VirtualBox

source: vbox/trunk/src/VBox/VMM/HWACCM.cpp@ 25825

Last change on this file since 25825 was 25825, checked in by vboxsync, 15 years ago

r=bird: hot-plug review and code style cleanup. check out the @todos
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1/* $Id: HWACCM.cpp 25825 2010-01-14 10:39:12Z vboxsync $ */
2/** @file
3 * HWACCM - Intel/AMD VM Hardware Support Manager
4 */
5
6/*
7 * Copyright (C) 2006-2007 Sun Microsystems, Inc.
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 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa
18 * Clara, CA 95054 USA or visit http://www.sun.com if you need
19 * additional information or have any questions.
20 */
21
22/*******************************************************************************
23* Header Files *
24*******************************************************************************/
25#define LOG_GROUP LOG_GROUP_HWACCM
26#include <VBox/cpum.h>
27#include <VBox/stam.h>
28#include <VBox/mm.h>
29#include <VBox/pdm.h>
30#include <VBox/pgm.h>
31#include <VBox/trpm.h>
32#include <VBox/dbgf.h>
33#include <VBox/patm.h>
34#include <VBox/csam.h>
35#include <VBox/selm.h>
36#include <VBox/rem.h>
37#include <VBox/hwacc_vmx.h>
38#include <VBox/hwacc_svm.h>
39#include "HWACCMInternal.h"
40#include <VBox/vm.h>
41#include <VBox/err.h>
42#include <VBox/param.h>
43
44#include <iprt/assert.h>
45#include <VBox/log.h>
46#include <iprt/asm.h>
47#include <iprt/string.h>
48#include <iprt/thread.h>
49
50/*******************************************************************************
51* Global Variables *
52*******************************************************************************/
53#ifdef VBOX_WITH_STATISTICS
54# define EXIT_REASON(def, val, str) #def " - " #val " - " str
55# define EXIT_REASON_NIL() NULL
56/** Exit reason descriptions for VT-x, used to describe statistics. */
57static const char * const g_apszVTxExitReasons[MAX_EXITREASON_STAT] =
58{
59 EXIT_REASON(VMX_EXIT_EXCEPTION , 0, "Exception or non-maskable interrupt (NMI)."),
60 EXIT_REASON(VMX_EXIT_EXTERNAL_IRQ , 1, "External interrupt."),
61 EXIT_REASON(VMX_EXIT_TRIPLE_FAULT , 2, "Triple fault."),
62 EXIT_REASON(VMX_EXIT_INIT_SIGNAL , 3, "INIT signal."),
63 EXIT_REASON(VMX_EXIT_SIPI , 4, "Start-up IPI (SIPI)."),
64 EXIT_REASON(VMX_EXIT_IO_SMI_IRQ , 5, "I/O system-management interrupt (SMI)."),
65 EXIT_REASON(VMX_EXIT_SMI_IRQ , 6, "Other SMI."),
66 EXIT_REASON(VMX_EXIT_IRQ_WINDOW , 7, "Interrupt window."),
67 EXIT_REASON_NIL(),
68 EXIT_REASON(VMX_EXIT_TASK_SWITCH , 9, "Task switch."),
69 EXIT_REASON(VMX_EXIT_CPUID , 10, "Guest software attempted to execute CPUID."),
70 EXIT_REASON_NIL(),
71 EXIT_REASON(VMX_EXIT_HLT , 12, "Guest software attempted to execute HLT."),
72 EXIT_REASON(VMX_EXIT_INVD , 13, "Guest software attempted to execute INVD."),
73 EXIT_REASON(VMX_EXIT_INVPG , 14, "Guest software attempted to execute INVPG."),
74 EXIT_REASON(VMX_EXIT_RDPMC , 15, "Guest software attempted to execute RDPMC."),
75 EXIT_REASON(VMX_EXIT_RDTSC , 16, "Guest software attempted to execute RDTSC."),
76 EXIT_REASON(VMX_EXIT_RSM , 17, "Guest software attempted to execute RSM in SMM."),
77 EXIT_REASON(VMX_EXIT_VMCALL , 18, "Guest software executed VMCALL."),
78 EXIT_REASON(VMX_EXIT_VMCLEAR , 19, "Guest software executed VMCLEAR."),
79 EXIT_REASON(VMX_EXIT_VMLAUNCH , 20, "Guest software executed VMLAUNCH."),
80 EXIT_REASON(VMX_EXIT_VMPTRLD , 21, "Guest software executed VMPTRLD."),
81 EXIT_REASON(VMX_EXIT_VMPTRST , 22, "Guest software executed VMPTRST."),
82 EXIT_REASON(VMX_EXIT_VMREAD , 23, "Guest software executed VMREAD."),
83 EXIT_REASON(VMX_EXIT_VMRESUME , 24, "Guest software executed VMRESUME."),
84 EXIT_REASON(VMX_EXIT_VMWRITE , 25, "Guest software executed VMWRITE."),
85 EXIT_REASON(VMX_EXIT_VMXOFF , 26, "Guest software executed VMXOFF."),
86 EXIT_REASON(VMX_EXIT_VMXON , 27, "Guest software executed VMXON."),
87 EXIT_REASON(VMX_EXIT_CRX_MOVE , 28, "Control-register accesses."),
88 EXIT_REASON(VMX_EXIT_DRX_MOVE , 29, "Debug-register accesses."),
89 EXIT_REASON(VMX_EXIT_PORT_IO , 30, "I/O instruction."),
90 EXIT_REASON(VMX_EXIT_RDMSR , 31, "RDMSR. Guest software attempted to execute RDMSR."),
91 EXIT_REASON(VMX_EXIT_WRMSR , 32, "WRMSR. Guest software attempted to execute WRMSR."),
92 EXIT_REASON(VMX_EXIT_ERR_INVALID_GUEST_STATE, 33, "VM-entry failure due to invalid guest state."),
93 EXIT_REASON(VMX_EXIT_ERR_MSR_LOAD , 34, "VM-entry failure due to MSR loading."),
94 EXIT_REASON_NIL(),
95 EXIT_REASON(VMX_EXIT_MWAIT , 36, "Guest software executed MWAIT."),
96 EXIT_REASON_NIL(),
97 EXIT_REASON_NIL(),
98 EXIT_REASON(VMX_EXIT_MONITOR , 39, "Guest software attempted to execute MONITOR."),
99 EXIT_REASON(VMX_EXIT_PAUSE , 40, "Guest software attempted to execute PAUSE."),
100 EXIT_REASON(VMX_EXIT_ERR_MACHINE_CHECK , 41, "VM-entry failure due to machine-check."),
101 EXIT_REASON_NIL(),
102 EXIT_REASON(VMX_EXIT_TPR , 43, "TPR below threshold. Guest software executed MOV to CR8."),
103 EXIT_REASON(VMX_EXIT_APIC_ACCESS , 44, "APIC access. Guest software attempted to access memory at a physical address on the APIC-access page."),
104 EXIT_REASON_NIL(),
105 EXIT_REASON(VMX_EXIT_XDTR_ACCESS , 46, "Access to GDTR or IDTR. Guest software attempted to execute LGDT, LIDT, SGDT, or SIDT."),
106 EXIT_REASON(VMX_EXIT_TR_ACCESS , 47, "Access to LDTR or TR. Guest software attempted to execute LLDT, LTR, SLDT, or STR."),
107 EXIT_REASON(VMX_EXIT_EPT_VIOLATION , 48, "EPT violation. An attempt to access memory with a guest-physical address was disallowed by the configuration of the EPT paging structures."),
108 EXIT_REASON(VMX_EXIT_EPT_MISCONFIG , 49, "EPT misconfiguration. An attempt to access memory with a guest-physical address encountered a misconfigured EPT paging-structure entry."),
109 EXIT_REASON(VMX_EXIT_INVEPT , 50, "INVEPT. Guest software attempted to execute INVEPT."),
110 EXIT_REASON_NIL(),
111 EXIT_REASON(VMX_EXIT_PREEMPTION_TIMER , 52, "VMX-preemption timer expired. The preemption timer counted down to zero."),
112 EXIT_REASON(VMX_EXIT_INVVPID , 53, "INVVPID. Guest software attempted to execute INVVPID."),
113 EXIT_REASON(VMX_EXIT_WBINVD , 54, "WBINVD. Guest software attempted to execute WBINVD."),
114 EXIT_REASON(VMX_EXIT_XSETBV , 55, "XSETBV. Guest software attempted to execute XSETBV."),
115 EXIT_REASON_NIL()
116};
117/** Exit reason descriptions for AMD-V, used to describe statistics. */
118static const char * const g_apszAmdVExitReasons[MAX_EXITREASON_STAT] =
119{
120 EXIT_REASON(SVM_EXIT_READ_CR0 , 0, "Read CR0."),
121 EXIT_REASON(SVM_EXIT_READ_CR1 , 1, "Read CR1."),
122 EXIT_REASON(SVM_EXIT_READ_CR2 , 2, "Read CR2."),
123 EXIT_REASON(SVM_EXIT_READ_CR3 , 3, "Read CR3."),
124 EXIT_REASON(SVM_EXIT_READ_CR4 , 4, "Read CR4."),
125 EXIT_REASON(SVM_EXIT_READ_CR5 , 5, "Read CR5."),
126 EXIT_REASON(SVM_EXIT_READ_CR6 , 6, "Read CR6."),
127 EXIT_REASON(SVM_EXIT_READ_CR7 , 7, "Read CR7."),
128 EXIT_REASON(SVM_EXIT_READ_CR8 , 8, "Read CR8."),
129 EXIT_REASON(SVM_EXIT_READ_CR9 , 9, "Read CR9."),
130 EXIT_REASON(SVM_EXIT_READ_CR10 , 10, "Read CR10."),
131 EXIT_REASON(SVM_EXIT_READ_CR11 , 11, "Read CR11."),
132 EXIT_REASON(SVM_EXIT_READ_CR12 , 12, "Read CR12."),
133 EXIT_REASON(SVM_EXIT_READ_CR13 , 13, "Read CR13."),
134 EXIT_REASON(SVM_EXIT_READ_CR14 , 14, "Read CR14."),
135 EXIT_REASON(SVM_EXIT_READ_CR15 , 15, "Read CR15."),
136 EXIT_REASON(SVM_EXIT_WRITE_CR0 , 16, "Write CR0."),
137 EXIT_REASON(SVM_EXIT_WRITE_CR1 , 17, "Write CR1."),
138 EXIT_REASON(SVM_EXIT_WRITE_CR2 , 18, "Write CR2."),
139 EXIT_REASON(SVM_EXIT_WRITE_CR3 , 19, "Write CR3."),
140 EXIT_REASON(SVM_EXIT_WRITE_CR4 , 20, "Write CR4."),
141 EXIT_REASON(SVM_EXIT_WRITE_CR5 , 21, "Write CR5."),
142 EXIT_REASON(SVM_EXIT_WRITE_CR6 , 22, "Write CR6."),
143 EXIT_REASON(SVM_EXIT_WRITE_CR7 , 23, "Write CR7."),
144 EXIT_REASON(SVM_EXIT_WRITE_CR8 , 24, "Write CR8."),
145 EXIT_REASON(SVM_EXIT_WRITE_CR9 , 25, "Write CR9."),
146 EXIT_REASON(SVM_EXIT_WRITE_CR10 , 26, "Write CR10."),
147 EXIT_REASON(SVM_EXIT_WRITE_CR11 , 27, "Write CR11."),
148 EXIT_REASON(SVM_EXIT_WRITE_CR12 , 28, "Write CR12."),
149 EXIT_REASON(SVM_EXIT_WRITE_CR13 , 29, "Write CR13."),
150 EXIT_REASON(SVM_EXIT_WRITE_CR14 , 30, "Write CR14."),
151 EXIT_REASON(SVM_EXIT_WRITE_CR15 , 31, "Write CR15."),
152 EXIT_REASON(SVM_EXIT_READ_DR0 , 32, "Read DR0."),
153 EXIT_REASON(SVM_EXIT_READ_DR1 , 33, "Read DR1."),
154 EXIT_REASON(SVM_EXIT_READ_DR2 , 34, "Read DR2."),
155 EXIT_REASON(SVM_EXIT_READ_DR3 , 35, "Read DR3."),
156 EXIT_REASON(SVM_EXIT_READ_DR4 , 36, "Read DR4."),
157 EXIT_REASON(SVM_EXIT_READ_DR5 , 37, "Read DR5."),
158 EXIT_REASON(SVM_EXIT_READ_DR6 , 38, "Read DR6."),
159 EXIT_REASON(SVM_EXIT_READ_DR7 , 39, "Read DR7."),
160 EXIT_REASON(SVM_EXIT_READ_DR8 , 40, "Read DR8."),
161 EXIT_REASON(SVM_EXIT_READ_DR9 , 41, "Read DR9."),
162 EXIT_REASON(SVM_EXIT_READ_DR10 , 42, "Read DR10."),
163 EXIT_REASON(SVM_EXIT_READ_DR11 , 43, "Read DR11"),
164 EXIT_REASON(SVM_EXIT_READ_DR12 , 44, "Read DR12."),
165 EXIT_REASON(SVM_EXIT_READ_DR13 , 45, "Read DR13."),
166 EXIT_REASON(SVM_EXIT_READ_DR14 , 46, "Read DR14."),
167 EXIT_REASON(SVM_EXIT_READ_DR15 , 47, "Read DR15."),
168 EXIT_REASON(SVM_EXIT_WRITE_DR0 , 48, "Write DR0."),
169 EXIT_REASON(SVM_EXIT_WRITE_DR1 , 49, "Write DR1."),
170 EXIT_REASON(SVM_EXIT_WRITE_DR2 , 50, "Write DR2."),
171 EXIT_REASON(SVM_EXIT_WRITE_DR3 , 51, "Write DR3."),
172 EXIT_REASON(SVM_EXIT_WRITE_DR4 , 52, "Write DR4."),
173 EXIT_REASON(SVM_EXIT_WRITE_DR5 , 53, "Write DR5."),
174 EXIT_REASON(SVM_EXIT_WRITE_DR6 , 54, "Write DR6."),
175 EXIT_REASON(SVM_EXIT_WRITE_DR7 , 55, "Write DR7."),
176 EXIT_REASON(SVM_EXIT_WRITE_DR8 , 56, "Write DR8."),
177 EXIT_REASON(SVM_EXIT_WRITE_DR9 , 57, "Write DR9."),
178 EXIT_REASON(SVM_EXIT_WRITE_DR10 , 58, "Write DR10."),
179 EXIT_REASON(SVM_EXIT_WRITE_DR11 , 59, "Write DR11."),
180 EXIT_REASON(SVM_EXIT_WRITE_DR12 , 60, "Write DR12."),
181 EXIT_REASON(SVM_EXIT_WRITE_DR13 , 61, "Write DR13."),
182 EXIT_REASON(SVM_EXIT_WRITE_DR14 , 62, "Write DR14."),
183 EXIT_REASON(SVM_EXIT_WRITE_DR15 , 63, "Write DR15."),
184 EXIT_REASON(SVM_EXIT_EXCEPTION_0 , 64, "Exception Vector 0 (0x0)."),
185 EXIT_REASON(SVM_EXIT_EXCEPTION_1 , 65, "Exception Vector 1 (0x1)."),
186 EXIT_REASON(SVM_EXIT_EXCEPTION_2 , 66, "Exception Vector 2 (0x2)."),
187 EXIT_REASON(SVM_EXIT_EXCEPTION_3 , 67, "Exception Vector 3 (0x3)."),
188 EXIT_REASON(SVM_EXIT_EXCEPTION_4 , 68, "Exception Vector 4 (0x4)."),
189 EXIT_REASON(SVM_EXIT_EXCEPTION_5 , 69, "Exception Vector 5 (0x5)."),
190 EXIT_REASON(SVM_EXIT_EXCEPTION_6 , 70, "Exception Vector 6 (0x6)."),
191 EXIT_REASON(SVM_EXIT_EXCEPTION_7 , 71, "Exception Vector 7 (0x7)."),
192 EXIT_REASON(SVM_EXIT_EXCEPTION_8 , 72, "Exception Vector 8 (0x8)."),
193 EXIT_REASON(SVM_EXIT_EXCEPTION_9 , 73, "Exception Vector 9 (0x9)."),
194 EXIT_REASON(SVM_EXIT_EXCEPTION_A , 74, "Exception Vector 10 (0xA)."),
195 EXIT_REASON(SVM_EXIT_EXCEPTION_B , 75, "Exception Vector 11 (0xB)."),
196 EXIT_REASON(SVM_EXIT_EXCEPTION_C , 76, "Exception Vector 12 (0xC)."),
197 EXIT_REASON(SVM_EXIT_EXCEPTION_D , 77, "Exception Vector 13 (0xD)."),
198 EXIT_REASON(SVM_EXIT_EXCEPTION_E , 78, "Exception Vector 14 (0xE)."),
199 EXIT_REASON(SVM_EXIT_EXCEPTION_F , 79, "Exception Vector 15 (0xF)."),
200 EXIT_REASON(SVM_EXIT_EXCEPTION_10 , 80, "Exception Vector 16 (0x10)."),
201 EXIT_REASON(SVM_EXIT_EXCEPTION_11 , 81, "Exception Vector 17 (0x11)."),
202 EXIT_REASON(SVM_EXIT_EXCEPTION_12 , 82, "Exception Vector 18 (0x12)."),
203 EXIT_REASON(SVM_EXIT_EXCEPTION_13 , 83, "Exception Vector 19 (0x13)."),
204 EXIT_REASON(SVM_EXIT_EXCEPTION_14 , 84, "Exception Vector 20 (0x14)."),
205 EXIT_REASON(SVM_EXIT_EXCEPTION_15 , 85, "Exception Vector 22 (0x15)."),
206 EXIT_REASON(SVM_EXIT_EXCEPTION_16 , 86, "Exception Vector 22 (0x16)."),
207 EXIT_REASON(SVM_EXIT_EXCEPTION_17 , 87, "Exception Vector 23 (0x17)."),
208 EXIT_REASON(SVM_EXIT_EXCEPTION_18 , 88, "Exception Vector 24 (0x18)."),
209 EXIT_REASON(SVM_EXIT_EXCEPTION_19 , 89, "Exception Vector 25 (0x19)."),
210 EXIT_REASON(SVM_EXIT_EXCEPTION_1A , 90, "Exception Vector 26 (0x1A)."),
211 EXIT_REASON(SVM_EXIT_EXCEPTION_1B , 91, "Exception Vector 27 (0x1B)."),
212 EXIT_REASON(SVM_EXIT_EXCEPTION_1C , 92, "Exception Vector 28 (0x1C)."),
213 EXIT_REASON(SVM_EXIT_EXCEPTION_1D , 93, "Exception Vector 29 (0x1D)."),
214 EXIT_REASON(SVM_EXIT_EXCEPTION_1E , 94, "Exception Vector 30 (0x1E)."),
215 EXIT_REASON(SVM_EXIT_EXCEPTION_1F , 95, "Exception Vector 31 (0x1F)."),
216 EXIT_REASON(SVM_EXIT_EXCEPTION_INTR , 96, "Physical maskable interrupt."),
217 EXIT_REASON(SVM_EXIT_EXCEPTION_NMI , 97, "Physical non-maskable interrupt."),
218 EXIT_REASON(SVM_EXIT_EXCEPTION_SMI , 98, "System management interrupt."),
219 EXIT_REASON(SVM_EXIT_EXCEPTION_INIT , 99, "Physical INIT signal."),
220 EXIT_REASON(SVM_EXIT_EXCEPTION_VINTR ,100, "Visual interrupt."),
221 EXIT_REASON(SVM_EXIT_EXCEPTION_CR0_SEL_WRITE ,101, "Write to CR0 that changed any bits other than CR0.TS or CR0.MP."),
222 EXIT_REASON(SVM_EXIT_EXCEPTION_IDTR_READ ,102, "Read IDTR"),
223 EXIT_REASON(SVM_EXIT_EXCEPTION_GDTR_READ ,103, "Read GDTR"),
224 EXIT_REASON(SVM_EXIT_EXCEPTION_LDTR_READ ,104, "Read LDTR."),
225 EXIT_REASON(SVM_EXIT_EXCEPTION_TR_READ ,105, "Read TR."),
226 EXIT_REASON(SVM_EXIT_EXCEPTION_TR_READ ,106, "Write IDTR."),
227 EXIT_REASON(SVM_EXIT_EXCEPTION_TR_READ ,107, "Write GDTR."),
228 EXIT_REASON(SVM_EXIT_EXCEPTION_TR_READ ,108, "Write LDTR."),
229 EXIT_REASON(SVM_EXIT_EXCEPTION_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_TASK_SHUTDOWN ,127, "Shutdown."),
248 EXIT_REASON(SVM_EXIT_TASK_VMRUN ,128, "VMRUN instruction."),
249 EXIT_REASON(SVM_EXIT_TASK_VMCALL ,129, "VMCALL instruction."),
250 EXIT_REASON(SVM_EXIT_TASK_VMLOAD ,130, "VMLOAD instruction."),
251 EXIT_REASON(SVM_EXIT_TASK_VMSAVE ,131, "VMSAVE instruction."),
252 EXIT_REASON(SVM_EXIT_TASK_STGI ,132, "STGI instruction."),
253 EXIT_REASON(SVM_EXIT_TASK_CLGI ,133, "CLGI instruction."),
254 EXIT_REASON(SVM_EXIT_TASK_SKINIT ,134, "SKINIT instruction."),
255 EXIT_REASON(SVM_EXIT_TASK_RDTSCP ,135, "RDTSCP instruction."),
256 EXIT_REASON(SVM_EXIT_TASK_ICEBP ,136, "ICEBP instruction."),
257 EXIT_REASON(SVM_EXIT_TASK_WBINVD ,137, "WBINVD instruction."),
258 EXIT_REASON(SVM_EXIT_TASK_MONITOR ,138, "MONITOR instruction."),
259 EXIT_REASON(SVM_EXIT_MWAIT_UNCOND ,139, "MWAIT instruction unconditional."),
260 EXIT_REASON(SVM_EXIT_MWAIT_ARMED ,140, "MWAIT instruction when armed."),
261 EXIT_REASON(SVM_EXIT_NPF ,1024, "Nested paging: host-level page fault occurred (EXITINFO1 contains fault errorcode; EXITINFO2 contains the guest physical address causing the fault)."),
262 EXIT_REASON_NIL()
263};
264# undef EXIT_REASON
265# undef EXIT_REASON_NIL
266#endif /* VBOX_WITH_STATISTICS */
267
268/*******************************************************************************
269* Internal Functions *
270*******************************************************************************/
271static DECLCALLBACK(int) hwaccmR3Save(PVM pVM, PSSMHANDLE pSSM);
272static DECLCALLBACK(int) hwaccmR3Load(PVM pVM, PSSMHANDLE pSSM, uint32_t uVersion, uint32_t uPass);
273
274
275/**
276 * Initializes the HWACCM.
