VMMR0.cpp@ 15144

Last change on this file since 15144 was 14899, checked in by vboxsync, 16 years ago
Wrote testcase for the new switcher.
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File size: 39.7 KB

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1	/* $Id: VMMR0.cpp 14899 2008-12-02 12:39:34Z vboxsync $ */
2	/** @file
3	* VMM - Host Context Ring 0.
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_VMM
26	#include <VBox/vmm.h>
27	#include <VBox/sup.h>
28	#include <VBox/trpm.h>
29	#include <VBox/cpum.h>
30	#include <VBox/pgm.h>
31	#include <VBox/stam.h>
32	#include <VBox/tm.h>
33	#include "VMMInternal.h"
34	#include <VBox/vm.h>
35	#include <VBox/gvmm.h>
36	#include <VBox/gmm.h>
37	#include <VBox/intnet.h>
38	#include <VBox/hwaccm.h>
39	#include <VBox/param.h>
40
41	#include <VBox/err.h>
42	#include <VBox/version.h>
43	#include <VBox/log.h>
44	#include <iprt/assert.h>
45	#include <iprt/stdarg.h>
46	#include <iprt/mp.h>
47	#include <iprt/string.h>
48
49	#if defined(_MSC_VER) && defined(RT_ARCH_AMD64) /** @todo check this with with VC7! */
50	# pragma intrinsic(_AddressOfReturnAddress)
51	#endif
52
53
54	/*******************************************************************************
55	* Internal Functions *
56	*******************************************************************************/
57	__BEGIN_DECLS
58	VMMR0DECL(int) ModuleInit(void);
59	VMMR0DECL(void) ModuleTerm(void);
60	__END_DECLS
61
62
63	/*******************************************************************************
64	* Global Variables *
65	*******************************************************************************/
66	/** Pointer to the internal networking service instance. */
67	PINTNET g_pIntNet = 0;
68
69
70	/**
71	* Initialize the module.
72	* This is called when we're first loaded.
73	*
74	* @returns 0 on success.
75	* @returns VBox status on failure.
76	*/
77	VMMR0DECL(int) ModuleInit(void)
78	{
79	LogFlow(("ModuleInit:\n"));
80
81	/*
82	* Initialize the GVMM, GMM, HWACCM, PGM (Darwin) and INTNET.
83	*/
84	int rc = GVMMR0Init();
85	if (RT_SUCCESS(rc))
86	{
87	rc = GMMR0Init();
88	if (RT_SUCCESS(rc))
89	{
90	rc = HWACCMR0Init();
91	if (RT_SUCCESS(rc))
92	{
93	#ifdef VBOX_WITH_2X_4GB_ADDR_SPACE
94	rc = PGMR0DynMapInit();
95	#endif
96	if (RT_SUCCESS(rc))
97	{
98	LogFlow(("ModuleInit: g_pIntNet=%p\n", g_pIntNet));
99	g_pIntNet = NULL;
100	LogFlow(("ModuleInit: g_pIntNet=%p should be NULL now...\n", g_pIntNet));
101	rc = INTNETR0Create(&g_pIntNet);
102	if (RT_SUCCESS(rc))
103	{
104	LogFlow(("ModuleInit: returns success. g_pIntNet=%p\n", g_pIntNet));
105	return VINF_SUCCESS;
106	}
107
108	/* bail out */
109	g_pIntNet = NULL;
110	LogFlow(("ModuleTerm: returns %Rrc\n", rc));
111	#ifdef VBOX_WITH_2X_4GB_ADDR_SPACE
112	PGMR0DynMapTerm();
113	#endif
114	}
115	HWACCMR0Term();
116	}
117	GMMR0Term();
118	}
119	GVMMR0Term();
120	}
121
122	LogFlow(("ModuleInit: failed %Rrc\n", rc));
123	return rc;
124	}
125
126
127	/**
128	* Terminate the module.
129	* This is called when we're finally unloaded.
130	*/
131	VMMR0DECL(void) ModuleTerm(void)
132	{
133	LogFlow(("ModuleTerm:\n"));
134
135	/*
136	* Destroy the internal networking instance.
137	*/
138	if (g_pIntNet)
139	{
140	INTNETR0Destroy(g_pIntNet);
141	g_pIntNet = NULL;
142	}
143
144	/*
145	* PGM (Darwin) and HWACCM global cleanup.
146	* Destroy the GMM and GVMM instances.
147	*/
148	#ifdef VBOX_WITH_2X_4GB_ADDR_SPACE
149	PGMR0DynMapTerm();
150	#endif
151	HWACCMR0Term();
152
153	GMMR0Term();
154	GVMMR0Term();
155
156	LogFlow(("ModuleTerm: returns\n"));
157	}
158
159
160	/**
161	* Initaties the R0 driver for a particular VM instance.
162	*
163	* @returns VBox status code.
164	*
165	* @param pVM The VM instance in question.
166	* @param uSvnRev The SVN revision of the ring-3 part.
167	* @thread EMT.
168	*/
169	static int vmmR0InitVM(PVM pVM, uint32_t uSvnRev)
170	{
171	/*
172	* Match the SVN revisions.
173	*/
174	if (uSvnRev != VMMGetSvnRev())
175	return VERR_VERSION_MISMATCH;
176	if ( !VALID_PTR(pVM)
177	\|\| pVM->pVMR0 != pVM)
178	return VERR_INVALID_PARAMETER;
179
180	/*
181	* Register the EMT R0 logger instance.
