VMMInternal.h@ 31302

Last change on this file since 31302 was 29902, checked in by vboxsync, 15 years ago
PDM: Flushed out the PDMQueueFlush code as its unused and problematic wrt guest SMP.
Property svn:eol-style set to `native` Property svn:keywords set to `Id`
File size: 22.0 KB

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1	/* $Id: VMMInternal.h 29902 2010-05-31 12:56:31Z vboxsync $ */
2	/** @file
3	* VMM - 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 ___VMMInternal_h
19	#define ___VMMInternal_h
20
21	#include <VBox/cdefs.h>
22	#include <VBox/stam.h>
23	#include <VBox/log.h>
24	#include <iprt/critsect.h>
25
26
27	#if !defined(IN_VMM_R3) && !defined(IN_VMM_R0) && !defined(IN_VMM_RC)
28	# error "Not in VMM! This is an internal header!"
29	#endif
30
31
32	/** @defgroup grp_vmm_int Internals
33	* @ingroup grp_vmm
34	* @internal
35	* @{
36	*/
37
38	/** @def VBOX_WITH_RC_RELEASE_LOGGING
39	* Enables RC release logging. */
40	#define VBOX_WITH_RC_RELEASE_LOGGING
41
42	/** @def VBOX_WITH_R0_LOGGING
43	* Enables Ring-0 logging (non-release).
44	*
45	* Ring-0 logging isn't 100% safe yet (thread id reuse / process exit cleanup),
46	* so you have to sign up here by adding your defined(DEBUG_<userid>) to the
47	* #if, or by adding VBOX_WITH_R0_LOGGING to your LocalConfig.kmk.
48	*/
49	#if defined(DEBUG_sandervl) \|\| defined(DEBUG_frank) \|\| defined(DOXYGEN_RUNNING)
50	# define VBOX_WITH_R0_LOGGING
51	#endif
52
53	/** @def VBOX_STRICT_VMM_STACK
54	* Enables VMM stack guard pages to catch stack over- and underruns. */
55	#if defined(VBOX_STRICT) \|\| defined(DOXYGEN_RUNNING)
56	# define VBOX_STRICT_VMM_STACK
57	#endif
58
59
60	/**
61	* Converts a VMM pointer into a VM pointer.
62	* @returns Pointer to the VM structure the VMM is part of.
63	* @param pVMM Pointer to VMM instance data.
64	*/
65	#define VMM2VM(pVMM) ( (PVM)((char*)pVMM - pVMM->offVM) )
66
67
68	/**
69	* Switcher function, HC to RC.
70	*
71	* @param pVM The VM handle.
72	* @returns Return code indicating the action to take.
73	*/
74	typedef DECLASMTYPE(int) FNVMMSWITCHERHC(PVM pVM);
75	/** Pointer to switcher function. */
76	typedef FNVMMSWITCHERHC *PFNVMMSWITCHERHC;
77
78	/**
79	* Switcher function, RC to HC.
80	*
81	* @param rc VBox status code.
82	*/
83	typedef DECLASMTYPE(void) FNVMMSWITCHERRC(int rc);
84	/** Pointer to switcher function. */
85	typedef FNVMMSWITCHERRC *PFNVMMSWITCHERRC;
86
87
88	/**
89	* The ring-0 logger instance wrapper.
90	*
91	* We need to be able to find the VM handle from the logger instance, so we wrap
92	* it in this structure.
93	*/
94	typedef struct VMMR0LOGGER
95	{
96	/** Pointer to the VM handle. */
97	R0PTRTYPE(PVM) pVM;
98	/** Size of the allocated logger instance (Logger). */
99	uint32_t cbLogger;
100	/** Flag indicating whether we've create the logger Ring-0 instance yet. */
101	bool fCreated;
102	/** Flag indicating whether we've disabled flushing (world switch) or not. */
103	bool fFlushingDisabled;
104	/** Flag indicating whether we've registered the instance already. */
105	bool fRegistered;
106	bool a8Alignment;
107	/** The CPU ID. */
108	VMCPUID idCpu;
109	#if HC_ARCH_BITS == 64
110	uint32_t u32Alignment;
111	#endif
112	/** The ring-0 logger instance. This extends beyond the size. */
113	RTLOGGER Logger;
114	} VMMR0LOGGER;
115	/** Pointer to a ring-0 logger instance wrapper. */
116	typedef VMMR0LOGGER *PVMMR0LOGGER;
117
118
119	/**
120	* Jump buffer for the setjmp/longjmp like constructs used to
121	* quickly 'call' back into Ring-3.
