VirtualBox

source: vbox/trunk/src/VBox/VMM/include/EMInternal.h@ 50653

Last change on this file since 50653 was 49070, checked in by vboxsync, 11 years ago

VMM: Observe the triple-fault-reset setting. Either trow a guru or perform a CPU init.
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1/* $Id: EMInternal.h 49070 2013-10-12 13:29:08Z vboxsync $ */
2/** @file
3 * EM - Internal header file.
4 */
5
6/*
7 * Copyright (C) 2006-2012 Oracle Corporation
8 *
9 * This file is part of VirtualBox Open Source Edition (OSE), as
10 * available from http://www.virtualbox.org. This file is free software;
11 * you can redistribute it and/or modify it under the terms of the GNU
12 * General Public License (GPL) as published by the Free Software
13 * Foundation, in version 2 as it comes in the "COPYING" file of the
14 * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
15 * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
16 */
17
18#ifndef ___EMInternal_h
19#define ___EMInternal_h
20
21#include <VBox/cdefs.h>
22#include <VBox/types.h>
23#include <VBox/vmm/em.h>
24#include <VBox/vmm/stam.h>
25#include <VBox/vmm/patm.h>
26#include <VBox/dis.h>
27#include <VBox/vmm/pdmcritsect.h>
28#include <iprt/avl.h>
29#include <setjmp.h>
30
31RT_C_DECLS_BEGIN
32
33
34/** @defgroup grp_em_int Internal
35 * @ingroup grp_em
36 * @internal
37 * @{
38 */
39
40/** The saved state version. */
41#define EM_SAVED_STATE_VERSION 5
42#define EM_SAVED_STATE_VERSION_PRE_IEM 4
43#define EM_SAVED_STATE_VERSION_PRE_MWAIT 3
44#define EM_SAVED_STATE_VERSION_PRE_SMP 2
45
46
47/** @name MWait state flags.
48 * @{
49 */
50/** MWait activated. */
51#define EMMWAIT_FLAG_ACTIVE RT_BIT(0)
52/** MWait will continue when an interrupt is pending even when IF=0. */
53#define EMMWAIT_FLAG_BREAKIRQIF0 RT_BIT(1)
54/** Monitor instruction was executed previously. */
55#define EMMWAIT_FLAG_MONITOR_ACTIVE RT_BIT(2)
56/** @} */
57
58/** EM time slice in ms; used for capping execution time. */
59#define EM_TIME_SLICE 100
60
61/**
62 * Cli node structure
63 */
64typedef struct CLISTAT
65{
66 /** The key is the cli address. */
67 AVLGCPTRNODECORE Core;
68#if HC_ARCH_BITS == 32 && !defined(RT_OS_WINDOWS)
69 /** Padding. */
70 uint32_t u32Padding;
71#endif
72 /** Occurrences. */
73 STAMCOUNTER Counter;
74} CLISTAT, *PCLISTAT;
75#ifdef IN_RING3
76AssertCompileMemberAlignment(CLISTAT, Counter, 8);
77#endif
78
79
80/**
81 * Excessive EM statistics.
82 */
83typedef struct EMSTATS
84{
85 /** GC: Profiling of EMInterpretInstruction(). */
86 STAMPROFILE StatRZEmulate;
87 /** HC: Profiling of EMInterpretInstruction(). */
88 STAMPROFILE StatR3Emulate;
89
90 /** @name Interpreter Instruction statistics.
