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source: vbox/trunk/src/VBox/VMM/EMInternal.h@ 32657

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1/* $Id: EMInternal.h 28800 2010-04-27 08:22:32Z vboxsync $ */
2/** @file
3 * EM - Internal header file.
4 */
5
6/*
7 * Copyright (C) 2006-2007 Oracle Corporation
8 *
9 * This file is part of VirtualBox Open Source Edition (OSE), as
10 * available from http://www.virtualbox.org. This file is free software;
11 * you can redistribute it and/or modify it under the terms of the GNU
12 * General Public License (GPL) as published by the Free Software
13 * Foundation, in version 2 as it comes in the "COPYING" file of the
14 * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
15 * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
16 */
17
18#ifndef ___EMInternal_h
19#define ___EMInternal_h
20
21#include <VBox/cdefs.h>
22#include <VBox/types.h>
23#include <VBox/em.h>
24#include <VBox/stam.h>
25#include <VBox/patm.h>
26#include <VBox/dis.h>
27#include <VBox/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 4
42#define EM_SAVED_STATE_VERSION_PRE_MWAIT 3
43#define EM_SAVED_STATE_VERSION_PRE_SMP 2
44
45
46/**
47 * MWait state flags.
48 */
49/* MWait activated. */
50#define EMMWAIT_FLAG_ACTIVE RT_BIT(0)
51/* MWait will continue when an interrupt is pending even when IF=0. */
52#define EMMWAIT_FLAG_BREAKIRQIF0 RT_BIT(1)
53/* Monitor instruction was executed previously. */
54#define EMMWAIT_FLAG_MONITOR_ACTIVE RT_BIT(2)
55
56
57/**
58 * Cli node structure
59 */
60typedef struct CLISTAT
61{
62 /** The key is the cli address. */
63 AVLGCPTRNODECORE Core;
64#if HC_ARCH_BITS == 32 && !defined(RT_OS_WINDOWS)
65 /** Padding. */
66 uint32_t u32Padding;
67#endif
68 /** Occurrences. */
69 STAMCOUNTER Counter;
70} CLISTAT, *PCLISTAT;
71#ifdef IN_RING3
72AssertCompileMemberAlignment(CLISTAT, Counter, 8);
73#endif
74
75
76/**
77 * Excessive EM statistics.
78 */
79typedef struct EMSTATS
80{
81 /** GC: Profiling of EMInterpretInstruction(). */
82 STAMPROFILE StatRZEmulate;
83 /** HC: Profiling of EMInterpretInstruction(). */
84 STAMPROFILE StatR3Emulate;
85
86 /** @name Interpreter Instruction statistics.
87 * @{
88 */
89 STAMCOUNTER StatRZInterpretSucceeded;
90 STAMCOUNTER StatR3InterpretSucceeded;
91
92 STAMCOUNTER StatRZAnd;
93 STAMCOUNTER StatR3And;
94 STAMCOUNTER StatRZCpuId;
95 STAMCOUNTER StatR3CpuId;
96 STAMCOUNTER StatRZDec;
97 STAMCOUNTER StatR3Dec;
98 STAMCOUNTER StatRZHlt;
99 STAMCOUNTER StatR3Hlt;
100 STAMCOUNTER StatRZInc;