122	*/
123	typedef struct VMMR0JMPBUF
124	{
125	/** Traditional jmp_buf stuff
126	* @{ */
127	#if HC_ARCH_BITS == 32
128	uint32_t ebx;
129	uint32_t esi;
130	uint32_t edi;
131	uint32_t ebp;
132	uint32_t esp;
133	uint32_t eip;
134	uint32_t eflags;
135	#endif
136	#if HC_ARCH_BITS == 64
137	uint64_t rbx;
138	# ifdef RT_OS_WINDOWS
139	uint64_t rsi;
140	uint64_t rdi;
141	# endif
142	uint64_t rbp;
143	uint64_t r12;
144	uint64_t r13;
145	uint64_t r14;
146	uint64_t r15;
147	uint64_t rsp;
148	uint64_t rip;
149	# ifdef RT_OS_WINDOWS
150	uint128_t xmm6;
151	uint128_t xmm7;
152	uint128_t xmm8;
153	uint128_t xmm9;
154	uint128_t xmm10;
155	uint128_t xmm11;
156	uint128_t xmm12;
157	uint128_t xmm13;
158	uint128_t xmm14;
159	uint128_t xmm15;
160	# endif
161	uint64_t rflags;
162	#endif
163	/** @} */
164
165	/** Flag that indicates that we've done a ring-3 call. */
166	bool fInRing3Call;
167	/** The number of bytes we've saved. */
168	uint32_t cbSavedStack;
169	/** Pointer to the buffer used to save the stack.
170	* This is assumed to be 8KB. */
171	RTR0PTR pvSavedStack;
172	/** Esp we we match against esp on resume to make sure the stack wasn't relocated. */
173	RTHCUINTREG SpCheck;
174	/** The esp we should resume execution with after the restore. */
175	RTHCUINTREG SpResume;
176	/** ESP/RSP at the time of the jump to ring 3. */
177	RTHCUINTREG SavedEsp;
178	/** EBP/RBP at the time of the jump to ring 3. */
179	RTHCUINTREG SavedEbp;
180
181	/** Stats: Max amount of stack used. */
182	uint32_t cbUsedMax;
183	/** Stats: Average stack usage. (Avg = cbUsedTotal / cUsedTotal) */
184	uint32_t cbUsedAvg;
185	/** Stats: Total amount of stack used. */
186	uint64_t cbUsedTotal;
187	/** Stats: Number of stack usages. */
188	uint64_t cUsedTotal;
189	} VMMR0JMPBUF;
190	/** Pointer to a ring-0 jump buffer. */
191	typedef VMMR0JMPBUF *PVMMR0JMPBUF;
192
193
194	/**
195	* VMM Data (part of VM)
196	*/
197	typedef struct VMM
198	{
199	/** Offset to the VM structure.
200	* See VMM2VM(). */
201	RTINT offVM;
202
203	/** @name World Switcher and Related
204	* @{
205	*/
206	/** Size of the core code. */
207	RTUINT cbCoreCode;
208	/** Physical address of core code. */
209	RTHCPHYS HCPhysCoreCode;
210	/** Pointer to core code ring-3 mapping - contiguous memory.
211	* At present this only means the context switcher code. */
212	RTR3PTR pvCoreCodeR3;
213	/** Pointer to core code ring-0 mapping - contiguous memory.
