VirtualBox

source: vbox/trunk/src/VBox/VMM/HWACCM.cpp@ 23733

Last change on this file since 23733 was 23733, checked in by vboxsync, 15 years ago

Dropped obsolet HWVirtEx properties.
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File size: 122.5 KB
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1/* $Id: HWACCM.cpp 23733 2009-10-13 14:48:10Z 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.StatFlushPageManual, "/HWACCM/CPU%d/Flush/Page/Virt");
524 HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatFlushPhysPageManual, "/HWACCM/CPU%d/Flush/Page/Phys");
525 HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatFlushTLBManual, "/HWACCM/CPU%d/Flush/TLB/Manual");
526 HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatFlushTLBCRxChange, "/HWACCM/CPU%d/Flush/TLB/CRx");
527 HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatFlushPageInvlpg, "/HWACCM/CPU%d/Flush/Page/Invlpg");
528 HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatFlushTLBWorldSwitch, "/HWACCM/CPU%d/Flush/TLB/Switch");
529 HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatNoFlushTLBWorldSwitch, "/HWACCM/CPU%d/Flush/TLB/Skipped");
530 HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatFlushASID, "/HWACCM/CPU%d/Flush/TLB/ASID");
531 HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatFlushTLBInvlpga, "/HWACCM/CPU%d/Flush/TLB/PhysInvl");
532 HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatTlbShootdown, "/HWACCM/CPU%d/Flush/Shootdown/Page");
533 HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatTlbShootdownFlush, "/HWACCM/CPU%d/Flush/Shootdown/TLB");
534
535 HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatTSCOffset, "/HWACCM/CPU%d/TSC/Offset");
536 HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatTSCIntercept, "/HWACCM/CPU%d/TSC/Intercept");
537 HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatTSCInterceptOverFlow, "/HWACCM/CPU%d/TSC/InterceptOverflow");
538
539 HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatDRxArmed, "/HWACCM/CPU%d/Debug/Armed");
540 HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatDRxContextSwitch, "/HWACCM/CPU%d/Debug/ContextSwitch");
541 HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatDRxIOCheck, "/HWACCM/CPU%d/Debug/IOCheck");
542
543 for (unsigned j=0;j<RT_ELEMENTS(pVCpu->hwaccm.s.StatExitCRxWrite);j++)
544 {
545 rc = STAMR3RegisterF(pVM, &pVCpu->hwaccm.s.StatExitCRxWrite[j], STAMTYPE_COUNTER, STAMVISIBILITY_USED, STAMUNIT_OCCURENCES, "Profiling of CRx writes",
546 "/HWACCM/CPU%d/Exit/Instr/CR/Write/%x", i, j);
547 AssertRC(rc);
548 rc = STAMR3RegisterF(pVM, &pVCpu->hwaccm.s.StatExitCRxRead[j], STAMTYPE_COUNTER, STAMVISIBILITY_USED, STAMUNIT_OCCURENCES, "Profiling of CRx reads",
549 "/HWACCM/CPU%d/Exit/Instr/CR/Read/%x", i, j);
550 AssertRC(rc);
551 }
552
553#undef HWACCM_REG_COUNTER
554
555 pVCpu->hwaccm.s.paStatExitReason = NULL;
556
557 rc = MMHyperAlloc(pVM, MAX_EXITREASON_STAT*sizeof(*pVCpu->hwaccm.s.paStatExitReason), 0, MM_TAG_HWACCM, (void **)&pVCpu->hwaccm.s.paStatExitReason);
558 AssertRC(rc);
559 if (RT_SUCCESS(rc))
560 {
561 const char * const *papszDesc = ASMIsIntelCpu() ? &g_apszVTxExitReasons[0] : &g_apszAmdVExitReasons[0];
562 for (int j=0;j<MAX_EXITREASON_STAT;j++)
563 {
564 if (papszDesc[j])
565 {
566 rc = STAMR3RegisterF(pVM, &pVCpu->hwaccm.s.paStatExitReason[j], STAMTYPE_COUNTER, STAMVISIBILITY_USED, STAMUNIT_OCCURENCES,
567 papszDesc[j], "/HWACCM/CPU%d/Exit/Reason/%02x", i, j);
568 AssertRC(rc);
569 }
570 }
571 rc = STAMR3RegisterF(pVM, &pVCpu->hwaccm.s.StatExitReasonNPF, STAMTYPE_COUNTER, STAMVISIBILITY_USED, STAMUNIT_OCCURENCES, "Nested page fault", "/HWACCM/CPU%d/Exit/Reason/#NPF", i);
572 AssertRC(rc);
573 }
574 pVCpu->hwaccm.s.paStatExitReasonR0 = MMHyperR3ToR0(pVM, pVCpu->hwaccm.s.paStatExitReason);
575# ifdef VBOX_WITH_2X_4GB_ADDR_SPACE
576 Assert(pVCpu->hwaccm.s.paStatExitReasonR0 != NIL_RTR0PTR || !VMMIsHwVirtExtForced(pVM));
577# else
578 Assert(pVCpu->hwaccm.s.paStatExitReasonR0 != NIL_RTR0PTR);
579# endif
580
581 rc = MMHyperAlloc(pVM, sizeof(STAMCOUNTER) * 256, 8, MM_TAG_HWACCM, (void **)&pVCpu->hwaccm.s.paStatInjectedIrqs);
582 AssertRCReturn(rc, rc);
583 pVCpu->hwaccm.s.paStatInjectedIrqsR0 = MMHyperR3ToR0(pVM, pVCpu->hwaccm.s.paStatInjectedIrqs);
584# ifdef VBOX_WITH_2X_4GB_ADDR_SPACE
585 Assert(pVCpu->hwaccm.s.paStatInjectedIrqsR0 != NIL_RTR0PTR || !VMMIsHwVirtExtForced(pVM));
586# else
587 Assert(pVCpu->hwaccm.s.paStatInjectedIrqsR0 != NIL_RTR0PTR);
588# endif
589 for (unsigned j = 0; j < 255; j++)
590 STAMR3RegisterF(pVM, &pVCpu->hwaccm.s.paStatInjectedIrqs[j], STAMTYPE_COUNTER, STAMVISIBILITY_USED, STAMUNIT_OCCURENCES, "Forwarded interrupts.",
591 (j < 0x20) ? "/HWACCM/CPU%d/Interrupt/Trap/%02X" : "/HWACCM/CPU%d/Interrupt/IRQ/%02X", i, j);
592
593 }
594#endif /* VBOX_WITH_STATISTICS */
595
596#ifdef VBOX_WITH_CRASHDUMP_MAGIC
597 /* Magic marker for searching in crash dumps. */
598 for (VMCPUID i = 0; i < pVM->cCpus; i++)
599 {
600 PVMCPU pVCpu = &pVM->aCpus[i];
601
602 PVMCSCACHE pCache = &pVCpu->hwaccm.s.vmx.VMCSCache;
603 strcpy((char *)pCache->aMagic, "VMCSCACHE Magic");
604 pCache->uMagic = UINT64_C(0xDEADBEEFDEADBEEF);
605 }
606#endif
607 return VINF_SUCCESS;
608}
609
610/**
611 * Turns off normal raw mode features
612 *
613 * @param pVM The VM to operate on.
614 */
615static void hwaccmR3DisableRawMode(PVM pVM)
616{
617 /* Disable PATM & CSAM. */
618 PATMR3AllowPatching(pVM, false);
619 CSAMDisableScanning(pVM);
620
621 /* Turn off IDT/LDT/GDT and TSS monitoring and sycing. */
622 SELMR3DisableMonitoring(pVM);
623 TRPMR3DisableMonitoring(pVM);
624
625 /* Disable the switcher code (safety precaution). */
626 VMMR3DisableSwitcher(pVM);
627
628 /* Disable mapping of the hypervisor into the shadow page table. */
629 PGMR3MappingsDisable(pVM);
630
631 /* Disable the switcher */
632 VMMR3DisableSwitcher(pVM);
633
634 /* Reinit the paging mode to force the new shadow mode. */
635 for (VMCPUID i = 0; i < pVM->cCpus; i++)
636 {
637 PVMCPU pVCpu = &pVM->aCpus[i];
638
639 PGMR3ChangeMode(pVM, pVCpu, PGMMODE_REAL);
640 }
641}
642
643/**
644 * Initialize VT-x or AMD-V.
645 *
646 * @returns VBox status code.
647 * @param pVM The VM handle.
648 */
649VMMR3DECL(int) HWACCMR3InitFinalizeR0(PVM pVM)
650{
651 int rc;
652
653 if ( !pVM->hwaccm.s.vmx.fSupported
654 && !pVM->hwaccm.s.svm.fSupported)
655 {
656 LogRel(("HWACCM: No VT-x or AMD-V CPU extension found. Reason %Rrc\n", pVM->hwaccm.s.lLastError));
657 LogRel(("HWACCM: VMX MSR_IA32_FEATURE_CONTROL=%RX64\n", pVM->hwaccm.s.vmx.msr.feature_ctrl));
658 if (VMMIsHwVirtExtForced(pVM))
659 return VM_SET_ERROR(pVM, VERR_VMX_NO_VMX, "VT-x is not available.");
660 return VINF_SUCCESS;
661 }
662
663 if (pVM->hwaccm.s.vmx.fSupported)
664 {
665 rc = SUPR3QueryVTxSupported();
666 if (RT_FAILURE(rc))
667 {
668#ifdef RT_OS_LINUX
669 LogRel(("HWACCM: The host kernel does not support VT-x -- Linux 2.6.13 or newer required!\n"));
670#else
671 LogRel(("HWACCM: The host kernel does not support VT-x!\n"));
672#endif
673 if ( pVM->cCpus > 1
674 || VMMIsHwVirtExtForced(pVM))
675 return rc;
676
677 /* silently fall back to raw mode */
678 return VINF_SUCCESS;
679 }
680 }
681
682 if (!pVM->hwaccm.s.fAllowed)
683 return VINF_SUCCESS; /* nothing to do */
684
685 /* Enable VT-x or AMD-V on all host CPUs. */
686 rc = SUPR3CallVMMR0Ex(pVM->pVMR0, 0 /*idCpu*/, VMMR0_DO_HWACC_ENABLE, 0, NULL);
687 if (RT_FAILURE(rc))
688 {
689 LogRel(("HWACCMR3InitFinalize: SUPR3CallVMMR0Ex VMMR0_DO_HWACC_ENABLE failed with %Rrc\n", rc));
690 return rc;
691 }
692 Assert(!pVM->fHWACCMEnabled || VMMIsHwVirtExtForced(pVM));
693
694 pVM->hwaccm.s.fHasIoApic = PDMHasIoApic(pVM);
695 /* No TPR patching is required when the IO-APIC is not enabled for this VM. (Main should have taken care of this already) */
696 if (!pVM->hwaccm.s.fHasIoApic)
697 {
698 Assert(!pVM->hwaccm.s.fTRPPatchingAllowed); /* paranoia */
699 pVM->hwaccm.s.fTRPPatchingAllowed = false;
700 }
701
702 if (pVM->hwaccm.s.vmx.fSupported)
703 {
704 Log(("pVM->hwaccm.s.vmx.fSupported = %d\n", pVM->hwaccm.s.vmx.fSupported));
705
706 if ( pVM->hwaccm.s.fInitialized == false
707 && pVM->hwaccm.s.vmx.msr.feature_ctrl != 0)
708 {
709 uint64_t val;
710 RTGCPHYS GCPhys = 0;
711
712 LogRel(("HWACCM: Host CR4=%08X\n", pVM->hwaccm.s.vmx.hostCR4));
713 LogRel(("HWACCM: MSR_IA32_FEATURE_CONTROL = %RX64\n", pVM->hwaccm.s.vmx.msr.feature_ctrl));
714 LogRel(("HWACCM: MSR_IA32_VMX_BASIC_INFO = %RX64\n", pVM->hwaccm.s.vmx.msr.vmx_basic_info));
715 LogRel(("HWACCM: VMCS id = %x\n", MSR_IA32_VMX_BASIC_INFO_VMCS_ID(pVM->hwaccm.s.vmx.msr.vmx_basic_info)));
716 LogRel(("HWACCM: VMCS size = %x\n", MSR_IA32_VMX_BASIC_INFO_VMCS_SIZE(pVM->hwaccm.s.vmx.msr.vmx_basic_info)));
717 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"));
718 LogRel(("HWACCM: VMCS memory type = %x\n", MSR_IA32_VMX_BASIC_INFO_VMCS_MEM_TYPE(pVM->hwaccm.s.vmx.msr.vmx_basic_info)));
719 LogRel(("HWACCM: Dual monitor treatment = %d\n", MSR_IA32_VMX_BASIC_INFO_VMCS_DUAL_MON(pVM->hwaccm.s.vmx.msr.vmx_basic_info)));
720
721 LogRel(("HWACCM: MSR_IA32_VMX_PINBASED_CTLS = %RX64\n", pVM->hwaccm.s.vmx.msr.vmx_pin_ctls.u));
722 val = pVM->hwaccm.s.vmx.msr.vmx_pin_ctls.n.allowed1;
723 if (val & VMX_VMCS_CTRL_PIN_EXEC_CONTROLS_EXT_INT_EXIT)
724 LogRel(("HWACCM: VMX_VMCS_CTRL_PIN_EXEC_CONTROLS_EXT_INT_EXIT\n"));
725 if (val & VMX_VMCS_CTRL_PIN_EXEC_CONTROLS_NMI_EXIT)
726 LogRel(("HWACCM: VMX_VMCS_CTRL_PIN_EXEC_CONTROLS_NMI_EXIT\n"));
727 if (val & VMX_VMCS_CTRL_PIN_EXEC_CONTROLS_VIRTUAL_NMI)
728 LogRel(("HWACCM: VMX_VMCS_CTRL_PIN_EXEC_CONTROLS_VIRTUAL_NMI\n"));
729 if (val & VMX_VMCS_CTRL_PIN_EXEC_CONTROLS_PREEMPT_TIMER)
730 LogRel(("HWACCM: VMX_VMCS_CTRL_PIN_EXEC_CONTROLS_PREEMPT_TIMER\n"));
731 val = pVM->hwaccm.s.vmx.msr.vmx_pin_ctls.n.disallowed0;
732 if (val & VMX_VMCS_CTRL_PIN_EXEC_CONTROLS_EXT_INT_EXIT)
733 LogRel(("HWACCM: VMX_VMCS_CTRL_PIN_EXEC_CONTROLS_EXT_INT_EXIT *must* be set\n"));
734 if (val & VMX_VMCS_CTRL_PIN_EXEC_CONTROLS_NMI_EXIT)
735 LogRel(("HWACCM: VMX_VMCS_CTRL_PIN_EXEC_CONTROLS_NMI_EXIT *must* be set\n"));
736 if (val & VMX_VMCS_CTRL_PIN_EXEC_CONTROLS_VIRTUAL_NMI)
737 LogRel(("HWACCM: VMX_VMCS_CTRL_PIN_EXEC_CONTROLS_VIRTUAL_NMI *must* be set\n"));
738 if (val & VMX_VMCS_CTRL_PIN_EXEC_CONTROLS_PREEMPT_TIMER)
739 LogRel(("HWACCM: VMX_VMCS_CTRL_PIN_EXEC_CONTROLS_PREEMPT_TIMER *must* be set\n"));
