VMMR0.cpp@ 14719

Last change on this file since 14719 was 14719, checked in by vboxsync, 16 years ago
VMMR0: Fixed mac breakage.
Property svn:eol-style set to `native` Property svn:keywords set to `Id`
File size: 39.2 KB

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1	/* $Id: VMMR0.cpp 14719 2008-11-27 16:29:24Z 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	return rc;
242
243	/* bail out */
244	}
245	HWACCMR0TermVM(pVM);
246	}
247	}
248	RTLogSetDefaultInstanceThread(NULL, 0);
249	return rc;
250	}
251
252
253	/**
254	* Terminates the R0 driver for a particular VM instance.
255	*
256	* @returns VBox status code.
257	*
258	* @param pVM The VM instance in question.
259	* @thread EMT.
260	*/
261	static int vmmR0TermVM(PVM pVM)
262	{
263	/** @todo @bugref{1865,3202}: Make these tail onto the VM object destruction
264	* to make sure they are always executed and don't leave mess behind
265	* when the process is killed. */
266	#ifdef VBOX_WITH_2X_4GB_ADDR_SPACE
267	PGMR0DynMapTermVM(pVM);
268	#endif
269	HWACCMR0TermVM(pVM);
270
271	/*
272	* Deregister the logger.
273	*/
274	RTLogSetDefaultInstanceThread(NULL, 0);
275	return VINF_SUCCESS;
276	}
277
278
279	/**
280	* Calls the ring-3 host code.
281	*
282	* @returns VBox status code of the ring-3 call.
283	* @param pVM The VM handle.
284	* @param enmOperation The operation.
285	* @param uArg The argument to the operation.
286	*/
287	VMMR0DECL(int) VMMR0CallHost(PVM pVM, VMMCALLHOST enmOperation, uint64_t uArg)
288	{
289	/** @todo profile this! */
290	pVM->vmm.s.enmCallHostOperation = enmOperation;
291	pVM->vmm.s.u64CallHostArg = uArg;
292	pVM->vmm.s.rcCallHost = VERR_INTERNAL_ERROR;
293	int rc = vmmR0CallHostLongJmp(&pVM->vmm.s.CallHostR0JmpBuf, VINF_VMM_CALL_HOST);
294	if (rc == VINF_SUCCESS)
295	rc = pVM->vmm.s.rcCallHost;
296	return rc;
297	}
298
299
300	#ifdef VBOX_WITH_STATISTICS
301	/**
302	* Record return code statistics
303	* @param pVM The VM handle.
304	* @param rc The status code.
305	*/
306	static void vmmR0RecordRC(PVM pVM, int rc)
307	{
308	/*
309	* Collect statistics.
310	*/
311	switch (rc)
312	{
313	case VINF_SUCCESS:
314	STAM_COUNTER_INC(&pVM->vmm.s.StatRZRetNormal);
315	break;
316	case VINF_EM_RAW_INTERRUPT:
317	STAM_COUNTER_INC(&pVM->vmm.s.StatRZRetInterrupt);
318	break;
319	case VINF_EM_RAW_INTERRUPT_HYPER:
320	STAM_COUNTER_INC(&pVM->vmm.s.StatRZRetInterruptHyper);
321	break;
322	case VINF_EM_RAW_GUEST_TRAP:
323	STAM_COUNTER_INC(&pVM->vmm.s.StatRZRetGuestTrap);
324	break;
325	case VINF_EM_RAW_RING_SWITCH:
326	STAM_COUNTER_INC(&pVM->vmm.s.StatRZRetRingSwitch);
327	break;
328	case VINF_EM_RAW_RING_SWITCH_INT:
329	STAM_COUNTER_INC(&pVM->vmm.s.StatRZRetRingSwitchInt);
330	break;
331	case VINF_EM_RAW_EXCEPTION_PRIVILEGED:
332	STAM_COUNTER_INC(&pVM->vmm.s.StatRZRetExceptionPrivilege);
333	break;
334	case VINF_EM_RAW_STALE_SELECTOR:
335	STAM_COUNTER_INC(&pVM->vmm.s.StatRZRetStaleSelector);
336	break;
337	case VINF_EM_RAW_IRET_TRAP:
338	STAM_COUNTER_INC(&pVM->vmm.s.StatRZRetIRETTrap);
339	break;
340	case VINF_IOM_HC_IOPORT_READ:
341	STAM_COUNTER_INC(&pVM->vmm.s.StatRZRetIORead);
342	break;
343	case VINF_IOM_HC_IOPORT_WRITE:
344	STAM_COUNTER_INC(&pVM->vmm.s.StatRZRetIOWrite);
345	break;
346	case VINF_IOM_HC_MMIO_READ:
347	STAM_COUNTER_INC(&pVM->vmm.s.StatRZRetMMIORead);
348	break;
349	case VINF_IOM_HC_MMIO_WRITE:
350	STAM_COUNTER_INC(&pVM->vmm.s.StatRZRetMMIOWrite);
351	break;
352	case VINF_IOM_HC_MMIO_READ_WRITE:
353	STAM_COUNTER_INC(&pVM->vmm.s.StatRZRetMMIOReadWrite);
354	break;
355	case VINF_PATM_HC_MMIO_PATCH_READ:
356	STAM_COUNTER_INC(&pVM->vmm.s.StatRZRetMMIOPatchRead);
357	break;
358	case VINF_PATM_HC_MMIO_PATCH_WRITE:
359	STAM_COUNTER_INC(&pVM->vmm.s.StatRZRetMMIOPatchWrite);
360	break;
361	case VINF_EM_RAW_EMULATE_INSTR:
362	STAM_COUNTER_INC(&pVM->vmm.s.StatRZRetEmulate);
363	break;