214	* At present this only means the context switcher code. */
215	RTR0PTR pvCoreCodeR0;
216	/** Pointer to core code guest context mapping. */
217	RTRCPTR pvCoreCodeRC;
218	RTRCPTR pRCPadding0; /*< Alignment padding /
219	#ifdef VBOX_WITH_NMI
220	/** The guest context address of the APIC (host) mapping. */
221	RTRCPTR GCPtrApicBase;
222	RTRCPTR pRCPadding1; /*< Alignment padding /
223	#endif
224	/** The current switcher.
225	* This will be set before the VMM is fully initialized. */
226	VMMSWITCHER enmSwitcher;
227	/** Flag to disable the switcher permanently (VMX) (boolean) */
228	bool fSwitcherDisabled;
229	/** Array of offsets to the different switchers within the core code. */
230	RTUINT aoffSwitchers[VMMSWITCHER_MAX];
231
232	/** Resume Guest Execution. See CPUMGCResumeGuest(). */
233	RTRCPTR pfnCPUMRCResumeGuest;
234	/** Resume Guest Execution in V86 mode. See CPUMGCResumeGuestV86(). */
235	RTRCPTR pfnCPUMRCResumeGuestV86;
236	/** Call Trampoline. See vmmGCCallTrampoline(). */
237	RTRCPTR pfnCallTrampolineRC;
238	/** Guest to host switcher entry point. */
239	RCPTRTYPE(PFNVMMSWITCHERRC) pfnGuestToHostRC;
240	/** Host to guest switcher entry point. */
241	R0PTRTYPE(PFNVMMSWITCHERHC) pfnHostToGuestR0;
242	/** @} */
243
244	/** @name Logging
245	* @{
246	*/
247	/** Size of the allocated logger instance (pRCLoggerRC/pRCLoggerR3). */
248	uint32_t cbRCLogger;
249	/** Pointer to the RC logger instance - RC Ptr.
250	* This is NULL if logging is disabled. */
251	RCPTRTYPE(PRTLOGGERRC) pRCLoggerRC;
252	/** Pointer to the GC logger instance - R3 Ptr.
253	* This is NULL if logging is disabled. */
254	R3PTRTYPE(PRTLOGGERRC) pRCLoggerR3;
255	/** Pointer to the GC release logger instance - R3 Ptr. */
256	R3PTRTYPE(PRTLOGGERRC) pRCRelLoggerR3;
257	/** Pointer to the GC release logger instance - RC Ptr. */
258	RCPTRTYPE(PRTLOGGERRC) pRCRelLoggerRC;
259	/** Size of the allocated release logger instance (pRCRelLoggerRC/pRCRelLoggerR3).
260	* This may differ from cbRCLogger. */
261	uint32_t cbRCRelLogger;
262	/** Whether log flushing has been disabled or not. */
263	bool fRCLoggerFlushingDisabled;
264	bool afAlignment[6]; /*< Alignment padding. /
265	/** @} */
266
267	/** Whether the stack guard pages have been stationed or not. */
268	bool fStackGuardsStationed;
269
270	/** The EMT yield timer. */
271	PTMTIMERR3 pYieldTimer;
272	/** The period to the next timeout when suspended or stopped.
273	* This is 0 when running. */
274	uint32_t cYieldResumeMillies;
275	/** The EMT yield timer interval (milliseconds). */
276	uint32_t cYieldEveryMillies;
277	/** The timestamp of the previous yield. (nano) */
278	uint64_t u64LastYield;
279
280	/** Critical section.