277 *
278 * @returns VBox status code.
279 * @param pVM The VM to operate on.
280 */
281VMMR3DECL(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, u8Reserved3) == 0xC0, ("u8Reserved3 offset = %x\n", RT_OFFSETOF(SVM_VMCB, u8Reserved3)));
293 AssertReleaseMsg(RT_OFFSETOF(SVM_VMCB, ctrl.EventInject) == 0xA8, ("ctrl.EventInject offset = %x\n", RT_OFFSETOF(SVM_VMCB, ctrl.EventInject)));
294 AssertReleaseMsg(RT_OFFSETOF(SVM_VMCB, ctrl.ExitIntInfo) == 0x88, ("ctrl.ExitIntInfo offset = %x\n", RT_OFFSETOF(SVM_VMCB, ctrl.ExitIntInfo)));
295 AssertReleaseMsg(RT_OFFSETOF(SVM_VMCB, ctrl.TLBCtrl) == 0x58, ("ctrl.TLBCtrl offset = %x\n", RT_OFFSETOF(SVM_VMCB, ctrl.TLBCtrl)));
296
297 AssertReleaseMsg(RT_OFFSETOF(SVM_VMCB, guest) == 0x400, ("guest offset = %x\n", RT_OFFSETOF(SVM_VMCB, guest)));
298 AssertReleaseMsg(RT_OFFSETOF(SVM_VMCB, guest.u8Reserved4) == 0x4A0, ("guest.u8Reserved4 offset = %x\n", RT_OFFSETOF(SVM_VMCB, guest.u8Reserved4)));
299 AssertReleaseMsg(RT_OFFSETOF(SVM_VMCB, guest.u8Reserved6) == 0x4D8, ("guest.u8Reserved6 offset = %x\n", RT_OFFSETOF(SVM_VMCB, guest.u8Reserved6)));
300 AssertReleaseMsg(RT_OFFSETOF(SVM_VMCB, guest.u8Reserved7) == 0x580, ("guest.u8Reserved7 offset = %x\n", RT_OFFSETOF(SVM_VMCB, guest.u8Reserved7)));
301 AssertReleaseMsg(RT_OFFSETOF(SVM_VMCB, guest.u8Reserved9) == 0x648, ("guest.u8Reserved9 offset = %x\n", RT_OFFSETOF(SVM_VMCB, guest.u8Reserved9)));
302 AssertReleaseMsg(RT_OFFSETOF(SVM_VMCB, u8Reserved10) == 0x698, ("u8Reserved3 offset = %x\n", RT_OFFSETOF(SVM_VMCB, u8Reserved10)));
303 AssertReleaseMsg(sizeof(SVM_VMCB) == 0x1000, ("SVM_VMCB size = %x\n", sizeof(SVM_VMCB)));
304
305
306 /*
307 * Register the saved state data unit.
308 */
309 int rc = SSMR3RegisterInternal(pVM, "HWACCM", 0, HWACCM_SSM_VERSION, sizeof(HWACCM),
310 NULL, NULL, NULL,
311 NULL, hwaccmR3Save, NULL,
312 NULL, hwaccmR3Load, NULL);
313 if (RT_FAILURE(rc))
314 return rc;
315
316 /* Misc initialisation. */
317 pVM->hwaccm.s.vmx.fSupported = false;
318 pVM->hwaccm.s.svm.fSupported = false;
319 pVM->hwaccm.s.vmx.fEnabled = false;
320 pVM->hwaccm.s.svm.fEnabled = false;
321
322 pVM->hwaccm.s.fNestedPaging = false;
323
324 /* Disabled by default. */
325 pVM->fHWACCMEnabled = false;
326
327 /*
328 * Check CFGM options.
329 */
330 PCFGMNODE pRoot = CFGMR3GetRoot(pVM);
331 PCFGMNODE pHWVirtExt = CFGMR3GetChild(pRoot, "HWVirtExt/");
332 /* Nested paging: disabled by default. */
333 rc = CFGMR3QueryBoolDef(pHWVirtExt, "EnableNestedPaging", &pVM->hwaccm.s.fAllowNestedPaging, false);
334 AssertRC(rc);
335
336 /* VT-x VPID: disabled by default. */
337 rc = CFGMR3QueryBoolDef(pHWVirtExt, "EnableVPID", &pVM->hwaccm.s.vmx.fAllowVPID, false);
338 AssertRC(rc);
339
340 /* HWACCM support must be explicitely enabled in the configuration file. */
341 rc = CFGMR3QueryBoolDef(pHWVirtExt, "Enabled", &pVM->hwaccm.s.fAllowed, false);
342 AssertRC(rc);
343
344 /* TPR patching for 32 bits (Windows) guests with IO-APIC: disabled by default. */
345 rc = CFGMR3QueryBoolDef(pHWVirtExt, "TPRPatchingEnabled", &pVM->hwaccm.s.fTRPPatchingAllowed, false);
346 AssertRC(rc);
347
348#ifdef RT_OS_DARWIN
349 if (VMMIsHwVirtExtForced(pVM) != pVM->hwaccm.s.fAllowed)
350#else
351 if (VMMIsHwVirtExtForced(pVM) && !pVM->hwaccm.s.fAllowed)
352#endif
353 {
354 AssertLogRelMsgFailed(("VMMIsHwVirtExtForced=%RTbool fAllowed=%RTbool\n",
355 VMMIsHwVirtExtForced(pVM), pVM->hwaccm.s.fAllowed));
356 return VERR_HWACCM_CONFIG_MISMATCH;
357 }
358
359 if (VMMIsHwVirtExtForced(pVM))
360 pVM->fHWACCMEnabled = true;
361
362#if HC_ARCH_BITS == 32
363 /* 64-bit mode is configurable and it depends on both the kernel mode and VT-x.
364 * (To use the default, don't set 64bitEnabled in CFGM.) */
365 rc = CFGMR3QueryBoolDef(pHWVirtExt, "64bitEnabled", &pVM->hwaccm.s.fAllow64BitGuests, false);
366 AssertLogRelRCReturn(rc, rc);
367 if (pVM->hwaccm.s.fAllow64BitGuests)
368 {
369# ifdef RT_OS_DARWIN
370 if (!VMMIsHwVirtExtForced(pVM))
371# else
372 if (!pVM->hwaccm.s.fAllowed)
373# endif
374 return VM_SET_ERROR(pVM, VERR_INVALID_PARAMETER, "64-bit guest support was requested without also enabling HWVirtEx (VT-x/AMD-V).");
375 }
376#else
377 /* On 64-bit hosts 64-bit guest support is enabled by default, but allow this to be overridden
378 * via VBoxInternal/HWVirtExt/64bitEnabled=0. (ConsoleImpl2.cpp doesn't set this to false for 64-bit.) */
379 rc = CFGMR3QueryBoolDef(pHWVirtExt, "64bitEnabled", &pVM->hwaccm.s.fAllow64BitGuests, true);
380 AssertLogRelRCReturn(rc, rc);
381#endif
382
383
384 /** Determine the init method for AMD-V and VT-x; either one global init for each host CPU
385 * or local init each time we wish to execute guest code.
386 *
387 * Default false for Mac OS X and Windows due to the higher risk of conflicts with other hypervisors.
388 */
389 rc = CFGMR3QueryBoolDef(pHWVirtExt, "Exclusive", &pVM->hwaccm.s.fGlobalInit,
390#if defined(RT_OS_DARWIN) || defined(RT_OS_WINDOWS)
391 false
392#else
393 true
394#endif
395 );
396
397 /* Max number of resume loops. */
398 rc = CFGMR3QueryU32Def(pHWVirtExt, "MaxResumeLoops", &pVM->hwaccm.s.cMaxResumeLoops, 0 /* set by R0 later */);
399 AssertRC(rc);
400
401 return VINF_SUCCESS;
402}
403
404/**
405 * Initializes the per-VCPU HWACCM.
406 *
407 * @returns VBox status code.
408 * @param pVM The VM to operate on.
409 */
410VMMR3DECL(int) HWACCMR3InitCPU(PVM pVM)
411{
412 LogFlow(("HWACCMR3InitCPU\n"));
413
414 for (VMCPUID i = 0; i < pVM->cCpus; i++)
415 {
416 PVMCPU pVCpu = &pVM->aCpus[i];
417
418 pVCpu->hwaccm.s.fActive = false;
419 }
420
421#ifdef VBOX_WITH_STATISTICS
422 STAM_REG(pVM, &pVM->hwaccm.s.StatTPRPatchSuccess, STAMTYPE_COUNTER, "/HWACCM/TPR/Patch/Success", STAMUNIT_OCCURENCES, "Number of times an instruction was successfully patched.");
423 STAM_REG(pVM, &pVM->hwaccm.s.StatTPRPatchFailure, STAMTYPE_COUNTER, "/HWACCM/TPR/Patch/Failed", STAMUNIT_OCCURENCES, "Number of unsuccessful patch attempts.");
424 STAM_REG(pVM, &pVM->hwaccm.s.StatTPRReplaceSuccess, STAMTYPE_COUNTER, "/HWACCM/TPR/Replace/Success",STAMUNIT_OCCURENCES, "Number of times an instruction was successfully patched.");
425 STAM_REG(pVM, &pVM->hwaccm.s.StatTPRReplaceFailure, STAMTYPE_COUNTER, "/HWACCM/TPR/Replace/Failed", STAMUNIT_OCCURENCES, "Number of unsuccessful patch attempts.");
426
427 /*
428 * Statistics.
429 */
430 for (VMCPUID i = 0; i < pVM->cCpus; i++)
431 {
432 PVMCPU pVCpu = &pVM->aCpus[i];
433 int rc;
434
435 rc = STAMR3RegisterF(pVM, &pVCpu->hwaccm.s.StatPoke, STAMTYPE_PROFILE, STAMVISIBILITY_USED, STAMUNIT_TICKS_PER_CALL, "Profiling of RTMpPokeCpu",
436 "/PROF/HWACCM/CPU%d/Poke", i);
437 AssertRC(rc);
438 rc = STAMR3RegisterF(pVM, &pVCpu->hwaccm.s.StatSpinPoke, STAMTYPE_PROFILE, STAMVISIBILITY_USED, STAMUNIT_TICKS_PER_CALL, "Profiling of poke wait",
439 "/PROF/HWACCM/CPU%d/PokeWait", i);
440 AssertRC(rc);
441 rc = STAMR3RegisterF(pVM, &pVCpu->hwaccm.s.StatSpinPokeFailed, STAMTYPE_PROFILE, STAMVISIBILITY_USED, STAMUNIT_TICKS_PER_CALL, "Profiling of poke wait when RTMpPokeCpu fails",
442 "/PROF/HWACCM/CPU%d/PokeWaitFailed", i);
443 AssertRC(rc);
444 rc = STAMR3RegisterF(pVM, &pVCpu->hwaccm.s.StatEntry, STAMTYPE_PROFILE, STAMVISIBILITY_USED, STAMUNIT_TICKS_PER_CALL, "Profiling of VMXR0RunGuestCode entry",
445 "/PROF/HWACCM/CPU%d/SwitchToGC", i);
446 AssertRC(rc);
447 rc = STAMR3RegisterF(pVM, &pVCpu->hwaccm.s.StatExit1, STAMTYPE_PROFILE, STAMVISIBILITY_USED, STAMUNIT_TICKS_PER_CALL, "Profiling of VMXR0RunGuestCode exit part 1",
448 "/PROF/HWACCM/CPU%d/SwitchFromGC_1", i);
449 AssertRC(rc);
450 rc = STAMR3RegisterF(pVM, &pVCpu->hwaccm.s.StatExit2, STAMTYPE_PROFILE, STAMVISIBILITY_USED, STAMUNIT_TICKS_PER_CALL, "Profiling of VMXR0RunGuestCode exit part 2",
451 "/PROF/HWACCM/CPU%d/SwitchFromGC_2", i);
452 AssertRC(rc);
453# if 1 /* temporary for tracking down darwin holdup. */
454 rc = STAMR3RegisterF(pVM, &pVCpu->hwaccm.s.StatExit2Sub1, STAMTYPE_PROFILE, STAMVISIBILITY_USED, STAMUNIT_TICKS_PER_CALL, "Temporary - I/O",
455 "/PROF/HWACCM/CPU%d/SwitchFromGC_2/Sub1", i);
456 AssertRC(rc);
457 rc = STAMR3RegisterF(pVM, &pVCpu->hwaccm.s.StatExit2Sub2, STAMTYPE_PROFILE, STAMVISIBILITY_USED, STAMUNIT_TICKS_PER_CALL, "Temporary - CRx RWs",
458 "/PROF/HWACCM/CPU%d/SwitchFromGC_2/Sub2", i);
459 AssertRC(rc);
460 rc = STAMR3RegisterF(pVM, &pVCpu->hwaccm.s.StatExit2Sub3, STAMTYPE_PROFILE, STAMVISIBILITY_USED, STAMUNIT_TICKS_PER_CALL, "Temporary - Exceptions",
461 "/PROF/HWACCM/CPU%d/SwitchFromGC_2/Sub3", i);
462 AssertRC(rc);
463# endif
464 rc = STAMR3RegisterF(pVM, &pVCpu->hwaccm.s.StatInGC, STAMTYPE_PROFILE, STAMVISIBILITY_USED, STAMUNIT_TICKS_PER_CALL, "Profiling of vmlaunch",
465 "/PROF/HWACCM/CPU%d/InGC", i);
466 AssertRC(rc);
467
468# if HC_ARCH_BITS == 32 && defined(VBOX_ENABLE_64_BITS_GUESTS) && !defined(VBOX_WITH_HYBRID_32BIT_KERNEL)
469 rc = STAMR3RegisterF(pVM, &pVCpu->hwaccm.s.StatWorldSwitch3264, STAMTYPE_PROFILE, STAMVISIBILITY_USED, STAMUNIT_TICKS_PER_CALL, "Profiling of the 32/64 switcher",
470 "/PROF/HWACCM/CPU%d/Switcher3264", i);
471 AssertRC(rc);
472# endif
473
474# define HWACCM_REG_COUNTER(a, b) \
475 rc = STAMR3RegisterF(pVM, a, STAMTYPE_COUNTER, STAMVISIBILITY_ALWAYS, STAMUNIT_OCCURENCES, "Profiling of vmlaunch", b, i); \
476 AssertRC(rc);
477
478 HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatExitShadowNM, "/HWACCM/CPU%d/Exit/Trap/Shw/#NM");
479 HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatExitGuestNM, "/HWACCM/CPU%d/Exit/Trap/Gst/#NM");
480 HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatExitShadowPF, "/HWACCM/CPU%d/Exit/Trap/Shw/#PF");
481 HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatExitGuestPF, "/HWACCM/CPU%d/Exit/Trap/Gst/#PF");
482 HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatExitGuestUD, "/HWACCM/CPU%d/Exit/Trap/Gst/#UD");
483 HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatExitGuestSS, "/HWACCM/CPU%d/Exit/Trap/Gst/#SS");
484 HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatExitGuestNP, "/HWACCM/CPU%d/Exit/Trap/Gst/#NP");
485 HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatExitGuestGP, "/HWACCM/CPU%d/Exit/Trap/Gst/#GP");
486 HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatExitGuestMF, "/HWACCM/CPU%d/Exit/Trap/Gst/#MF");
487 HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatExitGuestDE, "/HWACCM/CPU%d/Exit/Trap/Gst/#DE");
488 HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatExitGuestDB, "/HWACCM/CPU%d/Exit/Trap/Gst/#DB");
489 HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatExitInvpg, "/HWACCM/CPU%d/Exit/Instr/Invlpg");
490 HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatExitInvd, "/HWACCM/CPU%d/Exit/Instr/Invd");
491 HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatExitCpuid, "/HWACCM/CPU%d/Exit/Instr/Cpuid");
492 HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatExitRdtsc, "/HWACCM/CPU%d/Exit/Instr/Rdtsc");
493 HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatExitRdpmc, "/HWACCM/CPU%d/Exit/Instr/Rdpmc");
494 HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatExitRdmsr, "/HWACCM/CPU%d/Exit/Instr/Rdmsr");
495 HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatExitWrmsr, "/HWACCM/CPU%d/Exit/Instr/Wrmsr");
496 HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatExitMwait, "/HWACCM/CPU%d/Exit/Instr/Mwait");
497 HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatExitDRxWrite, "/HWACCM/CPU%d/Exit/Instr/DR/Write");
498 HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatExitDRxRead, "/HWACCM/CPU%d/Exit/Instr/DR/Read");
499 HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatExitCLTS, "/HWACCM/CPU%d/Exit/Instr/CLTS");
500 HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatExitLMSW, "/HWACCM/CPU%d/Exit/Instr/LMSW");
501 HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatExitCli, "/HWACCM/CPU%d/Exit/Instr/Cli");
502 HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatExitSti, "/HWACCM/CPU%d/Exit/Instr/Sti");
503 HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatExitPushf, "/HWACCM/CPU%d/Exit/Instr/Pushf");
504 HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatExitPopf, "/HWACCM/CPU%d/Exit/Instr/Popf");
505 HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatExitIret, "/HWACCM/CPU%d/Exit/Instr/Iret");
506 HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatExitInt, "/HWACCM/CPU%d/Exit/Instr/Int");
507 HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatExitHlt, "/HWACCM/CPU%d/Exit/Instr/Hlt");
508 HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatExitIOWrite, "/HWACCM/CPU%d/Exit/IO/Write");
509 HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatExitIORead, "/HWACCM/CPU%d/Exit/IO/Read");
510 HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatExitIOStringWrite, "/HWACCM/CPU%d/Exit/IO/WriteString");
511 HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatExitIOStringRead, "/HWACCM/CPU%d/Exit/IO/ReadString");
512 HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatExitIrqWindow, "/HWACCM/CPU%d/Exit/IrqWindow");
513 HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatExitMaxResume, "/HWACCM/CPU%d/Exit/MaxResume");
514 HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatExitPreemptPending, "/HWACCM/CPU%d/Exit/PreemptPending");
515
516 HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatSwitchGuestIrq, "/HWACCM/CPU%d/Switch/IrqPending");
517 HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatSwitchToR3, "/HWACCM/CPU%d/Switch/ToR3");
518
519 HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatIntInject, "/HWACCM/CPU%d/Irq/Inject");
520 HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatIntReinject, "/HWACCM/CPU%d/Irq/Reinject");
521 HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatPendingHostIrq, "/HWACCM/CPU%d/Irq/PendingOnHost");
522
523 HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatFlushPage, "/HWACCM/CPU%d/Flush/Page");
524 HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatFlushPageManual, "/HWACCM/CPU%d/Flush/Page/Virt");
525 HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatFlushPhysPageManual, "/HWACCM/CPU%d/Flush/Page/Phys");
526 HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatFlushTLB, "/HWACCM/CPU%d/Flush/TLB");
527 HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatFlushTLBManual, "/HWACCM/CPU%d/Flush/TLB/Manual");
528 HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatFlushTLBCRxChange, "/HWACCM/CPU%d/Flush/TLB/CRx");
529 HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatFlushPageInvlpg, "/HWACCM/CPU%d/Flush/Page/Invlpg");
530 HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatFlushTLBWorldSwitch, "/HWACCM/CPU%d/Flush/TLB/Switch");
531 HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatNoFlushTLBWorldSwitch, "/HWACCM/CPU%d/Flush/TLB/Skipped");
532 HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatFlushASID, "/HWACCM/CPU%d/Flush/TLB/ASID");
533 HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatFlushTLBInvlpga, "/HWACCM/CPU%d/Flush/TLB/PhysInvl");
534 HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatTlbShootdown, "/HWACCM/CPU%d/Flush/Shootdown/Page");
535 HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatTlbShootdownFlush, "/HWACCM/CPU%d/Flush/Shootdown/TLB");
536
537 HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatTSCOffset, "/HWACCM/CPU%d/TSC/Offset");
538 HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatTSCIntercept, "/HWACCM/CPU%d/TSC/Intercept");
539 HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatTSCInterceptOverFlow, "/HWACCM/CPU%d/TSC/InterceptOverflow");
540
541 HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatDRxArmed, "/HWACCM/CPU%d/Debug/Armed");
542 HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatDRxContextSwitch, "/HWACCM/CPU%d/Debug/ContextSwitch");
543 HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatDRxIOCheck, "/HWACCM/CPU%d/Debug/IOCheck");
544
545 for (unsigned j=0;j<RT_ELEMENTS(pVCpu->hwaccm.s.StatExitCRxWrite);j++)
546 {
547 rc = STAMR3RegisterF(pVM, &pVCpu->hwaccm.s.StatExitCRxWrite[j], STAMTYPE_COUNTER, STAMVISIBILITY_USED, STAMUNIT_OCCURENCES, "Profiling of CRx writes",
548 "/HWACCM/CPU%d/Exit/Instr/CR/Write/%x", i, j);
549 AssertRC(rc);
550 rc = STAMR3RegisterF(pVM, &pVCpu->hwaccm.s.StatExitCRxRead[j], STAMTYPE_COUNTER, STAMVISIBILITY_USED, STAMUNIT_OCCURENCES, "Profiling of CRx reads",
551 "/HWACCM/CPU%d/Exit/Instr/CR/Read/%x", i, j);
552 AssertRC(rc);
553 }
554
555#undef HWACCM_REG_COUNTER
556
557 pVCpu->hwaccm.s.paStatExitReason = NULL;
558
559 rc = MMHyperAlloc(pVM, MAX_EXITREASON_STAT*sizeof(*pVCpu->hwaccm.s.paStatExitReason), 0, MM_TAG_HWACCM, (void **)&pVCpu->hwaccm.s.paStatExitReason);
560 AssertRC(rc);
561 if (RT_SUCCESS(rc))
562 {
563 const char * const *papszDesc = ASMIsIntelCpu() ? &g_apszVTxExitReasons[0] : &g_apszAmdVExitReasons[0];
564 for (int j=0;j<MAX_EXITREASON_STAT;j++)
565 {
566 if (papszDesc[j])
567 {
568 rc = STAMR3RegisterF(pVM, &pVCpu->hwaccm.s.paStatExitReason[j], STAMTYPE_COUNTER, STAMVISIBILITY_USED, STAMUNIT_OCCURENCES,
569 papszDesc[j], "/HWACCM/CPU%d/Exit/Reason/%02x", i, j);
570 AssertRC(rc);
571 }
572 }
573 rc = STAMR3RegisterF(pVM, &pVCpu->hwaccm.s.StatExitReasonNPF, STAMTYPE_COUNTER, STAMVISIBILITY_USED, STAMUNIT_OCCURENCES, "Nested page fault", "/HWACCM/CPU%d/Exit/Reason/#NPF", i);
574 AssertRC(rc);
575 }
576 pVCpu->hwaccm.s.paStatExitReasonR0 = MMHyperR3ToR0(pVM, pVCpu->hwaccm.s.paStatExitReason);
577# ifdef VBOX_WITH_2X_4GB_ADDR_SPACE
578 Assert(pVCpu->hwaccm.s.paStatExitReasonR0 != NIL_RTR0PTR || !VMMIsHwVirtExtForced(pVM));
579# else
580 Assert(pVCpu->hwaccm.s.paStatExitReasonR0 != NIL_RTR0PTR);
581# endif
582
583 rc = MMHyperAlloc(pVM, sizeof(STAMCOUNTER) * 256, 8, MM_TAG_HWACCM, (void **)&pVCpu->hwaccm.s.paStatInjectedIrqs);
584 AssertRCReturn(rc, rc);
585 pVCpu->hwaccm.s.paStatInjectedIrqsR0 = MMHyperR3ToR0(pVM, pVCpu->hwaccm.s.paStatInjectedIrqs);
586# ifdef VBOX_WITH_2X_4GB_ADDR_SPACE
587 Assert(pVCpu->hwaccm.s.paStatInjectedIrqsR0 != NIL_RTR0PTR || !VMMIsHwVirtExtForced(pVM));
588# else
589 Assert(pVCpu->hwaccm.s.paStatInjectedIrqsR0 != NIL_RTR0PTR);
590# endif
591 for (unsigned j = 0; j < 255; j++)
592 STAMR3RegisterF(pVM, &pVCpu->hwaccm.s.paStatInjectedIrqs[j], STAMTYPE_COUNTER, STAMVISIBILITY_USED, STAMUNIT_OCCURENCES, "Forwarded interrupts.",
593 (j < 0x20) ? "/HWACCM/CPU%d/Interrupt/Trap/%02X" : "/HWACCM/CPU%d/Interrupt/IRQ/%02X", i, j);
594
595 }
596#endif /* VBOX_WITH_STATISTICS */
597
598#ifdef VBOX_WITH_CRASHDUMP_MAGIC
599 /* Magic marker for searching in crash dumps. */
600 for (VMCPUID i = 0; i < pVM->cCpus; i++)
601 {
602 PVMCPU pVCpu = &pVM->aCpus[i];
603
604 PVMCSCACHE pCache = &pVCpu->hwaccm.s.vmx.VMCSCache;
605 strcpy((char *)pCache->aMagic, "VMCSCACHE Magic");
606 pCache->uMagic = UINT64_C(0xDEADBEEFDEADBEEF);
607 }
608#endif
609 return VINF_SUCCESS;
610}
611
612/**
613 * Turns off normal raw mode features
614 *
615 * @param pVM The VM to operate on.
