VirtualBox

source: vbox/trunk/src/VBox/VMM/HWACCM.cpp@ 20774

Last change on this file since 20774 was 20228, checked in by vboxsync, 16 years ago

Fixed VT-x state loading failure.
  • Property svn:eol-style set to native
  • Property svn:keywords set to Id
File size: 92.0 KB
Line 
1/* $Id: HWACCM.cpp 20228 2009-06-03 12:05:11Z 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_MWAIT_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 u32Version);
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, hwaccmR3Save, NULL,
311 NULL, hwaccmR3Load, NULL);
312 if (RT_FAILURE(rc))
313 return rc;
314
315 /* Misc initialisation. */
316 pVM->hwaccm.s.vmx.fSupported = false;
317 pVM->hwaccm.s.svm.fSupported = false;
318 pVM->hwaccm.s.vmx.fEnabled = false;
319 pVM->hwaccm.s.svm.fEnabled = false;
320
321 pVM->hwaccm.s.fNestedPaging = false;
322
323 /* Disabled by default. */
324 pVM->fHWACCMEnabled = false;
325
326 /*
327 * Check CFGM options.
328 */
329 PCFGMNODE pRoot = CFGMR3GetRoot(pVM);
330 PCFGMNODE pHWVirtExt = CFGMR3GetChild(pRoot, "HWVirtExt/");
331 /* Nested paging: disabled by default. */
332 rc = CFGMR3QueryBoolDef(pRoot, "EnableNestedPaging", &pVM->hwaccm.s.fAllowNestedPaging, false);
333 AssertRC(rc);
334
335 /* VT-x VPID: disabled by default. */
336 rc = CFGMR3QueryBoolDef(pRoot, "EnableVPID", &pVM->hwaccm.s.vmx.fAllowVPID, false);
337 AssertRC(rc);
338
339 /* HWACCM support must be explicitely enabled in the configuration file. */
340 rc = CFGMR3QueryBoolDef(pHWVirtExt, "Enabled", &pVM->hwaccm.s.fAllowed, false);
341 AssertRC(rc);
342
343#ifdef RT_OS_DARWIN
344 if (VMMIsHwVirtExtForced(pVM) != pVM->hwaccm.s.fAllowed)
345#else
346 if (VMMIsHwVirtExtForced(pVM) && !pVM->hwaccm.s.fAllowed)
347#endif
348 {
349 AssertLogRelMsgFailed(("VMMIsHwVirtExtForced=%RTbool fAllowed=%RTbool\n",
350 VMMIsHwVirtExtForced(pVM), pVM->hwaccm.s.fAllowed));
351 return VERR_HWACCM_CONFIG_MISMATCH;
352 }
353
354 if (VMMIsHwVirtExtForced(pVM))
355 pVM->fHWACCMEnabled = true;
356
357#if HC_ARCH_BITS == 32
358 /* 64-bit mode is configurable and it depends on both the kernel mode and VT-x.
359 * (To use the default, don't set 64bitEnabled in CFGM.) */
360 rc = CFGMR3QueryBoolDef(pHWVirtExt, "64bitEnabled", &pVM->hwaccm.s.fAllow64BitGuests, false);
361 AssertLogRelRCReturn(rc, rc);
362 if (pVM->hwaccm.s.fAllow64BitGuests)
363 {
364# ifdef RT_OS_DARWIN
365 if (!VMMIsHwVirtExtForced(pVM))
366# else
367 if (!pVM->hwaccm.s.fAllowed)
368# endif
369 return VM_SET_ERROR(pVM, VERR_INVALID_PARAMETER, "64-bit guest support was requested without also enabling HWVirtEx (VT-x/AMD-V).");
370 }
371#else
372 /* On 64-bit hosts 64-bit guest support is enabled by default, but allow this to be overridden
373 * via VBoxInternal/HWVirtExt/64bitEnabled=0. (ConsoleImpl2.cpp doesn't set this to false for 64-bit.) */
374 rc = CFGMR3QueryBoolDef(pHWVirtExt, "64bitEnabled", &pVM->hwaccm.s.fAllow64BitGuests, true);
375 AssertLogRelRCReturn(rc, rc);
376#endif
377
378 /* Max number of resume loops. */
379 rc = CFGMR3QueryU32Def(pHWVirtExt, "MaxResumeLoops", &pVM->hwaccm.s.cMaxResumeLoops, 0 /* set by R0 later */);
380 AssertRC(rc);
381
382 return VINF_SUCCESS;
383}
384
385/**
386 * Initializes the per-VCPU HWACCM.
387 *
388 * @returns VBox status code.
389 * @param pVM The VM to operate on.
390 */
391VMMR3DECL(int) HWACCMR3InitCPU(PVM pVM)
392{
393 LogFlow(("HWACCMR3InitCPU\n"));
394
395 for (unsigned i=0;i<pVM->cCPUs;i++)
396 {
397 PVMCPU pVCpu = &pVM->aCpus[i];
398
399 pVCpu->hwaccm.s.fActive = false;
400 }
401
402#ifdef VBOX_WITH_STATISTICS
403 /*
404 * Statistics.
405 */
406 for (unsigned i=0;i<pVM->cCPUs;i++)
407 {
408 PVMCPU pVCpu = &pVM->aCpus[i];
409 int rc;
410
411 rc = STAMR3RegisterF(pVM, &pVCpu->hwaccm.s.StatEntry, STAMTYPE_PROFILE, STAMVISIBILITY_USED, STAMUNIT_TICKS_PER_CALL, "Profiling of VMXR0RunGuestCode entry",
412 "/PROF/HWACCM/CPU%d/SwitchToGC", i);
413 AssertRC(rc);
414 rc = STAMR3RegisterF(pVM, &pVCpu->hwaccm.s.StatExit1, STAMTYPE_PROFILE, STAMVISIBILITY_USED, STAMUNIT_TICKS_PER_CALL, "Profiling of VMXR0RunGuestCode exit part 1",
415 "/PROF/HWACCM/CPU%d/SwitchFromGC_1", i);
416 AssertRC(rc);
417 rc = STAMR3RegisterF(pVM, &pVCpu->hwaccm.s.StatExit2, STAMTYPE_PROFILE, STAMVISIBILITY_USED, STAMUNIT_TICKS_PER_CALL, "Profiling of VMXR0RunGuestCode exit part 2",
418 "/PROF/HWACCM/CPU%d/SwitchFromGC_2", i);
419 AssertRC(rc);
420# if 1 /* temporary for tracking down darwin holdup. */
421 rc = STAMR3RegisterF(pVM, &pVCpu->hwaccm.s.StatExit2Sub1, STAMTYPE_PROFILE, STAMVISIBILITY_USED, STAMUNIT_TICKS_PER_CALL, "Temporary - I/O",
422 "/PROF/HWACCM/CPU%d/SwitchFromGC_2/Sub1", i);
423 AssertRC(rc);
424 rc = STAMR3RegisterF(pVM, &pVCpu->hwaccm.s.StatExit2Sub2, STAMTYPE_PROFILE, STAMVISIBILITY_USED, STAMUNIT_TICKS_PER_CALL, "Temporary - CRx RWs",
425 "/PROF/HWACCM/CPU%d/SwitchFromGC_2/Sub2", i);
426 AssertRC(rc);
427 rc = STAMR3RegisterF(pVM, &pVCpu->hwaccm.s.StatExit2Sub3, STAMTYPE_PROFILE, STAMVISIBILITY_USED, STAMUNIT_TICKS_PER_CALL, "Temporary - Exceptions",
428 "/PROF/HWACCM/CPU%d/SwitchFromGC_2/Sub3", i);
429 AssertRC(rc);
430# endif
431 rc = STAMR3RegisterF(pVM, &pVCpu->hwaccm.s.StatInGC, STAMTYPE_PROFILE, STAMVISIBILITY_USED, STAMUNIT_TICKS_PER_CALL, "Profiling of vmlaunch",
432 "/PROF/HWACCM/CPU%d/InGC", i);
433 AssertRC(rc);
434
435# if HC_ARCH_BITS == 32 && defined(VBOX_ENABLE_64_BITS_GUESTS) && !defined(VBOX_WITH_HYBRID_32BIT_KERNEL)
436 rc = STAMR3RegisterF(pVM, &pVCpu->hwaccm.s.StatWorldSwitch3264, STAMTYPE_PROFILE, STAMVISIBILITY_USED, STAMUNIT_TICKS_PER_CALL, "Profiling of the 32/64 switcher",
437 "/PROF/HWACCM/CPU%d/Switcher3264", i);
438 AssertRC(rc);
439# endif
440
441# define HWACCM_REG_COUNTER(a, b) \
442 rc = STAMR3RegisterF(pVM, a, STAMTYPE_COUNTER, STAMVISIBILITY_ALWAYS, STAMUNIT_OCCURENCES, "Profiling of vmlaunch", b, i); \
443 AssertRC(rc);
444
445 HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatExitShadowNM, "/HWACCM/CPU%d/Exit/Trap/Shw/#NM");
446 HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatExitGuestNM, "/HWACCM/CPU%d/Exit/Trap/Gst/#NM");
447 HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatExitShadowPF, "/HWACCM/CPU%d/Exit/Trap/Shw/#PF");
448 HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatExitGuestPF, "/HWACCM/CPU%d/Exit/Trap/Gst/#PF");
449 HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatExitGuestUD, "/HWACCM/CPU%d/Exit/Trap/Gst/#UD");
450 HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatExitGuestSS, "/HWACCM/CPU%d/Exit/Trap/Gst/#SS");
451 HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatExitGuestNP, "/HWACCM/CPU%d/Exit/Trap/Gst/#NP");
452 HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatExitGuestGP, "/HWACCM/CPU%d/Exit/Trap/Gst/#GP");
453 HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatExitGuestMF, "/HWACCM/CPU%d/Exit/Trap/Gst/#MF");
454 HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatExitGuestDE, "/HWACCM/CPU%d/Exit/Trap/Gst/#DE");
455 HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatExitGuestDB, "/HWACCM/CPU%d/Exit/Trap/Gst/#DB");
456 HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatExitInvpg, "/HWACCM/CPU%d/Exit/Instr/Invlpg");
457 HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatExitInvd, "/HWACCM/CPU%d/Exit/Instr/Invd");
458 HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatExitCpuid, "/HWACCM/CPU%d/Exit/Instr/Cpuid");
459 HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatExitRdtsc, "/HWACCM/CPU%d/Exit/Instr/Rdtsc");
460 HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatExitRdpmc, "/HWACCM/CPU%d/Exit/Instr/Rdpmc");
461 HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatExitRdmsr, "/HWACCM/CPU%d/Exit/Instr/Rdmsr");
462 HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatExitWrmsr, "/HWACCM/CPU%d/Exit/Instr/Wrmsr");
463 HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatExitMwait, "/HWACCM/CPU%d/Exit/Instr/Mwait");
464 HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatExitDRxWrite, "/HWACCM/CPU%d/Exit/Instr/DR/Write");
