MMHyper.cpp@ 12792

Last change on this file since 12792 was 12792, checked in by vboxsync, 17 years ago
#1865: some MM stuff.
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1	/* $Id: MMHyper.cpp 12792 2008-09-29 12:14:42Z vboxsync $ */
2	/** @file
3	* MM - Memory Monitor(/Manager) - Hypervisor Memory Area.
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
24
25	/*******************************************************************************
26	* Header Files *
27	*******************************************************************************/
28	#define LOG_GROUP LOG_GROUP_MM_HYPER
29	#include <VBox/pgm.h>
30	#include <VBox/mm.h>
31	#include <VBox/dbgf.h>
32	#include "MMInternal.h"
33	#include <VBox/vm.h>
34	#include <VBox/err.h>
35	#include <VBox/param.h>
36	#include <VBox/log.h>
37	#include <iprt/alloc.h>
38	#include <iprt/assert.h>
39	#include <iprt/string.h>
40
41
42	/*******************************************************************************
43	* Internal Functions *
44	*******************************************************************************/
45	static DECLCALLBACK(bool) mmR3HyperRelocateCallback(PVM pVM, RTGCPTR GCPtrOld, RTGCPTR GCPtrNew, PGMRELOCATECALL enmMode, void *pvUser);
46	static int mmR3HyperMap(PVM pVM, const size_t cb, const char pszDesc, PRTGCPTR pGCPtr, PMMLOOKUPHYPER ppLookup);
47	static int mmR3HyperHeapCreate(PVM pVM, const size_t cb, PMMHYPERHEAP *ppHeap);
48	static int mmR3HyperHeapMap(PVM pVM, PMMHYPERHEAP pHeap, PRTGCPTR ppHeapGC);
49	static DECLCALLBACK(void) mmR3HyperInfoHma(PVM pVM, PCDBGFINFOHLP pHlp, const char *pszArgs);
50
51
52	/**
53	* Initializes the hypvervisor related MM stuff without
54	* calling down to PGM.
55	*
56	* PGM is not initialized at this point, PGM relies on
57	* the heap to initialize.
58	*
59	* @returns VBox status.
60	*/
61	int mmR3HyperInit(PVM pVM)
62	{
63	LogFlow(("mmR3HyperInit:\n"));
64
65	/*
66	* Decide Hypervisor mapping in the guest context
67	* And setup various hypervisor area and heap parameters.
68	*/
69	pVM->mm.s.pvHyperAreaGC = (RTGCPTR)MM_HYPER_AREA_ADDRESS;
70	pVM->mm.s.cbHyperArea = MM_HYPER_AREA_MAX_SIZE;
71	AssertRelease(RT_ALIGN_T(pVM->mm.s.pvHyperAreaGC, 1 << X86_PD_SHIFT, RTGCPTR) == pVM->mm.s.pvHyperAreaGC);
72	Assert(pVM->mm.s.pvHyperAreaGC < 0xff000000);
73
74	uint32_t cbHyperHeap;
75	int rc = CFGMR3QueryU32(CFGMR3GetChild(CFGMR3GetRoot(pVM), "MM"), "cbHyperHeap", &cbHyperHeap);
76	if (rc == VERR_CFGM_NO_PARENT \|\| rc == VERR_CFGM_VALUE_NOT_FOUND)
77	cbHyperHeap = 1280*_1K;
78	else if (VBOX_FAILURE(rc))
79	{
80	LogRel(("MM/cbHyperHeap query -> %Vrc\n", rc));
81	AssertRCReturn(rc, rc);
82	}
83	cbHyperHeap = RT_ALIGN_32(cbHyperHeap, PAGE_SIZE);
84
85	/*
86	* Allocate the hypervisor heap.
87	*
88	* (This must be done before we start adding memory to the
89	* hypervisor static area because lookup records are allocated from it.)
90	*/
91	rc = mmR3HyperHeapCreate(pVM, cbHyperHeap, &pVM->mm.s.pHyperHeapHC);
92	if (VBOX_SUCCESS(rc))
93	{
94	/*
95	* Make a small head fence to fend of accidental sequential access.
96	*/
97	MMR3HyperReserve(pVM, PAGE_SIZE, "fence", NULL);
98
99	/*
100	* Map the VM structure into the hypervisor space.
