF");
495	HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatExitGuestDE, "/HWACCM/CPU%d/Exit/Trap/Gst/#DE");
496	HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatExitGuestDB, "/HWACCM/CPU%d/Exit/Trap/Gst/#DB");
497	HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatExitInvpg, "/HWACCM/CPU%d/Exit/Instr/Invlpg");
498	HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatExitInvd, "/HWACCM/CPU%d/Exit/Instr/Invd");
499	HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatExitCpuid, "/HWACCM/CPU%d/Exit/Instr/Cpuid");
500	HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatExitRdtsc, "/HWACCM/CPU%d/Exit/Instr/Rdtsc");
501	HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatExitRdpmc, "/HWACCM/CPU%d/Exit/Instr/Rdpmc");
502	HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatExitRdmsr, "/HWACCM/CPU%d/Exit/Instr/Rdmsr");
503	HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatExitWrmsr, "/HWACCM/CPU%d/Exit/Instr/Wrmsr");
504	HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatExitMwait, "/HWACCM/CPU%d/Exit/Instr/Mwait");
505	HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatExitMonitor, "/HWACCM/CPU%d/Exit/Instr/Monitor");
506	HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatExitDRxWrite, "/HWACCM/CPU%d/Exit/Instr/DR/Write");
507	HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatExitDRxRead, "/HWACCM/CPU%d/Exit/Instr/DR/Read");
508	HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatExitCLTS, "/HWACCM/CPU%d/Exit/Instr/CLTS");
509	HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatExitLMSW, "/HWACCM/CPU%d/Exit/Instr/LMSW");
510	HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatExitCli, "/HWACCM/CPU%d/Exit/Instr/Cli");
511	HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatExitSti, "/HWACCM/CPU%d/Exit/Instr/Sti");
512	HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatExitPushf, "/HWACCM/CPU%d/Exit/Instr/Pushf");
513	HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatExitPopf, "/HWACCM/CPU%d/Exit/Instr/Popf");
514	HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatExitIret, "/HWACCM/CPU%d/Exit/Instr/Iret");
515	HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatExitInt, "/HWACCM/CPU%d/Exit/Instr/Int");
516	HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatExitHlt, "/HWACCM/CPU%d/Exit/Instr/Hlt");
517	HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatExitIOWrite, "/HWACCM/CPU%d/Exit/IO/Write");
518	HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatExitIORead, "/HWACCM/CPU%d/Exit/IO/Read");
519	HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatExitIOStringWrite, "/HWACCM/CPU%d/Exit/IO/WriteString");
520	HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatExitIOStringRead, "/HWACCM/CPU%d/Exit/IO/ReadString");
521	HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatExitIrqWindow, "/HWACCM/CPU%d/Exit/IrqWindow");
522	HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatExitMaxResume, "/HWACCM/CPU%d/Exit/MaxResume");
523	HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatExitPreemptPending, "/HWACCM/CPU%d/Exit/PreemptPending");
524
525	HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatSwitchGuestIrq, "/HWACCM/CPU%d/Switch/IrqPending");
526	HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatSwitchToR3, "/HWACCM/CPU%d/Switch/ToR3");
527
528	HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatIntInject, "/HWACCM/CPU%d/Irq/Inject");
529	HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatIntReinject, "/HWACCM/CPU%d/Irq/Reinject");
530	HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatPendingHostIrq, "/HWACCM/CPU%d/Irq/PendingOnHost");
531
532	HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatFlushPage, "/HWACCM/CPU%d/Flush/Page");
533	HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatFlushPageManual, "/HWACCM/CPU%d/Flush/Page/Virt");
534	HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatFlushPhysPageManual, "/HWACCM/CPU%d/Flush/Page/Phys");
535	HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatFlushTLB, "/HWACCM/CPU%d/Flush/TLB");
536	HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatFlushTLBManual, "/HWACCM/CPU%d/Flush/TLB/Manual");
537	HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatFlushTLBCRxChange, "/HWACCM/CPU%d/Flush/TLB/CRx");
538	HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatFlushPageInvlpg, "/HWACCM/CPU%d/Flush/Page/Invlpg");
539	HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatFlushTLBWorldSwitch, "/HWACCM/CPU%d/Flush/TLB/Switch");
540	HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatNoFlushTLBWorldSwitch, "/HWACCM/CPU%d/Flush/TLB/Skipped");
541	HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatFlushASID, "/HWACCM/CPU%d/Flush/TLB/ASID");
542	HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatFlushTLBInvlpga, "/HWACCM/CPU%d/Flush/TLB/PhysInvl");
543	HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatTlbShootdown, "/HWACCM/CPU%d/Flush/Shootdown/Page");
544	HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatTlbShootdownFlush, "/HWACCM/CPU%d/Flush/Shootdown/TLB");
545
546	HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatTSCOffset, "/HWACCM/CPU%d/TSC/Offset");
547	HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatTSCIntercept, "/HWACCM/CPU%d/TSC/Intercept");
548	HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatTSCInterceptOverFlow, "/HWACCM/CPU%d/TSC/InterceptOverflow");
549
550	HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatDRxArmed, "/HWACCM/CPU%d/Debug/Armed");
551	HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatDRxContextSwitch, "/HWACCM/CPU%d/Debug/ContextSwitch");
552	HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatDRxIOCheck, "/HWACCM/CPU%d/Debug/IOCheck");
553
554	HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatLoadMinimal, "/HWACCM/CPU%d/Load/Minimal");
555	HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatLoadFull, "/HWACCM/CPU%d/Load/Full");
556
557	#if HC_ARCH_BITS == 32 && defined(VBOX_ENABLE_64_BITS_GUESTS) && !defined(VBOX_WITH_HYBRID_32BIT_KERNEL)
558	HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatFpu64SwitchBack, "/HWACCM/CPU%d/Switch64/Fpu");
559	HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatDebug64SwitchBack, "/HWACCM/CPU%d/Switch64/Debug");
560	#endif
561
562	for (unsigned j=0;j<RT_ELEMENTS(pVCpu->hwaccm.s.StatExitCRxWrite);j++)
563	{
564	rc = STAMR3RegisterF(pVM, &pVCpu->hwaccm.s.StatExitCRxWrite[j], STAMTYPE_COUNTER, STAMVISIBILITY_USED, STAMUNIT_OCCURENCES, "Profiling of CRx writes",
565	"/HWACCM/CPU%d/Exit/Instr/CR/Write/%x", i, j);
566	AssertRC(rc);
567	rc = STAMR3RegisterF(pVM, &pVCpu->hwaccm.s.StatExitCRxRead[j], STAMTYPE_COUNTER, STAMVISIBILITY_USED, STAMUNIT_OCCURENCES, "Profiling of CRx reads",
568	"/HWACCM/CPU%d/Exit/Instr/CR/Read/%x", i, j);
569	AssertRC(rc);
570	}
571
572	#undef HWACCM_REG_COUNTER
573
574	pVCpu->hwaccm.s.paStatExitReason = NULL;
575
576	rc = MMHyperAlloc(pVM, MAX_EXITREASON_STATsizeof(pVCpu->hwaccm.s.paStatExitReason), 0, MM_TAG_HWACCM, (void **)&pVCpu->hwaccm.s.paStatExitReason);
577	AssertRC(rc);
578	if (RT_SUCCESS(rc))
579	{
580	const char * const *papszDesc = ASMIsIntelCpu() ? &g_apszVTxExitReasons[0] : &g_apszAmdVExitReasons[0];
581	for (int j=0;j<MAX_EXITREASON_STAT;j++)
582	{
583	if (papszDesc[j])
584	{
585	rc = STAMR3RegisterF(pVM, &pVCpu->hwaccm.s.paStatExitReason[j], STAMTYPE_COUNTER, STAMVISIBILITY_USED, STAMUNIT_OCCURENCES,
586	papszDesc[j], "/HWACCM/CPU%d/Exit/Reason/%02x", i, j);
587	AssertRC(rc);
588	}
589	}
590	rc = STAMR3RegisterF(pVM, &pVCpu->hwaccm.s.StatExitReasonNPF, STAMTYPE_COUNTER, STAMVISIBILITY_USED, STAMUNIT_OCCURENCES, "Nested page fault", "/HWACCM/CPU%d/Exit/Reason/#NPF", i);
591	AssertRC(rc);
592	}
593	pVCpu->hwaccm.s.paStatExitReasonR0 = MMHyperR3ToR0(pVM, pVCpu->hwaccm.s.paStatExitReason);
594	# ifdef VBOX_WITH_2X_4GB_ADDR_SPACE
595	Assert(pVCpu->hwaccm.s.paStatExitReasonR0 != NIL_RTR0PTR \|\| !VMMIsHwVirtExtForced(pVM));
596	# else
597	Assert(pVCpu->hwaccm.s.paStatExitReasonR0 != NIL_RTR0PTR);
598	# endif
599
600	rc = MMHyperAlloc(pVM, sizeof(STAMCOUNTER) * 256, 8, MM_TAG_HWACCM, (void **)&pVCpu->hwaccm.s.paStatInjectedIrqs);
601	AssertRCReturn(rc, rc);
602	pVCpu->hwaccm.s.paStatInjectedIrqsR0 = MMHyperR3ToR0(pVM, pVCpu->hwaccm.s.paStatInjectedIrqs);
603	# ifdef VBOX_WITH_2X_4GB_ADDR_SPACE
604	Assert(pVCpu->hwaccm.s.paStatInjectedIrqsR0 != NIL_RTR0PTR \|\| !VMMIsHwVirtExtForced(pVM));
605	# else
606	Assert(pVCpu->hwaccm.s.paStatInjectedIrqsR0 != NIL_RTR0PTR);
607	# endif
608	for (unsigned j = 0; j < 255; j++)
609	STAMR3RegisterF(pVM, &pVCpu->hwaccm.s.paStatInjectedIrqs[j], STAMTYPE_COUNTER, STAMVISIBILITY_USED, STAMUNIT_OCCURENCES, "Forwarded interrupts.",
610	(j < 0x20) ? "/HWACCM/CPU%d/Interrupt/Trap/%02X" : "/HWACCM/CPU%d/Interrupt/IRQ/%02X", i, j);
611
612	}
613	#endif /* VBOX_WITH_STATISTICS */
614
615	#ifdef VBOX_WITH_CRASHDUMP_MAGIC
616	/* Magic marker for searching in crash dumps. */
617	for (VMCPUID i = 0; i < pVM->cCpus; i++)
618	{
619	PVMCPU pVCpu = &pVM->aCpus[i];
620
621	PVMCSCACHE pCache = &pVCpu->hwaccm.s.vmx.VMCSCache;
622	strcpy((char *)pCache->aMagic, "VMCSCACHE Magic");
623	pCache->uMagic = UINT64_C(0xDEADBEEFDEADBEEF);
624	}
625	#endif
626	return VINF_SUCCESS;
627	}
628
629	/**
630	* Turns off normal raw mode features
631	*
632	* @param pVM The VM to operate on.
633	*/
634	static void hwaccmR3DisableRawMode(PVM pVM)
635	{
636	/* Disable PATM & CSAM. */
637	PATMR3AllowPatching(pVM, false);
638	CSAMDisableScanning(pVM);
639
640	/* Turn off IDT/LDT/GDT and TSS monitoring and sycing. */
641	SELMR3DisableMonitoring(pVM);
642	TRPMR3DisableMonitoring(pVM);
643
644	/* Disable the switcher code (safety precaution). */
645	VMMR3DisableSwitcher(pVM);
646
647	/* Disable mapping of the hypervisor into the shadow page table. */
648	PGMR3MappingsDisable(pVM);
649
650	/* Disable the switcher */
651	VMMR3DisableSwitcher(pVM);
652
653	/* Reinit the paging mode to force the new shadow mode. */
654	for (VMCPUID i = 0; i < pVM->cCpus; i++)
655	{
656	PVMCPU pVCpu = &pVM->aCpus[i];
657
658	PGMR3ChangeMode(pVM, pVCpu, PGMMODE_REAL);
659	}
660	}
661
662	/**
663	* Initialize VT-x or AMD-V.
664	*
665	* @returns VBox status code.
666	* @param pVM The VM handle.
667	*/
668	VMMR3DECL(int) HWACCMR3InitFinalizeR0(PVM pVM)
669	{
670	int rc;
671
672	/* Hack to allow users to work around broken BIOSes that incorrectly set EFER.SVME, which makes us believe somebody else
673	* is already using AMD-V.