281	* Use for synchronizing all VCPUs
282	*/
283	RTCRITSECT CritSectSync;
284
285	/** @name EMT Rendezvous
286	* @{ */
287	/** Semaphore to wait on upon entering ordered execution. */
288	R3PTRTYPE(PRTSEMEVENT) pahEvtRendezvousEnterOrdered;
289	/** Semaphore to wait on upon entering for one-by-one execution. */
290	RTSEMEVENT hEvtRendezvousEnterOneByOne;
291	/** Semaphore to wait on upon entering for all-at-once execution. */
292	RTSEMEVENTMULTI hEvtMulRendezvousEnterAllAtOnce;
293	/** Semaphore to wait on when done. */
294	RTSEMEVENTMULTI hEvtMulRendezvousDone;
295	/** Semaphore the VMMR3EmtRendezvous caller waits on at the end. */
296	RTSEMEVENT hEvtRendezvousDoneCaller;
297	/** Callback. */
298	R3PTRTYPE(PFNVMMEMTRENDEZVOUS) volatile pfnRendezvous;
299	/** The user argument for the callback. */
300	RTR3PTR volatile pvRendezvousUser;
301	/** Flags. */
302	volatile uint32_t fRendezvousFlags;
303	/** The number of EMTs that has entered. */
304	volatile uint32_t cRendezvousEmtsEntered;
305	/** The number of EMTs that has done their job. */
306	volatile uint32_t cRendezvousEmtsDone;
307	/** The number of EMTs that has returned. */
308	volatile uint32_t cRendezvousEmtsReturned;
309	/** The status code. */
310	volatile int32_t i32RendezvousStatus;
311	/** Spin lock. */
312	volatile uint32_t u32RendezvousLock;
313	/** @} */
314
315	#if HC_ARCH_BITS == 32
316	uint32_t u32Alignment; /*< Alignment padding. /
317	#endif
318
319	/** Buffer for storing the standard assertion message for a ring-0 assertion.
320	* Used for saving the assertion message text for the release log and guru
321	* meditation dump. */
322	char szRing0AssertMsg1[512];
323	/** Buffer for storing the custom message for a ring-0 assertion. */
324	char szRing0AssertMsg2[256];
325
326	/** Number of VMMR0_DO_RUN_GC calls. */
327	STAMCOUNTER StatRunRC;
328
329	/** Statistics for each of the RC/R0 return codes.
330	* @{ */
331	STAMCOUNTER StatRZRetNormal;
332	STAMCOUNTER StatRZRetInterrupt;
333	STAMCOUNTER StatRZRetInterruptHyper;
334	STAMCOUNTER StatRZRetGuestTrap;
335	STAMCOUNTER StatRZRetRingSwitch;
336	STAMCOUNTER StatRZRetRingSwitchInt;
337	STAMCOUNTER StatRZRetStaleSelector;
338	STAMCOUNTER StatRZRetIRETTrap;
339	STAMCOUNTER StatRZRetEmulate;
340	STAMCOUNTER StatRZRetIOBlockEmulate;
341	STAMCOUNTER StatRZRetPatchEmulate;
342	STAMCOUNTER StatRZRetIORead;
343	STAMCOUNTER StatRZRetIOWrite;
344	STAMCOUNTER StatRZRetMMIORead;
345	STAMCOUNTER StatRZRetMMIOWrite;
346	STAMCOUNTER StatRZRetMMIOPatchRead;
347	STAMCOUNTER StatRZRetMMIOPatchWrite;
348	STAMCOUNTER StatRZRetMMIOReadWrite;
349	STAMCOUNTER StatRZRetLDTFault;
350	STAMCOUNTER StatRZRetGDTFault;
351	STAMCOUNTER StatRZRetIDTFault;
352	STAMCOUNTER StatRZRetTSSFault;
353	STAMCOUNTER StatRZRetPDFault;
354	STAMCOUNTER StatRZRetCSAMTask;
355	STAMCOUNTER StatRZRetSyncCR3;
356	STAMCOUNTER StatRZRetMisc;
357	STAMCOUNTER StatRZRetPatchInt3;
358	STAMCOUNTER StatRZRetPatchPF;
359	STAMCOUNTER StatRZRetPatchGP;
360	STAMCOUNTER StatRZRetPatchIretIRQ;
361	STAMCOUNTER StatRZRetRescheduleREM;
362	STAMCOUNTER StatRZRetToR3;
363	STAMCOUNTER StatRZRetTimerPending;
364	STAMCOUNTER StatRZRetInterruptPending;
365	STAMCOUNTER StatRZRetCallRing3;
366	STAMCOUNTER StatRZRetPATMDuplicateFn;
367	STAMCOUNTER StatRZRetPGMChangeMode;
368	STAMCOUNTER StatRZRetPendingRequest;
369	STAMCOUNTER StatRZRetPGMFlushPending;
370	STAMCOUNTER StatRZRetPatchTPR;
371	STAMCOUNTER StatRZCallPDMLock;
372	STAMCOUNTER StatRZCallLogFlush;
373	STAMCOUNTER StatRZCallPGMPoolGrow;
374	STAMCOUNTER StatRZCallPGMMapChunk;
375	STAMCOUNTER StatRZCallPGMAllocHandy;
376	STAMCOUNTER StatRZCallRemReplay;
377	STAMCOUNTER StatRZCallVMSetError;
378	STAMCOUNTER StatRZCallVMSetRuntimeError;
379	STAMCOUNTER StatRZCallPGMLock;
380	/** @} */
381	} VMM;
382	/** Pointer to VMM. */
383	typedef VMM *PVMM;
384
385
386	/**
387	* VMMCPU Data (part of VMCPU)
388	*/
389	typedef struct VMMCPU
390	{
391	/** Offset to the VMCPU structure.