364	case VINF_PATCH_EMULATE_INSTR:
365	STAM_COUNTER_INC(&pVM->vmm.s.StatRZRetPatchEmulate);
366	break;
367	case VINF_EM_RAW_EMULATE_INSTR_LDT_FAULT:
368	STAM_COUNTER_INC(&pVM->vmm.s.StatRZRetLDTFault);
369	break;
370	case VINF_EM_RAW_EMULATE_INSTR_GDT_FAULT:
371	STAM_COUNTER_INC(&pVM->vmm.s.StatRZRetGDTFault);
372	break;
373	case VINF_EM_RAW_EMULATE_INSTR_IDT_FAULT:
374	STAM_COUNTER_INC(&pVM->vmm.s.StatRZRetIDTFault);
375	break;
376	case VINF_EM_RAW_EMULATE_INSTR_TSS_FAULT:
377	STAM_COUNTER_INC(&pVM->vmm.s.StatRZRetTSSFault);
378	break;
379	case VINF_EM_RAW_EMULATE_INSTR_PD_FAULT:
380	STAM_COUNTER_INC(&pVM->vmm.s.StatRZRetPDFault);
381	break;
382	case VINF_CSAM_PENDING_ACTION:
383	STAM_COUNTER_INC(&pVM->vmm.s.StatRZRetCSAMTask);
384	break;
385	case VINF_PGM_SYNC_CR3:
386	STAM_COUNTER_INC(&pVM->vmm.s.StatRZRetSyncCR3);
387	break;
388	case VINF_PATM_PATCH_INT3:
389	STAM_COUNTER_INC(&pVM->vmm.s.StatRZRetPatchInt3);
390	break;
391	case VINF_PATM_PATCH_TRAP_PF:
392	STAM_COUNTER_INC(&pVM->vmm.s.StatRZRetPatchPF);
393	break;
394	case VINF_PATM_PATCH_TRAP_GP:
395	STAM_COUNTER_INC(&pVM->vmm.s.StatRZRetPatchGP);
396	break;
397	case VINF_PATM_PENDING_IRQ_AFTER_IRET:
398	STAM_COUNTER_INC(&pVM->vmm.s.StatRZRetPatchIretIRQ);
399	break;
400	case VERR_REM_FLUSHED_PAGES_OVERFLOW:
401	STAM_COUNTER_INC(&pVM->vmm.s.StatRZRetPageOverflow);
402	break;
403	case VINF_EM_RESCHEDULE_REM:
404	STAM_COUNTER_INC(&pVM->vmm.s.StatRZRetRescheduleREM);
405	break;
406	case VINF_EM_RAW_TO_R3:
407	STAM_COUNTER_INC(&pVM->vmm.s.StatRZRetToR3);
408	break;
409	case VINF_EM_RAW_TIMER_PENDING:
410	STAM_COUNTER_INC(&pVM->vmm.s.StatRZRetTimerPending);
411	break;
412	case VINF_EM_RAW_INTERRUPT_PENDING:
413	STAM_COUNTER_INC(&pVM->vmm.s.StatRZRetInterruptPending);
414	break;
415	case VINF_VMM_CALL_HOST:
416	switch (pVM->vmm.s.enmCallHostOperation)
417	{
418	case VMMCALLHOST_PDM_LOCK:
419	STAM_COUNTER_INC(&pVM->vmm.s.StatRZCallPDMLock);
420	break;
421	case VMMCALLHOST_PDM_QUEUE_FLUSH:
422	STAM_COUNTER_INC(&pVM->vmm.s.StatRZCallPDMQueueFlush);
423	break;
424	case VMMCALLHOST_PGM_POOL_GROW:
425	STAM_COUNTER_INC(&pVM->vmm.s.StatRZCallPGMPoolGrow);
426	break;
427	case VMMCALLHOST_PGM_LOCK:
428	STAM_COUNTER_INC(&pVM->vmm.s.StatRZCallPGMLock);
429	break;
430	case VMMCALLHOST_PGM_MAP_CHUNK:
431	STAM_COUNTER_INC(&pVM->vmm.s.StatRZCallPGMMapChunk);
432	break;
433	case VMMCALLHOST_PGM_ALLOCATE_HANDY_PAGES:
434	STAM_COUNTER_INC(&pVM->vmm.s.StatRZCallPGMAllocHandy);
435	break;
436	#ifndef VBOX_WITH_NEW_PHYS_CODE
437	case VMMCALLHOST_PGM_RAM_GROW_RANGE:
438	STAM_COUNTER_INC(&pVM->vmm.s.StatRZCallPGMGrowRAM);
439	break;
440	#endif
441	case VMMCALLHOST_REM_REPLAY_HANDLER_NOTIFICATIONS:
442	STAM_COUNTER_INC(&pVM->vmm.s.StatRZCallRemReplay);
443	break;
444	case VMMCALLHOST_VMM_LOGGER_FLUSH:
445	STAM_COUNTER_INC(&pVM->vmm.s.StatRZCallLogFlush);
446	break;
447	case VMMCALLHOST_VM_SET_ERROR:
448	STAM_COUNTER_INC(&pVM->vmm.s.StatRZCallVMSetError);
449	break;
450	case VMMCALLHOST_VM_SET_RUNTIME_ERROR:
451	STAM_COUNTER_INC(&pVM->vmm.s.StatRZCallVMSetRuntimeError);
452	break;
453	case VMMCALLHOST_VM_R0_ASSERTION:
454	default:
455	STAM_COUNTER_INC(&pVM->vmm.s.StatRZRetCallHost);
456	break;
457	}
458	break;
459	case VINF_PATM_DUPLICATE_FUNCTION:
460	STAM_COUNTER_INC(&pVM->vmm.s.StatRZRetPATMDuplicateFn);
461	break;
462	case VINF_PGM_CHANGE_MODE:
463	STAM_COUNTER_INC(&pVM->vmm.s.StatRZRetPGMChangeMode);
464	break;
465	case VINF_EM_RAW_EMULATE_INSTR_HLT:
466	STAM_COUNTER_INC(&pVM->vmm.s.StatRZRetEmulHlt);
467	break;
468	case VINF_EM_PENDING_REQUEST:
469	STAM_COUNTER_INC(&pVM->vmm.s.StatRZRetPendingRequest);
470	break;
471	default:
472	STAM_COUNTER_INC(&pVM->vmm.s.StatRZRetMisc);
473	break;
474	}
475	}
476	#endif /* VBOX_WITH_STATISTICS */
477
478
479	/**
480	* Unused ring-0 entry point that used to be called from the interrupt gate.