91 * @{
92 */
93 STAMCOUNTER StatRZInterpretSucceeded;
94 STAMCOUNTER StatR3InterpretSucceeded;
95
96 STAMCOUNTER StatRZAnd;
97 STAMCOUNTER StatR3And;
98 STAMCOUNTER StatRZCpuId;
99 STAMCOUNTER StatR3CpuId;
100 STAMCOUNTER StatRZDec;
101 STAMCOUNTER StatR3Dec;
102 STAMCOUNTER StatRZHlt;
103 STAMCOUNTER StatR3Hlt;
104 STAMCOUNTER StatRZInc;
105 STAMCOUNTER StatR3Inc;
106 STAMCOUNTER StatRZInvlPg;
107 STAMCOUNTER StatR3InvlPg;
108 STAMCOUNTER StatRZIret;
109 STAMCOUNTER StatR3Iret;
110 STAMCOUNTER StatRZLLdt;
111 STAMCOUNTER StatR3LLdt;
112 STAMCOUNTER StatRZLIdt;
113 STAMCOUNTER StatR3LIdt;
114 STAMCOUNTER StatRZLGdt;
115 STAMCOUNTER StatR3LGdt;
116 STAMCOUNTER StatRZMov;
117 STAMCOUNTER StatR3Mov;
118 STAMCOUNTER StatRZMovCRx;
119 STAMCOUNTER StatR3MovCRx;
120 STAMCOUNTER StatRZMovDRx;
121 STAMCOUNTER StatR3MovDRx;
122 STAMCOUNTER StatRZOr;
123 STAMCOUNTER StatR3Or;
124 STAMCOUNTER StatRZPop;
125 STAMCOUNTER StatR3Pop;
126 STAMCOUNTER StatRZSti;
127 STAMCOUNTER StatR3Sti;
128 STAMCOUNTER StatRZXchg;
129 STAMCOUNTER StatR3Xchg;
130 STAMCOUNTER StatRZXor;
131 STAMCOUNTER StatR3Xor;
132 STAMCOUNTER StatRZMonitor;
133 STAMCOUNTER StatR3Monitor;
134 STAMCOUNTER StatRZMWait;
135 STAMCOUNTER StatR3MWait;
136 STAMCOUNTER StatRZAdd;
137 STAMCOUNTER StatR3Add;
138 STAMCOUNTER StatRZSub;
139 STAMCOUNTER StatR3Sub;
140 STAMCOUNTER StatRZAdc;
141 STAMCOUNTER StatR3Adc;
142 STAMCOUNTER StatRZRdtsc;
143 STAMCOUNTER StatR3Rdtsc;
144 STAMCOUNTER StatRZRdpmc;
145 STAMCOUNTER StatR3Rdpmc;
146 STAMCOUNTER StatRZBtr;
147 STAMCOUNTER StatR3Btr;
148 STAMCOUNTER StatRZBts;
149 STAMCOUNTER StatR3Bts;
150 STAMCOUNTER StatRZBtc;
151 STAMCOUNTER StatR3Btc;
152 STAMCOUNTER StatRZCmpXchg;
153 STAMCOUNTER StatR3CmpXchg;
154 STAMCOUNTER StatRZCmpXchg8b;
155 STAMCOUNTER StatR3CmpXchg8b;
156 STAMCOUNTER StatRZXAdd;
157 STAMCOUNTER StatR3XAdd;
158 STAMCOUNTER StatRZClts;
159 STAMCOUNTER StatR3Clts;
160 STAMCOUNTER StatRZStosWD;
161 STAMCOUNTER StatR3StosWD;
162 STAMCOUNTER StatR3Rdmsr;
163 STAMCOUNTER StatR3Wrmsr;
164 STAMCOUNTER StatRZRdmsr;
165 STAMCOUNTER StatRZWrmsr;
166 STAMCOUNTER StatRZWbInvd;
167 STAMCOUNTER StatR3WbInvd;
168 STAMCOUNTER StatRZLmsw;
169 STAMCOUNTER StatR3Lmsw;
170 STAMCOUNTER StatRZSmsw;
171 STAMCOUNTER StatR3Smsw;
172
173 STAMCOUNTER StatRZInterpretFailed;
174 STAMCOUNTER StatR3InterpretFailed;
175
176 STAMCOUNTER StatRZFailedAnd;
177 STAMCOUNTER StatR3FailedAnd;
178 STAMCOUNTER StatRZFailedCpuId;
179 STAMCOUNTER StatR3FailedCpuId;
180 STAMCOUNTER StatRZFailedDec;
181 STAMCOUNTER StatR3FailedDec;
182 STAMCOUNTER StatRZFailedHlt;
183 STAMCOUNTER StatR3FailedHlt;
184 STAMCOUNTER StatRZFailedInc;
185 STAMCOUNTER StatR3FailedInc;
186 STAMCOUNTER StatRZFailedInvlPg;