465 HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatExitDRxRead, "/HWACCM/CPU%d/Exit/Instr/DR/Read");
466 HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatExitCLTS, "/HWACCM/CPU%d/Exit/Instr/CLTS");
467 HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatExitLMSW, "/HWACCM/CPU%d/Exit/Instr/LMSW");
468 HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatExitCli, "/HWACCM/CPU%d/Exit/Instr/Cli");
469 HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatExitSti, "/HWACCM/CPU%d/Exit/Instr/Sti");
470 HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatExitPushf, "/HWACCM/CPU%d/Exit/Instr/Pushf");
471 HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatExitPopf, "/HWACCM/CPU%d/Exit/Instr/Popf");
472 HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatExitIret, "/HWACCM/CPU%d/Exit/Instr/Iret");
473 HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatExitInt, "/HWACCM/CPU%d/Exit/Instr/Int");
474 HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatExitHlt, "/HWACCM/CPU%d/Exit/Instr/Hlt");
475 HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatExitIOWrite, "/HWACCM/CPU%d/Exit/IO/Write");
476 HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatExitIORead, "/HWACCM/CPU%d/Exit/IO/Read");
477 HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatExitIOStringWrite, "/HWACCM/CPU%d/Exit/IO/WriteString");
478 HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatExitIOStringRead, "/HWACCM/CPU%d/Exit/IO/ReadString");
479 HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatExitIrqWindow, "/HWACCM/CPU%d/Exit/IrqWindow");
480 HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatExitMaxResume, "/HWACCM/CPU%d/Exit/MaxResume");
481 HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatExitPreemptPending, "/HWACCM/CPU%d/Exit/PreemptPending");
482
483 HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatSwitchGuestIrq, "/HWACCM/CPU%d/Switch/IrqPending");
484 HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatSwitchToR3, "/HWACCM/CPU%d/Switch/ToR3");
485
486 HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatIntInject, "/HWACCM/CPU%d/Irq/Inject");
487 HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatIntReinject, "/HWACCM/CPU%d/Irq/Reinject");
488 HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatPendingHostIrq, "/HWACCM/CPU%d/Irq/PendingOnHost");
489
490 HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatFlushPageManual, "/HWACCM/CPU%d/Flush/Page/Virt");
491 HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatFlushPhysPageManual, "/HWACCM/CPU%d/Flush/Page/Phys");
492 HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatFlushTLBManual, "/HWACCM/CPU%d/Flush/TLB/Manual");
493 HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatFlushTLBCRxChange, "/HWACCM/CPU%d/Flush/TLB/CRx");
494 HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatFlushPageInvlpg, "/HWACCM/CPU%d/Flush/Page/Invlpg");
495 HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatFlushTLBWorldSwitch, "/HWACCM/CPU%d/Flush/TLB/Switch");
496 HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatNoFlushTLBWorldSwitch, "/HWACCM/CPU%d/Flush/TLB/Skipped");
497 HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatFlushASID, "/HWACCM/CPU%d/Flush/TLB/ASID");
498 HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatFlushTLBInvlpga, "/HWACCM/CPU%d/Flush/TLB/PhysInvl");
499 HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatTlbShootdown, "/HWACCM/CPU%d/Flush/Shootdown/Page");
500 HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatTlbShootdownFlush, "/HWACCM/CPU%d/Flush/Shootdown/TLB");
501
502 HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatTSCOffset, "/HWACCM/CPU%d/TSC/Offset");
503 HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatTSCIntercept, "/HWACCM/CPU%d/TSC/Intercept");
504
505 HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatDRxArmed, "/HWACCM/CPU%d/Debug/Armed");
506 HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatDRxContextSwitch, "/HWACCM/CPU%d/Debug/ContextSwitch");
507 HWACCM_REG_COUNTER(&pVCpu->hwaccm.s.StatDRxIOCheck, "/HWACCM/CPU%d/Debug/IOCheck");
508
509 for (unsigned j=0;j<RT_ELEMENTS(pVCpu->hwaccm.s.StatExitCRxWrite);j++)
510 {
511 rc = STAMR3RegisterF(pVM, &pVCpu->hwaccm.s.StatExitCRxWrite[j], STAMTYPE_COUNTER, STAMVISIBILITY_USED, STAMUNIT_OCCURENCES, "Profiling of CRx writes",
512 "/HWACCM/CPU%d/Exit/Instr/CR/Write/%x", i, j);
513 AssertRC(rc);
514 rc = STAMR3RegisterF(pVM, &pVCpu->hwaccm.s.StatExitCRxRead[j], STAMTYPE_COUNTER, STAMVISIBILITY_USED, STAMUNIT_OCCURENCES, "Profiling of CRx reads",
515 "/HWACCM/CPU%d/Exit/Instr/CR/Read/%x", i, j);
516 AssertRC(rc);
517 }
518
519#undef HWACCM_REG_COUNTER
520
521 pVCpu->hwaccm.s.paStatExitReason = NULL;
522
523 rc = MMHyperAlloc(pVM, MAX_EXITREASON_STAT*sizeof(*pVCpu->hwaccm.s.paStatExitReason), 0, MM_TAG_HWACCM, (void **)&pVCpu->hwaccm.s.paStatExitReason);
524 AssertRC(rc);
525 if (RT_SUCCESS(rc))
526 {
527 const char * const *papszDesc = ASMIsIntelCpu() ? &g_apszVTxExitReasons[0] : &g_apszAmdVExitReasons[0];
528 for (int j=0;j<MAX_EXITREASON_STAT;j++)
529 {
530 rc = STAMR3RegisterF(pVM, &pVCpu->hwaccm.s.paStatExitReason[j], STAMTYPE_COUNTER, STAMVISIBILITY_USED, STAMUNIT_OCCURENCES,
531 papszDesc[j] ? papszDesc[j] : "Exit reason",
532 "/HWACCM/CPU%d/Exit/Reason/%02x", i, j);
533 AssertRC(rc);
534 }
535 rc = STAMR3RegisterF(pVM, &pVCpu->hwaccm.s.StatExitReasonNPF, STAMTYPE_COUNTER, STAMVISIBILITY_USED, STAMUNIT_OCCURENCES, "Nested page fault", "/HWACCM/CPU%d/Exit/Reason/#NPF", i);
536 AssertRC(rc);
537 }
538 pVCpu->hwaccm.s.paStatExitReasonR0 = MMHyperR3ToR0(pVM, pVCpu->hwaccm.s.paStatExitReason);
539# ifdef VBOX_WITH_2X_4GB_ADDR_SPACE
540 Assert(pVCpu->hwaccm.s.paStatExitReasonR0 != NIL_RTR0PTR || !VMMIsHwVirtExtForced(pVM));
541# else
542 Assert(pVCpu->hwaccm.s.paStatExitReasonR0 != NIL_RTR0PTR);
543# endif
544
545 rc = MMHyperAlloc(pVM, sizeof(STAMCOUNTER) * 256, 8, MM_TAG_HWACCM, (void **)&pVCpu->hwaccm.s.paStatInjectedIrqs);
546 AssertRCReturn(rc, rc);
547 pVCpu->hwaccm.s.paStatInjectedIrqsR0 = MMHyperR3ToR0(pVM, pVCpu->hwaccm.s.paStatInjectedIrqs);
548# ifdef VBOX_WITH_2X_4GB_ADDR_SPACE
549 Assert(pVCpu->hwaccm.s.paStatInjectedIrqsR0 != NIL_RTR0PTR || !VMMIsHwVirtExtForced(pVM));
550# else
551 Assert(pVCpu->hwaccm.s.paStatInjectedIrqsR0 != NIL_RTR0PTR);
552# endif
553 for (unsigned j = 0; j < 255; j++)
554 STAMR3RegisterF(pVM, &pVCpu->hwaccm.s.paStatInjectedIrqs[j], STAMTYPE_COUNTER, STAMVISIBILITY_USED, STAMUNIT_OCCURENCES, "Forwarded interrupts.",
555 (j < 0x20) ? "/HWACCM/CPU%d/Interrupt/Trap/%02X" : "/HWACCM/CPU%d/Interrupt/IRQ/%02X", i, j);
556
557 }
558#endif /* VBOX_WITH_STATISTICS */
559
560#ifdef VBOX_WITH_CRASHDUMP_MAGIC
561 /* Magic marker for searching in crash dumps. */
562 for (unsigned i=0;i<pVM->cCPUs;i++)
563 {
564 PVMCPU pVCpu = &pVM->aCpus[i];
565
566 PVMCSCACHE pCache = &pVCpu->hwaccm.s.vmx.VMCSCache;
567 strcpy((char *)pCache->aMagic, "VMCSCACHE Magic");
568 pCache->uMagic = UINT64_C(0xDEADBEEFDEADBEEF);
569 }
570#endif
571 return VINF_SUCCESS;
572}
573
574/**
575 * Turns off normal raw mode features
576 *
577 * @param pVM The VM to operate on.
578 */
579static void hwaccmR3DisableRawMode(PVM pVM)
580{
581 /* Disable PATM & CSAM. */
582 PATMR3AllowPatching(pVM, false);
583 CSAMDisableScanning(pVM);
584
585 /* Turn off IDT/LDT/GDT and TSS monitoring and sycing. */
586 SELMR3DisableMonitoring(pVM);
587 TRPMR3DisableMonitoring(pVM);
588
589 /* Disable the switcher code (safety precaution). */
590 VMMR3DisableSwitcher(pVM);
591
592 /* Disable mapping of the hypervisor into the shadow page table. */
593 PGMR3MappingsDisable(pVM);
594
595 /* Disable the switcher */
596 VMMR3DisableSwitcher(pVM);
597
598 /* Reinit the paging mode to force the new shadow mode. */
599 for (unsigned i=0;i<pVM->cCPUs;i++)
600 {
601 PVMCPU pVCpu = &pVM->aCpus[i];
602
603 PGMR3ChangeMode(pVM, pVCpu, PGMMODE_REAL);
604 }
605}
606
607/**
608 * Initialize VT-x or AMD-V.
609 *
610 * @returns VBox status code.
611 * @param pVM The VM handle.