182	*/
183	PVMMR0LOGGER pR0Logger = pVM->vmm.s.pR0LoggerR0;
184	if (pR0Logger)
185	{
186	#if 0 /* testing of the logger. */
187	LogCom(("vmmR0InitVM: before %p\n", RTLogDefaultInstance()));
188	LogCom(("vmmR0InitVM: pfnFlush=%p actual=%p\n", pR0Logger->Logger.pfnFlush, vmmR0LoggerFlush));
189	LogCom(("vmmR0InitVM: pfnLogger=%p actual=%p\n", pR0Logger->Logger.pfnLogger, vmmR0LoggerWrapper));
190	LogCom(("vmmR0InitVM: offScratch=%d fFlags=%#x fDestFlags=%#x\n", pR0Logger->Logger.offScratch, pR0Logger->Logger.fFlags, pR0Logger->Logger.fDestFlags));
191
192	RTLogSetDefaultInstanceThread(&pR0Logger->Logger, (uintptr_t)pVM->pSession);
193	LogCom(("vmmR0InitVM: after %p reg\n", RTLogDefaultInstance()));
194	RTLogSetDefaultInstanceThread(NULL, 0);
195	LogCom(("vmmR0InitVM: after %p dereg\n", RTLogDefaultInstance()));
196
197	pR0Logger->Logger.pfnLogger("hello ring-0 logger\n");
198	LogCom(("vmmR0InitVM: returned succesfully from direct logger call.\n"));
199	pR0Logger->Logger.pfnFlush(&pR0Logger->Logger);
200	LogCom(("vmmR0InitVM: returned succesfully from direct flush call.\n"));
201
202	RTLogSetDefaultInstanceThread(&pR0Logger->Logger, (uintptr_t)pVM->pSession);
203	LogCom(("vmmR0InitVM: after %p reg2\n", RTLogDefaultInstance()));
204	pR0Logger->Logger.pfnLogger("hello ring-0 logger\n");
205	LogCom(("vmmR0InitVM: returned succesfully from direct logger call (2). offScratch=%d\n", pR0Logger->Logger.offScratch));
206	RTLogSetDefaultInstanceThread(NULL, 0);
207	LogCom(("vmmR0InitVM: after %p dereg2\n", RTLogDefaultInstance()));
208
209	RTLogLoggerEx(&pR0Logger->Logger, 0, ~0U, "hello ring-0 logger (RTLogLoggerEx)\n");
210	LogCom(("vmmR0InitVM: RTLogLoggerEx returned fine offScratch=%d\n", pR0Logger->Logger.offScratch));
211
212	RTLogSetDefaultInstanceThread(&pR0Logger->Logger, (uintptr_t)pVM->pSession);
213	RTLogPrintf("hello ring-0 logger (RTLogPrintf)\n");
214	LogCom(("vmmR0InitVM: RTLogPrintf returned fine offScratch=%d\n", pR0Logger->Logger.offScratch));
215	#endif
216	Log(("Switching to per-thread logging instance %p (key=%p)\n", &pR0Logger->Logger, pVM->pSession));
217	RTLogSetDefaultInstanceThread(&pR0Logger->Logger, (uintptr_t)pVM->pSession);
218	}
219
220	/*
221	* Initialize the per VM data for GVMM and GMM.
222	*/
223	int rc = GVMMR0InitVM(pVM);
224	// if (RT_SUCCESS(rc))
225	// rc = GMMR0InitPerVMData(pVM);
226	if (RT_SUCCESS(rc))
227	{
228	/*
229	* Init HWACCM, CPUM and PGM (Darwin only).
230	*/
231	rc = HWACCMR0InitVM(pVM);
232	if (RT_SUCCESS(rc))
233	{
234	rc = CPUMR0Init(pVM); /** @todo rename to CPUMR0InitVM */
235	if (RT_SUCCESS(rc))
236	{
237	#ifdef VBOX_WITH_2X_4GB_ADDR_SPACE
238	rc = PGMR0DynMapInitVM(pVM);
239	#endif
240	if (RT_SUCCESS(rc))
241	{
242	GVMMR0DoneInitVM(pVM);
243	return rc;
244	}
245
246	/* bail out */
247	}
248	HWACCMR0TermVM(pVM);
249	}
250	}
251	RTLogSetDefaultInstanceThread(NULL, 0);
252	return rc;
253	}
254
255
256	/**
257	* Terminates the R0 driver for a particular VM instance.
258	*
259	* This is normally called by ring-3 as part of the VM termination process, but
260	* may alternatively be called during the support driver session cleanup when
261	* the VM object is destroyed (see GVMM).
262	*
263	* @returns VBox status code.
264	*
265	* @param pVM The VM instance in question.
266	* @param pGVM Pointer to the global VM structure. Optional.
267	* @thread EMT or session clean up thread.
268	*/
269	VMMR0DECL(int) VMMR0TermVM(PVM pVM, PGVM pGVM)
270	{
271	/*
272	* Tell GVMM what we're up to and check that we only do this once.
273	*/
274	if (GVMMR0DoingTermVM(pVM, pGVM))
275	{
276	#ifdef VBOX_WITH_2X_4GB_ADDR_SPACE
277	PGMR0DynMapTermVM(pVM);
278	#endif
279	HWACCMR0TermVM(pVM);
280	}
281
282	/*
283	* Deregister the logger.
284	*/
285	RTLogSetDefaultInstanceThread(NULL, 0);
286	return VINF_SUCCESS;
287	}
288
289
290	/**
291	* Calls the ring-3 host code.
292	*
293	* @returns VBox status code of the ring-3 call.
294	* @param pVM The VM handle.
295	* @param enmOperation The operation.
296	* @param uArg The argument to the operation.
297	*/
298	VMMR0DECL(int) VMMR0CallHost(PVM pVM, VMMCALLHOST enmOperation, uint64_t uArg)
299	{
300	/** @todo profile this! */
301	pVM->vmm.s.enmCallHostOperation = enmOperation;
302	pVM->vmm.s.u64CallHostArg = uArg;
303	pVM->vmm.s.rcCallHost = VERR_INTERNAL_ERROR;
304	int rc = vmmR0CallHostLongJmp(&pVM->vmm.s.CallHostR0JmpBuf, VINF_VMM_CALL_HOST);
305	if (rc == VINF_SUCCESS)
306	rc = pVM->vmm.s.rcCallHost;
307	return rc;
308	}
309
310
311	#ifdef VBOX_WITH_STATISTICS
312	/**
313	* Record return code statistics
314	* @param pVM The VM handle.
315	* @param rc The status code.
316	*/
317	static void vmmR0RecordRC(PVM pVM, int rc)
318	{
319	/*
320	* Collect statistics.