101	*/
102	RTGCPTR GCPtr;
103	rc = MMR3HyperMapPages(pVM, pVM, pVM->pVMR0, RT_ALIGN_Z(sizeof(VM), PAGE_SIZE) >> PAGE_SHIFT, pVM->paVMPagesR3, "VM", &GCPtr);
104	if (VBOX_SUCCESS(rc))
105	{
106	pVM->pVMGC = (RTGCPTR32)GCPtr;
107	for (uint32_t i = 0; i < pVM->cCPUs; i++)
108	pVM->aCpus[i].pVMRC = pVM->pVMGC;
109
110	/* Reserve a page for fencing. */
111	MMR3HyperReserve(pVM, PAGE_SIZE, "fence", NULL);
112
113	/*
114	* Map the heap into the hypervisor space.
115	*/
116	rc = mmR3HyperHeapMap(pVM, pVM->mm.s.pHyperHeapHC, &GCPtr);
117	if (VBOX_SUCCESS(rc))
118	{
119	pVM->mm.s.pHyperHeapGC = (RTGCPTR32)GCPtr;
120
121	/*
122	* Register info handlers.
123	*/
124	DBGFR3InfoRegisterInternal(pVM, "hma", "Show the layout of the Hypervisor Memory Area.", mmR3HyperInfoHma);
125
126	LogFlow(("mmR3HyperInit: returns VINF_SUCCESS\n"));
127	return VINF_SUCCESS;
128	}
129	/* Caller will do proper cleanup. */
130	}
131	}
132
133	LogFlow(("mmR3HyperInit: returns %Vrc\n", rc));
134	return rc;
135	}
136
137
138	/**
139	* Finalizes the HMA mapping.
140	*
141	* This is called later during init, most (all) HMA allocations should be done
142	* by the time this function is called.
143	*
144	* @returns VBox status.
145	*/
146	MMR3DECL(int) MMR3HyperInitFinalize(PVM pVM)
147	{
148	LogFlow(("MMR3HyperInitFinalize:\n"));
149
150	/*
151	* Adjust and create the HMA mapping.
152	*/
153	while ((RTINT)pVM->mm.s.offHyperNextStatic + 64*_1K < (RTINT)pVM->mm.s.cbHyperArea - _4M)
154	pVM->mm.s.cbHyperArea -= _4M;
155	int rc = PGMR3MapPT(pVM, pVM->mm.s.pvHyperAreaGC, pVM->mm.s.cbHyperArea,
156	mmR3HyperRelocateCallback, NULL, "Hypervisor Memory Area");
157	if (VBOX_FAILURE(rc))
158	return rc;
159	pVM->mm.s.fPGMInitialized = true;
160
161	/*
162	* Do all the delayed mappings.
163	*/
164	PMMLOOKUPHYPER pLookup = (PMMLOOKUPHYPER)((uintptr_t)pVM->mm.s.pHyperHeapHC + pVM->mm.s.offLookupHyper);
165	for (;;)
166	{
167	RTGCPTR GCPtr = pVM->mm.s.pvHyperAreaGC + pLookup->off;
168	unsigned cPages = pLookup->cb >> PAGE_SHIFT;
169	switch (pLookup->enmType)
170	{
171	case MMLOOKUPHYPERTYPE_LOCKED:
172	rc = mmR3MapLocked(pVM, pLookup->u.Locked.pLockedMem, GCPtr, 0, cPages, 0);
173	break;
174
175	case MMLOOKUPHYPERTYPE_HCPHYS:
176	rc = PGMMap(pVM, GCPtr, pLookup->u.HCPhys.HCPhys, pLookup->cb, 0);
177	break;
178
179	case MMLOOKUPHYPERTYPE_GCPHYS:
180	{
181	const RTGCPHYS GCPhys = pLookup->u.GCPhys.GCPhys;
182	const size_t cb = pLookup->cb;
183	for (unsigned off = 0; off < cb; off += PAGE_SIZE)
184	{
185	RTHCPHYS HCPhys;
186	rc = PGMPhysGCPhys2HCPhys(pVM, GCPhys + off, &HCPhys);
187	if (VBOX_FAILURE(rc))
188	break;
189	rc = PGMMap(pVM, GCPtr + off, HCPhys, PAGE_SIZE, 0);
190	if (VBOX_FAILURE(rc))
191	break;
192	}
193	break;
194	}
195
196	case MMLOOKUPHYPERTYPE_MMIO2:
197	{
198	const RTGCPHYS offEnd = pLookup->u.MMIO2.off + pLookup->cb;
199	for (RTGCPHYS offCur = pLookup->u.MMIO2.off; offCur < offEnd; offCur += PAGE_SIZE)