740
741 LogRel(("HWACCM: MSR_IA32_VMX_PROCBASED_CTLS = %RX64\n", pVM->hwaccm.s.vmx.msr.vmx_proc_ctls.u));
742 val = pVM->hwaccm.s.vmx.msr.vmx_proc_ctls.n.allowed1;
743 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_IRQ_WINDOW_EXIT)
744 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_IRQ_WINDOW_EXIT\n"));
745 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_TSC_OFFSET)
746 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_TSC_OFFSET\n"));
747 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_HLT_EXIT)
748 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_HLT_EXIT\n"));
749 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_INVLPG_EXIT)
750 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_INVLPG_EXIT\n"));
751 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_MWAIT_EXIT)
752 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_MWAIT_EXIT\n"));
753 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_RDPMC_EXIT)
754 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_RDPMC_EXIT\n"));
755 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_RDTSC_EXIT)
756 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_RDTSC_EXIT\n"));
757 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_CR3_LOAD_EXIT)
758 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_CR3_LOAD_EXIT\n"));
759 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_CR3_STORE_EXIT)
760 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_CR3_STORE_EXIT\n"));
761 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_CR8_LOAD_EXIT)
762 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_CR8_LOAD_EXIT\n"));
763 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_CR8_STORE_EXIT)
764 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_CR8_STORE_EXIT\n"));
765 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_USE_TPR_SHADOW)
766 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_USE_TPR_SHADOW\n"));
767 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_NMI_WINDOW_EXIT)
768 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_NMI_WINDOW_EXIT\n"));
769 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_MOV_DR_EXIT)
770 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_MOV_DR_EXIT\n"));
771 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_UNCOND_IO_EXIT)
772 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_UNCOND_IO_EXIT\n"));
773 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_USE_IO_BITMAPS)
774 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_USE_IO_BITMAPS\n"));
775 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_MONITOR_TRAP_FLAG)
776 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_MONITOR_TRAP_FLAG\n"));
777 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_USE_MSR_BITMAPS)
778 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_USE_MSR_BITMAPS\n"));
779 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_MONITOR_EXIT)
780 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_MONITOR_EXIT\n"));
781 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_PAUSE_EXIT)
782 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_PAUSE_EXIT\n"));
783 if (val & VMX_VMCS_CTRL_PROC_EXEC_USE_SECONDARY_EXEC_CTRL)
784 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_USE_SECONDARY_EXEC_CTRL\n"));
785
786 val = pVM->hwaccm.s.vmx.msr.vmx_proc_ctls.n.disallowed0;
787 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_IRQ_WINDOW_EXIT)
788 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_IRQ_WINDOW_EXIT *must* be set\n"));
789 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_TSC_OFFSET)
790 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_TSC_OFFSET *must* be set\n"));
791 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_HLT_EXIT)
792 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_HLT_EXIT *must* be set\n"));
793 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_INVLPG_EXIT)
794 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_INVLPG_EXIT *must* be set\n"));
795 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_MWAIT_EXIT)
796 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_MWAIT_EXIT *must* be set\n"));
797 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_RDPMC_EXIT)
798 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_RDPMC_EXIT *must* be set\n"));
799 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_RDTSC_EXIT)
800 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_RDTSC_EXIT *must* be set\n"));
801 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_CR3_LOAD_EXIT)
802 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_CR3_LOAD_EXIT *must* be set\n"));
803 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_CR3_STORE_EXIT)
804 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_CR3_STORE_EXIT *must* be set\n"));
805 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_CR8_LOAD_EXIT)
806 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_CR8_LOAD_EXIT *must* be set\n"));
807 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_CR8_STORE_EXIT)
808 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_CR8_STORE_EXIT *must* be set\n"));
809 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_USE_TPR_SHADOW)
810 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_USE_TPR_SHADOW *must* be set\n"));
811 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_NMI_WINDOW_EXIT)
812 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_NMI_WINDOW_EXIT *must* be set\n"));
813 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_MOV_DR_EXIT)
814 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_MOV_DR_EXIT *must* be set\n"));
815 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_UNCOND_IO_EXIT)
816 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_UNCOND_IO_EXIT *must* be set\n"));
817 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_USE_IO_BITMAPS)
818 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_USE_IO_BITMAPS *must* be set\n"));
819 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_MONITOR_TRAP_FLAG)
820 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_MONITOR_TRAP_FLAG *must* be set\n"));
821 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_USE_MSR_BITMAPS)
822 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_USE_MSR_BITMAPS *must* be set\n"));
823 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_MONITOR_EXIT)
824 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_MONITOR_EXIT *must* be set\n"));
825 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_PAUSE_EXIT)
826 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_PAUSE_EXIT *must* be set\n"));
827 if (val & VMX_VMCS_CTRL_PROC_EXEC_USE_SECONDARY_EXEC_CTRL)
828 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_USE_SECONDARY_EXEC_CTRL *must* be set\n"));
829
830 if (pVM->hwaccm.s.vmx.msr.vmx_proc_ctls.n.allowed1 & VMX_VMCS_CTRL_PROC_EXEC_USE_SECONDARY_EXEC_CTRL)
831 {
832 LogRel(("HWACCM: MSR_IA32_VMX_PROCBASED_CTLS2 = %RX64\n", pVM->hwaccm.s.vmx.msr.vmx_proc_ctls2.u));
833 val = pVM->hwaccm.s.vmx.msr.vmx_proc_ctls2.n.allowed1;
834 if (val & VMX_VMCS_CTRL_PROC_EXEC2_VIRT_APIC)
835 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC2_VIRT_APIC\n"));
836 if (val & VMX_VMCS_CTRL_PROC_EXEC2_EPT)
837 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC2_EPT\n"));
838 if (val & VMX_VMCS_CTRL_PROC_EXEC2_DESCRIPTOR_INSTR_EXIT)
839 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC2_DESCRIPTOR_INSTR_EXIT\n"));
840 if (val & VMX_VMCS_CTRL_PROC_EXEC2_X2APIC)
841 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC2_X2APIC\n"));
842 if (val & VMX_VMCS_CTRL_PROC_EXEC2_VPID)
843 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC2_VPID\n"));
844 if (val & VMX_VMCS_CTRL_PROC_EXEC2_WBINVD_EXIT)
845 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC2_WBINVD_EXIT\n"));
846
847 val = pVM->hwaccm.s.vmx.msr.vmx_proc_ctls2.n.disallowed0;
848 if (val & VMX_VMCS_CTRL_PROC_EXEC2_VIRT_APIC)
849 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC2_VIRT_APIC *must* be set\n"));
850 if (val & VMX_VMCS_CTRL_PROC_EXEC2_DESCRIPTOR_INSTR_EXIT)
851 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC2_DESCRIPTOR_INSTR_EXIT *must* be set\n"));
852 if (val & VMX_VMCS_CTRL_PROC_EXEC2_X2APIC)
853 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC2_X2APIC *must* be set\n"));
854 if (val & VMX_VMCS_CTRL_PROC_EXEC2_EPT)
855 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC2_EPT *must* be set\n"));
856 if (val & VMX_VMCS_CTRL_PROC_EXEC2_VPID)
857 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC2_VPID *must* be set\n"));
858 if (val & VMX_VMCS_CTRL_PROC_EXEC2_WBINVD_EXIT)
859 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC2_WBINVD_EXIT *must* be set\n"));
860 }
861
862 LogRel(("HWACCM: MSR_IA32_VMX_ENTRY_CTLS = %RX64\n", pVM->hwaccm.s.vmx.msr.vmx_entry.u));
863 val = pVM->hwaccm.s.vmx.msr.vmx_entry.n.allowed1;
864 if (val & VMX_VMCS_CTRL_ENTRY_CONTROLS_LOAD_DEBUG)
865 LogRel(("HWACCM: VMX_VMCS_CTRL_ENTRY_CONTROLS_LOAD_DEBUG\n"));
866 if (val & VMX_VMCS_CTRL_ENTRY_CONTROLS_IA64_MODE)
867 LogRel(("HWACCM: VMX_VMCS_CTRL_ENTRY_CONTROLS_IA64_MODE\n"));
868 if (val & VMX_VMCS_CTRL_ENTRY_CONTROLS_ENTRY_SMM)
869 LogRel(("HWACCM: VMX_VMCS_CTRL_ENTRY_CONTROLS_ENTRY_SMM\n"));
870 if (val & VMX_VMCS_CTRL_ENTRY_CONTROLS_DEACTIVATE_DUALMON)
871 LogRel(("HWACCM: VMX_VMCS_CTRL_ENTRY_CONTROLS_DEACTIVATE_DUALMON\n"));
872 if (val & VMX_VMCS_CTRL_ENTRY_CONTROLS_LOAD_GUEST_PERF_MSR)
873 LogRel(("HWACCM: VMX_VMCS_CTRL_ENTRY_CONTROLS_LOAD_GUEST_PERF_MSR\n"));
874 if (val & VMX_VMCS_CTRL_ENTRY_CONTROLS_LOAD_GUEST_PAT_MSR)
875 LogRel(("HWACCM: VMX_VMCS_CTRL_ENTRY_CONTROLS_LOAD_GUEST_PAT_MSR\n"));
876 if (val & VMX_VMCS_CTRL_ENTRY_CONTROLS_LOAD_GUEST_EFER_MSR)
877 LogRel(("HWACCM: VMX_VMCS_CTRL_ENTRY_CONTROLS_LOAD_GUEST_EFER_MSR\n"));
878 val = pVM->hwaccm.s.vmx.msr.vmx_entry.n.disallowed0;
879 if (val & VMX_VMCS_CTRL_ENTRY_CONTROLS_LOAD_DEBUG)
880 LogRel(("HWACCM: VMX_VMCS_CTRL_ENTRY_CONTROLS_LOAD_DEBUG *must* be set\n"));
881 if (val & VMX_VMCS_CTRL_ENTRY_CONTROLS_IA64_MODE)
882 LogRel(("HWACCM: VMX_VMCS_CTRL_ENTRY_CONTROLS_IA64_MODE *must* be set\n"));
883 if (val & VMX_VMCS_CTRL_ENTRY_CONTROLS_ENTRY_SMM)
884 LogRel(("HWACCM: VMX_VMCS_CTRL_ENTRY_CONTROLS_ENTRY_SMM *must* be set\n"));