321	*/
322	switch (rc)
323	{
324	case VINF_SUCCESS:
325	STAM_COUNTER_INC(&pVM->vmm.s.StatRZRetNormal);
326	break;
327	case VINF_EM_RAW_INTERRUPT:
328	STAM_COUNTER_INC(&pVM->vmm.s.StatRZRetInterrupt);
329	break;
330	case VINF_EM_RAW_INTERRUPT_HYPER:
331	STAM_COUNTER_INC(&pVM->vmm.s.StatRZRetInterruptHyper);
332	break;
333	case VINF_EM_RAW_GUEST_TRAP:
334	STAM_COUNTER_INC(&pVM->vmm.s.StatRZRetGuestTrap);
335	break;
336	case VINF_EM_RAW_RING_SWITCH:
337	STAM_COUNTER_INC(&pVM->vmm.s.StatRZRetRingSwitch);
338	break;
339	case VINF_EM_RAW_RING_SWITCH_INT:
340	STAM_COUNTER_INC(&pVM->vmm.s.StatRZRetRingSwitchInt);
341	break;
342	case VINF_EM_RAW_EXCEPTION_PRIVILEGED:
343	STAM_COUNTER_INC(&pVM->vmm.s.StatRZRetExceptionPrivilege);
344	break;
345	case VINF_EM_RAW_STALE_SELECTOR:
346	STAM_COUNTER_INC(&pVM->vmm.s.StatRZRetStaleSelector);
347	break;
348	case VINF_EM_RAW_IRET_TRAP:
349	STAM_COUNTER_INC(&pVM->vmm.s.StatRZRetIRETTrap);
350	break;
351	case VINF_IOM_HC_IOPORT_READ:
352	STAM_COUNTER_INC(&pVM->vmm.s.StatRZRetIORead);
353	break;
354	case VINF_IOM_HC_IOPORT_WRITE:
355	STAM_COUNTER_INC(&pVM->vmm.s.StatRZRetIOWrite);
356	break;
357	case VINF_IOM_HC_MMIO_READ:
358	STAM_COUNTER_INC(&pVM->vmm.s.StatRZRetMMIORead);
359	break;
360	case VINF_IOM_HC_MMIO_WRITE:
361	STAM_COUNTER_INC(&pVM->vmm.s.StatRZRetMMIOWrite);
362	break;
363	case VINF_IOM_HC_MMIO_READ_WRITE:
364	STAM_COUNTER_INC(&pVM->vmm.s.StatRZRetMMIOReadWrite);
365	break;
366	case VINF_PATM_HC_MMIO_PATCH_READ:
367	STAM_COUNTER_INC(&pVM->vmm.s.StatRZRetMMIOPatchRead);
368	break;
369	case VINF_PATM_HC_MMIO_PATCH_WRITE:
370	STAM_COUNTER_INC(&pVM->vmm.s.StatRZRetMMIOPatchWrite);
371	break;
372	case VINF_EM_RAW_EMULATE_INSTR:
373	STAM_COUNTER_INC(&pVM->vmm.s.StatRZRetEmulate);
374	break;
375	case VINF_PATCH_EMULATE_INSTR:
376	STAM_COUNTER_INC(&pVM->vmm.s.StatRZRetPatchEmulate);
377	break;
378	case VINF_EM_RAW_EMULATE_INSTR_LDT_FAULT:
379	STAM_COUNTER_INC(&pVM->vmm.s.StatRZRetLDTFault);
380	break;
381	case VINF_EM_RAW_EMULATE_INSTR_GDT_FAULT:
382	STAM_COUNTER_INC(&pVM->vmm.s.StatRZRetGDTFault);
383	break;
384	case VINF_EM_RAW_EMULATE_INSTR_IDT_FAULT:
385	STAM_COUNTER_INC(&pVM->vmm.s.StatRZRetIDTFault);
386	break;
387	case VINF_EM_RAW_EMULATE_INSTR_TSS_FAULT:
388	STAM_COUNTER_INC(&pVM->vmm.s.StatRZRetTSSFault);
389	break;
390	case VINF_EM_RAW_EMULATE_INSTR_PD_FAULT:
391	STAM_COUNTER_INC(&pVM->vmm.s.StatRZRetPDFault);
392	break;
393	case VINF_CSAM_PENDING_ACTION:
394	STAM_COUNTER_INC(&pVM->vmm.s.StatRZRetCSAMTask);
395	break;
396	case VINF_PGM_SYNC_CR3:
397	STAM_COUNTER_INC(&pVM->vmm.s.StatRZRetSyncCR3);
398	break;
399	case VINF_PATM_PATCH_INT3:
400	STAM_COUNTER_INC(&pVM->vmm.s.StatRZRetPatchInt3);
401	break;
402	case VINF_PATM_PATCH_TRAP_PF:
403	STAM_COUNTER_INC(&pVM->vmm.s.StatRZRetPatchPF);
404	break;
405	case VINF_PATM_PATCH_TRAP_GP:
406	STAM_COUNTER_INC(&pVM->vmm.s.StatRZRetPatchGP);
407	break;
408	case VINF_PATM_PENDING_IRQ_AFTER_IRET:
409	STAM_COUNTER_INC(&pVM->vmm.s.StatRZRetPatchIretIRQ);
410	break;
411	case VERR_REM_FLUSHED_PAGES_OVERFLOW:
412	STAM_COUNTER_INC(&pVM->vmm.s.StatRZRetPageOverflow);
413	break;
414	case VINF_EM_RESCHEDULE_REM:
415	STAM_COUNTER_INC(&pVM->vmm.s.StatRZRetRescheduleREM);
416	break;
417	case VINF_EM_RAW_TO_R3:
418	STAM_COUNTER_INC(&pVM->vmm.s.StatRZRetToR3);
419	break;
420	case VINF_EM_RAW_TIMER_PENDING:
421	STAM_COUNTER_INC(&pVM->vmm.s.StatRZRetTimerPending);
422	break;
423	case VINF_EM_RAW_INTERRUPT_PENDING:
424	STAM_COUNTER_INC(&pVM->vmm.s.StatRZRetInterruptPending);
425	break;
426	case VINF_VMM_CALL_HOST:
427	switch (pVM->vmm.s.enmCallHostOperation)
428	{
429	case VMMCALLHOST_PDM_LOCK:
430	STAM_COUNTER_INC(&pVM->vmm.s.StatRZCallPDMLock);
431	break;
432	case VMMCALLHOST_PDM_QUEUE_FLUSH:
433	STAM_COUNTER_INC(&pVM->vmm.s.StatRZCallPDMQueueFlush);
434	break;
435	case VMMCALLHOST_PGM_POOL_GROW:
436	STAM_COUNTER_INC(&pVM->vmm.s.StatRZCallPGMPoolGrow);
437	break;
438	case VMMCALLHOST_PGM_LOCK:
439	STAM_COUNTER_INC(&pVM->vmm.s.StatRZCallPGMLock);
440	break;
441	case VMMCALLHOST_PGM_MAP_CHUNK:
442	STAM_COUNTER_INC(&pVM->vmm.s.StatRZCallPGMMapChunk);
443	break;
444	case VMMCALLHOST_PGM_ALLOCATE_HANDY_PAGES:
445	STAM_COUNTER_INC(&pVM->vmm.s.StatRZCallPGMAllocHandy);
446	break;
447	#ifndef VBOX_WITH_NEW_PHYS_CODE
448	case VMMCALLHOST_PGM_RAM_GROW_RANGE:
449	STAM_COUNTER_INC(&pVM->vmm.s.StatRZCallPGMGrowRAM);
450	break;
451	#endif
452	case VMMCALLHOST_REM_REPLAY_HANDLER_NOTIFICATIONS:
453	STAM_COUNTER_INC(&pVM->vmm.s.StatRZCallRemReplay);
454	break;
455	case VMMCALLHOST_VMM_LOGGER_FLUSH:
456	STAM_COUNTER_INC(&pVM->vmm.s.StatRZCallLogFlush);
457	break;
458	case VMMCALLHOST_VM_SET_ERROR:
459	STAM_COUNTER_INC(&pVM->vmm.s.StatRZCallVMSetError);
460	break;
461	case VMMCALLHOST_VM_SET_RUNTIME_ERROR:
462	STAM_COUNTER_INC(&pVM->vmm.s.StatRZCallVMSetRuntimeError);
463	break;
464	case VMMCALLHOST_VM_R0_ASSERTION:
465	default:
466	STAM_COUNTER_INC(&pVM->vmm.s.StatRZRetCallHost);
467	break;
468	}
469	break;
470	case VINF_PATM_DUPLICATE_FUNCTION:
471	STAM_COUNTER_INC(&pVM->vmm.s.StatRZRetPATMDuplicateFn);
472	break;
473	case VINF_PGM_CHANGE_MODE:
474	STAM_COUNTER_INC(&pVM->vmm.s.StatRZRetPGMChangeMode);
475	break;
476	case VINF_EM_RAW_EMULATE_INSTR_HLT:
477	STAM_COUNTER_INC(&pVM->vmm.s.StatRZRetEmulHlt);
478	break;
479	case VINF_EM_PENDING_REQUEST:
480	STAM_COUNTER_INC(&pVM->vmm.s.StatRZRetPendingRequest);
481	break;
482	default:
483	STAM_COUNTER_INC(&pVM->vmm.s.StatRZRetMisc);
484	break;
485	}
486	}
487	#endif /* VBOX_WITH_STATISTICS */
488
489
490	/**
491	* Unused ring-0 entry point that used to be called from the interrupt gate.