200	{
201	RTHCPHYS HCPhys;
202	rc = PGMR3PhysMMIO2GetHCPhys(pVM, pLookup->u.MMIO2.pDevIns, pLookup->u.MMIO2.iRegion, offCur, &HCPhys);
203	if (RT_FAILURE(rc))
204	break;
205	rc = PGMMap(pVM, GCPtr + (offCur - pLookup->u.MMIO2.off), HCPhys, PAGE_SIZE, 0);
206	if (RT_FAILURE(rc))
207	break;
208	}
209	break;
210	}
211
212	case MMLOOKUPHYPERTYPE_DYNAMIC:
213	/* do nothing here since these are either fences or managed by someone else using PGM. */
214	break;
215
216	default:
217	AssertMsgFailed(("enmType=%d\n", pLookup->enmType));
218	break;
219	}
220
221	if (VBOX_FAILURE(rc))
222	{
223	AssertMsgFailed(("rc=%Vrc cb=%d GCPtr=%VGv enmType=%d pszDesc=%s\n",
224	rc, pLookup->cb, pLookup->enmType, pLookup->pszDesc));
225	return rc;
226	}
227
228	/* next */
229	if (pLookup->offNext == (int32_t)NIL_OFFSET)
230	break;
231	pLookup = (PMMLOOKUPHYPER)((uintptr_t)pLookup + pLookup->offNext);
232	}
233
234	LogFlow(("MMR3HyperInitFinalize: returns VINF_SUCCESS\n"));
235	return VINF_SUCCESS;
236	}
237
238
239	/**
240	* Callback function which will be called when PGM is trying to find
241	* a new location for the mapping.
242	*
243	* The callback is called in two modes, 1) the check mode and 2) the relocate mode.
244	* In 1) the callback should say if it objects to a suggested new location. If it
245	* accepts the new location, it is called again for doing it's relocation.
246	*
247	*
248	* @returns true if the location is ok.
249	* @returns false if another location should be found.
250	* @param pVM The VM handle.
251	* @param GCPtrOld The old virtual address.
252	* @param GCPtrNew The new virtual address.
253	* @param enmMode Used to indicate the callback mode.
254	* @param pvUser User argument. Ignored.
255	* @remark The return value is no a failure indicator, it's an acceptance
256	* indicator. Relocation can not fail!
257	*/
258	static DECLCALLBACK(bool) mmR3HyperRelocateCallback(PVM pVM, RTGCPTR GCPtrOld, RTGCPTR GCPtrNew, PGMRELOCATECALL enmMode, void *pvUser)
259	{
260	switch (enmMode)
261	{
262	/*
263	* Verify location - all locations are good for us.
264	*/
265	case PGMRELOCATECALL_SUGGEST:
266	return true;
267
268	/*
269	* Execute the relocation.
270	*/
271	case PGMRELOCATECALL_RELOCATE:
272	{
273	/*
274	* Accepted!
275	*/
276	AssertMsg(GCPtrOld == pVM->mm.s.pvHyperAreaGC, ("GCPtrOld=%VGv pVM->mm.s.pvHyperAreaGC=%VGv\n", GCPtrOld, pVM->mm.s.pvHyperAreaGC));
277	Log(("Relocating the hypervisor from %VGv to %VGv\n", GCPtrOld, GCPtrNew));
278
279	/*
280	* Relocate the VM structure and ourselves.
281	*/
282	RTGCINTPTR offDelta = GCPtrNew - GCPtrOld;
283	pVM->pVMGC += offDelta;
284	for (uint32_t i = 0; i < pVM->cCPUs; i++)
285	pVM->aCpus[i].pVMRC = pVM->pVMGC;
286
287	pVM->mm.s.pvHyperAreaGC += offDelta;
288	pVM->mm.s.pHyperHeapGC += offDelta;
289	pVM->mm.s.pHyperHeapHC->pbHeapRC += offDelta;
290	pVM->mm.s.pHyperHeapHC->pVMRC = pVM->pVMGC;
291
292	/*
293	* Relocate the rest.