885 if (val & VMX_VMCS_CTRL_ENTRY_CONTROLS_DEACTIVATE_DUALMON)
886 LogRel(("HWACCM: VMX_VMCS_CTRL_ENTRY_CONTROLS_DEACTIVATE_DUALMON *must* be set\n"));
887 if (val & VMX_VMCS_CTRL_ENTRY_CONTROLS_LOAD_GUEST_PERF_MSR)
888 LogRel(("HWACCM: VMX_VMCS_CTRL_ENTRY_CONTROLS_LOAD_GUEST_PERF_MSR *must* be set\n"));
889 if (val & VMX_VMCS_CTRL_ENTRY_CONTROLS_LOAD_GUEST_PAT_MSR)
890 LogRel(("HWACCM: VMX_VMCS_CTRL_ENTRY_CONTROLS_LOAD_GUEST_PAT_MSR *must* be set\n"));
891 if (val & VMX_VMCS_CTRL_ENTRY_CONTROLS_LOAD_GUEST_EFER_MSR)
892 LogRel(("HWACCM: VMX_VMCS_CTRL_ENTRY_CONTROLS_LOAD_GUEST_EFER_MSR *must* be set\n"));
893
894 LogRel(("HWACCM: MSR_IA32_VMX_EXIT_CTLS = %RX64\n", pVM->hwaccm.s.vmx.msr.vmx_exit.u));
895 val = pVM->hwaccm.s.vmx.msr.vmx_exit.n.allowed1;
896 if (val & VMX_VMCS_CTRL_EXIT_CONTROLS_SAVE_DEBUG)
897 LogRel(("HWACCM: VMX_VMCS_CTRL_EXIT_CONTROLS_SAVE_DEBUG\n"));
898 if (val & VMX_VMCS_CTRL_EXIT_CONTROLS_HOST_AMD64)
899 LogRel(("HWACCM: VMX_VMCS_CTRL_EXIT_CONTROLS_HOST_AMD64\n"));
900 if (val & VMX_VMCS_CTRL_EXIT_CONTROLS_ACK_EXTERNAL_IRQ)
901 LogRel(("HWACCM: VMX_VMCS_CTRL_EXIT_CONTROLS_ACK_EXTERNAL_IRQ\n"));
902 if (val & VMX_VMCS_CTRL_EXIT_CONTROLS_SAVE_GUEST_PAT_MSR)
903 LogRel(("HWACCM: VMX_VMCS_CTRL_EXIT_CONTROLS_SAVE_GUEST_PAT_MSR\n"));
904 if (val & VMX_VMCS_CTRL_EXIT_CONTROLS_LOAD_HOST_PAT_MSR)
905 LogRel(("HWACCM: VMX_VMCS_CTRL_EXIT_CONTROLS_LOAD_HOST_PAT_MSR\n"));
906 if (val & VMX_VMCS_CTRL_EXIT_CONTROLS_SAVE_GUEST_EFER_MSR)
907 LogRel(("HWACCM: VMX_VMCS_CTRL_EXIT_CONTROLS_SAVE_GUEST_EFER_MSR\n"));
908 if (val & VMX_VMCS_CTRL_EXIT_CONTROLS_LOAD_HOST_EFER_MSR)
909 LogRel(("HWACCM: VMX_VMCS_CTRL_EXIT_CONTROLS_LOAD_HOST_EFER_MSR\n"));
910 if (val & VMX_VMCS_CTRL_EXIT_CONTROLS_SAVE_VMX_PREEMPT_TIMER)
911 LogRel(("HWACCM: VMX_VMCS_CTRL_EXIT_CONTROLS_SAVE_VMX_PREEMPT_TIMER\n"));
912 val = pVM->hwaccm.s.vmx.msr.vmx_exit.n.disallowed0;
913 if (val & VMX_VMCS_CTRL_EXIT_CONTROLS_SAVE_DEBUG)
914 LogRel(("HWACCM: VMX_VMCS_CTRL_EXIT_CONTROLS_SAVE_DEBUG *must* be set\n"));
915 if (val & VMX_VMCS_CTRL_EXIT_CONTROLS_HOST_AMD64)
916 LogRel(("HWACCM: VMX_VMCS_CTRL_EXIT_CONTROLS_HOST_AMD64 *must* be set\n"));
917 if (val & VMX_VMCS_CTRL_EXIT_CONTROLS_ACK_EXTERNAL_IRQ)
918 LogRel(("HWACCM: VMX_VMCS_CTRL_EXIT_CONTROLS_ACK_EXTERNAL_IRQ *must* be set\n"));
919 if (val & VMX_VMCS_CTRL_EXIT_CONTROLS_SAVE_GUEST_PAT_MSR)
920 LogRel(("HWACCM: VMX_VMCS_CTRL_EXIT_CONTROLS_SAVE_GUEST_PAT_MSR *must* be set\n"));
921 if (val & VMX_VMCS_CTRL_EXIT_CONTROLS_LOAD_HOST_PAT_MSR)
922 LogRel(("HWACCM: VMX_VMCS_CTRL_EXIT_CONTROLS_LOAD_HOST_PAT_MSR *must* be set\n"));
923 if (val & VMX_VMCS_CTRL_EXIT_CONTROLS_SAVE_GUEST_EFER_MSR)
924 LogRel(("HWACCM: VMX_VMCS_CTRL_EXIT_CONTROLS_SAVE_GUEST_EFER_MSR *must* be set\n"));
925 if (val & VMX_VMCS_CTRL_EXIT_CONTROLS_LOAD_HOST_EFER_MSR)
926 LogRel(("HWACCM: VMX_VMCS_CTRL_EXIT_CONTROLS_LOAD_HOST_EFER_MSR *must* be set\n"));
927 if (val & VMX_VMCS_CTRL_EXIT_CONTROLS_SAVE_VMX_PREEMPT_TIMER)
928 LogRel(("HWACCM: VMX_VMCS_CTRL_EXIT_CONTROLS_SAVE_VMX_PREEMPT_TIMER *must* be set\n"));
929
930 if (pVM->hwaccm.s.vmx.msr.vmx_eptcaps)
931 {
932 LogRel(("HWACCM: MSR_IA32_VMX_EPT_VPID_CAPS = %RX64\n", pVM->hwaccm.s.vmx.msr.vmx_eptcaps));
933
934 if (pVM->hwaccm.s.vmx.msr.vmx_eptcaps & MSR_IA32_VMX_EPT_CAPS_RWX_X_ONLY)
935 LogRel(("HWACCM: MSR_IA32_VMX_EPT_CAPS_RWX_X_ONLY\n"));
936 if (pVM->hwaccm.s.vmx.msr.vmx_eptcaps & MSR_IA32_VMX_EPT_CAPS_RWX_W_ONLY)
937 LogRel(("HWACCM: MSR_IA32_VMX_EPT_CAPS_RWX_W_ONLY\n"));
938 if (pVM->hwaccm.s.vmx.msr.vmx_eptcaps & MSR_IA32_VMX_EPT_CAPS_RWX_WX_ONLY)
939 LogRel(("HWACCM: MSR_IA32_VMX_EPT_CAPS_RWX_WX_ONLY\n"));
940 if (pVM->hwaccm.s.vmx.msr.vmx_eptcaps & MSR_IA32_VMX_EPT_CAPS_GAW_21_BITS)
941 LogRel(("HWACCM: MSR_IA32_VMX_EPT_CAPS_GAW_21_BITS\n"));
942 if (pVM->hwaccm.s.vmx.msr.vmx_eptcaps & MSR_IA32_VMX_EPT_CAPS_GAW_30_BITS)
943 LogRel(("HWACCM: MSR_IA32_VMX_EPT_CAPS_GAW_30_BITS\n"));
944 if (pVM->hwaccm.s.vmx.msr.vmx_eptcaps & MSR_IA32_VMX_EPT_CAPS_GAW_39_BITS)
945 LogRel(("HWACCM: MSR_IA32_VMX_EPT_CAPS_GAW_39_BITS\n"));
946 if (pVM->hwaccm.s.vmx.msr.vmx_eptcaps & MSR_IA32_VMX_EPT_CAPS_GAW_48_BITS)
947 LogRel(("HWACCM: MSR_IA32_VMX_EPT_CAPS_GAW_48_BITS\n"));
948 if (pVM->hwaccm.s.vmx.msr.vmx_eptcaps & MSR_IA32_VMX_EPT_CAPS_GAW_57_BITS)
949 LogRel(("HWACCM: MSR_IA32_VMX_EPT_CAPS_GAW_57_BITS\n"));
950 if (pVM->hwaccm.s.vmx.msr.vmx_eptcaps & MSR_IA32_VMX_EPT_CAPS_EMT_UC)
951 LogRel(("HWACCM: MSR_IA32_VMX_EPT_CAPS_EMT_UC\n"));
952 if (pVM->hwaccm.s.vmx.msr.vmx_eptcaps & MSR_IA32_VMX_EPT_CAPS_EMT_WC)
953 LogRel(("HWACCM: MSR_IA32_VMX_EPT_CAPS_EMT_WC\n"));
954 if (pVM->hwaccm.s.vmx.msr.vmx_eptcaps & MSR_IA32_VMX_EPT_CAPS_EMT_WT)
955 LogRel(("HWACCM: MSR_IA32_VMX_EPT_CAPS_EMT_WT\n"));
956 if (pVM->hwaccm.s.vmx.msr.vmx_eptcaps & MSR_IA32_VMX_EPT_CAPS_EMT_WP)
957 LogRel(("HWACCM: MSR_IA32_VMX_EPT_CAPS_EMT_WP\n"));
958 if (pVM->hwaccm.s.vmx.msr.vmx_eptcaps & MSR_IA32_VMX_EPT_CAPS_EMT_WB)
959 LogRel(("HWACCM: MSR_IA32_VMX_EPT_CAPS_EMT_WB\n"));
960 if (pVM->hwaccm.s.vmx.msr.vmx_eptcaps & MSR_IA32_VMX_EPT_CAPS_SP_21_BITS)
961 LogRel(("HWACCM: MSR_IA32_VMX_EPT_CAPS_SP_21_BITS\n"));
962 if (pVM->hwaccm.s.vmx.msr.vmx_eptcaps & MSR_IA32_VMX_EPT_CAPS_SP_30_BITS)
963 LogRel(("HWACCM: MSR_IA32_VMX_EPT_CAPS_SP_30_BITS\n"));
964 if (pVM->hwaccm.s.vmx.msr.vmx_eptcaps & MSR_IA32_VMX_EPT_CAPS_SP_39_BITS)
965 LogRel(("HWACCM: MSR_IA32_VMX_EPT_CAPS_SP_39_BITS\n"));
966 if (pVM->hwaccm.s.vmx.msr.vmx_eptcaps & MSR_IA32_VMX_EPT_CAPS_SP_48_BITS)
967 LogRel(("HWACCM: MSR_IA32_VMX_EPT_CAPS_SP_48_BITS\n"));
968 if (pVM->hwaccm.s.vmx.msr.vmx_eptcaps & MSR_IA32_VMX_EPT_CAPS_INVEPT)
969 LogRel(("HWACCM: MSR_IA32_VMX_EPT_CAPS_INVEPT\n"));
970 if (pVM->hwaccm.s.vmx.msr.vmx_eptcaps & MSR_IA32_VMX_EPT_CAPS_INVEPT_CAPS_INDIV)
971 LogRel(("HWACCM: MSR_IA32_VMX_EPT_CAPS_INVEPT_CAPS_INDIV\n"));
972 if (pVM->hwaccm.s.vmx.msr.vmx_eptcaps & MSR_IA32_VMX_EPT_CAPS_INVEPT_CAPS_CONTEXT)
973 LogRel(("HWACCM: MSR_IA32_VMX_EPT_CAPS_INVEPT_CAPS_CONTEXT\n"));
974 if (pVM->hwaccm.s.vmx.msr.vmx_eptcaps & MSR_IA32_VMX_EPT_CAPS_INVEPT_CAPS_ALL)
975 LogRel(("HWACCM: MSR_IA32_VMX_EPT_CAPS_INVEPT_CAPS_ALL\n"));
976 if (pVM->hwaccm.s.vmx.msr.vmx_eptcaps & MSR_IA32_VMX_EPT_CAPS_INVVPID)
977 LogRel(("HWACCM: MSR_IA32_VMX_EPT_CAPS_INVVPID\n"));
978 if (pVM->hwaccm.s.vmx.msr.vmx_eptcaps & MSR_IA32_VMX_EPT_CAPS_INVVPID_CAPS_INDIV)
979 LogRel(("HWACCM: MSR_IA32_VMX_EPT_CAPS_INVVPID_CAPS_INDIV\n"));
980 if (pVM->hwaccm.s.vmx.msr.vmx_eptcaps & MSR_IA32_VMX_EPT_CAPS_INVVPID_CAPS_CONTEXT)
981 LogRel(("HWACCM: MSR_IA32_VMX_EPT_CAPS_INVVPID_CAPS_CONTEXT\n"));
982 if (pVM->hwaccm.s.vmx.msr.vmx_eptcaps & MSR_IA32_VMX_EPT_CAPS_INVVPID_CAPS_ALL)
983 LogRel(("HWACCM: MSR_IA32_VMX_EPT_CAPS_INVVPID_CAPS_ALL\n"));
984 if (pVM->hwaccm.s.vmx.msr.vmx_eptcaps & MSR_IA32_VMX_EPT_CAPS_INVVPID_CAPS_CONTEXT_GLOBAL)
985 LogRel(("HWACCM: MSR_IA32_VMX_EPT_CAPS_INVVPID_CAPS_CONTEXT_GLOBAL\n"));
986 }
987
988 LogRel(("HWACCM: MSR_IA32_VMX_MISC = %RX64\n", pVM->hwaccm.s.vmx.msr.vmx_misc));
989 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)));
990 LogRel(("HWACCM: MSR_IA32_VMX_MISC_ACTIVITY_STATES %x\n", MSR_IA32_VMX_MISC_ACTIVITY_STATES(pVM->hwaccm.s.vmx.msr.vmx_misc)));
991 LogRel(("HWACCM: MSR_IA32_VMX_MISC_CR3_TARGET %x\n", MSR_IA32_VMX_MISC_CR3_TARGET(pVM->hwaccm.s.vmx.msr.vmx_misc)));
992 LogRel(("HWACCM: MSR_IA32_VMX_MISC_MAX_MSR %x\n", MSR_IA32_VMX_MISC_MAX_MSR(pVM->hwaccm.s.vmx.msr.vmx_misc)));
993 LogRel(("HWACCM: MSR_IA32_VMX_MISC_MSEG_ID %x\n", MSR_IA32_VMX_MISC_MSEG_ID(pVM->hwaccm.s.vmx.msr.vmx_misc)));
994
995 LogRel(("HWACCM: MSR_IA32_VMX_CR0_FIXED0 = %RX64\n", pVM->hwaccm.s.vmx.msr.vmx_cr0_fixed0));
996 LogRel(("HWACCM: MSR_IA32_VMX_CR0_FIXED1 = %RX64\n", pVM->hwaccm.s.vmx.msr.vmx_cr0_fixed1));
997 LogRel(("HWACCM: MSR_IA32_VMX_CR4_FIXED0 = %RX64\n", pVM->hwaccm.s.vmx.msr.vmx_cr4_fixed0));
998 LogRel(("HWACCM: MSR_IA32_VMX_CR4_FIXED1 = %RX64\n", pVM->hwaccm.s.vmx.msr.vmx_cr4_fixed1));
999 LogRel(("HWACCM: MSR_IA32_VMX_VMCS_ENUM = %RX64\n", pVM->hwaccm.s.vmx.msr.vmx_vmcs_enum));
1000
1001 LogRel(("HWACCM: TPR shadow physaddr = %RHp\n", pVM->hwaccm.s.vmx.pAPICPhys));
1002
1003 /* Paranoia */
1004 AssertRelease(MSR_IA32_VMX_MISC_MAX_MSR(pVM->hwaccm.s.vmx.msr.vmx_misc) >= 512);
1005
1006 for (VMCPUID i = 0; i < pVM->cCpus; i++)
1007 {
1008 LogRel(("HWACCM: VCPU%d: MSR bitmap physaddr = %RHp\n", i, pVM->aCpus[i].hwaccm.s.vmx.pMSRBitmapPhys));
1009 LogRel(("HWACCM: VCPU%d: VMCS physaddr = %RHp\n", i, pVM->aCpus[i].hwaccm.s.vmx.pVMCSPhys));
1010 }
1011
1012#ifdef HWACCM_VTX_WITH_EPT
1013 if (pVM->hwaccm.s.vmx.msr.vmx_proc_ctls2.n.allowed1 & VMX_VMCS_CTRL_PROC_EXEC2_EPT)
1014 pVM->hwaccm.s.fNestedPaging = pVM->hwaccm.s.fAllowNestedPaging;
1015#endif /* HWACCM_VTX_WITH_EPT */
1016#ifdef HWACCM_VTX_WITH_VPID
1017 if ( (pVM->hwaccm.s.vmx.msr.vmx_proc_ctls2.n.allowed1 & VMX_VMCS_CTRL_PROC_EXEC2_VPID)
1018 && !pVM->hwaccm.s.fNestedPaging) /* VPID and EPT are mutually exclusive. */
1019 pVM->hwaccm.s.vmx.fVPID = pVM->hwaccm.s.vmx.fAllowVPID;
1020#endif /* HWACCM_VTX_WITH_VPID */
1021
1022 /* Only try once. */
1023 pVM->hwaccm.s.fInitialized = true;
1024
1025 /* Allocate three pages for the TSS we need for real mode emulation. (2 page for the IO bitmap) */
1026#if 1
1027 rc = PDMR3VMMDevHeapAlloc(pVM, HWACCM_VTX_TOTAL_DEVHEAP_MEM, (RTR3PTR *)&pVM->hwaccm.s.vmx.pRealModeTSS);
1028#else
1029 rc = VERR_NO_MEMORY; /* simulation of no VMMDev Heap. */
1030#endif
1031 if (RT_SUCCESS(rc))
1032 {
1033 /* The I/O bitmap starts right after the virtual interrupt redirection bitmap. */
1034 ASMMemZero32(pVM->hwaccm.s.vmx.pRealModeTSS, sizeof(*pVM->hwaccm.s.vmx.pRealModeTSS));
1035 pVM->hwaccm.s.vmx.pRealModeTSS->offIoBitmap = sizeof(*pVM->hwaccm.s.vmx.pRealModeTSS);
1036 /* Bit set to 0 means redirection enabled. */
1037 memset(pVM->hwaccm.s.vmx.pRealModeTSS->IntRedirBitmap, 0x0, sizeof(pVM->hwaccm.s.vmx.pRealModeTSS->IntRedirBitmap));
1038 /* Allow all port IO, so the VT-x IO intercepts do their job. */
1039 memset(pVM->hwaccm.s.vmx.pRealModeTSS + 1, 0, PAGE_SIZE*2);
1040 *((unsigned char *)pVM->hwaccm.s.vmx.pRealModeTSS + HWACCM_VTX_TSS_SIZE - 2) = 0xff;
1041
1042 /* Construct a 1024 element page directory with 4 MB pages for the identity mapped page table used in
1043 * real and protected mode without paging with EPT.