616 */
617static void hwaccmR3DisableRawMode(PVM pVM)
618{
619 /* Disable PATM & CSAM. */
620 PATMR3AllowPatching(pVM, false);
621 CSAMDisableScanning(pVM);
622
623 /* Turn off IDT/LDT/GDT and TSS monitoring and sycing. */
624 SELMR3DisableMonitoring(pVM);
625 TRPMR3DisableMonitoring(pVM);
626
627 /* Disable the switcher code (safety precaution). */
628 VMMR3DisableSwitcher(pVM);
629
630 /* Disable mapping of the hypervisor into the shadow page table. */
631 PGMR3MappingsDisable(pVM);
632
633 /* Disable the switcher */
634 VMMR3DisableSwitcher(pVM);
635
636 /* Reinit the paging mode to force the new shadow mode. */
637 for (VMCPUID i = 0; i < pVM->cCpus; i++)
638 {
639 PVMCPU pVCpu = &pVM->aCpus[i];
640
641 PGMR3ChangeMode(pVM, pVCpu, PGMMODE_REAL);
642 }
643}
644
645/**
646 * Initialize VT-x or AMD-V.
647 *
648 * @returns VBox status code.
649 * @param pVM The VM handle.
650 */
651VMMR3DECL(int) HWACCMR3InitFinalizeR0(PVM pVM)
652{
653 int rc;
654
655 if ( !pVM->hwaccm.s.vmx.fSupported
656 && !pVM->hwaccm.s.svm.fSupported)
657 {
658 LogRel(("HWACCM: No VT-x or AMD-V CPU extension found. Reason %Rrc\n", pVM->hwaccm.s.lLastError));
659 LogRel(("HWACCM: VMX MSR_IA32_FEATURE_CONTROL=%RX64\n", pVM->hwaccm.s.vmx.msr.feature_ctrl));
660 if (VMMIsHwVirtExtForced(pVM))
661 return VM_SET_ERROR(pVM, VERR_VMX_NO_VMX, "VT-x is not available.");
662 return VINF_SUCCESS;
663 }
664
665 if (pVM->hwaccm.s.vmx.fSupported)
666 {
667 rc = SUPR3QueryVTxSupported();
668 if (RT_FAILURE(rc))
669 {
670#ifdef RT_OS_LINUX
671 LogRel(("HWACCM: The host kernel does not support VT-x -- Linux 2.6.13 or newer required!\n"));
672#else
673 LogRel(("HWACCM: The host kernel does not support VT-x!\n"));
674#endif
675 if ( pVM->cCpus > 1
676 || VMMIsHwVirtExtForced(pVM))
677 return rc;
678
679 /* silently fall back to raw mode */
680 return VINF_SUCCESS;
681 }
682 }
683
684 if (!pVM->hwaccm.s.fAllowed)
685 return VINF_SUCCESS; /* nothing to do */
686
687 /* Enable VT-x or AMD-V on all host CPUs. */
688 rc = SUPR3CallVMMR0Ex(pVM->pVMR0, 0 /*idCpu*/, VMMR0_DO_HWACC_ENABLE, 0, NULL);
689 if (RT_FAILURE(rc))
690 {
691 LogRel(("HWACCMR3InitFinalize: SUPR3CallVMMR0Ex VMMR0_DO_HWACC_ENABLE failed with %Rrc\n", rc));
692 return rc;
693 }
694 Assert(!pVM->fHWACCMEnabled || VMMIsHwVirtExtForced(pVM));
695
696 pVM->hwaccm.s.fHasIoApic = PDMHasIoApic(pVM);
697 /* No TPR patching is required when the IO-APIC is not enabled for this VM. (Main should have taken care of this already) */
698 if (!pVM->hwaccm.s.fHasIoApic)
699 {
700 Assert(!pVM->hwaccm.s.fTRPPatchingAllowed); /* paranoia */
701 pVM->hwaccm.s.fTRPPatchingAllowed = false;
702 }
703
704 if (pVM->hwaccm.s.vmx.fSupported)
705 {
706 Log(("pVM->hwaccm.s.vmx.fSupported = %d\n", pVM->hwaccm.s.vmx.fSupported));
707
708 if ( pVM->hwaccm.s.fInitialized == false
709 && pVM->hwaccm.s.vmx.msr.feature_ctrl != 0)
710 {
711 uint64_t val;
712 RTGCPHYS GCPhys = 0;
713
714 LogRel(("HWACCM: Host CR4=%08X\n", pVM->hwaccm.s.vmx.hostCR4));
715 LogRel(("HWACCM: MSR_IA32_FEATURE_CONTROL = %RX64\n", pVM->hwaccm.s.vmx.msr.feature_ctrl));
716 LogRel(("HWACCM: MSR_IA32_VMX_BASIC_INFO = %RX64\n", pVM->hwaccm.s.vmx.msr.vmx_basic_info));
717 LogRel(("HWACCM: VMCS id = %x\n", MSR_IA32_VMX_BASIC_INFO_VMCS_ID(pVM->hwaccm.s.vmx.msr.vmx_basic_info)));
718 LogRel(("HWACCM: VMCS size = %x\n", MSR_IA32_VMX_BASIC_INFO_VMCS_SIZE(pVM->hwaccm.s.vmx.msr.vmx_basic_info)));
719 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"));
720 LogRel(("HWACCM: VMCS memory type = %x\n", MSR_IA32_VMX_BASIC_INFO_VMCS_MEM_TYPE(pVM->hwaccm.s.vmx.msr.vmx_basic_info)));
721 LogRel(("HWACCM: Dual monitor treatment = %d\n", MSR_IA32_VMX_BASIC_INFO_VMCS_DUAL_MON(pVM->hwaccm.s.vmx.msr.vmx_basic_info)));
722
723 LogRel(("HWACCM: MSR_IA32_VMX_PINBASED_CTLS = %RX64\n", pVM->hwaccm.s.vmx.msr.vmx_pin_ctls.u));
724 val = pVM->hwaccm.s.vmx.msr.vmx_pin_ctls.n.allowed1;
725 if (val & VMX_VMCS_CTRL_PIN_EXEC_CONTROLS_EXT_INT_EXIT)
726 LogRel(("HWACCM: VMX_VMCS_CTRL_PIN_EXEC_CONTROLS_EXT_INT_EXIT\n"));
727 if (val & VMX_VMCS_CTRL_PIN_EXEC_CONTROLS_NMI_EXIT)
728 LogRel(("HWACCM: VMX_VMCS_CTRL_PIN_EXEC_CONTROLS_NMI_EXIT\n"));
729 if (val & VMX_VMCS_CTRL_PIN_EXEC_CONTROLS_VIRTUAL_NMI)
730 LogRel(("HWACCM: VMX_VMCS_CTRL_PIN_EXEC_CONTROLS_VIRTUAL_NMI\n"));
731 if (val & VMX_VMCS_CTRL_PIN_EXEC_CONTROLS_PREEMPT_TIMER)
732 LogRel(("HWACCM: VMX_VMCS_CTRL_PIN_EXEC_CONTROLS_PREEMPT_TIMER\n"));
733 val = pVM->hwaccm.s.vmx.msr.vmx_pin_ctls.n.disallowed0;
734 if (val & VMX_VMCS_CTRL_PIN_EXEC_CONTROLS_EXT_INT_EXIT)
735 LogRel(("HWACCM: VMX_VMCS_CTRL_PIN_EXEC_CONTROLS_EXT_INT_EXIT *must* be set\n"));
736 if (val & VMX_VMCS_CTRL_PIN_EXEC_CONTROLS_NMI_EXIT)
737 LogRel(("HWACCM: VMX_VMCS_CTRL_PIN_EXEC_CONTROLS_NMI_EXIT *must* be set\n"));
738 if (val & VMX_VMCS_CTRL_PIN_EXEC_CONTROLS_VIRTUAL_NMI)
739 LogRel(("HWACCM: VMX_VMCS_CTRL_PIN_EXEC_CONTROLS_VIRTUAL_NMI *must* be set\n"));
740 if (val & VMX_VMCS_CTRL_PIN_EXEC_CONTROLS_PREEMPT_TIMER)
741 LogRel(("HWACCM: VMX_VMCS_CTRL_PIN_EXEC_CONTROLS_PREEMPT_TIMER *must* be set\n"));
742
743 LogRel(("HWACCM: MSR_IA32_VMX_PROCBASED_CTLS = %RX64\n", pVM->hwaccm.s.vmx.msr.vmx_proc_ctls.u));
744 val = pVM->hwaccm.s.vmx.msr.vmx_proc_ctls.n.allowed1;
745 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_IRQ_WINDOW_EXIT)
746 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_IRQ_WINDOW_EXIT\n"));
747 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_TSC_OFFSET)
748 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_TSC_OFFSET\n"));
749 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_HLT_EXIT)
750 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_HLT_EXIT\n"));
751 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_INVLPG_EXIT)
752 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_INVLPG_EXIT\n"));
753 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_MWAIT_EXIT)
754 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_MWAIT_EXIT\n"));
755 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_RDPMC_EXIT)
756 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_RDPMC_EXIT\n"));
757 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_RDTSC_EXIT)
758 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_RDTSC_EXIT\n"));
759 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_CR3_LOAD_EXIT)
760 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_CR3_LOAD_EXIT\n"));
761 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_CR3_STORE_EXIT)
762 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_CR3_STORE_EXIT\n"));
763 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_CR8_LOAD_EXIT)
764 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_CR8_LOAD_EXIT\n"));
765 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_CR8_STORE_EXIT)
766 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_CR8_STORE_EXIT\n"));
767 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_USE_TPR_SHADOW)
768 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_USE_TPR_SHADOW\n"));
769 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_NMI_WINDOW_EXIT)
770 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_NMI_WINDOW_EXIT\n"));
771 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_MOV_DR_EXIT)
772 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_MOV_DR_EXIT\n"));
773 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_UNCOND_IO_EXIT)
774 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_UNCOND_IO_EXIT\n"));
775 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_USE_IO_BITMAPS)
776 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_USE_IO_BITMAPS\n"));
777 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_MONITOR_TRAP_FLAG)
778 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_MONITOR_TRAP_FLAG\n"));
779 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_USE_MSR_BITMAPS)
780 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_USE_MSR_BITMAPS\n"));
781 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_MONITOR_EXIT)
782 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_MONITOR_EXIT\n"));
783 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_PAUSE_EXIT)
784 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_PAUSE_EXIT\n"));
785 if (val & VMX_VMCS_CTRL_PROC_EXEC_USE_SECONDARY_EXEC_CTRL)
786 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_USE_SECONDARY_EXEC_CTRL\n"));
787
788 val = pVM->hwaccm.s.vmx.msr.vmx_proc_ctls.n.disallowed0;
789 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_IRQ_WINDOW_EXIT)
790 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_IRQ_WINDOW_EXIT *must* be set\n"));
791 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_TSC_OFFSET)
792 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_TSC_OFFSET *must* be set\n"));
793 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_HLT_EXIT)
794 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_HLT_EXIT *must* be set\n"));
795 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_INVLPG_EXIT)
796 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_INVLPG_EXIT *must* be set\n"));
797 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_MWAIT_EXIT)
798 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_MWAIT_EXIT *must* be set\n"));
799 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_RDPMC_EXIT)
800 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_RDPMC_EXIT *must* be set\n"));
801 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_RDTSC_EXIT)
802 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_RDTSC_EXIT *must* be set\n"));
803 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_CR3_LOAD_EXIT)
804 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_CR3_LOAD_EXIT *must* be set\n"));
805 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_CR3_STORE_EXIT)
806 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_CR3_STORE_EXIT *must* be set\n"));
807 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_CR8_LOAD_EXIT)
808 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_CR8_LOAD_EXIT *must* be set\n"));
809 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_CR8_STORE_EXIT)
810 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_CR8_STORE_EXIT *must* be set\n"));
811 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_USE_TPR_SHADOW)
812 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_USE_TPR_SHADOW *must* be set\n"));
813 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_NMI_WINDOW_EXIT)
814 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_NMI_WINDOW_EXIT *must* be set\n"));
815 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_MOV_DR_EXIT)
816 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_MOV_DR_EXIT *must* be set\n"));
817 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_UNCOND_IO_EXIT)
818 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_UNCOND_IO_EXIT *must* be set\n"));
819 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_USE_IO_BITMAPS)
820 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_USE_IO_BITMAPS *must* be set\n"));
821 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_MONITOR_TRAP_FLAG)
822 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_MONITOR_TRAP_FLAG *must* be set\n"));
823 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_USE_MSR_BITMAPS)
824 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_USE_MSR_BITMAPS *must* be set\n"));
825 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_MONITOR_EXIT)
826 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_MONITOR_EXIT *must* be set\n"));
827 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_PAUSE_EXIT)
828 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_PAUSE_EXIT *must* be set\n"));
829 if (val & VMX_VMCS_CTRL_PROC_EXEC_USE_SECONDARY_EXEC_CTRL)
830 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_USE_SECONDARY_EXEC_CTRL *must* be set\n"));
831
832 if (pVM->hwaccm.s.vmx.msr.vmx_proc_ctls.n.allowed1 & VMX_VMCS_CTRL_PROC_EXEC_USE_SECONDARY_EXEC_CTRL)
833 {
834 LogRel(("HWACCM: MSR_IA32_VMX_PROCBASED_CTLS2 = %RX64\n", pVM->hwaccm.s.vmx.msr.vmx_proc_ctls2.u));
835 val = pVM->hwaccm.s.vmx.msr.vmx_proc_ctls2.n.allowed1;
836 if (val & VMX_VMCS_CTRL_PROC_EXEC2_VIRT_APIC)
837 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC2_VIRT_APIC\n"));
838 if (val & VMX_VMCS_CTRL_PROC_EXEC2_EPT)
839 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC2_EPT\n"));
840 if (val & VMX_VMCS_CTRL_PROC_EXEC2_DESCRIPTOR_INSTR_EXIT)
841 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC2_DESCRIPTOR_INSTR_EXIT\n"));
842 if (val & VMX_VMCS_CTRL_PROC_EXEC2_RDTSCP_EXIT)
843 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC2_RDTSCP_EXIT\n"));
844 if (val & VMX_VMCS_CTRL_PROC_EXEC2_X2APIC)
845 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC2_X2APIC\n"));
846 if (val & VMX_VMCS_CTRL_PROC_EXEC2_VPID)
847 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC2_VPID\n"));
848 if (val & VMX_VMCS_CTRL_PROC_EXEC2_WBINVD_EXIT)
849 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC2_WBINVD_EXIT\n"));
850 if (val & VMX_VMCS_CTRL_PROC_EXEC2_REAL_MODE)
851 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC2_REAL_MODE\n"));
852 if (val & VMX_VMCS_CTRL_PROC_EXEC2_PAUSE_LOOP_EXIT)
853 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC2_PAUSE_LOOP_EXIT\n"));
854
855 val = pVM->hwaccm.s.vmx.msr.vmx_proc_ctls2.n.disallowed0;