612 */
613VMMR3DECL(int) HWACCMR3InitFinalizeR0(PVM pVM)
614{
615 int rc;
616
617 if ( !pVM->hwaccm.s.vmx.fSupported
618 && !pVM->hwaccm.s.svm.fSupported)
619 {
620 LogRel(("HWACCM: No VT-x or AMD-V CPU extension found. Reason %Rrc\n", pVM->hwaccm.s.lLastError));
621 LogRel(("HWACCM: VMX MSR_IA32_FEATURE_CONTROL=%RX64\n", pVM->hwaccm.s.vmx.msr.feature_ctrl));
622 if (VMMIsHwVirtExtForced(pVM))
623 return VM_SET_ERROR(pVM, VERR_VMX_NO_VMX, "VT-x is not available.");
624 return VINF_SUCCESS;
625 }
626
627 if (!pVM->hwaccm.s.fAllowed)
628 return VINF_SUCCESS; /* nothing to do */
629
630 /* Enable VT-x or AMD-V on all host CPUs. */
631 rc = SUPCallVMMR0Ex(pVM->pVMR0, 0 /* VCPU 0 */, VMMR0_DO_HWACC_ENABLE, 0, NULL);
632 if (RT_FAILURE(rc))
633 {
634 LogRel(("HWACCMR3InitFinalize: SUPCallVMMR0Ex VMMR0_DO_HWACC_ENABLE failed with %Rrc\n", rc));
635 return rc;
636 }
637 Assert(!pVM->fHWACCMEnabled || VMMIsHwVirtExtForced(pVM));
638
639 pVM->hwaccm.s.fHasIoApic = PDMHasIoApic(pVM);
640
641 if (pVM->hwaccm.s.vmx.fSupported)
642 {
643 Log(("pVM->hwaccm.s.vmx.fSupported = %d\n", pVM->hwaccm.s.vmx.fSupported));
644
645 if ( pVM->hwaccm.s.fInitialized == false
646 && pVM->hwaccm.s.vmx.msr.feature_ctrl != 0)
647 {
648 uint64_t val;
649 RTGCPHYS GCPhys = 0;
650
651 LogRel(("HWACCM: Host CR4=%08X\n", pVM->hwaccm.s.vmx.hostCR4));
652 LogRel(("HWACCM: MSR_IA32_FEATURE_CONTROL = %RX64\n", pVM->hwaccm.s.vmx.msr.feature_ctrl));
653 LogRel(("HWACCM: MSR_IA32_VMX_BASIC_INFO = %RX64\n", pVM->hwaccm.s.vmx.msr.vmx_basic_info));
654 LogRel(("HWACCM: VMCS id = %x\n", MSR_IA32_VMX_BASIC_INFO_VMCS_ID(pVM->hwaccm.s.vmx.msr.vmx_basic_info)));
655 LogRel(("HWACCM: VMCS size = %x\n", MSR_IA32_VMX_BASIC_INFO_VMCS_SIZE(pVM->hwaccm.s.vmx.msr.vmx_basic_info)));
656 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"));
657 LogRel(("HWACCM: VMCS memory type = %x\n", MSR_IA32_VMX_BASIC_INFO_VMCS_MEM_TYPE(pVM->hwaccm.s.vmx.msr.vmx_basic_info)));
658 LogRel(("HWACCM: Dual monitor treatment = %d\n", MSR_IA32_VMX_BASIC_INFO_VMCS_DUAL_MON(pVM->hwaccm.s.vmx.msr.vmx_basic_info)));
659
660 LogRel(("HWACCM: MSR_IA32_VMX_PINBASED_CTLS = %RX64\n", pVM->hwaccm.s.vmx.msr.vmx_pin_ctls.u));
661 val = pVM->hwaccm.s.vmx.msr.vmx_pin_ctls.n.allowed1;
662 if (val & VMX_VMCS_CTRL_PIN_EXEC_CONTROLS_EXT_INT_EXIT)
663 LogRel(("HWACCM: VMX_VMCS_CTRL_PIN_EXEC_CONTROLS_EXT_INT_EXIT\n"));
664 if (val & VMX_VMCS_CTRL_PIN_EXEC_CONTROLS_NMI_EXIT)
665 LogRel(("HWACCM: VMX_VMCS_CTRL_PIN_EXEC_CONTROLS_NMI_EXIT\n"));
666 if (val & VMX_VMCS_CTRL_PIN_EXEC_CONTROLS_VIRTUAL_NMI)
667 LogRel(("HWACCM: VMX_VMCS_CTRL_PIN_EXEC_CONTROLS_VIRTUAL_NMI\n"));
668 if (val & VMX_VMCS_CTRL_PIN_EXEC_CONTROLS_PREEMPT_TIMER)
669 LogRel(("HWACCM: VMX_VMCS_CTRL_PIN_EXEC_CONTROLS_PREEMPT_TIMER\n"));
670 val = pVM->hwaccm.s.vmx.msr.vmx_pin_ctls.n.disallowed0;
671 if (val & VMX_VMCS_CTRL_PIN_EXEC_CONTROLS_EXT_INT_EXIT)
672 LogRel(("HWACCM: VMX_VMCS_CTRL_PIN_EXEC_CONTROLS_EXT_INT_EXIT *must* be set\n"));
673 if (val & VMX_VMCS_CTRL_PIN_EXEC_CONTROLS_NMI_EXIT)
674 LogRel(("HWACCM: VMX_VMCS_CTRL_PIN_EXEC_CONTROLS_NMI_EXIT *must* be set\n"));
675 if (val & VMX_VMCS_CTRL_PIN_EXEC_CONTROLS_VIRTUAL_NMI)
676 LogRel(("HWACCM: VMX_VMCS_CTRL_PIN_EXEC_CONTROLS_VIRTUAL_NMI *must* be set\n"));
677 if (val & VMX_VMCS_CTRL_PIN_EXEC_CONTROLS_PREEMPT_TIMER)
678 LogRel(("HWACCM: VMX_VMCS_CTRL_PIN_EXEC_CONTROLS_PREEMPT_TIMER *must* be set\n"));
679
680 LogRel(("HWACCM: MSR_IA32_VMX_PROCBASED_CTLS = %RX64\n", pVM->hwaccm.s.vmx.msr.vmx_proc_ctls.u));
681 val = pVM->hwaccm.s.vmx.msr.vmx_proc_ctls.n.allowed1;
682 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_IRQ_WINDOW_EXIT)
683 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_IRQ_WINDOW_EXIT\n"));
684 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_TSC_OFFSET)
685 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_TSC_OFFSET\n"));
686 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_HLT_EXIT)
687 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_HLT_EXIT\n"));
688 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_INVLPG_EXIT)
689 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_INVLPG_EXIT\n"));
690 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_MWAIT_EXIT)
691 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_MWAIT_EXIT\n"));
692 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_RDPMC_EXIT)
693 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_RDPMC_EXIT\n"));
694 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_RDTSC_EXIT)
695 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_RDTSC_EXIT\n"));
696 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_CR3_LOAD_EXIT)
697 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_CR3_LOAD_EXIT\n"));
698 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_CR3_STORE_EXIT)
699 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_CR3_STORE_EXIT\n"));
700 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_CR8_LOAD_EXIT)
701 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_CR8_LOAD_EXIT\n"));
702 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_CR8_STORE_EXIT)
703 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_CR8_STORE_EXIT\n"));
704 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_USE_TPR_SHADOW)
705 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_USE_TPR_SHADOW\n"));
706 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_NMI_WINDOW_EXIT)
707 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_NMI_WINDOW_EXIT\n"));
708 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_MOV_DR_EXIT)
709 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_MOV_DR_EXIT\n"));
710 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_UNCOND_IO_EXIT)
711 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_UNCOND_IO_EXIT\n"));
712 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_USE_IO_BITMAPS)
713 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_USE_IO_BITMAPS\n"));
714 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_MONITOR_TRAP_FLAG)
715 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_MONITOR_TRAP_FLAG\n"));
716 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_USE_MSR_BITMAPS)
717 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_USE_MSR_BITMAPS\n"));
718 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_MONITOR_EXIT)
719 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_MONITOR_EXIT\n"));
720 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_PAUSE_EXIT)
721 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_PAUSE_EXIT\n"));
722 if (val & VMX_VMCS_CTRL_PROC_EXEC_USE_SECONDARY_EXEC_CTRL)
723 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_USE_SECONDARY_EXEC_CTRL\n"));
724
725 val = pVM->hwaccm.s.vmx.msr.vmx_proc_ctls.n.disallowed0;
726 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_IRQ_WINDOW_EXIT)
727 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_IRQ_WINDOW_EXIT *must* be set\n"));
728 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_TSC_OFFSET)
729 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_TSC_OFFSET *must* be set\n"));
730 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_HLT_EXIT)
731 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_HLT_EXIT *must* be set\n"));
732 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_INVLPG_EXIT)
733 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_INVLPG_EXIT *must* be set\n"));
734 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_MWAIT_EXIT)
735 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_MWAIT_EXIT *must* be set\n"));
736 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_RDPMC_EXIT)
737 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_RDPMC_EXIT *must* be set\n"));
738 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_RDTSC_EXIT)
739 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_RDTSC_EXIT *must* be set\n"));
740 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_CR3_LOAD_EXIT)
741 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_CR3_LOAD_EXIT *must* be set\n"));
742 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_CR3_STORE_EXIT)
743 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_CR3_STORE_EXIT *must* be set\n"));
744 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_CR8_LOAD_EXIT)
745 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_CR8_LOAD_EXIT *must* be set\n"));
746 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_CR8_STORE_EXIT)
747 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_CR8_STORE_EXIT *must* be set\n"));