481	*
482	* Will be removed one of the next times we do a major SUPDrv version bump.
483	*
484	* @returns VBox status code.
485	* @param pVM The VM to operate on.
486	* @param enmOperation Which operation to execute.
487	* @param pvArg Argument to the operation.
488	* @remarks Assume called with interrupts disabled.
489	*/
490	VMMR0DECL(int) VMMR0EntryInt(PVM pVM, VMMR0OPERATION enmOperation, void *pvArg)
491	{
492	switch (enmOperation)
493	{
494	default:
495	/*
496	* We're returning VERR_NOT_SUPPORT here so we've got something else
497	* than -1 which the interrupt gate glue code might return.
498	*/
499	Log(("operation %#x is not supported\n", enmOperation));
500	return VERR_NOT_SUPPORTED;
501	}
502	}
503
504
505	/**
506	* The Ring 0 entry point, called by the fast-ioctl path.
507	*
508	* @param pVM The VM to operate on.
509	* The return code is stored in pVM->vmm.s.iLastGZRc.
510	* @param idCpu VMCPU id.
511	* @param enmOperation Which operation to execute.
512	* @remarks Assume called with interrupts _enabled_.
513	*/
514	VMMR0DECL(void) VMMR0EntryFast(PVM pVM, unsigned idCpu, VMMR0OPERATION enmOperation)
515	{
516	if (RT_UNLIKELY(idCpu >= pVM->cCPUs))
517	{
518	pVM->vmm.s.iLastGZRc = VERR_INVALID_PARAMETER;
519	return;
520	}
521
522	switch (enmOperation)
523	{
524	/*
525	* Switch to GC and run guest raw mode code.
526	* Disable interrupts before doing the world switch.
527	*/
528	case VMMR0_DO_RAW_RUN:
529	{
530	/* Safety precaution as hwaccm disables the switcher. */
531	if (RT_LIKELY(!pVM->vmm.s.fSwitcherDisabled))
532	{
533	RTCCUINTREG uFlags = ASMIntDisableFlags();
534
535	TMNotifyStartOfExecution(pVM);
536	int rc = pVM->vmm.s.pfnHostToGuestR0(pVM);
537	pVM->vmm.s.iLastGZRc = rc;
538	TMNotifyEndOfExecution(pVM);
539
540	if ( rc == VINF_EM_RAW_INTERRUPT
541	\|\| rc == VINF_EM_RAW_INTERRUPT_HYPER)
542	TRPMR0DispatchHostInterrupt(pVM);
543
544	ASMSetFlags(uFlags);
545
546	#ifdef VBOX_WITH_STATISTICS
547	STAM_COUNTER_INC(&pVM->vmm.s.StatRunRC);
548	vmmR0RecordRC(pVM, rc);
549	#endif
550	}
551	else
552	{
553	Assert(!pVM->vmm.s.fSwitcherDisabled);
554	pVM->vmm.s.iLastGZRc = VERR_NOT_SUPPORTED;
555	}
556	break;
557	}
558
559	/*
560	* Run guest code using the available hardware acceleration technology.
561	*
562	* Disable interrupts before we do anything interesting. On Windows we avoid
563	* this by having the support driver raise the IRQL before calling us, this way
564	* we hope to get away with page faults and later calling into the kernel.
565	*/
566	case VMMR0_DO_HWACC_RUN:
567	{
568	int rc;
569	PVMCPU pVCpu = &pVM->aCpus[idCpu];
570
571	STAM_COUNTER_INC(&pVM->vmm.s.StatRunRC);
572
573	#ifndef RT_OS_WINDOWS /** @todo check other hosts */
574	RTCCUINTREG uFlags = ASMIntDisableFlags();
575	#endif
576	if (!HWACCMR0SuspendPending())
577	{
578	rc = HWACCMR0Enter(pVM, pVCpu);
579	if (RT_SUCCESS(rc))
580	{
581	rc = vmmR0CallHostSetJmp(&pVM->vmm.s.CallHostR0JmpBuf, HWACCMR0RunGuestCode, pVM, pVCpu); /* this may resume code. */
582	int rc2 = HWACCMR0Leave(pVM, pVCpu);
583	AssertRC(rc2);
584	}
585	}
586	else
587	{
588	/* System is about to go into suspend mode; go back to ring 3. */
589	rc = VINF_EM_RAW_INTERRUPT;
590	}
591	pVM->vmm.s.iLastGZRc = rc;
592	#ifndef RT_OS_WINDOWS /** @todo check other hosts */
593	ASMSetFlags(uFlags);
594	#endif
595
596	#ifdef VBOX_WITH_STATISTICS
597	vmmR0RecordRC(pVM, rc);
598	#endif
599	/* No special action required for external interrupts, just return. */
600	break;
601	}
602
603	/*
604	* For profiling.