187 STAMCOUNTER StatR3FailedInvlPg;
188 STAMCOUNTER StatRZFailedIret;
189 STAMCOUNTER StatR3FailedIret;
190 STAMCOUNTER StatRZFailedLLdt;
191 STAMCOUNTER StatR3FailedLLdt;
192 STAMCOUNTER StatRZFailedLGdt;
193 STAMCOUNTER StatR3FailedLGdt;
194 STAMCOUNTER StatRZFailedLIdt;
195 STAMCOUNTER StatR3FailedLIdt;
196 STAMCOUNTER StatRZFailedMisc;
197 STAMCOUNTER StatR3FailedMisc;
198 STAMCOUNTER StatRZFailedMov;
199 STAMCOUNTER StatR3FailedMov;
200 STAMCOUNTER StatRZFailedMovCRx;
201 STAMCOUNTER StatR3FailedMovCRx;
202 STAMCOUNTER StatRZFailedMovDRx;
203 STAMCOUNTER StatR3FailedMovDRx;
204 STAMCOUNTER StatRZFailedOr;
205 STAMCOUNTER StatR3FailedOr;
206 STAMCOUNTER StatRZFailedPop;
207 STAMCOUNTER StatR3FailedPop;
208 STAMCOUNTER StatRZFailedSti;
209 STAMCOUNTER StatR3FailedSti;
210 STAMCOUNTER StatRZFailedXchg;
211 STAMCOUNTER StatR3FailedXchg;
212 STAMCOUNTER StatRZFailedXor;
213 STAMCOUNTER StatR3FailedXor;
214 STAMCOUNTER StatRZFailedMonitor;
215 STAMCOUNTER StatR3FailedMonitor;
216 STAMCOUNTER StatRZFailedMWait;
217 STAMCOUNTER StatR3FailedMWait;
218 STAMCOUNTER StatR3FailedRdmsr;
219 STAMCOUNTER StatR3FailedWrmsr;
220 STAMCOUNTER StatRZFailedRdmsr;
221 STAMCOUNTER StatRZFailedWrmsr;
222 STAMCOUNTER StatRZFailedLmsw;
223 STAMCOUNTER StatR3FailedLmsw;
224 STAMCOUNTER StatRZFailedSmsw;
225 STAMCOUNTER StatR3FailedSmsw;
226
227 STAMCOUNTER StatRZFailedAdd;
228 STAMCOUNTER StatR3FailedAdd;
229 STAMCOUNTER StatRZFailedAdc;
230 STAMCOUNTER StatR3FailedAdc;
231 STAMCOUNTER StatRZFailedBtr;
232 STAMCOUNTER StatR3FailedBtr;
233 STAMCOUNTER StatRZFailedBts;
234 STAMCOUNTER StatR3FailedBts;
235 STAMCOUNTER StatRZFailedBtc;
236 STAMCOUNTER StatR3FailedBtc;
237 STAMCOUNTER StatRZFailedCli;
238 STAMCOUNTER StatR3FailedCli;
239 STAMCOUNTER StatRZFailedCmpXchg;
240 STAMCOUNTER StatR3FailedCmpXchg;
241 STAMCOUNTER StatRZFailedCmpXchg8b;
242 STAMCOUNTER StatR3FailedCmpXchg8b;
243 STAMCOUNTER StatRZFailedXAdd;
244 STAMCOUNTER StatR3FailedXAdd;
245 STAMCOUNTER StatR3FailedMovNTPS;
246 STAMCOUNTER StatRZFailedMovNTPS;
247 STAMCOUNTER StatRZFailedStosWD;
248 STAMCOUNTER StatR3FailedStosWD;
249 STAMCOUNTER StatRZFailedSub;
250 STAMCOUNTER StatR3FailedSub;
251 STAMCOUNTER StatRZFailedWbInvd;
252 STAMCOUNTER StatR3FailedWbInvd;
253 STAMCOUNTER StatRZFailedRdtsc;
254 STAMCOUNTER StatR3FailedRdtsc;
255 STAMCOUNTER StatRZFailedRdpmc;
256 STAMCOUNTER StatR3FailedRdpmc;
257 STAMCOUNTER StatRZFailedClts;
258 STAMCOUNTER StatR3FailedClts;
259
260 STAMCOUNTER StatRZFailedUserMode;
261 STAMCOUNTER StatR3FailedUserMode;
262 STAMCOUNTER StatRZFailedPrefix;
263 STAMCOUNTER StatR3FailedPrefix;
264 /** @} */
265
266 /** @name Privileged Instructions Ending Up In HC.