748 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_USE_TPR_SHADOW)
749 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_USE_TPR_SHADOW *must* be set\n"));
750 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_NMI_WINDOW_EXIT)
751 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_NMI_WINDOW_EXIT *must* be set\n"));
752 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_MOV_DR_EXIT)
753 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_MOV_DR_EXIT *must* be set\n"));
754 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_UNCOND_IO_EXIT)
755 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_UNCOND_IO_EXIT *must* be set\n"));
756 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_USE_IO_BITMAPS)
757 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_USE_IO_BITMAPS *must* be set\n"));
758 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_MONITOR_TRAP_FLAG)
759 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_MONITOR_TRAP_FLAG *must* be set\n"));
760 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_USE_MSR_BITMAPS)
761 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_USE_MSR_BITMAPS *must* be set\n"));
762 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_MONITOR_EXIT)
763 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_MONITOR_EXIT *must* be set\n"));
764 if (val & VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_PAUSE_EXIT)
765 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_CONTROLS_PAUSE_EXIT *must* be set\n"));
766 if (val & VMX_VMCS_CTRL_PROC_EXEC_USE_SECONDARY_EXEC_CTRL)
767 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC_USE_SECONDARY_EXEC_CTRL *must* be set\n"));
768
769 if (pVM->hwaccm.s.vmx.msr.vmx_proc_ctls.n.allowed1 & VMX_VMCS_CTRL_PROC_EXEC_USE_SECONDARY_EXEC_CTRL)
770 {
771 LogRel(("HWACCM: MSR_IA32_VMX_PROCBASED_CTLS2 = %RX64\n", pVM->hwaccm.s.vmx.msr.vmx_proc_ctls2.u));
772 val = pVM->hwaccm.s.vmx.msr.vmx_proc_ctls2.n.allowed1;
773 if (val & VMX_VMCS_CTRL_PROC_EXEC2_VIRT_APIC)
774 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC2_VIRT_APIC\n"));
775 if (val & VMX_VMCS_CTRL_PROC_EXEC2_EPT)
776 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC2_EPT\n"));
777 if (val & VMX_VMCS_CTRL_PROC_EXEC2_DESCRIPTOR_INSTR_EXIT)
778 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC2_DESCRIPTOR_INSTR_EXIT\n"));
779 if (val & VMX_VMCS_CTRL_PROC_EXEC2_X2APIC)
780 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC2_X2APIC\n"));
781 if (val & VMX_VMCS_CTRL_PROC_EXEC2_VPID)
782 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC2_VPID\n"));
783 if (val & VMX_VMCS_CTRL_PROC_EXEC2_WBINVD_EXIT)
784 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC2_WBINVD_EXIT\n"));
785
786 val = pVM->hwaccm.s.vmx.msr.vmx_proc_ctls2.n.disallowed0;
787 if (val & VMX_VMCS_CTRL_PROC_EXEC2_VIRT_APIC)
788 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC2_VIRT_APIC *must* be set\n"));
789 if (val & VMX_VMCS_CTRL_PROC_EXEC2_DESCRIPTOR_INSTR_EXIT)
790 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC2_DESCRIPTOR_INSTR_EXIT *must* be set\n"));
791 if (val & VMX_VMCS_CTRL_PROC_EXEC2_X2APIC)
792 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC2_X2APIC *must* be set\n"));
793 if (val & VMX_VMCS_CTRL_PROC_EXEC2_EPT)
794 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC2_EPT *must* be set\n"));
795 if (val & VMX_VMCS_CTRL_PROC_EXEC2_VPID)
796 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC2_VPID *must* be set\n"));
797 if (val & VMX_VMCS_CTRL_PROC_EXEC2_WBINVD_EXIT)
798 LogRel(("HWACCM: VMX_VMCS_CTRL_PROC_EXEC2_WBINVD_EXIT *must* be set\n"));
799 }
800
801 LogRel(("HWACCM: MSR_IA32_VMX_ENTRY_CTLS = %RX64\n", pVM->hwaccm.s.vmx.msr.vmx_entry.u));
802 val = pVM->hwaccm.s.vmx.msr.vmx_entry.n.allowed1;
803 if (val & VMX_VMCS_CTRL_ENTRY_CONTROLS_LOAD_DEBUG)
804 LogRel(("HWACCM: VMX_VMCS_CTRL_ENTRY_CONTROLS_LOAD_DEBUG\n"));
805 if (val & VMX_VMCS_CTRL_ENTRY_CONTROLS_IA64_MODE)
806 LogRel(("HWACCM: VMX_VMCS_CTRL_ENTRY_CONTROLS_IA64_MODE\n"));
807 if (val & VMX_VMCS_CTRL_ENTRY_CONTROLS_ENTRY_SMM)
808 LogRel(("HWACCM: VMX_VMCS_CTRL_ENTRY_CONTROLS_ENTRY_SMM\n"));
809 if (val & VMX_VMCS_CTRL_ENTRY_CONTROLS_DEACTIVATE_DUALMON)
810 LogRel(("HWACCM: VMX_VMCS_CTRL_ENTRY_CONTROLS_DEACTIVATE_DUALMON\n"));
811 if (val & VMX_VMCS_CTRL_ENTRY_CONTROLS_LOAD_GUEST_PERF_MSR)
812 LogRel(("HWACCM: VMX_VMCS_CTRL_ENTRY_CONTROLS_LOAD_GUEST_PERF_MSR\n"));
813 if (val & VMX_VMCS_CTRL_ENTRY_CONTROLS_LOAD_GUEST_PAT_MSR)
814 LogRel(("HWACCM: VMX_VMCS_CTRL_ENTRY_CONTROLS_LOAD_GUEST_PAT_MSR\n"));
815 if (val & VMX_VMCS_CTRL_ENTRY_CONTROLS_LOAD_GUEST_EFER_MSR)
816 LogRel(("HWACCM: VMX_VMCS_CTRL_ENTRY_CONTROLS_LOAD_GUEST_EFER_MSR\n"));
817 val = pVM->hwaccm.s.vmx.msr.vmx_entry.n.disallowed0;
818 if (val & VMX_VMCS_CTRL_ENTRY_CONTROLS_LOAD_DEBUG)
819 LogRel(("HWACCM: VMX_VMCS_CTRL_ENTRY_CONTROLS_LOAD_DEBUG *must* be set\n"));
820 if (val & VMX_VMCS_CTRL_ENTRY_CONTROLS_IA64_MODE)
821 LogRel(("HWACCM: VMX_VMCS_CTRL_ENTRY_CONTROLS_IA64_MODE *must* be set\n"));
822 if (val & VMX_VMCS_CTRL_ENTRY_CONTROLS_ENTRY_SMM)
823 LogRel(("HWACCM: VMX_VMCS_CTRL_ENTRY_CONTROLS_ENTRY_SMM *must* be set\n"));
824 if (val & VMX_VMCS_CTRL_ENTRY_CONTROLS_DEACTIVATE_DUALMON)
825 LogRel(("HWACCM: VMX_VMCS_CTRL_ENTRY_CONTROLS_DEACTIVATE_DUALMON *must* be set\n"));
826 if (val & VMX_VMCS_CTRL_ENTRY_CONTROLS_LOAD_GUEST_PERF_MSR)
827 LogRel(("HWACCM: VMX_VMCS_CTRL_ENTRY_CONTROLS_LOAD_GUEST_PERF_MSR *must* be set\n"));
828 if (val & VMX_VMCS_CTRL_ENTRY_CONTROLS_LOAD_GUEST_PAT_MSR)
829 LogRel(("HWACCM: VMX_VMCS_CTRL_ENTRY_CONTROLS_LOAD_GUEST_PAT_MSR *must* be set\n"));
830 if (val & VMX_VMCS_CTRL_ENTRY_CONTROLS_LOAD_GUEST_EFER_MSR)
831 LogRel(("HWACCM: VMX_VMCS_CTRL_ENTRY_CONTROLS_LOAD_GUEST_EFER_MSR *must* be set\n"));
832
833 LogRel(("HWACCM: MSR_IA32_VMX_EXIT_CTLS = %RX64\n", pVM->hwaccm.s.vmx.msr.vmx_exit.u));
834 val = pVM->hwaccm.s.vmx.msr.vmx_exit.n.allowed1;
835 if (val & VMX_VMCS_CTRL_EXIT_CONTROLS_SAVE_DEBUG)
836 LogRel(("HWACCM: VMX_VMCS_CTRL_EXIT_CONTROLS_SAVE_DEBUG\n"));
837 if (val & VMX_VMCS_CTRL_EXIT_CONTROLS_HOST_AMD64)
838 LogRel(("HWACCM: VMX_VMCS_CTRL_EXIT_CONTROLS_HOST_AMD64\n"));
839 if (val & VMX_VMCS_CTRL_EXIT_CONTROLS_ACK_EXTERNAL_IRQ)
840 LogRel(("HWACCM: VMX_VMCS_CTRL_EXIT_CONTROLS_ACK_EXTERNAL_IRQ\n"));
841 if (val & VMX_VMCS_CTRL_EXIT_CONTROLS_SAVE_GUEST_PAT_MSR)
842 LogRel(("HWACCM: VMX_VMCS_CTRL_EXIT_CONTROLS_SAVE_GUEST_PAT_MSR\n"));
843 if (val & VMX_VMCS_CTRL_EXIT_CONTROLS_LOAD_HOST_PAT_MSR)
844 LogRel(("HWACCM: VMX_VMCS_CTRL_EXIT_CONTROLS_LOAD_HOST_PAT_MSR\n"));
845 if (val & VMX_VMCS_CTRL_EXIT_CONTROLS_SAVE_GUEST_EFER_MSR)
846 LogRel(("HWACCM: VMX_VMCS_CTRL_EXIT_CONTROLS_SAVE_GUEST_EFER_MSR\n"));
847 if (val & VMX_VMCS_CTRL_EXIT_CONTROLS_LOAD_HOST_EFER_MSR)
848 LogRel(("HWACCM: VMX_VMCS_CTRL_EXIT_CONTROLS_LOAD_HOST_EFER_MSR\n"));
849 if (val & VMX_VMCS_CTRL_EXIT_CONTROLS_SAVE_VMX_PREEMPT_TIMER)
850 LogRel(("HWACCM: VMX_VMCS_CTRL_EXIT_CONTROLS_SAVE_VMX_PREEMPT_TIMER\n"));
851 val = pVM->hwaccm.s.vmx.msr.vmx_exit.n.disallowed0;
852 if (val & VMX_VMCS_CTRL_EXIT_CONTROLS_SAVE_DEBUG)
853 LogRel(("HWACCM: VMX_VMCS_CTRL_EXIT_CONTROLS_SAVE_DEBUG *must* be set\n"));
854 if (val & VMX_VMCS_CTRL_EXIT_CONTROLS_HOST_AMD64)
855 LogRel(("HWACCM: VMX_VMCS_CTRL_EXIT_CONTROLS_HOST_AMD64 *must* be set\n"));
856 if (val & VMX_VMCS_CTRL_EXIT_CONTROLS_ACK_EXTERNAL_IRQ)
857 LogRel(("HWACCM: VMX_VMCS_CTRL_EXIT_CONTROLS_ACK_EXTERNAL_IRQ *must* be set\n"));
858 if (val & VMX_VMCS_CTRL_EXIT_CONTROLS_SAVE_GUEST_PAT_MSR)
859 LogRel(("HWACCM: VMX_VMCS_CTRL_EXIT_CONTROLS_SAVE_GUEST_PAT_MSR *must* be set\n"));
860 if (val & VMX_VMCS_CTRL_EXIT_CONTROLS_LOAD_HOST_PAT_MSR)
861 LogRel(("HWACCM: VMX_VMCS_CTRL_EXIT_CONTROLS_LOAD_HOST_PAT_MSR *must* be set\n"));
862 if (val & VMX_VMCS_CTRL_EXIT_CONTROLS_SAVE_GUEST_EFER_MSR)
863 LogRel(("HWACCM: VMX_VMCS_CTRL_EXIT_CONTROLS_SAVE_GUEST_EFER_MSR *must* be set\n"));
864 if (val & VMX_VMCS_CTRL_EXIT_CONTROLS_LOAD_HOST_EFER_MSR)
865 LogRel(("HWACCM: VMX_VMCS_CTRL_EXIT_CONTROLS_LOAD_HOST_EFER_MSR *must* be set\n"));
866 if (val & VMX_VMCS_CTRL_EXIT_CONTROLS_SAVE_VMX_PREEMPT_TIMER)
867 LogRel(("HWACCM: VMX_VMCS_CTRL_EXIT_CONTROLS_SAVE_VMX_PREEMPT_TIMER *must* be set\n"));
868
869 if (pVM->hwaccm.s.vmx.msr.vmx_eptcaps)
870 {
871 LogRel(("HWACCM: MSR_IA32_VMX_EPT_VPID_CAPS = %RX64\n", pVM->hwaccm.s.vmx.msr.vmx_eptcaps));
872
873 if (pVM->hwaccm.s.vmx.msr.vmx_eptcaps & MSR_IA32_VMX_EPT_CAPS_RWX_X_ONLY)
874 LogRel(("HWACCM: MSR_IA32_VMX_EPT_CAPS_RWX_X_ONLY\n"));