856 if (val & VMX_VMCS_CTRL_PROC_EXEC2_VIRT_APIC)
857 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC2_VIRT_APIC *must* be set\n"));
858 if (val & VMX_VMCS_CTRL_PROC_EXEC2_DESCRIPTOR_INSTR_EXIT)
859 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC2_DESCRIPTOR_INSTR_EXIT *must* be set\n"));
860 if (val & VMX_VMCS_CTRL_PROC_EXEC2_RDTSCP_EXIT)
861 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC2_RDTSCP_EXIT *must* be set\n"));
862 if (val & VMX_VMCS_CTRL_PROC_EXEC2_X2APIC)
863 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC2_X2APIC *must* be set\n"));
864 if (val & VMX_VMCS_CTRL_PROC_EXEC2_EPT)
865 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC2_EPT *must* be set\n"));
866 if (val & VMX_VMCS_CTRL_PROC_EXEC2_VPID)
867 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC2_VPID *must* be set\n"));
868 if (val & VMX_VMCS_CTRL_PROC_EXEC2_WBINVD_EXIT)
869 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC2_WBINVD_EXIT *must* be set\n"));
870 if (val & VMX_VMCS_CTRL_PROC_EXEC2_REAL_MODE)
871 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC2_REAL_MODE *must* be set\n"));
872 if (val & VMX_VMCS_CTRL_PROC_EXEC2_PAUSE_LOOP_EXIT)
873 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC2_PAUSE_LOOP_EXIT *must* be set\n"));
874 }
875
876 LogRel(("HWACCM: MSR_IA32_VMX_ENTRY_CTLS = %RX64\n", pVM->hwaccm.s.vmx.msr.vmx_entry.u));
877 val = pVM->hwaccm.s.vmx.msr.vmx_entry.n.allowed1;
878 if (val & VMX_VMCS_CTRL_ENTRY_CONTROLS_LOAD_DEBUG)
879 LogRel(("HWACCM: VMX_VMCS_CTRL_ENTRY_CONTROLS_LOAD_DEBUG\n"));
880 if (val & VMX_VMCS_CTRL_ENTRY_CONTROLS_IA64_MODE)
881 LogRel(("HWACCM: VMX_VMCS_CTRL_ENTRY_CONTROLS_IA64_MODE\n"));
882 if (val & VMX_VMCS_CTRL_ENTRY_CONTROLS_ENTRY_SMM)
883 LogRel(("HWACCM: VMX_VMCS_CTRL_ENTRY_CONTROLS_ENTRY_SMM\n"));
884 if (val & VMX_VMCS_CTRL_ENTRY_CONTROLS_DEACTIVATE_DUALMON)
885 LogRel(("HWACCM: VMX_VMCS_CTRL_ENTRY_CONTROLS_DEACTIVATE_DUALMON\n"));
886 if (val & VMX_VMCS_CTRL_ENTRY_CONTROLS_LOAD_GUEST_PERF_MSR)
887 LogRel(("HWACCM: VMX_VMCS_CTRL_ENTRY_CONTROLS_LOAD_GUEST_PERF_MSR\n"));
888 if (val & VMX_VMCS_CTRL_ENTRY_CONTROLS_LOAD_GUEST_PAT_MSR)
889 LogRel(("HWACCM: VMX_VMCS_CTRL_ENTRY_CONTROLS_LOAD_GUEST_PAT_MSR\n"));
890 if (val & VMX_VMCS_CTRL_ENTRY_CONTROLS_LOAD_GUEST_EFER_MSR)
891 LogRel(("HWACCM: VMX_VMCS_CTRL_ENTRY_CONTROLS_LOAD_GUEST_EFER_MSR\n"));
892 val = pVM->hwaccm.s.vmx.msr.vmx_entry.n.disallowed0;
893 if (val & VMX_VMCS_CTRL_ENTRY_CONTROLS_LOAD_DEBUG)
894 LogRel(("HWACCM: VMX_VMCS_CTRL_ENTRY_CONTROLS_LOAD_DEBUG *must* be set\n"));
895 if (val & VMX_VMCS_CTRL_ENTRY_CONTROLS_IA64_MODE)
896 LogRel(("HWACCM: VMX_VMCS_CTRL_ENTRY_CONTROLS_IA64_MODE *must* be set\n"));
897 if (val & VMX_VMCS_CTRL_ENTRY_CONTROLS_ENTRY_SMM)
898 LogRel(("HWACCM: VMX_VMCS_CTRL_ENTRY_CONTROLS_ENTRY_SMM *must* be set\n"));
899 if (val & VMX_VMCS_CTRL_ENTRY_CONTROLS_DEACTIVATE_DUALMON)
900 LogRel(("HWACCM: VMX_VMCS_CTRL_ENTRY_CONTROLS_DEACTIVATE_DUALMON *must* be set\n"));
901 if (val & VMX_VMCS_CTRL_ENTRY_CONTROLS_LOAD_GUEST_PERF_MSR)
902 LogRel(("HWACCM: VMX_VMCS_CTRL_ENTRY_CONTROLS_LOAD_GUEST_PERF_MSR *must* be set\n"));
903 if (val & VMX_VMCS_CTRL_ENTRY_CONTROLS_LOAD_GUEST_PAT_MSR)
904 LogRel(("HWACCM: VMX_VMCS_CTRL_ENTRY_CONTROLS_LOAD_GUEST_PAT_MSR *must* be set\n"));
905 if (val & VMX_VMCS_CTRL_ENTRY_CONTROLS_LOAD_GUEST_EFER_MSR)
906 LogRel(("HWACCM: VMX_VMCS_CTRL_ENTRY_CONTROLS_LOAD_GUEST_EFER_MSR *must* be set\n"));
907
908 LogRel(("HWACCM: MSR_IA32_VMX_EXIT_CTLS = %RX64\n", pVM->hwaccm.s.vmx.msr.vmx_exit.u));
909 val = pVM->hwaccm.s.vmx.msr.vmx_exit.n.allowed1;
910 if (val & VMX_VMCS_CTRL_EXIT_CONTROLS_SAVE_DEBUG)
911 LogRel(("HWACCM: VMX_VMCS_CTRL_EXIT_CONTROLS_SAVE_DEBUG\n"));
912 if (val & VMX_VMCS_CTRL_EXIT_CONTROLS_HOST_AMD64)
913 LogRel(("HWACCM: VMX_VMCS_CTRL_EXIT_CONTROLS_HOST_AMD64\n"));
914 if (val & VMX_VMCS_CTRL_EXIT_CONTROLS_ACK_EXTERNAL_IRQ)
915 LogRel(("HWACCM: VMX_VMCS_CTRL_EXIT_CONTROLS_ACK_EXTERNAL_IRQ\n"));
916 if (val & VMX_VMCS_CTRL_EXIT_CONTROLS_SAVE_GUEST_PAT_MSR)
917 LogRel(("HWACCM: VMX_VMCS_CTRL_EXIT_CONTROLS_SAVE_GUEST_PAT_MSR\n"));
918 if (val & VMX_VMCS_CTRL_EXIT_CONTROLS_LOAD_HOST_PAT_MSR)
919 LogRel(("HWACCM: VMX_VMCS_CTRL_EXIT_CONTROLS_LOAD_HOST_PAT_MSR\n"));
920 if (val & VMX_VMCS_CTRL_EXIT_CONTROLS_SAVE_GUEST_EFER_MSR)
921 LogRel(("HWACCM: VMX_VMCS_CTRL_EXIT_CONTROLS_SAVE_GUEST_EFER_MSR\n"));
922 if (val & VMX_VMCS_CTRL_EXIT_CONTROLS_LOAD_HOST_EFER_MSR)
923 LogRel(("HWACCM: VMX_VMCS_CTRL_EXIT_CONTROLS_LOAD_HOST_EFER_MSR\n"));
924 if (val & VMX_VMCS_CTRL_EXIT_CONTROLS_SAVE_VMX_PREEMPT_TIMER)
925 LogRel(("HWACCM: VMX_VMCS_CTRL_EXIT_CONTROLS_SAVE_VMX_PREEMPT_TIMER\n"));
926 val = pVM->hwaccm.s.vmx.msr.vmx_exit.n.disallowed0;
927 if (val & VMX_VMCS_CTRL_EXIT_CONTROLS_SAVE_DEBUG)
928 LogRel(("HWACCM: VMX_VMCS_CTRL_EXIT_CONTROLS_SAVE_DEBUG *must* be set\n"));
929 if (val & VMX_VMCS_CTRL_EXIT_CONTROLS_HOST_AMD64)
930 LogRel(("HWACCM: VMX_VMCS_CTRL_EXIT_CONTROLS_HOST_AMD64 *must* be set\n"));
931 if (val & VMX_VMCS_CTRL_EXIT_CONTROLS_ACK_EXTERNAL_IRQ)
932 LogRel(("HWACCM: VMX_VMCS_CTRL_EXIT_CONTROLS_ACK_EXTERNAL_IRQ *must* be set\n"));
933 if (val & VMX_VMCS_CTRL_EXIT_CONTROLS_SAVE_GUEST_PAT_MSR)
934 LogRel(("HWACCM: VMX_VMCS_CTRL_EXIT_CONTROLS_SAVE_GUEST_PAT_MSR *must* be set\n"));
935 if (val & VMX_VMCS_CTRL_EXIT_CONTROLS_LOAD_HOST_PAT_MSR)
936 LogRel(("HWACCM: VMX_VMCS_CTRL_EXIT_CONTROLS_LOAD_HOST_PAT_MSR *must* be set\n"));
937 if (val & VMX_VMCS_CTRL_EXIT_CONTROLS_SAVE_GUEST_EFER_MSR)
938 LogRel(("HWACCM: VMX_VMCS_CTRL_EXIT_CONTROLS_SAVE_GUEST_EFER_MSR *must* be set\n"));
939 if (val & VMX_VMCS_CTRL_EXIT_CONTROLS_LOAD_HOST_EFER_MSR)
940 LogRel(("HWACCM: VMX_VMCS_CTRL_EXIT_CONTROLS_LOAD_HOST_EFER_MSR *must* be set\n"));
941 if (val & VMX_VMCS_CTRL_EXIT_CONTROLS_SAVE_VMX_PREEMPT_TIMER)
942 LogRel(("HWACCM: VMX_VMCS_CTRL_EXIT_CONTROLS_SAVE_VMX_PREEMPT_TIMER *must* be set\n"));
943
944 if (pVM->hwaccm.s.vmx.msr.vmx_eptcaps)
945 {
946 LogRel(("HWACCM: MSR_IA32_VMX_EPT_VPID_CAPS = %RX64\n", pVM->hwaccm.s.vmx.msr.vmx_eptcaps));
947
948 if (pVM->hwaccm.s.vmx.msr.vmx_eptcaps & MSR_IA32_VMX_EPT_CAPS_RWX_X_ONLY)
949 LogRel(("HWACCM: MSR_IA32_VMX_EPT_CAPS_RWX_X_ONLY\n"));
950 if (pVM->hwaccm.s.vmx.msr.vmx_eptcaps & MSR_IA32_VMX_EPT_CAPS_RWX_W_ONLY)
951 LogRel(("HWACCM: MSR_IA32_VMX_EPT_CAPS_RWX_W_ONLY\n"));
952 if (pVM->hwaccm.s.vmx.msr.vmx_eptcaps & MSR_IA32_VMX_EPT_CAPS_RWX_WX_ONLY)
953 LogRel(("HWACCM: MSR_IA32_VMX_EPT_CAPS_RWX_WX_ONLY\n"));
954 if (pVM->hwaccm.s.vmx.msr.vmx_eptcaps & MSR_IA32_VMX_EPT_CAPS_GAW_21_BITS)
955 LogRel(("HWACCM: MSR_IA32_VMX_EPT_CAPS_GAW_21_BITS\n"));
956 if (pVM->hwaccm.s.vmx.msr.vmx_eptcaps & MSR_IA32_VMX_EPT_CAPS_GAW_30_BITS)
957 LogRel(("HWACCM: MSR_IA32_VMX_EPT_CAPS_GAW_30_BITS\n"));
958 if (pVM->hwaccm.s.vmx.msr.vmx_eptcaps & MSR_IA32_VMX_EPT_CAPS_GAW_39_BITS)
959 LogRel(("HWACCM: MSR_IA32_VMX_EPT_CAPS_GAW_39_BITS\n"));
960 if (pVM->hwaccm.s.vmx.msr.vmx_eptcaps & MSR_IA32_VMX_EPT_CAPS_GAW_48_BITS)
961 LogRel(("HWACCM: MSR_IA32_VMX_EPT_CAPS_GAW_48_BITS\n"));
962 if (pVM->hwaccm.s.vmx.msr.vmx_eptcaps & MSR_IA32_VMX_EPT_CAPS_GAW_57_BITS)
963 LogRel(("HWACCM: MSR_IA32_VMX_EPT_CAPS_GAW_57_BITS\n"));
964 if (pVM->hwaccm.s.vmx.msr.vmx_eptcaps & MSR_IA32_VMX_EPT_CAPS_EMT_UC)
965 LogRel(("HWACCM: MSR_IA32_VMX_EPT_CAPS_EMT_UC\n"));
966 if (pVM->hwaccm.s.vmx.msr.vmx_eptcaps & MSR_IA32_VMX_EPT_CAPS_EMT_WC)
967 LogRel(("HWACCM: MSR_IA32_VMX_EPT_CAPS_EMT_WC\n"));
968 if (pVM->hwaccm.s.vmx.msr.vmx_eptcaps & MSR_IA32_VMX_EPT_CAPS_EMT_WT)
969 LogRel(("HWACCM: MSR_IA32_VMX_EPT_CAPS_EMT_WT\n"));
970 if (pVM->hwaccm.s.vmx.msr.vmx_eptcaps & MSR_IA32_VMX_EPT_CAPS_EMT_WP)
971 LogRel(("HWACCM: MSR_IA32_VMX_EPT_CAPS_EMT_WP\n"));
972 if (pVM->hwaccm.s.vmx.msr.vmx_eptcaps & MSR_IA32_VMX_EPT_CAPS_EMT_WB)
973 LogRel(("HWACCM: MSR_IA32_VMX_EPT_CAPS_EMT_WB\n"));
974 if (pVM->hwaccm.s.vmx.msr.vmx_eptcaps & MSR_IA32_VMX_EPT_CAPS_SP_21_BITS)
975 LogRel(("HWACCM: MSR_IA32_VMX_EPT_CAPS_SP_21_BITS\n"));
976 if (pVM->hwaccm.s.vmx.msr.vmx_eptcaps & MSR_IA32_VMX_EPT_CAPS_SP_30_BITS)
977 LogRel(("HWACCM: MSR_IA32_VMX_EPT_CAPS_SP_30_BITS\n"));
978 if (pVM->hwaccm.s.vmx.msr.vmx_eptcaps & MSR_IA32_VMX_EPT_CAPS_SP_39_BITS)
979 LogRel(("HWACCM: MSR_IA32_VMX_EPT_CAPS_SP_39_BITS\n"));
980 if (pVM->hwaccm.s.vmx.msr.vmx_eptcaps & MSR_IA32_VMX_EPT_CAPS_SP_48_BITS)
981 LogRel(("HWACCM: MSR_IA32_VMX_EPT_CAPS_SP_48_BITS\n"));
982 if (pVM->hwaccm.s.vmx.msr.vmx_eptcaps & MSR_IA32_VMX_EPT_CAPS_INVEPT)
983 LogRel(("HWACCM: MSR_IA32_VMX_EPT_CAPS_INVEPT\n"));
984 if (pVM->hwaccm.s.vmx.msr.vmx_eptcaps & MSR_IA32_VMX_EPT_CAPS_INVEPT_CAPS_INDIV)
985 LogRel(("HWACCM: MSR_IA32_VMX_EPT_CAPS_INVEPT_CAPS_INDIV\n"));
986 if (pVM->hwaccm.s.vmx.msr.vmx_eptcaps & MSR_IA32_VMX_EPT_CAPS_INVEPT_CAPS_CONTEXT)
987 LogRel(("HWACCM: MSR_IA32_VMX_EPT_CAPS_INVEPT_CAPS_CONTEXT\n"));
988 if (pVM->hwaccm.s.vmx.msr.vmx_eptcaps & MSR_IA32_VMX_EPT_CAPS_INVEPT_CAPS_ALL)
989 LogRel(("HWACCM: MSR_IA32_VMX_EPT_CAPS_INVEPT_CAPS_ALL\n"));
990 if (pVM->hwaccm.s.vmx.msr.vmx_eptcaps & MSR_IA32_VMX_EPT_CAPS_INVVPID)
991 LogRel(("HWACCM: MSR_IA32_VMX_EPT_CAPS_INVVPID\n"));
992 if (pVM->hwaccm.s.vmx.msr.vmx_eptcaps & MSR_IA32_VMX_EPT_CAPS_INVVPID_CAPS_INDIV)
993 LogRel(("HWACCM: MSR_IA32_VMX_EPT_CAPS_INVVPID_CAPS_INDIV\n"));
994 if (pVM->hwaccm.s.vmx.msr.vmx_eptcaps & MSR_IA32_VMX_EPT_CAPS_INVVPID_CAPS_CONTEXT)
995 LogRel(("HWACCM: MSR_IA32_VMX_EPT_CAPS_INVVPID_CAPS_CONTEXT\n"));
996 if (pVM->hwaccm.s.vmx.msr.vmx_eptcaps & MSR_IA32_VMX_EPT_CAPS_INVVPID_CAPS_ALL)
997 LogRel(("HWACCM: MSR_IA32_VMX_EPT_CAPS_INVVPID_CAPS_ALL\n"));
998 if (pVM->hwaccm.s.vmx.msr.vmx_eptcaps & MSR_IA32_VMX_EPT_CAPS_INVVPID_CAPS_CONTEXT_GLOBAL)
999 LogRel(("HWACCM: MSR_IA32_VMX_EPT_CAPS_INVVPID_CAPS_CONTEXT_GLOBAL\n"));
1000 }
1001
1002 LogRel(("HWACCM: MSR_IA32_VMX_MISC = %RX64\n", pVM->hwaccm.s.vmx.msr.vmx_misc));
1003 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)));
1004 LogRel(("HWACCM: MSR_IA32_VMX_MISC_ACTIVITY_STATES %x\n", MSR_IA32_VMX_MISC_ACTIVITY_STATES(pVM->hwaccm.s.vmx.msr.vmx_misc)));
1005 LogRel(("HWACCM: MSR_IA32_VMX_MISC_CR3_TARGET %x\n", MSR_IA32_VMX_MISC_CR3_TARGET(pVM->hwaccm.s.vmx.msr.vmx_misc)));
1006 LogRel(("HWACCM: MSR_IA32_VMX_MISC_MAX_MSR %x\n", MSR_IA32_VMX_MISC_MAX_MSR(pVM->hwaccm.s.vmx.msr.vmx_misc)));
1007 LogRel(("HWACCM: MSR_IA32_VMX_MISC_MSEG_ID %x\n", MSR_IA32_VMX_MISC_MSEG_ID(pVM->hwaccm.s.vmx.msr.vmx_misc)));
1008
1009 LogRel(("HWACCM: MSR_IA32_VMX_CR0_FIXED0 = %RX64\n", pVM->hwaccm.s.vmx.msr.vmx_cr0_fixed0));
1010 LogRel(("HWACCM: MSR_IA32_VMX_CR0_FIXED1 = %RX64\n", pVM->hwaccm.s.vmx.msr.vmx_cr0_fixed1));
1011 LogRel(("HWACCM: MSR_IA32_VMX_CR4_FIXED0 = %RX64\n", pVM->hwaccm.s.vmx.msr.vmx_cr4_fixed0));
1012 LogRel(("HWACCM: MSR_IA32_VMX_CR4_FIXED1 = %RX64\n", pVM->hwaccm.s.vmx.msr.vmx_cr4_fixed1));
1013 LogRel(("HWACCM: MSR_IA32_VMX_VMCS_ENUM = %RX64\n", pVM->hwaccm.s.vmx.msr.vmx_vmcs_enum));
1014
1015 LogRel(("HWACCM: TPR shadow physaddr = %RHp\n", pVM->hwaccm.s.vmx.pAPICPhys));
1016
1017 /* Paranoia */
1018 AssertRelease(MSR_IA32_VMX_MISC_MAX_MSR(pVM->hwaccm.s.vmx.msr.vmx_misc) >= 512);
1019
1020 for (VMCPUID i = 0; i < pVM->cCpus; i++)
1021 {
1022 LogRel(("HWACCM: VCPU%d: MSR bitmap physaddr = %RHp\n", i, pVM->aCpus[i].hwaccm.s.vmx.pMSRBitmapPhys));
1023 LogRel(("HWACCM: VCPU%d: VMCS physaddr = %RHp\n", i, pVM->aCpus[i].hwaccm.s.vmx.pVMCSPhys));
1024 }
1025
1026#ifdef HWACCM_VTX_WITH_EPT
1027 if (pVM->hwaccm.s.vmx.msr.vmx_proc_ctls2.n.allowed1 & VMX_VMCS_CTRL_PROC_EXEC2_EPT)
1028 pVM->hwaccm.s.fNestedPaging = pVM->hwaccm.s.fAllowNestedPaging;
1029#endif /* HWACCM_VTX_WITH_EPT */
1030#ifdef HWACCM_VTX_WITH_VPID
1031 if ( (pVM->hwaccm.s.vmx.msr.vmx_proc_ctls2.n.allowed1 & VMX_VMCS_CTRL_PROC_EXEC2_VPID)
1032 && !pVM->hwaccm.s.fNestedPaging) /* VPID and EPT are mutually exclusive. */
1033 pVM->hwaccm.s.vmx.fVPID = pVM->hwaccm.s.vmx.fAllowVPID;
1034#endif /* HWACCM_VTX_WITH_VPID */
1035
1036 /* Unrestricted guest execution relies on EPT. */
1037 if ( pVM->hwaccm.s.fNestedPaging
1038 && (pVM->hwaccm.s.vmx.msr.vmx_proc_ctls2.n.allowed1 & VMX_VMCS_CTRL_PROC_EXEC2_REAL_MODE))
1039 {
1040 pVM->hwaccm.s.vmx.fUnrestrictedGuest = true;
1041 }
1042
1043 /* Only try once. */
1044 pVM->hwaccm.s.fInitialized = true;
1045
1046 if (!pVM->hwaccm.s.vmx.fUnrestrictedGuest)
1047 {
1048 /* Allocate three pages for the TSS we need for real mode emulation. (2 pages for the IO bitmap) */
1049 rc = PDMR3VMMDevHeapAlloc(pVM, HWACCM_VTX_TOTAL_DEVHEAP_MEM, (RTR3PTR *)&pVM->hwaccm.s.vmx.pRealModeTSS);
1050 if (RT_SUCCESS(rc))
1051 {
1052 /* The I/O bitmap starts right after the virtual interrupt redirection bitmap. */
1053 ASMMemZero32(pVM->hwaccm.s.vmx.pRealModeTSS, sizeof(*pVM->hwaccm.s.vmx.pRealModeTSS));
1054 pVM->hwaccm.s.vmx.pRealModeTSS->offIoBitmap = sizeof(*pVM->hwaccm.s.vmx.pRealModeTSS);
1055 /* Bit set to 0 means redirection enabled. */
1056 memset(pVM->hwaccm.s.vmx.pRealModeTSS->IntRedirBitmap, 0x0, sizeof(pVM->hwaccm.s.vmx.pRealModeTSS->IntRedirBitmap));
1057 /* Allow all port IO, so the VT-x IO intercepts do their job. */
1058 memset(pVM->hwaccm.s.vmx.pRealModeTSS + 1, 0, PAGE_SIZE*2);
1059 *((unsigned char *)pVM->hwaccm.s.vmx.pRealModeTSS + HWACCM_VTX_TSS_SIZE - 2) = 0xff;
1060
1061 /* Construct a 1024 element page directory with 4 MB pages for the identity mapped page table used in
1062 * real and protected mode without paging with EPT.