101 STAMCOUNTER StatR3Inc;
102 STAMCOUNTER StatRZInvlPg;
103 STAMCOUNTER StatR3InvlPg;
104 STAMCOUNTER StatRZIret;
105 STAMCOUNTER StatR3Iret;
106 STAMCOUNTER StatRZLLdt;
107 STAMCOUNTER StatR3LLdt;
108 STAMCOUNTER StatRZLIdt;
109 STAMCOUNTER StatR3LIdt;
110 STAMCOUNTER StatRZLGdt;
111 STAMCOUNTER StatR3LGdt;
112 STAMCOUNTER StatRZMov;
113 STAMCOUNTER StatR3Mov;
114 STAMCOUNTER StatRZMovCRx;
115 STAMCOUNTER StatR3MovCRx;
116 STAMCOUNTER StatRZMovDRx;
117 STAMCOUNTER StatR3MovDRx;
118 STAMCOUNTER StatRZOr;
119 STAMCOUNTER StatR3Or;
120 STAMCOUNTER StatRZPop;
121 STAMCOUNTER StatR3Pop;
122 STAMCOUNTER StatRZSti;
123 STAMCOUNTER StatR3Sti;
124 STAMCOUNTER StatRZXchg;
125 STAMCOUNTER StatR3Xchg;
126 STAMCOUNTER StatRZXor;
127 STAMCOUNTER StatR3Xor;
128 STAMCOUNTER StatRZMonitor;
129 STAMCOUNTER StatR3Monitor;
130 STAMCOUNTER StatRZMWait;
131 STAMCOUNTER StatR3MWait;
132 STAMCOUNTER StatRZAdd;
133 STAMCOUNTER StatR3Add;
134 STAMCOUNTER StatRZSub;
135 STAMCOUNTER StatR3Sub;
136 STAMCOUNTER StatRZAdc;
137 STAMCOUNTER StatR3Adc;
138 STAMCOUNTER StatRZRdtsc;
139 STAMCOUNTER StatR3Rdtsc;
140 STAMCOUNTER StatRZRdpmc;
141 STAMCOUNTER StatR3Rdpmc;
142 STAMCOUNTER StatRZBtr;
143 STAMCOUNTER StatR3Btr;
144 STAMCOUNTER StatRZBts;
145 STAMCOUNTER StatR3Bts;
146 STAMCOUNTER StatRZBtc;
147 STAMCOUNTER StatR3Btc;
148 STAMCOUNTER StatRZCmpXchg;
149 STAMCOUNTER StatR3CmpXchg;
150 STAMCOUNTER StatRZCmpXchg8b;
151 STAMCOUNTER StatR3CmpXchg8b;
152 STAMCOUNTER StatRZXAdd;
153 STAMCOUNTER StatR3XAdd;
154 STAMCOUNTER StatRZClts;
155 STAMCOUNTER StatR3Clts;
156 STAMCOUNTER StatRZStosWD;
157 STAMCOUNTER StatR3StosWD;
158 STAMCOUNTER StatR3Rdmsr;
159 STAMCOUNTER StatR3Wrmsr;
160 STAMCOUNTER StatRZRdmsr;
161 STAMCOUNTER StatRZWrmsr;
162 STAMCOUNTER StatRZWbInvd;
163 STAMCOUNTER StatR3WbInvd;
164 STAMCOUNTER StatRZLmsw;
165 STAMCOUNTER StatR3Lmsw;
166 STAMCOUNTER StatRZSmsw;
167 STAMCOUNTER StatR3Smsw;
168
169 STAMCOUNTER StatRZInterpretFailed;
170 STAMCOUNTER StatR3InterpretFailed;
171
172 STAMCOUNTER StatRZFailedAnd;
173 STAMCOUNTER StatR3FailedAnd;
174 STAMCOUNTER StatRZFailedCpuId;
175 STAMCOUNTER StatR3FailedCpuId;
176 STAMCOUNTER StatRZFailedDec;
177 STAMCOUNTER StatR3FailedDec;
178 STAMCOUNTER StatRZFailedHlt;
179 STAMCOUNTER StatR3FailedHlt;
180 STAMCOUNTER StatRZFailedInc;
181 STAMCOUNTER StatR3FailedInc;
182 STAMCOUNTER StatRZFailedInvlPg;
183 STAMCOUNTER StatR3FailedInvlPg;
184 STAMCOUNTER StatRZFailedIret;
185 STAMCOUNTER StatR3FailedIret;
186 STAMCOUNTER StatRZFailedLLdt;
187 STAMCOUNTER StatR3FailedLLdt;