875 if (pVM->hwaccm.s.vmx.msr.vmx_eptcaps & MSR_IA32_VMX_EPT_CAPS_RWX_W_ONLY)
876 LogRel(("HWACCM: MSR_IA32_VMX_EPT_CAPS_RWX_W_ONLY\n"));
877 if (pVM->hwaccm.s.vmx.msr.vmx_eptcaps & MSR_IA32_VMX_EPT_CAPS_RWX_WX_ONLY)
878 LogRel(("HWACCM: MSR_IA32_VMX_EPT_CAPS_RWX_WX_ONLY\n"));
879 if (pVM->hwaccm.s.vmx.msr.vmx_eptcaps & MSR_IA32_VMX_EPT_CAPS_GAW_21_BITS)
880 LogRel(("HWACCM: MSR_IA32_VMX_EPT_CAPS_GAW_21_BITS\n"));
881 if (pVM->hwaccm.s.vmx.msr.vmx_eptcaps & MSR_IA32_VMX_EPT_CAPS_GAW_30_BITS)
882 LogRel(("HWACCM: MSR_IA32_VMX_EPT_CAPS_GAW_30_BITS\n"));
883 if (pVM->hwaccm.s.vmx.msr.vmx_eptcaps & MSR_IA32_VMX_EPT_CAPS_GAW_39_BITS)
884 LogRel(("HWACCM: MSR_IA32_VMX_EPT_CAPS_GAW_39_BITS\n"));
885 if (pVM->hwaccm.s.vmx.msr.vmx_eptcaps & MSR_IA32_VMX_EPT_CAPS_GAW_48_BITS)
886 LogRel(("HWACCM: MSR_IA32_VMX_EPT_CAPS_GAW_48_BITS\n"));
887 if (pVM->hwaccm.s.vmx.msr.vmx_eptcaps & MSR_IA32_VMX_EPT_CAPS_GAW_57_BITS)
888 LogRel(("HWACCM: MSR_IA32_VMX_EPT_CAPS_GAW_57_BITS\n"));
889 if (pVM->hwaccm.s.vmx.msr.vmx_eptcaps & MSR_IA32_VMX_EPT_CAPS_EMT_UC)
890 LogRel(("HWACCM: MSR_IA32_VMX_EPT_CAPS_EMT_UC\n"));
891 if (pVM->hwaccm.s.vmx.msr.vmx_eptcaps & MSR_IA32_VMX_EPT_CAPS_EMT_WC)
892 LogRel(("HWACCM: MSR_IA32_VMX_EPT_CAPS_EMT_WC\n"));
893 if (pVM->hwaccm.s.vmx.msr.vmx_eptcaps & MSR_IA32_VMX_EPT_CAPS_EMT_WT)
894 LogRel(("HWACCM: MSR_IA32_VMX_EPT_CAPS_EMT_WT\n"));
895 if (pVM->hwaccm.s.vmx.msr.vmx_eptcaps & MSR_IA32_VMX_EPT_CAPS_EMT_WP)
896 LogRel(("HWACCM: MSR_IA32_VMX_EPT_CAPS_EMT_WP\n"));
897 if (pVM->hwaccm.s.vmx.msr.vmx_eptcaps & MSR_IA32_VMX_EPT_CAPS_EMT_WB)
898 LogRel(("HWACCM: MSR_IA32_VMX_EPT_CAPS_EMT_WB\n"));
899 if (pVM->hwaccm.s.vmx.msr.vmx_eptcaps & MSR_IA32_VMX_EPT_CAPS_SP_21_BITS)
900 LogRel(("HWACCM: MSR_IA32_VMX_EPT_CAPS_SP_21_BITS\n"));
901 if (pVM->hwaccm.s.vmx.msr.vmx_eptcaps & MSR_IA32_VMX_EPT_CAPS_SP_30_BITS)
902 LogRel(("HWACCM: MSR_IA32_VMX_EPT_CAPS_SP_30_BITS\n"));
903 if (pVM->hwaccm.s.vmx.msr.vmx_eptcaps & MSR_IA32_VMX_EPT_CAPS_SP_39_BITS)
904 LogRel(("HWACCM: MSR_IA32_VMX_EPT_CAPS_SP_39_BITS\n"));
905 if (pVM->hwaccm.s.vmx.msr.vmx_eptcaps & MSR_IA32_VMX_EPT_CAPS_SP_48_BITS)
906 LogRel(("HWACCM: MSR_IA32_VMX_EPT_CAPS_SP_48_BITS\n"));
907 if (pVM->hwaccm.s.vmx.msr.vmx_eptcaps & MSR_IA32_VMX_EPT_CAPS_INVEPT)
908 LogRel(("HWACCM: MSR_IA32_VMX_EPT_CAPS_INVEPT\n"));
909 if (pVM->hwaccm.s.vmx.msr.vmx_eptcaps & MSR_IA32_VMX_EPT_CAPS_INVEPT_CAPS_INDIV)
910 LogRel(("HWACCM: MSR_IA32_VMX_EPT_CAPS_INVEPT_CAPS_INDIV\n"));
911 if (pVM->hwaccm.s.vmx.msr.vmx_eptcaps & MSR_IA32_VMX_EPT_CAPS_INVEPT_CAPS_CONTEXT)
912 LogRel(("HWACCM: MSR_IA32_VMX_EPT_CAPS_INVEPT_CAPS_CONTEXT\n"));
913 if (pVM->hwaccm.s.vmx.msr.vmx_eptcaps & MSR_IA32_VMX_EPT_CAPS_INVEPT_CAPS_ALL)
914 LogRel(("HWACCM: MSR_IA32_VMX_EPT_CAPS_INVEPT_CAPS_ALL\n"));
915 if (pVM->hwaccm.s.vmx.msr.vmx_eptcaps & MSR_IA32_VMX_EPT_CAPS_INVVPID)
916 LogRel(("HWACCM: MSR_IA32_VMX_EPT_CAPS_INVVPID\n"));
917 if (pVM->hwaccm.s.vmx.msr.vmx_eptcaps & MSR_IA32_VMX_EPT_CAPS_INVVPID_CAPS_INDIV)
918 LogRel(("HWACCM: MSR_IA32_VMX_EPT_CAPS_INVVPID_CAPS_INDIV\n"));
919 if (pVM->hwaccm.s.vmx.msr.vmx_eptcaps & MSR_IA32_VMX_EPT_CAPS_INVVPID_CAPS_CONTEXT)
920 LogRel(("HWACCM: MSR_IA32_VMX_EPT_CAPS_INVVPID_CAPS_CONTEXT\n"));
921 if (pVM->hwaccm.s.vmx.msr.vmx_eptcaps & MSR_IA32_VMX_EPT_CAPS_INVVPID_CAPS_ALL)
922 LogRel(("HWACCM: MSR_IA32_VMX_EPT_CAPS_INVVPID_CAPS_ALL\n"));
923 if (pVM->hwaccm.s.vmx.msr.vmx_eptcaps & MSR_IA32_VMX_EPT_CAPS_INVVPID_CAPS_CONTEXT_GLOBAL)
924 LogRel(("HWACCM: MSR_IA32_VMX_EPT_CAPS_INVVPID_CAPS_CONTEXT_GLOBAL\n"));
925 }
926
927 LogRel(("HWACCM: MSR_IA32_VMX_MISC = %RX64\n", pVM->hwaccm.s.vmx.msr.vmx_misc));
928 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)));
929 LogRel(("HWACCM: MSR_IA32_VMX_MISC_ACTIVITY_STATES %x\n", MSR_IA32_VMX_MISC_ACTIVITY_STATES(pVM->hwaccm.s.vmx.msr.vmx_misc)));
930 LogRel(("HWACCM: MSR_IA32_VMX_MISC_CR3_TARGET %x\n", MSR_IA32_VMX_MISC_CR3_TARGET(pVM->hwaccm.s.vmx.msr.vmx_misc)));
931 LogRel(("HWACCM: MSR_IA32_VMX_MISC_MAX_MSR %x\n", MSR_IA32_VMX_MISC_MAX_MSR(pVM->hwaccm.s.vmx.msr.vmx_misc)));
932 LogRel(("HWACCM: MSR_IA32_VMX_MISC_MSEG_ID %x\n", MSR_IA32_VMX_MISC_MSEG_ID(pVM->hwaccm.s.vmx.msr.vmx_misc)));
933
934 LogRel(("HWACCM: MSR_IA32_VMX_CR0_FIXED0 = %RX64\n", pVM->hwaccm.s.vmx.msr.vmx_cr0_fixed0));
935 LogRel(("HWACCM: MSR_IA32_VMX_CR0_FIXED1 = %RX64\n", pVM->hwaccm.s.vmx.msr.vmx_cr0_fixed1));
936 LogRel(("HWACCM: MSR_IA32_VMX_CR4_FIXED0 = %RX64\n", pVM->hwaccm.s.vmx.msr.vmx_cr4_fixed0));
937 LogRel(("HWACCM: MSR_IA32_VMX_CR4_FIXED1 = %RX64\n", pVM->hwaccm.s.vmx.msr.vmx_cr4_fixed1));
938 LogRel(("HWACCM: MSR_IA32_VMX_VMCS_ENUM = %RX64\n", pVM->hwaccm.s.vmx.msr.vmx_vmcs_enum));
939
940 LogRel(("HWACCM: TPR shadow physaddr = %RHp\n", pVM->hwaccm.s.vmx.pAPICPhys));
941 LogRel(("HWACCM: MSR bitmap physaddr = %RHp\n", pVM->hwaccm.s.vmx.pMSRBitmapPhys));
942
943 for (unsigned i=0;i<pVM->cCPUs;i++)
944 LogRel(("HWACCM: VMCS physaddr VCPU%d = %RHp\n", i, pVM->aCpus[i].hwaccm.s.vmx.pVMCSPhys));
945
946#ifdef HWACCM_VTX_WITH_EPT
947 if (pVM->hwaccm.s.vmx.msr.vmx_proc_ctls2.n.allowed1 & VMX_VMCS_CTRL_PROC_EXEC2_EPT)
948 pVM->hwaccm.s.fNestedPaging = pVM->hwaccm.s.fAllowNestedPaging;
949#endif /* HWACCM_VTX_WITH_EPT */
950#ifdef HWACCM_VTX_WITH_VPID
951 if ( (pVM->hwaccm.s.vmx.msr.vmx_proc_ctls2.n.allowed1 & VMX_VMCS_CTRL_PROC_EXEC2_VPID)
952 && !pVM->hwaccm.s.fNestedPaging) /* VPID and EPT are mutually exclusive. */
953 pVM->hwaccm.s.vmx.fVPID = pVM->hwaccm.s.vmx.fAllowVPID;
954#endif /* HWACCM_VTX_WITH_VPID */
955
956 /* Only try once. */
957 pVM->hwaccm.s.fInitialized = true;
958
959 /* Allocate three pages for the TSS we need for real mode emulation. (2 page for the IO bitmap) */
960#if 1
961 rc = PDMR3VMMDevHeapAlloc(pVM, HWACCM_VTX_TOTAL_DEVHEAP_MEM, (RTR3PTR *)&pVM->hwaccm.s.vmx.pRealModeTSS);
962#else
963 rc = VERR_NO_MEMORY; /* simulation of no VMMDev Heap. */
964#endif
965 if (RT_SUCCESS(rc))
966 {
967 /* The I/O bitmap starts right after the virtual interrupt redirection bitmap. */
968 ASMMemZero32(pVM->hwaccm.s.vmx.pRealModeTSS, sizeof(*pVM->hwaccm.s.vmx.pRealModeTSS));
969 pVM->hwaccm.s.vmx.pRealModeTSS->offIoBitmap = sizeof(*pVM->hwaccm.s.vmx.pRealModeTSS);
970 /* Bit set to 0 means redirection enabled. */
971 memset(pVM->hwaccm.s.vmx.pRealModeTSS->IntRedirBitmap, 0x0, sizeof(pVM->hwaccm.s.vmx.pRealModeTSS->IntRedirBitmap));
972 /* Allow all port IO, so the VT-x IO intercepts do their job. */
973 memset(pVM->hwaccm.s.vmx.pRealModeTSS + 1, 0, PAGE_SIZE*2);
974 *((unsigned char *)pVM->hwaccm.s.vmx.pRealModeTSS + HWACCM_VTX_TSS_SIZE - 2) = 0xff;
975
976 /* Construct a 1024 element page directory with 4 MB pages for the identity mapped page table used in
977 * real and protected mode without paging with EPT.
978 */
979 pVM->hwaccm.s.vmx.pNonPagingModeEPTPageTable = (PX86PD)((char *)pVM->hwaccm.s.vmx.pRealModeTSS + PAGE_SIZE * 3);
980 for (unsigned i=0;i<X86_PG_ENTRIES;i++)
981 {
982 pVM->hwaccm.s.vmx.pNonPagingModeEPTPageTable->a[i].u = _4M * i;
983 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;
984 }
985
986 /* We convert it here every time as pci regions could be reconfigured. */
987 rc = PDMVMMDevHeapR3ToGCPhys(pVM, pVM->hwaccm.s.vmx.pRealModeTSS, &GCPhys);
988 AssertRC(rc);
989 LogRel(("HWACCM: Real Mode TSS guest physaddr = %RGp\n", GCPhys));
990
991 rc = PDMVMMDevHeapR3ToGCPhys(pVM, pVM->hwaccm.s.vmx.pNonPagingModeEPTPageTable, &GCPhys);
992 AssertRC(rc);
993 LogRel(("HWACCM: Non-Paging Mode EPT CR3 = %RGp\n", GCPhys));
994 }
995 else
996 {
997 LogRel(("HWACCM: No real mode VT-x support (PDMR3VMMDevHeapAlloc returned %Rrc)\n", rc));
998 pVM->hwaccm.s.vmx.pRealModeTSS = NULL;
999 pVM->hwaccm.s.vmx.pNonPagingModeEPTPageTable = NULL;
1000 }
1001
1002 rc = SUPCallVMMR0Ex(pVM->pVMR0, 0 /* VCPU 0 */, VMMR0_DO_HWACC_SETUP_VM, 0, NULL);
1003 AssertRC(rc);
1004 if (rc == VINF_SUCCESS)
1005 {
1006 pVM->fHWACCMEnabled = true;
1007 pVM->hwaccm.s.vmx.fEnabled = true;
1008 hwaccmR3DisableRawMode(pVM);
1009
1010 CPUMSetGuestCpuIdFeature(pVM, CPUMCPUIDFEATURE_SEP);
1011#ifdef VBOX_ENABLE_64_BITS_GUESTS
1012 if (pVM->hwaccm.s.fAllow64BitGuests)
1013 {
1014 CPUMSetGuestCpuIdFeature(pVM, CPUMCPUIDFEATURE_PAE);
1015 CPUMSetGuestCpuIdFeature(pVM, CPUMCPUIDFEATURE_LONG_MODE);
1016 CPUMSetGuestCpuIdFeature(pVM, CPUMCPUIDFEATURE_SYSCALL); /* 64 bits only on Intel CPUs */
1017 CPUMSetGuestCpuIdFeature(pVM, CPUMCPUIDFEATURE_LAHF);
1018 CPUMSetGuestCpuIdFeature(pVM, CPUMCPUIDFEATURE_NXE);
1019 }
1020 LogRel((pVM->hwaccm.s.fAllow64BitGuests