267 * @{ */
268 STAMCOUNTER StatIoRestarted;
269#ifdef VBOX_WITH_FIRST_IEM_STEP
270 STAMCOUNTER StatIoIem;
271#else
272 STAMCOUNTER StatIn;
273 STAMCOUNTER StatOut;
274#endif
275 STAMCOUNTER StatCli;
276 STAMCOUNTER StatSti;
277 STAMCOUNTER StatInvlpg;
278 STAMCOUNTER StatHlt;
279 STAMCOUNTER StatMovReadCR[DISCREG_CR4 + 1];
280 STAMCOUNTER StatMovWriteCR[DISCREG_CR4 + 1];
281 STAMCOUNTER StatMovDRx;
282 STAMCOUNTER StatIret;
283 STAMCOUNTER StatMovLgdt;
284 STAMCOUNTER StatMovLldt;
285 STAMCOUNTER StatMovLidt;
286 STAMCOUNTER StatMisc;
287 STAMCOUNTER StatSysEnter;
288 STAMCOUNTER StatSysExit;
289 STAMCOUNTER StatSysCall;
290 STAMCOUNTER StatSysRet;
291 /** @} */
292
293} EMSTATS;
294/** Pointer to the excessive EM statistics. */
295typedef EMSTATS *PEMSTATS;
296
297
298/**
299 * Converts a EM pointer into a VM pointer.
300 * @returns Pointer to the VM structure the EM is part of.
301 * @param pEM Pointer to EM instance data.
302 */
303#define EM2VM(pEM) ( (PVM)((char*)pEM - pEM->offVM) )
304
305/**
306 * EM VM Instance data.
307 * Changes to this must checked against the padding of the cfgm union in VM!
308 */
309typedef struct EM
310{
311 /** Offset to the VM structure.
312 * See EM2VM(). */
313 RTUINT offVM;
314
315 /** Whether IEM executes everything. */
316 bool fIemExecutesAll;
317 /** Whether a triple fault triggers a guru. */
318 bool fGuruOnTripleFault;
319 /** Alignment padding. */
320 bool afPadding[6];
321
322 /** Id of the VCPU that last executed code in the recompiler. */
323 VMCPUID idLastRemCpu;
324
325#ifdef VBOX_WITH_REM
326 /** REM critical section.
327 * This protects recompiler usage
328 */
329 PDMCRITSECT CritSectREM;
330#endif
331} EM;
332/** Pointer to EM VM instance data. */
333typedef EM *PEM;
334
335
336/**
337 * EM VMCPU Instance data.
338 */
339typedef struct EMCPU
340{
341 /** Execution Manager State. */
342 EMSTATE volatile enmState;
343
344 /** The state prior to the suspending of the VM. */
345 EMSTATE enmPrevState;
346
347 /** Force raw-mode execution.
348 * This is used to prevent REM from trying to execute patch code.
349 * The flag is cleared upon entering emR3RawExecute() and updated in certain return paths. */
350 bool fForceRAW;
351
352 uint8_t u8Padding[3];
353
354 /** The number of instructions we've executed in IEM since switching to the
355 * EMSTATE_IEM_THEN_REM state. */
356 uint32_t cIemThenRemInstructions;
357
358 /** Inhibit interrupts for this instruction. Valid only when VM_FF_INHIBIT_INTERRUPTS is set. */
359 RTGCUINTPTR GCPtrInhibitInterrupts;
360
361#ifdef VBOX_WITH_RAW_MODE
362 /** Pointer to the PATM status structure. (R3 Ptr) */
363 R3PTRTYPE(PPATMGCSTATE) pPatmGCState;
364#endif
365
366 /** Pointer to the guest CPUM state. (R3 Ptr) */
367 R3PTRTYPE(PCPUMCTX) pCtx;
368
369#if GC_ARCH_BITS == 64
370 RTGCPTR aPadding1;
371#endif
372
373 /** Start of the current time slice in ms. */
374 uint64_t u64TimeSliceStart;
375 /** Start of the current time slice in thread execution time (ms). */
376 uint64_t u64TimeSliceStartExec;
377 /** Current time slice value. */
378 uint64_t u64TimeSliceExec;
379 uint64_t u64Alignment;
380
381 /** MWait halt state. */
382 struct
383 {
384 uint32_t fWait; /** Type of mwait; see EMMWAIT_FLAG_*. */
385 uint32_t u32Padding;
386 RTGCPTR uMWaitRAX; /** MWAIT hints. */
387 RTGCPTR uMWaitRCX; /** MWAIT extensions. */
388 RTGCPTR uMonitorRAX; /** Monitored address. */
389 RTGCPTR uMonitorRCX; /** Monitor extension. */
390 RTGCPTR uMonitorRDX; /** Monitor hint. */
391 } MWait;
392
393 union
394 {
395 /** Padding used in the other rings.