674	*/
675	if ( !pVM->hwaccm.s.vmx.fSupported
676	&& !pVM->hwaccm.s.svm.fSupported
677	&& pVM->hwaccm.s.lLastError == VERR_SVM_IN_USE /* implies functional AMD-V */
678	&& RTEnvExist("VBOX_HWVIRTEX_IGNORE_SVM_IN_USE"))
679	{
680	LogRel(("HWACCM: VBOX_HWVIRTEX_IGNORE_SVM_IN_USE active!\n"));
681	pVM->hwaccm.s.svm.fSupported = true;
682	pVM->hwaccm.s.svm.fIgnoreInUseError = true;
683	}
684	else
685	if ( !pVM->hwaccm.s.vmx.fSupported
686	&& !pVM->hwaccm.s.svm.fSupported)
687	{
688	LogRel(("HWACCM: No VT-x or AMD-V CPU extension found. Reason %Rrc\n", pVM->hwaccm.s.lLastError));
689	LogRel(("HWACCM: VMX MSR_IA32_FEATURE_CONTROL=%RX64\n", pVM->hwaccm.s.vmx.msr.feature_ctrl));
690
691	if (VMMIsHwVirtExtForced(pVM))
692	{
693	switch (pVM->hwaccm.s.lLastError)
694	{
695	case VERR_VMX_NO_VMX:
696	return VM_SET_ERROR(pVM, VERR_VMX_NO_VMX, "VT-x is not available.");
697	case VERR_VMX_IN_VMX_ROOT_MODE:
698	return VM_SET_ERROR(pVM, VERR_VMX_IN_VMX_ROOT_MODE, "VT-x is being used by another hypervisor.");
699	case VERR_SVM_IN_USE:
700	return VM_SET_ERROR(pVM, VERR_SVM_IN_USE, "AMD-V is being used by another hypervisor.");
701	case VERR_SVM_NO_SVM:
702	return VM_SET_ERROR(pVM, VERR_SVM_NO_SVM, "AMD-V is not available.");
703	case VERR_SVM_DISABLED:
704	return VM_SET_ERROR(pVM, VERR_SVM_DISABLED, "AMD-V is disabled in the BIOS.");
705	default:
706	return pVM->hwaccm.s.lLastError;
707	}
708	}
709	return VINF_SUCCESS;
710	}
711
712	if (pVM->hwaccm.s.vmx.fSupported)
713	{
714	rc = SUPR3QueryVTxSupported();
715	if (RT_FAILURE(rc))
716	{
717	#ifdef RT_OS_LINUX
718	LogRel(("HWACCM: The host kernel does not support VT-x -- Linux 2.6.13 or newer required!\n"));
719	#else
720	LogRel(("HWACCM: The host kernel does not support VT-x!\n"));
721	#endif
722	if ( pVM->cCpus > 1
723	\|\| VMMIsHwVirtExtForced(pVM))
724	return rc;
725
726	/* silently fall back to raw mode */
727	return VINF_SUCCESS;
728	}
729	}
730
731	if (!pVM->hwaccm.s.fAllowed)
732	return VINF_SUCCESS; /* nothing to do */
733
734	/* Enable VT-x or AMD-V on all host CPUs. */
735	rc = SUPR3CallVMMR0Ex(pVM->pVMR0, 0 /idCpu/, VMMR0_DO_HWACC_ENABLE, 0, NULL);
736	if (RT_FAILURE(rc))
737	{
738	LogRel(("HWACCMR3InitFinalize: SUPR3CallVMMR0Ex VMMR0_DO_HWACC_ENABLE failed with %Rrc\n", rc));
739	return rc;
740	}
741	Assert(!pVM->fHWACCMEnabled \|\| VMMIsHwVirtExtForced(pVM));
742
743	pVM->hwaccm.s.fHasIoApic = PDMHasIoApic(pVM);
744	/* No TPR patching is required when the IO-APIC is not enabled for this VM. (Main should have taken care of this already) */
745	if (!pVM->hwaccm.s.fHasIoApic)
746	{
747	Assert(!pVM->hwaccm.s.fTRPPatchingAllowed); /* paranoia */
748	pVM->hwaccm.s.fTRPPatchingAllowed = false;
749	}
750
751	bool fOldBuffered = RTLogRelSetBuffering(true /fBuffered/);
752	if (pVM->hwaccm.s.vmx.fSupported)
753	{
754	Log(("pVM->hwaccm.s.vmx.fSupported = %d\n", pVM->hwaccm.s.vmx.fSupported));
755
756	if ( pVM->hwaccm.s.fInitialized == false
757	&& pVM->hwaccm.s.vmx.msr.feature_ctrl != 0)
758	{
759	uint64_t val;
760	RTGCPHYS GCPhys = 0;
761
762	LogRel(("HWACCM: Host CR4=%08X\n", pVM->hwaccm.s.vmx.hostCR4));
763	LogRel(("HWACCM: MSR_IA32_FEATURE_CONTROL = %RX64\n", pVM->hwaccm.s.vmx.msr.feature_ctrl));
764	LogRel(("HWACCM: MSR_IA32_VMX_BASIC_INFO = %RX64\n", pVM->hwaccm.s.vmx.msr.vmx_basic_info));
765	LogRel(("HWACCM: VMCS id = %x\n", MSR_IA32_VMX_BASIC_INFO_VMCS_ID(pVM->hwaccm.s.vmx.msr.vmx_basic_info)));
766	LogRel(("HWACCM: VMCS size = %x\n", MSR_IA32_VMX_BASIC_INFO_VMCS_SIZE(pVM->hwaccm.s.vmx.msr.vmx_basic_info)));
767	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"));
768	LogRel(("HWACCM: VMCS memory type = %x\n", MSR_IA32_VMX_BASIC_INFO_VMCS_MEM_TYPE(pVM->hwaccm.s.vmx.msr.vmx_basic_info)));
769	LogRel(("HWACCM: Dual monitor treatment = %d\n", MSR_IA32_VMX_BASIC_INFO_VMCS_DUAL_MON(pVM->hwaccm.s.vmx.msr.vmx_basic_info)));
770
771	LogRel(("HWACCM: MSR_IA32_VMX_PINBASED_CTLS = %RX64\n", pVM->hwaccm.s.vmx.msr.vmx_pin_ctls.u));
772	val = pVM->hwaccm.s.vmx.msr.vmx_pin_ctls.n.allowed1;
773	if (val & VMX_VMCS_CTRL_PIN_EXEC_CONTROLS_EXT_INT_EXIT)
774	LogRel(("HWACCM: VMX_VMCS_CTRL_PIN_EXEC_CONTROLS_EXT_INT_EXIT\n"));
775	if (val & VMX_VMCS_CTRL_PIN_EXEC_CONTROLS_NMI_EXIT)
776	LogRel(("HWACCM: VMX_VMCS_CTRL_PIN_EXEC_CONTROLS_NMI_EXIT\n"));
777	if (val & VMX_VMCS_CTRL_PIN_EXEC_CONTROLS_VIRTUAL_NMI)
778	LogRel(("HWACCM: VMX_VMCS_CTRL_PIN_EXEC_CONTROLS_VIRTUAL_NMI\n"));
779	if (val & VMX_VMCS_CTRL_PIN_EXEC_CONTROLS_PREEMPT_TIMER)
780	LogRel(("HWACCM: VMX_VMCS_CTRL_PIN_EXEC_CONTROLS_PREEMPT_TIMER\n"));
781	val = pVM->hwaccm.s.vmx.msr.vmx_pin_ctls.n.disallowed0;
782	if (val & VMX_VMCS_CTRL_PIN_EXEC_CONTROLS_EXT_INT_EXIT)
783	LogRel(("HWACCM: VMX_VMCS_CTRL_PIN_EXEC_CONTROLS_EXT_INT_EXIT must be set\n"));
784	if (val & VMX_VMCS_CTRL_PIN_EXEC_CONTROLS_NMI_EXIT)
785	LogRel(("HWACCM: VMX_VMCS_CTRL_PIN_EXEC_CONTROLS_NMI_EXIT must be set\n"));
786	if (val & VMX_VMCS_CTRL_PIN_EXEC_CONTROLS_VIRTUAL_NMI)
787	LogRel(("HWACCM: VMX_VMCS_CTRL_PIN_EXEC_CONTROLS_VIRTUAL_NMI must be set\n"));
788	if (val & VMX_VMCS_CTRL_PIN_EXEC_CONTROLS_PREEMPT_TIMER)
789	LogRel(("HWACCM: VMX_VMCS_CTRL_PIN_EXEC_CONTROLS_PREEMPT_TIMER must be set\n"));
790
791	LogRel(("HWACCM: MSR_IA32_VMX_PROCBASED_CTLS = %RX64\n", pVM->hwaccm.s.vmx.msr.vmx_proc_ctls.u));
792	val = pVM->hwaccm.s.vmx.msr.vmx_proc_ctls.n.allowed1;
793	if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_IRQ_WINDOW_EXIT)
794	LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_IRQ_WINDOW_EXIT\n"));
795	if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_TSC_OFFSET)
796	LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_TSC_OFFSET\n"));
797	if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_HLT_EXIT)
798	LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_HLT_EXIT\n"));
799	if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_INVLPG_EXIT)
800	LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_INVLPG_EXIT\n"));
801	if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_MWAIT_EXIT)
802	LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_MWAIT_EXIT\n"));
803	if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_RDPMC_EXIT)
804	LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_RDPMC_EXIT\n"));
805	if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_RDTSC_EXIT)
806	LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_RDTSC_EXIT\n"));
807	if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_CR3_LOAD_EXIT)
808	LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_CR3_LOAD_EXIT\n"));
809	if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_CR3_STORE_EXIT)
810	LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_CR3_STORE_EXIT\n"));
811	if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_CR8_LOAD_EXIT)
812	LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_CR8_LOAD_EXIT\n"));
813	if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_CR8_STORE_EXIT)
814	LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_CR8_STORE_EXIT\n"));
815	if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_USE_TPR_SHADOW)
816	LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_USE_TPR_SHADOW\n"));
817	if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_NMI_WINDOW_EXIT)
818	LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_NMI_WINDOW_EXIT\n"));
819	if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_MOV_DR_EXIT)
820	LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_MOV_DR_EXIT\n"));
821	if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_UNCOND_IO_EXIT)
822	LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_UNCOND_IO_EXIT\n"));
823	if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_USE_IO_BITMAPS)
824	LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_USE_IO_BITMAPS\n"));
825	if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_MONITOR_TRAP_FLAG)
826	LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_MONITOR_TRAP_FLAG\n"));
827	if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_USE_MSR_BITMAPS)
828	LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_USE_MSR_BITMAPS\n"));
829	if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_MONITOR_EXIT)
830	LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_MONITOR_EXIT\n"));
831	if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_PAUSE_EXIT)
832	LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_PAUSE_EXIT\n"));
833	if (val & VMX_VMCS_CTRL_PROC_EXEC_USE_SECONDARY_EXEC_CTRL)
834	LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_USE_SECONDARY_EXEC_CTRL\n"));
835
836	val = pVM->hwaccm.s.vmx.msr.vmx_proc_ctls.n.disallowed0;
837	if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_IRQ_WINDOW_EXIT)
838	LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_IRQ_WINDOW_EXIT must be set\n"));
839	if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_TSC_OFFSET)
840	LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_TSC_OFFSET must be set\n"));
841	if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_HLT_EXIT)
842	LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_HLT_EXIT must be set\n"));
843	if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_INVLPG_EXIT)
844	LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_INVLPG_EXIT must be set\n"));
845	if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_MWAIT_EXIT)
846	LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_MWAIT_EXIT must be set\n"));
847	if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_RDPMC_EXIT)
848	LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_RDPMC_EXIT must be set\n"));
849	if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_RDTSC_EXIT)
850	LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_RDTSC_EXIT must be set\n"));
851	if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_CR3_LOAD_EXIT)
852	LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_CR3_LOAD_EXIT must be set\n"));
853	if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_CR3_STORE_EXIT)
854	LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_CR3_STORE_EXIT must be set\n"));
855	if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_CR8_LOAD_EXIT)
856	LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_CR8_LOAD_EXIT must be set\n"));
857	if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_CR8_STORE_EXIT)
858	LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_CR8_STORE_EXIT must be set\n"));
859	if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_USE_TPR_SHADOW)
860	LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_USE_TPR_SHADOW must be set\n"));
861	if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_NMI_WINDOW_EXIT)
862	LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_NMI_WINDOW_EXIT must be set\n"));
863	if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_MOV_DR_EXIT)
864	LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_MOV_DR_EXIT must be set\n"));
865	if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_UNCOND_IO_EXIT)
866	LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_UNCOND_IO_EXIT must be set\n"));
867	if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_USE_IO_BITMAPS)
868	LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_USE_IO_BITMAPS must be set\n"));
869	if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_MONITOR_TRAP_FLAG)
870	LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_MONITOR_TRAP_FLAG must be set\n"));
871	if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_USE_MSR_BITMAPS)
872	LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_USE_MSR_BITMAPS must be set\n"));
873	if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_MONITOR_EXIT)
874	LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_MONITOR_EXIT must be set\n"));
875	if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_PAUSE_EXIT)
876	LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_PAUSE_EXIT must be set\n"));
877	if (val & VMX_VMCS_CTRL_PROC_EXEC_USE_SECONDARY_EXEC_CTRL)
878	LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_USE_SECONDARY_EXEC_CTRL must be set\n"));
879
880	if (pVM->hwaccm.s.vmx.msr.vmx_proc_ctls.n.allowed1 & VMX_VMCS_CTRL_PROC_EXEC_USE_SECONDARY_EXEC_CTRL)
881	{
882	LogRel(("HWACCM: MSR_IA32_VMX_PROCBASED_CTLS2 = %RX64\n", pVM->hwaccm.s.vmx.msr.vmx_proc_ctls2.u));
883	val = pVM->hwaccm.s.vmx.msr.vmx_proc_ctls2.n.allowed1;
884	if (val & VMX_VMCS_CTRL_PROC_EXEC2_VIRT_APIC)
885	LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC2_VIRT_APIC\n"));
886	if (val & VMX_VMCS_CTRL_PROC_EXEC2_EPT)
887	LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC2_EPT\n"));
888	if (val & VMX_VMCS_CTRL_PROC_EXEC2_DESCRIPTOR_INSTR_EXIT)
889	LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC2_DESCRIPTOR_INSTR_EXIT\n"));
890	if (val & VMX_VMCS_CTRL_PROC_EXEC2_RDTSCP_EXIT)
891	LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC2_RDTSCP_EXIT\n"));
892	if (val & VMX_VMCS_CTRL_PROC_EXEC2_X2APIC)
893	LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC2_X2APIC\n"));
894	if (val & VMX_VMCS_CTRL_PROC_EXEC2_VPID)
895	LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC2_VPID\n"));
896	if (val & VMX_VMCS_CTRL_PROC_EXEC2_WBINVD_EXIT)
897	LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC2_WBINVD_EXIT\n"));
898	if (val & VMX_VMCS_CTRL_PROC_EXEC2_REAL_MODE)
899	LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC2_REAL_MODE\n"));
900	if (val & VMX_VMCS_CTRL_PROC_EXEC2_PAUSE_LOOP_EXIT)
901	LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC2_PAUSE_LOOP_EXIT\n"));
902
903	val = pVM->hwaccm.s.vmx.msr.vmx_proc_ctls2.n.disallowed0;