1021 ? "HWACCM: 32-bit and 64-bit guests supported.\n"
1022 : "HWACCM: 32-bit guests supported.\n"));
1023#else
1024 LogRel(("HWACCM: 32-bit guests supported.\n"));
1025#endif
1026 LogRel(("HWACCM: VMX enabled!\n"));
1027 if (pVM->hwaccm.s.fNestedPaging)
1028 {
1029 LogRel(("HWACCM: Enabled nested paging\n"));
1030 LogRel(("HWACCM: EPT root page = %RHp\n", PGMGetHyperCR3(VMMGetCpu(pVM))));
1031 }
1032 if (pVM->hwaccm.s.vmx.fVPID)
1033 LogRel(("HWACCM: Enabled VPID\n"));
1034
1035 if ( pVM->hwaccm.s.fNestedPaging
1036 || pVM->hwaccm.s.vmx.fVPID)
1037 {
1038 LogRel(("HWACCM: enmFlushPage %d\n", pVM->hwaccm.s.vmx.enmFlushPage));
1039 LogRel(("HWACCM: enmFlushContext %d\n", pVM->hwaccm.s.vmx.enmFlushContext));
1040 }
1041 }
1042 else
1043 {
1044 LogRel(("HWACCM: VMX setup failed with rc=%Rrc!\n", rc));
1045 LogRel(("HWACCM: Last instruction error %x\n", pVM->aCpus[0].hwaccm.s.vmx.lasterror.ulInstrError));
1046 pVM->fHWACCMEnabled = false;
1047 }
1048 }
1049 }
1050 else
1051 if (pVM->hwaccm.s.svm.fSupported)
1052 {
1053 Log(("pVM->hwaccm.s.svm.fSupported = %d\n", pVM->hwaccm.s.svm.fSupported));
1054
1055 if (pVM->hwaccm.s.fInitialized == false)
1056 {
1057 /* Erratum 170 which requires a forced TLB flush for each world switch:
1058 * See http://www.amd.com/us-en/assets/content_type/white_papers_and_tech_docs/33610.pdf
1059 *
1060 * All BH-G1/2 and DH-G1/2 models include a fix:
1061 * Athlon X2: 0x6b 1/2
1062 * 0x68 1/2
1063 * Athlon 64: 0x7f 1
1064 * 0x6f 2
1065 * Sempron: 0x7f 1/2
1066 * 0x6f 2
1067 * 0x6c 2
1068 * 0x7c 2
1069 * Turion 64: 0x68 2
1070 *
1071 */
1072 uint32_t u32Dummy;
1073 uint32_t u32Version, u32Family, u32Model, u32Stepping, u32BaseFamily;
1074 ASMCpuId(1, &u32Version, &u32Dummy, &u32Dummy, &u32Dummy);
1075 u32BaseFamily= (u32Version >> 8) & 0xf;
1076 u32Family = u32BaseFamily + (u32BaseFamily == 0xf ? ((u32Version >> 20) & 0x7f) : 0);
1077 u32Model = ((u32Version >> 4) & 0xf);
1078 u32Model = u32Model | ((u32BaseFamily == 0xf ? (u32Version >> 16) & 0x0f : 0) << 4);
1079 u32Stepping = u32Version & 0xf;
1080 if ( u32Family == 0xf
1081 && !((u32Model == 0x68 || u32Model == 0x6b || u32Model == 0x7f) && u32Stepping >= 1)
1082 && !((u32Model == 0x6f || u32Model == 0x6c || u32Model == 0x7c) && u32Stepping >= 2))
1083 {
1084 LogRel(("HWACMM: AMD cpu with erratum 170 family %x model %x stepping %x\n", u32Family, u32Model, u32Stepping));
1085 }
1086
1087 LogRel(("HWACMM: cpuid 0x80000001.u32AMDFeatureECX = %RX32\n", pVM->hwaccm.s.cpuid.u32AMDFeatureECX));
1088 LogRel(("HWACMM: cpuid 0x80000001.u32AMDFeatureEDX = %RX32\n", pVM->hwaccm.s.cpuid.u32AMDFeatureEDX));
1089 LogRel(("HWACCM: AMD-V revision = %X\n", pVM->hwaccm.s.svm.u32Rev));
1090 LogRel(("HWACCM: AMD-V max ASID = %d\n", pVM->hwaccm.s.uMaxASID));
1091 LogRel(("HWACCM: AMD-V features = %X\n", pVM->hwaccm.s.svm.u32Features));
1092
1093 if (pVM->hwaccm.s.svm.u32Features & AMD_CPUID_SVM_FEATURE_EDX_NESTED_PAGING)
1094 LogRel(("HWACCM: AMD_CPUID_SVM_FEATURE_EDX_NESTED_PAGING\n"));
1095 if (pVM->hwaccm.s.svm.u32Features & AMD_CPUID_SVM_FEATURE_EDX_LBR_VIRT)
1096 LogRel(("HWACCM: AMD_CPUID_SVM_FEATURE_EDX_LBR_VIRT\n"));
1097 if (pVM->hwaccm.s.svm.u32Features & AMD_CPUID_SVM_FEATURE_EDX_SVM_LOCK)
1098 LogRel(("HWACCM: AMD_CPUID_SVM_FEATURE_EDX_SVM_LOCK\n"));
1099 if (pVM->hwaccm.s.svm.u32Features & AMD_CPUID_SVM_FEATURE_EDX_NRIP_SAVE)
1100 LogRel(("HWACCM: AMD_CPUID_SVM_FEATURE_EDX_NRIP_SAVE\n"));
1101 if (pVM->hwaccm.s.svm.u32Features & AMD_CPUID_SVM_FEATURE_EDX_SSE_3_5_DISABLE)
1102 LogRel(("HWACCM: AMD_CPUID_SVM_FEATURE_EDX_SSE_3_5_DISABLE\n"));
1103
1104 /* Only try once. */
1105 pVM->hwaccm.s.fInitialized = true;
1106
1107 if (pVM->hwaccm.s.svm.u32Features & AMD_CPUID_SVM_FEATURE_EDX_NESTED_PAGING)
1108 pVM->hwaccm.s.fNestedPaging = pVM->hwaccm.s.fAllowNestedPaging;
1109
1110 rc = SUPCallVMMR0Ex(pVM->pVMR0, 0 /* VCPU 0 */, VMMR0_DO_HWACC_SETUP_VM, 0, NULL);
1111 AssertRC(rc);
1112 if (rc == VINF_SUCCESS)
1113 {
1114 pVM->fHWACCMEnabled = true;
1115 pVM->hwaccm.s.svm.fEnabled = true;
1116
1117 if (pVM->hwaccm.s.fNestedPaging)
1118 LogRel(("HWACCM: Enabled nested paging\n"));
1119
1120 hwaccmR3DisableRawMode(pVM);
1121 CPUMSetGuestCpuIdFeature(pVM, CPUMCPUIDFEATURE_SEP);
1122 CPUMSetGuestCpuIdFeature(pVM, CPUMCPUIDFEATURE_SYSCALL);
1123 CPUMSetGuestCpuIdFeature(pVM, CPUMCPUIDFEATURE_RDTSCP);
1124#ifdef VBOX_ENABLE_64_BITS_GUESTS
1125 if (pVM->hwaccm.s.fAllow64BitGuests)
1126 {
1127 CPUMSetGuestCpuIdFeature(pVM, CPUMCPUIDFEATURE_PAE);
1128 CPUMSetGuestCpuIdFeature(pVM, CPUMCPUIDFEATURE_LONG_MODE);
1129 CPUMSetGuestCpuIdFeature(pVM, CPUMCPUIDFEATURE_NXE);
1130 CPUMSetGuestCpuIdFeature(pVM, CPUMCPUIDFEATURE_LAHF);
1131 }
1132#endif
1133 LogRel((pVM->hwaccm.s.fAllow64BitGuests
1134 ? "HWACCM: 32-bit and 64-bit guest supported.\n"
1135 : "HWACCM: 32-bit guest supported.\n"));
1136 }
1137 else
1138 {
1139 pVM->fHWACCMEnabled = false;
1140 }
1141 }
1142 }
1143 return VINF_SUCCESS;
1144}
1145
1146/**
1147 * Applies relocations to data and code managed by this
1148 * component. This function will be called at init and
1149 * whenever the VMM need to relocate it self inside the GC.
1150 *
1151 * @param pVM The VM.
1152 */
1153VMMR3DECL(void) HWACCMR3Relocate(PVM pVM)
1154{
1155 Log(("HWACCMR3Relocate to %RGv\n", MMHyperGetArea(pVM, 0)));
1156
1157 /* Fetch the current paging mode during the relocate callback during state loading. */
1158 if (VMR3GetState(pVM) == VMSTATE_LOADING)
1159 {
1160 for (unsigned i=0;i<pVM->cCPUs;i++)
1161 {
1162 PVMCPU pVCpu = &pVM->aCpus[i];
1163
1164 pVCpu->hwaccm.s.enmShadowMode = PGMGetShadowMode(pVCpu);
1165 Assert(pVCpu->hwaccm.s.vmx.enmCurrGuestMode == PGMGetGuestMode(pVCpu));
1166 pVCpu->hwaccm.s.vmx.enmCurrGuestMode = PGMGetGuestMode(pVCpu);
1167 }
1168 }
1169#if HC_ARCH_BITS == 32 && defined(VBOX_ENABLE_64_BITS_GUESTS) && !defined(VBOX_WITH_HYBRID_32BIT_KERNEL)
1170 if (pVM->fHWACCMEnabled)
1171 {
1172 int rc;
1173
1174 switch(PGMGetHostMode(pVM))
1175 {
1176 case PGMMODE_32_BIT:
1177 pVM->hwaccm.s.pfnHost32ToGuest64R0 = VMMR3GetHostToGuestSwitcher(pVM, VMMSWITCHER_32_TO_AMD64);
1178 break;
1179
1180 case PGMMODE_PAE:
1181 case PGMMODE_PAE_NX:
1182 pVM->hwaccm.s.pfnHost32ToGuest64R0 = VMMR3GetHostToGuestSwitcher(pVM, VMMSWITCHER_PAE_TO_AMD64);
1183 break;
1184
1185 default:
1186 AssertFailed();
1187 break;
1188 }
1189 rc = PDMR3LdrGetSymbolRC(pVM, NULL, "VMXGCStartVM64", &pVM->hwaccm.s.pfnVMXGCStartVM64);
1190 AssertReleaseMsgRC(rc, ("VMXGCStartVM64 -> rc=%Rrc\n", rc));
1191
1192 rc = PDMR3LdrGetSymbolRC(pVM, NULL, "SVMGCVMRun64", &pVM->hwaccm.s.pfnSVMGCVMRun64);
1193 AssertReleaseMsgRC(rc, ("SVMGCVMRun64 -> rc=%Rrc\n", rc));
1194
1195 rc = PDMR3LdrGetSymbolRC(pVM, NULL, "HWACCMSaveGuestFPU64", &pVM->hwaccm.s.pfnSaveGuestFPU64);
1196 AssertReleaseMsgRC(rc, ("HWACCMSetupFPU64 -> rc=%Rrc\n", rc));
1197
1198 rc = PDMR3LdrGetSymbolRC(pVM, NULL, "HWACCMSaveGuestDebug64", &pVM->hwaccm.s.pfnSaveGuestDebug64);
1199 AssertReleaseMsgRC(rc, ("HWACCMSetupDebug64 -> rc=%Rrc\n", rc));
1200
1201# ifdef DEBUG
1202 rc = PDMR3LdrGetSymbolRC(pVM, NULL, "HWACCMTestSwitcher64", &pVM->hwaccm.s.pfnTest64);
1203 AssertReleaseMsgRC(rc, ("HWACCMTestSwitcher64 -> rc=%Rrc\n", rc));
1204# endif
1205 }
1206#endif
1207 return;
1208}
1209
1210/**
1211 * Checks hardware accelerated raw mode is allowed.
1212 *
1213 * @returns boolean
1214 * @param pVM The VM to operate on.
1215 */
1216VMMR3DECL(bool) HWACCMR3IsAllowed(PVM pVM)
1217{
1218 return pVM->hwaccm.s.fAllowed;
1219}
1220
1221/**
1222 * Notification callback which is called whenever there is a chance that a CR3
1223 * value might have changed.
1224 *
1225 * This is called by PGM.
1226 *
1227 * @param pVM The VM to operate on.
1228 * @param pVCpu The VMCPU to operate on.
1229 * @param enmShadowMode New shadow paging mode.
1230 * @param enmGuestMode New guest paging mode.
1231 */
1232VMMR3DECL(void) HWACCMR3PagingModeChanged(PVM pVM, PVMCPU pVCpu, PGMMODE enmShadowMode, PGMMODE enmGuestMode)
1233{
1234 /* Ignore page mode changes during state loading. */
1235 if (VMR3GetState(pVCpu->pVMR3) == VMSTATE_LOADING)
1236 return;
1237
1238 pVCpu->hwaccm.s.enmShadowMode = enmShadowMode;
1239
1240 if ( pVM->hwaccm.s.vmx.fEnabled
1241 && pVM->fHWACCMEnabled)
1242 {
1243 if ( pVCpu->hwaccm.s.vmx.enmLastSeenGuestMode == PGMMODE_REAL
1244 && enmGuestMode >= PGMMODE_PROTECTED)
1245 {
1246 PCPUMCTX pCtx;
1247
1248 pCtx = CPUMQueryGuestCtxPtr(pVCpu);
1249
1250 /* After a real mode switch to protected mode we must force
1251 * CPL to 0. Our real mode emulation had to set it to 3.