392	* See VMM2VMCPU(). */
393	RTINT offVMCPU;
394
395	/** The last RC/R0 return code. */
396	int32_t iLastGZRc;
397
398	/** VMM stack, pointer to the top of the stack in R3.
399	* Stack is allocated from the hypervisor heap and is page aligned
400	* and always writable in RC. */
401	R3PTRTYPE(uint8_t *) pbEMTStackR3;
402	/** Pointer to the bottom of the stack - needed for doing relocations. */
403	RCPTRTYPE(uint8_t *) pbEMTStackRC;
404	/** Pointer to the bottom of the stack - needed for doing relocations. */
405	RCPTRTYPE(uint8_t *) pbEMTStackBottomRC;
406
407	#ifdef LOG_ENABLED
408	/** Pointer to the R0 logger instance - R3 Ptr.
409	* This is NULL if logging is disabled. */
410	R3PTRTYPE(PVMMR0LOGGER) pR0LoggerR3;
411	/** Pointer to the R0 logger instance - R0 Ptr.
412	* This is NULL if logging is disabled. */
413	R0PTRTYPE(PVMMR0LOGGER) pR0LoggerR0;
414	#endif
415
416	/** @name Call Ring-3
417	* Formerly known as host calls.
418	* @{ */
419	/** The disable counter. */
420	uint32_t cCallRing3Disabled;
421	/** The pending operation. */
422	VMMCALLRING3 enmCallRing3Operation;
423	/** The result of the last operation. */
424	int32_t rcCallRing3;
425	#if HC_ARCH_BITS == 64
426	uint32_t padding;
427	#endif
428	/** The argument to the operation. */
429	uint64_t u64CallRing3Arg;
430	/** The Ring-0 jmp buffer. */
431	VMMR0JMPBUF CallRing3JmpBufR0;
432	/** @} */
433
434	} VMMCPU;
435	/** Pointer to VMMCPU. */
436	typedef VMMCPU *PVMMCPU;
437
438
439	/**
440	* The VMMGCEntry() codes.