492	*
493	* Will be removed one of the next times we do a major SUPDrv version bump.
494	*
495	* @returns VBox status code.
496	* @param pVM The VM to operate on.
497	* @param enmOperation Which operation to execute.
498	* @param pvArg Argument to the operation.
499	* @remarks Assume called with interrupts disabled.
500	*/
501	VMMR0DECL(int) VMMR0EntryInt(PVM pVM, VMMR0OPERATION enmOperation, void *pvArg)
502	{
503	switch (enmOperation)
504	{
505	default:
506	/*
507	* We're returning VERR_NOT_SUPPORT here so we've got something else
508	* than -1 which the interrupt gate glue code might return.
509	*/
510	Log(("operation %#x is not supported\n", enmOperation));
511	return VERR_NOT_SUPPORTED;
512	}
513	}
514
515
516	/**
517	* The Ring 0 entry point, called by the fast-ioctl path.
518	*
519	* @param pVM The VM to operate on.
520	* The return code is stored in pVM->vmm.s.iLastGZRc.
521	* @param idCpu VMCPU id.
522	* @param enmOperation Which operation to execute.
523	* @remarks Assume called with interrupts _enabled_.
524	*/
525	VMMR0DECL(void) VMMR0EntryFast(PVM pVM, unsigned idCpu, VMMR0OPERATION enmOperation)
526	{
527	if (RT_UNLIKELY(idCpu >= pVM->cCPUs))
528	{
529	pVM->vmm.s.iLastGZRc = VERR_INVALID_PARAMETER;
530	return;
531	}
532
533	switch (enmOperation)
534	{
535	/*
536	* Switch to GC and run guest raw mode code.
537	* Disable interrupts before doing the world switch.
538	*/
539	case VMMR0_DO_RAW_RUN:
540	{
541	/* Safety precaution as hwaccm disables the switcher. */
542	if (RT_LIKELY(!pVM->vmm.s.fSwitcherDisabled))
543	{
544	RTCCUINTREG uFlags = ASMIntDisableFlags();
545
546	TMNotifyStartOfExecution(pVM);
547	int rc = pVM->vmm.s.pfnHostToGuestR0(pVM);
548	pVM->vmm.s.iLastGZRc = rc;
549	TMNotifyEndOfExecution(pVM);
550
551	if ( rc == VINF_EM_RAW_INTERRUPT
552	\|\| rc == VINF_EM_RAW_INTERRUPT_HYPER)
553	TRPMR0DispatchHostInterrupt(pVM);
554
555	ASMSetFlags(uFlags);
556
557	#ifdef VBOX_WITH_STATISTICS
558	STAM_COUNTER_INC(&pVM->vmm.s.StatRunRC);
559	vmmR0RecordRC(pVM, rc);
560	#endif
561	}
562	else
563	{
564	Assert(!pVM->vmm.s.fSwitcherDisabled);
565	pVM->vmm.s.iLastGZRc = VERR_NOT_SUPPORTED;
566	}
567	break;
568	}
569
570	/*
571	* Run guest code using the available hardware acceleration technology.
572	*
573	* Disable interrupts before we do anything interesting. On Windows we avoid
574	* this by having the support driver raise the IRQL before calling us, this way
575	* we hope to get away with page faults and later calling into the kernel.
576	*/
577	case VMMR0_DO_HWACC_RUN:
578	{
579	int rc;
580	PVMCPU pVCpu = &pVM->aCpus[idCpu];
581
582	STAM_COUNTER_INC(&pVM->vmm.s.StatRunRC);
583
584	#ifndef RT_OS_WINDOWS /** @todo check other hosts */
585	RTCCUINTREG uFlags = ASMIntDisableFlags();
586	#endif
587	if (!HWACCMR0SuspendPending())
588	{
589	rc = HWACCMR0Enter(pVM, pVCpu);
590	if (RT_SUCCESS(rc))
591	{
592	rc = vmmR0CallHostSetJmp(&pVM->vmm.s.CallHostR0JmpBuf, HWACCMR0RunGuestCode, pVM, pVCpu); /* this may resume code. */
593	int rc2 = HWACCMR0Leave(pVM, pVCpu);
594	AssertRC(rc2);
595	}
596	}
597	else
598	{
599	/* System is about to go into suspend mode; go back to ring 3. */
600	rc = VINF_EM_RAW_INTERRUPT;
601	}
602	pVM->vmm.s.iLastGZRc = rc;
603	#ifndef RT_OS_WINDOWS /** @todo check other hosts */
604	ASMSetFlags(uFlags);
605	#endif
606
607	#ifdef VBOX_WITH_STATISTICS
608	vmmR0RecordRC(pVM, rc);
609	#endif
610	/* No special action required for external interrupts, just return. */
611	break;
612	}
613
614	/*
615	* For profiling.
616	*/
617	case VMMR0_DO_NOP:
618	pVM->vmm.s.iLastGZRc = VINF_SUCCESS;
619	break;
620
621	/*
622	* Impossible.
623	*/
624	default:
625	AssertMsgFailed(("%#x\n", enmOperation));
626	pVM->vmm.s.iLastGZRc = VERR_NOT_SUPPORTED;
627	break;
628	}
629	}
630
631
632	/**
633	* Validates a session or VM session argument.
634	*
635	* @returns true / false accordingly.
636	* @param pVM The VM argument.