904	if (val & VMX_VMCS_CTRL_PROC_EXEC2_VIRT_APIC)
905	LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC2_VIRT_APIC must be set\n"));
906	if (val & VMX_VMCS_CTRL_PROC_EXEC2_DESCRIPTOR_INSTR_EXIT)
907	LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC2_DESCRIPTOR_INSTR_EXIT must be set\n"));
908	if (val & VMX_VMCS_CTRL_PROC_EXEC2_RDTSCP_EXIT)
909	LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC2_RDTSCP_EXIT must be set\n"));
910	if (val & VMX_VMCS_CTRL_PROC_EXEC2_X2APIC)
911	LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC2_X2APIC must be set\n"));
912	if (val & VMX_VMCS_CTRL_PROC_EXEC2_EPT)
913	LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC2_EPT must be set\n"));
914	if (val & VMX_VMCS_CTRL_PROC_EXEC2_VPID)
915	LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC2_VPID must be set\n"));
916	if (val & VMX_VMCS_CTRL_PROC_EXEC2_WBINVD_EXIT)
917	LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC2_WBINVD_EXIT must be set\n"));
918	if (val & VMX_VMCS_CTRL_PROC_EXEC2_REAL_MODE)
919	LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC2_REAL_MODE must be set\n"));
920	if (val & VMX_VMCS_CTRL_PROC_EXEC2_PAUSE_LOOP_EXIT)
921	LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC2_PAUSE_LOOP_EXIT must be set\n"));
922	}
923
924	LogRel(("HWACCM: MSR_IA32_VMX_ENTRY_CTLS = %RX64\n", pVM->hwaccm.s.vmx.msr.vmx_entry.u));
925	val = pVM->hwaccm.s.vmx.msr.vmx_entry.n.allowed1;
926	if (val & VMX_VMCS_CTRL_ENTRY_CONTROLS_LOAD_DEBUG)
927	LogRel(("HWACCM: VMX_VMCS_CTRL_ENTRY_CONTROLS_LOAD_DEBUG\n"));
928	if (val & VMX_VMCS_CTRL_ENTRY_CONTROLS_IA64_MODE)
929	LogRel(("HWACCM: VMX_VMCS_CTRL_ENTRY_CONTROLS_IA64_MODE\n"));
930	if (val & VMX_VMCS_CTRL_ENTRY_CONTROLS_ENTRY_SMM)
931	LogRel(("HWACCM: VMX_VMCS_CTRL_ENTRY_CONTROLS_ENTRY_SMM\n"));
932	if (val & VMX_VMCS_CTRL_ENTRY_CONTROLS_DEACTIVATE_DUALMON)
933	LogRel(("HWACCM: VMX_VMCS_CTRL_ENTRY_CONTROLS_DEACTIVATE_DUALMON\n"));
934	if (val & VMX_VMCS_CTRL_ENTRY_CONTROLS_LOAD_GUEST_PERF_MSR)
935	LogRel(("HWACCM: VMX_VMCS_CTRL_ENTRY_CONTROLS_LOAD_GUEST_PERF_MSR\n"));
936	if (val & VMX_VMCS_CTRL_ENTRY_CONTROLS_LOAD_GUEST_PAT_MSR)
937	LogRel(("HWACCM: VMX_VMCS_CTRL_ENTRY_CONTROLS_LOAD_GUEST_PAT_MSR\n"));
938	if (val & VMX_VMCS_CTRL_ENTRY_CONTROLS_LOAD_GUEST_EFER_MSR)
939	LogRel(("HWACCM: VMX_VMCS_CTRL_ENTRY_CONTROLS_LOAD_GUEST_EFER_MSR\n"));
940	val = pVM->hwaccm.s.vmx.msr.vmx_entry.n.disallowed0;
941	if (val & VMX_VMCS_CTRL_ENTRY_CONTROLS_LOAD_DEBUG)
942	LogRel(("HWACCM: VMX_VMCS_CTRL_ENTRY_CONTROLS_LOAD_DEBUG must be set\n"));
943	if (val & VMX_VMCS_CTRL_ENTRY_CONTROLS_IA64_MODE)
944	LogRel(("HWACCM: VMX_VMCS_CTRL_ENTRY_CONTROLS_IA64_MODE must be set\n"));
945	if (val & VMX_VMCS_CTRL_ENTRY_CONTROLS_ENTRY_SMM)
946	LogRel(("HWACCM: VMX_VMCS_CTRL_ENTRY_CONTROLS_ENTRY_SMM must be set\n"));
947	if (val & VMX_VMCS_CTRL_ENTRY_CONTROLS_DEACTIVATE_DUALMON)
948	LogRel(("HWACCM: VMX_VMCS_CTRL_ENTRY_CONTROLS_DEACTIVATE_DUALMON must be set\n"));
949	if (val & VMX_VMCS_CTRL_ENTRY_CONTROLS_LOAD_GUEST_PERF_MSR)
950	LogRel(("HWACCM: VMX_VMCS_CTRL_ENTRY_CONTROLS_LOAD_GUEST_PERF_MSR must be set\n"));
951	if (val & VMX_VMCS_CTRL_ENTRY_CONTROLS_LOAD_GUEST_PAT_MSR)
952	LogRel(("HWACCM: VMX_VMCS_CTRL_ENTRY_CONTROLS_LOAD_GUEST_PAT_MSR must be set\n"));
953	if (val & VMX_VMCS_CTRL_ENTRY_CONTROLS_LOAD_GUEST_EFER_MSR)
954	LogRel(("HWACCM: VMX_VMCS_CTRL_ENTRY_CONTROLS_LOAD_GUEST_EFER_MSR must be set\n"));
955
956	LogRel(("HWACCM: MSR_IA32_VMX_EXIT_CTLS = %RX64\n", pVM->hwaccm.s.vmx.msr.vmx_exit.u));
957	val = pVM->hwaccm.s.vmx.msr.vmx_exit.n.allowed1;
958	if (val & VMX_VMCS_CTRL_EXIT_CONTROLS_SAVE_DEBUG)
959	LogRel(("HWACCM: VMX_VMCS_CTRL_EXIT_CONTROLS_SAVE_DEBUG\n"));
960	if (val & VMX_VMCS_CTRL_EXIT_CONTROLS_HOST_AMD64)
961	LogRel(("HWACCM: VMX_VMCS_CTRL_EXIT_CONTROLS_HOST_AMD64\n"));
962	if (val & VMX_VMCS_CTRL_EXIT_CONTROLS_ACK_EXTERNAL_IRQ)
963	LogRel(("HWACCM: VMX_VMCS_CTRL_EXIT_CONTROLS_ACK_EXTERNAL_IRQ\n"));
964	if (val & VMX_VMCS_CTRL_EXIT_CONTROLS_SAVE_GUEST_PAT_MSR)
965	LogRel(("HWACCM: VMX_VMCS_CTRL_EXIT_CONTROLS_SAVE_GUEST_PAT_MSR\n"));
966	if (val & VMX_VMCS_CTRL_EXIT_CONTROLS_LOAD_HOST_PAT_MSR)
967	LogRel(("HWACCM: VMX_VMCS_CTRL_EXIT_CONTROLS_LOAD_HOST_PAT_MSR\n"));
968	if (val & VMX_VMCS_CTRL_EXIT_CONTROLS_SAVE_GUEST_EFER_MSR)
969	LogRel(("HWACCM: VMX_VMCS_CTRL_EXIT_CONTROLS_SAVE_GUEST_EFER_MSR\n"));
970	if (val & VMX_VMCS_CTRL_EXIT_CONTROLS_LOAD_HOST_EFER_MSR)
971	LogRel(("HWACCM: VMX_VMCS_CTRL_EXIT_CONTROLS_LOAD_HOST_EFER_MSR\n"));
972	if (val & VMX_VMCS_CTRL_EXIT_CONTROLS_SAVE_VMX_PREEMPT_TIMER)
973	LogRel(("HWACCM: VMX_VMCS_CTRL_EXIT_CONTROLS_SAVE_VMX_PREEMPT_TIMER\n"));
974	val = pVM->hwaccm.s.vmx.msr.vmx_exit.n.disallowed0;
975	if (val & VMX_VMCS_CTRL_EXIT_CONTROLS_SAVE_DEBUG)
976	LogRel(("HWACCM: VMX_VMCS_CTRL_EXIT_CONTROLS_SAVE_DEBUG must be set\n"));
977	if (val & VMX_VMCS_CTRL_EXIT_CONTROLS_HOST_AMD64)
978	LogRel(("HWACCM: VMX_VMCS_CTRL_EXIT_CONTROLS_HOST_AMD64 must be set\n"));
979	if (val & VMX_VMCS_CTRL_EXIT_CONTROLS_ACK_EXTERNAL_IRQ)
980	LogRel(("HWACCM: VMX_VMCS_CTRL_EXIT_CONTROLS_ACK_EXTERNAL_IRQ must be set\n"));
981	if (val & VMX_VMCS_CTRL_EXIT_CONTROLS_SAVE_GUEST_PAT_MSR)
982	LogRel(("HWACCM: VMX_VMCS_CTRL_EXIT_CONTROLS_SAVE_GUEST_PAT_MSR must be set\n"));
983	if (val & VMX_VMCS_CTRL_EXIT_CONTROLS_LOAD_HOST_PAT_MSR)
984	LogRel(("HWACCM: VMX_VMCS_CTRL_EXIT_CONTROLS_LOAD_HOST_PAT_MSR must be set\n"));
985	if (val & VMX_VMCS_CTRL_EXIT_CONTROLS_SAVE_GUEST_EFER_MSR)
986	LogRel(("HWACCM: VMX_VMCS_CTRL_EXIT_CONTROLS_SAVE_GUEST_EFER_MSR must be set\n"));
987	if (val & VMX_VMCS_CTRL_EXIT_CONTROLS_LOAD_HOST_EFER_MSR)
988	LogRel(("HWACCM: VMX_VMCS_CTRL_EXIT_CONTROLS_LOAD_HOST_EFER_MSR must be set\n"));
989	if (val & VMX_VMCS_CTRL_EXIT_CONTROLS_SAVE_VMX_PREEMPT_TIMER)
990	LogRel(("HWACCM: VMX_VMCS_CTRL_EXIT_CONTROLS_SAVE_VMX_PREEMPT_TIMER must be set\n"));
991
992	if (pVM->hwaccm.s.vmx.msr.vmx_eptcaps)
993	{
994	LogRel(("HWACCM: MSR_IA32_VMX_EPT_VPID_CAPS = %RX64\n", pVM->hwaccm.s.vmx.msr.vmx_eptcaps));
995
996	if (pVM->hwaccm.s.vmx.msr.vmx_eptcaps & MSR_IA32_VMX_EPT_CAPS_RWX_X_ONLY)
997	LogRel(("HWACCM: MSR_IA32_VMX_EPT_CAPS_RWX_X_ONLY\n"));
998	if (pVM->hwaccm.s.vmx.msr.vmx_eptcaps & MSR_IA32_VMX_EPT_CAPS_RWX_W_ONLY)
999	LogRel(("HWACCM: MSR_IA32_VMX_EPT_CAPS_RWX_W_ONLY\n"));
1000	if (pVM->hwaccm.s.vmx.msr.vmx_eptcaps & MSR_IA32_VMX_EPT_CAPS_RWX_WX_ONLY)
1001	LogRel(("HWACCM: MSR_IA32_VMX_EPT_CAPS_RWX_WX_ONLY\n"));
1002	if (pVM->hwaccm.s.vmx.msr.vmx_eptcaps & MSR_IA32_VMX_EPT_CAPS_GAW_21_BITS)
1003	LogRel(("HWACCM: MSR_IA32_VMX_EPT_CAPS_GAW_21_BITS\n"));
1004	if (pVM->hwaccm.s.vmx.msr.vmx_eptcaps & MSR_IA32_VMX_EPT_CAPS_GAW_30_BITS)
1005	LogRel(("HWACCM: MSR_IA32_VMX_EPT_CAPS_GAW_30_BITS\n"));
1006	if (pVM->hwaccm.s.vmx.msr.vmx_eptcaps & MSR_IA32_VMX_EPT_CAPS_GAW_39_BITS)
1007	LogRel(("HWACCM: MSR_IA32_VMX_EPT_CAPS_GAW_39_BITS\n"));
1008	if (pVM->hwaccm.s.vmx.msr.vmx_eptcaps & MSR_IA32_VMX_EPT_CAPS_GAW_48_BITS)
1009	LogRel(("HWACCM: MSR_IA32_VMX_EPT_CAPS_GAW_48_BITS\n"));
1010	if (pVM->hwaccm.s.vmx.msr.vmx_eptcaps & MSR_IA32_VMX_EPT_CAPS_GAW_57_BITS)
1011	LogRel(("HWACCM: MSR_IA32_VMX_EPT_CAPS_GAW_57_BITS\n"));
1012	if (pVM->hwaccm.s.vmx.msr.vmx_eptcaps & MSR_IA32_VMX_EPT_CAPS_EMT_UC)
1013	LogRel(("HWACCM: MSR_IA32_VMX_EPT_CAPS_EMT_UC\n"));
1014	if (pVM->hwaccm.s.vmx.msr.vmx_eptcaps & MSR_IA32_VMX_EPT_CAPS_EMT_WC)
1015	LogRel(("HWACCM: MSR_IA32_VMX_EPT_CAPS_EMT_WC\n"));
1016	if (pVM->hwaccm.s.vmx.msr.vmx_eptcaps & MSR_IA32_VMX_EPT_CAPS_EMT_WT)
1017	LogRel(("HWACCM: MSR_IA32_VMX_EPT_CAPS_EMT_WT\n"));
1018	if (pVM->hwaccm.s.vmx.msr.vmx_eptcaps & MSR_IA32_VMX_EPT_CAPS_EMT_WP)
1019	LogRel(("HWACCM: MSR_IA32_VMX_EPT_CAPS_EMT_WP\n"));
1020	if (pVM->hwaccm.s.vmx.msr.vmx_eptcaps & MSR_IA32_VMX_EPT_CAPS_EMT_WB)
1021	LogRel(("HWACCM: MSR_IA32_VMX_EPT_CAPS_EMT_WB\n"));
1022	if (pVM->hwaccm.s.vmx.msr.vmx_eptcaps & MSR_IA32_VMX_EPT_CAPS_SP_21_BITS)
1023	LogRel(("HWACCM: MSR_IA32_VMX_EPT_CAPS_SP_21_BITS\n"));
1024	if (pVM->hwaccm.s.vmx.msr.vmx_eptcaps & MSR_IA32_VMX_EPT_CAPS_SP_30_BITS)
1025	LogRel(("HWACCM: MSR_IA32_VMX_EPT_CAPS_SP_30_BITS\n"));
1026	if (pVM->hwaccm.s.vmx.msr.vmx_eptcaps & MSR_IA32_VMX_EPT_CAPS_SP_39_BITS)
1027	LogRel(("HWACCM: MSR_IA32_VMX_EPT_CAPS_SP_39_BITS\n"));
1028	if (pVM->hwaccm.s.vmx.msr.vmx_eptcaps & MSR_IA32_VMX_EPT_CAPS_SP_48_BITS)
1029	LogRel(("HWACCM: MSR_IA32_VMX_EPT_CAPS_SP_48_BITS\n"));
1030	if (pVM->hwaccm.s.vmx.msr.vmx_eptcaps & MSR_IA32_VMX_EPT_CAPS_INVEPT)
1031	LogRel(("HWACCM: MSR_IA32_VMX_EPT_CAPS_INVEPT\n"));
1032	if (pVM->hwaccm.s.vmx.msr.vmx_eptcaps & MSR_IA32_VMX_EPT_CAPS_INVEPT_CAPS_INDIV)
1033	LogRel(("HWACCM: MSR_IA32_VMX_EPT_CAPS_INVEPT_CAPS_INDIV\n"));
1034	if (pVM->hwaccm.s.vmx.msr.vmx_eptcaps & MSR_IA32_VMX_EPT_CAPS_INVEPT_CAPS_CONTEXT)
1035	LogRel(("HWACCM: MSR_IA32_VMX_EPT_CAPS_INVEPT_CAPS_CONTEXT\n"));
1036	if (pVM->hwaccm.s.vmx.msr.vmx_eptcaps & MSR_IA32_VMX_EPT_CAPS_INVEPT_CAPS_ALL)
1037	LogRel(("HWACCM: MSR_IA32_VMX_EPT_CAPS_INVEPT_CAPS_ALL\n"));
1038	if (pVM->hwaccm.s.vmx.msr.vmx_eptcaps & MSR_IA32_VMX_EPT_CAPS_INVVPID)
1039	LogRel(("HWACCM: MSR_IA32_VMX_EPT_CAPS_INVVPID\n"));
1040	if (pVM->hwaccm.s.vmx.msr.vmx_eptcaps & MSR_IA32_VMX_EPT_CAPS_INVVPID_CAPS_INDIV)
1041	LogRel(("HWACCM: MSR_IA32_VMX_EPT_CAPS_INVVPID_CAPS_INDIV\n"));
1042	if (pVM->hwaccm.s.vmx.msr.vmx_eptcaps & MSR_IA32_VMX_EPT_CAPS_INVVPID_CAPS_CONTEXT)
1043	LogRel(("HWACCM: MSR_IA32_VMX_EPT_CAPS_INVVPID_CAPS_CONTEXT\n"));
1044	if (pVM->hwaccm.s.vmx.msr.vmx_eptcaps & MSR_IA32_VMX_EPT_CAPS_INVVPID_CAPS_ALL)
1045	LogRel(("HWACCM: MSR_IA32_VMX_EPT_CAPS_INVVPID_CAPS_ALL\n"));
1046	if (pVM->hwaccm.s.vmx.msr.vmx_eptcaps & MSR_IA32_VMX_EPT_CAPS_INVVPID_CAPS_CONTEXT_GLOBAL)
1047	LogRel(("HWACCM: MSR_IA32_VMX_EPT_CAPS_INVVPID_CAPS_CONTEXT_GLOBAL\n"));
1048	}
1049
1050	LogRel(("HWACCM: MSR_IA32_VMX_MISC = %RX64\n", pVM->hwaccm.s.vmx.msr.vmx_misc));
1051	if (MSR_IA32_VMX_MISC_PREEMPT_TSC_BIT(pVM->hwaccm.s.vmx.msr.vmx_misc) == pVM->hwaccm.s.vmx.cPreemptTimerShift)
1052	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)));
1053	else
1054	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));
1055	LogRel(("HWACCM: MSR_IA32_VMX_MISC_ACTIVITY_STATES %x\n", MSR_IA32_VMX_MISC_ACTIVITY_STATES(pVM->hwaccm.s.vmx.msr.vmx_misc)));
1056	LogRel(("HWACCM: MSR_IA32_VMX_MISC_CR3_TARGET %x\n", MSR_IA32_VMX_MISC_CR3_TARGET(pVM->hwaccm.s.vmx.msr.vmx_misc)));
1057	LogRel(("HWACCM: MSR_IA32_VMX_MISC_MAX_MSR %x\n", MSR_IA32_VMX_MISC_MAX_MSR(pVM->hwaccm.s.vmx.msr.vmx_misc)));
1058	LogRel(("HWACCM: MSR_IA32_VMX_MISC_MSEG_ID %x\n", MSR_IA32_VMX_MISC_MSEG_ID(pVM->hwaccm.s.vmx.msr.vmx_misc)));
1059
1060	LogRel(("HWACCM: MSR_IA32_VMX_CR0_FIXED0 = %RX64\n", pVM->hwaccm.s.vmx.msr.vmx_cr0_fixed0));
1061	LogRel(("HWACCM: MSR_IA32_VMX_CR0_FIXED1 = %RX64\n", pVM->hwaccm.s.vmx.msr.vmx_cr0_fixed1));
1062	LogRel(("HWACCM: MSR_IA32_VMX_CR4_FIXED0 = %RX64\n", pVM->hwaccm.s.vmx.msr.vmx_cr4_fixed0));
1063	LogRel(("HWACCM: MSR_IA32_VMX_CR4_FIXED1 = %RX64\n", pVM->hwaccm.s.vmx.msr.vmx_cr4_fixed1));
1064	LogRel(("HWACCM: MSR_IA32_VMX_VMCS_ENUM = %RX64\n", pVM->hwaccm.s.vmx.msr.vmx_vmcs_enum));
1065
1066	LogRel(("HWACCM: TPR shadow physaddr = %RHp\n", pVM->hwaccm.s.vmx.pAPICPhys));
1067
1068	/* Paranoia */
1069	AssertRelease(MSR_IA32_VMX_MISC_MAX_MSR(pVM->hwaccm.s.vmx.msr.vmx_misc) >= 512);
1070
1071	for (VMCPUID i = 0; i < pVM->cCpus; i++)
1072	{
1073	LogRel(("HWACCM: VCPU%d: MSR bitmap physaddr = %RHp\n", i, pVM->aCpus[i].hwaccm.s.vmx.pMSRBitmapPhys));
1074	LogRel(("HWACCM: VCPU%d: VMCS physaddr = %RHp\n", i, pVM->aCpus[i].hwaccm.s.vmx.pVMCSPhys));
1075	}
1076
1077	#ifdef HWACCM_VTX_WITH_EPT
1078	if (pVM->hwaccm.s.vmx.msr.vmx_proc_ctls2.n.allowed1 & VMX_VMCS_CTRL_PROC_EXEC2_EPT)
1079	pVM->hwaccm.s.fNestedPaging = pVM->hwaccm.s.fAllowNestedPaging;
1080	#endif /* HWACCM_VTX_WITH_EPT */
1081	#ifdef HWACCM_VTX_WITH_VPID
1082	if ( (pVM->hwaccm.s.vmx.msr.vmx_proc_ctls2.n.allowed1 & VMX_VMCS_CTRL_PROC_EXEC2_VPID)
1083	&& !pVM->hwaccm.s.fNestedPaging) /* VPID and EPT are mutually exclusive. */
1084	pVM->hwaccm.s.vmx.fVPID = pVM->hwaccm.s.vmx.fAllowVPID;
1085	#endif /* HWACCM_VTX_WITH_VPID */
1086
1087	/* Unrestricted guest execution relies on EPT. */
1088	if ( pVM->hwaccm.s.fNestedPaging
1089	&& (pVM->hwaccm.s.vmx.msr.vmx_proc_ctls2.n.allowed1 & VMX_VMCS_CTRL_PROC_EXEC2_REAL_MODE))
1090	{
1091	pVM->hwaccm.s.vmx.fUnrestrictedGuest = true;
1092	}
1093
1094	/* Only try once. */
1095	pVM->hwaccm.s.fInitialized = true;
1096
1097	if (!pVM->hwaccm.s.vmx.fUnrestrictedGuest)
1098	{
1099	/* Allocate three pages for the TSS we need for real mode emulation. (2 pages for the IO bitmap) */
1100	rc = PDMR3VMMDevHeapAlloc(pVM, HWACCM_VTX_TOTAL_DEVHEAP_MEM, (RTR3PTR *)&pVM->hwaccm.s.vmx.pRealModeTSS);
1101	if (RT_SUCCESS(rc))
1102	{
1103	/* The I/O bitmap starts right after the virtual interrupt redirection bitmap. */
1104	ASMMemZero32(pVM->hwaccm.s.vmx.pRealModeTSS, sizeof(*pVM->hwaccm.s.vmx.pRealModeTSS));
1105	pVM->hwaccm.s.vmx.pRealModeTSS->offIoBitmap = sizeof(*pVM->hwaccm.s.vmx.pRealModeTSS);
1106	/* Bit set to 0 means redirection enabled. */
1107	memset(pVM->hwaccm.s.vmx.pRealModeTSS->IntRedirBitmap, 0x0, sizeof(pVM->hwaccm.s.vmx.pRealModeTSS->IntRedirBitmap));
1108	/* Allow all port IO, so the VT-x IO intercepts do their job. */
1109	memset(pVM->hwaccm.s.vmx.pRealModeTSS + 1, 0, PAGE_SIZE*2);
1110	((unsigned char )pVM->hwaccm.s.vmx.pRealModeTSS + HWACCM_VTX_TSS_SIZE - 2) = 0xff;
1111
1112	/* Construct a 1024 element page directory with 4 MB pages for the identity mapped page table used in
1113	* real and protected mode without paging with EPT.