1044 */
1045 pVM->hwaccm.s.vmx.pNonPagingModeEPTPageTable = (PX86PD)((char *)pVM->hwaccm.s.vmx.pRealModeTSS + PAGE_SIZE * 3);
1046 for (unsigned i=0;i<X86_PG_ENTRIES;i++)
1047 {
1048 pVM->hwaccm.s.vmx.pNonPagingModeEPTPageTable->a[i].u = _4M * i;
1049 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;
1050 }
1051
1052 /* We convert it here every time as pci regions could be reconfigured. */
1053 rc = PDMVMMDevHeapR3ToGCPhys(pVM, pVM->hwaccm.s.vmx.pRealModeTSS, &GCPhys);
1054 AssertRC(rc);
1055 LogRel(("HWACCM: Real Mode TSS guest physaddr = %RGp\n", GCPhys));
1056
1057 rc = PDMVMMDevHeapR3ToGCPhys(pVM, pVM->hwaccm.s.vmx.pNonPagingModeEPTPageTable, &GCPhys);
1058 AssertRC(rc);
1059 LogRel(("HWACCM: Non-Paging Mode EPT CR3 = %RGp\n", GCPhys));
1060 }
1061 else
1062 {
1063 LogRel(("HWACCM: No real mode VT-x support (PDMR3VMMDevHeapAlloc returned %Rrc)\n", rc));
1064 pVM->hwaccm.s.vmx.pRealModeTSS = NULL;
1065 pVM->hwaccm.s.vmx.pNonPagingModeEPTPageTable = NULL;
1066 }
1067
1068 rc = SUPR3CallVMMR0Ex(pVM->pVMR0, 0 /*idCpu*/, VMMR0_DO_HWACC_SETUP_VM, 0, NULL);
1069 AssertRC(rc);
1070 if (rc == VINF_SUCCESS)
1071 {
1072 pVM->fHWACCMEnabled = true;
1073 pVM->hwaccm.s.vmx.fEnabled = true;
1074 hwaccmR3DisableRawMode(pVM);
1075
1076 CPUMSetGuestCpuIdFeature(pVM, CPUMCPUIDFEATURE_SEP);
1077#ifdef VBOX_ENABLE_64_BITS_GUESTS
1078 if (pVM->hwaccm.s.fAllow64BitGuests)
1079 {
1080 CPUMSetGuestCpuIdFeature(pVM, CPUMCPUIDFEATURE_PAE);
1081 CPUMSetGuestCpuIdFeature(pVM, CPUMCPUIDFEATURE_LONG_MODE);
1082 CPUMSetGuestCpuIdFeature(pVM, CPUMCPUIDFEATURE_SYSCALL); /* 64 bits only on Intel CPUs */
1083 CPUMSetGuestCpuIdFeature(pVM, CPUMCPUIDFEATURE_LAHF);
1084 CPUMSetGuestCpuIdFeature(pVM, CPUMCPUIDFEATURE_NXE);
1085 }
1086 LogRel((pVM->hwaccm.s.fAllow64BitGuests
1087 ? "HWACCM: 32-bit and 64-bit guests supported.\n"
1088 : "HWACCM: 32-bit guests supported.\n"));
1089#else
1090 LogRel(("HWACCM: 32-bit guests supported.\n"));
1091#endif
1092 LogRel(("HWACCM: VMX enabled!\n"));
1093 if (pVM->hwaccm.s.fNestedPaging)
1094 {
1095 LogRel(("HWACCM: Enabled nested paging\n"));
1096 LogRel(("HWACCM: EPT root page = %RHp\n", PGMGetHyperCR3(VMMGetCpu(pVM))));
1097 }
1098 if (pVM->hwaccm.s.vmx.fVPID)
1099 LogRel(("HWACCM: Enabled VPID\n"));
1100
1101 if ( pVM->hwaccm.s.fNestedPaging
1102 || pVM->hwaccm.s.vmx.fVPID)
1103 {
1104 LogRel(("HWACCM: enmFlushPage %d\n", pVM->hwaccm.s.vmx.enmFlushPage));
1105 LogRel(("HWACCM: enmFlushContext %d\n", pVM->hwaccm.s.vmx.enmFlushContext));
1106 }
1107 }
1108 else
1109 {
1110 LogRel(("HWACCM: VMX setup failed with rc=%Rrc!\n", rc));
1111 LogRel(("HWACCM: Last instruction error %x\n", pVM->aCpus[0].hwaccm.s.vmx.lasterror.ulInstrError));
1112 pVM->fHWACCMEnabled = false;
1113 }
1114 }
1115 }
1116 else
1117 if (pVM->hwaccm.s.svm.fSupported)
1118 {
1119 Log(("pVM->hwaccm.s.svm.fSupported = %d\n", pVM->hwaccm.s.svm.fSupported));
1120
1121 if (pVM->hwaccm.s.fInitialized == false)
1122 {
1123 /* Erratum 170 which requires a forced TLB flush for each world switch:
1124 * See http://www.amd.com/us-en/assets/content_type/white_papers_and_tech_docs/33610.pdf
1125 *
1126 * All BH-G1/2 and DH-G1/2 models include a fix:
1127 * Athlon X2: 0x6b 1/2
1128 * 0x68 1/2
1129 * Athlon 64: 0x7f 1
1130 * 0x6f 2
1131 * Sempron: 0x7f 1/2
1132 * 0x6f 2
1133 * 0x6c 2
1134 * 0x7c 2
1135 * Turion 64: 0x68 2
1136 *
1137 */
1138 uint32_t u32Dummy;
1139 uint32_t u32Version, u32Family, u32Model, u32Stepping, u32BaseFamily;
1140 ASMCpuId(1, &u32Version, &u32Dummy, &u32Dummy, &u32Dummy);
1141 u32BaseFamily= (u32Version >> 8) & 0xf;
1142 u32Family = u32BaseFamily + (u32BaseFamily == 0xf ? ((u32Version >> 20) & 0x7f) : 0);
1143 u32Model = ((u32Version >> 4) & 0xf);
1144 u32Model = u32Model | ((u32BaseFamily == 0xf ? (u32Version >> 16) & 0x0f : 0) << 4);
1145 u32Stepping = u32Version & 0xf;
1146 if ( u32Family == 0xf
1147 && !((u32Model == 0x68 || u32Model == 0x6b || u32Model == 0x7f) && u32Stepping >= 1)
1148 && !((u32Model == 0x6f || u32Model == 0x6c || u32Model == 0x7c) && u32Stepping >= 2))
1149 {
1150 LogRel(("HWACMM: AMD cpu with erratum 170 family %x model %x stepping %x\n", u32Family, u32Model, u32Stepping));
1151 }
1152
1153 LogRel(("HWACMM: cpuid 0x80000001.u32AMDFeatureECX = %RX32\n", pVM->hwaccm.s.cpuid.u32AMDFeatureECX));
1154 LogRel(("HWACMM: cpuid 0x80000001.u32AMDFeatureEDX = %RX32\n", pVM->hwaccm.s.cpuid.u32AMDFeatureEDX));
1155 LogRel(("HWACCM: AMD-V revision = %X\n", pVM->hwaccm.s.svm.u32Rev));
1156 LogRel(("HWACCM: AMD-V max ASID = %d\n", pVM->hwaccm.s.uMaxASID));
1157 LogRel(("HWACCM: AMD-V features = %X\n", pVM->hwaccm.s.svm.u32Features));
1158
1159 if (pVM->hwaccm.s.svm.u32Features & AMD_CPUID_SVM_FEATURE_EDX_NESTED_PAGING)
1160 LogRel(("HWACCM: AMD_CPUID_SVM_FEATURE_EDX_NESTED_PAGING\n"));
1161 if (pVM->hwaccm.s.svm.u32Features & AMD_CPUID_SVM_FEATURE_EDX_LBR_VIRT)
1162 LogRel(("HWACCM: AMD_CPUID_SVM_FEATURE_EDX_LBR_VIRT\n"));
1163 if (pVM->hwaccm.s.svm.u32Features & AMD_CPUID_SVM_FEATURE_EDX_SVM_LOCK)
1164 LogRel(("HWACCM: AMD_CPUID_SVM_FEATURE_EDX_SVM_LOCK\n"));
1165 if (pVM->hwaccm.s.svm.u32Features & AMD_CPUID_SVM_FEATURE_EDX_NRIP_SAVE)
1166 LogRel(("HWACCM: AMD_CPUID_SVM_FEATURE_EDX_NRIP_SAVE\n"));
1167 if (pVM->hwaccm.s.svm.u32Features & AMD_CPUID_SVM_FEATURE_EDX_SSE_3_5_DISABLE)
1168 LogRel(("HWACCM: AMD_CPUID_SVM_FEATURE_EDX_SSE_3_5_DISABLE\n"));
1169 if (pVM->hwaccm.s.svm.u32Features & AMD_CPUID_SVM_FEATURE_EDX_PAUSE_FILTER)
1170 LogRel(("HWACCM: AMD_CPUID_SVM_FEATURE_EDX_PAUSE_FILTER\n"));
1171
1172 /* Only try once. */
1173 pVM->hwaccm.s.fInitialized = true;
1174
1175 if (pVM->hwaccm.s.svm.u32Features & AMD_CPUID_SVM_FEATURE_EDX_NESTED_PAGING)
1176 pVM->hwaccm.s.fNestedPaging = pVM->hwaccm.s.fAllowNestedPaging;
1177
1178 rc = SUPR3CallVMMR0Ex(pVM->pVMR0, 0 /*idCpu*/, VMMR0_DO_HWACC_SETUP_VM, 0, NULL);
1179 AssertRC(rc);
1180 if (rc == VINF_SUCCESS)
1181 {
1182 pVM->fHWACCMEnabled = true;
1183 pVM->hwaccm.s.svm.fEnabled = true;
1184
1185 if (pVM->hwaccm.s.fNestedPaging)
1186 LogRel(("HWACCM: Enabled nested paging\n"));
1187
1188 hwaccmR3DisableRawMode(pVM);
1189 CPUMSetGuestCpuIdFeature(pVM, CPUMCPUIDFEATURE_SEP);
1190 CPUMSetGuestCpuIdFeature(pVM, CPUMCPUIDFEATURE_SYSCALL);
1191 CPUMSetGuestCpuIdFeature(pVM, CPUMCPUIDFEATURE_RDTSCP);
1192#ifdef VBOX_ENABLE_64_BITS_GUESTS
1193 if (pVM->hwaccm.s.fAllow64BitGuests)
1194 {
1195 CPUMSetGuestCpuIdFeature(pVM, CPUMCPUIDFEATURE_PAE);
1196 CPUMSetGuestCpuIdFeature(pVM, CPUMCPUIDFEATURE_LONG_MODE);
1197 CPUMSetGuestCpuIdFeature(pVM, CPUMCPUIDFEATURE_NXE);
1198 CPUMSetGuestCpuIdFeature(pVM, CPUMCPUIDFEATURE_LAHF);
1199 }
1200#endif
1201 LogRel((pVM->hwaccm.s.fAllow64BitGuests
1202 ? "HWACCM: 32-bit and 64-bit guest supported.\n"
1203 : "HWACCM: 32-bit guest supported.\n"));
1204
1205 LogRel(("HWACCM: TPR Patching %s.\n", (pVM->hwaccm.s.fTRPPatchingAllowed) ? "enabled" : "disabled"));
1206 }
1207 else
1208 {
1209 pVM->fHWACCMEnabled = false;
1210 }
1211 }
1212 }
1213 if (pVM->fHWACCMEnabled)
1214 LogRel(("HWACCM: VT-x/AMD-V init method: %s\n", (pVM->hwaccm.s.fGlobalInit) ? "GLOBAL" : "LOCAL"));
1215 return VINF_SUCCESS;
1216}
1217
1218/**
1219 * Applies relocations to data and code managed by this
1220 * component. This function will be called at init and
1221 * whenever the VMM need to relocate it self inside the GC.
1222 *
1223 * @param pVM The VM.
1224 */
1225VMMR3DECL(void) HWACCMR3Relocate(PVM pVM)
1226{
1227 Log(("HWACCMR3Relocate to %RGv\n", MMHyperGetArea(pVM, 0)));
1228
1229 /* Fetch the current paging mode during the relocate callback during state loading. */
1230 if (VMR3GetState(pVM) == VMSTATE_LOADING)
1231 {
1232 for (VMCPUID i = 0; i < pVM->cCpus; i++)
1233 {
1234 PVMCPU pVCpu = &pVM->aCpus[i];
1235
1236 pVCpu->hwaccm.s.enmShadowMode = PGMGetShadowMode(pVCpu);
1237 Assert(pVCpu->hwaccm.s.vmx.enmCurrGuestMode == PGMGetGuestMode(pVCpu));
1238 pVCpu->hwaccm.s.vmx.enmCurrGuestMode = PGMGetGuestMode(pVCpu);
1239 }
1240 }
1241#if HC_ARCH_BITS == 32 && defined(VBOX_ENABLE_64_BITS_GUESTS) && !defined(VBOX_WITH_HYBRID_32BIT_KERNEL)
1242 if (pVM->fHWACCMEnabled)
1243 {
1244 int rc;
1245
1246 switch(PGMGetHostMode(pVM))
1247 {
1248 case PGMMODE_32_BIT:
1249 pVM->hwaccm.s.pfnHost32ToGuest64R0 = VMMR3GetHostToGuestSwitcher(pVM, VMMSWITCHER_32_TO_AMD64);
1250 break;
1251
1252 case PGMMODE_PAE:
1253 case PGMMODE_PAE_NX:
1254 pVM->hwaccm.s.pfnHost32ToGuest64R0 = VMMR3GetHostToGuestSwitcher(pVM, VMMSWITCHER_PAE_TO_AMD64);
1255 break;
1256
1257 default:
1258 AssertFailed();
1259 break;
1260 }
1261 rc = PDMR3LdrGetSymbolRC(pVM, NULL, "VMXGCStartVM64", &pVM->hwaccm.s.pfnVMXGCStartVM64);
1262 AssertReleaseMsgRC(rc, ("VMXGCStartVM64 -> rc=%Rrc\n", rc));
1263
1264 rc = PDMR3LdrGetSymbolRC(pVM, NULL, "SVMGCVMRun64", &pVM->hwaccm.s.pfnSVMGCVMRun64);
1265 AssertReleaseMsgRC(rc, ("SVMGCVMRun64 -> rc=%Rrc\n", rc));
1266
1267 rc = PDMR3LdrGetSymbolRC(pVM, NULL, "HWACCMSaveGuestFPU64", &pVM->hwaccm.s.pfnSaveGuestFPU64);
1268 AssertReleaseMsgRC(rc, ("HWACCMSetupFPU64 -> rc=%Rrc\n", rc));
1269
1270 rc = PDMR3LdrGetSymbolRC(pVM, NULL, "HWACCMSaveGuestDebug64", &pVM->hwaccm.s.pfnSaveGuestDebug64);
1271 AssertReleaseMsgRC(rc, ("HWACCMSetupDebug64 -> rc=%Rrc\n", rc));
1272
1273# ifdef DEBUG
1274 rc = PDMR3LdrGetSymbolRC(pVM, NULL, "HWACCMTestSwitcher64", &pVM->hwaccm.s.pfnTest64);
1275 AssertReleaseMsgRC(rc, ("HWACCMTestSwitcher64 -> rc=%Rrc\n", rc));
1276# endif
1277 }
1278#endif
1279 return;
1280}
1281
1282/**
1283 * Checks hardware accelerated raw mode is allowed.
1284 *
1285 * @returns boolean
1286 * @param pVM The VM to operate on.
1287 */
1288VMMR3DECL(bool) HWACCMR3IsAllowed(PVM pVM)
1289{
1290 return pVM->hwaccm.s.fAllowed;
1291}
1292
1293/**
1294 * Notification callback which is called whenever there is a chance that a CR3
1295 * value might have changed.
1296 *
1297 * This is called by PGM.
1298 *
1299 * @param pVM The VM to operate on.
1300 * @param pVCpu The VMCPU to operate on.
1301 * @param enmShadowMode New shadow paging mode.
1302 * @param enmGuestMode New guest paging mode.
1303 */
1304VMMR3DECL(void) HWACCMR3PagingModeChanged(PVM pVM, PVMCPU pVCpu, PGMMODE enmShadowMode, PGMMODE enmGuestMode)
1305{
1306 /* Ignore page mode changes during state loading. */
1307 if (VMR3GetState(pVCpu->pVMR3) == VMSTATE_LOADING)
1308 return;
1309
1310 pVCpu->hwaccm.s.enmShadowMode = enmShadowMode;
1311
1312 if ( pVM->hwaccm.s.vmx.fEnabled
1313 && pVM->fHWACCMEnabled)
1314 {
1315 if ( pVCpu->hwaccm.s.vmx.enmLastSeenGuestMode == PGMMODE_REAL
1316 && enmGuestMode >= PGMMODE_PROTECTED)
1317 {
1318 PCPUMCTX pCtx;
1319
1320 pCtx = CPUMQueryGuestCtxPtr(pVCpu);
1321
1322 /* After a real mode switch to protected mode we must force
1323 * CPL to 0. Our real mode emulation had to set it to 3.