637	* @param pSession The session argument.
638	*/
639	DECLINLINE(bool) vmmR0IsValidSession(PVM pVM, PSUPDRVSESSION pClaimedSession, PSUPDRVSESSION pSession)
640	{
641	/* This must be set! */
642	if (!pSession)
643	return false;
644
645	/* Only one out of the two. */
646	if (pVM && pClaimedSession)
647	return false;
648	if (pVM)
649	pClaimedSession = pVM->pSession;
650	return pClaimedSession == pSession;
651	}
652
653
654	/**
655	* VMMR0EntryEx worker function, either called directly or when ever possible
656	* called thru a longjmp so we can exit safely on failure.
657	*
658	* @returns VBox status code.
659	* @param pVM The VM to operate on.
660	* @param enmOperation Which operation to execute.
661	* @param pReqHdr This points to a SUPVMMR0REQHDR packet. Optional.
662	* The support driver validates this if it's present.
663	* @param u64Arg Some simple constant argument.
664	* @param pSession The session of the caller.
665	* @remarks Assume called with interrupts _enabled_.
666	*/
667	static int vmmR0EntryExWorker(PVM pVM, VMMR0OPERATION enmOperation, PSUPVMMR0REQHDR pReqHdr, uint64_t u64Arg, PSUPDRVSESSION pSession)
668	{
669	/*
670	* Common VM pointer validation.
671	*/
672	if (pVM)
673	{
674	if (RT_UNLIKELY( !VALID_PTR(pVM)
675	\|\| ((uintptr_t)pVM & PAGE_OFFSET_MASK)))
676	{
677	SUPR0Printf("vmmR0EntryExWorker: Invalid pVM=%p! (op=%d)\n", pVM, enmOperation);
678	return VERR_INVALID_POINTER;
679	}
680	if (RT_UNLIKELY( pVM->enmVMState < VMSTATE_CREATING
681	\|\| pVM->enmVMState > VMSTATE_TERMINATED
682	\|\| pVM->pVMR0 != pVM))
683	{
684	SUPR0Printf("vmmR0EntryExWorker: Invalid pVM=%p:{enmVMState=%d, .pVMR0=%p}! (op=%d)\n",
685	pVM, pVM->enmVMState, pVM->pVMR0, enmOperation);
686	return VERR_INVALID_POINTER;
687	}
688	}
689
690	switch (enmOperation)
691	{
692	/*
693	* GVM requests
694	*/
695	case VMMR0_DO_GVMM_CREATE_VM:
696	if (pVM \|\| u64Arg)
697	return VERR_INVALID_PARAMETER;
698	return GVMMR0CreateVMReq((PGVMMCREATEVMREQ)pReqHdr);
699
700	case VMMR0_DO_GVMM_DESTROY_VM:
701	if (pReqHdr \|\| u64Arg)
702	return VERR_INVALID_PARAMETER;
703	return GVMMR0DestroyVM(pVM);
704
705	case VMMR0_DO_GVMM_SCHED_HALT:
706	if (pReqHdr)
707	return VERR_INVALID_PARAMETER;
708	return GVMMR0SchedHalt(pVM, u64Arg);
709
710	case VMMR0_DO_GVMM_SCHED_WAKE_UP:
711	if (pReqHdr \|\| u64Arg)
712	return VERR_INVALID_PARAMETER;
713	return GVMMR0SchedWakeUp(pVM);
714
715	case VMMR0_DO_GVMM_SCHED_POLL:
716	if (pReqHdr \|\| u64Arg > 1)
717	return VERR_INVALID_PARAMETER;
718	return GVMMR0SchedPoll(pVM, !!u64Arg);
719
720	case VMMR0_DO_GVMM_QUERY_STATISTICS:
721	if (u64Arg)
722	return VERR_INVALID_PARAMETER;
723	return GVMMR0QueryStatisticsReq(pVM, (PGVMMQUERYSTATISTICSSREQ)pReqHdr);
724
725	case VMMR0_DO_GVMM_RESET_STATISTICS:
726	if (u64Arg)
727	return VERR_INVALID_PARAMETER;
728	return GVMMR0ResetStatisticsReq(pVM, (PGVMMRESETSTATISTICSSREQ)pReqHdr);
729
730	/*
731	* Initialize the R0 part of a VM instance.
732	*/
733	case VMMR0_DO_VMMR0_INIT:
734	return vmmR0InitVM(pVM, (uint32_t)u64Arg);
735
736	/*
737	* Terminate the R0 part of a VM instance.
738	*/
739	case VMMR0_DO_VMMR0_TERM:
740	return VMMR0TermVM(pVM, NULL);
741
742	/*
743	* Attempt to enable hwacc mode and check the current setting.
744	*
745	*/
746	case VMMR0_DO_HWACC_ENABLE:
747	return HWACCMR0EnableAllCpus(pVM, (HWACCMSTATE)u64Arg);
748
749	/*
750	* Setup the hardware accelerated raw-mode session.
751	*/
752	case VMMR0_DO_HWACC_SETUP_VM:
753	{
754	RTCCUINTREG fFlags = ASMIntDisableFlags();
755	int rc = HWACCMR0SetupVM(pVM);
756	ASMSetFlags(fFlags);
757	return rc;
758	}
759
760	/*
761	* Switch to GC to execute Hypervisor function.
762	*/
763	case VMMR0_DO_CALL_HYPERVISOR:
764	{
765	/* Safety precaution as HWACCM can disable the switcher. */
766	Assert(!pVM->vmm.s.fSwitcherDisabled);
767	if (RT_UNLIKELY(pVM->vmm.s.fSwitcherDisabled))
768	return VERR_NOT_SUPPORTED;
769
770	RTCCUINTREG fFlags = ASMIntDisableFlags();
771	int rc = pVM->vmm.s.pfnHostToGuestR0(pVM);
772	/** @todo dispatch interrupts? */
773	ASMSetFlags(fFlags);
774	return rc;
775	}
776
777	/*
778	* PGM wrappers.
779	*/
780	case VMMR0_DO_PGM_ALLOCATE_HANDY_PAGES:
781	return PGMR0PhysAllocateHandyPages(pVM);
782
783	/*
784	* GMM wrappers.