1114	*/
1115	pVM->hwaccm.s.vmx.pNonPagingModeEPTPageTable = (PX86PD)((char )pVM->hwaccm.s.vmx.pRealModeTSS + PAGE_SIZE 3);
1116	for (unsigned i=0;i<X86_PG_ENTRIES;i++)
1117	{
1118	pVM->hwaccm.s.vmx.pNonPagingModeEPTPageTable->a[i].u = _4M * i;
1119	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;
1120	}
1121
1122	/* We convert it here every time as pci regions could be reconfigured. */
1123	rc = PDMVMMDevHeapR3ToGCPhys(pVM, pVM->hwaccm.s.vmx.pRealModeTSS, &GCPhys);
1124	AssertRC(rc);
1125	LogRel(("HWACCM: Real Mode TSS guest physaddr = %RGp\n", GCPhys));
1126
1127	rc = PDMVMMDevHeapR3ToGCPhys(pVM, pVM->hwaccm.s.vmx.pNonPagingModeEPTPageTable, &GCPhys);
1128	AssertRC(rc);
1129	LogRel(("HWACCM: Non-Paging Mode EPT CR3 = %RGp\n", GCPhys));
1130	}
1131	else
1132	{
1133	LogRel(("HWACCM: No real mode VT-x support (PDMR3VMMDevHeapAlloc returned %Rrc)\n", rc));
1134	pVM->hwaccm.s.vmx.pRealModeTSS = NULL;
1135	pVM->hwaccm.s.vmx.pNonPagingModeEPTPageTable = NULL;
1136	}
1137	}
1138
1139	rc = SUPR3CallVMMR0Ex(pVM->pVMR0, 0 /idCpu/, VMMR0_DO_HWACC_SETUP_VM, 0, NULL);
1140	AssertRC(rc);
1141	if (rc == VINF_SUCCESS)
1142	{
1143	pVM->fHWACCMEnabled = true;
1144	pVM->hwaccm.s.vmx.fEnabled = true;
1145	hwaccmR3DisableRawMode(pVM);
1146
1147	CPUMSetGuestCpuIdFeature(pVM, CPUMCPUIDFEATURE_SEP);
1148	#ifdef VBOX_ENABLE_64_BITS_GUESTS
1149	if (pVM->hwaccm.s.fAllow64BitGuests)
1150	{
1151	CPUMSetGuestCpuIdFeature(pVM, CPUMCPUIDFEATURE_PAE);
1152	CPUMSetGuestCpuIdFeature(pVM, CPUMCPUIDFEATURE_LONG_MODE);
1153	CPUMSetGuestCpuIdFeature(pVM, CPUMCPUIDFEATURE_SYSCALL); /* 64 bits only on Intel CPUs */
1154	CPUMSetGuestCpuIdFeature(pVM, CPUMCPUIDFEATURE_LAHF);
1155	CPUMSetGuestCpuIdFeature(pVM, CPUMCPUIDFEATURE_NXE);
1156	}
1157	else
1158	/* Turn on NXE if PAE has been enabled and the host has turned on NXE (we reuse the host EFER in the switcher) */
1159	/* Todo: this needs to be fixed properly!! */
1160	if ( CPUMGetGuestCpuIdFeature(pVM, CPUMCPUIDFEATURE_PAE)
1161	&& (pVM->hwaccm.s.vmx.hostEFER & MSR_K6_EFER_NXE))
1162	CPUMSetGuestCpuIdFeature(pVM, CPUMCPUIDFEATURE_NXE);
1163
1164	LogRel((pVM->hwaccm.s.fAllow64BitGuests
1165	? "HWACCM: 32-bit and 64-bit guests supported.\n"
1166	: "HWACCM: 32-bit guests supported.\n"));
1167	#else
1168	LogRel(("HWACCM: 32-bit guests supported.\n"));
1169	#endif
1170	LogRel(("HWACCM: VMX enabled!\n"));
1171	if (pVM->hwaccm.s.fNestedPaging)
1172	{
1173	LogRel(("HWACCM: Enabled nested paging\n"));
1174	LogRel(("HWACCM: EPT root page = %RHp\n", PGMGetHyperCR3(VMMGetCpu(pVM))));
1175	if (pVM->hwaccm.s.vmx.fUnrestrictedGuest)
1176	LogRel(("HWACCM: Unrestricted guest execution enabled!\n"));
1177
1178	#if HC_ARCH_BITS == 64
1179	if (pVM->hwaccm.s.fLargePages)
1180	{
1181	/* Use large (2 MB) pages for our EPT PDEs where possible. */
1182	PGMSetLargePageUsage(pVM, true);
1183	LogRel(("HWACCM: Large page support enabled!\n"));
1184	}
1185	#endif
1186	}
1187	else
1188	Assert(!pVM->hwaccm.s.vmx.fUnrestrictedGuest);
1189
1190	if (pVM->hwaccm.s.vmx.fVPID)
1191	LogRel(("HWACCM: Enabled VPID\n"));
1192
1193	if ( pVM->hwaccm.s.fNestedPaging
1194	\|\| pVM->hwaccm.s.vmx.fVPID)
1195	{
1196	LogRel(("HWACCM: enmFlushPage %d\n", pVM->hwaccm.s.vmx.enmFlushPage));
1197	LogRel(("HWACCM: enmFlushContext %d\n", pVM->hwaccm.s.vmx.enmFlushContext));
1198	}
1199
1200	/* TPR patching status logging. */
1201	if (pVM->hwaccm.s.fTRPPatchingAllowed)
1202	{
1203	if ( (pVM->hwaccm.s.vmx.msr.vmx_proc_ctls.n.allowed1 & VMX_VMCS_CTRL_PROC_EXEC_USE_SECONDARY_EXEC_CTRL)
1204	&& (pVM->hwaccm.s.vmx.msr.vmx_proc_ctls2.n.allowed1 & VMX_VMCS_CTRL_PROC_EXEC2_VIRT_APIC))
1205	{
1206	pVM->hwaccm.s.fTRPPatchingAllowed = false; /* not necessary as we have a hardware solution. */
1207	LogRel(("HWACCM: TPR Patching not required (VMX_VMCS_CTRL_PROC_EXEC2_VIRT_APIC).\n"));
1208	}
1209	else
1210	{
1211	uint32_t u32Eax, u32Dummy;
1212
1213	/* TPR patching needs access to the MSR_K8_LSTAR msr. */
1214	ASMCpuId(0x80000000, &u32Eax, &u32Dummy, &u32Dummy, &u32Dummy);
1215	if ( u32Eax < 0x80000001
1216	\|\| !(ASMCpuId_EDX(0x80000001) & X86_CPUID_AMD_FEATURE_EDX_LONG_MODE))
1217	{
1218	pVM->hwaccm.s.fTRPPatchingAllowed = false;
1219	LogRel(("HWACCM: TPR patching disabled (long mode not supported).\n"));
1220	}
1221	}
1222	}
1223	LogRel(("HWACCM: TPR Patching %s.\n", (pVM->hwaccm.s.fTRPPatchingAllowed) ? "enabled" : "disabled"));
1224
1225	/*
1226	* Check for preemption timer config override and log the state of it.
1227	*/
1228	if (pVM->hwaccm.s.vmx.fUsePreemptTimer)
1229	{
1230	PCFGMNODE pCfgHwAccM = CFGMR3GetChild(CFGMR3GetRoot(pVM), "HWACCM");
1231	int rc2 = CFGMR3QueryBoolDef(pCfgHwAccM, "UsePreemptTimer", &pVM->hwaccm.s.vmx.fUsePreemptTimer, true);
1232	AssertLogRelRC(rc2);
1233	}
1234	if (pVM->hwaccm.s.vmx.fUsePreemptTimer)
1235	LogRel(("HWACCM: Using the VMX-preemption timer (cPreemptTimerShift=%u)\n", pVM->hwaccm.s.vmx.cPreemptTimerShift));
1236	}
1237	else
1238	{
1239	LogRel(("HWACCM: VMX setup failed with rc=%Rrc!\n", rc));
1240	LogRel(("HWACCM: Last instruction error %x\n", pVM->aCpus[0].hwaccm.s.vmx.lasterror.ulInstrError));
1241	pVM->fHWACCMEnabled = false;
1242	}
1243	}
1244	}
1245	else
1246	if (pVM->hwaccm.s.svm.fSupported)
1247	{
1248	Log(("pVM->hwaccm.s.svm.fSupported = %d\n", pVM->hwaccm.s.svm.fSupported));
1249
1250	if (pVM->hwaccm.s.fInitialized == false)
1251	{
1252	/* Erratum 170 which requires a forced TLB flush for each world switch:
1253	* See http://www.amd.com/us-en/assets/content_type/white_papers_and_tech_docs/33610.pdf
1254	*
1255	* All BH-G1/2 and DH-G1/2 models include a fix:
1256	* Athlon X2: 0x6b 1/2
1257	* 0x68 1/2
1258	* Athlon 64: 0x7f 1
1259	* 0x6f 2
1260	* Sempron: 0x7f 1/2
1261	* 0x6f 2
1262	* 0x6c 2
1263	* 0x7c 2
1264	* Turion 64: 0x68 2
1265	*
1266	*/
1267	uint32_t u32Dummy;
1268	uint32_t u32Version, u32Family, u32Model, u32Stepping, u32BaseFamily;
1269	ASMCpuId(1, &u32Version, &u32Dummy, &u32Dummy, &u32Dummy);
1270	u32BaseFamily= (u32Version >> 8) & 0xf;
1271	u32Family = u32BaseFamily + (u32BaseFamily == 0xf ? ((u32Version >> 20) & 0x7f) : 0);
1272	u32Model = ((u32Version >> 4) & 0xf);
1273	u32Model = u32Model \| ((u32BaseFamily == 0xf ? (u32Version >> 16) & 0x0f : 0) << 4);
1274	u32Stepping = u32Version & 0xf;
1275	if ( u32Family == 0xf
1276	&& !((u32Model == 0x68 \|\| u32Model == 0x6b \|\| u32Model == 0x7f) && u32Stepping >= 1)
1277	&& !((u32Model == 0x6f \|\| u32Model == 0x6c \|\| u32Model == 0x7c) && u32Stepping >= 2))
1278	{
1279	LogRel(("HWACMM: AMD cpu with erratum 170 family %x model %x stepping %x\n", u32Family, u32Model, u32Stepping));
1280	}
1281
1282	LogRel(("HWACMM: cpuid 0x80000001.u32AMDFeatureECX = %RX32\n", pVM->hwaccm.s.cpuid.u32AMDFeatureECX));
1283	LogRel(("HWACMM: cpuid 0x80000001.u32AMDFeatureEDX = %RX32\n", pVM->hwaccm.s.cpuid.u32AMDFeatureEDX));
1284	LogRel(("HWACCM: AMD HWCR MSR = %RX64\n", pVM->hwaccm.s.svm.msrHWCR));
1285	LogRel(("HWACCM: AMD-V revision = %X\n", pVM->hwaccm.s.svm.u32Rev));
1286	LogRel(("HWACCM: AMD-V max ASID = %d\n", pVM->hwaccm.s.uMaxASID));
1287	LogRel(("HWACCM: AMD-V features = %X\n", pVM->hwaccm.s.svm.u32Features));
1288
1289	if (pVM->hwaccm.s.svm.u32Features & AMD_CPUID_SVM_FEATURE_EDX_NESTED_PAGING)
1290	LogRel(("HWACCM: AMD_CPUID_SVM_FEATURE_EDX_NESTED_PAGING\n"));
1291	if (pVM->hwaccm.s.svm.u32Features & AMD_CPUID_SVM_FEATURE_EDX_LBR_VIRT)
1292	LogRel(("HWACCM: AMD_CPUID_SVM_FEATURE_EDX_LBR_VIRT\n"));
1293	if (pVM->hwaccm.s.svm.u32Features & AMD_CPUID_SVM_FEATURE_EDX_SVM_LOCK)
1294	LogRel(("HWACCM: AMD_CPUID_SVM_FEATURE_EDX_SVM_LOCK\n"));
1295	if (pVM->hwaccm.s.svm.u32Features & AMD_CPUID_SVM_FEATURE_EDX_NRIP_SAVE)
1296	LogRel(("HWACCM: AMD_CPUID_SVM_FEATURE_EDX_NRIP_SAVE\n"));
1297	if (pVM->hwaccm.s.svm.u32Features & AMD_CPUID_SVM_FEATURE_EDX_SSE_3_5_DISABLE)
1298	LogRel(("HWACCM: AMD_CPUID_SVM_FEATURE_EDX_SSE_3_5_DISABLE\n"));
1299	if (pVM->hwaccm.s.svm.u32Features & AMD_CPUID_SVM_FEATURE_EDX_PAUSE_FILTER)
1300	LogRel(("HWACCM: AMD_CPUID_SVM_FEATURE_EDX_PAUSE_FILTER\n"));
1301
1302	/* Only try once. */
1303	pVM->hwaccm.s.fInitialized = true;
1304
1305	if (pVM->hwaccm.s.svm.u32Features & AMD_CPUID_SVM_FEATURE_EDX_NESTED_PAGING)
1306	pVM->hwaccm.s.fNestedPaging = pVM->hwaccm.s.fAllowNestedPaging;
1307
1308	rc = SUPR3CallVMMR0Ex(pVM->pVMR0, 0 /idCpu/, VMMR0_DO_HWACC_SETUP_VM, 0, NULL);
1309	AssertRC(rc);
1310	if (rc == VINF_SUCCESS)
1311	{
1312	pVM->fHWACCMEnabled = true;
1313	pVM->hwaccm.s.svm.fEnabled = true;
1314
1315	if (pVM->hwaccm.s.fNestedPaging)
1316	{
1317	LogRel(("HWACCM: Enabled nested paging\n"));
1318	#if HC_ARCH_BITS == 64
1319	if (pVM->hwaccm.s.fLargePages)
1320	{
1321	/* Use large (2 MB) pages for our nested paging PDEs where possible. */
1322	PGMSetLargePageUsage(pVM, true);
1323	LogRel(("HWACCM: Large page support enabled!\n"));
1324	}
1325	#endif
1326	}
1327
1328	hwaccmR3DisableRawMode(pVM);
1329	CPUMSetGuestCpuIdFeature(pVM, CPUMCPUIDFEATURE_SEP);
1330	CPUMSetGuestCpuIdFeature(pVM, CPUMCPUIDFEATURE_SYSCALL);
1331	CPUMSetGuestCpuIdFeature(pVM, CPUMCPUIDFEATURE_RDTSCP);
1332	#ifdef VBOX_ENABLE_64_BITS_GUESTS
1333	if (pVM->hwaccm.s.fAllow64BitGuests)
1334	{
1335	CPUMSetGuestCpuIdFeature(pVM, CPUMCPUIDFEATURE_PAE);
1336	CPUMSetGuestCpuIdFeature(pVM, CPUMCPUIDFEATURE_LONG_MODE);
1337	CPUMSetGuestCpuIdFeature(pVM, CPUMCPUIDFEATURE_NXE);
1338	CPUMSetGuestCpuIdFeature(pVM, CPUMCPUIDFEATURE_LAHF);
1339	}
1340	else
1341	/* Turn on NXE if PAE has been enabled. */
1342	if (CPUMGetGuestCpuIdFeature(pVM, CPUMCPUIDFEATURE_PAE))
1343	CPUMSetGuestCpuIdFeature(pVM, CPUMCPUIDFEATURE_NXE);
1344	#endif
1345
1346	LogRel((pVM->hwaccm.s.fAllow64BitGuests
1347	? "HWACCM: 32-bit and 64-bit guest supported.\n"
1348	: "HWACCM: 32-bit guest supported.\n"));
1349
1350	LogRel(("HWACCM: TPR Patching %s.\n", (pVM->hwaccm.s.fTRPPatchingAllowed) ? "enabled" : "disabled"));
1351	}
1352	else
1353	{
1354	pVM->fHWACCMEnabled = false;
1355	}
1356	}
1357	}
1358	if (pVM->fHWACCMEnabled)
1359	LogRel(("HWACCM: VT-x/AMD-V init method: %s\n", (pVM->hwaccm.s.fGlobalInit) ? "GLOBAL" : "LOCAL"));
1360	RTLogRelSetBuffering(fOldBuffered);
1361	return VINF_SUCCESS;
1362	}
1363
1364	/**
1365	* Applies relocations to data and code managed by this
1366	* component. This function will be called at init and
1367	* whenever the VMM need to relocate it self inside the GC.
1368	*
1369	* @param pVM The VM.
1370	*/
1371	VMMR3DECL(void) HWACCMR3Relocate(PVM pVM)
1372	{
1373	Log(("HWACCMR3Relocate to %RGv\n", MMHyperGetArea(pVM, 0)));
1374
1375	/* Fetch the current paging mode during the relocate callback during state loading. */
1376	if (VMR3GetState(pVM) == VMSTATE_LOADING)
1377	{
1378	for (VMCPUID i = 0; i < pVM->cCpus; i++)
1379	{
1380	PVMCPU pVCpu = &pVM->aCpus[i];
1381
1382	pVCpu->hwaccm.s.enmShadowMode = PGMGetShadowMode(pVCpu);
1383	Assert(pVCpu->hwaccm.s.vmx.enmCurrGuestMode == PGMGetGuestMode(pVCpu));
1384	pVCpu->hwaccm.s.vmx.enmCurrGuestMode = PGMGetGuestMode(pVCpu);
1385	}
1386	}
1387	#if HC_ARCH_BITS == 32 && defined(VBOX_ENABLE_64_BITS_GUESTS) && !defined(VBOX_WITH_HYBRID_32BIT_KERNEL)
1388	if (pVM->fHWACCMEnabled)
1389	{
1390	int rc;
1391
1392	switch(PGMGetHostMode(pVM))
1393	{
1394	case PGMMODE_32_BIT:
1395	pVM->hwaccm.s.pfnHost32ToGuest64R0 = VMMR3GetHostToGuestSwitcher(pVM, VMMSWITCHER_32_TO_AMD64);
1396	break;
1397
1398	case PGMMODE_PAE:
1399	case PGMMODE_PAE_NX:
1400	pVM->hwaccm.s.pfnHost32ToGuest64R0 = VMMR3GetHostToGuestSwitcher(pVM, VMMSWITCHER_PAE_TO_AMD64);
1401	break;
1402
1403	default:
1404	AssertFailed();
1405	break;
1406	}
1407	rc = PDMR3LdrGetSymbolRC(pVM, NULL, "VMXGCStartVM64", &pVM->hwaccm.s.pfnVMXGCStartVM64);
1408	AssertReleaseMsgRC(rc, ("VMXGCStartVM64 -> rc=%Rrc\n", rc));
1409
1410	rc = PDMR3LdrGetSymbolRC(pVM, NULL, "SVMGCVMRun64", &pVM->hwaccm.s.pfnSVMGCVMRun64);
1411	AssertReleaseMsgRC(rc, ("SVMGCVMRun64 -> rc=%Rrc\n", rc));
1412
1413	rc = PDMR3LdrGetSymbolRC(pVM, NULL, "HWACCMSaveGuestFPU64", &pVM->hwaccm.s.pfnSaveGuestFPU64);
1414	AssertReleaseMsgRC(rc, ("HWACCMSetupFPU64 -> rc=%Rrc\n", rc));
1415
1416	rc = PDMR3LdrGetSymbolRC(pVM, NULL, "HWACCMSaveGuestDebug64", &pVM->hwaccm.s.pfnSaveGuestDebug64);
1417	AssertReleaseMsgRC(rc, ("HWACCMSetupDebug64 -> rc=%Rrc\n", rc));
1418
1419	# ifdef DEBUG
1420	rc = PDMR3LdrGetSymbolRC(pVM, NULL, "HWACCMTestSwitcher64", &pVM->hwaccm.s.pfnTest64);
1421	AssertReleaseMsgRC(rc, ("HWACCMTestSwitcher64 -> rc=%Rrc\n", rc));
1422	# endif
1423	}
1424	#endif
1425	return;
1426	}
1427
1428	/**
1429	* Checks hardware accelerated raw mode is allowed.