441	*/
442	typedef enum VMMGCOPERATION
443	{
444	/** Do GC module init. */
445	VMMGC_DO_VMMGC_INIT = 1,
446
447	/** The first Trap testcase. */
448	VMMGC_DO_TESTCASE_TRAP_FIRST = 0x0dead000,
449	/** Trap 0 testcases, uArg selects the variation. */
450	VMMGC_DO_TESTCASE_TRAP_0 = VMMGC_DO_TESTCASE_TRAP_FIRST,
451	/** Trap 1 testcases, uArg selects the variation. */
452	VMMGC_DO_TESTCASE_TRAP_1,
453	/** Trap 2 testcases, uArg selects the variation. */
454	VMMGC_DO_TESTCASE_TRAP_2,
455	/** Trap 3 testcases, uArg selects the variation. */
456	VMMGC_DO_TESTCASE_TRAP_3,
457	/** Trap 4 testcases, uArg selects the variation. */
458	VMMGC_DO_TESTCASE_TRAP_4,
459	/** Trap 5 testcases, uArg selects the variation. */
460	VMMGC_DO_TESTCASE_TRAP_5,
461	/** Trap 6 testcases, uArg selects the variation. */
462	VMMGC_DO_TESTCASE_TRAP_6,
463	/** Trap 7 testcases, uArg selects the variation. */
464	VMMGC_DO_TESTCASE_TRAP_7,
465	/** Trap 8 testcases, uArg selects the variation. */
466	VMMGC_DO_TESTCASE_TRAP_8,
467	/** Trap 9 testcases, uArg selects the variation. */
468	VMMGC_DO_TESTCASE_TRAP_9,
469	/** Trap 0a testcases, uArg selects the variation. */
470	VMMGC_DO_TESTCASE_TRAP_0A,
471	/** Trap 0b testcases, uArg selects the variation. */
472	VMMGC_DO_TESTCASE_TRAP_0B,
473	/** Trap 0c testcases, uArg selects the variation. */
474	VMMGC_DO_TESTCASE_TRAP_0C,
475	/** Trap 0d testcases, uArg selects the variation. */
476	VMMGC_DO_TESTCASE_TRAP_0D,
477	/** Trap 0e testcases, uArg selects the variation. */
478	VMMGC_DO_TESTCASE_TRAP_0E,
479	/** The last trap testcase (exclusive). */
480	VMMGC_DO_TESTCASE_TRAP_LAST,
481	/** Testcase for checking interrupt forwarding. */
482	VMMGC_DO_TESTCASE_HYPER_INTERRUPT,
483	/** Switching testing and profiling stub. */
484	VMMGC_DO_TESTCASE_NOP,
485	/** Testcase for checking interrupt masking.. */
486	VMMGC_DO_TESTCASE_INTERRUPT_MASKING,
487	/** Switching testing and profiling stub. */
488	VMMGC_DO_TESTCASE_HWACCM_NOP,
489
490	/** The usual 32-bit hack. */
491	VMMGC_DO_32_BIT_HACK = 0x7fffffff
492	} VMMGCOPERATION;
493
494
495	RT_C_DECLS_BEGIN
496
497	#ifdef IN_RING3
498	int vmmR3SwitcherInit(PVM pVM);
499	void vmmR3SwitcherRelocate(PVM pVM, RTGCINTPTR offDelta);
500	#endif /* IN_RING3 */
501
502	#ifdef IN_RING0
503	/**
504	* World switcher assembly routine.
505	* It will call VMMGCEntry().
506	*
507	* @returns return code from VMMGCEntry().
508	* @param pVM The VM in question.
509	* @param uArg See VMMGCEntry().
510	* @internal
511	*/
512	DECLASM(int) vmmR0WorldSwitch(PVM pVM, unsigned uArg);
513
514	/**
515	* Callback function for vmmR0CallRing3SetJmp.
516	*
517	* @returns VBox status code.
518	* @param pVM The VM handle.
519	*/
520	typedef DECLCALLBACK(int) FNVMMR0SETJMP(PVM pVM, PVMCPU pVCpu);
521	/** Pointer to FNVMMR0SETJMP(). */
522	typedef FNVMMR0SETJMP *PFNVMMR0SETJMP;
523
524	/**
525	* The setjmp variant used for calling Ring-3.
526	*
527	* This differs from the normal setjmp in that it will resume VMMRZCallRing3 if we're
528	* in the middle of a ring-3 call. Another differences is the function pointer and
529	* argument. This has to do with resuming code and the stack frame of the caller.
530	*
531	* @returns VINF_SUCCESS on success or whatever is passed to vmmR0CallRing3LongJmp.
532	* @param pJmpBuf The jmp_buf to set.
533	* @param pfn The function to be called when not resuming..
534	* @param pVM The argument of that function.
535	*/
536	DECLASM(int) vmmR0CallRing3SetJmp(PVMMR0JMPBUF pJmpBuf, PFNVMMR0SETJMP pfn, PVM pVM, PVMCPU pVCpu);
537
538	/**
539	* Callback function for vmmR0CallRing3SetJmpEx.