785	*/
786	case VMMR0_DO_GMM_INITIAL_RESERVATION:
787	if (u64Arg)
788	return VERR_INVALID_PARAMETER;
789	return GMMR0InitialReservationReq(pVM, (PGMMINITIALRESERVATIONREQ)pReqHdr);
790	case VMMR0_DO_GMM_UPDATE_RESERVATION:
791	if (u64Arg)
792	return VERR_INVALID_PARAMETER;
793	return GMMR0UpdateReservationReq(pVM, (PGMMUPDATERESERVATIONREQ)pReqHdr);
794
795	case VMMR0_DO_GMM_ALLOCATE_PAGES:
796	if (u64Arg)
797	return VERR_INVALID_PARAMETER;
798	return GMMR0AllocatePagesReq(pVM, (PGMMALLOCATEPAGESREQ)pReqHdr);
799	case VMMR0_DO_GMM_FREE_PAGES:
800	if (u64Arg)
801	return VERR_INVALID_PARAMETER;
802	return GMMR0FreePagesReq(pVM, (PGMMFREEPAGESREQ)pReqHdr);
803	case VMMR0_DO_GMM_BALLOONED_PAGES:
804	if (u64Arg)
805	return VERR_INVALID_PARAMETER;
806	return GMMR0BalloonedPagesReq(pVM, (PGMMBALLOONEDPAGESREQ)pReqHdr);
807	case VMMR0_DO_GMM_DEFLATED_BALLOON:
808	if (pReqHdr)
809	return VERR_INVALID_PARAMETER;
810	return GMMR0DeflatedBalloon(pVM, (uint32_t)u64Arg);
811
812	case VMMR0_DO_GMM_MAP_UNMAP_CHUNK:
813	if (u64Arg)
814	return VERR_INVALID_PARAMETER;
815	return GMMR0MapUnmapChunkReq(pVM, (PGMMMAPUNMAPCHUNKREQ)pReqHdr);
816	case VMMR0_DO_GMM_SEED_CHUNK:
817	if (pReqHdr)
818	return VERR_INVALID_PARAMETER;
819	return GMMR0SeedChunk(pVM, (RTR3PTR)u64Arg);
820
821	/*
822	* A quick GCFGM mock-up.
823	*/
824	/** @todo GCFGM with proper access control, ring-3 management interface and all that. */
825	case VMMR0_DO_GCFGM_SET_VALUE:
826	case VMMR0_DO_GCFGM_QUERY_VALUE:
827	{
828	if (pVM \|\| !pReqHdr \|\| u64Arg)
829	return VERR_INVALID_PARAMETER;
830	PGCFGMVALUEREQ pReq = (PGCFGMVALUEREQ)pReqHdr;
831	if (pReq->Hdr.cbReq != sizeof(*pReq))
832	return VERR_INVALID_PARAMETER;
833	int rc;
834	if (enmOperation == VMMR0_DO_GCFGM_SET_VALUE)
835	{
836	rc = GVMMR0SetConfig(pReq->pSession, &pReq->szName[0], pReq->u64Value);
837	//if (rc == VERR_CFGM_VALUE_NOT_FOUND)
838	// rc = GMMR0SetConfig(pReq->pSession, &pReq->szName[0], pReq->u64Value);
839	}
840	else
841	{
842	rc = GVMMR0QueryConfig(pReq->pSession, &pReq->szName[0], &pReq->u64Value);
843	//if (rc == VERR_CFGM_VALUE_NOT_FOUND)
844	// rc = GMMR0QueryConfig(pReq->pSession, &pReq->szName[0], &pReq->u64Value);
845	}
846	return rc;
847	}
848
849
850	/*
851	* Requests to the internal networking service.
852	*/
853	case VMMR0_DO_INTNET_OPEN:
854	{
855	PINTNETOPENREQ pReq = (PINTNETOPENREQ)pReqHdr;
856	if (u64Arg \|\| !pReq \|\| !vmmR0IsValidSession(pVM, pReq->pSession, pSession))
857	return VERR_INVALID_PARAMETER;
858	if (!g_pIntNet)
859	return VERR_NOT_SUPPORTED;
860	return INTNETR0OpenReq(g_pIntNet, pSession, pReq);
861	}
862
863	case VMMR0_DO_INTNET_IF_CLOSE:
864	if (u64Arg \|\| !pReqHdr \|\| !vmmR0IsValidSession(pVM, ((PINTNETIFCLOSEREQ)pReqHdr)->pSession, pSession))
865	return VERR_INVALID_PARAMETER;
866	if (!g_pIntNet)
867	return VERR_NOT_SUPPORTED;
868	return INTNETR0IfCloseReq(g_pIntNet, pSession, (PINTNETIFCLOSEREQ)pReqHdr);
869
870	case VMMR0_DO_INTNET_IF_GET_RING3_BUFFER:
871	if (u64Arg \|\| !pReqHdr \|\| !vmmR0IsValidSession(pVM, ((PINTNETIFGETRING3BUFFERREQ)pReqHdr)->pSession, pSession))
872	return VERR_INVALID_PARAMETER;
873	if (!g_pIntNet)
874	return VERR_NOT_SUPPORTED;
875	return INTNETR0IfGetRing3BufferReq(g_pIntNet, pSession, (PINTNETIFGETRING3BUFFERREQ)pReqHdr);
876
877	case VMMR0_DO_INTNET_IF_SET_PROMISCUOUS_MODE:
878	if (u64Arg \|\| !pReqHdr \|\| !vmmR0IsValidSession(pVM, ((PINTNETIFSETPROMISCUOUSMODEREQ)pReqHdr)->pSession, pSession))
879	return VERR_INVALID_PARAMETER;
880	if (!g_pIntNet)
881	return VERR_NOT_SUPPORTED;
882	return INTNETR0IfSetPromiscuousModeReq(g_pIntNet, pSession, (PINTNETIFSETPROMISCUOUSMODEREQ)pReqHdr);
883
884	case VMMR0_DO_INTNET_IF_SET_MAC_ADDRESS:
885	if (u64Arg \|\| !pReqHdr \|\| !vmmR0IsValidSession(pVM, ((PINTNETIFSETMACADDRESSREQ)pReqHdr)->pSession, pSession))
886	return VERR_INVALID_PARAMETER;
887	if (!g_pIntNet)
888	return VERR_NOT_SUPPORTED;
889	return INTNETR0IfSetMacAddressReq(g_pIntNet, pSession, (PINTNETIFSETMACADDRESSREQ)pReqHdr);
890
891	case VMMR0_DO_INTNET_IF_SET_ACTIVE:
892	if (u64Arg \|\| !pReqHdr \|\| !vmmR0IsValidSession(pVM, ((PINTNETIFSETACTIVEREQ)pReqHdr)->pSession, pSession))
893	return VERR_INVALID_PARAMETER;
894	if (!g_pIntNet)
895	return VERR_NOT_SUPPORTED;
896	return INTNETR0IfSetActiveReq(g_pIntNet, pSession, (PINTNETIFSETACTIVEREQ)pReqHdr);
897
898	case VMMR0_DO_INTNET_IF_SEND:
899	if (u64Arg \|\| !pReqHdr \|\| !vmmR0IsValidSession(pVM, ((PINTNETIFSENDREQ)pReqHdr)->pSession, pSession))
900	return VERR_INVALID_PARAMETER;
901	if (!g_pIntNet)
902	return VERR_NOT_SUPPORTED;
903	return INTNETR0IfSendReq(g_pIntNet, pSession, (PINTNETIFSENDREQ)pReqHdr);
904
905	case VMMR0_DO_INTNET_IF_WAIT:
906	if (u64Arg \|\| !pReqHdr \|\| !vmmR0IsValidSession(pVM, ((PINTNETIFWAITREQ)pReqHdr)->pSession, pSession))
907	return VERR_INVALID_PARAMETER;
908	if (!g_pIntNet)
909	return VERR_NOT_SUPPORTED;
910	return INTNETR0IfWaitReq(g_pIntNet, pSession, (PINTNETIFWAITREQ)pReqHdr);
911
912	/*
913	* For profiling.