1430	*
1431	* @returns boolean
1432	* @param pVM The VM to operate on.
1433	*/
1434	VMMR3DECL(bool) HWACCMR3IsAllowed(PVM pVM)
1435	{
1436	return pVM->hwaccm.s.fAllowed;
1437	}
1438
1439	/**
1440	* Notification callback which is called whenever there is a chance that a CR3
1441	* value might have changed.
1442	*
1443	* This is called by PGM.
1444	*
1445	* @param pVM The VM to operate on.
1446	* @param pVCpu The VMCPU to operate on.
1447	* @param enmShadowMode New shadow paging mode.
1448	* @param enmGuestMode New guest paging mode.
1449	*/
1450	VMMR3DECL(void) HWACCMR3PagingModeChanged(PVM pVM, PVMCPU pVCpu, PGMMODE enmShadowMode, PGMMODE enmGuestMode)
1451	{
1452	/* Ignore page mode changes during state loading. */
1453	if (VMR3GetState(pVCpu->pVMR3) == VMSTATE_LOADING)
1454	return;
1455
1456	pVCpu->hwaccm.s.enmShadowMode = enmShadowMode;
1457
1458	if ( pVM->hwaccm.s.vmx.fEnabled
1459	&& pVM->fHWACCMEnabled)
1460	{
1461	if ( pVCpu->hwaccm.s.vmx.enmLastSeenGuestMode == PGMMODE_REAL
1462	&& enmGuestMode >= PGMMODE_PROTECTED)
1463	{
1464	PCPUMCTX pCtx;
1465
1466	pCtx = CPUMQueryGuestCtxPtr(pVCpu);
1467
1468	/* After a real mode switch to protected mode we must force
1469	* CPL to 0. Our real mode emulation had to set it to 3.
1470	*/
1471	pCtx->ssHid.Attr.n.u2Dpl = 0;
1472	}
1473	}
1474
1475	if (pVCpu->hwaccm.s.vmx.enmCurrGuestMode != enmGuestMode)
1476	{
1477	/* Keep track of paging mode changes. */
1478	pVCpu->hwaccm.s.vmx.enmPrevGuestMode = pVCpu->hwaccm.s.vmx.enmCurrGuestMode;
1479	pVCpu->hwaccm.s.vmx.enmCurrGuestMode = enmGuestMode;
1480
1481	/* Did we miss a change, because all code was executed in the recompiler? */
1482	if (pVCpu->hwaccm.s.vmx.enmLastSeenGuestMode == enmGuestMode)
1483	{
1484	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)));
1485	pVCpu->hwaccm.s.vmx.enmLastSeenGuestMode = pVCpu->hwaccm.s.vmx.enmPrevGuestMode;
1486	}
1487	}
1488
1489	/* Reset the contents of the read cache. */
1490	PVMCSCACHE pCache = &pVCpu->hwaccm.s.vmx.VMCSCache;
1491	for (unsigned j=0;j<pCache->Read.cValidEntries;j++)
1492	pCache->Read.aFieldVal[j] = 0;
1493	}
1494
1495	/**
1496	* Terminates the HWACCM.
1497	*
1498	* Termination means cleaning up and freeing all resources,
1499	* the VM it self is at this point powered off or suspended.
1500	*
1501	* @returns VBox status code.
1502	* @param pVM The VM to operate on.
1503	*/
1504	VMMR3DECL(int) HWACCMR3Term(PVM pVM)
1505	{
1506	if (pVM->hwaccm.s.vmx.pRealModeTSS)
1507	{
1508	PDMR3VMMDevHeapFree(pVM, pVM->hwaccm.s.vmx.pRealModeTSS);
1509	pVM->hwaccm.s.vmx.pRealModeTSS = 0;
1510	}
1511	HWACCMR3TermCPU(pVM);
1512	return 0;
1513	}
1514
1515	/**
1516	* Terminates the per-VCPU HWACCM.
1517	*
1518	* Termination means cleaning up and freeing all resources,
1519	* the VM it self is at this point powered off or suspended.
1520	*
1521	* @returns VBox status code.
1522	* @param pVM The VM to operate on.
1523	*/
1524	VMMR3DECL(int) HWACCMR3TermCPU(PVM pVM)
1525	{
1526	for (VMCPUID i = 0; i < pVM->cCpus; i++)
1527	{
1528	PVMCPU pVCpu = &pVM->aCpus[i];
1529
1530	#ifdef VBOX_WITH_STATISTICS
1531	if (pVCpu->hwaccm.s.paStatExitReason)
1532	{
1533	MMHyperFree(pVM, pVCpu->hwaccm.s.paStatExitReason);
1534	pVCpu->hwaccm.s.paStatExitReason = NULL;
1535	pVCpu->hwaccm.s.paStatExitReasonR0 = NIL_RTR0PTR;
1536	}
1537	if (pVCpu->hwaccm.s.paStatInjectedIrqs)
1538	{
1539	MMHyperFree(pVM, pVCpu->hwaccm.s.paStatInjectedIrqs);
1540	pVCpu->hwaccm.s.paStatInjectedIrqs = NULL;
1541	pVCpu->hwaccm.s.paStatInjectedIrqsR0 = NIL_RTR0PTR;
1542	}
1543	#endif
1544
1545	#ifdef VBOX_WITH_CRASHDUMP_MAGIC
1546	memset(pVCpu->hwaccm.s.vmx.VMCSCache.aMagic, 0, sizeof(pVCpu->hwaccm.s.vmx.VMCSCache.aMagic));
1547	pVCpu->hwaccm.s.vmx.VMCSCache.uMagic = 0;
1548	pVCpu->hwaccm.s.vmx.VMCSCache.uPos = 0xffffffff;
1549	#endif
1550	}
1551	return 0;
1552	}
1553
1554	/**
1555	* Resets a virtual CPU.
1556	*
1557	* Used by HWACCMR3Reset and CPU hot plugging.
1558	*
1559	* @param pVCpu The CPU to reset.
1560	*/
1561	VMMR3DECL(void) HWACCMR3ResetCpu(PVMCPU pVCpu)
1562	{
1563	/* On first entry we'll sync everything. */
1564	pVCpu->hwaccm.s.fContextUseFlags = HWACCM_CHANGED_ALL;
1565
1566	pVCpu->hwaccm.s.vmx.cr0_mask = 0;
1567	pVCpu->hwaccm.s.vmx.cr4_mask = 0;
1568
1569	pVCpu->hwaccm.s.fActive = false;
1570	pVCpu->hwaccm.s.Event.fPending = false;
1571
1572	/* Reset state information for real-mode emulation in VT-x. */
1573	pVCpu->hwaccm.s.vmx.enmLastSeenGuestMode = PGMMODE_REAL;
1574	pVCpu->hwaccm.s.vmx.enmPrevGuestMode = PGMMODE_REAL;
1575	pVCpu->hwaccm.s.vmx.enmCurrGuestMode = PGMMODE_REAL;
1576
1577	/* Reset the contents of the read cache. */
1578	PVMCSCACHE pCache = &pVCpu->hwaccm.s.vmx.VMCSCache;
1579	for (unsigned j=0;j<pCache->Read.cValidEntries;j++)
1580	pCache->Read.aFieldVal[j] = 0;
1581
1582	#ifdef VBOX_WITH_CRASHDUMP_MAGIC
1583	/* Magic marker for searching in crash dumps. */
1584	strcpy((char *)pCache->aMagic, "VMCSCACHE Magic");
1585	pCache->uMagic = UINT64_C(0xDEADBEEFDEADBEEF);
1586	#endif
1587	}
1588
1589	/**
1590	* The VM is being reset.
1591	*
1592	* For the HWACCM component this means that any GDT/LDT/TSS monitors
1593	* needs to be removed.
1594	*
1595	* @param pVM VM handle.
1596	*/
1597	VMMR3DECL(void) HWACCMR3Reset(PVM pVM)
1598	{
1599	LogFlow(("HWACCMR3Reset:\n"));
1600
1601	if (pVM->fHWACCMEnabled)
1602	hwaccmR3DisableRawMode(pVM);
1603
1604	for (VMCPUID i = 0; i < pVM->cCpus; i++)
1605	{
1606	PVMCPU pVCpu = &pVM->aCpus[i];
1607
1608	HWACCMR3ResetCpu(pVCpu);
1609	}
1610
1611	/* Clear all patch information. */
1612	pVM->hwaccm.s.pGuestPatchMem = 0;
1613	pVM->hwaccm.s.pFreeGuestPatchMem = 0;
1614	pVM->hwaccm.s.cbGuestPatchMem = 0;
1615	pVM->hwaccm.s.cPatches = 0;
1616	pVM->hwaccm.s.PatchTree = 0;
1617	pVM->hwaccm.s.fTPRPatchingActive = false;
1618	ASMMemZero32(pVM->hwaccm.s.aPatches, sizeof(pVM->hwaccm.s.aPatches));
1619	}
1620
1621	/**
1622	* Callback to patch a TPR instruction (vmmcall or mov cr8)
1623	*
1624	* @returns VBox strict status code.
1625	* @param pVM The VM handle.
1626	* @param pVCpu The VMCPU for the EMT we're being called on.
1627	* @param pvUser Unused
1628	*
1629	*/
1630	DECLCALLBACK(VBOXSTRICTRC) hwaccmR3RemovePatches(PVM pVM, PVMCPU pVCpu, void *pvUser)
1631	{
1632	VMCPUID idCpu = (VMCPUID)(uintptr_t)pvUser;
1633
1634	/* Only execute the handler on the VCPU the original patch request was issued. */
1635	if (pVCpu->idCpu != idCpu)
1636	return VINF_SUCCESS;
1637
1638	Log(("hwaccmR3RemovePatches\n"));
1639	for (unsigned i = 0; i < pVM->hwaccm.s.cPatches; i++)
1640	{
1641	uint8_t szInstr[15];
1642	PHWACCMTPRPATCH pPatch = &pVM->hwaccm.s.aPatches[i];
1643	RTGCPTR pInstrGC = (RTGCPTR)pPatch->Core.Key;
1644	int rc;
1645
1646	#ifdef LOG_ENABLED
1647	char szOutput[256];
1648
1649	rc = DBGFR3DisasInstrEx(pVM, pVCpu->idCpu, CPUMGetGuestCS(pVCpu), pInstrGC, DBGF_DISAS_FLAGS_DEFAULT_MODE,
1650	szOutput, sizeof(szOutput), NULL);
1651	if (RT_SUCCESS(rc))
1652	Log(("Patched instr: %s\n", szOutput));
1653	#endif
1654
1655	/* Check if the instruction is still the same. */
1656	rc = PGMPhysSimpleReadGCPtr(pVCpu, szInstr, pInstrGC, pPatch->cbNewOp);
1657	if (rc != VINF_SUCCESS)
1658	{
1659	Log(("Patched code removed? (rc=%Rrc0\n", rc));
1660	continue; /* swapped out or otherwise removed; skip it. */
1661	}
1662
1663	if (memcmp(szInstr, pPatch->aNewOpcode, pPatch->cbNewOp))
1664	{
1665	Log(("Patched instruction was changed! (rc=%Rrc0\n", rc));
1666	continue; /* skip it. */
1667	}
1668
1669	rc = PGMPhysSimpleWriteGCPtr(pVCpu, pInstrGC, pPatch->aOpcode, pPatch->cbOp);
1670	AssertRC(rc);
1671
1672	#ifdef LOG_ENABLED
1673	rc = DBGFR3DisasInstrEx(pVM, pVCpu->idCpu, CPUMGetGuestCS(pVCpu), pInstrGC, DBGF_DISAS_FLAGS_DEFAULT_MODE,
1674	szOutput, sizeof(szOutput), NULL);
1675	if (RT_SUCCESS(rc))
1676	Log(("Original instr: %s\n", szOutput));
1677	#endif
1678	}
1679	pVM->hwaccm.s.cPatches = 0;
1680	pVM->hwaccm.s.PatchTree = 0;
1681	pVM->hwaccm.s.pFreeGuestPatchMem = pVM->hwaccm.s.pGuestPatchMem;
1682	pVM->hwaccm.s.fTPRPatchingActive = false;
1683	return VINF_SUCCESS;
1684	}
1685
1686	/**
1687	* Enable patching in a VT-x/AMD-V guest
1688	*
1689	* @returns VBox status code.
1690	* @param pVM The VM to operate on.
1691	* @param idCpu VCPU to execute hwaccmR3RemovePatches on
1692	* @param pPatchMem Patch memory range
1693	* @param cbPatchMem Size of the memory range
1694	*/
1695	int hwaccmR3EnablePatching(PVM pVM, VMCPUID idCpu, RTRCPTR pPatchMem, unsigned cbPatchMem)
1696	{
1697	int rc = VMMR3EmtRendezvous(pVM, VMMEMTRENDEZVOUS_FLAGS_TYPE_ONE_BY_ONE, hwaccmR3RemovePatches, (void *)idCpu);
1698	AssertRC(rc);
1699
1700	pVM->hwaccm.s.pGuestPatchMem = pPatchMem;
1701	pVM->hwaccm.s.pFreeGuestPatchMem = pPatchMem;
1702	pVM->hwaccm.s.cbGuestPatchMem = cbPatchMem;
1703	return VINF_SUCCESS;
1704	}
1705
1706	/**
1707	* Enable patching in a VT-x/AMD-V guest
1708	*
1709	* @returns VBox status code.
1710	* @param pVM The VM to operate on.
1711	* @param pPatchMem Patch memory range
1712	* @param cbPatchMem Size of the memory range
1713	*/
1714	VMMR3DECL(int) HWACMMR3EnablePatching(PVM pVM, RTGCPTR pPatchMem, unsigned cbPatchMem)
1715	{
1716	Log(("HWACMMR3EnablePatching %RGv size %x\n", pPatchMem, cbPatchMem));
1717	if (pVM->cCpus > 1)
1718	{
1719	/* We own the IOM lock here and could cause a deadlock by waiting for a VCPU that is blocking on the IOM lock. */
1720	int rc = VMR3ReqCallNoWaitU(pVM->pUVM, VMCPUID_ANY_QUEUE,
1721	(PFNRT)hwaccmR3EnablePatching, 4, pVM, VMMGetCpuId(pVM), (RTRCPTR)pPatchMem, cbPatchMem);
1722	AssertRC(rc);
1723	return rc;
1724	}
1725	return hwaccmR3EnablePatching(pVM, VMMGetCpuId(pVM), (RTRCPTR)pPatchMem, cbPatchMem);
1726	}
1727
1728	/**
1729	* Disable patching in a VT-x/AMD-V guest
1730	*
1731	* @returns VBox status code.
1732	* @param pVM The VM to operate on.
1733	* @param pPatchMem Patch memory range
1734	* @param cbPatchMem Size of the memory range
1735	*/
1736	VMMR3DECL(int) HWACMMR3DisablePatching(PVM pVM, RTGCPTR pPatchMem, unsigned cbPatchMem)
1737	{
1738	Log(("HWACMMR3DisablePatching %RGv size %x\n", pPatchMem, cbPatchMem));
1739
1740	Assert(pVM->hwaccm.s.pGuestPatchMem == pPatchMem);
1741	Assert(pVM->hwaccm.s.cbGuestPatchMem == cbPatchMem);
1742
1743	/* @todo Potential deadlock when other VCPUs are waiting on the IOM lock (we own it)!! */
1744	int rc = VMMR3EmtRendezvous(pVM, VMMEMTRENDEZVOUS_FLAGS_TYPE_ONE_BY_ONE, hwaccmR3RemovePatches, (void *)VMMGetCpuId(pVM));
1745	AssertRC(rc);
1746
1747	pVM->hwaccm.s.pGuestPatchMem = 0;
1748	pVM->hwaccm.s.pFreeGuestPatchMem = 0;
1749	pVM->hwaccm.s.cbGuestPatchMem = 0;
1750	pVM->hwaccm.s.fTPRPatchingActive = false;
1751	return VINF_SUCCESS;
1752	}
1753
1754
1755	/**
1756	* Callback to patch a TPR instruction (vmmcall or mov cr8)
1757	*
1758	* @returns VBox strict status code.