605	*/
606	case VMMR0_DO_NOP:
607	pVM->vmm.s.iLastGZRc = VINF_SUCCESS;
608	break;
609
610	/*
611	* Impossible.
612	*/
613	default:
614	AssertMsgFailed(("%#x\n", enmOperation));
615	pVM->vmm.s.iLastGZRc = VERR_NOT_SUPPORTED;
616	break;
617	}
618	}
619
620
621	/**
622	* Validates a session or VM session argument.
623	*
624	* @returns true / false accordingly.
625	* @param pVM The VM argument.
626	* @param pSession The session argument.
627	*/
628	DECLINLINE(bool) vmmR0IsValidSession(PVM pVM, PSUPDRVSESSION pClaimedSession, PSUPDRVSESSION pSession)
629	{
630	/* This must be set! */
631	if (!pSession)
632	return false;
633
634	/* Only one out of the two. */
635	if (pVM && pClaimedSession)
636	return false;
637	if (pVM)
638	pClaimedSession = pVM->pSession;
639	return pClaimedSession == pSession;
640	}
641
642
643	/**
644	* VMMR0EntryEx worker function, either called directly or when ever possible
645	* called thru a longjmp so we can exit safely on failure.
646	*
647	* @returns VBox status code.
648	* @param pVM The VM to operate on.
649	* @param enmOperation Which operation to execute.
650	* @param pReqHdr This points to a SUPVMMR0REQHDR packet. Optional.
651	* The support driver validates this if it's present.
652	* @param u64Arg Some simple constant argument.
653	* @param pSession The session of the caller.
654	* @remarks Assume called with interrupts _enabled_.
655	*/
656	static int vmmR0EntryExWorker(PVM pVM, VMMR0OPERATION enmOperation, PSUPVMMR0REQHDR pReqHdr, uint64_t u64Arg, PSUPDRVSESSION pSession)
657	{
658	/*
659	* Common VM pointer validation.
660	*/
661	if (pVM)
662	{
663	if (RT_UNLIKELY( !VALID_PTR(pVM)
664	\|\| ((uintptr_t)pVM & PAGE_OFFSET_MASK)))
665	{
666	SUPR0Printf("vmmR0EntryExWorker: Invalid pVM=%p! (op=%d)\n", pVM, enmOperation);
667	return VERR_INVALID_POINTER;
668	}
669	if (RT_UNLIKELY( pVM->enmVMState < VMSTATE_CREATING
670	\|\| pVM->enmVMState > VMSTATE_TERMINATED
671	\|\| pVM->pVMR0 != pVM))
672	{
673	SUPR0Printf("vmmR0EntryExWorker: Invalid pVM=%p:{enmVMState=%d, .pVMR0=%p}! (op=%d)\n",
674	pVM, pVM->enmVMState, pVM->pVMR0, enmOperation);
675	return VERR_INVALID_POINTER;
676	}
677	}
678
679	switch (enmOperation)
680	{
681	/*
682	* GVM requests
683	*/
684	case VMMR0_DO_GVMM_CREATE_VM:
685	if (pVM \|\| u64Arg)
686	return VERR_INVALID_PARAMETER;
687	return GVMMR0CreateVMReq((PGVMMCREATEVMREQ)pReqHdr);
688
689	case VMMR0_DO_GVMM_DESTROY_VM:
690	if (pReqHdr \|\| u64Arg)
691	return VERR_INVALID_PARAMETER;
692	return GVMMR0DestroyVM(pVM);
693
694	case VMMR0_DO_GVMM_SCHED_HALT:
695	if (pReqHdr)
696	return VERR_INVALID_PARAMETER;
697	return GVMMR0SchedHalt(pVM, u64Arg);
698
699	case VMMR0_DO_GVMM_SCHED_WAKE_UP:
700	if (pReqHdr \|\| u64Arg)
701	return VERR_INVALID_PARAMETER;
702	return GVMMR0SchedWakeUp(pVM);
703
704	case VMMR0_DO_GVMM_SCHED_POLL:
705	if (pReqHdr \|\| u64Arg > 1)
706	return VERR_INVALID_PARAMETER;
707	return GVMMR0SchedPoll(pVM, !!u64Arg);
708
709	case VMMR0_DO_GVMM_QUERY_STATISTICS:
710	if (u64Arg)
711	return VERR_INVALID_PARAMETER;
712	return GVMMR0QueryStatisticsReq(pVM, (PGVMMQUERYSTATISTICSSREQ)pReqHdr);
713
714	case VMMR0_DO_GVMM_RESET_STATISTICS:
715	if (u64Arg)
716	return VERR_INVALID_PARAMETER;
717	return GVMMR0ResetStatisticsReq(pVM, (PGVMMRESETSTATISTICSSREQ)pReqHdr);
718
719	/*
720	* Initialize the R0 part of a VM instance.
721	*/
722	case VMMR0_DO_VMMR0_INIT:
723	return vmmR0InitVM(pVM, (uint32_t)u64Arg);
724
725	/*
726	* Terminate the R0 part of a VM instance.
727	*/
728	case VMMR0_DO_VMMR0_TERM:
729	return vmmR0TermVM(pVM);
730
731	/*
732	* Attempt to enable hwacc mode and check the current setting.