1324 */
1325 pCtx->ssHid.Attr.n.u2Dpl = 0;
1326 }
1327 }
1328
1329 if (pVCpu->hwaccm.s.vmx.enmCurrGuestMode != enmGuestMode)
1330 {
1331 /* Keep track of paging mode changes. */
1332 pVCpu->hwaccm.s.vmx.enmPrevGuestMode = pVCpu->hwaccm.s.vmx.enmCurrGuestMode;
1333 pVCpu->hwaccm.s.vmx.enmCurrGuestMode = enmGuestMode;
1334
1335 /* Did we miss a change, because all code was executed in the recompiler? */
1336 if (pVCpu->hwaccm.s.vmx.enmLastSeenGuestMode == enmGuestMode)
1337 {
1338 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)));
1339 pVCpu->hwaccm.s.vmx.enmLastSeenGuestMode = pVCpu->hwaccm.s.vmx.enmPrevGuestMode;
1340 }
1341 }
1342
1343 /* Reset the contents of the read cache. */
1344 PVMCSCACHE pCache = &pVCpu->hwaccm.s.vmx.VMCSCache;
1345 for (unsigned j=0;j<pCache->Read.cValidEntries;j++)
1346 pCache->Read.aFieldVal[j] = 0;
1347}
1348
1349/**
1350 * Terminates the HWACCM.
1351 *
1352 * Termination means cleaning up and freeing all resources,
1353 * the VM it self is at this point powered off or suspended.
1354 *
1355 * @returns VBox status code.
1356 * @param pVM The VM to operate on.
1357 */
1358VMMR3DECL(int) HWACCMR3Term(PVM pVM)
1359{
1360 if (pVM->hwaccm.s.vmx.pRealModeTSS)
1361 {
1362 PDMR3VMMDevHeapFree(pVM, pVM->hwaccm.s.vmx.pRealModeTSS);
1363 pVM->hwaccm.s.vmx.pRealModeTSS = 0;
1364 }
1365 HWACCMR3TermCPU(pVM);
1366 return 0;
1367}
1368
1369/**
1370 * Terminates the per-VCPU HWACCM.
1371 *
1372 * Termination means cleaning up and freeing all resources,
1373 * the VM it self is at this point powered off or suspended.
1374 *
1375 * @returns VBox status code.
1376 * @param pVM The VM to operate on.
1377 */
1378VMMR3DECL(int) HWACCMR3TermCPU(PVM pVM)
1379{
1380 for (VMCPUID i = 0; i < pVM->cCpus; i++)
1381 {
1382 PVMCPU pVCpu = &pVM->aCpus[i];
1383
1384#ifdef VBOX_WITH_STATISTICS
1385 if (pVCpu->hwaccm.s.paStatExitReason)
1386 {
1387 MMHyperFree(pVM, pVCpu->hwaccm.s.paStatExitReason);
1388 pVCpu->hwaccm.s.paStatExitReason = NULL;
1389 pVCpu->hwaccm.s.paStatExitReasonR0 = NIL_RTR0PTR;
1390 }
1391 if (pVCpu->hwaccm.s.paStatInjectedIrqs)
1392 {
1393 MMHyperFree(pVM, pVCpu->hwaccm.s.paStatInjectedIrqs);
1394 pVCpu->hwaccm.s.paStatInjectedIrqs = NULL;
1395 pVCpu->hwaccm.s.paStatInjectedIrqsR0 = NIL_RTR0PTR;
1396 }
1397#endif
1398
1399#ifdef VBOX_WITH_CRASHDUMP_MAGIC
1400 memset(pVCpu->hwaccm.s.vmx.VMCSCache.aMagic, 0, sizeof(pVCpu->hwaccm.s.vmx.VMCSCache.aMagic));
1401 pVCpu->hwaccm.s.vmx.VMCSCache.uMagic = 0;
1402 pVCpu->hwaccm.s.vmx.VMCSCache.uPos = 0xffffffff;
1403#endif
1404 }
1405 return 0;
1406}
1407
1408/**
1409 * The VM is being reset.
1410 *
1411 * For the HWACCM component this means that any GDT/LDT/TSS monitors
1412 * needs to be removed.
1413 *
1414 * @param pVM VM handle.
1415 */
1416VMMR3DECL(void) HWACCMR3Reset(PVM pVM)
1417{
1418 LogFlow(("HWACCMR3Reset:\n"));
1419
1420 if (pVM->fHWACCMEnabled)
1421 hwaccmR3DisableRawMode(pVM);
1422
1423 for (VMCPUID i = 0; i < pVM->cCpus; i++)
1424 {
1425 PVMCPU pVCpu = &pVM->aCpus[i];
1426
1427 /* On first entry we'll sync everything. */
1428 pVCpu->hwaccm.s.fContextUseFlags = HWACCM_CHANGED_ALL;
1429
1430 pVCpu->hwaccm.s.vmx.cr0_mask = 0;
1431 pVCpu->hwaccm.s.vmx.cr4_mask = 0;
1432
1433 pVCpu->hwaccm.s.fActive = false;
1434 pVCpu->hwaccm.s.Event.fPending = false;
1435
1436 /* Reset state information for real-mode emulation in VT-x. */
1437 pVCpu->hwaccm.s.vmx.enmLastSeenGuestMode = PGMMODE_REAL;
1438 pVCpu->hwaccm.s.vmx.enmPrevGuestMode = PGMMODE_REAL;
1439 pVCpu->hwaccm.s.vmx.enmCurrGuestMode = PGMMODE_REAL;
1440
1441 /* Reset the contents of the read cache. */
1442 PVMCSCACHE pCache = &pVCpu->hwaccm.s.vmx.VMCSCache;
1443 for (unsigned j=0;j<pCache->Read.cValidEntries;j++)
1444 pCache->Read.aFieldVal[j] = 0;
1445
1446#ifdef VBOX_WITH_CRASHDUMP_MAGIC
1447 /* Magic marker for searching in crash dumps. */
1448 strcpy((char *)pCache->aMagic, "VMCSCACHE Magic");
1449 pCache->uMagic = UINT64_C(0xDEADBEEFDEADBEEF);
1450#endif
1451 }
1452
1453 /* Clear all patch information. */
1454 pVM->hwaccm.s.pGuestPatchMem = 0;
1455 pVM->hwaccm.s.pFreeGuestPatchMem = 0;
1456 pVM->hwaccm.s.cbGuestPatchMem = 0;
1457 pVM->hwaccm.s.svm.cPatches = 0;
1458 pVM->hwaccm.s.svm.PatchTree = 0;
1459 pVM->hwaccm.s.svm.fTPRPatchingActive = false;
1460 ASMMemZero32(pVM->hwaccm.s.svm.aPatches, sizeof(pVM->hwaccm.s.svm.aPatches));
1461}
1462
1463/**
1464 * Callback to patch a TPR instruction (vmmcall or mov cr8)
1465 *
1466 * @returns VBox strict status code.
1467 * @param pVM The VM handle.
1468 * @param pVCpu The VMCPU for the EMT we're being called on.
1469 * @param pvUser Unused
1470 *
1471 */
1472DECLCALLBACK(VBOXSTRICTRC) hwaccmR3RemovePatches(PVM pVM, PVMCPU pVCpu, void *pvUser)
1473{
1474 VMCPUID idCpu = (VMCPUID)(uintptr_t)pvUser;
1475
1476 /* Only execute the handler on the VCPU the original patch request was issued. */
1477 if (pVCpu->idCpu != idCpu)
1478 return VINF_SUCCESS;
1479
1480 Log(("hwaccmR3RemovePatches\n"));
1481 for (unsigned i = 0; i < pVM->hwaccm.s.svm.cPatches; i++)
1482 {
1483 uint8_t szInstr[15];
1484 PHWACCMTPRPATCH pPatch = &pVM->hwaccm.s.svm.aPatches[i];
1485 RTGCPTR pInstrGC = (RTGCPTR)pPatch->Core.Key;
1486 int rc;
1487
1488#ifdef LOG_ENABLED
1489 char szOutput[256];
1490
1491 rc = DBGFR3DisasInstrEx(pVM, pVCpu->idCpu, CPUMGetGuestCS(pVCpu), pInstrGC, 0, szOutput, sizeof(szOutput), 0);
1492 if (VBOX_SUCCESS(rc))
1493 Log(("Patched instr: %s\n", szOutput));
1494#endif
1495
1496 /* Check if the instruction is still the same. */
1497 rc = PGMPhysSimpleReadGCPtr(pVCpu, szInstr, pInstrGC, pPatch->cbNewOp);
1498 if (rc != VINF_SUCCESS)
1499 {
1500 Log(("Patched code removed? (rc=%Rrc0\n", rc));
1501 continue; /* swapped out or otherwise removed; skip it. */
1502 }
1503
1504 if (memcmp(szInstr, pPatch->aNewOpcode, pPatch->cbNewOp))
1505 {
1506 Log(("Patched instruction was changed! (rc=%Rrc0\n", rc));
1507 continue; /* skip it. */
1508 }
1509
1510 rc = PGMPhysSimpleWriteGCPtr(pVCpu, pInstrGC, pPatch->aOpcode, pPatch->cbOp);
1511 AssertRC(rc);
1512
1513#ifdef LOG_ENABLED
1514 rc = DBGFR3DisasInstrEx(pVM, pVCpu->idCpu, CPUMGetGuestCS(pVCpu), pInstrGC, 0, szOutput, sizeof(szOutput), 0);
1515 if (VBOX_SUCCESS(rc))
1516 Log(("Original instr: %s\n", szOutput));
1517#endif
1518 }
1519 pVM->hwaccm.s.svm.cPatches = 0;
1520 pVM->hwaccm.s.svm.PatchTree = 0;
1521 pVM->hwaccm.s.pFreeGuestPatchMem = pVM->hwaccm.s.pGuestPatchMem;
1522 pVM->hwaccm.s.svm.fTPRPatchingActive = false;
1523 return VINF_SUCCESS;
1524}
1525
1526/**
1527 * Enable patching in a VT-x/AMD-V guest
1528 *
1529 * @returns VBox status code.
1530 * @param pVM The VM to operate on.
1531 * @param idCpu VCPU to execute hwaccmR3RemovePatches on
1532 * @param pPatchMem Patch memory range
1533 * @param cbPatchMem Size of the memory range
1534 */
1535int hwaccmR3EnablePatching(PVM pVM, VMCPUID idCpu, RTRCPTR pPatchMem, unsigned cbPatchMem)
1536{
1537 int rc = VMMR3EmtRendezvous(pVM, VMMEMTRENDEZVOUS_FLAGS_TYPE_ONE_BY_ONE, hwaccmR3RemovePatches, (void *)idCpu);
1538 AssertRC(rc);
1539
1540 pVM->hwaccm.s.pGuestPatchMem = pPatchMem;
1541 pVM->hwaccm.s.pFreeGuestPatchMem = pPatchMem;
1542 pVM->hwaccm.s.cbGuestPatchMem = cbPatchMem;
1543 return VINF_SUCCESS;
1544}
1545
1546/**
1547 * Enable patching in a VT-x/AMD-V guest
1548 *
1549 * @returns VBox status code.
1550 * @param pVM The VM to operate on.
1551 * @param pPatchMem Patch memory range
1552 * @param cbPatchMem Size of the memory range
1553 */
1554VMMR3DECL(int) HWACMMR3EnablePatching(PVM pVM, RTGCPTR pPatchMem, unsigned cbPatchMem)
1555{
1556 Log(("HWACMMR3EnablePatching %RGv size %x\n", pPatchMem, cbPatchMem));
1557
1558 /* Current TPR patching only applies to AMD cpus.
1559 * Needs to be extended to Intel CPUs without the APIC TPR hardware optimization.
1560 */
1561 if (CPUMGetCPUVendor(pVM) != CPUMCPUVENDOR_AMD)
1562 return VERR_NOT_SUPPORTED;
1563
1564 if (pVM->cCpus > 1)
1565 {
1566 /* We own the IOM lock here and could cause a deadlock by waiting for a VCPU that is blocking on the IOM lock. */
1567 int rc = VMR3ReqCallNoWaitU(pVM->pUVM, VMCPUID_ANY_QUEUE,
1568 (PFNRT)hwaccmR3EnablePatching, 4, pVM, VMMGetCpuId(pVM), (RTRCPTR)pPatchMem, cbPatchMem);
1569 AssertRC(rc);
1570 return rc;
1571 }
1572 return hwaccmR3EnablePatching(pVM, VMMGetCpuId(pVM), (RTRCPTR)pPatchMem, cbPatchMem);
1573}
1574
1575/**
1576 * Disable patching in a VT-x/AMD-V guest
1577 *
1578 * @returns VBox status code.
1579 * @param pVM The VM to operate on.
1580 * @param pPatchMem Patch memory range
1581 * @param cbPatchMem Size of the memory range
1582 */
1583VMMR3DECL(int) HWACMMR3DisablePatching(PVM pVM, RTGCPTR pPatchMem, unsigned cbPatchMem)
1584{
1585 Log(("HWACMMR3DisablePatching %RGv size %x\n", pPatchMem, cbPatchMem));
1586
1587 Assert(pVM->hwaccm.s.pGuestPatchMem == pPatchMem);
1588 Assert(pVM->hwaccm.s.cbGuestPatchMem == cbPatchMem);
1589
1590 /* @todo Potential deadlock when other VCPUs are waiting on the IOM lock (we own it)!! */
1591 int rc = VMMR3EmtRendezvous(pVM, VMMEMTRENDEZVOUS_FLAGS_TYPE_ONE_BY_ONE, hwaccmR3RemovePatches, (void *)VMMGetCpuId(pVM));
1592 AssertRC(rc);
1593
1594 pVM->hwaccm.s.pGuestPatchMem = 0;
1595 pVM->hwaccm.s.pFreeGuestPatchMem = 0;
1596 pVM->hwaccm.s.cbGuestPatchMem = 0;
1597 pVM->hwaccm.s.svm.fTPRPatchingActive = false;
1598 return VINF_SUCCESS;
1599}
1600
1601
1602/**
1603 * Callback to patch a TPR instruction (vmmcall or mov cr8)
1604 *
1605 * @returns VBox strict status code.
1606 * @param pVM The VM handle.
1607 * @param pVCpu The VMCPU for the EMT we're being called on.