1759	* @param pVM The VM handle.
1760	* @param pVCpu The VMCPU for the EMT we're being called on.
1761	* @param pvUser User specified CPU context
1762	*
1763	*/
1764	DECLCALLBACK(VBOXSTRICTRC) hwaccmR3ReplaceTprInstr(PVM pVM, PVMCPU pVCpu, void *pvUser)
1765	{
1766	VMCPUID idCpu = (VMCPUID)(uintptr_t)pvUser;
1767	PCPUMCTX pCtx = CPUMQueryGuestCtxPtr(pVCpu);
1768	PDISCPUSTATE pDis = &pVCpu->hwaccm.s.DisState;
1769	unsigned cbOp;
1770
1771	/* 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) */
1772	if (pVCpu->idCpu != idCpu)
1773	return VINF_SUCCESS;
1774
1775	Log(("hwaccmR3ReplaceTprInstr: %RGv\n", pCtx->rip));
1776
1777	/* Two or more VCPUs were racing to patch this instruction. */
1778	PHWACCMTPRPATCH pPatch = (PHWACCMTPRPATCH)RTAvloU32Get(&pVM->hwaccm.s.PatchTree, (AVLOU32KEY)pCtx->eip);
1779	if (pPatch)
1780	return VINF_SUCCESS;
1781
1782	Assert(pVM->hwaccm.s.cPatches < RT_ELEMENTS(pVM->hwaccm.s.aPatches));
1783
1784	int rc = EMInterpretDisasOne(pVM, pVCpu, CPUMCTX2CORE(pCtx), pDis, &cbOp);
1785	AssertRC(rc);
1786	if ( rc == VINF_SUCCESS
1787	&& pDis->pCurInstr->opcode == OP_MOV
1788	&& cbOp >= 3)
1789	{
1790	uint8_t aVMMCall[3] = { 0xf, 0x1, 0xd9};
1791	uint32_t idx = pVM->hwaccm.s.cPatches;
1792
1793	pPatch = &pVM->hwaccm.s.aPatches[idx];
1794
1795	rc = PGMPhysSimpleReadGCPtr(pVCpu, pPatch->aOpcode, pCtx->rip, cbOp);
1796	AssertRC(rc);
1797
1798	pPatch->cbOp = cbOp;
1799
1800	if (pDis->param1.flags == USE_DISPLACEMENT32)
1801	{
1802	/* write. */
1803	if (pDis->param2.flags == USE_REG_GEN32)
1804	{
1805	pPatch->enmType = HWACCMTPRINSTR_WRITE_REG;
1806	pPatch->uSrcOperand = pDis->param2.base.reg_gen;
1807	}
1808	else
1809	{
1810	Assert(pDis->param2.flags == USE_IMMEDIATE32);
1811	pPatch->enmType = HWACCMTPRINSTR_WRITE_IMM;
1812	pPatch->uSrcOperand = pDis->param2.parval;
1813	}
1814	rc = PGMPhysSimpleWriteGCPtr(pVCpu, pCtx->rip, aVMMCall, sizeof(aVMMCall));
1815	AssertRC(rc);
1816
1817	memcpy(pPatch->aNewOpcode, aVMMCall, sizeof(aVMMCall));
1818	pPatch->cbNewOp = sizeof(aVMMCall);
1819	}
1820	else
1821	{
1822	RTGCPTR oldrip = pCtx->rip;
1823	uint32_t oldcbOp = cbOp;
1824	uint32_t uMmioReg = pDis->param1.base.reg_gen;
1825
1826	/* read */
1827	Assert(pDis->param1.flags == USE_REG_GEN32);
1828
1829	/* Found:
1830	* mov eax, dword [fffe0080] (5 bytes)
1831	* Check if next instruction is:
1832	* shr eax, 4
1833	*/
1834	pCtx->rip += cbOp;
1835	rc = EMInterpretDisasOne(pVM, pVCpu, CPUMCTX2CORE(pCtx), pDis, &cbOp);
1836	pCtx->rip = oldrip;
1837	if ( rc == VINF_SUCCESS
1838	&& pDis->pCurInstr->opcode == OP_SHR
1839	&& pDis->param1.flags == USE_REG_GEN32
1840	&& pDis->param1.base.reg_gen == uMmioReg
1841	&& pDis->param2.flags == USE_IMMEDIATE8
1842	&& pDis->param2.parval == 4
1843	&& oldcbOp + cbOp < sizeof(pVM->hwaccm.s.aPatches[idx].aOpcode))
1844	{
1845	uint8_t szInstr[15];
1846
1847	/* Replacing two instructions now. */
1848	rc = PGMPhysSimpleReadGCPtr(pVCpu, &pPatch->aOpcode, pCtx->rip, oldcbOp + cbOp);
1849	AssertRC(rc);
1850
1851	pPatch->cbOp = oldcbOp + cbOp;
1852
1853	/* 0xF0, 0x0F, 0x20, 0xC0 = mov eax, cr8 */
1854	szInstr[0] = 0xF0;
1855	szInstr[1] = 0x0F;
1856	szInstr[2] = 0x20;
1857	szInstr[3] = 0xC0 \| pDis->param1.base.reg_gen;
1858	for (unsigned i = 4; i < pPatch->cbOp; i++)
1859	szInstr[i] = 0x90; /* nop */
1860
1861	rc = PGMPhysSimpleWriteGCPtr(pVCpu, pCtx->rip, szInstr, pPatch->cbOp);
1862	AssertRC(rc);
1863
1864	memcpy(pPatch->aNewOpcode, szInstr, pPatch->cbOp);
1865	pPatch->cbNewOp = pPatch->cbOp;
1866
1867	Log(("Acceptable read/shr candidate!\n"));
1868	pPatch->enmType = HWACCMTPRINSTR_READ_SHR4;
1869	}
1870	else
1871	{
1872	pPatch->enmType = HWACCMTPRINSTR_READ;
1873	pPatch->uDstOperand = pDis->param1.base.reg_gen;
1874
1875	rc = PGMPhysSimpleWriteGCPtr(pVCpu, pCtx->rip, aVMMCall, sizeof(aVMMCall));
1876	AssertRC(rc);
1877
1878	memcpy(pPatch->aNewOpcode, aVMMCall, sizeof(aVMMCall));
1879	pPatch->cbNewOp = sizeof(aVMMCall);
1880	}
1881	}
1882
1883	pPatch->Core.Key = pCtx->eip;
1884	rc = RTAvloU32Insert(&pVM->hwaccm.s.PatchTree, &pPatch->Core);
1885	AssertRC(rc);
1886
1887	pVM->hwaccm.s.cPatches++;
1888	STAM_COUNTER_INC(&pVM->hwaccm.s.StatTPRReplaceSuccess);
1889	return VINF_SUCCESS;
1890	}
1891
1892	/* Save invalid patch, so we will not try again. */
1893	uint32_t idx = pVM->hwaccm.s.cPatches;
1894
1895	#ifdef LOG_ENABLED
1896	char szOutput[256];
1897	rc = DBGFR3DisasInstrEx(pVM, pVCpu->idCpu, pCtx->cs, pCtx->rip, DBGF_DISAS_FLAGS_DEFAULT_MODE,
1898	szOutput, sizeof(szOutput), NULL);
1899	if (RT_SUCCESS(rc))
1900	Log(("Failed to patch instr: %s\n", szOutput));
1901	#endif
1902
1903	pPatch = &pVM->hwaccm.s.aPatches[idx];
1904	pPatch->Core.Key = pCtx->eip;
1905	pPatch->enmType = HWACCMTPRINSTR_INVALID;
1906	rc = RTAvloU32Insert(&pVM->hwaccm.s.PatchTree, &pPatch->Core);
1907	AssertRC(rc);
1908	pVM->hwaccm.s.cPatches++;
1909	STAM_COUNTER_INC(&pVM->hwaccm.s.StatTPRReplaceFailure);
1910	return VINF_SUCCESS;
1911	}
1912
1913	/**
1914	* Callback to patch a TPR instruction (jump to generated code)
1915	*
1916	* @returns VBox strict status code.
1917	* @param pVM The VM handle.
1918	* @param pVCpu The VMCPU for the EMT we're being called on.
1919	* @param pvUser User specified CPU context
1920	*
1921	*/
1922	DECLCALLBACK(VBOXSTRICTRC) hwaccmR3PatchTprInstr(PVM pVM, PVMCPU pVCpu, void *pvUser)
1923	{
1924	VMCPUID idCpu = (VMCPUID)(uintptr_t)pvUser;
1925	PCPUMCTX pCtx = CPUMQueryGuestCtxPtr(pVCpu);
1926	PDISCPUSTATE pDis = &pVCpu->hwaccm.s.DisState;
1927	unsigned cbOp;
1928	int rc;
1929	#ifdef LOG_ENABLED
1930	RTGCPTR pInstr;
1931	char szOutput[256];
1932	#endif
1933
1934	/* 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) */
1935	if (pVCpu->idCpu != idCpu)
1936	return VINF_SUCCESS;
1937
1938	Assert(pVM->hwaccm.s.cPatches < RT_ELEMENTS(pVM->hwaccm.s.aPatches));
1939
1940	/* Two or more VCPUs were racing to patch this instruction. */
1941	PHWACCMTPRPATCH pPatch = (PHWACCMTPRPATCH)RTAvloU32Get(&pVM->hwaccm.s.PatchTree, (AVLOU32KEY)pCtx->eip);
1942	if (pPatch)
1943	{
1944	Log(("hwaccmR3PatchTprInstr: already patched %RGv\n", pCtx->rip));
1945	return VINF_SUCCESS;
1946	}
1947
1948	Log(("hwaccmR3PatchTprInstr %RGv\n", pCtx->rip));
1949
1950	rc = EMInterpretDisasOne(pVM, pVCpu, CPUMCTX2CORE(pCtx), pDis, &cbOp);
1951	AssertRC(rc);
1952	if ( rc == VINF_SUCCESS
1953	&& pDis->pCurInstr->opcode == OP_MOV
1954	&& cbOp >= 5)
1955	{
1956	uint32_t idx = pVM->hwaccm.s.cPatches;
1957	uint8_t aPatch[64];
1958	uint32_t off = 0;
1959
1960	pPatch = &pVM->hwaccm.s.aPatches[idx];
1961
1962	#ifdef LOG_ENABLED
1963	rc = DBGFR3DisasInstrEx(pVM, pVCpu->idCpu, pCtx->cs, pCtx->rip, DBGF_DISAS_FLAGS_DEFAULT_MODE,
1964	szOutput, sizeof(szOutput), NULL);
1965	if (RT_SUCCESS(rc))
1966	Log(("Original instr: %s\n", szOutput));
1967	#endif
1968
1969	rc = PGMPhysSimpleReadGCPtr(pVCpu, pPatch->aOpcode, pCtx->rip, cbOp);
1970	AssertRC(rc);
1971
1972	pPatch->cbOp = cbOp;
1973	pPatch->enmType = HWACCMTPRINSTR_JUMP_REPLACEMENT;
1974
1975	if (pDis->param1.flags == USE_DISPLACEMENT32)
1976	{
1977	/*
1978	* TPR write:
1979	*
1980	* push ECX [51]
1981	* push EDX [52]
1982	* push EAX [50]
1983	* xor EDX,EDX [31 D2]
1984	* mov EAX,EAX [89 C0]
1985	* or
1986	* mov EAX,0000000CCh [B8 CC 00 00 00]
1987	* mov ECX,0C0000082h [B9 82 00 00 C0]
1988	* wrmsr [0F 30]
1989	* pop EAX [58]
1990	* pop EDX [5A]
1991	* pop ECX [59]
1992	* jmp return_address [E9 return_address]
1993	*
1994	*/
1995	bool fUsesEax = (pDis->param2.flags == USE_REG_GEN32 && pDis->param2.base.reg_gen == USE_REG_EAX);
1996
1997	aPatch[off++] = 0x51; /* push ecx */
1998	aPatch[off++] = 0x52; /* push edx */
1999	if (!fUsesEax)
2000	aPatch[off++] = 0x50; /* push eax */
2001	aPatch[off++] = 0x31; /* xor edx, edx */
2002	aPatch[off++] = 0xD2;
2003	if (pDis->param2.flags == USE_REG_GEN32)
2004	{
2005	if (!fUsesEax)
2006	{
2007	aPatch[off++] = 0x89; /* mov eax, src_reg */
2008	aPatch[off++] = MAKE_MODRM(3, pDis->param2.base.reg_gen, USE_REG_EAX);
2009	}
2010	}
2011	else
2012	{
2013	Assert(pDis->param2.flags == USE_IMMEDIATE32);
2014	aPatch[off++] = 0xB8; /* mov eax, immediate */
2015	(uint32_t )&aPatch[off] = pDis->param2.parval;
2016	off += sizeof(uint32_t);
2017	}
2018	aPatch[off++] = 0xB9; /* mov ecx, 0xc0000082 */
2019	(uint32_t )&aPatch[off] = MSR_K8_LSTAR;
2020	off += sizeof(uint32_t);
2021
2022	aPatch[off++] = 0x0F; /* wrmsr */
2023	aPatch[off++] = 0x30;
2024	if (!fUsesEax)
2025	aPatch[off++] = 0x58; /* pop eax */
2026	aPatch[off++] = 0x5A; /* pop edx */
2027	aPatch[off++] = 0x59; /* pop ecx */
2028	}
2029	else
2030	{
2031	/*
2032	* TPR read:
2033	*
2034	* push ECX [51]
2035	* push EDX [52]
2036	* push EAX [50]
2037	* mov ECX,0C0000082h [B9 82 00 00 C0]
2038	* rdmsr [0F 32]
2039	* mov EAX,EAX [89 C0]
2040	* pop EAX [58]
2041	* pop EDX [5A]
2042	* pop ECX [59]
2043	* jmp return_address [E9 return_address]
2044	*
2045	*/
2046	Assert(pDis->param1.flags == USE_REG_GEN32);
2047
2048	if (pDis->param1.base.reg_gen != USE_REG_ECX)
2049	aPatch[off++] = 0x51; /* push ecx */
2050	if (pDis->param1.base.reg_gen != USE_REG_EDX)
2051	aPatch[off++] = 0x52; /* push edx */
2052	if (pDis->param1.base.reg_gen != USE_REG_EAX)
2053	aPatch[off++] = 0x50; /* push eax */
2054
2055	aPatch[off++] = 0x31; /* xor edx, edx */
2056	aPatch[off++] = 0xD2;
2057
2058	aPatch[off++] = 0xB9; /* mov ecx, 0xc0000082 */
2059	(uint32_t )&aPatch[off] = MSR_K8_LSTAR;
2060	off += sizeof(uint32_t);
2061
2062	aPatch[off++] = 0x0F; /* rdmsr */
2063	aPatch[off++] = 0x32;
2064
2065	if (pDis->param1.base.reg_gen != USE_REG_EAX)
2066	{
2067	aPatch[off++] = 0x89; /* mov dst_reg, eax */
2068	aPatch[off++] = MAKE_MODRM(3, USE_REG_EAX, pDis->param1.base.reg_gen);
2069	}
2070
2071	if (pDis->param1.base.reg_gen != USE_REG_EAX)
2072	aPatch[off++] = 0x58; /* pop eax */
2073	if (pDis->param1.base.reg_gen != USE_REG_EDX)
2074	aPatch[off++] = 0x5A; /* pop edx */
2075	if (pDis->param1.base.reg_gen != USE_REG_ECX)
2076	aPatch[off++] = 0x59; /* pop ecx */
2077	}
2078	aPatch[off++] = 0xE9; /* jmp return_address */
2079	(RTRCUINTPTR )&aPatch[off] = ((RTRCUINTPTR)pCtx->eip + cbOp) - ((RTRCUINTPTR)pVM->hwaccm.s.pFreeGuestPatchMem + off + 4);
2080	off += sizeof(RTRCUINTPTR);
2081
2082	if (pVM->hwaccm.s.pFreeGuestPatchMem + off <= pVM->hwaccm.s.pGuestPatchMem + pVM->hwaccm.s.cbGuestPatchMem)
2083	{
2084	/* Write new code to the patch buffer. */
2085	rc = PGMPhysSimpleWriteGCPtr(pVCpu, pVM->hwaccm.s.pFreeGuestPatchMem, aPatch, off);
2086	AssertRC(rc);
2087
2088	#ifdef LOG_ENABLED
2089	pInstr = pVM->hwaccm.s.pFreeGuestPatchMem;
2090	while (true)
2091	{
2092	uint32_t cb;
2093
2094	rc = DBGFR3DisasInstrEx(pVM, pVCpu->idCpu, pCtx->cs, pInstr, DBGF_DISAS_FLAGS_DEFAULT_MODE,
2095	szOutput, sizeof(szOutput), &cb);
2096	if (RT_SUCCESS(rc))
2097	Log(("Patch instr %s\n", szOutput));
2098
2099	pInstr += cb;
2100
2101	if (pInstr >= pVM->hwaccm.s.pFreeGuestPatchMem + off)
2102	break;
2103	}
2104	#endif
2105
2106	pPatch->aNewOpcode[0] = 0xE9;
2107	(RTRCUINTPTR )&pPatch->aNewOpcode[1] = ((RTRCUINTPTR)pVM->hwaccm.s.pFreeGuestPatchMem) - ((RTRCUINTPTR)pCtx->eip + 5);
2108
2109	/* Overwrite the TPR instruction with a jump. */
2110	rc = PGMPhysSimpleWriteGCPtr(pVCpu, pCtx->eip, pPatch->aNewOpcode, 5);
2111	AssertRC(rc);
2112
2113	#ifdef LOG_ENABLED
2114	rc = DBGFR3DisasInstrEx(pVM, pVCpu->idCpu, pCtx->cs, pCtx->rip, DBGF_DISAS_FLAGS_DEFAULT_MODE,
2115	szOutput, sizeof(szOutput), NULL);
2116	if (RT_SUCCESS(rc))
2117	Log(("Jump: %s\n", szOutput));
2118	#endif
2119	pVM->hwaccm.s.pFreeGuestPatchMem += off;
2120	pPatch->cbNewOp = 5;
2121
2122	pPatch->Core.Key = pCtx->eip;
2123	rc = RTAvloU32Insert(&pVM->hwaccm.s.PatchTree, &pPatch->Core);
2124	AssertRC(rc);
2125
2126	pVM->hwaccm.s.cPatches++;
2127	pVM->hwaccm.s.fTPRPatchingActive = true;
2128	STAM_COUNTER_INC(&pVM->hwaccm.s.StatTPRPatchSuccess);
2129	return VINF_SUCCESS;
2130	}
2131	else
2132	Log(("Ran out of space in our patch buffer!\n"));
2133	}
2134
2135	/* Save invalid patch, so we will not try again. */
2136	uint32_t idx = pVM->hwaccm.s.cPatches;
2137
2138	#ifdef LOG_ENABLED
2139	rc = DBGFR3DisasInstrEx(pVM, pVCpu->idCpu, pCtx->cs, pCtx->rip, DBGF_DISAS_FLAGS_DEFAULT_MODE,
2140	szOutput, sizeof(szOutput), NULL);
2141	if (RT_SUCCESS(rc))
2142	Log(("Failed to patch instr: %s\n", szOutput));
2143	#endif
2144
2145	pPatch = &pVM->hwaccm.s.aPatches[idx];
2146	pPatch->Core.Key = pCtx->eip;
2147	pPatch->enmType = HWACCMTPRINSTR_INVALID;
2148	rc = RTAvloU32Insert(&pVM->hwaccm.s.PatchTree, &pPatch->Core);
2149	AssertRC(rc);
2150	pVM->hwaccm.s.cPatches++;
2151	STAM_COUNTER_INC(&pVM->hwaccm.s.StatTPRPatchFailure);
2152	return VINF_SUCCESS;
2153	}
2154
2155	/**
2156	* Attempt to patch TPR mmio instructions
2157	*
2158	* @returns VBox status code.