396 * This must be larger than jmp_buf on any supported platform. */
397 char achPaddingFatalLongJump[HC_ARCH_BITS == 32 ? 176 : 256];
398#ifdef IN_RING3
399 /** Long buffer jump for fatal VM errors.
400 * It will jump to before the outer EM loop is entered. */
401 jmp_buf FatalLongJump;
402#endif
403 } u;
404
405 /** For saving stack space, the disassembler state is allocated here instead of
406 * on the stack. */
407 DISCPUSTATE DisState;
408
409 /** @name Execution profiling.
410 * @{ */
411 STAMPROFILE StatForcedActions;
412 STAMPROFILE StatHalted;
413 STAMPROFILEADV StatCapped;
414 STAMPROFILEADV StatHmEntry;
415 STAMPROFILE StatHmExec;
416 STAMPROFILE StatIEMEmu;
417 STAMPROFILE StatIEMThenREM;
418 STAMPROFILE StatREMEmu;
419 STAMPROFILE StatREMExec;
420 STAMPROFILE StatREMSync;
421 STAMPROFILEADV StatREMTotal;
422 STAMPROFILE StatRAWExec;
423 STAMPROFILEADV StatRAWEntry;
424 STAMPROFILEADV StatRAWTail;
425 STAMPROFILEADV StatRAWTotal;
426 STAMPROFILEADV StatTotal;
427 /** @} */
428
429 /** R3: Profiling of emR3RawExecuteIOInstruction. */
430 STAMPROFILE StatIOEmu;
431 /** R3: Profiling of emR3RawPrivileged. */
432 STAMPROFILE StatPrivEmu;
433 /** R3: Number of time emR3HmExecute is called. */
434 STAMCOUNTER StatHmExecuteEntry;
435
436 /** More statistics (R3). */
437 R3PTRTYPE(PEMSTATS) pStatsR3;
438 /** More statistics (R0). */
439 R0PTRTYPE(PEMSTATS) pStatsR0;
440 /** More statistics (RC). */
441 RCPTRTYPE(PEMSTATS) pStatsRC;
442#if HC_ARCH_BITS == 64
443 RTRCPTR padding0;
444#endif
445
446 /** Tree for keeping track of cli occurrences (debug only). */
447 R3PTRTYPE(PAVLGCPTRNODECORE) pCliStatTree;
448 STAMCOUNTER StatTotalClis;
449#if 0
450 /** 64-bit Visual C++ rounds the struct size up to 16 byte. */
451 uint64_t padding1;
452#endif
453} EMCPU;
454/** Pointer to EM VM instance data. */
455typedef EMCPU *PEMCPU;
456
457/** @} */
458
459int emR3InitDbg(PVM pVM);
460
461int emR3HmExecute(PVM pVM, PVMCPU pVCpu, bool *pfFFDone);
462int emR3RawExecute(PVM pVM, PVMCPU pVCpu, bool *pfFFDone);
463int emR3RawHandleRC(PVM pVM, PVMCPU pVCpu, PCPUMCTX pCtx, int rc);
464int emR3HmHandleRC(PVM pVM, PVMCPU pVCpu, PCPUMCTX pCtx, int rc);
465EMSTATE emR3Reschedule(PVM pVM, PVMCPU pVCpu, PCPUMCTX pCtx);
466int emR3ForcedActions(PVM pVM, PVMCPU pVCpu, int rc);
467int emR3HighPriorityPostForcedActions(PVM pVM, PVMCPU pVCpu, int rc);
468int emR3RawUpdateForceFlag(PVM pVM, PVMCPU pVCpu, PCPUMCTX pCtx, int rc);
469int emR3RawResumeHyper(PVM pVM, PVMCPU pVCpu);
470int emR3RawStep(PVM pVM, PVMCPU pVCpu);
471int emR3SingleStepExecRem(PVM pVM, PVMCPU pVCpu, uint32_t cIterations);
472bool emR3IsExecutionAllowed(PVM pVM, PVMCPU pVCpu);
473
474RT_C_DECLS_END
475
476#endif
477
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