1063 */
1064 pVM->hwaccm.s.vmx.pNonPagingModeEPTPageTable = (PX86PD)((char *)pVM->hwaccm.s.vmx.pRealModeTSS + PAGE_SIZE * 3);
1065 for (unsigned i=0;i<X86_PG_ENTRIES;i++)
1066 {
1067 pVM->hwaccm.s.vmx.pNonPagingModeEPTPageTable->a[i].u = _4M * i;
1068 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;
1069 }
1070
1071 /* We convert it here every time as pci regions could be reconfigured. */
1072 rc = PDMVMMDevHeapR3ToGCPhys(pVM, pVM->hwaccm.s.vmx.pRealModeTSS, &GCPhys);
1073 AssertRC(rc);
1074 LogRel(("HWACCM: Real Mode TSS guest physaddr = %RGp\n", GCPhys));
1075
1076 rc = PDMVMMDevHeapR3ToGCPhys(pVM, pVM->hwaccm.s.vmx.pNonPagingModeEPTPageTable, &GCPhys);
1077 AssertRC(rc);
1078 LogRel(("HWACCM: Non-Paging Mode EPT CR3 = %RGp\n", GCPhys));
1079 }
1080 else
1081 {
1082 LogRel(("HWACCM: No real mode VT-x support (PDMR3VMMDevHeapAlloc returned %Rrc)\n", rc));
1083 pVM->hwaccm.s.vmx.pRealModeTSS = NULL;
1084 pVM->hwaccm.s.vmx.pNonPagingModeEPTPageTable = NULL;
1085 }
1086 }
1087
1088 rc = SUPR3CallVMMR0Ex(pVM->pVMR0, 0 /*idCpu*/, VMMR0_DO_HWACC_SETUP_VM, 0, NULL);
1089 AssertRC(rc);
1090 if (rc == VINF_SUCCESS)
1091 {
1092 pVM->fHWACCMEnabled = true;
1093 pVM->hwaccm.s.vmx.fEnabled = true;
1094 hwaccmR3DisableRawMode(pVM);
1095
1096 CPUMSetGuestCpuIdFeature(pVM, CPUMCPUIDFEATURE_SEP);
1097#ifdef VBOX_ENABLE_64_BITS_GUESTS
1098 if (pVM->hwaccm.s.fAllow64BitGuests)
1099 {
1100 CPUMSetGuestCpuIdFeature(pVM, CPUMCPUIDFEATURE_PAE);
1101 CPUMSetGuestCpuIdFeature(pVM, CPUMCPUIDFEATURE_LONG_MODE);
1102 CPUMSetGuestCpuIdFeature(pVM, CPUMCPUIDFEATURE_SYSCALL); /* 64 bits only on Intel CPUs */
1103 CPUMSetGuestCpuIdFeature(pVM, CPUMCPUIDFEATURE_LAHF);
1104 CPUMSetGuestCpuIdFeature(pVM, CPUMCPUIDFEATURE_NXE);
1105 }
1106 LogRel((pVM->hwaccm.s.fAllow64BitGuests
1107 ? "HWACCM: 32-bit and 64-bit guests supported.\n"
1108 : "HWACCM: 32-bit guests supported.\n"));
1109#else
1110 LogRel(("HWACCM: 32-bit guests supported.\n"));
1111#endif
1112 LogRel(("HWACCM: VMX enabled!\n"));
1113 if (pVM->hwaccm.s.fNestedPaging)
1114 {
1115 LogRel(("HWACCM: Enabled nested paging\n"));
1116 LogRel(("HWACCM: EPT root page = %RHp\n", PGMGetHyperCR3(VMMGetCpu(pVM))));
1117 if (pVM->hwaccm.s.vmx.fUnrestrictedGuest)
1118 LogRel(("HWACCM: Unrestricted guest execution enabled!\n"));
1119 }
1120 else
1121 Assert(!pVM->hwaccm.s.vmx.fUnrestrictedGuest);
1122
1123 if (pVM->hwaccm.s.vmx.fVPID)
1124 LogRel(("HWACCM: Enabled VPID\n"));
1125
1126 if ( pVM->hwaccm.s.fNestedPaging
1127 || pVM->hwaccm.s.vmx.fVPID)
1128 {
1129 LogRel(("HWACCM: enmFlushPage %d\n", pVM->hwaccm.s.vmx.enmFlushPage));
1130 LogRel(("HWACCM: enmFlushContext %d\n", pVM->hwaccm.s.vmx.enmFlushContext));
1131 }
1132
1133 /* TPR patching status logging. */
1134 if (pVM->hwaccm.s.fTRPPatchingAllowed)
1135 {
1136 if ( (pVM->hwaccm.s.vmx.msr.vmx_proc_ctls.n.allowed1 & VMX_VMCS_CTRL_PROC_EXEC_USE_SECONDARY_EXEC_CTRL)
1137 && (pVM->hwaccm.s.vmx.msr.vmx_proc_ctls2.n.allowed1 & VMX_VMCS_CTRL_PROC_EXEC2_VIRT_APIC))
1138 {
1139 pVM->hwaccm.s.fTRPPatchingAllowed = false; /* not necessary as we have a hardware solution. */
1140 LogRel(("HWACCM: TPR Patching not required (VMX_VMCS_CTRL_PROC_EXEC2_VIRT_APIC).\n"));
1141 }
1142 else
1143 {
1144 uint32_t u32Eax, u32Dummy;
1145
1146 /* TPR patching needs access to the MSR_K8_LSTAR msr. */
1147 ASMCpuId(0x80000000, &u32Eax, &u32Dummy, &u32Dummy, &u32Dummy);
1148 if ( u32Eax < 0x80000001
1149 || !(ASMCpuId_EDX(0x80000001) & X86_CPUID_AMD_FEATURE_EDX_LONG_MODE))
1150 {
1151 pVM->hwaccm.s.fTRPPatchingAllowed = false;
1152 LogRel(("HWACCM: TPR patching disabled (long mode not supported).\n"));
1153 }
1154 }
1155 }
1156 LogRel(("HWACCM: TPR Patching %s.\n", (pVM->hwaccm.s.fTRPPatchingAllowed) ? "enabled" : "disabled"));
1157 }
1158 else
1159 {
1160 LogRel(("HWACCM: VMX setup failed with rc=%Rrc!\n", rc));
1161 LogRel(("HWACCM: Last instruction error %x\n", pVM->aCpus[0].hwaccm.s.vmx.lasterror.ulInstrError));
1162 pVM->fHWACCMEnabled = false;
1163 }
1164 }
1165 }
1166 else
1167 if (pVM->hwaccm.s.svm.fSupported)
1168 {
1169 Log(("pVM->hwaccm.s.svm.fSupported = %d\n", pVM->hwaccm.s.svm.fSupported));
1170
1171 if (pVM->hwaccm.s.fInitialized == false)
1172 {
1173 /* Erratum 170 which requires a forced TLB flush for each world switch:
1174 * See http://www.amd.com/us-en/assets/content_type/white_papers_and_tech_docs/33610.pdf
1175 *
1176 * All BH-G1/2 and DH-G1/2 models include a fix:
1177 * Athlon X2: 0x6b 1/2
1178 * 0x68 1/2
1179 * Athlon 64: 0x7f 1
1180 * 0x6f 2
1181 * Sempron: 0x7f 1/2
1182 * 0x6f 2
1183 * 0x6c 2
1184 * 0x7c 2
1185 * Turion 64: 0x68 2
1186 *
1187 */
1188 uint32_t u32Dummy;
1189 uint32_t u32Version, u32Family, u32Model, u32Stepping, u32BaseFamily;
1190 ASMCpuId(1, &u32Version, &u32Dummy, &u32Dummy, &u32Dummy);
1191 u32BaseFamily= (u32Version >> 8) & 0xf;
1192 u32Family = u32BaseFamily + (u32BaseFamily == 0xf ? ((u32Version >> 20) & 0x7f) : 0);
1193 u32Model = ((u32Version >> 4) & 0xf);
1194 u32Model = u32Model | ((u32BaseFamily == 0xf ? (u32Version >> 16) & 0x0f : 0) << 4);
1195 u32Stepping = u32Version & 0xf;
1196 if ( u32Family == 0xf
1197 && !((u32Model == 0x68 || u32Model == 0x6b || u32Model == 0x7f) && u32Stepping >= 1)
1198 && !((u32Model == 0x6f || u32Model == 0x6c || u32Model == 0x7c) && u32Stepping >= 2))
1199 {
1200 LogRel(("HWACMM: AMD cpu with erratum 170 family %x model %x stepping %x\n", u32Family, u32Model, u32Stepping));
1201 }
1202
1203 LogRel(("HWACMM: cpuid 0x80000001.u32AMDFeatureECX = %RX32\n", pVM->hwaccm.s.cpuid.u32AMDFeatureECX));
1204 LogRel(("HWACMM: cpuid 0x80000001.u32AMDFeatureEDX = %RX32\n", pVM->hwaccm.s.cpuid.u32AMDFeatureEDX));
1205 LogRel(("HWACCM: AMD HWCR MSR = %RX64\n", pVM->hwaccm.s.svm.msrHWCR));
1206 LogRel(("HWACCM: AMD-V revision = %X\n", pVM->hwaccm.s.svm.u32Rev));
1207 LogRel(("HWACCM: AMD-V max ASID = %d\n", pVM->hwaccm.s.uMaxASID));
1208 LogRel(("HWACCM: AMD-V features = %X\n", pVM->hwaccm.s.svm.u32Features));
1209
1210 if (pVM->hwaccm.s.svm.u32Features & AMD_CPUID_SVM_FEATURE_EDX_NESTED_PAGING)
1211 LogRel(("HWACCM: AMD_CPUID_SVM_FEATURE_EDX_NESTED_PAGING\n"));
1212 if (pVM->hwaccm.s.svm.u32Features & AMD_CPUID_SVM_FEATURE_EDX_LBR_VIRT)
1213 LogRel(("HWACCM: AMD_CPUID_SVM_FEATURE_EDX_LBR_VIRT\n"));
1214 if (pVM->hwaccm.s.svm.u32Features & AMD_CPUID_SVM_FEATURE_EDX_SVM_LOCK)
1215 LogRel(("HWACCM: AMD_CPUID_SVM_FEATURE_EDX_SVM_LOCK\n"));
1216 if (pVM->hwaccm.s.svm.u32Features & AMD_CPUID_SVM_FEATURE_EDX_NRIP_SAVE)
1217 LogRel(("HWACCM: AMD_CPUID_SVM_FEATURE_EDX_NRIP_SAVE\n"));
1218 if (pVM->hwaccm.s.svm.u32Features & AMD_CPUID_SVM_FEATURE_EDX_SSE_3_5_DISABLE)
1219 LogRel(("HWACCM: AMD_CPUID_SVM_FEATURE_EDX_SSE_3_5_DISABLE\n"));
1220 if (pVM->hwaccm.s.svm.u32Features & AMD_CPUID_SVM_FEATURE_EDX_PAUSE_FILTER)
1221 LogRel(("HWACCM: AMD_CPUID_SVM_FEATURE_EDX_PAUSE_FILTER\n"));
1222
1223 /* Only try once. */
1224 pVM->hwaccm.s.fInitialized = true;
1225
1226 if (pVM->hwaccm.s.svm.u32Features & AMD_CPUID_SVM_FEATURE_EDX_NESTED_PAGING)
1227 pVM->hwaccm.s.fNestedPaging = pVM->hwaccm.s.fAllowNestedPaging;
1228
1229 rc = SUPR3CallVMMR0Ex(pVM->pVMR0, 0 /*idCpu*/, VMMR0_DO_HWACC_SETUP_VM, 0, NULL);
1230 AssertRC(rc);
1231 if (rc == VINF_SUCCESS)
1232 {
1233 pVM->fHWACCMEnabled = true;
1234 pVM->hwaccm.s.svm.fEnabled = true;
1235
1236 if (pVM->hwaccm.s.fNestedPaging)
1237 LogRel(("HWACCM: Enabled nested paging\n"));
1238
1239 hwaccmR3DisableRawMode(pVM);
1240 CPUMSetGuestCpuIdFeature(pVM, CPUMCPUIDFEATURE_SEP);
1241 CPUMSetGuestCpuIdFeature(pVM, CPUMCPUIDFEATURE_SYSCALL);
1242 CPUMSetGuestCpuIdFeature(pVM, CPUMCPUIDFEATURE_RDTSCP);
1243#ifdef VBOX_ENABLE_64_BITS_GUESTS
1244 if (pVM->hwaccm.s.fAllow64BitGuests)
1245 {
1246 CPUMSetGuestCpuIdFeature(pVM, CPUMCPUIDFEATURE_PAE);
1247 CPUMSetGuestCpuIdFeature(pVM, CPUMCPUIDFEATURE_LONG_MODE);
1248 CPUMSetGuestCpuIdFeature(pVM, CPUMCPUIDFEATURE_NXE);
1249 CPUMSetGuestCpuIdFeature(pVM, CPUMCPUIDFEATURE_LAHF);
1250 }
1251#endif
1252 LogRel((pVM->hwaccm.s.fAllow64BitGuests
1253 ? "HWACCM: 32-bit and 64-bit guest supported.\n"
1254 : "HWACCM: 32-bit guest supported.\n"));
1255
1256 LogRel(("HWACCM: TPR Patching %s.\n", (pVM->hwaccm.s.fTRPPatchingAllowed) ? "enabled" : "disabled"));
1257 }
1258 else
1259 {
1260 pVM->fHWACCMEnabled = false;
1261 }
1262 }
1263 }
1264 if (pVM->fHWACCMEnabled)
1265 LogRel(("HWACCM: VT-x/AMD-V init method: %s\n", (pVM->hwaccm.s.fGlobalInit) ? "GLOBAL" : "LOCAL"));
1266 return VINF_SUCCESS;
1267}
1268
1269/**
1270 * Applies relocations to data and code managed by this
1271 * component. This function will be called at init and
1272 * whenever the VMM need to relocate it self inside the GC.
1273 *
1274 * @param pVM The VM.
1275 */
1276VMMR3DECL(void) HWACCMR3Relocate(PVM pVM)
1277{
1278 Log(("HWACCMR3Relocate to %RGv\n", MMHyperGetArea(pVM, 0)));
1279
1280 /* Fetch the current paging mode during the relocate callback during state loading. */
1281 if (VMR3GetState(pVM) == VMSTATE_LOADING)
1282 {
1283 for (VMCPUID i = 0; i < pVM->cCpus; i++)
1284 {
1285 PVMCPU pVCpu = &pVM->aCpus[i];
1286
1287 pVCpu->hwaccm.s.enmShadowMode = PGMGetShadowMode(pVCpu);
1288 Assert(pVCpu->hwaccm.s.vmx.enmCurrGuestMode == PGMGetGuestMode(pVCpu));
1289 pVCpu->hwaccm.s.vmx.enmCurrGuestMode = PGMGetGuestMode(pVCpu);
1290 }
1291 }
1292#if HC_ARCH_BITS == 32 && defined(VBOX_ENABLE_64_BITS_GUESTS) && !defined(VBOX_WITH_HYBRID_32BIT_KERNEL)
1293 if (pVM->fHWACCMEnabled)
1294 {
1295 int rc;
1296
1297 switch(PGMGetHostMode(pVM))
1298 {
1299 case PGMMODE_32_BIT:
1300 pVM->hwaccm.s.pfnHost32ToGuest64R0 = VMMR3GetHostToGuestSwitcher(pVM, VMMSWITCHER_32_TO_AMD64);
1301 break;
1302
1303 case PGMMODE_PAE:
1304 case PGMMODE_PAE_NX:
1305 pVM->hwaccm.s.pfnHost32ToGuest64R0 = VMMR3GetHostToGuestSwitcher(pVM, VMMSWITCHER_PAE_TO_AMD64);
1306 break;
1307
1308 default:
1309 AssertFailed();
1310 break;
1311 }
1312 rc = PDMR3LdrGetSymbolRC(pVM, NULL, "VMXGCStartVM64", &pVM->hwaccm.s.pfnVMXGCStartVM64);
1313 AssertReleaseMsgRC(rc, ("VMXGCStartVM64 -> rc=%Rrc\n", rc));
1314
1315 rc = PDMR3LdrGetSymbolRC(pVM, NULL, "SVMGCVMRun64", &pVM->hwaccm.s.pfnSVMGCVMRun64);
1316 AssertReleaseMsgRC(rc, ("SVMGCVMRun64 -> rc=%Rrc\n", rc));
1317
1318 rc = PDMR3LdrGetSymbolRC(pVM, NULL, "HWACCMSaveGuestFPU64", &pVM->hwaccm.s.pfnSaveGuestFPU64);
1319 AssertReleaseMsgRC(rc, ("HWACCMSetupFPU64 -> rc=%Rrc\n", rc));
1320
1321 rc = PDMR3LdrGetSymbolRC(pVM, NULL, "HWACCMSaveGuestDebug64", &pVM->hwaccm.s.pfnSaveGuestDebug64);
1322 AssertReleaseMsgRC(rc, ("HWACCMSetupDebug64 -> rc=%Rrc\n", rc));
1323
1324# ifdef DEBUG
1325 rc = PDMR3LdrGetSymbolRC(pVM, NULL, "HWACCMTestSwitcher64", &pVM->hwaccm.s.pfnTest64);
1326 AssertReleaseMsgRC(rc, ("HWACCMTestSwitcher64 -> rc=%Rrc\n", rc));
1327# endif
1328 }
1329#endif
1330 return;
1331}
1332
1333/**
1334 * Checks hardware accelerated raw mode is allowed.
1335 *
1336 * @returns boolean
1337 * @param pVM The VM to operate on.
1338 */
1339VMMR3DECL(bool) HWACCMR3IsAllowed(PVM pVM)
1340{
1341 return pVM->hwaccm.s.fAllowed;
1342}
1343
1344/**
1345 * Notification callback which is called whenever there is a chance that a CR3
1346 * value might have changed.
1347 *
1348 * This is called by PGM.
1349 *
1350 * @param pVM The VM to operate on.
1351 * @param pVCpu The VMCPU to operate on.
1352 * @param enmShadowMode New shadow paging mode.
1353 * @param enmGuestMode New guest paging mode.
1354 */
1355VMMR3DECL(void) HWACCMR3PagingModeChanged(PVM pVM, PVMCPU pVCpu, PGMMODE enmShadowMode, PGMMODE enmGuestMode)
1356{
1357 /* Ignore page mode changes during state loading. */
1358 if (VMR3GetState(pVCpu->pVMR3) == VMSTATE_LOADING)
1359 return;
1360
1361 pVCpu->hwaccm.s.enmShadowMode = enmShadowMode;
1362
1363 if ( pVM->hwaccm.s.vmx.fEnabled
1364 && pVM->fHWACCMEnabled)
1365 {
1366 if ( pVCpu->hwaccm.s.vmx.enmLastSeenGuestMode == PGMMODE_REAL
1367 && enmGuestMode >= PGMMODE_PROTECTED)
1368 {
1369 PCPUMCTX pCtx;
1370
1371 pCtx = CPUMQueryGuestCtxPtr(pVCpu);
1372
1373 /* After a real mode switch to protected mode we must force
1374 * CPL to 0. Our real mode emulation had to set it to 3.