914	*/
915	case VMMR0_DO_NOP:
916	case VMMR0_DO_SLOW_NOP:
917	return VINF_SUCCESS;
918
919	/*
920	* For testing Ring-0 APIs invoked in this environment.
921	*/
922	case VMMR0_DO_TESTS:
923	/** @todo make new test */
924	return VINF_SUCCESS;
925
926
927	#if defined(DEBUG) && HC_ARCH_BITS == 32 && defined(VBOX_WITH_64_BITS_GUESTS)
928	case VMMR0_DO_TEST_SWITCHER3264:
929	return HWACCMR0TestSwitcher3264(pVM);
930	#endif
931	default:
932	/*
933	* We're returning VERR_NOT_SUPPORT here so we've got something else
934	* than -1 which the interrupt gate glue code might return.
935	*/
936	Log(("operation %#x is not supported\n", enmOperation));
937	return VERR_NOT_SUPPORTED;
938	}
939	}
940
941
942	/**
943	* Argument for vmmR0EntryExWrapper containing the argument s ofr VMMR0EntryEx.
944	*/
945	typedef struct VMMR0ENTRYEXARGS
946	{
947	PVM pVM;
948	VMMR0OPERATION enmOperation;
949	PSUPVMMR0REQHDR pReq;
950	uint64_t u64Arg;
951	PSUPDRVSESSION pSession;
952	} VMMR0ENTRYEXARGS;
953	/** Pointer to a vmmR0EntryExWrapper argument package. */
954	typedef VMMR0ENTRYEXARGS *PVMMR0ENTRYEXARGS;
955
956	/**
957	* This is just a longjmp wrapper function for VMMR0EntryEx calls.
958	*
959	* @returns VBox status code.
960	* @param pvArgs The argument package
961	*/
962	static int vmmR0EntryExWrapper(void *pvArgs)
963	{
964	return vmmR0EntryExWorker(((PVMMR0ENTRYEXARGS)pvArgs)->pVM,
965	((PVMMR0ENTRYEXARGS)pvArgs)->enmOperation,
966	((PVMMR0ENTRYEXARGS)pvArgs)->pReq,
967	((PVMMR0ENTRYEXARGS)pvArgs)->u64Arg,
968	((PVMMR0ENTRYEXARGS)pvArgs)->pSession);
969	}
970
971
972	/**
973	* The Ring 0 entry point, called by the support library (SUP).
974	*
975	* @returns VBox status code.
976	* @param pVM The VM to operate on.
977	* @param enmOperation Which operation to execute.
978	* @param pReq This points to a SUPVMMR0REQHDR packet. Optional.
979	* @param u64Arg Some simple constant argument.
980	* @param pSession The session of the caller.
981	* @remarks Assume called with interrupts _enabled_.
982	*/
983	VMMR0DECL(int) VMMR0EntryEx(PVM pVM, VMMR0OPERATION enmOperation, PSUPVMMR0REQHDR pReq, uint64_t u64Arg, PSUPDRVSESSION pSession)
984	{
985	/*
986	* Requests that should only happen on the EMT thread will be
987	* wrapped in a setjmp so we can assert without causing trouble.
988	*/
989	if ( VALID_PTR(pVM)
990	&& pVM->pVMR0)
991	{
992	switch (enmOperation)
993	{
994	/* These might/will be called before VMMR3Init. */
995	case VMMR0_DO_GMM_INITIAL_RESERVATION:
996	case VMMR0_DO_GMM_UPDATE_RESERVATION:
997	case VMMR0_DO_GMM_ALLOCATE_PAGES:
998	case VMMR0_DO_GMM_FREE_PAGES:
999	case VMMR0_DO_GMM_BALLOONED_PAGES:
1000	case VMMR0_DO_GMM_DEFLATED_BALLOON:
1001	case VMMR0_DO_GMM_MAP_UNMAP_CHUNK:
1002	case VMMR0_DO_GMM_SEED_CHUNK:
1003	/* On the mac we might not have a valid jmp buf, so check these as well. */
1004	case VMMR0_DO_VMMR0_INIT:
1005	case VMMR0_DO_VMMR0_TERM:
1006	{
1007	if (!pVM->vmm.s.CallHostR0JmpBuf.pvSavedStack)
1008	break;
1009
1010	/** @todo validate this EMT claim... GVM knows. */
1011	VMMR0ENTRYEXARGS Args;
1012	Args.pVM = pVM;
1013	Args.enmOperation = enmOperation;
1014	Args.pReq = pReq;
1015	Args.u64Arg = u64Arg;
1016	Args.pSession = pSession;
1017	return vmmR0CallHostSetJmpEx(&pVM->vmm.s.CallHostR0JmpBuf, vmmR0EntryExWrapper, &Args);
1018	}
1019
1020	default:
1021	break;
1022	}
1023	}
1024	return vmmR0EntryExWorker(pVM, enmOperation, pReq, u64Arg, pSession);
1025	}
1026
1027
1028	/**
1029	* Internal R0 logger worker: Flush logger.
1030	*
1031	* @param pLogger The logger instance to flush.
1032	* @remark This function must be exported!
1033	*/
1034	VMMR0DECL(void) vmmR0LoggerFlush(PRTLOGGER pLogger)
1035	{
1036	/*
1037	* Convert the pLogger into a VM handle and 'call' back to Ring-3.
1038	* (This is a bit paranoid code.)
1039	*/
1040	PVMMR0LOGGER pR0Logger = (PVMMR0LOGGER)((uintptr_t)pLogger - RT_OFFSETOF(VMMR0LOGGER, Logger));
1041	if ( !VALID_PTR(pR0Logger)
1042	\|\| !VALID_PTR(pR0Logger + 1)
1043	\|\| pLogger->u32Magic != RTLOGGER_MAGIC)
1044	{
1045	#ifdef DEBUG
1046	SUPR0Printf("vmmR0LoggerFlush: pLogger=%p!\n", pLogger);
1047	#endif
1048	return;
1049	}
1050	if (pR0Logger->fFlushingDisabled)
1051	return; /* quietly */
1052
1053	PVM pVM = pR0Logger->pVM;
1054	if ( !VALID_PTR(pVM)
1055	\|\| pVM->pVMR0 != pVM)
1056	{
1057	#ifdef DEBUG
1058	SUPR0Printf("vmmR0LoggerFlush: pVM=%p! pVMR0=%p! pLogger=%p\n", pVM, pVM->pVMR0, pLogger);
1059	#endif
1060	return;
1061	}
1062
1063	/*
1064	* Check that the jump buffer is armed.