188 STAMCOUNTER StatRZFailedLGdt;
189 STAMCOUNTER StatR3FailedLGdt;
190 STAMCOUNTER StatRZFailedLIdt;
191 STAMCOUNTER StatR3FailedLIdt;
192 STAMCOUNTER StatRZFailedMisc;
193 STAMCOUNTER StatR3FailedMisc;
194 STAMCOUNTER StatRZFailedMov;
195 STAMCOUNTER StatR3FailedMov;
196 STAMCOUNTER StatRZFailedMovCRx;
197 STAMCOUNTER StatR3FailedMovCRx;
198 STAMCOUNTER StatRZFailedMovDRx;
199 STAMCOUNTER StatR3FailedMovDRx;
200 STAMCOUNTER StatRZFailedOr;
201 STAMCOUNTER StatR3FailedOr;
202 STAMCOUNTER StatRZFailedPop;
203 STAMCOUNTER StatR3FailedPop;
204 STAMCOUNTER StatRZFailedSti;
205 STAMCOUNTER StatR3FailedSti;
206 STAMCOUNTER StatRZFailedXchg;
207 STAMCOUNTER StatR3FailedXchg;
208 STAMCOUNTER StatRZFailedXor;
209 STAMCOUNTER StatR3FailedXor;
210 STAMCOUNTER StatRZFailedMonitor;
211 STAMCOUNTER StatR3FailedMonitor;
212 STAMCOUNTER StatRZFailedMWait;
213 STAMCOUNTER StatR3FailedMWait;
214 STAMCOUNTER StatR3FailedRdmsr;
215 STAMCOUNTER StatR3FailedWrmsr;
216 STAMCOUNTER StatRZFailedRdmsr;
217 STAMCOUNTER StatRZFailedWrmsr;
218 STAMCOUNTER StatRZFailedLmsw;
219 STAMCOUNTER StatR3FailedLmsw;
220 STAMCOUNTER StatRZFailedSmsw;
221 STAMCOUNTER StatR3FailedSmsw;
222
223 STAMCOUNTER StatRZFailedAdd;
224 STAMCOUNTER StatR3FailedAdd;
225 STAMCOUNTER StatRZFailedAdc;
226 STAMCOUNTER StatR3FailedAdc;
227 STAMCOUNTER StatRZFailedBtr;
228 STAMCOUNTER StatR3FailedBtr;
229 STAMCOUNTER StatRZFailedBts;
230 STAMCOUNTER StatR3FailedBts;
231 STAMCOUNTER StatRZFailedBtc;
232 STAMCOUNTER StatR3FailedBtc;
233 STAMCOUNTER StatRZFailedCli;
234 STAMCOUNTER StatR3FailedCli;
235 STAMCOUNTER StatRZFailedCmpXchg;
236 STAMCOUNTER StatR3FailedCmpXchg;
237 STAMCOUNTER StatRZFailedCmpXchg8b;
238 STAMCOUNTER StatR3FailedCmpXchg8b;
239 STAMCOUNTER StatRZFailedXAdd;
240 STAMCOUNTER StatR3FailedXAdd;
241 STAMCOUNTER StatR3FailedMovNTPS;
242 STAMCOUNTER StatRZFailedMovNTPS;
243 STAMCOUNTER StatRZFailedStosWD;
244 STAMCOUNTER StatR3FailedStosWD;
245 STAMCOUNTER StatRZFailedSub;
246 STAMCOUNTER StatR3FailedSub;
247 STAMCOUNTER StatRZFailedWbInvd;
248 STAMCOUNTER StatR3FailedWbInvd;
249 STAMCOUNTER StatRZFailedRdtsc;
250 STAMCOUNTER StatR3FailedRdtsc;
251 STAMCOUNTER StatRZFailedRdpmc;
252 STAMCOUNTER StatR3FailedRdpmc;
253 STAMCOUNTER StatRZFailedClts;
254 STAMCOUNTER StatR3FailedClts;
255
256 STAMCOUNTER StatRZFailedUserMode;
257 STAMCOUNTER StatR3FailedUserMode;
258 STAMCOUNTER StatRZFailedPrefix;
259 STAMCOUNTER StatR3FailedPrefix;
260 /** @} */
261
262 /** @name Privileged Instructions Ending Up In HC.