1608 * @param pvUser User specified CPU context
1609 *
1610 */
1611DECLCALLBACK(VBOXSTRICTRC) hwaccmR3ReplaceTprInstr(PVM pVM, PVMCPU pVCpu, void *pvUser)
1612{
1613 VMCPUID idCpu = (VMCPUID)(uintptr_t)pvUser;
1614 PCPUMCTX pCtx = CPUMQueryGuestCtxPtr(pVCpu);
1615 RTGCPTR oldrip = pCtx->rip;
1616 PDISCPUSTATE pDis = &pVCpu->hwaccm.s.DisState;
1617 unsigned cbOp;
1618
1619 /* 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) */
1620 if (pVCpu->idCpu != idCpu)
1621 return VINF_SUCCESS;
1622
1623 Log(("hwaccmR3ReplaceTprInstr: %RGv\n", pCtx->rip));
1624
1625 /* Two or more VCPUs were racing to patch this instruction. */
1626 PHWACCMTPRPATCH pPatch = (PHWACCMTPRPATCH)RTAvloU32Get(&pVM->hwaccm.s.svm.PatchTree, (AVLOU32KEY)pCtx->eip);
1627 if (pPatch)
1628 return VINF_SUCCESS;
1629
1630 Assert(pVM->hwaccm.s.svm.cPatches < RT_ELEMENTS(pVM->hwaccm.s.svm.aPatches));
1631
1632 int rc = EMInterpretDisasOne(pVM, pVCpu, CPUMCTX2CORE(pCtx), pDis, &cbOp);
1633 AssertRC(rc);
1634 if ( rc == VINF_SUCCESS
1635 && pDis->pCurInstr->opcode == OP_MOV
1636 && cbOp >= 3)
1637 {
1638 uint8_t aVMMCall[3] = { 0xf, 0x1, 0xd9};
1639 uint32_t idx = pVM->hwaccm.s.svm.cPatches;
1640 PHWACCMTPRPATCH pPatch = &pVM->hwaccm.s.svm.aPatches[idx];
1641
1642 rc = PGMPhysSimpleReadGCPtr(pVCpu, pPatch->aOpcode, pCtx->rip, cbOp);
1643 AssertRC(rc);
1644
1645 pPatch->cbOp = cbOp;
1646
1647 if (pDis->param1.flags == USE_DISPLACEMENT32)
1648 {
1649 /* write. */
1650 if (pDis->param2.flags == USE_REG_GEN32)
1651 {
1652 pPatch->enmType = HWACCMTPRINSTR_WRITE_REG;
1653 pPatch->uSrcOperand = pDis->param2.base.reg_gen;
1654 }
1655 else
1656 {
1657 Assert(pDis->param2.flags == USE_IMMEDIATE32);
1658 pPatch->enmType = HWACCMTPRINSTR_WRITE_IMM;
1659 pPatch->uSrcOperand = pDis->param2.parval;
1660 }
1661 rc = PGMPhysSimpleWriteGCPtr(pVCpu, pCtx->rip, aVMMCall, sizeof(aVMMCall));
1662 AssertRC(rc);
1663
1664 memcpy(pPatch->aNewOpcode, aVMMCall, sizeof(aVMMCall));
1665 pPatch->cbNewOp = sizeof(aVMMCall);
1666 }
1667 else
1668 {
1669 RTGCPTR oldrip = pCtx->rip;
1670 uint32_t oldcbOp = cbOp;
1671 uint32_t uMmioReg = pDis->param1.base.reg_gen;
1672
1673 /* read */
1674 Assert(pDis->param1.flags == USE_REG_GEN32);
1675
1676 /* Found:
1677 * mov eax, dword [fffe0080] (5 bytes)
1678 * Check if next instruction is:
1679 * shr eax, 4
1680 */
1681 pCtx->rip += cbOp;
1682 rc = EMInterpretDisasOne(pVM, pVCpu, CPUMCTX2CORE(pCtx), pDis, &cbOp);
1683 pCtx->rip = oldrip;
1684 if ( rc == VINF_SUCCESS
1685 && pDis->pCurInstr->opcode == OP_SHR
1686 && pDis->param1.flags == USE_REG_GEN32
1687 && pDis->param1.base.reg_gen == uMmioReg
1688 && pDis->param2.flags == USE_IMMEDIATE8
1689 && pDis->param2.parval == 4
1690 && oldcbOp + cbOp < sizeof(pVM->hwaccm.s.svm.aPatches[idx].aOpcode))
1691 {
1692 uint8_t szInstr[15];
1693
1694 /* Replacing two instructions now. */
1695 rc = PGMPhysSimpleReadGCPtr(pVCpu, &pPatch->aOpcode, pCtx->rip, oldcbOp + cbOp);
1696 AssertRC(rc);
1697
1698 pPatch->cbOp = oldcbOp + cbOp;
1699
1700 /* 0xF0, 0x0F, 0x20, 0xC0 = mov eax, cr8 */
1701 szInstr[0] = 0xF0;
1702 szInstr[1] = 0x0F;
1703 szInstr[2] = 0x20;
1704 szInstr[3] = 0xC0 | pDis->param1.base.reg_gen;
1705 for (unsigned i = 4; i < pPatch->cbOp; i++)
1706 szInstr[i] = 0x90; /* nop */
1707
1708 rc = PGMPhysSimpleWriteGCPtr(pVCpu, pCtx->rip, szInstr, pPatch->cbOp);
1709 AssertRC(rc);
1710
1711 memcpy(pPatch->aNewOpcode, szInstr, pPatch->cbOp);
1712 pPatch->cbNewOp = pPatch->cbOp;
1713
1714 Log(("Acceptable read/shr candidate!\n"));
1715 pPatch->enmType = HWACCMTPRINSTR_READ_SHR4;
1716 }
1717 else
1718 {
1719 pPatch->enmType = HWACCMTPRINSTR_READ;
1720 pPatch->uDstOperand = pDis->param1.base.reg_gen;
1721
1722 rc = PGMPhysSimpleWriteGCPtr(pVCpu, pCtx->rip, aVMMCall, sizeof(aVMMCall));
1723 AssertRC(rc);
1724
1725 memcpy(pPatch->aNewOpcode, aVMMCall, sizeof(aVMMCall));
1726 pPatch->cbNewOp = sizeof(aVMMCall);
1727 }
1728 }
1729
1730 pPatch->Core.Key = pCtx->eip;
1731 rc = RTAvloU32Insert(&pVM->hwaccm.s.svm.PatchTree, &pPatch->Core);
1732 AssertRC(rc);
1733
1734 pVM->hwaccm.s.svm.cPatches++;
1735 STAM_COUNTER_INC(&pVM->hwaccm.s.StatTPRReplaceSuccess);
1736 return VINF_SUCCESS;
1737 }
1738
1739 /* Save invalid patch, so we will not try again. */
1740 uint32_t idx = pVM->hwaccm.s.svm.cPatches;
1741
1742#ifdef LOG_ENABLED
1743 char szOutput[256];
1744 rc = DBGFR3DisasInstrEx(pVM, pVCpu->idCpu, pCtx->cs, pCtx->rip, 0, szOutput, sizeof(szOutput), 0);
1745 if (VBOX_SUCCESS(rc))
1746 Log(("Failed to patch instr: %s\n", szOutput));
1747#endif
1748
1749 pPatch = &pVM->hwaccm.s.svm.aPatches[idx];
1750 pPatch->Core.Key = pCtx->eip;
1751 pPatch->enmType = HWACCMTPRINSTR_INVALID;
1752 rc = RTAvloU32Insert(&pVM->hwaccm.s.svm.PatchTree, &pPatch->Core);
1753 AssertRC(rc);
1754 pVM->hwaccm.s.svm.cPatches++;
1755 STAM_COUNTER_INC(&pVM->hwaccm.s.StatTPRReplaceFailure);
1756 return VINF_SUCCESS;
1757}
1758
1759/**
1760 * Callback to patch a TPR instruction (jump to generated code)
1761 *
1762 * @returns VBox strict status code.
1763 * @param pVM The VM handle.
1764 * @param pVCpu The VMCPU for the EMT we're being called on.
1765 * @param pvUser User specified CPU context
1766 *
1767 */
1768DECLCALLBACK(VBOXSTRICTRC) hwaccmR3PatchTprInstr(PVM pVM, PVMCPU pVCpu, void *pvUser)
1769{
1770 VMCPUID idCpu = (VMCPUID)(uintptr_t)pvUser;
1771 PCPUMCTX pCtx = CPUMQueryGuestCtxPtr(pVCpu);
1772 PDISCPUSTATE pDis = &pVCpu->hwaccm.s.DisState;
1773 unsigned cbOp;
1774 int rc;
1775#ifdef LOG_ENABLED
1776 RTGCPTR pInstr;
1777 char szOutput[256];
1778#endif
1779
1780 /* 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) */
1781 if (pVCpu->idCpu != idCpu)
1782 return VINF_SUCCESS;
1783
1784 Assert(pVM->hwaccm.s.svm.cPatches < RT_ELEMENTS(pVM->hwaccm.s.svm.aPatches));
1785
1786 /* Two or more VCPUs were racing to patch this instruction. */
1787 PHWACCMTPRPATCH pPatch = (PHWACCMTPRPATCH)RTAvloU32Get(&pVM->hwaccm.s.svm.PatchTree, (AVLOU32KEY)pCtx->eip);
1788 if (pPatch)
1789 {
1790 Log(("hwaccmR3PatchTprInstr: already patched %RGv\n", pCtx->rip));
1791 return VINF_SUCCESS;
1792 }
1793
1794 Log(("hwaccmR3PatchTprInstr %RGv\n", pCtx->rip));
1795
1796 rc = EMInterpretDisasOne(pVM, pVCpu, CPUMCTX2CORE(pCtx), pDis, &cbOp);
1797 AssertRC(rc);
1798 if ( rc == VINF_SUCCESS
1799 && pDis->pCurInstr->opcode == OP_MOV
1800 && cbOp >= 5)
1801 {
1802 uint32_t idx = pVM->hwaccm.s.svm.cPatches;
1803 PHWACCMTPRPATCH pPatch = &pVM->hwaccm.s.svm.aPatches[idx];
1804 uint8_t aPatch[64];
1805 uint32_t off = 0;
1806
1807#ifdef LOG_ENABLED
1808 rc = DBGFR3DisasInstrEx(pVM, pVCpu->idCpu, pCtx->cs, pCtx->rip, 0, szOutput, sizeof(szOutput), 0);
1809 if (VBOX_SUCCESS(rc))
1810 Log(("Original instr: %s\n", szOutput));
1811#endif
1812
1813 rc = PGMPhysSimpleReadGCPtr(pVCpu, pPatch->aOpcode, pCtx->rip, cbOp);
1814 AssertRC(rc);
1815
1816 pPatch->cbOp = cbOp;
1817 pPatch->enmType = HWACCMTPRINSTR_JUMP_REPLACEMENT;
1818
1819 if (pDis->param1.flags == USE_DISPLACEMENT32)
1820 {
1821 /*
1822 * TPR write:
1823 *
1824 * push ECX [51]
1825 * push EDX [52]
1826 * push EAX [50]
1827 * xor EDX,EDX [31 D2]
1828 * mov EAX,EAX [89 C0]
1829 * or
1830 * mov EAX,0000000CCh [B8 CC 00 00 00]
1831 * mov ECX,0C0000082h [B9 82 00 00 C0]
1832 * wrmsr [0F 30]
1833 * pop EAX [58]
1834 * pop EDX [5A]
1835 * pop ECX [59]
1836 * jmp return_address [E9 return_address]
1837 *
1838 */
1839 bool fUsesEax = (pDis->param2.flags == USE_REG_GEN32 && pDis->param2.base.reg_gen == USE_REG_EAX);
1840
1841 aPatch[off++] = 0x51; /* push ecx */
1842 aPatch[off++] = 0x52; /* push edx */
1843 if (!fUsesEax)
1844 aPatch[off++] = 0x50; /* push eax */
1845 aPatch[off++] = 0x31; /* xor edx, edx */
1846 aPatch[off++] = 0xD2;
1847 if (pDis->param2.flags == USE_REG_GEN32)
1848 {
1849 if (!fUsesEax)
1850 {
1851 aPatch[off++] = 0x89; /* mov eax, src_reg */
1852 aPatch[off++] = MAKE_MODRM(3, pDis->param2.base.reg_gen, USE_REG_EAX);
1853 }
1854 }
1855 else
1856 {
1857 Assert(pDis->param2.flags == USE_IMMEDIATE32);
1858 aPatch[off++] = 0xB8; /* mov eax, immediate */
1859 *(uint32_t *)&aPatch[off] = pDis->param2.parval;
1860 off += sizeof(uint32_t);
1861 }
1862 aPatch[off++] = 0xB9; /* mov ecx, 0xc0000082 */
1863 *(uint32_t *)&aPatch[off] = MSR_K8_LSTAR;
1864 off += sizeof(uint32_t);
1865
1866 aPatch[off++] = 0x0F; /* wrmsr */
1867 aPatch[off++] = 0x30;
1868 if (!fUsesEax)
1869 aPatch[off++] = 0x58; /* pop eax */
1870 aPatch[off++] = 0x5A; /* pop edx */
1871 aPatch[off++] = 0x59; /* pop ecx */
1872 }
1873 else
1874 {
1875 /*
1876 * TPR read:
1877 *
1878 * push ECX [51]
1879 * push EDX [52]
1880 * push EAX [50]
1881 * mov ECX,0C0000082h [B9 82 00 00 C0]
1882 * rdmsr [0F 32]
1883 * mov EAX,EAX [89 C0]
1884 * pop EAX [58]
1885 * pop EDX [5A]
1886 * pop ECX [59]
1887 * jmp return_address [E9 return_address]
1888 *
1889 */
1890 Assert(pDis->param1.flags == USE_REG_GEN32);
1891
1892 if (pDis->param1.base.reg_gen != USE_REG_ECX)
1893 aPatch[off++] = 0x51; /* push ecx */
1894 if (pDis->param1.base.reg_gen != USE_REG_EDX)
1895 aPatch[off++] = 0x52; /* push edx */
1896 if (pDis->param1.base.reg_gen != USE_REG_EAX)
1897 aPatch[off++] = 0x50; /* push eax */
1898
1899 aPatch[off++] = 0x31; /* xor edx, edx */
1900 aPatch[off++] = 0xD2;
1901
1902 aPatch[off++] = 0xB9; /* mov ecx, 0xc0000082 */
1903 *(uint32_t *)&aPatch[off] = MSR_K8_LSTAR;
1904 off += sizeof(uint32_t);
1905
1906 aPatch[off++] = 0x0F; /* rdmsr */
1907 aPatch[off++] = 0x32;
1908
1909 if (pDis->param1.base.reg_gen != USE_REG_EAX)
1910 {
1911 aPatch[off++] = 0x89; /* mov dst_reg, eax */
1912 aPatch[off++] = MAKE_MODRM(3, USE_REG_EAX, pDis->param1.base.reg_gen);
1913 }
1914
1915 if (pDis->param1.base.reg_gen != USE_REG_EAX)
1916 aPatch[off++] = 0x58; /* pop eax */
1917 if (pDis->param1.base.reg_gen != USE_REG_EDX)
1918 aPatch[off++] = 0x5A; /* pop edx */
1919 if (pDis->param1.base.reg_gen != USE_REG_ECX)
1920 aPatch[off++] = 0x59; /* pop ecx */
1921 }
1922 aPatch[off++] = 0xE9; /* jmp return_address */
1923 *(RTRCUINTPTR *)&aPatch[off] = ((RTRCUINTPTR)pCtx->eip + cbOp) - ((RTRCUINTPTR)pVM->hwaccm.s.pFreeGuestPatchMem + off + 4);
1924 off += sizeof(RTRCUINTPTR);
1925
1926 if (pVM->hwaccm.s.pFreeGuestPatchMem + off <= pVM->hwaccm.s.pGuestPatchMem + pVM->hwaccm.s.cbGuestPatchMem)
1927 {
1928 /* Write new code to the patch buffer. */
1929 rc = PGMPhysSimpleWriteGCPtr(pVCpu, pVM->hwaccm.s.pFreeGuestPatchMem, aPatch, off);
1930 AssertRC(rc);
1931
1932#ifdef LOG_ENABLED
1933 pInstr = pVM->hwaccm.s.pFreeGuestPatchMem;
1934 while (true)
1935 {
1936 uint32_t cb;
1937
1938 rc = DBGFR3DisasInstrEx(pVM, pVCpu->idCpu, pCtx->cs, pInstr, 0, szOutput, sizeof(szOutput), &cb);
1939 if (VBOX_SUCCESS(rc))
1940 Log(("Patch instr %s\n", szOutput));
1941
1942 pInstr += cb;
1943
1944 if (pInstr >= pVM->hwaccm.s.pFreeGuestPatchMem + off)
1945 break;
1946 }
1947#endif
1948
1949 pPatch->aNewOpcode[0] = 0xE9;
1950 *(RTRCUINTPTR *)&pPatch->aNewOpcode[1] = ((RTRCUINTPTR)pVM->hwaccm.s.pFreeGuestPatchMem) - ((RTRCUINTPTR)pCtx->eip + 5);
1951
1952 /* Overwrite the TPR instruction with a jump. */
1953 rc = PGMPhysSimpleWriteGCPtr(pVCpu, pCtx->eip, pPatch->aNewOpcode, 5);
1954 AssertRC(rc);
1955
1956#ifdef LOG_ENABLED
1957 rc = DBGFR3DisasInstrEx(pVM, pVCpu->idCpu, pCtx->cs, pCtx->rip, 0, szOutput, sizeof(szOutput), 0);
1958 if (VBOX_SUCCESS(rc))
1959 Log(("Jump: %s\n", szOutput));
1960#endif
1961 pVM->hwaccm.s.pFreeGuestPatchMem += off;
1962 pPatch->cbNewOp = 5;
1963
1964 pPatch->Core.Key = pCtx->eip;
1965 rc = RTAvloU32Insert(&pVM->hwaccm.s.svm.PatchTree, &pPatch->Core);
1966 AssertRC(rc);
1967
1968 pVM->hwaccm.s.svm.cPatches++;
1969 pVM->hwaccm.s.svm.fTPRPatchingActive = true;
1970 STAM_COUNTER_INC(&pVM->hwaccm.s.StatTPRPatchSuccess);
1971 return VINF_SUCCESS;
1972 }
1973 else
1974 Log(("Ran out of space in our patch buffer!\n"));
1975 }
1976
1977 /* Save invalid patch, so we will not try again. */
1978 uint32_t idx = pVM->hwaccm.s.svm.cPatches;
1979
1980#ifdef LOG_ENABLED
1981 rc = DBGFR3DisasInstrEx(pVM, pVCpu->idCpu, pCtx->cs, pCtx->rip, 0, szOutput, sizeof(szOutput), 0);
1982 if (VBOX_SUCCESS(rc))
1983 Log(("Failed to patch instr: %s\n", szOutput));
1984#endif
1985
1986 pPatch = &pVM->hwaccm.s.svm.aPatches[idx];
1987 pPatch->Core.Key = pCtx->eip;
1988 pPatch->enmType = HWACCMTPRINSTR_INVALID;
1989 rc = RTAvloU32Insert(&pVM->hwaccm.s.svm.PatchTree, &pPatch->Core);
1990 AssertRC(rc);
1991 pVM->hwaccm.s.svm.cPatches++;
1992 STAM_COUNTER_INC(&pVM->hwaccm.s.StatTPRPatchFailure);
1993 return VINF_SUCCESS;
1994}
1995
1996/**
1997 * Attempt to patch TPR mmio instructions
1998 *
1999 * @returns VBox status code.