1375 */
1376 pCtx->ssHid.Attr.n.u2Dpl = 0;
1377 }
1378 }
1379
1380 if (pVCpu->hwaccm.s.vmx.enmCurrGuestMode != enmGuestMode)
1381 {
1382 /* Keep track of paging mode changes. */
1383 pVCpu->hwaccm.s.vmx.enmPrevGuestMode = pVCpu->hwaccm.s.vmx.enmCurrGuestMode;
1384 pVCpu->hwaccm.s.vmx.enmCurrGuestMode = enmGuestMode;
1385
1386 /* Did we miss a change, because all code was executed in the recompiler? */
1387 if (pVCpu->hwaccm.s.vmx.enmLastSeenGuestMode == enmGuestMode)
1388 {
1389 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)));
1390 pVCpu->hwaccm.s.vmx.enmLastSeenGuestMode = pVCpu->hwaccm.s.vmx.enmPrevGuestMode;
1391 }
1392 }
1393
1394 /* Reset the contents of the read cache. */
1395 PVMCSCACHE pCache = &pVCpu->hwaccm.s.vmx.VMCSCache;
1396 for (unsigned j=0;j<pCache->Read.cValidEntries;j++)
1397 pCache->Read.aFieldVal[j] = 0;
1398}
1399
1400/**
1401 * Terminates the HWACCM.
1402 *
1403 * Termination means cleaning up and freeing all resources,
1404 * the VM it self is at this point powered off or suspended.
1405 *
1406 * @returns VBox status code.
1407 * @param pVM The VM to operate on.
1408 */
1409VMMR3DECL(int) HWACCMR3Term(PVM pVM)
1410{
1411 if (pVM->hwaccm.s.vmx.pRealModeTSS)
1412 {
1413 PDMR3VMMDevHeapFree(pVM, pVM->hwaccm.s.vmx.pRealModeTSS);
1414 pVM->hwaccm.s.vmx.pRealModeTSS = 0;
1415 }
1416 HWACCMR3TermCPU(pVM);
1417 return 0;
1418}
1419
1420/**
1421 * Terminates the per-VCPU HWACCM.
1422 *
1423 * Termination means cleaning up and freeing all resources,
1424 * the VM it self is at this point powered off or suspended.
1425 *
1426 * @returns VBox status code.
1427 * @param pVM The VM to operate on.
1428 */
1429VMMR3DECL(int) HWACCMR3TermCPU(PVM pVM)
1430{
1431 for (VMCPUID i = 0; i < pVM->cCpus; i++)
1432 {
1433 PVMCPU pVCpu = &pVM->aCpus[i];
1434
1435#ifdef VBOX_WITH_STATISTICS
1436 if (pVCpu->hwaccm.s.paStatExitReason)
1437 {
1438 MMHyperFree(pVM, pVCpu->hwaccm.s.paStatExitReason);
1439 pVCpu->hwaccm.s.paStatExitReason = NULL;
1440 pVCpu->hwaccm.s.paStatExitReasonR0 = NIL_RTR0PTR;
1441 }
1442 if (pVCpu->hwaccm.s.paStatInjectedIrqs)
1443 {
1444 MMHyperFree(pVM, pVCpu->hwaccm.s.paStatInjectedIrqs);
1445 pVCpu->hwaccm.s.paStatInjectedIrqs = NULL;
1446 pVCpu->hwaccm.s.paStatInjectedIrqsR0 = NIL_RTR0PTR;
1447 }
1448#endif
1449
1450#ifdef VBOX_WITH_CRASHDUMP_MAGIC
1451 memset(pVCpu->hwaccm.s.vmx.VMCSCache.aMagic, 0, sizeof(pVCpu->hwaccm.s.vmx.VMCSCache.aMagic));
1452 pVCpu->hwaccm.s.vmx.VMCSCache.uMagic = 0;
1453 pVCpu->hwaccm.s.vmx.VMCSCache.uPos = 0xffffffff;
1454#endif
1455 }
1456 return 0;
1457}
1458
1459/**
1460 * Resets a virtual CPU.
1461 *
1462 * Used by HWACCMR3Reset and CPU hot plugging.
1463 *
1464 * @param pVCpu The CPU to reset.
1465 */
1466VMMR3DECL(void) HWACCMR3ResetCpu(PVMCPU pVCpu)
1467{
1468 /* On first entry we'll sync everything. */
1469 pVCpu->hwaccm.s.fContextUseFlags = HWACCM_CHANGED_ALL;
1470
1471 pVCpu->hwaccm.s.vmx.cr0_mask = 0;
1472 pVCpu->hwaccm.s.vmx.cr4_mask = 0;
1473
1474 pVCpu->hwaccm.s.fActive = false;
1475 pVCpu->hwaccm.s.Event.fPending = false;
1476
1477 /* Reset state information for real-mode emulation in VT-x. */
1478 pVCpu->hwaccm.s.vmx.enmLastSeenGuestMode = PGMMODE_REAL;
1479 pVCpu->hwaccm.s.vmx.enmPrevGuestMode = PGMMODE_REAL;
1480 pVCpu->hwaccm.s.vmx.enmCurrGuestMode = PGMMODE_REAL;
1481
1482 /* Reset the contents of the read cache. */
1483 PVMCSCACHE pCache = &pVCpu->hwaccm.s.vmx.VMCSCache;
1484 for (unsigned j=0;j<pCache->Read.cValidEntries;j++)
1485 pCache->Read.aFieldVal[j] = 0;
1486
1487#ifdef VBOX_WITH_CRASHDUMP_MAGIC
1488 /* Magic marker for searching in crash dumps. */
1489 strcpy((char *)pCache->aMagic, "VMCSCACHE Magic");
1490 pCache->uMagic = UINT64_C(0xDEADBEEFDEADBEEF);
1491#endif
1492}
1493
1494/**
1495 * The VM is being reset.
1496 *
1497 * For the HWACCM component this means that any GDT/LDT/TSS monitors
1498 * needs to be removed.
1499 *
1500 * @param pVM VM handle.
1501 */
1502VMMR3DECL(void) HWACCMR3Reset(PVM pVM)
1503{
1504 LogFlow(("HWACCMR3Reset:\n"));
1505
1506 if (pVM->fHWACCMEnabled)
1507 hwaccmR3DisableRawMode(pVM);
1508
1509 for (VMCPUID i = 0; i < pVM->cCpus; i++)
1510 {
1511 PVMCPU pVCpu = &pVM->aCpus[i];
1512
1513 HWACCMR3ResetCpu(pVCpu);
1514 }
1515
1516 /* Clear all patch information. */
1517 pVM->hwaccm.s.pGuestPatchMem = 0;
1518 pVM->hwaccm.s.pFreeGuestPatchMem = 0;
1519 pVM->hwaccm.s.cbGuestPatchMem = 0;
1520 pVM->hwaccm.s.cPatches = 0;
1521 pVM->hwaccm.s.PatchTree = 0;
1522 pVM->hwaccm.s.fTPRPatchingActive = false;
1523 ASMMemZero32(pVM->hwaccm.s.aPatches, sizeof(pVM->hwaccm.s.aPatches));
1524}
1525
1526/**
1527 * Callback to patch a TPR instruction (vmmcall or mov cr8)
1528 *
1529 * @returns VBox strict status code.
1530 * @param pVM The VM handle.
1531 * @param pVCpu The VMCPU for the EMT we're being called on.
1532 * @param pvUser Unused
1533 *
1534 */
1535DECLCALLBACK(VBOXSTRICTRC) hwaccmR3RemovePatches(PVM pVM, PVMCPU pVCpu, void *pvUser)
1536{
1537 VMCPUID idCpu = (VMCPUID)(uintptr_t)pvUser;
1538
1539 /* Only execute the handler on the VCPU the original patch request was issued. */
1540 if (pVCpu->idCpu != idCpu)
1541 return VINF_SUCCESS;
1542
1543 Log(("hwaccmR3RemovePatches\n"));
1544 for (unsigned i = 0; i < pVM->hwaccm.s.cPatches; i++)
1545 {
1546 uint8_t szInstr[15];
1547 PHWACCMTPRPATCH pPatch = &pVM->hwaccm.s.aPatches[i];
1548 RTGCPTR pInstrGC = (RTGCPTR)pPatch->Core.Key;
1549 int rc;
1550
1551#ifdef LOG_ENABLED
1552 char szOutput[256];
1553
1554 rc = DBGFR3DisasInstrEx(pVM, pVCpu->idCpu, CPUMGetGuestCS(pVCpu), pInstrGC, 0, szOutput, sizeof(szOutput), 0);
1555 if (VBOX_SUCCESS(rc))
1556 Log(("Patched instr: %s\n", szOutput));
1557#endif
1558
1559 /* Check if the instruction is still the same. */
1560 rc = PGMPhysSimpleReadGCPtr(pVCpu, szInstr, pInstrGC, pPatch->cbNewOp);
1561 if (rc != VINF_SUCCESS)
1562 {
1563 Log(("Patched code removed? (rc=%Rrc0\n", rc));
1564 continue; /* swapped out or otherwise removed; skip it. */
1565 }
1566
1567 if (memcmp(szInstr, pPatch->aNewOpcode, pPatch->cbNewOp))
1568 {
1569 Log(("Patched instruction was changed! (rc=%Rrc0\n", rc));
1570 continue; /* skip it. */
1571 }
1572
1573 rc = PGMPhysSimpleWriteGCPtr(pVCpu, pInstrGC, pPatch->aOpcode, pPatch->cbOp);
1574 AssertRC(rc);
1575
1576#ifdef LOG_ENABLED
1577 rc = DBGFR3DisasInstrEx(pVM, pVCpu->idCpu, CPUMGetGuestCS(pVCpu), pInstrGC, 0, szOutput, sizeof(szOutput), 0);
1578 if (VBOX_SUCCESS(rc))
1579 Log(("Original instr: %s\n", szOutput));
1580#endif
1581 }
1582 pVM->hwaccm.s.cPatches = 0;
1583 pVM->hwaccm.s.PatchTree = 0;
1584 pVM->hwaccm.s.pFreeGuestPatchMem = pVM->hwaccm.s.pGuestPatchMem;
1585 pVM->hwaccm.s.fTPRPatchingActive = false;
1586 return VINF_SUCCESS;
1587}
1588
1589/**
1590 * Enable patching in a VT-x/AMD-V guest
1591 *
1592 * @returns VBox status code.
1593 * @param pVM The VM to operate on.
1594 * @param idCpu VCPU to execute hwaccmR3RemovePatches on
1595 * @param pPatchMem Patch memory range
1596 * @param cbPatchMem Size of the memory range
1597 */
1598int hwaccmR3EnablePatching(PVM pVM, VMCPUID idCpu, RTRCPTR pPatchMem, unsigned cbPatchMem)
1599{
1600 int rc = VMMR3EmtRendezvous(pVM, VMMEMTRENDEZVOUS_FLAGS_TYPE_ONE_BY_ONE, hwaccmR3RemovePatches, (void *)idCpu);
1601 AssertRC(rc);
1602
1603 pVM->hwaccm.s.pGuestPatchMem = pPatchMem;
1604 pVM->hwaccm.s.pFreeGuestPatchMem = pPatchMem;
1605 pVM->hwaccm.s.cbGuestPatchMem = cbPatchMem;
1606 return VINF_SUCCESS;
1607}
1608
1609/**
1610 * Enable patching in a VT-x/AMD-V guest
1611 *
1612 * @returns VBox status code.
1613 * @param pVM The VM to operate on.
1614 * @param pPatchMem Patch memory range
1615 * @param cbPatchMem Size of the memory range
1616 */
1617VMMR3DECL(int) HWACMMR3EnablePatching(PVM pVM, RTGCPTR pPatchMem, unsigned cbPatchMem)
1618{
1619 Log(("HWACMMR3EnablePatching %RGv size %x\n", pPatchMem, cbPatchMem));
1620 if (pVM->cCpus > 1)
1621 {
1622 /* We own the IOM lock here and could cause a deadlock by waiting for a VCPU that is blocking on the IOM lock. */
1623 int rc = VMR3ReqCallNoWaitU(pVM->pUVM, VMCPUID_ANY_QUEUE,
1624 (PFNRT)hwaccmR3EnablePatching, 4, pVM, VMMGetCpuId(pVM), (RTRCPTR)pPatchMem, cbPatchMem);
1625 AssertRC(rc);
1626 return rc;
1627 }
1628 return hwaccmR3EnablePatching(pVM, VMMGetCpuId(pVM), (RTRCPTR)pPatchMem, cbPatchMem);
1629}
1630
1631/**
1632 * Disable patching in a VT-x/AMD-V guest
1633 *
1634 * @returns VBox status code.
1635 * @param pVM The VM to operate on.
1636 * @param pPatchMem Patch memory range
1637 * @param cbPatchMem Size of the memory range
1638 */
1639VMMR3DECL(int) HWACMMR3DisablePatching(PVM pVM, RTGCPTR pPatchMem, unsigned cbPatchMem)
1640{
1641 Log(("HWACMMR3DisablePatching %RGv size %x\n", pPatchMem, cbPatchMem));
1642
1643 Assert(pVM->hwaccm.s.pGuestPatchMem == pPatchMem);
1644 Assert(pVM->hwaccm.s.cbGuestPatchMem == cbPatchMem);
1645
1646 /* @todo Potential deadlock when other VCPUs are waiting on the IOM lock (we own it)!! */
1647 int rc = VMMR3EmtRendezvous(pVM, VMMEMTRENDEZVOUS_FLAGS_TYPE_ONE_BY_ONE, hwaccmR3RemovePatches, (void *)VMMGetCpuId(pVM));
1648 AssertRC(rc);
1649
1650 pVM->hwaccm.s.pGuestPatchMem = 0;
1651 pVM->hwaccm.s.pFreeGuestPatchMem = 0;
1652 pVM->hwaccm.s.cbGuestPatchMem = 0;
1653 pVM->hwaccm.s.fTPRPatchingActive = false;
1654 return VINF_SUCCESS;
1655}
1656
1657
1658/**
1659 * Callback to patch a TPR instruction (vmmcall or mov cr8)
1660 *
1661 * @returns VBox strict status code.
1662 * @param pVM The VM handle.
1663 * @param pVCpu The VMCPU for the EMT we're being called on.
1664 * @param pvUser User specified CPU context
1665 *
1666 */
1667DECLCALLBACK(VBOXSTRICTRC) hwaccmR3ReplaceTprInstr(PVM pVM, PVMCPU pVCpu, void *pvUser)
1668{
1669 VMCPUID idCpu = (VMCPUID)(uintptr_t)pvUser;
1670 PCPUMCTX pCtx = CPUMQueryGuestCtxPtr(pVCpu);
1671 PDISCPUSTATE pDis = &pVCpu->hwaccm.s.DisState;
1672 unsigned cbOp;
1673
1674 /* 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) */
1675 if (pVCpu->idCpu != idCpu)
1676 return VINF_SUCCESS;
1677
1678 Log(("hwaccmR3ReplaceTprInstr: %RGv\n", pCtx->rip));
1679
1680 /* Two or more VCPUs were racing to patch this instruction. */
1681 PHWACCMTPRPATCH pPatch = (PHWACCMTPRPATCH)RTAvloU32Get(&pVM->hwaccm.s.PatchTree, (AVLOU32KEY)pCtx->eip);
1682 if (pPatch)
1683 return VINF_SUCCESS;
1684
1685 Assert(pVM->hwaccm.s.cPatches < RT_ELEMENTS(pVM->hwaccm.s.aPatches));
1686
1687 int rc = EMInterpretDisasOne(pVM, pVCpu, CPUMCTX2CORE(pCtx), pDis, &cbOp);
1688 AssertRC(rc);
1689 if ( rc == VINF_SUCCESS
1690 && pDis->pCurInstr->opcode == OP_MOV
1691 && cbOp >= 3)
1692 {
1693 uint8_t aVMMCall[3] = { 0xf, 0x1, 0xd9};
1694 uint32_t idx = pVM->hwaccm.s.cPatches;
1695
1696 pPatch = &pVM->hwaccm.s.aPatches[idx];
1697
1698 rc = PGMPhysSimpleReadGCPtr(pVCpu, pPatch->aOpcode, pCtx->rip, cbOp);
1699 AssertRC(rc);
1700
1701 pPatch->cbOp = cbOp;
1702
1703 if (pDis->param1.flags == USE_DISPLACEMENT32)
1704 {
1705 /* write. */
1706 if (pDis->param2.flags == USE_REG_GEN32)
1707 {
1708 pPatch->enmType = HWACCMTPRINSTR_WRITE_REG;
1709 pPatch->uSrcOperand = pDis->param2.base.reg_gen;
1710 }
1711 else
1712 {
1713 Assert(pDis->param2.flags == USE_IMMEDIATE32);
1714 pPatch->enmType = HWACCMTPRINSTR_WRITE_IMM;
1715 pPatch->uSrcOperand = pDis->param2.parval;
1716 }
1717 rc = PGMPhysSimpleWriteGCPtr(pVCpu, pCtx->rip, aVMMCall, sizeof(aVMMCall));
1718 AssertRC(rc);
1719
1720 memcpy(pPatch->aNewOpcode, aVMMCall, sizeof(aVMMCall));
1721 pPatch->cbNewOp = sizeof(aVMMCall);
1722 }
1723 else
1724 {
1725 RTGCPTR oldrip = pCtx->rip;
1726 uint32_t oldcbOp = cbOp;
1727 uint32_t uMmioReg = pDis->param1.base.reg_gen;
1728
1729 /* read */
1730 Assert(pDis->param1.flags == USE_REG_GEN32);
1731
1732 /* Found:
1733 * mov eax, dword [fffe0080] (5 bytes)
1734 * Check if next instruction is:
1735 * shr eax, 4
1736 */
1737 pCtx->rip += cbOp;
1738 rc = EMInterpretDisasOne(pVM, pVCpu, CPUMCTX2CORE(pCtx), pDis, &cbOp);
1739 pCtx->rip = oldrip;
1740 if ( rc == VINF_SUCCESS
1741 && pDis->pCurInstr->opcode == OP_SHR
1742 && pDis->param1.flags == USE_REG_GEN32
1743 && pDis->param1.base.reg_gen == uMmioReg
1744 && pDis->param2.flags == USE_IMMEDIATE8
1745 && pDis->param2.parval == 4
1746 && oldcbOp + cbOp < sizeof(pVM->hwaccm.s.aPatches[idx].aOpcode))
1747 {
1748 uint8_t szInstr[15];
1749
1750 /* Replacing two instructions now. */
1751 rc = PGMPhysSimpleReadGCPtr(pVCpu, &pPatch->aOpcode, pCtx->rip, oldcbOp + cbOp);
1752 AssertRC(rc);
1753
1754 pPatch->cbOp = oldcbOp + cbOp;
1755
1756 /* 0xF0, 0x0F, 0x20, 0xC0 = mov eax, cr8 */
1757 szInstr[0] = 0xF0;
1758 szInstr[1] = 0x0F;
1759 szInstr[2] = 0x20;
1760 szInstr[3] = 0xC0 | pDis->param1.base.reg_gen;
1761 for (unsigned i = 4; i < pPatch->cbOp; i++)
1762 szInstr[i] = 0x90; /* nop */
1763
1764 rc = PGMPhysSimpleWriteGCPtr(pVCpu, pCtx->rip, szInstr, pPatch->cbOp);
1765 AssertRC(rc);
1766
1767 memcpy(pPatch->aNewOpcode, szInstr, pPatch->cbOp);
1768 pPatch->cbNewOp = pPatch->cbOp;
1769
1770 Log(("Acceptable read/shr candidate!\n"));
1771 pPatch->enmType = HWACCMTPRINSTR_READ_SHR4;
1772 }
1773 else
1774 {
1775 pPatch->enmType = HWACCMTPRINSTR_READ;
1776 pPatch->uDstOperand = pDis->param1.base.reg_gen;
1777
1778 rc = PGMPhysSimpleWriteGCPtr(pVCpu, pCtx->rip, aVMMCall, sizeof(aVMMCall));
1779 AssertRC(rc);
1780
1781 memcpy(pPatch->aNewOpcode, aVMMCall, sizeof(aVMMCall));
1782 pPatch->cbNewOp = sizeof(aVMMCall);
1783 }
1784 }
1785
1786 pPatch->Core.Key = pCtx->eip;
1787 rc = RTAvloU32Insert(&pVM->hwaccm.s.PatchTree, &pPatch->Core);
1788 AssertRC(rc);
1789
1790 pVM->hwaccm.s.cPatches++;
1791 STAM_COUNTER_INC(&pVM->hwaccm.s.StatTPRReplaceSuccess);
1792 return VINF_SUCCESS;
1793 }
1794
1795 /* Save invalid patch, so we will not try again. */
1796 uint32_t idx = pVM->hwaccm.s.cPatches;
1797
1798#ifdef LOG_ENABLED
1799 char szOutput[256];
1800 rc = DBGFR3DisasInstrEx(pVM, pVCpu->idCpu, pCtx->cs, pCtx->rip, 0, szOutput, sizeof(szOutput), 0);
1801 if (VBOX_SUCCESS(rc))
1802 Log(("Failed to patch instr: %s\n", szOutput));
1803#endif
1804
1805 pPatch = &pVM->hwaccm.s.aPatches[idx];
1806 pPatch->Core.Key = pCtx->eip;
1807 pPatch->enmType = HWACCMTPRINSTR_INVALID;
1808 rc = RTAvloU32Insert(&pVM->hwaccm.s.PatchTree, &pPatch->Core);
1809 AssertRC(rc);
1810 pVM->hwaccm.s.cPatches++;
1811 STAM_COUNTER_INC(&pVM->hwaccm.s.StatTPRReplaceFailure);
1812 return VINF_SUCCESS;
1813}
1814
1815/**
1816 * Callback to patch a TPR instruction (jump to generated code)
1817 *
1818 * @returns VBox strict status code.