263 * @{ */
264 STAMCOUNTER StatCli;
265 STAMCOUNTER StatSti;
266 STAMCOUNTER StatIn;
267 STAMCOUNTER StatIoRestarted;
268 STAMCOUNTER StatOut;
269 STAMCOUNTER StatInvlpg;
270 STAMCOUNTER StatHlt;
271 STAMCOUNTER StatMovReadCR[USE_REG_CR4 + 1];
272 STAMCOUNTER StatMovWriteCR[USE_REG_CR4 + 1];
273 STAMCOUNTER StatMovDRx;
274 STAMCOUNTER StatIret;
275 STAMCOUNTER StatMovLgdt;
276 STAMCOUNTER StatMovLldt;
277 STAMCOUNTER StatMovLidt;
278 STAMCOUNTER StatMisc;
279 STAMCOUNTER StatSysEnter;
280 STAMCOUNTER StatSysExit;
281 STAMCOUNTER StatSysCall;
282 STAMCOUNTER StatSysRet;
283 /** @} */
284
285} EMSTATS;
286/** Pointer to the excessive EM statistics. */
287typedef EMSTATS *PEMSTATS;
288
289
290/**
291 * Converts a EM pointer into a VM pointer.
292 * @returns Pointer to the VM structure the EM is part of.
293 * @param pEM Pointer to EM instance data.
294 */
295#define EM2VM(pEM) ( (PVM)((char*)pEM - pEM->offVM) )
296
297/**
298 * EM VM Instance data.
299 * Changes to this must checked against the padding of the cfgm union in VM!
300 */
301typedef struct EM
302{
303 /** Offset to the VM structure.
304 * See EM2VM(). */
305 RTUINT offVM;
306
307 /** Id of the VCPU that last executed code in the recompiler. */
308 VMCPUID idLastRemCpu;
309
310 /** REM critical section.
311 * This protects recompiler usage
312 */
313 PDMCRITSECT CritSectREM;
314} EM;
315/** Pointer to EM VM instance data. */
316typedef EM *PEM;
317
318
319/**
320 * EM VMCPU Instance data.
321 */
322typedef struct EMCPU
323{
324 /** Offset to the VM structure.
325 * See EMCPU2VM(). */
326 RTUINT offVMCPU;
327
328 /** Execution Manager State. */
329 EMSTATE volatile enmState;
330
331 /** Previous Execution Manager State. */
332 EMSTATE enmPrevState;
333
334 /** Force raw-mode execution.
335 * This is used to prevent REM from trying to execute patch code.
336 * The flag is cleared upon entering emR3RawExecute() and updated in certain return paths. */
337 bool fForceRAW;
338
339 uint8_t u8Padding[3];
340
341 /** Inhibit interrupts for this instruction. Valid only when VM_FF_INHIBIT_INTERRUPTS is set. */
342 RTGCUINTPTR GCPtrInhibitInterrupts;
343
344 /** Pointer to the PATM status structure. (R3 Ptr) */
345 R3PTRTYPE(PPATMGCSTATE) pPatmGCState;
346
347 /** Pointer to the guest CPUM state. (R3 Ptr) */
348 R3PTRTYPE(PCPUMCTX) pCtx;
349
350#if GC_ARCH_BITS == 64
351 RTGCPTR aPadding1;
352#endif
353
354 /* MWait halt state. */
355 struct
356 {
357 uint32_t fWait; /* type of mwait; see EMMWAIT_FLAG_* */
358 uint32_t a32Padding[1];
359 RTGCPTR uMWaitEAX; /* mwait hints */
360 RTGCPTR uMWaitECX; /* mwait extensions */
361 RTGCPTR uMonitorEAX; /* monitored address. */
362 RTGCPTR uMonitorECX; /* monitor extension. */
363 RTGCPTR uMonitorEDX; /* monitor hint. */
364 } mwait;
365
366 union
367 {
368 /** Padding used in the other rings.