2000 * @param pVM The VM to operate on.
2001 * @param pVCpu The VM CPU to operate on.
2002 * @param pCtx CPU context
2003 */
2004VMMR3DECL(int) HWACCMR3PatchTprInstr(PVM pVM, PVMCPU pVCpu, PCPUMCTX pCtx)
2005{
2006 int rc = VMMR3EmtRendezvous(pVM, VMMEMTRENDEZVOUS_FLAGS_TYPE_ONE_BY_ONE, (pVM->hwaccm.s.pGuestPatchMem) ? hwaccmR3PatchTprInstr : hwaccmR3ReplaceTprInstr, (void *)pVCpu->idCpu);
2007 AssertRC(rc);
2008 return rc;
2009}
2010
2011/**
2012 * Force execution of the current IO code in the recompiler
2013 *
2014 * @returns VBox status code.
2015 * @param pVM The VM to operate on.
2016 * @param pCtx Partial VM execution context
2017 */
2018VMMR3DECL(int) HWACCMR3EmulateIoBlock(PVM pVM, PCPUMCTX pCtx)
2019{
2020 PVMCPU pVCpu = VMMGetCpu(pVM);
2021
2022 Assert(pVM->fHWACCMEnabled);
2023 Log(("HWACCMR3EmulateIoBlock\n"));
2024
2025 /* This is primarily intended to speed up Grub, so we don't care about paged protected mode. */
2026 if (HWACCMCanEmulateIoBlockEx(pCtx))
2027 {
2028 Log(("HWACCMR3EmulateIoBlock -> enabled\n"));
2029 pVCpu->hwaccm.s.EmulateIoBlock.fEnabled = true;
2030 pVCpu->hwaccm.s.EmulateIoBlock.GCPtrFunctionEip = pCtx->rip;
2031 pVCpu->hwaccm.s.EmulateIoBlock.cr0 = pCtx->cr0;
2032 return VINF_EM_RESCHEDULE_REM;
2033 }
2034 return VINF_SUCCESS;
2035}
2036
2037/**
2038 * Checks if we can currently use hardware accelerated raw mode.
2039 *
2040 * @returns boolean
2041 * @param pVM The VM to operate on.
2042 * @param pCtx Partial VM execution context
2043 */
2044VMMR3DECL(bool) HWACCMR3CanExecuteGuest(PVM pVM, PCPUMCTX pCtx)
2045{
2046 PVMCPU pVCpu = VMMGetCpu(pVM);
2047
2048 Assert(pVM->fHWACCMEnabled);
2049
2050 /* If we're still executing the IO code, then return false. */
2051 if ( RT_UNLIKELY(pVCpu->hwaccm.s.EmulateIoBlock.fEnabled)
2052 && pCtx->rip < pVCpu->hwaccm.s.EmulateIoBlock.GCPtrFunctionEip + 0x200
2053 && pCtx->rip > pVCpu->hwaccm.s.EmulateIoBlock.GCPtrFunctionEip - 0x200
2054 && pCtx->cr0 == pVCpu->hwaccm.s.EmulateIoBlock.cr0)
2055 return false;
2056
2057 pVCpu->hwaccm.s.EmulateIoBlock.fEnabled = false;
2058
2059 /* AMD-V supports real & protected mode with or without paging. */
2060 if (pVM->hwaccm.s.svm.fEnabled)
2061 {
2062 pVCpu->hwaccm.s.fActive = true;
2063 return true;
2064 }
2065
2066 pVCpu->hwaccm.s.fActive = false;
2067
2068 /* Note! The context supplied by REM is partial. If we add more checks here, be sure to verify that REM provides this info! */
2069#ifdef HWACCM_VMX_EMULATE_REALMODE
2070 if (pVM->hwaccm.s.vmx.pRealModeTSS)
2071 {
2072 if (CPUMIsGuestInRealModeEx(pCtx))
2073 {
2074 /* VT-x will not allow high selector bases in v86 mode; fall back to the recompiler in that case.
2075 * The base must also be equal to (sel << 4).
2076 */
2077 if ( ( pCtx->cs != (pCtx->csHid.u64Base >> 4)
2078 && pCtx->csHid.u64Base != 0xffff0000 /* we can deal with the BIOS code as it's also mapped into the lower region. */)
2079 || pCtx->ds != (pCtx->dsHid.u64Base >> 4)
2080 || pCtx->es != (pCtx->esHid.u64Base >> 4)
2081 || pCtx->fs != (pCtx->fsHid.u64Base >> 4)
2082 || pCtx->gs != (pCtx->gsHid.u64Base >> 4)
2083 || pCtx->ss != (pCtx->ssHid.u64Base >> 4))
2084 {
2085 return false;
2086 }
2087 }
2088 else
2089 {
2090 PGMMODE enmGuestMode = PGMGetGuestMode(pVCpu);
2091 /* Verify the requirements for executing code in protected mode. VT-x can't handle the CPU state right after a switch
2092 * from real to protected mode. (all sorts of RPL & DPL assumptions)
2093 */
2094 if ( pVCpu->hwaccm.s.vmx.enmLastSeenGuestMode == PGMMODE_REAL
2095 && enmGuestMode >= PGMMODE_PROTECTED)
2096 {
2097 if ( (pCtx->cs & X86_SEL_RPL)
2098 || (pCtx->ds & X86_SEL_RPL)
2099 || (pCtx->es & X86_SEL_RPL)
2100 || (pCtx->fs & X86_SEL_RPL)
2101 || (pCtx->gs & X86_SEL_RPL)
2102 || (pCtx->ss & X86_SEL_RPL))
2103 {
2104 return false;
2105 }
2106 }
2107 }
2108 }
2109 else
2110#endif /* HWACCM_VMX_EMULATE_REALMODE */
2111 {
2112 if (!CPUMIsGuestInLongModeEx(pCtx))
2113 {
2114 /** @todo This should (probably) be set on every excursion to the REM,
2115 * however it's too risky right now. So, only apply it when we go
2116 * back to REM for real mode execution. (The XP hack below doesn't
2117 * work reliably without this.)
2118 * Update: Implemented in EM.cpp, see #ifdef EM_NOTIFY_HWACCM. */
2119 pVM->aCpus[0].hwaccm.s.fContextUseFlags |= HWACCM_CHANGED_ALL_GUEST;
2120
2121 /* Too early for VT-x; Solaris guests will fail with a guru meditation otherwise; same for XP. */
2122 if (pCtx->idtr.pIdt == 0 || pCtx->idtr.cbIdt == 0 || pCtx->tr == 0)
2123 return false;
2124
2125 /* The guest is about to complete the switch to protected mode. Wait a bit longer. */
2126 /* Windows XP; switch to protected mode; all selectors are marked not present in the
2127 * hidden registers (possible recompiler bug; see load_seg_vm) */
2128 if (pCtx->csHid.Attr.n.u1Present == 0)
2129 return false;
2130 if (pCtx->ssHid.Attr.n.u1Present == 0)
2131 return false;
2132
2133 /* Windows XP: possible same as above, but new recompiler requires new heuristics?
2134 VT-x doesn't seem to like something about the guest state and this stuff avoids it. */
2135 /** @todo This check is actually wrong, it doesn't take the direction of the
2136 * stack segment into account. But, it does the job for now. */
2137 if (pCtx->rsp >= pCtx->ssHid.u32Limit)
2138 return false;
2139#if 0
2140 if ( pCtx->cs >= pCtx->gdtr.cbGdt
2141 || pCtx->ss >= pCtx->gdtr.cbGdt
2142 || pCtx->ds >= pCtx->gdtr.cbGdt
2143 || pCtx->es >= pCtx->gdtr.cbGdt
2144 || pCtx->fs >= pCtx->gdtr.cbGdt
2145 || pCtx->gs >= pCtx->gdtr.cbGdt)
2146 return false;
2147#endif
2148 }
2149 }
2150
2151 if (pVM->hwaccm.s.vmx.fEnabled)
2152 {
2153 uint32_t mask;
2154
2155 /* if bit N is set in cr0_fixed0, then it must be set in the guest's cr0. */
2156 mask = (uint32_t)pVM->hwaccm.s.vmx.msr.vmx_cr0_fixed0;
2157 /* Note: We ignore the NE bit here on purpose; see vmmr0\hwaccmr0.cpp for details. */
2158 mask &= ~X86_CR0_NE;
2159
2160#ifdef HWACCM_VMX_EMULATE_REALMODE
2161 if (pVM->hwaccm.s.vmx.pRealModeTSS)
2162 {
2163 /* Note: We ignore the PE & PG bits here on purpose; we emulate real and protected mode without paging. */
2164 mask &= ~(X86_CR0_PG|X86_CR0_PE);
2165 }
2166 else
2167#endif
2168 {
2169 /* We support protected mode without paging using identity mapping. */
2170 mask &= ~X86_CR0_PG;
2171 }
2172 if ((pCtx->cr0 & mask) != mask)
2173 return false;
2174
2175 /* if bit N is cleared in cr0_fixed1, then it must be zero in the guest's cr0. */
2176 mask = (uint32_t)~pVM->hwaccm.s.vmx.msr.vmx_cr0_fixed1;
2177 if ((pCtx->cr0 & mask) != 0)
2178 return false;
2179
2180 /* if bit N is set in cr4_fixed0, then it must be set in the guest's cr4. */
2181 mask = (uint32_t)pVM->hwaccm.s.vmx.msr.vmx_cr4_fixed0;
2182 mask &= ~X86_CR4_VMXE;
2183 if ((pCtx->cr4 & mask) != mask)
2184 return false;
2185
2186 /* if bit N is cleared in cr4_fixed1, then it must be zero in the guest's cr4. */
2187 mask = (uint32_t)~pVM->hwaccm.s.vmx.msr.vmx_cr4_fixed1;
2188 if ((pCtx->cr4 & mask) != 0)
2189 return false;
2190
2191 pVCpu->hwaccm.s.fActive = true;
2192 return true;
2193 }
2194
2195 return false;
2196}
2197
2198/**
2199 * Notifcation from EM about a rescheduling into hardware assisted execution
2200 * mode.
2201 *
2202 * @param pVCpu Pointer to the current virtual cpu structure.
2203 */
2204VMMR3DECL(void) HWACCMR3NotifyScheduled(PVMCPU pVCpu)
2205{
2206 pVCpu->hwaccm.s.fContextUseFlags |= HWACCM_CHANGED_ALL_GUEST;
2207}
2208
2209/**
2210 * Notifcation from EM about returning from instruction emulation (REM / EM).
2211 *
2212 * @param pVCpu Pointer to the current virtual cpu structure.
2213 */
2214VMMR3DECL(void) HWACCMR3NotifyEmulated(PVMCPU pVCpu)
2215{
2216 pVCpu->hwaccm.s.fContextUseFlags |= HWACCM_CHANGED_ALL_GUEST;
2217}
2218
2219/**
2220 * Checks if we are currently using hardware accelerated raw mode.
2221 *
2222 * @returns boolean
2223 * @param pVCpu The VMCPU to operate on.
2224 */
2225VMMR3DECL(bool) HWACCMR3IsActive(PVMCPU pVCpu)
2226{
2227 return pVCpu->hwaccm.s.fActive;
2228}
2229
2230/**
2231 * Checks if we are currently using nested paging.
2232 *
2233 * @returns boolean
2234 * @param pVM The VM to operate on.
2235 */
2236VMMR3DECL(bool) HWACCMR3IsNestedPagingActive(PVM pVM)
2237{
2238 return pVM->hwaccm.s.fNestedPaging;
2239}
2240
2241/**
2242 * Checks if we are currently using VPID in VT-x mode.
2243 *
2244 * @returns boolean
2245 * @param pVM The VM to operate on.
2246 */
2247VMMR3DECL(bool) HWACCMR3IsVPIDActive(PVM pVM)
2248{
2249 return pVM->hwaccm.s.vmx.fVPID;
2250}
2251
2252
2253/**
2254 * Checks if internal events are pending. In that case we are not allowed to dispatch interrupts.
2255 *
2256 * @returns boolean
2257 * @param pVM The VM to operate on.
2258 */
2259VMMR3DECL(bool) HWACCMR3IsEventPending(PVMCPU pVCpu)
2260{
2261 return HWACCMIsEnabled(pVCpu->pVMR3) && pVCpu->hwaccm.s.Event.fPending;
2262}
2263
2264/**
2265 * Restart an I/O instruction that was refused in ring-0
2266 *
2267 * @returns Strict VBox status code. Informational status codes other than the one documented
2268 * here are to be treated as internal failure. Use IOM_SUCCESS() to check for success.
2269 * @retval VINF_SUCCESS Success.
2270 * @retval VINF_EM_FIRST-VINF_EM_LAST Success with some exceptions (see IOM_SUCCESS()), the
2271 * status code must be passed on to EM.
2272 * @retval VERR_NOT_FOUND if no pending I/O instruction.
2273 *
2274 * @param pVM The VM to operate on.
2275 * @param pVCpu The VMCPU to operate on.