733	*
734	*/
735	case VMMR0_DO_HWACC_ENABLE:
736	return HWACCMR0EnableAllCpus(pVM, (HWACCMSTATE)u64Arg);
737
738	/*
739	* Setup the hardware accelerated raw-mode session.
740	*/
741	case VMMR0_DO_HWACC_SETUP_VM:
742	{
743	RTCCUINTREG fFlags = ASMIntDisableFlags();
744	int rc = HWACCMR0SetupVM(pVM);
745	ASMSetFlags(fFlags);
746	return rc;
747	}
748
749	/*
750	* Switch to GC to execute Hypervisor function.
751	*/
752	case VMMR0_DO_CALL_HYPERVISOR:
753	{
754	/* Safety precaution as HWACCM can disable the switcher. */
755	Assert(!pVM->vmm.s.fSwitcherDisabled);
756	if (RT_UNLIKELY(pVM->vmm.s.fSwitcherDisabled))
757	return VERR_NOT_SUPPORTED;
758
759	RTCCUINTREG fFlags = ASMIntDisableFlags();
760	int rc = pVM->vmm.s.pfnHostToGuestR0(pVM);
761	/** @todo dispatch interrupts? */
762	ASMSetFlags(fFlags);
763	return rc;
764	}
765
766	/*
767	* PGM wrappers.
768	*/
769	case VMMR0_DO_PGM_ALLOCATE_HANDY_PAGES:
770	return PGMR0PhysAllocateHandyPages(pVM);
771
772	/*
773	* GMM wrappers.
774	*/
775	case VMMR0_DO_GMM_INITIAL_RESERVATION:
776	if (u64Arg)
777	return VERR_INVALID_PARAMETER;
778	return GMMR0InitialReservationReq(pVM, (PGMMINITIALRESERVATIONREQ)pReqHdr);
779	case VMMR0_DO_GMM_UPDATE_RESERVATION:
780	if (u64Arg)
781	return VERR_INVALID_PARAMETER;
782	return GMMR0UpdateReservationReq(pVM, (PGMMUPDATERESERVATIONREQ)pReqHdr);
783
784	case VMMR0_DO_GMM_ALLOCATE_PAGES:
785	if (u64Arg)
786	return VERR_INVALID_PARAMETER;
787	return GMMR0AllocatePagesReq(pVM, (PGMMALLOCATEPAGESREQ)pReqHdr);
788	case VMMR0_DO_GMM_FREE_PAGES:
789	if (u64Arg)
790	return VERR_INVALID_PARAMETER;
791	return GMMR0FreePagesReq(pVM, (PGMMFREEPAGESREQ)pReqHdr);
792	case VMMR0_DO_GMM_BALLOONED_PAGES:
793	if (u64Arg)
794	return VERR_INVALID_PARAMETER;
795	return GMMR0BalloonedPagesReq(pVM, (PGMMBALLOONEDPAGESREQ)pReqHdr);
796	case VMMR0_DO_GMM_DEFLATED_BALLOON:
797	if (pReqHdr)
798	return VERR_INVALID_PARAMETER;
799	return GMMR0DeflatedBalloon(pVM, (uint32_t)u64Arg);
800
801	case VMMR0_DO_GMM_MAP_UNMAP_CHUNK:
802	if (u64Arg)
803	return VERR_INVALID_PARAMETER;
804	return GMMR0MapUnmapChunkReq(pVM, (PGMMMAPUNMAPCHUNKREQ)pReqHdr);
805	case VMMR0_DO_GMM_SEED_CHUNK:
806	if (pReqHdr)
807	return VERR_INVALID_PARAMETER;
808	return GMMR0SeedChunk(pVM, (RTR3PTR)u64Arg);
809
810	/*
811	* A quick GCFGM mock-up.
812	*/
813	/** @todo GCFGM with proper access control, ring-3 management interface and all that. */
814	case VMMR0_DO_GCFGM_SET_VALUE:
815	case VMMR0_DO_GCFGM_QUERY_VALUE:
816	{
817	if (pVM \|\| !pReqHdr \|\| u64Arg)
818	return VERR_INVALID_PARAMETER;
819	PGCFGMVALUEREQ pReq = (PGCFGMVALUEREQ)pReqHdr;
820	if (pReq->Hdr.cbReq != sizeof(*pReq))
821	return VERR_INVALID_PARAMETER;
822	int rc;
823	if (enmOperation == VMMR0_DO_GCFGM_SET_VALUE)
824	{
825	rc = GVMMR0SetConfig(pReq->pSession, &pReq->szName[0], pReq->u64Value);
826	//if (rc == VERR_CFGM_VALUE_NOT_FOUND)
827	// rc = GMMR0SetConfig(pReq->pSession, &pReq->szName[0], pReq->u64Value);
828	}
829	else
830	{
831	rc = GVMMR0QueryConfig(pReq->pSession, &pReq->szName[0], &pReq->u64Value);
832	//if (rc == VERR_CFGM_VALUE_NOT_FOUND)
833	// rc = GMMR0QueryConfig(pReq->pSession, &pReq->szName[0], &pReq->u64Value);
834	}
835	return rc;
836	}
837
838
839	/*
840	* Requests to the internal networking service.