369 * This must be larger than jmp_buf on any supported platform. */
370 char achPaddingFatalLongJump[HC_ARCH_BITS == 32 ? 176 : 256];
371#ifdef IN_RING3
372 /** Long buffer jump for fatal VM errors.
373 * It will jump to before the outer EM loop is entered. */
374 jmp_buf FatalLongJump;
375#endif
376 } u;
377
378 /** For saving stack space, the disassembler state is allocated here instead of
379 * on the stack.
380 * @note The DISCPUSTATE structure is not R3/R0/RZ clean! */
381 union
382 {
383 /** The disassembler scratch space. */
384 DISCPUSTATE DisState;
385 /** Padding. */
386 uint8_t abDisStatePadding[DISCPUSTATE_PADDING_SIZE];
387 };
388
389 /** @name Execution profiling.
390 * @{ */
391 STAMPROFILE StatForcedActions;
392 STAMPROFILE StatHalted;
393 STAMPROFILEADV StatHwAccEntry;
394 STAMPROFILE StatHwAccExec;
395 STAMPROFILE StatREMEmu;
396 STAMPROFILE StatREMExec;
397 STAMPROFILE StatREMSync;
398 STAMPROFILEADV StatREMTotal;
399 STAMPROFILE StatRAWExec;
400 STAMPROFILEADV StatRAWEntry;
401 STAMPROFILEADV StatRAWTail;
402 STAMPROFILEADV StatRAWTotal;
403 STAMPROFILEADV StatTotal;
404 /** @} */
405
406 /** R3: Profiling of emR3RawExecuteIOInstruction. */
407 STAMPROFILE StatIOEmu;
408 /** R3: Profiling of emR3RawPrivileged. */
409 STAMPROFILE StatPrivEmu;
410 /** R3: Number of time emR3HwAccExecute is called. */
411 STAMCOUNTER StatHwAccExecuteEntry;
412
413 /** More statistics (R3). */
414 R3PTRTYPE(PEMSTATS) pStatsR3;
415 /** More statistics (R0). */
416 R0PTRTYPE(PEMSTATS) pStatsR0;
417 /** More statistics (RC). */
418 RCPTRTYPE(PEMSTATS) pStatsRC;
419#if HC_ARCH_BITS == 64
420 RTRCPTR padding0;
421#endif
422
423 /** Tree for keeping track of cli occurances (debug only). */
424 R3PTRTYPE(PAVLGCPTRNODECORE) pCliStatTree;
425 STAMCOUNTER StatTotalClis;
426#if 0
427 /** 64-bit Visual C++ rounds the struct size up to 16 byte. */
428 uint64_t padding1;
429#endif
430} EMCPU;
431/** Pointer to EM VM instance data. */
432typedef EMCPU *PEMCPU;
433
434/** @} */
435
436
437int emR3HwAccExecute(PVM pVM, PVMCPU pVCpu, bool *pfFFDone);
438int emR3RawExecute(PVM pVM, PVMCPU pVCpu, bool *pfFFDone);
439int emR3RawHandleRC(PVM pVM, PVMCPU pVCpu, PCPUMCTX pCtx, int rc);
440int emR3HwaccmHandleRC(PVM pVM, PVMCPU pVCpu, PCPUMCTX pCtx, int rc);
441EMSTATE emR3Reschedule(PVM pVM, PVMCPU pVCpu, PCPUMCTX pCtx);
442int emR3ForcedActions(PVM pVM, PVMCPU pVCpu, int rc);
443int emR3HighPriorityPostForcedActions(PVM pVM, PVMCPU pVCpu, int rc);
444int emR3RawUpdateForceFlag(PVM pVM, PVMCPU pVCpu, PCPUMCTX pCtx, int rc);
445int emR3RawResumeHyper(PVM pVM, PVMCPU pVCpu);
446int emR3RawStep(PVM pVM, PVMCPU pVCpu);
447int emR3SingleStepExecRem(PVM pVM, PVMCPU pVCpu, uint32_t cIterations);
448
449RT_C_DECLS_END
450
451#endif
452
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