2276 * @param pCtx VCPU register context
2277 */
2278VMMR3DECL(VBOXSTRICTRC) HWACCMR3RestartPendingIOInstr(PVM pVM, PVMCPU pVCpu, PCPUMCTX pCtx)
2279{
2280 HWACCMPENDINGIO enmType = pVCpu->hwaccm.s.PendingIO.enmType;
2281
2282 pVCpu->hwaccm.s.PendingIO.enmType = HWACCMPENDINGIO_INVALID;
2283
2284 if ( pVCpu->hwaccm.s.PendingIO.GCPtrRip != pCtx->rip
2285 || enmType == HWACCMPENDINGIO_INVALID)
2286 return VERR_NOT_FOUND;
2287
2288 VBOXSTRICTRC rcStrict;
2289 switch (enmType)
2290 {
2291 case HWACCMPENDINGIO_PORT_READ:
2292 {
2293 uint32_t uAndVal = pVCpu->hwaccm.s.PendingIO.s.Port.uAndVal;
2294 uint32_t u32Val = 0;
2295
2296 rcStrict = IOMIOPortRead(pVM, pVCpu->hwaccm.s.PendingIO.s.Port.uPort,
2297 &u32Val,
2298 pVCpu->hwaccm.s.PendingIO.s.Port.cbSize);
2299 if (IOM_SUCCESS(rcStrict))
2300 {
2301 /* Write back to the EAX register. */
2302 pCtx->eax = (pCtx->eax & ~uAndVal) | (u32Val & uAndVal);
2303 pCtx->rip = pVCpu->hwaccm.s.PendingIO.GCPtrRipNext;
2304 }
2305 break;
2306 }
2307
2308 case HWACCMPENDINGIO_PORT_WRITE:
2309 rcStrict = IOMIOPortWrite(pVM, pVCpu->hwaccm.s.PendingIO.s.Port.uPort,
2310 pCtx->eax & pVCpu->hwaccm.s.PendingIO.s.Port.uAndVal,
2311 pVCpu->hwaccm.s.PendingIO.s.Port.cbSize);
2312 if (IOM_SUCCESS(rcStrict))
2313 pCtx->rip = pVCpu->hwaccm.s.PendingIO.GCPtrRipNext;
2314 break;
2315
2316 default:
2317 AssertFailed();
2318 return VERR_INTERNAL_ERROR;
2319 }
2320
2321 return rcStrict;
2322}
2323
2324/**
2325 * Inject an NMI into a running VM (only VCPU 0!)
2326 *
2327 * @returns boolean
2328 * @param pVM The VM to operate on.
2329 */
2330VMMR3DECL(int) HWACCMR3InjectNMI(PVM pVM)
2331{
2332 VMCPU_FF_SET(&pVM->aCpus[0], VMCPU_FF_INTERRUPT_NMI);
2333 return VINF_SUCCESS;
2334}
2335
2336/**
2337 * Check fatal VT-x/AMD-V error and produce some meaningful
2338 * log release message.
2339 *
2340 * @param pVM The VM to operate on.
2341 * @param iStatusCode VBox status code
2342 */
2343VMMR3DECL(void) HWACCMR3CheckError(PVM pVM, int iStatusCode)
2344{
2345 for (VMCPUID i = 0; i < pVM->cCpus; i++)
2346 {
2347 switch(iStatusCode)
2348 {
2349 case VERR_VMX_INVALID_VMCS_FIELD:
2350 break;
2351
2352 case VERR_VMX_INVALID_VMCS_PTR:
2353 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));
2354 LogRel(("VERR_VMX_INVALID_VMCS_PTR: CPU%d Current VMCS version %x\n", i, pVM->aCpus[i].hwaccm.s.vmx.lasterror.ulVMCSRevision));
2355 LogRel(("VERR_VMX_INVALID_VMCS_PTR: CPU%d Entered Cpu %d\n", i, pVM->aCpus[i].hwaccm.s.vmx.lasterror.idEnteredCpu));
2356 LogRel(("VERR_VMX_INVALID_VMCS_PTR: CPU%d Current Cpu %d\n", i, pVM->aCpus[i].hwaccm.s.vmx.lasterror.idCurrentCpu));
2357 break;
2358
2359 case VERR_VMX_UNABLE_TO_START_VM:
2360 LogRel(("VERR_VMX_UNABLE_TO_START_VM: CPU%d instruction error %x\n", i, pVM->aCpus[i].hwaccm.s.vmx.lasterror.ulInstrError));
2361 LogRel(("VERR_VMX_UNABLE_TO_START_VM: CPU%d exit reason %x\n", i, pVM->aCpus[i].hwaccm.s.vmx.lasterror.ulExitReason));
2362#if 0 /* @todo dump the current control fields to the release log */
2363 if (pVM->aCpus[i].hwaccm.s.vmx.lasterror.ulInstrError == VMX_ERROR_VMENTRY_INVALID_CONTROL_FIELDS)
2364 {
2365
2366 }
2367#endif
2368 break;
2369
2370 case VERR_VMX_UNABLE_TO_RESUME_VM:
2371 LogRel(("VERR_VMX_UNABLE_TO_RESUME_VM: CPU%d instruction error %x\n", i, pVM->aCpus[i].hwaccm.s.vmx.lasterror.ulInstrError));
2372 LogRel(("VERR_VMX_UNABLE_TO_RESUME_VM: CPU%d exit reason %x\n", i, pVM->aCpus[i].hwaccm.s.vmx.lasterror.ulExitReason));
2373 break;
2374
2375 case VERR_VMX_INVALID_VMXON_PTR:
2376 break;
2377 }
2378 }
2379}
2380
2381/**
2382 * Execute state save operation.
2383 *
2384 * @returns VBox status code.
2385 * @param pVM VM Handle.
2386 * @param pSSM SSM operation handle.
2387 */
2388static DECLCALLBACK(int) hwaccmR3Save(PVM pVM, PSSMHANDLE pSSM)
2389{
2390 int rc;
2391
2392 Log(("hwaccmR3Save:\n"));
2393
2394 for (VMCPUID i = 0; i < pVM->cCpus; i++)
2395 {
2396 /*
2397 * Save the basic bits - fortunately all the other things can be resynced on load.
2398 */
2399 rc = SSMR3PutU32(pSSM, pVM->aCpus[i].hwaccm.s.Event.fPending);
2400 AssertRCReturn(rc, rc);
2401 rc = SSMR3PutU32(pSSM, pVM->aCpus[i].hwaccm.s.Event.errCode);
2402 AssertRCReturn(rc, rc);
2403 rc = SSMR3PutU64(pSSM, pVM->aCpus[i].hwaccm.s.Event.intInfo);
2404 AssertRCReturn(rc, rc);
2405
2406 rc = SSMR3PutU32(pSSM, pVM->aCpus[i].hwaccm.s.vmx.enmLastSeenGuestMode);
2407 AssertRCReturn(rc, rc);
2408 rc = SSMR3PutU32(pSSM, pVM->aCpus[i].hwaccm.s.vmx.enmCurrGuestMode);
2409 AssertRCReturn(rc, rc);
2410 rc = SSMR3PutU32(pSSM, pVM->aCpus[i].hwaccm.s.vmx.enmPrevGuestMode);
2411 AssertRCReturn(rc, rc);
2412 }
2413#ifdef VBOX_HWACCM_WITH_GUEST_PATCHING
2414 rc = SSMR3PutGCPtr(pSSM, pVM->hwaccm.s.pGuestPatchMem);
2415 AssertRCReturn(rc, rc);
2416 rc = SSMR3PutGCPtr(pSSM, pVM->hwaccm.s.pFreeGuestPatchMem);
2417 AssertRCReturn(rc, rc);
2418 rc = SSMR3PutU32(pSSM, pVM->hwaccm.s.cbGuestPatchMem);
2419 AssertRCReturn(rc, rc);
2420
2421 /* Store all the guest patch records too. */
2422 rc = SSMR3PutU32(pSSM, pVM->hwaccm.s.svm.cPatches);
2423 AssertRCReturn(rc, rc);
2424
2425 for (unsigned i = 0; i < pVM->hwaccm.s.svm.cPatches; i++)
2426 {
2427 PHWACCMTPRPATCH pPatch = &pVM->hwaccm.s.svm.aPatches[i];
2428
2429 rc = SSMR3PutU32(pSSM, pPatch->Core.Key);
2430 AssertRCReturn(rc, rc);
2431
2432 rc = SSMR3PutMem(pSSM, pPatch->aOpcode, sizeof(pPatch->aOpcode));
2433 AssertRCReturn(rc, rc);
2434
2435 rc = SSMR3PutU32(pSSM, pPatch->cbOp);
2436 AssertRCReturn(rc, rc);
2437
2438 rc = SSMR3PutMem(pSSM, pPatch->aNewOpcode, sizeof(pPatch->aNewOpcode));
2439 AssertRCReturn(rc, rc);
2440
2441 rc = SSMR3PutU32(pSSM, pPatch->cbNewOp);
2442 AssertRCReturn(rc, rc);
2443
2444 AssertCompileSize(HWACCMTPRINSTR, 4);
2445 rc = SSMR3PutU32(pSSM, (uint32_t)pPatch->enmType);
2446 AssertRCReturn(rc, rc);
2447
2448 rc = SSMR3PutU32(pSSM, pPatch->uSrcOperand);
2449 AssertRCReturn(rc, rc);
2450
2451 rc = SSMR3PutU32(pSSM, pPatch->uDstOperand);
2452 AssertRCReturn(rc, rc);
2453
2454 rc = SSMR3PutU32(pSSM, pPatch->pJumpTarget);
2455 AssertRCReturn(rc, rc);
2456
2457 rc = SSMR3PutU32(pSSM, pPatch->cFaults);
2458 AssertRCReturn(rc, rc);
2459 }
2460#endif
2461 return VINF_SUCCESS;
2462}
2463
2464/**
2465 * Execute state load operation.
2466 *
2467 * @returns VBox status code.
2468 * @param pVM VM Handle.
2469 * @param pSSM SSM operation handle.
2470 * @param uVersion Data layout version.
2471 * @param uPass The data pass.
2472 */
2473static DECLCALLBACK(int) hwaccmR3Load(PVM pVM, PSSMHANDLE pSSM, uint32_t uVersion, uint32_t uPass)
2474{
2475 int rc;
2476
2477 Log(("hwaccmR3Load:\n"));
2478 Assert(uPass == SSM_PASS_FINAL); NOREF(uPass);
2479
2480 /*
2481 * Validate version.
2482 */
2483 if ( uVersion != HWACCM_SSM_VERSION
2484 && uVersion != HWACCM_SSM_VERSION_NO_PATCHING
2485 && uVersion != HWACCM_SSM_VERSION_2_0_X)
2486 {
2487 AssertMsgFailed(("hwaccmR3Load: Invalid version uVersion=%d!\n", uVersion));
2488 return VERR_SSM_UNSUPPORTED_DATA_UNIT_VERSION;
2489 }
2490 for (VMCPUID i = 0; i < pVM->cCpus; i++)
2491 {
2492 rc = SSMR3GetU32(pSSM, &pVM->aCpus[i].hwaccm.s.Event.fPending);
2493 AssertRCReturn(rc, rc);
2494 rc = SSMR3GetU32(pSSM, &pVM->aCpus[i].hwaccm.s.Event.errCode);
2495 AssertRCReturn(rc, rc);
2496 rc = SSMR3GetU64(pSSM, &pVM->aCpus[i].hwaccm.s.Event.intInfo);
2497 AssertRCReturn(rc, rc);
2498
2499 if (uVersion >= HWACCM_SSM_VERSION_NO_PATCHING)
2500 {
2501 uint32_t val;
2502
2503 rc = SSMR3GetU32(pSSM, &val);
2504 AssertRCReturn(rc, rc);
2505 pVM->aCpus[i].hwaccm.s.vmx.enmLastSeenGuestMode = (PGMMODE)val;
2506
2507 rc = SSMR3GetU32(pSSM, &val);
2508 AssertRCReturn(rc, rc);
2509 pVM->aCpus[i].hwaccm.s.vmx.enmCurrGuestMode = (PGMMODE)val;
2510
2511 rc = SSMR3GetU32(pSSM, &val);
2512 AssertRCReturn(rc, rc);
2513 pVM->aCpus[i].hwaccm.s.vmx.enmPrevGuestMode = (PGMMODE)val;
2514 }
2515 }
2516#ifdef VBOX_HWACCM_WITH_GUEST_PATCHING
2517 if (uVersion > HWACCM_SSM_VERSION_NO_PATCHING)
2518 {
2519 rc = SSMR3GetGCPtr(pSSM, &pVM->hwaccm.s.pGuestPatchMem);
2520 AssertRCReturn(rc, rc);
2521 rc = SSMR3GetGCPtr(pSSM, &pVM->hwaccm.s.pFreeGuestPatchMem);
2522 AssertRCReturn(rc, rc);
2523 rc = SSMR3GetU32(pSSM, &pVM->hwaccm.s.cbGuestPatchMem);
2524 AssertRCReturn(rc, rc);
2525
2526 /* Fetch all TPR patch records. */
2527 rc = SSMR3GetU32(pSSM, &pVM->hwaccm.s.svm.cPatches);
2528 AssertRCReturn(rc, rc);
2529
2530 for (unsigned i = 0; i < pVM->hwaccm.s.svm.cPatches; i++)
2531 {
2532 PHWACCMTPRPATCH pPatch = &pVM->hwaccm.s.svm.aPatches[i];
2533
2534 rc = SSMR3GetU32(pSSM, &pPatch->Core.Key);
2535 AssertRCReturn(rc, rc);
2536
2537 rc = SSMR3GetMem(pSSM, pPatch->aOpcode, sizeof(pPatch->aOpcode));
2538 AssertRCReturn(rc, rc);
2539
2540 rc = SSMR3GetU32(pSSM, &pPatch->cbOp);
2541 AssertRCReturn(rc, rc);
2542
2543 rc = SSMR3GetMem(pSSM, pPatch->aNewOpcode, sizeof(pPatch->aNewOpcode));
2544 AssertRCReturn(rc, rc);
2545
2546 rc = SSMR3GetU32(pSSM, &pPatch->cbNewOp);
2547 AssertRCReturn(rc, rc);
2548
2549 rc = SSMR3GetU32(pSSM, (uint32_t *)&pPatch->enmType);
2550 AssertRCReturn(rc, rc);
2551
2552 if (pPatch->enmType == HWACCMTPRINSTR_JUMP_REPLACEMENT)
2553 pVM->hwaccm.s.svm.fTPRPatchingActive = true;
2554
2555 Assert(pPatch->enmType == HWACCMTPRINSTR_JUMP_REPLACEMENT || pVM->hwaccm.s.svm.fTPRPatchingActive == false);
2556
2557 rc = SSMR3GetU32(pSSM, &pPatch->uSrcOperand);
2558 AssertRCReturn(rc, rc);
2559
2560 rc = SSMR3GetU32(pSSM, &pPatch->uDstOperand);
2561 AssertRCReturn(rc, rc);
2562
2563 rc = SSMR3GetU32(pSSM, &pPatch->cFaults);
2564 AssertRCReturn(rc, rc);
2565
2566 rc = SSMR3GetU32(pSSM, &pPatch->pJumpTarget);
2567 AssertRCReturn(rc, rc);
2568
2569 Log(("hwaccmR3Load: patch %d\n", i));
2570 Log(("Key = %x\n", pPatch->Core.Key));
2571 Log(("cbOp = %d\n", pPatch->cbOp));
2572 Log(("cbNewOp = %d\n", pPatch->cbNewOp));
2573 Log(("type = %d\n", pPatch->enmType));
2574 Log(("srcop = %d\n", pPatch->uSrcOperand));
2575 Log(("dstop = %d\n", pPatch->uDstOperand));
2576 Log(("cFaults = %d\n", pPatch->cFaults));
2577 Log(("target = %x\n", pPatch->pJumpTarget));
2578 rc = RTAvloU32Insert(&pVM->hwaccm.s.svm.PatchTree, &pPatch->Core);
2579 AssertRC(rc);
2580 }
2581 }
2582#endif
2583 return VINF_SUCCESS;
2584}
2585
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