1252 */
1253 pCtx->ssHid.Attr.n.u2Dpl = 0;
1254 }
1255 }
1256
1257 if (pVCpu->hwaccm.s.vmx.enmCurrGuestMode != enmGuestMode)
1258 {
1259 /* Keep track of paging mode changes. */
1260 pVCpu->hwaccm.s.vmx.enmPrevGuestMode = pVCpu->hwaccm.s.vmx.enmCurrGuestMode;
1261 pVCpu->hwaccm.s.vmx.enmCurrGuestMode = enmGuestMode;
1262
1263 /* Did we miss a change, because all code was executed in the recompiler? */
1264 if (pVCpu->hwaccm.s.vmx.enmLastSeenGuestMode == enmGuestMode)
1265 {
1266 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)));
1267 pVCpu->hwaccm.s.vmx.enmLastSeenGuestMode = pVCpu->hwaccm.s.vmx.enmPrevGuestMode;
1268 }
1269 }
1270
1271 /* Reset the contents of the read cache. */
1272 PVMCSCACHE pCache = &pVCpu->hwaccm.s.vmx.VMCSCache;
1273 for (unsigned j=0;j<pCache->Read.cValidEntries;j++)
1274 pCache->Read.aFieldVal[j] = 0;
1275}
1276
1277/**
1278 * Terminates the HWACCM.
1279 *
1280 * Termination means cleaning up and freeing all resources,
1281 * the VM it self is at this point powered off or suspended.
1282 *
1283 * @returns VBox status code.
1284 * @param pVM The VM to operate on.
1285 */
1286VMMR3DECL(int) HWACCMR3Term(PVM pVM)
1287{
1288 if (pVM->hwaccm.s.vmx.pRealModeTSS)
1289 {
1290 PDMR3VMMDevHeapFree(pVM, pVM->hwaccm.s.vmx.pRealModeTSS);
1291 pVM->hwaccm.s.vmx.pRealModeTSS = 0;
1292 }
1293 HWACCMR3TermCPU(pVM);
1294 return 0;
1295}
1296
1297/**
1298 * Terminates the per-VCPU HWACCM.
1299 *
1300 * Termination means cleaning up and freeing all resources,
1301 * the VM it self is at this point powered off or suspended.
1302 *
1303 * @returns VBox status code.
1304 * @param pVM The VM to operate on.
1305 */
1306VMMR3DECL(int) HWACCMR3TermCPU(PVM pVM)
1307{
1308 for (unsigned i=0;i<pVM->cCPUs;i++)
1309 {
1310 PVMCPU pVCpu = &pVM->aCpus[i];
1311
1312#ifdef VBOX_WITH_STATISTICS
1313 if (pVCpu->hwaccm.s.paStatExitReason)
1314 {
1315 MMHyperFree(pVM, pVCpu->hwaccm.s.paStatExitReason);
1316 pVCpu->hwaccm.s.paStatExitReason = NULL;
1317 pVCpu->hwaccm.s.paStatExitReasonR0 = NIL_RTR0PTR;
1318 }
1319 if (pVCpu->hwaccm.s.paStatInjectedIrqs)
1320 {
1321 MMHyperFree(pVM, pVCpu->hwaccm.s.paStatInjectedIrqs);
1322 pVCpu->hwaccm.s.paStatInjectedIrqs = NULL;
1323 pVCpu->hwaccm.s.paStatInjectedIrqsR0 = NIL_RTR0PTR;
1324 }
1325#endif
1326
1327#ifdef VBOX_WITH_CRASHDUMP_MAGIC
1328 memset(pVCpu->hwaccm.s.vmx.VMCSCache.aMagic, 0, sizeof(pVCpu->hwaccm.s.vmx.VMCSCache.aMagic));
1329 pVCpu->hwaccm.s.vmx.VMCSCache.uMagic = 0;
1330 pVCpu->hwaccm.s.vmx.VMCSCache.uPos = 0xffffffff;
1331#endif
1332 }
1333 return 0;
1334}
1335
1336/**
1337 * The VM is being reset.
1338 *
1339 * For the HWACCM component this means that any GDT/LDT/TSS monitors
1340 * needs to be removed.
1341 *
1342 * @param pVM VM handle.
1343 */
1344VMMR3DECL(void) HWACCMR3Reset(PVM pVM)
1345{
1346 LogFlow(("HWACCMR3Reset:\n"));
1347
1348 if (pVM->fHWACCMEnabled)
1349 hwaccmR3DisableRawMode(pVM);
1350
1351 for (unsigned i=0;i<pVM->cCPUs;i++)
1352 {
1353 PVMCPU pVCpu = &pVM->aCpus[i];
1354
1355 /* On first entry we'll sync everything. */
1356 pVCpu->hwaccm.s.fContextUseFlags = HWACCM_CHANGED_ALL;
1357
1358 pVCpu->hwaccm.s.vmx.cr0_mask = 0;
1359 pVCpu->hwaccm.s.vmx.cr4_mask = 0;
1360
1361 pVCpu->hwaccm.s.fActive = false;
1362 pVCpu->hwaccm.s.Event.fPending = false;
1363
1364 /* Reset state information for real-mode emulation in VT-x. */
1365 pVCpu->hwaccm.s.vmx.enmLastSeenGuestMode = PGMMODE_REAL;
1366 pVCpu->hwaccm.s.vmx.enmPrevGuestMode = PGMMODE_REAL;
1367 pVCpu->hwaccm.s.vmx.enmCurrGuestMode = PGMMODE_REAL;
1368
1369 /* Reset the contents of the read cache. */
1370 PVMCSCACHE pCache = &pVCpu->hwaccm.s.vmx.VMCSCache;
1371 for (unsigned j=0;j<pCache->Read.cValidEntries;j++)
1372 pCache->Read.aFieldVal[j] = 0;
1373
1374#ifdef VBOX_WITH_CRASHDUMP_MAGIC
1375 /* Magic marker for searching in crash dumps. */
1376 strcpy((char *)pCache->aMagic, "VMCSCACHE Magic");
1377 pCache->uMagic = UINT64_C(0xDEADBEEFDEADBEEF);
1378#endif
1379 }
1380}
1381
1382/**
1383 * Force execution of the current IO code in the recompiler
1384 *
1385 * @returns VBox status code.
1386 * @param pVM The VM to operate on.
1387 * @param pCtx Partial VM execution context
1388 */
1389VMMR3DECL(int) HWACCMR3EmulateIoBlock(PVM pVM, PCPUMCTX pCtx)
1390{
1391 PVMCPU pVCpu = VMMGetCpu(pVM);
1392
1393 Assert(pVM->fHWACCMEnabled);
1394 Log(("HWACCMR3EmulateIoBlock\n"));
1395
1396 /* This is primarily intended to speed up Grub, so we don't care about paged protected mode. */
1397 if (HWACCMCanEmulateIoBlockEx(pCtx))
1398 {
1399 Log(("HWACCMR3EmulateIoBlock -> enabled\n"));
1400 pVCpu->hwaccm.s.EmulateIoBlock.fEnabled = true;
1401 pVCpu->hwaccm.s.EmulateIoBlock.GCPtrFunctionEip = pCtx->rip;
1402 pVCpu->hwaccm.s.EmulateIoBlock.cr0 = pCtx->cr0;
1403 return VINF_EM_RESCHEDULE_REM;
1404 }
1405 return VINF_SUCCESS;
1406}
1407
1408/**
1409 * Checks if we can currently use hardware accelerated raw mode.
1410 *
1411 * @returns boolean
1412 * @param pVM The VM to operate on.
1413 * @param pCtx Partial VM execution context
1414 */
1415VMMR3DECL(bool) HWACCMR3CanExecuteGuest(PVM pVM, PCPUMCTX pCtx)
1416{
1417 PVMCPU pVCpu = VMMGetCpu(pVM);
1418
1419 Assert(pVM->fHWACCMEnabled);
1420
1421 /* If we're still executing the IO code, then return false. */
1422 if ( RT_UNLIKELY(pVCpu->hwaccm.s.EmulateIoBlock.fEnabled)
1423 && pCtx->rip < pVCpu->hwaccm.s.EmulateIoBlock.GCPtrFunctionEip + 0x200
1424 && pCtx->rip > pVCpu->hwaccm.s.EmulateIoBlock.GCPtrFunctionEip - 0x200
1425 && pCtx->cr0 == pVCpu->hwaccm.s.EmulateIoBlock.cr0)
1426 return false;
1427
1428 pVCpu->hwaccm.s.EmulateIoBlock.fEnabled = false;
1429
1430 /* AMD-V supports real & protected mode with or without paging. */
1431 if (pVM->hwaccm.s.svm.fEnabled)
1432 {
1433 pVCpu->hwaccm.s.fActive = true;
1434 return true;
1435 }
1436
1437 pVCpu->hwaccm.s.fActive = false;
1438
1439 /* Note! The context supplied by REM is partial. If we add more checks here, be sure to verify that REM provides this info! */
1440#ifdef HWACCM_VMX_EMULATE_REALMODE
1441 if (pVM->hwaccm.s.vmx.pRealModeTSS)
1442 {
1443 if (CPUMIsGuestInRealModeEx(pCtx))
1444 {
1445 /* VT-x will not allow high selector bases in v86 mode; fall back to the recompiler in that case.
1446 * The base must also be equal to (sel << 4).
1447 */
1448 if ( ( pCtx->cs != (pCtx->csHid.u64Base >> 4)
1449 && pCtx->csHid.u64Base != 0xffff0000 /* we can deal with the BIOS code as it's also mapped into the lower region. */)
1450 || pCtx->ds != (pCtx->dsHid.u64Base >> 4)
1451 || pCtx->es != (pCtx->esHid.u64Base >> 4)
1452 || pCtx->fs != (pCtx->fsHid.u64Base >> 4)
1453 || pCtx->gs != (pCtx->gsHid.u64Base >> 4)
1454 || pCtx->ss != (pCtx->ssHid.u64Base >> 4))
1455 {
1456 return false;
1457 }
1458 }
1459 else
1460 {
1461 PGMMODE enmGuestMode = PGMGetGuestMode(pVCpu);
1462 /* Verify the requirements for executing code in protected mode. VT-x can't handle the CPU state right after a switch
1463 * from real to protected mode. (all sorts of RPL & DPL assumptions)
1464 */
1465 if ( pVCpu->hwaccm.s.vmx.enmLastSeenGuestMode == PGMMODE_REAL
1466 && enmGuestMode >= PGMMODE_PROTECTED)
1467 {
1468 if ( (pCtx->cs & X86_SEL_RPL)
1469 || (pCtx->ds & X86_SEL_RPL)
1470 || (pCtx->es & X86_SEL_RPL)
1471 || (pCtx->fs & X86_SEL_RPL)
1472 || (pCtx->gs & X86_SEL_RPL)
1473 || (pCtx->ss & X86_SEL_RPL))
1474 {
1475 return false;
1476 }
1477 }
1478 }
1479 }
1480 else
1481#endif /* HWACCM_VMX_EMULATE_REALMODE */
1482 {
1483 if (!CPUMIsGuestInLongModeEx(pCtx))
1484 {
1485 /** @todo This should (probably) be set on every excursion to the REM,
1486 * however it's too risky right now. So, only apply it when we go
1487 * back to REM for real mode execution. (The XP hack below doesn't
1488 * work reliably without this.)
1489 * Update: Implemented in EM.cpp, see #ifdef EM_NOTIFY_HWACCM. */
1490 pVM->aCpus[0].hwaccm.s.fContextUseFlags |= HWACCM_CHANGED_ALL_GUEST;
1491
1492 /* Too early for VT-x; Solaris guests will fail with a guru meditation otherwise; same for XP. */
1493 if (pCtx->idtr.pIdt == 0 || pCtx->idtr.cbIdt == 0 || pCtx->tr == 0)
1494 return false;
1495
1496 /* The guest is about to complete the switch to protected mode. Wait a bit longer. */
1497 /* Windows XP; switch to protected mode; all selectors are marked not present in the
1498 * hidden registers (possible recompiler bug; see load_seg_vm) */
1499 if (pCtx->csHid.Attr.n.u1Present == 0)
1500 return false;
1501 if (pCtx->ssHid.Attr.n.u1Present == 0)
1502 return false;
1503
1504 /* Windows XP: possible same as above, but new recompiler requires new heuristics?