1819 * @param pVM The VM handle.
1820 * @param pVCpu The VMCPU for the EMT we're being called on.
1821 * @param pvUser User specified CPU context
1822 *
1823 */
1824DECLCALLBACK(VBOXSTRICTRC) hwaccmR3PatchTprInstr(PVM pVM, PVMCPU pVCpu, void *pvUser)
1825{
1826 VMCPUID idCpu = (VMCPUID)(uintptr_t)pvUser;
1827 PCPUMCTX pCtx = CPUMQueryGuestCtxPtr(pVCpu);
1828 PDISCPUSTATE pDis = &pVCpu->hwaccm.s.DisState;
1829 unsigned cbOp;
1830 int rc;
1831#ifdef LOG_ENABLED
1832 RTGCPTR pInstr;
1833 char szOutput[256];
1834#endif
1835
1836 /* 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) */
1837 if (pVCpu->idCpu != idCpu)
1838 return VINF_SUCCESS;
1839
1840 Assert(pVM->hwaccm.s.cPatches < RT_ELEMENTS(pVM->hwaccm.s.aPatches));
1841
1842 /* Two or more VCPUs were racing to patch this instruction. */
1843 PHWACCMTPRPATCH pPatch = (PHWACCMTPRPATCH)RTAvloU32Get(&pVM->hwaccm.s.PatchTree, (AVLOU32KEY)pCtx->eip);
1844 if (pPatch)
1845 {
1846 Log(("hwaccmR3PatchTprInstr: already patched %RGv\n", pCtx->rip));
1847 return VINF_SUCCESS;
1848 }
1849
1850 Log(("hwaccmR3PatchTprInstr %RGv\n", pCtx->rip));
1851
1852 rc = EMInterpretDisasOne(pVM, pVCpu, CPUMCTX2CORE(pCtx), pDis, &cbOp);
1853 AssertRC(rc);
1854 if ( rc == VINF_SUCCESS
1855 && pDis->pCurInstr->opcode == OP_MOV
1856 && cbOp >= 5)
1857 {
1858 uint32_t idx = pVM->hwaccm.s.cPatches;
1859 uint8_t aPatch[64];
1860 uint32_t off = 0;
1861
1862 pPatch = &pVM->hwaccm.s.aPatches[idx];
1863
1864#ifdef LOG_ENABLED
1865 rc = DBGFR3DisasInstrEx(pVM, pVCpu->idCpu, pCtx->cs, pCtx->rip, 0, szOutput, sizeof(szOutput), 0);
1866 if (VBOX_SUCCESS(rc))
1867 Log(("Original instr: %s\n", szOutput));
1868#endif
1869
1870 rc = PGMPhysSimpleReadGCPtr(pVCpu, pPatch->aOpcode, pCtx->rip, cbOp);
1871 AssertRC(rc);
1872
1873 pPatch->cbOp = cbOp;
1874 pPatch->enmType = HWACCMTPRINSTR_JUMP_REPLACEMENT;
1875
1876 if (pDis->param1.flags == USE_DISPLACEMENT32)
1877 {
1878 /*
1879 * TPR write:
1880 *
1881 * push ECX [51]
1882 * push EDX [52]
1883 * push EAX [50]
1884 * xor EDX,EDX [31 D2]
1885 * mov EAX,EAX [89 C0]
1886 * or
1887 * mov EAX,0000000CCh [B8 CC 00 00 00]
1888 * mov ECX,0C0000082h [B9 82 00 00 C0]
1889 * wrmsr [0F 30]
1890 * pop EAX [58]
1891 * pop EDX [5A]
1892 * pop ECX [59]
1893 * jmp return_address [E9 return_address]
1894 *
1895 */
1896 bool fUsesEax = (pDis->param2.flags == USE_REG_GEN32 && pDis->param2.base.reg_gen == USE_REG_EAX);
1897
1898 aPatch[off++] = 0x51; /* push ecx */
1899 aPatch[off++] = 0x52; /* push edx */
1900 if (!fUsesEax)
1901 aPatch[off++] = 0x50; /* push eax */
1902 aPatch[off++] = 0x31; /* xor edx, edx */
1903 aPatch[off++] = 0xD2;
1904 if (pDis->param2.flags == USE_REG_GEN32)
1905 {
1906 if (!fUsesEax)
1907 {
1908 aPatch[off++] = 0x89; /* mov eax, src_reg */
1909 aPatch[off++] = MAKE_MODRM(3, pDis->param2.base.reg_gen, USE_REG_EAX);
1910 }
1911 }
1912 else
1913 {
1914 Assert(pDis->param2.flags == USE_IMMEDIATE32);
1915 aPatch[off++] = 0xB8; /* mov eax, immediate */
1916 *(uint32_t *)&aPatch[off] = pDis->param2.parval;
1917 off += sizeof(uint32_t);
1918 }
1919 aPatch[off++] = 0xB9; /* mov ecx, 0xc0000082 */
1920 *(uint32_t *)&aPatch[off] = MSR_K8_LSTAR;
1921 off += sizeof(uint32_t);
1922
1923 aPatch[off++] = 0x0F; /* wrmsr */
1924 aPatch[off++] = 0x30;
1925 if (!fUsesEax)
1926 aPatch[off++] = 0x58; /* pop eax */
1927 aPatch[off++] = 0x5A; /* pop edx */
1928 aPatch[off++] = 0x59; /* pop ecx */
1929 }
1930 else
1931 {
1932 /*
1933 * TPR read:
1934 *
1935 * push ECX [51]
1936 * push EDX [52]
1937 * push EAX [50]
1938 * mov ECX,0C0000082h [B9 82 00 00 C0]
1939 * rdmsr [0F 32]
1940 * mov EAX,EAX [89 C0]
1941 * pop EAX [58]
1942 * pop EDX [5A]
1943 * pop ECX [59]
1944 * jmp return_address [E9 return_address]
1945 *
1946 */
1947 Assert(pDis->param1.flags == USE_REG_GEN32);
1948
1949 if (pDis->param1.base.reg_gen != USE_REG_ECX)
1950 aPatch[off++] = 0x51; /* push ecx */
1951 if (pDis->param1.base.reg_gen != USE_REG_EDX)
1952 aPatch[off++] = 0x52; /* push edx */
1953 if (pDis->param1.base.reg_gen != USE_REG_EAX)
1954 aPatch[off++] = 0x50; /* push eax */
1955
1956 aPatch[off++] = 0x31; /* xor edx, edx */
1957 aPatch[off++] = 0xD2;
1958
1959 aPatch[off++] = 0xB9; /* mov ecx, 0xc0000082 */
1960 *(uint32_t *)&aPatch[off] = MSR_K8_LSTAR;
1961 off += sizeof(uint32_t);
1962
1963 aPatch[off++] = 0x0F; /* rdmsr */
1964 aPatch[off++] = 0x32;
1965
1966 if (pDis->param1.base.reg_gen != USE_REG_EAX)
1967 {
1968 aPatch[off++] = 0x89; /* mov dst_reg, eax */
1969 aPatch[off++] = MAKE_MODRM(3, USE_REG_EAX, pDis->param1.base.reg_gen);
1970 }
1971
1972 if (pDis->param1.base.reg_gen != USE_REG_EAX)
1973 aPatch[off++] = 0x58; /* pop eax */
1974 if (pDis->param1.base.reg_gen != USE_REG_EDX)
1975 aPatch[off++] = 0x5A; /* pop edx */
1976 if (pDis->param1.base.reg_gen != USE_REG_ECX)
1977 aPatch[off++] = 0x59; /* pop ecx */
1978 }
1979 aPatch[off++] = 0xE9; /* jmp return_address */
1980 *(RTRCUINTPTR *)&aPatch[off] = ((RTRCUINTPTR)pCtx->eip + cbOp) - ((RTRCUINTPTR)pVM->hwaccm.s.pFreeGuestPatchMem + off + 4);
1981 off += sizeof(RTRCUINTPTR);
1982
1983 if (pVM->hwaccm.s.pFreeGuestPatchMem + off <= pVM->hwaccm.s.pGuestPatchMem + pVM->hwaccm.s.cbGuestPatchMem)
1984 {
1985 /* Write new code to the patch buffer. */
1986 rc = PGMPhysSimpleWriteGCPtr(pVCpu, pVM->hwaccm.s.pFreeGuestPatchMem, aPatch, off);
1987 AssertRC(rc);
1988
1989#ifdef LOG_ENABLED
1990 pInstr = pVM->hwaccm.s.pFreeGuestPatchMem;
1991 while (true)
1992 {
1993 uint32_t cb;
1994
1995 rc = DBGFR3DisasInstrEx(pVM, pVCpu->idCpu, pCtx->cs, pInstr, 0, szOutput, sizeof(szOutput), &cb);
1996 if (VBOX_SUCCESS(rc))
1997 Log(("Patch instr %s\n", szOutput));
1998
1999 pInstr += cb;
2000
2001 if (pInstr >= pVM->hwaccm.s.pFreeGuestPatchMem + off)
2002 break;
2003 }
2004#endif
2005
2006 pPatch->aNewOpcode[0] = 0xE9;
2007 *(RTRCUINTPTR *)&pPatch->aNewOpcode[1] = ((RTRCUINTPTR)pVM->hwaccm.s.pFreeGuestPatchMem) - ((RTRCUINTPTR)pCtx->eip + 5);
2008
2009 /* Overwrite the TPR instruction with a jump. */
2010 rc = PGMPhysSimpleWriteGCPtr(pVCpu, pCtx->eip, pPatch->aNewOpcode, 5);
2011 AssertRC(rc);
2012
2013#ifdef LOG_ENABLED
2014 rc = DBGFR3DisasInstrEx(pVM, pVCpu->idCpu, pCtx->cs, pCtx->rip, 0, szOutput, sizeof(szOutput), 0);
2015 if (VBOX_SUCCESS(rc))
2016 Log(("Jump: %s\n", szOutput));
2017#endif
2018 pVM->hwaccm.s.pFreeGuestPatchMem += off;
2019 pPatch->cbNewOp = 5;
2020
2021 pPatch->Core.Key = pCtx->eip;
2022 rc = RTAvloU32Insert(&pVM->hwaccm.s.PatchTree, &pPatch->Core);
2023 AssertRC(rc);
2024
2025 pVM->hwaccm.s.cPatches++;
2026 pVM->hwaccm.s.fTPRPatchingActive = true;
2027 STAM_COUNTER_INC(&pVM->hwaccm.s.StatTPRPatchSuccess);
2028 return VINF_SUCCESS;
2029 }
2030 else
2031 Log(("Ran out of space in our patch buffer!\n"));
2032 }
2033
2034 /* Save invalid patch, so we will not try again. */
2035 uint32_t idx = pVM->hwaccm.s.cPatches;
2036
2037#ifdef LOG_ENABLED
2038 rc = DBGFR3DisasInstrEx(pVM, pVCpu->idCpu, pCtx->cs, pCtx->rip, 0, szOutput, sizeof(szOutput), 0);
2039 if (VBOX_SUCCESS(rc))
2040 Log(("Failed to patch instr: %s\n", szOutput));
2041#endif
2042
2043 pPatch = &pVM->hwaccm.s.aPatches[idx];
2044 pPatch->Core.Key = pCtx->eip;
2045 pPatch->enmType = HWACCMTPRINSTR_INVALID;
2046 rc = RTAvloU32Insert(&pVM->hwaccm.s.PatchTree, &pPatch->Core);
2047 AssertRC(rc);
2048 pVM->hwaccm.s.cPatches++;
2049 STAM_COUNTER_INC(&pVM->hwaccm.s.StatTPRPatchFailure);
2050 return VINF_SUCCESS;
2051}
2052
2053/**
2054 * Attempt to patch TPR mmio instructions
2055 *
2056 * @returns VBox status code.
2057 * @param pVM The VM to operate on.
2058 * @param pVCpu The VM CPU to operate on.
2059 * @param pCtx CPU context
2060 */
2061VMMR3DECL(int) HWACCMR3PatchTprInstr(PVM pVM, PVMCPU pVCpu, PCPUMCTX pCtx)
2062{
2063 int rc = VMMR3EmtRendezvous(pVM, VMMEMTRENDEZVOUS_FLAGS_TYPE_ONE_BY_ONE, (pVM->hwaccm.s.pGuestPatchMem) ? hwaccmR3PatchTprInstr : hwaccmR3ReplaceTprInstr, (void *)pVCpu->idCpu);
2064 AssertRC(rc);
2065 return rc;
2066}
2067
2068/**
2069 * Force execution of the current IO code in the recompiler
2070 *
2071 * @returns VBox status code.
2072 * @param pVM The VM to operate on.
2073 * @param pCtx Partial VM execution context
2074 */
2075VMMR3DECL(int) HWACCMR3EmulateIoBlock(PVM pVM, PCPUMCTX pCtx)
2076{
2077 PVMCPU pVCpu = VMMGetCpu(pVM);
2078
2079 Assert(pVM->fHWACCMEnabled);
2080 Log(("HWACCMR3EmulateIoBlock\n"));
2081
2082 /* This is primarily intended to speed up Grub, so we don't care about paged protected mode. */
2083 if (HWACCMCanEmulateIoBlockEx(pCtx))
2084 {
2085 Log(("HWACCMR3EmulateIoBlock -> enabled\n"));
2086 pVCpu->hwaccm.s.EmulateIoBlock.fEnabled = true;
2087 pVCpu->hwaccm.s.EmulateIoBlock.GCPtrFunctionEip = pCtx->rip;
2088 pVCpu->hwaccm.s.EmulateIoBlock.cr0 = pCtx->cr0;
2089 return VINF_EM_RESCHEDULE_REM;
2090 }
2091 return VINF_SUCCESS;
2092}
2093
2094/**
2095 * Checks if we can currently use hardware accelerated raw mode.
2096 *
2097 * @returns boolean
2098 * @param pVM The VM to operate on.
2099 * @param pCtx Partial VM execution context
2100 */
2101VMMR3DECL(bool) HWACCMR3CanExecuteGuest(PVM pVM, PCPUMCTX pCtx)
2102{
2103 PVMCPU pVCpu = VMMGetCpu(pVM);
2104
2105 Assert(pVM->fHWACCMEnabled);
2106
2107 /* If we're still executing the IO code, then return false. */
2108 if ( RT_UNLIKELY(pVCpu->hwaccm.s.EmulateIoBlock.fEnabled)
2109 && pCtx->rip < pVCpu->hwaccm.s.EmulateIoBlock.GCPtrFunctionEip + 0x200
2110 && pCtx->rip > pVCpu->hwaccm.s.EmulateIoBlock.GCPtrFunctionEip - 0x200
2111 && pCtx->cr0 == pVCpu->hwaccm.s.EmulateIoBlock.cr0)
2112 return false;
2113
2114 pVCpu->hwaccm.s.EmulateIoBlock.fEnabled = false;
2115
2116 /* AMD-V supports real & protected mode with or without paging. */
2117 if (pVM->hwaccm.s.svm.fEnabled)
2118 {
2119 pVCpu->hwaccm.s.fActive = true;
2120 return true;
2121 }
2122
2123 pVCpu->hwaccm.s.fActive = false;
2124
2125 /* Note! The context supplied by REM is partial. If we add more checks here, be sure to verify that REM provides this info! */
2126#ifdef HWACCM_VMX_EMULATE_REALMODE
2127 Assert((pVM->hwaccm.s.vmx.fUnrestrictedGuest && !pVM->hwaccm.s.vmx.pRealModeTSS) || (!pVM->hwaccm.s.vmx.fUnrestrictedGuest && pVM->hwaccm.s.vmx.pRealModeTSS));
2128
2129 if (pVM->hwaccm.s.vmx.pRealModeTSS)
2130 {
2131 if (CPUMIsGuestInRealModeEx(pCtx))
2132 {
2133 /* VT-x will not allow high selector bases in v86 mode; fall back to the recompiler in that case.
2134 * The base must also be equal to (sel << 4).
2135 */
2136 if ( ( pCtx->cs != (pCtx->csHid.u64Base >> 4)
2137 && pCtx->csHid.u64Base != 0xffff0000 /* we can deal with the BIOS code as it's also mapped into the lower region. */)
2138 || pCtx->ds != (pCtx->dsHid.u64Base >> 4)
2139 || pCtx->es != (pCtx->esHid.u64Base >> 4)
2140 || pCtx->fs != (pCtx->fsHid.u64Base >> 4)
2141 || pCtx->gs != (pCtx->gsHid.u64Base >> 4)
2142 || pCtx->ss != (pCtx->ssHid.u64Base >> 4))
2143 {
2144 return false;
2145 }
2146 }
2147 else
2148 {
2149 PGMMODE enmGuestMode = PGMGetGuestMode(pVCpu);
2150 /* Verify the requirements for executing code in protected mode. VT-x can't handle the CPU state right after a switch
2151 * from real to protected mode. (all sorts of RPL & DPL assumptions)
2152 */
2153 if ( pVCpu->hwaccm.s.vmx.enmLastSeenGuestMode == PGMMODE_REAL
2154 && enmGuestMode >= PGMMODE_PROTECTED)
2155 {
2156 if ( (pCtx->cs & X86_SEL_RPL)
2157 || (pCtx->ds & X86_SEL_RPL)
2158 || (pCtx->es & X86_SEL_RPL)
2159 || (pCtx->fs & X86_SEL_RPL)
2160 || (pCtx->gs & X86_SEL_RPL)
2161 || (pCtx->ss & X86_SEL_RPL))
2162 {
2163 return false;
2164 }
2165 }
2166 }
2167 }
2168 else
2169#endif /* HWACCM_VMX_EMULATE_REALMODE */
2170 {
2171 if ( !CPUMIsGuestInLongModeEx(pCtx)
2172 && !pVM->hwaccm.s.vmx.fUnrestrictedGuest)
2173 {
2174 /** @todo This should (probably) be set on every excursion to the REM,
2175 * however it's too risky right now. So, only apply it when we go
2176 * back to REM for real mode execution. (The XP hack below doesn't
2177 * work reliably without this.)
2178 * Update: Implemented in EM.cpp, see #ifdef EM_NOTIFY_HWACCM. */
2179 pVM->aCpus[0].hwaccm.s.fContextUseFlags |= HWACCM_CHANGED_ALL_GUEST;
2180
2181 /* Too early for VT-x; Solaris guests will fail with a guru meditation otherwise; same for XP. */
2182 if (pCtx->idtr.pIdt == 0 || pCtx->idtr.cbIdt == 0 || pCtx->tr == 0)
2183 return false;
2184
2185 /* The guest is about to complete the switch to protected mode. Wait a bit longer. */
2186 /* Windows XP; switch to protected mode; all selectors are marked not present in the
2187 * hidden registers (possible recompiler bug; see load_seg_vm) */
2188 if (pCtx->csHid.Attr.n.u1Present == 0)
2189 return false;
2190 if (pCtx->ssHid.Attr.n.u1Present == 0)
2191 return false;
2192
2193 /* Windows XP: possible same as above, but new recompiler requires new heuristics?