841	*/
842	case VMMR0_DO_INTNET_OPEN:
843	{
844	PINTNETOPENREQ pReq = (PINTNETOPENREQ)pReqHdr;
845	if (u64Arg \|\| !pReq \|\| !vmmR0IsValidSession(pVM, pReq->pSession, pSession))
846	return VERR_INVALID_PARAMETER;
847	if (!g_pIntNet)
848	return VERR_NOT_SUPPORTED;
849	return INTNETR0OpenReq(g_pIntNet, pSession, pReq);
850	}
851
852	case VMMR0_DO_INTNET_IF_CLOSE:
853	if (u64Arg \|\| !pReqHdr \|\| !vmmR0IsValidSession(pVM, ((PINTNETIFCLOSEREQ)pReqHdr)->pSession, pSession))
854	return VERR_INVALID_PARAMETER;
855	if (!g_pIntNet)
856	return VERR_NOT_SUPPORTED;
857	return INTNETR0IfCloseReq(g_pIntNet, pSession, (PINTNETIFCLOSEREQ)pReqHdr);
858
859	case VMMR0_DO_INTNET_IF_GET_RING3_BUFFER:
860	if (u64Arg \|\| !pReqHdr \|\| !vmmR0IsValidSession(pVM, ((PINTNETIFGETRING3BUFFERREQ)pReqHdr)->pSession, pSession))
861	return VERR_INVALID_PARAMETER;
862	if (!g_pIntNet)
863	return VERR_NOT_SUPPORTED;
864	return INTNETR0IfGetRing3BufferReq(g_pIntNet, pSession, (PINTNETIFGETRING3BUFFERREQ)pReqHdr);
865
866	case VMMR0_DO_INTNET_IF_SET_PROMISCUOUS_MODE:
867	if (u64Arg \|\| !pReqHdr \|\| !vmmR0IsValidSession(pVM, ((PINTNETIFSETPROMISCUOUSMODEREQ)pReqHdr)->pSession, pSession))
868	return VERR_INVALID_PARAMETER;
869	if (!g_pIntNet)
870	return VERR_NOT_SUPPORTED;
871	return INTNETR0IfSetPromiscuousModeReq(g_pIntNet, pSession, (PINTNETIFSETPROMISCUOUSMODEREQ)pReqHdr);
872
873	case VMMR0_DO_INTNET_IF_SET_MAC_ADDRESS:
874	if (u64Arg \|\| !pReqHdr \|\| !vmmR0IsValidSession(pVM, ((PINTNETIFSETMACADDRESSREQ)pReqHdr)->pSession, pSession))
875	return VERR_INVALID_PARAMETER;
876	if (!g_pIntNet)
877	return VERR_NOT_SUPPORTED;
878	return INTNETR0IfSetMacAddressReq(g_pIntNet, pSession, (PINTNETIFSETMACADDRESSREQ)pReqHdr);
879
880	case VMMR0_DO_INTNET_IF_SET_ACTIVE:
881	if (u64Arg \|\| !pReqHdr \|\| !vmmR0IsValidSession(pVM, ((PINTNETIFSETACTIVEREQ)pReqHdr)->pSession, pSession))
882	return VERR_INVALID_PARAMETER;
883	if (!g_pIntNet)
884	return VERR_NOT_SUPPORTED;
885	return INTNETR0IfSetActiveReq(g_pIntNet, pSession, (PINTNETIFSETACTIVEREQ)pReqHdr);
886
887	case VMMR0_DO_INTNET_IF_SEND:
888	if (u64Arg \|\| !pReqHdr \|\| !vmmR0IsValidSession(pVM, ((PINTNETIFSENDREQ)pReqHdr)->pSession, pSession))
889	return VERR_INVALID_PARAMETER;
890	if (!g_pIntNet)
891	return VERR_NOT_SUPPORTED;
892	return INTNETR0IfSendReq(g_pIntNet, pSession, (PINTNETIFSENDREQ)pReqHdr);
893
894	case VMMR0_DO_INTNET_IF_WAIT:
895	if (u64Arg \|\| !pReqHdr \|\| !vmmR0IsValidSession(pVM, ((PINTNETIFWAITREQ)pReqHdr)->pSession, pSession))
896	return VERR_INVALID_PARAMETER;
897	if (!g_pIntNet)
898	return VERR_NOT_SUPPORTED;
899	return INTNETR0IfWaitReq(g_pIntNet, pSession, (PINTNETIFWAITREQ)pReqHdr);
900
901	/*
902	* For profiling.
903	*/
904	case VMMR0_DO_NOP:
905	case VMMR0_DO_SLOW_NOP:
906	return VINF_SUCCESS;
907
908	/*
909	* For testing Ring-0 APIs invoked in this environment.
910	*/
911	case VMMR0_DO_TESTS:
912	/** @todo make new test */
913	return VINF_SUCCESS;
914
915
916	default:
917	/*
918	* We're returning VERR_NOT_SUPPORT here so we've got something else
919	* than -1 which the interrupt gate glue code might return.
920	*/
921	Log(("operation %#x is not supported\n", enmOperation));
922	return VERR_NOT_SUPPORTED;
923	}
924	}
925
926
927	/**
928	* Argument for vmmR0EntryExWrapper containing the argument s ofr VMMR0EntryEx.
929	*/
930	typedef struct VMMR0ENTRYEXARGS
931	{
932	PVM pVM;
933	VMMR0OPERATION enmOperation;
934	PSUPVMMR0REQHDR pReq;
935	uint64_t u64Arg;
936	PSUPDRVSESSION pSession;
937	} VMMR0ENTRYEXARGS;
938	/** Pointer to a vmmR0EntryExWrapper argument package. */
939	typedef VMMR0ENTRYEXARGS *PVMMR0ENTRYEXARGS;
940
941	/**
942	* This is just a longjmp wrapper function for VMMR0EntryEx calls.