1505 VT-x doesn't seem to like something about the guest state and this stuff avoids it. */
1506 /** @todo This check is actually wrong, it doesn't take the direction of the
1507 * stack segment into account. But, it does the job for now. */
1508 if (pCtx->rsp >= pCtx->ssHid.u32Limit)
1509 return false;
1510#if 0
1511 if ( pCtx->cs >= pCtx->gdtr.cbGdt
1512 || pCtx->ss >= pCtx->gdtr.cbGdt
1513 || pCtx->ds >= pCtx->gdtr.cbGdt
1514 || pCtx->es >= pCtx->gdtr.cbGdt
1515 || pCtx->fs >= pCtx->gdtr.cbGdt
1516 || pCtx->gs >= pCtx->gdtr.cbGdt)
1517 return false;
1518#endif
1519 }
1520 }
1521
1522 if (pVM->hwaccm.s.vmx.fEnabled)
1523 {
1524 uint32_t mask;
1525
1526 /* if bit N is set in cr0_fixed0, then it must be set in the guest's cr0. */
1527 mask = (uint32_t)pVM->hwaccm.s.vmx.msr.vmx_cr0_fixed0;
1528 /* Note: We ignore the NE bit here on purpose; see vmmr0\hwaccmr0.cpp for details. */
1529 mask &= ~X86_CR0_NE;
1530
1531#ifdef HWACCM_VMX_EMULATE_REALMODE
1532 if (pVM->hwaccm.s.vmx.pRealModeTSS)
1533 {
1534 /* Note: We ignore the PE & PG bits here on purpose; we emulate real and protected mode without paging. */
1535 mask &= ~(X86_CR0_PG|X86_CR0_PE);
1536 }
1537 else
1538#endif
1539 {
1540 /* We support protected mode without paging using identity mapping. */
1541 mask &= ~X86_CR0_PG;
1542 }
1543 if ((pCtx->cr0 & mask) != mask)
1544 return false;
1545
1546 /* if bit N is cleared in cr0_fixed1, then it must be zero in the guest's cr0. */
1547 mask = (uint32_t)~pVM->hwaccm.s.vmx.msr.vmx_cr0_fixed1;
1548 if ((pCtx->cr0 & mask) != 0)
1549 return false;
1550
1551 /* if bit N is set in cr4_fixed0, then it must be set in the guest's cr4. */
1552 mask = (uint32_t)pVM->hwaccm.s.vmx.msr.vmx_cr4_fixed0;
1553 mask &= ~X86_CR4_VMXE;
1554 if ((pCtx->cr4 & mask) != mask)
1555 return false;
1556
1557 /* if bit N is cleared in cr4_fixed1, then it must be zero in the guest's cr4. */
1558 mask = (uint32_t)~pVM->hwaccm.s.vmx.msr.vmx_cr4_fixed1;
1559 if ((pCtx->cr4 & mask) != 0)
1560 return false;
1561
1562 pVCpu->hwaccm.s.fActive = true;
1563 return true;
1564 }
1565
1566 return false;
1567}
1568
1569/**
1570 * Notifcation from EM about a rescheduling into hardware assisted execution
1571 * mode.
1572 *
1573 * @param pVCpu Pointer to the current virtual cpu structure.
1574 */
1575VMMR3DECL(void) HWACCMR3NotifyScheduled(PVMCPU pVCpu)
1576{
1577 pVCpu->hwaccm.s.fContextUseFlags |= HWACCM_CHANGED_ALL_GUEST;
1578}
1579
1580/**
1581 * Notifcation from EM about returning from instruction emulation (REM / EM).
1582 *
1583 * @param pVCpu Pointer to the current virtual cpu structure.
1584 */
1585VMMR3DECL(void) HWACCMR3NotifyEmulated(PVMCPU pVCpu)
1586{
1587 pVCpu->hwaccm.s.fContextUseFlags |= HWACCM_CHANGED_ALL_GUEST;
1588}
1589
1590/**
1591 * Checks if we are currently using hardware accelerated raw mode.
1592 *
1593 * @returns boolean
1594 * @param pVCpu The VMCPU to operate on.
1595 */
1596VMMR3DECL(bool) HWACCMR3IsActive(PVMCPU pVCpu)
1597{
1598 return pVCpu->hwaccm.s.fActive;
1599}
1600
1601/**
1602 * Checks if we are currently using nested paging.
1603 *
1604 * @returns boolean
1605 * @param pVM The VM to operate on.
1606 */
1607VMMR3DECL(bool) HWACCMR3IsNestedPagingActive(PVM pVM)
1608{
1609 return pVM->hwaccm.s.fNestedPaging;
1610}
1611
1612/**
1613 * Checks if we are currently using VPID in VT-x mode.
1614 *
1615 * @returns boolean
1616 * @param pVM The VM to operate on.
1617 */
1618VMMR3DECL(bool) HWACCMR3IsVPIDActive(PVM pVM)
1619{
1620 return pVM->hwaccm.s.vmx.fVPID;
1621}
1622
1623
1624/**
1625 * Checks if internal events are pending. In that case we are not allowed to dispatch interrupts.
1626 *
1627 * @returns boolean
1628 * @param pVM The VM to operate on.
1629 */
1630VMMR3DECL(bool) HWACCMR3IsEventPending(PVM pVM)
1631{
1632 /* @todo SMP */
1633 return HWACCMIsEnabled(pVM) && pVM->aCpus[0].hwaccm.s.Event.fPending;
1634}
1635
1636
1637/**
1638 * Inject an NMI into a running VM
1639 *
1640 * @returns boolean
1641 * @param pVM The VM to operate on.
1642 */
1643VMMR3DECL(int) HWACCMR3InjectNMI(PVM pVM)
1644{
1645 pVM->hwaccm.s.fInjectNMI = true;
1646 return VINF_SUCCESS;
1647}
1648
1649/**
1650 * Check fatal VT-x/AMD-V error and produce some meaningful
1651 * log release message.
1652 *
1653 * @param pVM The VM to operate on.
1654 * @param iStatusCode VBox status code
1655 */
1656VMMR3DECL(void) HWACCMR3CheckError(PVM pVM, int iStatusCode)
1657{
1658 for (unsigned i=0;i<pVM->cCPUs;i++)
1659 {
1660 switch(iStatusCode)
1661 {
1662 case VERR_VMX_INVALID_VMCS_FIELD:
1663 break;
1664
1665 case VERR_VMX_INVALID_VMCS_PTR:
1666 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));
1667 LogRel(("VERR_VMX_INVALID_VMCS_PTR: CPU%d Current VMCS version %x\n", i, pVM->aCpus[i].hwaccm.s.vmx.lasterror.ulVMCSRevision));
1668 LogRel(("VERR_VMX_INVALID_VMCS_PTR: CPU%d Entered Cpu %d\n", i, pVM->aCpus[i].hwaccm.s.vmx.lasterror.idEnteredCpu));
1669 LogRel(("VERR_VMX_INVALID_VMCS_PTR: CPU%d Current Cpu %d\n", i, pVM->aCpus[i].hwaccm.s.vmx.lasterror.idCurrentCpu));
1670 break;
1671
1672 case VERR_VMX_UNABLE_TO_START_VM:
1673 LogRel(("VERR_VMX_UNABLE_TO_START_VM: CPU%d instruction error %x\n", i, pVM->aCpus[i].hwaccm.s.vmx.lasterror.ulInstrError));
1674 LogRel(("VERR_VMX_UNABLE_TO_START_VM: CPU%d exit reason %x\n", i, pVM->aCpus[i].hwaccm.s.vmx.lasterror.ulExitReason));
1675#if 0 /* @todo dump the current control fields to the release log */
1676 if (pVM->aCpus[i].hwaccm.s.vmx.lasterror.ulInstrError == VMX_ERROR_VMENTRY_INVALID_CONTROL_FIELDS)
1677 {
1678
1679 }
1680#endif
1681 break;
1682
1683 case VERR_VMX_UNABLE_TO_RESUME_VM:
1684 LogRel(("VERR_VMX_UNABLE_TO_RESUME_VM: CPU%d instruction error %x\n", i, pVM->aCpus[i].hwaccm.s.vmx.lasterror.ulInstrError));
1685 LogRel(("VERR_VMX_UNABLE_TO_RESUME_VM: CPU%d exit reason %x\n", i, pVM->aCpus[i].hwaccm.s.vmx.lasterror.ulExitReason));
1686 break;
1687
1688 case VERR_VMX_INVALID_VMXON_PTR:
1689 break;
1690 }
1691 }
1692}
1693
1694/**
1695 * Execute state save operation.
1696 *
1697 * @returns VBox status code.
1698 * @param pVM VM Handle.
1699 * @param pSSM SSM operation handle.
1700 */
1701static DECLCALLBACK(int) hwaccmR3Save(PVM pVM, PSSMHANDLE pSSM)
1702{
1703 int rc;
1704
1705 Log(("hwaccmR3Save:\n"));
1706
1707 for (unsigned i=0;i<pVM->cCPUs;i++)
1708 {
1709 /*
1710 * Save the basic bits - fortunately all the other things can be resynced on load.
1711 */
1712 rc = SSMR3PutU32(pSSM, pVM->aCpus[i].hwaccm.s.Event.fPending);
1713 AssertRCReturn(rc, rc);
1714 rc = SSMR3PutU32(pSSM, pVM->aCpus[i].hwaccm.s.Event.errCode);
1715 AssertRCReturn(rc, rc);
1716 rc = SSMR3PutU64(pSSM, pVM->aCpus[i].hwaccm.s.Event.intInfo);
1717 AssertRCReturn(rc, rc);
1718
1719 rc = SSMR3PutU32(pSSM, pVM->aCpus[i].hwaccm.s.vmx.enmLastSeenGuestMode);
1720 AssertRCReturn(rc, rc);
1721 rc = SSMR3PutU32(pSSM, pVM->aCpus[i].hwaccm.s.vmx.enmCurrGuestMode);
1722 AssertRCReturn(rc, rc);
1723 rc = SSMR3PutU32(pSSM, pVM->aCpus[i].hwaccm.s.vmx.enmPrevGuestMode);
1724 AssertRCReturn(rc, rc);
1725 }
1726
1727 return VINF_SUCCESS;
1728}
1729
1730/**
1731 * Execute state load operation.
1732 *
1733 * @returns VBox status code.
1734 * @param pVM VM Handle.
1735 * @param pSSM SSM operation handle.
1736 * @param u32Version Data layout version.
1737 */
1738static DECLCALLBACK(int) hwaccmR3Load(PVM pVM, PSSMHANDLE pSSM, uint32_t u32Version)
1739{
1740 int rc;
1741
1742 Log(("hwaccmR3Load:\n"));
1743
1744 /*
1745 * Validate version.
1746 */
1747 if ( u32Version != HWACCM_SSM_VERSION
1748 && u32Version != HWACCM_SSM_VERSION_2_0_X)
1749 {
1750 AssertMsgFailed(("hwaccmR3Load: Invalid version u32Version=%d!\n", u32Version));
1751 return VERR_SSM_UNSUPPORTED_DATA_UNIT_VERSION;
1752 }
1753 for (unsigned i=0;i<pVM->cCPUs;i++)
1754 {
1755 rc = SSMR3GetU32(pSSM, &pVM->aCpus[i].hwaccm.s.Event.fPending);
1756 AssertRCReturn(rc, rc);
1757 rc = SSMR3GetU32(pSSM, &pVM->aCpus[i].hwaccm.s.Event.errCode);
1758 AssertRCReturn(rc, rc);
1759 rc = SSMR3GetU64(pSSM, &pVM->aCpus[i].hwaccm.s.Event.intInfo);
1760 AssertRCReturn(rc, rc);
1761
1762 if (u32Version >= HWACCM_SSM_VERSION)
1763 {
1764 uint32_t val;
1765
1766 rc = SSMR3GetU32(pSSM, &val);
1767 AssertRCReturn(rc, rc);
1768 pVM->aCpus[i].hwaccm.s.vmx.enmLastSeenGuestMode = (PGMMODE)val;
1769
1770 rc = SSMR3GetU32(pSSM, &val);
1771 AssertRCReturn(rc, rc);
1772 pVM->aCpus[i].hwaccm.s.vmx.enmCurrGuestMode = (PGMMODE)val;
1773
1774 rc = SSMR3GetU32(pSSM, &val);
1775 AssertRCReturn(rc, rc);
1776 pVM->aCpus[i].hwaccm.s.vmx.enmPrevGuestMode = (PGMMODE)val;
1777 }
1778 }
1779 return VINF_SUCCESS;
1780}
1781
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