2159	* @param pVM The VM to operate on.
2160	* @param pVCpu The VM CPU to operate on.
2161	* @param pCtx CPU context
2162	*/
2163	VMMR3DECL(int) HWACCMR3PatchTprInstr(PVM pVM, PVMCPU pVCpu, PCPUMCTX pCtx)
2164	{
2165	int rc = VMMR3EmtRendezvous(pVM, VMMEMTRENDEZVOUS_FLAGS_TYPE_ONE_BY_ONE, (pVM->hwaccm.s.pGuestPatchMem) ? hwaccmR3PatchTprInstr : hwaccmR3ReplaceTprInstr, (void *)pVCpu->idCpu);
2166	AssertRC(rc);
2167	return rc;
2168	}
2169
2170	/**
2171	* Force execution of the current IO code in the recompiler
2172	*
2173	* @returns VBox status code.
2174	* @param pVM The VM to operate on.
2175	* @param pCtx Partial VM execution context
2176	*/
2177	VMMR3DECL(int) HWACCMR3EmulateIoBlock(PVM pVM, PCPUMCTX pCtx)
2178	{
2179	PVMCPU pVCpu = VMMGetCpu(pVM);
2180
2181	Assert(pVM->fHWACCMEnabled);
2182	Log(("HWACCMR3EmulateIoBlock\n"));
2183
2184	/* This is primarily intended to speed up Grub, so we don't care about paged protected mode. */
2185	if (HWACCMCanEmulateIoBlockEx(pCtx))
2186	{
2187	Log(("HWACCMR3EmulateIoBlock -> enabled\n"));
2188	pVCpu->hwaccm.s.EmulateIoBlock.fEnabled = true;
2189	pVCpu->hwaccm.s.EmulateIoBlock.GCPtrFunctionEip = pCtx->rip;
2190	pVCpu->hwaccm.s.EmulateIoBlock.cr0 = pCtx->cr0;
2191	return VINF_EM_RESCHEDULE_REM;
2192	}
2193	return VINF_SUCCESS;
2194	}
2195
2196	/**
2197	* Checks if we can currently use hardware accelerated raw mode.
2198	*
2199	* @returns boolean
2200	* @param pVM The VM to operate on.
2201	* @param pCtx Partial VM execution context
2202	*/
2203	VMMR3DECL(bool) HWACCMR3CanExecuteGuest(PVM pVM, PCPUMCTX pCtx)
2204	{
2205	PVMCPU pVCpu = VMMGetCpu(pVM);
2206
2207	Assert(pVM->fHWACCMEnabled);
2208
2209	/* If we're still executing the IO code, then return false. */
2210	if ( RT_UNLIKELY(pVCpu->hwaccm.s.EmulateIoBlock.fEnabled)
2211	&& pCtx->rip < pVCpu->hwaccm.s.EmulateIoBlock.GCPtrFunctionEip + 0x200
2212	&& pCtx->rip > pVCpu->hwaccm.s.EmulateIoBlock.GCPtrFunctionEip - 0x200
2213	&& pCtx->cr0 == pVCpu->hwaccm.s.EmulateIoBlock.cr0)
2214	return false;
2215
2216	pVCpu->hwaccm.s.EmulateIoBlock.fEnabled = false;
2217
2218	/* AMD-V supports real & protected mode with or without paging. */
2219	if (pVM->hwaccm.s.svm.fEnabled)
2220	{
2221	pVCpu->hwaccm.s.fActive = true;
2222	return true;
2223	}
2224
2225	pVCpu->hwaccm.s.fActive = false;
2226
2227	/* Note! The context supplied by REM is partial. If we add more checks here, be sure to verify that REM provides this info! */
2228	Assert((pVM->hwaccm.s.vmx.fUnrestrictedGuest && !pVM->hwaccm.s.vmx.pRealModeTSS) \|\| (!pVM->hwaccm.s.vmx.fUnrestrictedGuest && pVM->hwaccm.s.vmx.pRealModeTSS));
2229
2230	bool fSupportsRealMode = pVM->hwaccm.s.vmx.fUnrestrictedGuest \|\| PDMVMMDevHeapIsEnabled(pVM);
2231	if (!pVM->hwaccm.s.vmx.fUnrestrictedGuest)
2232	{
2233	/** The VMM device heap is a requirement for emulating real mode or protected mode without paging when the unrestricted guest execution feature is missing. */
2234	if (fSupportsRealMode)
2235	{
2236	if (CPUMIsGuestInRealModeEx(pCtx))
2237	{
2238	/* VT-x will not allow high selector bases in v86 mode; fall back to the recompiler in that case.
2239	* The base must also be equal to (sel << 4).
2240	*/
2241	if ( ( pCtx->cs != (pCtx->csHid.u64Base >> 4)
2242	&& pCtx->csHid.u64Base != 0xffff0000 /* we can deal with the BIOS code as it's also mapped into the lower region. */)
2243	\|\| pCtx->ds != (pCtx->dsHid.u64Base >> 4)
2244	\|\| pCtx->es != (pCtx->esHid.u64Base >> 4)
2245	\|\| pCtx->fs != (pCtx->fsHid.u64Base >> 4)
2246	\|\| pCtx->gs != (pCtx->gsHid.u64Base >> 4)
2247	\|\| pCtx->ss != (pCtx->ssHid.u64Base >> 4))
2248	{
2249	return false;
2250	}
2251	}
2252	else
2253	{
2254	PGMMODE enmGuestMode = PGMGetGuestMode(pVCpu);
2255	/* Verify the requirements for executing code in protected mode. VT-x can't handle the CPU state right after a switch
2256	* from real to protected mode. (all sorts of RPL & DPL assumptions)
2257	*/
2258	if ( pVCpu->hwaccm.s.vmx.enmLastSeenGuestMode == PGMMODE_REAL
2259	&& enmGuestMode >= PGMMODE_PROTECTED)
2260	{
2261	if ( (pCtx->cs & X86_SEL_RPL)
2262	\|\| (pCtx->ds & X86_SEL_RPL)
2263	\|\| (pCtx->es & X86_SEL_RPL)
2264	\|\| (pCtx->fs & X86_SEL_RPL)
2265	\|\| (pCtx->gs & X86_SEL_RPL)
2266	\|\| (pCtx->ss & X86_SEL_RPL))
2267	{
2268	return false;
2269	}
2270	}
2271	/* VT-x also chokes on invalid tr or ldtr selectors (minix) */
2272	if ( pCtx->gdtr.cbGdt
2273	&& ( pCtx->tr > pCtx->gdtr.cbGdt
2274	\|\| pCtx->ldtr > pCtx->gdtr.cbGdt))
2275	{
2276	return false;
2277	}
2278	}
2279	}
2280	else
2281	{
2282	if ( !CPUMIsGuestInLongModeEx(pCtx)
2283	&& !pVM->hwaccm.s.vmx.fUnrestrictedGuest)
2284	{
2285	/** @todo This should (probably) be set on every excursion to the REM,
2286	* however it's too risky right now. So, only apply it when we go
2287	* back to REM for real mode execution. (The XP hack below doesn't
2288	* work reliably without this.)
2289	* Update: Implemented in EM.cpp, see #ifdef EM_NOTIFY_HWACCM. */
2290	pVM->aCpus[0].hwaccm.s.fContextUseFlags \|= HWACCM_CHANGED_ALL_GUEST;
2291
2292	if ( !pVM->hwaccm.s.fNestedPaging /* requires a fake PD for real and protected mode without paging - stored in the VMM device heap*/
2293	\|\| CPUMIsGuestInRealModeEx(pCtx)) /* requires a fake TSS for real mode - stored in the VMM device heap */
2294	return false;
2295
2296	/* Too early for VT-x; Solaris guests will fail with a guru meditation otherwise; same for XP. */
2297	if (pCtx->idtr.pIdt == 0 \|\| pCtx->idtr.cbIdt == 0 \|\| pCtx->tr == 0)
2298	return false;
2299
2300	/* The guest is about to complete the switch to protected mode. Wait a bit longer. */
2301	/* Windows XP; switch to protected mode; all selectors are marked not present in the
2302	* hidden registers (possible recompiler bug; see load_seg_vm) */
2303	if (pCtx->csHid.Attr.n.u1Present == 0)
2304	return false;
2305	if (pCtx->ssHid.Attr.n.u1Present == 0)
2306	return false;
2307
2308	/* Windows XP: possible same as above, but new recompiler requires new heuristics?
2309	VT-x doesn't seem to like something about the guest state and this stuff avoids it. */
2310	/** @todo This check is actually wrong, it doesn't take the direction of the
2311	* stack segment into account. But, it does the job for now. */
2312	if (pCtx->rsp >= pCtx->ssHid.u32Limit)
2313	return false;
2314	#if 0
2315	if ( pCtx->cs >= pCtx->gdtr.cbGdt
2316	\|\| pCtx->ss >= pCtx->gdtr.cbGdt
2317	\|\| pCtx->ds >= pCtx->gdtr.cbGdt
2318	\|\| pCtx->es >= pCtx->gdtr.cbGdt
2319	\|\| pCtx->fs >= pCtx->gdtr.cbGdt
2320	\|\| pCtx->gs >= pCtx->gdtr.cbGdt)
2321	return false;
2322	#endif
2323	}
2324	}
2325	}
2326
2327	if (pVM->hwaccm.s.vmx.fEnabled)
2328	{
2329	uint32_t mask;
2330
2331	/* if bit N is set in cr0_fixed0, then it must be set in the guest's cr0. */
2332	mask = (uint32_t)pVM->hwaccm.s.vmx.msr.vmx_cr0_fixed0;
2333	/* Note: We ignore the NE bit here on purpose; see vmmr0\hwaccmr0.cpp for details. */
2334	mask &= ~X86_CR0_NE;
2335
2336	if (fSupportsRealMode)
2337	{
2338	/* Note: We ignore the PE & PG bits here on purpose; we emulate real and protected mode without paging. */
2339	mask &= ~(X86_CR0_PG\|X86_CR0_PE);
2340	}
2341	else
2342	{
2343	/* We support protected mode without paging using identity mapping. */
2344	mask &= ~X86_CR0_PG;
2345	}
2346	if ((pCtx->cr0 & mask) != mask)
2347	return false;
2348
2349	/* if bit N is cleared in cr0_fixed1, then it must be zero in the guest's cr0. */
2350	mask = (uint32_t)~pVM->hwaccm.s.vmx.msr.vmx_cr0_fixed1;
2351	if ((pCtx->cr0 & mask) != 0)
2352	return false;
2353
2354	/* if bit N is set in cr4_fixed0, then it must be set in the guest's cr4. */
2355	mask = (uint32_t)pVM->hwaccm.s.vmx.msr.vmx_cr4_fixed0;
2356	mask &= ~X86_CR4_VMXE;
2357	if ((pCtx->cr4 & mask) != mask)
2358	return false;
2359
2360	/* if bit N is cleared in cr4_fixed1, then it must be zero in the guest's cr4. */
2361	mask = (uint32_t)~pVM->hwaccm.s.vmx.msr.vmx_cr4_fixed1;
2362	if ((pCtx->cr4 & mask) != 0)
2363	return false;
2364
2365	pVCpu->hwaccm.s.fActive = true;
2366	return true;
2367	}
2368
2369	return false;
2370	}
2371
2372	/**
2373	* Checks if we need to reschedule due to VMM device heap changes
2374	*
2375	* @returns boolean
2376	* @param pVM The VM to operate on.
2377	* @param pCtx VM execution context
2378	*/
2379	VMMR3DECL(bool) HWACCMR3IsRescheduleRequired(PVM pVM, PCPUMCTX pCtx)
2380	{
2381	/** 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) */
2382	if ( pVM->hwaccm.s.vmx.fEnabled
2383	&& !CPUMIsGuestInPagedProtectedModeEx(pCtx)
2384	&& !PDMVMMDevHeapIsEnabled(pVM)
2385	&& (pVM->hwaccm.s.fNestedPaging \|\| CPUMIsGuestInRealModeEx(pCtx)))
2386	return true;
2387
2388	return false;
2389	}
2390
2391
2392	/**
2393	* Notification from EM about a rescheduling into hardware assisted execution
2394	* mode.
2395	*
2396	* @param pVCpu Pointer to the current virtual cpu structure.
2397	*/
2398	VMMR3DECL(void) HWACCMR3NotifyScheduled(PVMCPU pVCpu)
2399	{
2400	pVCpu->hwaccm.s.fContextUseFlags \|= HWACCM_CHANGED_ALL_GUEST;
2401	}
2402
2403	/**
2404	* Notification from EM about returning from instruction emulation (REM / EM).
2405	*
2406	* @param pVCpu Pointer to the current virtual cpu structure.
2407	*/
2408	VMMR3DECL(void) HWACCMR3NotifyEmulated(PVMCPU pVCpu)
2409	{
2410	pVCpu->hwaccm.s.fContextUseFlags \|= HWACCM_CHANGED_ALL_GUEST;
2411	}
2412
2413	/**
2414	* Checks if we are currently using hardware accelerated raw mode.
2415	*
2416	* @returns boolean
2417	* @param pVCpu The VMCPU to operate on.
2418	*/
2419	VMMR3DECL(bool) HWACCMR3IsActive(PVMCPU pVCpu)
2420	{
2421	return pVCpu->hwaccm.s.fActive;
2422	}
2423
2424	/**
2425	* Checks if we are currently using nested paging.
2426	*
2427	* @returns boolean
2428	* @param pVM The VM to operate on.
2429	*/
2430	VMMR3DECL(bool) HWACCMR3IsNestedPagingActive(PVM pVM)
2431	{
2432	return pVM->hwaccm.s.fNestedPaging;
2433	}
2434
2435	/**
2436	* Checks if we are currently using VPID in VT-x mode.
2437	*
2438	* @returns boolean
2439	* @param pVM The VM to operate on.
2440	*/
2441	VMMR3DECL(bool) HWACCMR3IsVPIDActive(PVM pVM)
2442	{
2443	return pVM->hwaccm.s.vmx.fVPID;
2444	}
2445
2446
2447	/**
2448	* Checks if internal events are pending. In that case we are not allowed to dispatch interrupts.
2449	*
2450	* @returns boolean
2451	* @param pVM The VM to operate on.
2452	*/
2453	VMMR3DECL(bool) HWACCMR3IsEventPending(PVMCPU pVCpu)
2454	{
2455	return HWACCMIsEnabled(pVCpu->pVMR3) && pVCpu->hwaccm.s.Event.fPending;
2456	}
2457
2458	/**
2459	* Checks if the VMX-preemption timer is being used.
2460	*
2461	* @returns true if it is, false if it isn't.
2462	* @param pVM The VM handle.
2463	*/
2464	VMMR3DECL(bool) HWACCMR3IsVmxPreemptionTimerUsed(PVM pVM)
2465	{
2466	return HWACCMIsEnabled(pVM)
2467	&& pVM->hwaccm.s.vmx.fEnabled
2468	&& pVM->hwaccm.s.vmx.fUsePreemptTimer;
2469	}
2470
2471	/**
2472	* Restart an I/O instruction that was refused in ring-0
2473	*
2474	* @returns Strict VBox status code. Informational status codes other than the one documented
2475	* here are to be treated as internal failure. Use IOM_SUCCESS() to check for success.