943	*
944	* @returns VBox status code.
945	* @param pvArgs The argument package
946	*/
947	static int vmmR0EntryExWrapper(void *pvArgs)
948	{
949	return vmmR0EntryExWorker(((PVMMR0ENTRYEXARGS)pvArgs)->pVM,
950	((PVMMR0ENTRYEXARGS)pvArgs)->enmOperation,
951	((PVMMR0ENTRYEXARGS)pvArgs)->pReq,
952	((PVMMR0ENTRYEXARGS)pvArgs)->u64Arg,
953	((PVMMR0ENTRYEXARGS)pvArgs)->pSession);
954	}
955
956
957	/**
958	* The Ring 0 entry point, called by the support library (SUP).
959	*
960	* @returns VBox status code.
961	* @param pVM The VM to operate on.
962	* @param enmOperation Which operation to execute.
963	* @param pReq This points to a SUPVMMR0REQHDR packet. Optional.
964	* @param u64Arg Some simple constant argument.
965	* @param pSession The session of the caller.
966	* @remarks Assume called with interrupts _enabled_.
967	*/
968	VMMR0DECL(int) VMMR0EntryEx(PVM pVM, VMMR0OPERATION enmOperation, PSUPVMMR0REQHDR pReq, uint64_t u64Arg, PSUPDRVSESSION pSession)
969	{
970	/*
971	* Requests that should only happen on the EMT thread will be
972	* wrapped in a setjmp so we can assert without causing trouble.
973	*/
974	if ( VALID_PTR(pVM)
975	&& pVM->pVMR0)
976	{
977	switch (enmOperation)
978	{
979	/* These might/will be called before VMMR3Init. */
980	case VMMR0_DO_GMM_INITIAL_RESERVATION:
981	case VMMR0_DO_GMM_UPDATE_RESERVATION:
982	case VMMR0_DO_GMM_ALLOCATE_PAGES:
983	case VMMR0_DO_GMM_FREE_PAGES:
984	case VMMR0_DO_GMM_BALLOONED_PAGES:
985	case VMMR0_DO_GMM_DEFLATED_BALLOON:
986	case VMMR0_DO_GMM_MAP_UNMAP_CHUNK:
987	case VMMR0_DO_GMM_SEED_CHUNK:
988	/* On the mac we might not have a valid jmp buf, so check these as well. */
989	case VMMR0_DO_VMMR0_INIT:
990	case VMMR0_DO_VMMR0_TERM:
991	{
992	if (!pVM->vmm.s.CallHostR0JmpBuf.pvSavedStack)
993	break;
994
995	/** @todo validate this EMT claim... GVM knows. */
996	VMMR0ENTRYEXARGS Args;
997	Args.pVM = pVM;
998	Args.enmOperation = enmOperation;
999	Args.pReq = pReq;
1000	Args.u64Arg = u64Arg;
1001	Args.pSession = pSession;
1002	return vmmR0CallHostSetJmpEx(&pVM->vmm.s.CallHostR0JmpBuf, vmmR0EntryExWrapper, &Args);
1003	}
1004
1005	default:
1006	break;
1007	}
1008	}
1009	return vmmR0EntryExWorker(pVM, enmOperation, pReq, u64Arg, pSession);
1010	}
1011
1012
1013	/**
1014	* Internal R0 logger worker: Flush logger.
1015	*
1016	* @param pLogger The logger instance to flush.
1017	* @remark This function must be exported!
1018	*/
1019	VMMR0DECL(void) vmmR0LoggerFlush(PRTLOGGER pLogger)
1020	{
1021	/*
1022	* Convert the pLogger into a VM handle and 'call' back to Ring-3.
1023	* (This is a bit paranoid code.)
1024	*/
1025	PVMMR0LOGGER pR0Logger = (PVMMR0LOGGER)((uintptr_t)pLogger - RT_OFFSETOF(VMMR0LOGGER, Logger));
1026	if ( !VALID_PTR(pR0Logger)
1027	\|\| !VALID_PTR(pR0Logger + 1)
1028	\|\| pLogger->u32Magic != RTLOGGER_MAGIC)
1029	{
1030	#ifdef DEBUG
1031	SUPR0Printf("vmmR0LoggerFlush: pLogger=%p!\n", pLogger);
1032	#endif
1033	return;
1034	}
1035	if (pR0Logger->fFlushingDisabled)
1036	return; /* quietly */
1037
1038	PVM pVM = pR0Logger->pVM;
1039	if ( !VALID_PTR(pVM)
1040	\|\| pVM->pVMR0 != pVM)
1041	{
1042	#ifdef DEBUG
1043	SUPR0Printf("vmmR0LoggerFlush: pVM=%p! pVMR0=%p! pLogger=%p\n", pVM, pVM->pVMR0, pLogger);
1044	#endif
1045	return;
1046	}
1047
1048	/*
1049	* Check that the jump buffer is armed.
1050	*/
1051	#ifdef RT_ARCH_X86
1052	if (!pVM->vmm.s.CallHostR0JmpBuf.eip)
1053	#else
1054	if (!pVM->vmm.s.CallHostR0JmpBuf.rip)
1055	#endif
1056	{
1057	#ifdef DEBUG
1058	SUPR0Printf("vmmR0LoggerFlush: Jump buffer isn't armed!\n");
1059	#endif
1060	return;
1061	}
1062	VMMR0CallHost(pVM, VMMCALLHOST_VMM_LOGGER_FLUSH, 0);
1063	}
1064
1065
1066	/**
1067	* Disables flushing of the ring-0 debug log.