1065	*/
1066	#ifdef RT_ARCH_X86
1067	if (!pVM->vmm.s.CallHostR0JmpBuf.eip)
1068	#else
1069	if (!pVM->vmm.s.CallHostR0JmpBuf.rip)
1070	#endif
1071	{
1072	#ifdef DEBUG
1073	SUPR0Printf("vmmR0LoggerFlush: Jump buffer isn't armed!\n");
1074	#endif
1075	return;
1076	}
1077	VMMR0CallHost(pVM, VMMCALLHOST_VMM_LOGGER_FLUSH, 0);
1078	}
1079
1080
1081	/**
1082	* Disables flushing of the ring-0 debug log.
1083	*
1084	* @param pVCpu The shared virtual cpu structure.
1085	*/
1086	VMMR0DECL(void) VMMR0LogFlushDisable(PVMCPU pVCpu)
1087	{
1088	PVM pVM = pVCpu->pVMR0;
1089	if (pVM->vmm.s.pR0LoggerR0)
1090	pVM->vmm.s.pR0LoggerR0->fFlushingDisabled = true;
1091	}
1092
1093
1094	/**
1095	* Enables flushing of the ring-0 debug log.
1096	*
1097	* @param pVCpu The shared virtual cpu structure.
1098	*/
1099	VMMR0DECL(void) VMMR0LogFlushEnable(PVMCPU pVCpu)
1100	{
1101	PVM pVM = pVCpu->pVMR0;
1102	if (pVM->vmm.s.pR0LoggerR0)
1103	pVM->vmm.s.pR0LoggerR0->fFlushingDisabled = false;
1104	}
1105
1106
1107	/**
1108	* Jump back to ring-3 if we're the EMT and the longjmp is armed.
1109	*
1110	* @returns true if the breakpoint should be hit, false if it should be ignored.
1111	*/
1112	DECLEXPORT(bool) RTCALL RTAssertShouldPanic(void)
1113	{
1114	#if 0
1115	return true;
1116	#else
1117	PVM pVM = GVMMR0GetVMByEMT(NIL_RTNATIVETHREAD);
1118	if (pVM)
1119	{
1120	#ifdef RT_ARCH_X86
1121	if (pVM->vmm.s.CallHostR0JmpBuf.eip)
1122	#else
1123	if (pVM->vmm.s.CallHostR0JmpBuf.rip)
1124	#endif
1125	{
1126	int rc = VMMR0CallHost(pVM, VMMCALLHOST_VM_R0_ASSERTION, 0);
1127	return RT_FAILURE_NP(rc);
1128	}
1129	}
1130	#ifdef RT_OS_LINUX
1131	return true;
1132	#else
1133	return false;
1134	#endif
1135	#endif
1136	}
1137
1138
1139	/**
1140	* Override this so we can push it up to ring-3.
1141	*
1142	* @param pszExpr Expression. Can be NULL.
1143	* @param uLine Location line number.
1144	* @param pszFile Location file name.
1145	* @param pszFunction Location function name.
1146	*/
1147	DECLEXPORT(void) RTCALL AssertMsg1(const char pszExpr, unsigned uLine, const char pszFile, const char *pszFunction)
1148	{
1149	#if !defined(DEBUG_sandervl) && !defined(RT_OS_DARWIN)
1150	SUPR0Printf("\n!!R0-Assertion Failed!!\n"
1151	"Expression: %s\n"
1152	"Location : %s(%d) %s\n",
1153	pszExpr, pszFile, uLine, pszFunction);
1154	#endif
1155	LogAlways(("\n!!R0-Assertion Failed!!\n"
1156	"Expression: %s\n"
1157	"Location : %s(%d) %s\n",
1158	pszExpr, pszFile, uLine, pszFunction));
1159
1160	PVM pVM = GVMMR0GetVMByEMT(NIL_RTNATIVETHREAD);
1161	if (pVM)
1162	RTStrPrintf(pVM->vmm.s.szRing0AssertMsg1, sizeof(pVM->vmm.s.szRing0AssertMsg1),
1163	"\n!!R0-Assertion Failed!!\n"
1164	"Expression: %s\n"
1165	"Location : %s(%d) %s\n",
1166	pszExpr, pszFile, uLine, pszFunction);
1167	#ifdef RT_OS_DARWIN
1168	RTAssertMsg1(pszExpr, uLine, pszFile, pszFunction);
1169	#endif
1170	}
1171
1172
1173	/**
1174	* Callback for RTLogFormatV which writes to the ring-3 log port.
1175	* See PFNLOGOUTPUT() for details.
1176	*/
1177	static DECLCALLBACK(size_t) rtLogOutput(void pv, const char pachChars, size_t cbChars)
1178	{
1179	for (size_t i = 0; i < cbChars; i++)
1180	{
1181	#if !defined(DEBUG_sandervl) && !defined(RT_OS_DARWIN)
1182	SUPR0Printf("%c", pachChars[i]);
1183	#endif
1184	LogAlways(("%c", pachChars[i]));
1185	}
1186
1187	return cbChars;
1188	}
1189
1190
1191	DECLEXPORT(void) RTCALL AssertMsg2(const char *pszFormat, ...)
1192	{
1193	va_list va;
1194
1195	PRTLOGGER pLog = RTLogDefaultInstance(); /** @todo we want this for release as well! */
1196	if (pLog)
1197	{
1198	va_start(va, pszFormat);
1199	RTLogFormatV(rtLogOutput, pLog, pszFormat, va);
1200	va_end(va);
1201
1202	PVM pVM = GVMMR0GetVMByEMT(NIL_RTNATIVETHREAD);
1203	if (pVM)
1204	{
1205	va_start(va, pszFormat);
1206	RTStrPrintfV(pVM->vmm.s.szRing0AssertMsg2, sizeof(pVM->vmm.s.szRing0AssertMsg2), pszFormat, va);
1207	va_end(va);
1208	}
1209	}
1210
1211	#ifdef RT_OS_DARWIN
1212	va_start(va, pszFormat);
1213	RTAssertMsg2V(pszFormat, va);
1214	va_end(va);
1215	#endif
1216	}
1217

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source: vbox/trunk/src/VBox/VMM/VMMR0/VMMR0.cpp@ 15144

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