2476	* @retval VINF_SUCCESS Success.
2477	* @retval VINF_EM_FIRST-VINF_EM_LAST Success with some exceptions (see IOM_SUCCESS()), the
2478	* status code must be passed on to EM.
2479	* @retval VERR_NOT_FOUND if no pending I/O instruction.
2480	*
2481	* @param pVM The VM to operate on.
2482	* @param pVCpu The VMCPU to operate on.
2483	* @param pCtx VCPU register context
2484	*/
2485	VMMR3DECL(VBOXSTRICTRC) HWACCMR3RestartPendingIOInstr(PVM pVM, PVMCPU pVCpu, PCPUMCTX pCtx)
2486	{
2487	HWACCMPENDINGIO enmType = pVCpu->hwaccm.s.PendingIO.enmType;
2488
2489	pVCpu->hwaccm.s.PendingIO.enmType = HWACCMPENDINGIO_INVALID;
2490
2491	if ( pVCpu->hwaccm.s.PendingIO.GCPtrRip != pCtx->rip
2492	\|\| enmType == HWACCMPENDINGIO_INVALID)
2493	return VERR_NOT_FOUND;
2494
2495	VBOXSTRICTRC rcStrict;
2496	switch (enmType)
2497	{
2498	case HWACCMPENDINGIO_PORT_READ:
2499	{
2500	uint32_t uAndVal = pVCpu->hwaccm.s.PendingIO.s.Port.uAndVal;
2501	uint32_t u32Val = 0;
2502
2503	rcStrict = IOMIOPortRead(pVM, pVCpu->hwaccm.s.PendingIO.s.Port.uPort,
2504	&u32Val,
2505	pVCpu->hwaccm.s.PendingIO.s.Port.cbSize);
2506	if (IOM_SUCCESS(rcStrict))
2507	{
2508	/* Write back to the EAX register. */
2509	pCtx->eax = (pCtx->eax & ~uAndVal) \| (u32Val & uAndVal);
2510	pCtx->rip = pVCpu->hwaccm.s.PendingIO.GCPtrRipNext;
2511	}
2512	break;
2513	}
2514
2515	case HWACCMPENDINGIO_PORT_WRITE:
2516	rcStrict = IOMIOPortWrite(pVM, pVCpu->hwaccm.s.PendingIO.s.Port.uPort,
2517	pCtx->eax & pVCpu->hwaccm.s.PendingIO.s.Port.uAndVal,
2518	pVCpu->hwaccm.s.PendingIO.s.Port.cbSize);
2519	if (IOM_SUCCESS(rcStrict))
2520	pCtx->rip = pVCpu->hwaccm.s.PendingIO.GCPtrRipNext;
2521	break;
2522
2523	default:
2524	AssertFailed();
2525	return VERR_INTERNAL_ERROR;
2526	}
2527
2528	return rcStrict;
2529	}
2530
2531	/**
2532	* Inject an NMI into a running VM (only VCPU 0!)
2533	*
2534	* @returns boolean
2535	* @param pVM The VM to operate on.
2536	*/
2537	VMMR3DECL(int) HWACCMR3InjectNMI(PVM pVM)
2538	{
2539	VMCPU_FF_SET(&pVM->aCpus[0], VMCPU_FF_INTERRUPT_NMI);
2540	return VINF_SUCCESS;
2541	}
2542
2543	/**
2544	* Check fatal VT-x/AMD-V error and produce some meaningful
2545	* log release message.
2546	*
2547	* @param pVM The VM to operate on.
2548	* @param iStatusCode VBox status code
2549	*/
2550	VMMR3DECL(void) HWACCMR3CheckError(PVM pVM, int iStatusCode)
2551	{
2552	for (VMCPUID i = 0; i < pVM->cCpus; i++)
2553	{
2554	switch(iStatusCode)
2555	{
2556	case VERR_VMX_INVALID_VMCS_FIELD:
2557	break;
2558
2559	case VERR_VMX_INVALID_VMCS_PTR:
2560	LogRel(("VERR_VMX_INVALID_VMCS_PTR: CPU%d Current pointer %RGp vs %RGp\n", i, pVM->aCpus[i].hwaccm.s.vmx.lasterror.u64VMCSPhys, pVM->aCpus[i].hwaccm.s.vmx.pVMCSPhys));
2561	LogRel(("VERR_VMX_INVALID_VMCS_PTR: CPU%d Current VMCS version %x\n", i, pVM->aCpus[i].hwaccm.s.vmx.lasterror.ulVMCSRevision));
2562	LogRel(("VERR_VMX_INVALID_VMCS_PTR: CPU%d Entered Cpu %d\n", i, pVM->aCpus[i].hwaccm.s.vmx.lasterror.idEnteredCpu));
2563	LogRel(("VERR_VMX_INVALID_VMCS_PTR: CPU%d Current Cpu %d\n", i, pVM->aCpus[i].hwaccm.s.vmx.lasterror.idCurrentCpu));
2564	break;
2565
2566	case VERR_VMX_UNABLE_TO_START_VM:
2567	LogRel(("VERR_VMX_UNABLE_TO_START_VM: CPU%d instruction error %x\n", i, pVM->aCpus[i].hwaccm.s.vmx.lasterror.ulInstrError));
2568	LogRel(("VERR_VMX_UNABLE_TO_START_VM: CPU%d exit reason %x\n", i, pVM->aCpus[i].hwaccm.s.vmx.lasterror.ulExitReason));
2569	#if 0 /* @todo dump the current control fields to the release log */
2570	if (pVM->aCpus[i].hwaccm.s.vmx.lasterror.ulInstrError == VMX_ERROR_VMENTRY_INVALID_CONTROL_FIELDS)
2571	{
2572
2573	}
2574	#endif
2575	break;
2576
2577	case VERR_VMX_UNABLE_TO_RESUME_VM:
2578	LogRel(("VERR_VMX_UNABLE_TO_RESUME_VM: CPU%d instruction error %x\n", i, pVM->aCpus[i].hwaccm.s.vmx.lasterror.ulInstrError));
2579	LogRel(("VERR_VMX_UNABLE_TO_RESUME_VM: CPU%d exit reason %x\n", i, pVM->aCpus[i].hwaccm.s.vmx.lasterror.ulExitReason));
2580	break;
2581
2582	case VERR_VMX_INVALID_VMXON_PTR:
2583	break;
2584	}
2585	}
2586	}
2587
2588	/**
2589	* Execute state save operation.
2590	*
2591	* @returns VBox status code.
2592	* @param pVM VM Handle.
2593	* @param pSSM SSM operation handle.
2594	*/
2595	static DECLCALLBACK(int) hwaccmR3Save(PVM pVM, PSSMHANDLE pSSM)
2596	{
2597	int rc;
2598
2599	Log(("hwaccmR3Save:\n"));
2600
2601	for (VMCPUID i = 0; i < pVM->cCpus; i++)
2602	{
2603	/*
2604	* Save the basic bits - fortunately all the other things can be resynced on load.
2605	*/
2606	rc = SSMR3PutU32(pSSM, pVM->aCpus[i].hwaccm.s.Event.fPending);
2607	AssertRCReturn(rc, rc);
2608	rc = SSMR3PutU32(pSSM, pVM->aCpus[i].hwaccm.s.Event.errCode);
2609	AssertRCReturn(rc, rc);
2610	rc = SSMR3PutU64(pSSM, pVM->aCpus[i].hwaccm.s.Event.intInfo);
2611	AssertRCReturn(rc, rc);
2612
2613	rc = SSMR3PutU32(pSSM, pVM->aCpus[i].hwaccm.s.vmx.enmLastSeenGuestMode);
2614	AssertRCReturn(rc, rc);
2615	rc = SSMR3PutU32(pSSM, pVM->aCpus[i].hwaccm.s.vmx.enmCurrGuestMode);
2616	AssertRCReturn(rc, rc);
2617	rc = SSMR3PutU32(pSSM, pVM->aCpus[i].hwaccm.s.vmx.enmPrevGuestMode);
2618	AssertRCReturn(rc, rc);
2619	}
2620	#ifdef VBOX_HWACCM_WITH_GUEST_PATCHING
2621	rc = SSMR3PutGCPtr(pSSM, pVM->hwaccm.s.pGuestPatchMem);
2622	AssertRCReturn(rc, rc);
2623	rc = SSMR3PutGCPtr(pSSM, pVM->hwaccm.s.pFreeGuestPatchMem);
2624	AssertRCReturn(rc, rc);
2625	rc = SSMR3PutU32(pSSM, pVM->hwaccm.s.cbGuestPatchMem);
2626	AssertRCReturn(rc, rc);
2627
2628	/* Store all the guest patch records too. */
2629	rc = SSMR3PutU32(pSSM, pVM->hwaccm.s.cPatches);
2630	AssertRCReturn(rc, rc);
2631
2632	for (unsigned i = 0; i < pVM->hwaccm.s.cPatches; i++)
2633	{
2634	PHWACCMTPRPATCH pPatch = &pVM->hwaccm.s.aPatches[i];
2635
2636	rc = SSMR3PutU32(pSSM, pPatch->Core.Key);
2637	AssertRCReturn(rc, rc);
2638
2639	rc = SSMR3PutMem(pSSM, pPatch->aOpcode, sizeof(pPatch->aOpcode));
2640	AssertRCReturn(rc, rc);
2641
2642	rc = SSMR3PutU32(pSSM, pPatch->cbOp);
2643	AssertRCReturn(rc, rc);
2644
2645	rc = SSMR3PutMem(pSSM, pPatch->aNewOpcode, sizeof(pPatch->aNewOpcode));
2646	AssertRCReturn(rc, rc);
2647
2648	rc = SSMR3PutU32(pSSM, pPatch->cbNewOp);
2649	AssertRCReturn(rc, rc);
2650
2651	AssertCompileSize(HWACCMTPRINSTR, 4);
2652	rc = SSMR3PutU32(pSSM, (uint32_t)pPatch->enmType);
2653	AssertRCReturn(rc, rc);
2654
2655	rc = SSMR3PutU32(pSSM, pPatch->uSrcOperand);
2656	AssertRCReturn(rc, rc);
2657
2658	rc = SSMR3PutU32(pSSM, pPatch->uDstOperand);
2659	AssertRCReturn(rc, rc);
2660
2661	rc = SSMR3PutU32(pSSM, pPatch->pJumpTarget);
2662	AssertRCReturn(rc, rc);
2663
2664	rc = SSMR3PutU32(pSSM, pPatch->cFaults);
2665	AssertRCReturn(rc, rc);
2666	}
2667	#endif
2668	return VINF_SUCCESS;
2669	}
2670
2671	/**
2672	* Execute state load operation.
2673	*
2674	* @returns VBox status code.
2675	* @param pVM VM Handle.
2676	* @param pSSM SSM operation handle.
2677	* @param uVersion Data layout version.
2678	* @param uPass The data pass.
2679	*/
2680	static DECLCALLBACK(int) hwaccmR3Load(PVM pVM, PSSMHANDLE pSSM, uint32_t uVersion, uint32_t uPass)
2681	{
2682	int rc;
2683
2684	Log(("hwaccmR3Load:\n"));
2685	Assert(uPass == SSM_PASS_FINAL); NOREF(uPass);
2686
2687	/*
2688	* Validate version.
2689	*/
2690	if ( uVersion != HWACCM_SSM_VERSION
2691	&& uVersion != HWACCM_SSM_VERSION_NO_PATCHING
2692	&& uVersion != HWACCM_SSM_VERSION_2_0_X)
2693	{
2694	AssertMsgFailed(("hwaccmR3Load: Invalid version uVersion=%d!\n", uVersion));
2695	return VERR_SSM_UNSUPPORTED_DATA_UNIT_VERSION;
2696	}
2697	for (VMCPUID i = 0; i < pVM->cCpus; i++)
2698	{
2699	rc = SSMR3GetU32(pSSM, &pVM->aCpus[i].hwaccm.s.Event.fPending);
2700	AssertRCReturn(rc, rc);
2701	rc = SSMR3GetU32(pSSM, &pVM->aCpus[i].hwaccm.s.Event.errCode);
2702	AssertRCReturn(rc, rc);
2703	rc = SSMR3GetU64(pSSM, &pVM->aCpus[i].hwaccm.s.Event.intInfo);
2704	AssertRCReturn(rc, rc);
2705
2706	if (uVersion >= HWACCM_SSM_VERSION_NO_PATCHING)
2707	{
2708	uint32_t val;
2709
2710	rc = SSMR3GetU32(pSSM, &val);
2711	AssertRCReturn(rc, rc);
2712	pVM->aCpus[i].hwaccm.s.vmx.enmLastSeenGuestMode = (PGMMODE)val;
2713
2714	rc = SSMR3GetU32(pSSM, &val);
2715	AssertRCReturn(rc, rc);
2716	pVM->aCpus[i].hwaccm.s.vmx.enmCurrGuestMode = (PGMMODE)val;
2717
2718	rc = SSMR3GetU32(pSSM, &val);
2719	AssertRCReturn(rc, rc);
2720	pVM->aCpus[i].hwaccm.s.vmx.enmPrevGuestMode = (PGMMODE)val;
2721	}
2722	}
2723	#ifdef VBOX_HWACCM_WITH_GUEST_PATCHING
2724	if (uVersion > HWACCM_SSM_VERSION_NO_PATCHING)
2725	{
2726	rc = SSMR3GetGCPtr(pSSM, &pVM->hwaccm.s.pGuestPatchMem);
2727	AssertRCReturn(rc, rc);
2728	rc = SSMR3GetGCPtr(pSSM, &pVM->hwaccm.s.pFreeGuestPatchMem);
2729	AssertRCReturn(rc, rc);
2730	rc = SSMR3GetU32(pSSM, &pVM->hwaccm.s.cbGuestPatchMem);
2731	AssertRCReturn(rc, rc);
2732
2733	/* Fetch all TPR patch records. */
2734	rc = SSMR3GetU32(pSSM, &pVM->hwaccm.s.cPatches);
2735	AssertRCReturn(rc, rc);
2736
2737	for (unsigned i = 0; i < pVM->hwaccm.s.cPatches; i++)
2738	{
2739	PHWACCMTPRPATCH pPatch = &pVM->hwaccm.s.aPatches[i];
2740
2741	rc = SSMR3GetU32(pSSM, &pPatch->Core.Key);
2742	AssertRCReturn(rc, rc);
2743
2744	rc = SSMR3GetMem(pSSM, pPatch->aOpcode, sizeof(pPatch->aOpcode));
2745	AssertRCReturn(rc, rc);
2746
2747	rc = SSMR3GetU32(pSSM, &pPatch->cbOp);
2748	AssertRCReturn(rc, rc);
2749
2750	rc = SSMR3GetMem(pSSM, pPatch->aNewOpcode, sizeof(pPatch->aNewOpcode));
2751	AssertRCReturn(rc, rc);
2752
2753	rc = SSMR3GetU32(pSSM, &pPatch->cbNewOp);
2754	AssertRCReturn(rc, rc);
2755
2756	rc = SSMR3GetU32(pSSM, (uint32_t *)&pPatch->enmType);
2757	AssertRCReturn(rc, rc);
2758
2759	if (pPatch->enmType == HWACCMTPRINSTR_JUMP_REPLACEMENT)
2760	pVM->hwaccm.s.fTPRPatchingActive = true;
2761
2762	Assert(pPatch->enmType == HWACCMTPRINSTR_JUMP_REPLACEMENT \|\| pVM->hwaccm.s.fTPRPatchingActive == false);
2763
2764	rc = SSMR3GetU32(pSSM, &pPatch->uSrcOperand);
2765	AssertRCReturn(rc, rc);
2766
2767	rc = SSMR3GetU32(pSSM, &pPatch->uDstOperand);
2768	AssertRCReturn(rc, rc);
2769
2770	rc = SSMR3GetU32(pSSM, &pPatch->cFaults);
2771	AssertRCReturn(rc, rc);
2772
2773	rc = SSMR3GetU32(pSSM, &pPatch->pJumpTarget);
2774	AssertRCReturn(rc, rc);
2775
2776	Log(("hwaccmR3Load: patch %d\n", i));
2777	Log(("Key = %x\n", pPatch->Core.Key));
2778	Log(("cbOp = %d\n", pPatch->cbOp));
2779	Log(("cbNewOp = %d\n", pPatch->cbNewOp));
2780	Log(("type = %d\n", pPatch->enmType));
2781	Log(("srcop = %d\n", pPatch->uSrcOperand));
2782	Log(("dstop = %d\n", pPatch->uDstOperand));
2783	Log(("cFaults = %d\n", pPatch->cFaults));
2784	Log(("target = %x\n", pPatch->pJumpTarget));
2785	rc = RTAvloU32Insert(&pVM->hwaccm.s.PatchTree, &pPatch->Core);
2786	AssertRC(rc);
2787	}
2788	}
2789	#endif
2790
2791	/* Recheck all VCPUs if we can go straight into hwaccm execution mode. */
2792	if (HWACCMIsEnabled(pVM))
2793	{
2794	for (VMCPUID i = 0; i < pVM->cCpus; i++)
2795	{
2796	PVMCPU pVCpu = &pVM->aCpus[i];
2797
2798	HWACCMR3CanExecuteGuest(pVM, CPUMQueryGuestCtxPtr(pVCpu));
2799	}
2800	}
2801	return VINF_SUCCESS;
2802	}
2803

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source: vbox/trunk/src/VBox/VMM/HWACCM.cpp@ 34219

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