1068	*
1069	* @param pVCpu The shared virtual cpu structure.
1070	*/
1071	VMMR0DECL(void) VMMR0LogFlushDisable(PVMCPU pVCpu)
1072	{
1073	PVM pVM = pVCpu->pVMR0;
1074	if (pVM->vmm.s.pR0LoggerR0)
1075	pVM->vmm.s.pR0LoggerR0->fFlushingDisabled = true;
1076	}
1077
1078
1079	/**
1080	* Enables flushing of the ring-0 debug log.
1081	*
1082	* @param pVCpu The shared virtual cpu structure.
1083	*/
1084	VMMR0DECL(void) VMMR0LogFlushEnable(PVMCPU pVCpu)
1085	{
1086	PVM pVM = pVCpu->pVMR0;
1087	if (pVM->vmm.s.pR0LoggerR0)
1088	pVM->vmm.s.pR0LoggerR0->fFlushingDisabled = false;
1089	}
1090
1091
1092	/**
1093	* Jump back to ring-3 if we're the EMT and the longjmp is armed.
1094	*
1095	* @returns true if the breakpoint should be hit, false if it should be ignored.
1096	*/
1097	DECLEXPORT(bool) RTCALL RTAssertShouldPanic(void)
1098	{
1099	#if 0
1100	return true;
1101	#else
1102	PVM pVM = GVMMR0GetVMByEMT(NIL_RTNATIVETHREAD);
1103	if (pVM)
1104	{
1105	#ifdef RT_ARCH_X86
1106	if (pVM->vmm.s.CallHostR0JmpBuf.eip)
1107	#else
1108	if (pVM->vmm.s.CallHostR0JmpBuf.rip)
1109	#endif
1110	{
1111	int rc = VMMR0CallHost(pVM, VMMCALLHOST_VM_R0_ASSERTION, 0);
1112	return RT_FAILURE_NP(rc);
1113	}
1114	}
1115	#ifdef RT_OS_LINUX
1116	return true;
1117	#else
1118	return false;
1119	#endif
1120	#endif
1121	}
1122
1123
1124	/**
1125	* Override this so we can push it up to ring-3.
1126	*
1127	* @param pszExpr Expression. Can be NULL.
1128	* @param uLine Location line number.
1129	* @param pszFile Location file name.
1130	* @param pszFunction Location function name.
1131	*/
1132	DECLEXPORT(void) RTCALL AssertMsg1(const char pszExpr, unsigned uLine, const char pszFile, const char *pszFunction)
1133	{
1134	#if !defined(DEBUG_sandervl) && !defined(RT_OS_DARWIN)
1135	SUPR0Printf("\n!!R0-Assertion Failed!!\n"
1136	"Expression: %s\n"
1137	"Location : %s(%d) %s\n",
1138	pszExpr, pszFile, uLine, pszFunction);
1139	#endif
1140	LogAlways(("\n!!R0-Assertion Failed!!\n"
1141	"Expression: %s\n"
1142	"Location : %s(%d) %s\n",
1143	pszExpr, pszFile, uLine, pszFunction));
1144
1145	PVM pVM = GVMMR0GetVMByEMT(NIL_RTNATIVETHREAD);
1146	if (pVM)
1147	RTStrPrintf(pVM->vmm.s.szRing0AssertMsg1, sizeof(pVM->vmm.s.szRing0AssertMsg1),
1148	"\n!!R0-Assertion Failed!!\n"
1149	"Expression: %s\n"
1150	"Location : %s(%d) %s\n",
1151	pszExpr, pszFile, uLine, pszFunction);
1152	#ifdef RT_OS_DARWIN
1153	RTAssertMsg1(pszExpr, uLine, pszFile, pszFunction);
1154	#endif
1155	}
1156
1157
1158	/**
1159	* Callback for RTLogFormatV which writes to the ring-3 log port.
1160	* See PFNLOGOUTPUT() for details.
1161	*/
1162	static DECLCALLBACK(size_t) rtLogOutput(void pv, const char pachChars, size_t cbChars)
1163	{
1164	for (size_t i = 0; i < cbChars; i++)
1165	{
1166	#if !defined(DEBUG_sandervl) && !defined(RT_OS_DARWIN)
1167	SUPR0Printf("%c", pachChars[i]);
1168	#endif
1169	LogAlways(("%c", pachChars[i]));
1170	}
1171
1172	return cbChars;
1173	}
1174
1175
1176	DECLEXPORT(void) RTCALL AssertMsg2(const char *pszFormat, ...)
1177	{
1178	va_list va;
1179
1180	PRTLOGGER pLog = RTLogDefaultInstance(); /** @todo we want this for release as well! */
1181	if (pLog)
1182	{
1183	va_start(va, pszFormat);
1184	RTLogFormatV(rtLogOutput, pLog, pszFormat, va);
1185	va_end(va);
1186
1187	PVM pVM = GVMMR0GetVMByEMT(NIL_RTNATIVETHREAD);
1188	if (pVM)
1189	{
1190	va_start(va, pszFormat);
1191	RTStrPrintfV(pVM->vmm.s.szRing0AssertMsg2, sizeof(pVM->vmm.s.szRing0AssertMsg2), pszFormat, va);
1192	va_end(va);
1193	}
1194	}
1195
1196	#ifdef RT_OS_DARWIN
1197	va_start(va, pszFormat);
1198	RTAssertMsg2V(pszFormat, va);
1199	va_end(va);
1200	#endif
1201	}
1202

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source: vbox/trunk/src/VBox/VMM/VMMR0/VMMR0.cpp@ 14719

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