2194 VT-x doesn't seem to like something about the guest state and this stuff avoids it. */
2195 /** @todo This check is actually wrong, it doesn't take the direction of the
2196 * stack segment into account. But, it does the job for now. */
2197 if (pCtx->rsp >= pCtx->ssHid.u32Limit)
2198 return false;
2199#if 0
2200 if ( pCtx->cs >= pCtx->gdtr.cbGdt
2201 || pCtx->ss >= pCtx->gdtr.cbGdt
2202 || pCtx->ds >= pCtx->gdtr.cbGdt
2203 || pCtx->es >= pCtx->gdtr.cbGdt
2204 || pCtx->fs >= pCtx->gdtr.cbGdt
2205 || pCtx->gs >= pCtx->gdtr.cbGdt)
2206 return false;
2207#endif
2208 }
2209 }
2210
2211 if (pVM->hwaccm.s.vmx.fEnabled)
2212 {
2213 uint32_t mask;
2214
2215 if (!pVM->hwaccm.s.vmx.fUnrestrictedGuest)
2216 {
2217 /* if bit N is set in cr0_fixed0, then it must be set in the guest's cr0. */
2218 mask = (uint32_t)pVM->hwaccm.s.vmx.msr.vmx_cr0_fixed0;
2219 /* Note: We ignore the NE bit here on purpose; see vmmr0\hwaccmr0.cpp for details. */
2220 mask &= ~X86_CR0_NE;
2221
2222#ifdef HWACCM_VMX_EMULATE_REALMODE
2223 if (pVM->hwaccm.s.vmx.pRealModeTSS)
2224 {
2225 /* Note: We ignore the PE & PG bits here on purpose; we emulate real and protected mode without paging. */
2226 mask &= ~(X86_CR0_PG|X86_CR0_PE);
2227 }
2228 else
2229#endif
2230 {
2231 /* We support protected mode without paging using identity mapping. */
2232 mask &= ~X86_CR0_PG;
2233 }
2234 if ((pCtx->cr0 & mask) != mask)
2235 return false;
2236
2237 /* if bit N is cleared in cr0_fixed1, then it must be zero in the guest's cr0. */
2238 mask = (uint32_t)~pVM->hwaccm.s.vmx.msr.vmx_cr0_fixed1;
2239 if ((pCtx->cr0 & mask) != 0)
2240 return false;
2241 }
2242
2243 /* if bit N is set in cr4_fixed0, then it must be set in the guest's cr4. */
2244 mask = (uint32_t)pVM->hwaccm.s.vmx.msr.vmx_cr4_fixed0;
2245 mask &= ~X86_CR4_VMXE;
2246 if ((pCtx->cr4 & mask) != mask)
2247 return false;
2248
2249 /* if bit N is cleared in cr4_fixed1, then it must be zero in the guest's cr4. */
2250 mask = (uint32_t)~pVM->hwaccm.s.vmx.msr.vmx_cr4_fixed1;
2251 if ((pCtx->cr4 & mask) != 0)
2252 return false;
2253
2254 pVCpu->hwaccm.s.fActive = true;
2255 return true;
2256 }
2257
2258 return false;
2259}
2260
2261/**
2262 * Notifcation from EM about a rescheduling into hardware assisted execution
2263 * mode.
2264 *
2265 * @param pVCpu Pointer to the current virtual cpu structure.
2266 */
2267VMMR3DECL(void) HWACCMR3NotifyScheduled(PVMCPU pVCpu)
2268{
2269 pVCpu->hwaccm.s.fContextUseFlags |= HWACCM_CHANGED_ALL_GUEST;
2270}
2271
2272/**
2273 * Notifcation from EM about returning from instruction emulation (REM / EM).
2274 *
2275 * @param pVCpu Pointer to the current virtual cpu structure.
2276 */
2277VMMR3DECL(void) HWACCMR3NotifyEmulated(PVMCPU pVCpu)
2278{
2279 pVCpu->hwaccm.s.fContextUseFlags |= HWACCM_CHANGED_ALL_GUEST;
2280}
2281
2282/**
2283 * Checks if we are currently using hardware accelerated raw mode.
2284 *
2285 * @returns boolean
2286 * @param pVCpu The VMCPU to operate on.
2287 */
2288VMMR3DECL(bool) HWACCMR3IsActive(PVMCPU pVCpu)
2289{
2290 return pVCpu->hwaccm.s.fActive;
2291}
2292
2293/**
2294 * Checks if we are currently using nested paging.
2295 *
2296 * @returns boolean
2297 * @param pVM The VM to operate on.
2298 */
2299VMMR3DECL(bool) HWACCMR3IsNestedPagingActive(PVM pVM)
2300{
2301 return pVM->hwaccm.s.fNestedPaging;
2302}
2303
2304/**
2305 * Checks if we are currently using VPID in VT-x mode.
2306 *
2307 * @returns boolean
2308 * @param pVM The VM to operate on.
2309 */
2310VMMR3DECL(bool) HWACCMR3IsVPIDActive(PVM pVM)
2311{
2312 return pVM->hwaccm.s.vmx.fVPID;
2313}
2314
2315
2316/**
2317 * Checks if internal events are pending. In that case we are not allowed to dispatch interrupts.
2318 *
2319 * @returns boolean
2320 * @param pVM The VM to operate on.
2321 */
2322VMMR3DECL(bool) HWACCMR3IsEventPending(PVMCPU pVCpu)
2323{
2324 return HWACCMIsEnabled(pVCpu->pVMR3) && pVCpu->hwaccm.s.Event.fPending;
2325}
2326
2327/**
2328 * Restart an I/O instruction that was refused in ring-0
2329 *
2330 * @returns Strict VBox status code. Informational status codes other than the one documented
2331 * here are to be treated as internal failure. Use IOM_SUCCESS() to check for success.
2332 * @retval VINF_SUCCESS Success.
2333 * @retval VINF_EM_FIRST-VINF_EM_LAST Success with some exceptions (see IOM_SUCCESS()), the
2334 * status code must be passed on to EM.
2335 * @retval VERR_NOT_FOUND if no pending I/O instruction.
2336 *
2337 * @param pVM The VM to operate on.
2338 * @param pVCpu The VMCPU to operate on.
2339 * @param pCtx VCPU register context
2340 */
2341VMMR3DECL(VBOXSTRICTRC) HWACCMR3RestartPendingIOInstr(PVM pVM, PVMCPU pVCpu, PCPUMCTX pCtx)
2342{
2343 HWACCMPENDINGIO enmType = pVCpu->hwaccm.s.PendingIO.enmType;
2344
2345 pVCpu->hwaccm.s.PendingIO.enmType = HWACCMPENDINGIO_INVALID;
2346
2347 if ( pVCpu->hwaccm.s.PendingIO.GCPtrRip != pCtx->rip
2348 || enmType == HWACCMPENDINGIO_INVALID)
2349 return VERR_NOT_FOUND;
2350
2351 VBOXSTRICTRC rcStrict;
2352 switch (enmType)
2353 {
2354 case HWACCMPENDINGIO_PORT_READ:
2355 {
2356 uint32_t uAndVal = pVCpu->hwaccm.s.PendingIO.s.Port.uAndVal;
2357 uint32_t u32Val = 0;
2358
2359 rcStrict = IOMIOPortRead(pVM, pVCpu->hwaccm.s.PendingIO.s.Port.uPort,
2360 &u32Val,
2361 pVCpu->hwaccm.s.PendingIO.s.Port.cbSize);
2362 if (IOM_SUCCESS(rcStrict))
2363 {
2364 /* Write back to the EAX register. */
2365 pCtx->eax = (pCtx->eax & ~uAndVal) | (u32Val & uAndVal);
2366 pCtx->rip = pVCpu->hwaccm.s.PendingIO.GCPtrRipNext;
2367 }
2368 break;
2369 }
2370
2371 case HWACCMPENDINGIO_PORT_WRITE:
2372 rcStrict = IOMIOPortWrite(pVM, pVCpu->hwaccm.s.PendingIO.s.Port.uPort,
2373 pCtx->eax & pVCpu->hwaccm.s.PendingIO.s.Port.uAndVal,
2374 pVCpu->hwaccm.s.PendingIO.s.Port.cbSize);
2375 if (IOM_SUCCESS(rcStrict))
2376 pCtx->rip = pVCpu->hwaccm.s.PendingIO.GCPtrRipNext;
2377 break;
2378
2379 default:
2380 AssertFailed();
2381 return VERR_INTERNAL_ERROR;
2382 }
2383
2384 return rcStrict;
2385}
2386
2387/**
2388 * Inject an NMI into a running VM (only VCPU 0!)
2389 *
2390 * @returns boolean
2391 * @param pVM The VM to operate on.
2392 */
2393VMMR3DECL(int) HWACCMR3InjectNMI(PVM pVM)
2394{
2395 VMCPU_FF_SET(&pVM->aCpus[0], VMCPU_FF_INTERRUPT_NMI);
2396 return VINF_SUCCESS;
2397}
2398
2399/**
2400 * Check fatal VT-x/AMD-V error and produce some meaningful
2401 * log release message.
2402 *
2403 * @param pVM The VM to operate on.
2404 * @param iStatusCode VBox status code
2405 */
2406VMMR3DECL(void) HWACCMR3CheckError(PVM pVM, int iStatusCode)
2407{
2408 for (VMCPUID i = 0; i < pVM->cCpus; i++)
2409 {
2410 switch(iStatusCode)
2411 {
2412 case VERR_VMX_INVALID_VMCS_FIELD:
2413 break;
2414
2415 case VERR_VMX_INVALID_VMCS_PTR:
2416 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));
2417 LogRel(("VERR_VMX_INVALID_VMCS_PTR: CPU%d Current VMCS version %x\n", i, pVM->aCpus[i].hwaccm.s.vmx.lasterror.ulVMCSRevision));
2418 LogRel(("VERR_VMX_INVALID_VMCS_PTR: CPU%d Entered Cpu %d\n", i, pVM->aCpus[i].hwaccm.s.vmx.lasterror.idEnteredCpu));
2419 LogRel(("VERR_VMX_INVALID_VMCS_PTR: CPU%d Current Cpu %d\n", i, pVM->aCpus[i].hwaccm.s.vmx.lasterror.idCurrentCpu));
2420 break;
2421
2422 case VERR_VMX_UNABLE_TO_START_VM:
2423 LogRel(("VERR_VMX_UNABLE_TO_START_VM: CPU%d instruction error %x\n", i, pVM->aCpus[i].hwaccm.s.vmx.lasterror.ulInstrError));
2424 LogRel(("VERR_VMX_UNABLE_TO_START_VM: CPU%d exit reason %x\n", i, pVM->aCpus[i].hwaccm.s.vmx.lasterror.ulExitReason));
2425#if 0 /* @todo dump the current control fields to the release log */
2426 if (pVM->aCpus[i].hwaccm.s.vmx.lasterror.ulInstrError == VMX_ERROR_VMENTRY_INVALID_CONTROL_FIELDS)
2427 {
2428
2429 }
2430#endif
2431 break;
2432
2433 case VERR_VMX_UNABLE_TO_RESUME_VM:
2434 LogRel(("VERR_VMX_UNABLE_TO_RESUME_VM: CPU%d instruction error %x\n", i, pVM->aCpus[i].hwaccm.s.vmx.lasterror.ulInstrError));
2435 LogRel(("VERR_VMX_UNABLE_TO_RESUME_VM: CPU%d exit reason %x\n", i, pVM->aCpus[i].hwaccm.s.vmx.lasterror.ulExitReason));
2436 break;
2437
2438 case VERR_VMX_INVALID_VMXON_PTR:
2439 break;
2440 }
2441 }
2442}
2443
2444/**
2445 * Execute state save operation.
2446 *
2447 * @returns VBox status code.
2448 * @param pVM VM Handle.
2449 * @param pSSM SSM operation handle.
2450 */
2451static DECLCALLBACK(int) hwaccmR3Save(PVM pVM, PSSMHANDLE pSSM)
2452{
2453 int rc;
2454
2455 Log(("hwaccmR3Save:\n"));
2456
2457 for (VMCPUID i = 0; i < pVM->cCpus; i++)
2458 {
2459 /*
2460 * Save the basic bits - fortunately all the other things can be resynced on load.
2461 */
2462 rc = SSMR3PutU32(pSSM, pVM->aCpus[i].hwaccm.s.Event.fPending);
2463 AssertRCReturn(rc, rc);
2464 rc = SSMR3PutU32(pSSM, pVM->aCpus[i].hwaccm.s.Event.errCode);
2465 AssertRCReturn(rc, rc);
2466 rc = SSMR3PutU64(pSSM, pVM->aCpus[i].hwaccm.s.Event.intInfo);
2467 AssertRCReturn(rc, rc);
2468
2469 rc = SSMR3PutU32(pSSM, pVM->aCpus[i].hwaccm.s.vmx.enmLastSeenGuestMode);
2470 AssertRCReturn(rc, rc);
2471 rc = SSMR3PutU32(pSSM, pVM->aCpus[i].hwaccm.s.vmx.enmCurrGuestMode);
2472 AssertRCReturn(rc, rc);
2473 rc = SSMR3PutU32(pSSM, pVM->aCpus[i].hwaccm.s.vmx.enmPrevGuestMode);
2474 AssertRCReturn(rc, rc);
2475 }
2476#ifdef VBOX_HWACCM_WITH_GUEST_PATCHING
2477 rc = SSMR3PutGCPtr(pSSM, pVM->hwaccm.s.pGuestPatchMem);
2478 AssertRCReturn(rc, rc);
2479 rc = SSMR3PutGCPtr(pSSM, pVM->hwaccm.s.pFreeGuestPatchMem);
2480 AssertRCReturn(rc, rc);
2481 rc = SSMR3PutU32(pSSM, pVM->hwaccm.s.cbGuestPatchMem);
2482 AssertRCReturn(rc, rc);
2483
2484 /* Store all the guest patch records too. */
2485 rc = SSMR3PutU32(pSSM, pVM->hwaccm.s.cPatches);
2486 AssertRCReturn(rc, rc);
2487
2488 for (unsigned i = 0; i < pVM->hwaccm.s.cPatches; i++)
2489 {
2490 PHWACCMTPRPATCH pPatch = &pVM->hwaccm.s.aPatches[i];
2491
2492 rc = SSMR3PutU32(pSSM, pPatch->Core.Key);
2493 AssertRCReturn(rc, rc);
2494
2495 rc = SSMR3PutMem(pSSM, pPatch->aOpcode, sizeof(pPatch->aOpcode));
2496 AssertRCReturn(rc, rc);
2497
2498 rc = SSMR3PutU32(pSSM, pPatch->cbOp);
2499 AssertRCReturn(rc, rc);
2500
2501 rc = SSMR3PutMem(pSSM, pPatch->aNewOpcode, sizeof(pPatch->aNewOpcode));
2502 AssertRCReturn(rc, rc);
2503
2504 rc = SSMR3PutU32(pSSM, pPatch->cbNewOp);
2505 AssertRCReturn(rc, rc);
2506
2507 AssertCompileSize(HWACCMTPRINSTR, 4);
2508 rc = SSMR3PutU32(pSSM, (uint32_t)pPatch->enmType);
2509 AssertRCReturn(rc, rc);
2510
2511 rc = SSMR3PutU32(pSSM, pPatch->uSrcOperand);
2512 AssertRCReturn(rc, rc);
2513
2514 rc = SSMR3PutU32(pSSM, pPatch->uDstOperand);
2515 AssertRCReturn(rc, rc);
2516
2517 rc = SSMR3PutU32(pSSM, pPatch->pJumpTarget);
2518 AssertRCReturn(rc, rc);
2519
2520 rc = SSMR3PutU32(pSSM, pPatch->cFaults);
2521 AssertRCReturn(rc, rc);
2522 }
2523#endif
2524 return VINF_SUCCESS;
2525}
2526
2527/**
2528 * Execute state load operation.
2529 *
2530 * @returns VBox status code.
2531 * @param pVM VM Handle.
2532 * @param pSSM SSM operation handle.
2533 * @param uVersion Data layout version.
2534 * @param uPass The data pass.
2535 */
2536static DECLCALLBACK(int) hwaccmR3Load(PVM pVM, PSSMHANDLE pSSM, uint32_t uVersion, uint32_t uPass)
2537{
2538 int rc;
2539
2540 Log(("hwaccmR3Load:\n"));
2541 Assert(uPass == SSM_PASS_FINAL); NOREF(uPass);
2542
2543 /*
2544 * Validate version.
2545 */
2546 if ( uVersion != HWACCM_SSM_VERSION
2547 && uVersion != HWACCM_SSM_VERSION_NO_PATCHING
2548 && uVersion != HWACCM_SSM_VERSION_2_0_X)
2549 {
2550 AssertMsgFailed(("hwaccmR3Load: Invalid version uVersion=%d!\n", uVersion));
2551 return VERR_SSM_UNSUPPORTED_DATA_UNIT_VERSION;
2552 }
2553 for (VMCPUID i = 0; i < pVM->cCpus; i++)
2554 {
2555 rc = SSMR3GetU32(pSSM, &pVM->aCpus[i].hwaccm.s.Event.fPending);
2556 AssertRCReturn(rc, rc);
2557 rc = SSMR3GetU32(pSSM, &pVM->aCpus[i].hwaccm.s.Event.errCode);
2558 AssertRCReturn(rc, rc);
2559 rc = SSMR3GetU64(pSSM, &pVM->aCpus[i].hwaccm.s.Event.intInfo);
2560 AssertRCReturn(rc, rc);
2561
2562 if (uVersion >= HWACCM_SSM_VERSION_NO_PATCHING)
2563 {
2564 uint32_t val;
2565
2566 rc = SSMR3GetU32(pSSM, &val);
2567 AssertRCReturn(rc, rc);
2568 pVM->aCpus[i].hwaccm.s.vmx.enmLastSeenGuestMode = (PGMMODE)val;
2569
2570 rc = SSMR3GetU32(pSSM, &val);
2571 AssertRCReturn(rc, rc);
2572 pVM->aCpus[i].hwaccm.s.vmx.enmCurrGuestMode = (PGMMODE)val;
2573
2574 rc = SSMR3GetU32(pSSM, &val);
2575 AssertRCReturn(rc, rc);
2576 pVM->aCpus[i].hwaccm.s.vmx.enmPrevGuestMode = (PGMMODE)val;
2577 }
2578 }
2579#ifdef VBOX_HWACCM_WITH_GUEST_PATCHING
2580 if (uVersion > HWACCM_SSM_VERSION_NO_PATCHING)
2581 {
2582 rc = SSMR3GetGCPtr(pSSM, &pVM->hwaccm.s.pGuestPatchMem);
2583 AssertRCReturn(rc, rc);
2584 rc = SSMR3GetGCPtr(pSSM, &pVM->hwaccm.s.pFreeGuestPatchMem);
2585 AssertRCReturn(rc, rc);
2586 rc = SSMR3GetU32(pSSM, &pVM->hwaccm.s.cbGuestPatchMem);
2587 AssertRCReturn(rc, rc);
2588
2589 /* Fetch all TPR patch records. */
2590 rc = SSMR3GetU32(pSSM, &pVM->hwaccm.s.cPatches);
2591 AssertRCReturn(rc, rc);
2592
2593 for (unsigned i = 0; i < pVM->hwaccm.s.cPatches; i++)
2594 {
2595 PHWACCMTPRPATCH pPatch = &pVM->hwaccm.s.aPatches[i];
2596
2597 rc = SSMR3GetU32(pSSM, &pPatch->Core.Key);
2598 AssertRCReturn(rc, rc);
2599
2600 rc = SSMR3GetMem(pSSM, pPatch->aOpcode, sizeof(pPatch->aOpcode));
2601 AssertRCReturn(rc, rc);
2602
2603 rc = SSMR3GetU32(pSSM, &pPatch->cbOp);
2604 AssertRCReturn(rc, rc);
2605
2606 rc = SSMR3GetMem(pSSM, pPatch->aNewOpcode, sizeof(pPatch->aNewOpcode));
2607 AssertRCReturn(rc, rc);
2608
2609 rc = SSMR3GetU32(pSSM, &pPatch->cbNewOp);
2610 AssertRCReturn(rc, rc);
2611
2612 rc = SSMR3GetU32(pSSM, (uint32_t *)&pPatch->enmType);
2613 AssertRCReturn(rc, rc);
2614
2615 if (pPatch->enmType == HWACCMTPRINSTR_JUMP_REPLACEMENT)
2616 pVM->hwaccm.s.fTPRPatchingActive = true;
2617
2618 Assert(pPatch->enmType == HWACCMTPRINSTR_JUMP_REPLACEMENT || pVM->hwaccm.s.fTPRPatchingActive == false);
2619
2620 rc = SSMR3GetU32(pSSM, &pPatch->uSrcOperand);
2621 AssertRCReturn(rc, rc);
2622
2623 rc = SSMR3GetU32(pSSM, &pPatch->uDstOperand);
2624 AssertRCReturn(rc, rc);
2625
2626 rc = SSMR3GetU32(pSSM, &pPatch->cFaults);
2627 AssertRCReturn(rc, rc);
2628
2629 rc = SSMR3GetU32(pSSM, &pPatch->pJumpTarget);
2630 AssertRCReturn(rc, rc);
2631
2632 Log(("hwaccmR3Load: patch %d\n", i));
2633 Log(("Key = %x\n", pPatch->Core.Key));
2634 Log(("cbOp = %d\n", pPatch->cbOp));
2635 Log(("cbNewOp = %d\n", pPatch->cbNewOp));
2636 Log(("type = %d\n", pPatch->enmType));
2637 Log(("srcop = %d\n", pPatch->uSrcOperand));
2638 Log(("dstop = %d\n", pPatch->uDstOperand));
2639 Log(("cFaults = %d\n", pPatch->cFaults));
2640 Log(("target = %x\n", pPatch->pJumpTarget));
2641 rc = RTAvloU32Insert(&pVM->hwaccm.s.PatchTree, &pPatch->Core);
2642 AssertRC(rc);
2643 }
2644 }
2645#endif
2646
2647 /* Recheck all VCPUs if we can go staight into hwaccm execution mode. */
2648 if (HWACCMIsEnabled(pVM))
2649 {
2650 for (VMCPUID i = 0; i < pVM->cCpus; i++)
2651 {
2652 PVMCPU pVCpu = &pVM->aCpus[i];
2653
2654 HWACCMR3CanExecuteGuest(pVM, CPUMQueryGuestCtxPtr(pVCpu));
2655 }
2656 }
2657 return VINF_SUCCESS;
2658}
2659
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