540	*
541	* @returns VBox status code.
542	* @param pvUser The user argument.
543	*/
544	typedef DECLCALLBACK(int) FNVMMR0SETJMPEX(void *pvUser);
545	/** Pointer to FNVMMR0SETJMP(). */
546	typedef FNVMMR0SETJMPEX *PFNVMMR0SETJMPEX;
547
548	/**
549	* Same as vmmR0CallRing3SetJmp except for the function signature.
550	*
551	* @returns VINF_SUCCESS on success or whatever is passed to vmmR0CallRing3LongJmp.
552	* @param pJmpBuf The jmp_buf to set.
553	* @param pfn The function to be called when not resuming..
554	* @param pvUser The argument of that function.
555	*/
556	DECLASM(int) vmmR0CallRing3SetJmpEx(PVMMR0JMPBUF pJmpBuf, PFNVMMR0SETJMPEX pfn, void *pvUser);
557
558
559	/**
560	* Worker for VMMRZCallRing3.
561	* This will save the stack and registers.
562	*
563	* @returns rc.
564	* @param pJmpBuf Pointer to the jump buffer.
565	* @param rc The return code.
566	*/
567	DECLASM(int) vmmR0CallRing3LongJmp(PVMMR0JMPBUF pJmpBuf, int rc);
568
569	/**
570	* Internal R0 logger worker: Logger wrapper.
571	*/
572	VMMR0DECL(void) vmmR0LoggerWrapper(const char *pszFormat, ...);
573
574	/**
575	* Internal R0 logger worker: Flush logger.
576	*
577	* @param pLogger The logger instance to flush.
578	* @remark This function must be exported!
579	*/
580	VMMR0DECL(void) vmmR0LoggerFlush(PRTLOGGER pLogger);
581
582	/**
583	* Interal R0 logger worker: Custom prefix.
584	*
585	* @returns Number of chars written.
586	*
587	* @param pLogger The logger instance.
588	* @param pchBuf The output buffer.
589	* @param cchBuf The size of the buffer.
590	* @param pvUser User argument (ignored).
591	*/
592	VMMR0DECL(size_t) vmmR0LoggerPrefix(PRTLOGGER pLogger, char pchBuf, size_t cchBuf, void pvUser);
593
594	#endif /* IN_RING0 */
595	#ifdef IN_RC
596
597	/**
598	* Internal GC logger worker: Logger wrapper.
599	*/
600	VMMRCDECL(void) vmmGCLoggerWrapper(const char *pszFormat, ...);
601
602	/**
603	* Internal GC release logger worker: Logger wrapper.
604	*/
605	VMMRCDECL(void) vmmGCRelLoggerWrapper(const char *pszFormat, ...);
606
607	/**
608	* Internal GC logger worker: Flush logger.
609	*
610	* @returns VINF_SUCCESS.
611	* @param pLogger The logger instance to flush.
612	* @remark This function must be exported!
613	*/
614	VMMRCDECL(int) vmmGCLoggerFlush(PRTLOGGERRC pLogger);
615
616	/** @name Trap testcases and related labels.
617	* @{ */
618	DECLASM(void) vmmGCEnableWP(void);
619	DECLASM(void) vmmGCDisableWP(void);
620	DECLASM(int) vmmGCTestTrap3(void);
621	DECLASM(int) vmmGCTestTrap8(void);
622	DECLASM(int) vmmGCTestTrap0d(void);
623	DECLASM(int) vmmGCTestTrap0e(void);
624	DECLASM(int) vmmGCTestTrap0e_FaultEIP(void); /*< a label /
625	DECLASM(int) vmmGCTestTrap0e_ResumeEIP(void); /*< a label /
626	/** @} */
627
628	#endif /* IN_RC */
629
630	RT_C_DECLS_END
631
632	/** @} */
633
634	#endif

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source: vbox/trunk/src/VBox/VMM/VMMInternal.h@ 31302

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