294	*/
295	VMR3Relocate(pVM, offDelta);
296	return true;
297	}
298
299	default:
300	AssertMsgFailed(("Invalid relocation mode %d\n", enmMode));
301	}
302
303	return false;
304	}
305
306
307	/**
308	* Maps contiguous HC physical memory into the hypervisor region in the GC.
309	*
310	* @return VBox status code.
311	*
312	* @param pVM VM handle.
313	* @param pvHC Host context address of the memory. Must be page aligned!
314	* @param HCPhys Host context physical address of the memory to be mapped. Must be page aligned!
315	* @param cb Size of the memory. Will be rounded up to nearest page.
316	* @param pszDesc Description.
317	* @param pGCPtr Where to store the GC address.
318	*/
319	MMR3DECL(int) MMR3HyperMapHCPhys(PVM pVM, void pvHC, RTHCPHYS HCPhys, size_t cb, const char pszDesc, PRTGCPTR pGCPtr)
320	{
321	LogFlow(("MMR3HyperMapHCPhys: pvHc=%p HCPhys=%VHp cb=%d pszDesc=%p:{%s} pGCPtr=%p\n", pvHC, HCPhys, (int)cb, pszDesc, pszDesc, pGCPtr));
322
323	/*
324	* Validate input.
325	*/
326	AssertReturn(RT_ALIGN_P(pvHC, PAGE_SIZE) == pvHC, VERR_INVALID_PARAMETER);
327	AssertReturn(RT_ALIGN_T(HCPhys, PAGE_SIZE, RTHCPHYS) == HCPhys, VERR_INVALID_PARAMETER);
328	AssertReturn(pszDesc && *pszDesc, VERR_INVALID_PARAMETER);
329
330	/*
331	* Add the memory to the hypervisor area.
332	*/
333	uint32_t cbAligned = RT_ALIGN_32(cb, PAGE_SIZE);
334	AssertReturn(cbAligned >= cb, VERR_INVALID_PARAMETER);
335	RTGCPTR GCPtr;
336	PMMLOOKUPHYPER pLookup;
337	int rc = mmR3HyperMap(pVM, cbAligned, pszDesc, &GCPtr, &pLookup);
338	if (VBOX_SUCCESS(rc))
339	{
340	pLookup->enmType = MMLOOKUPHYPERTYPE_HCPHYS;
341	pLookup->u.HCPhys.pvHC = pvHC;
342	pLookup->u.HCPhys.HCPhys = HCPhys;
343
344	/*
345	* Update the page table.
346	*/
347	if (pVM->mm.s.fPGMInitialized)
348	rc = PGMMap(pVM, GCPtr, HCPhys, cbAligned, 0);
349	if (VBOX_SUCCESS(rc))
350	*pGCPtr = GCPtr;
351	}
352	return rc;
353	}
354
355
356	/**
357	* Maps contiguous GC physical memory into the hypervisor region in the GC.
358	*
359	* @return VBox status code.
360	*
361	* @param pVM VM handle.
362	* @param GCPhys Guest context physical address of the memory to be mapped. Must be page aligned!
363	* @param cb Size of the memory. Will be rounded up to nearest page.
364	* @param pszDesc Mapping description.
365	* @param pGCPtr Where to store the GC address.
366	*/
367	MMR3DECL(int) MMR3HyperMapGCPhys(PVM pVM, RTGCPHYS GCPhys, size_t cb, const char *pszDesc, PRTGCPTR pGCPtr)
368	{
369	LogFlow(("MMR3HyperMapGCPhys: GCPhys=%VGp cb=%d pszDesc=%p:{%s} pGCPtr=%p\n", GCPhys, (int)cb, pszDesc, pszDesc, pGCPtr));
370
371	/*
372	* Validate input.
373	*/
374	AssertReturn(RT_ALIGN_T(GCPhys, PAGE_SIZE, RTGCPHYS) == GCPhys, VERR_INVALID_PARAMETER);
375	AssertReturn(pszDesc && *pszDesc, VERR_INVALID_PARAMETER);
376
377	/*
378	* Add the memory to the hypervisor area.
379	*/
380	cb = RT_ALIGN_Z(cb, PAGE_SIZE);
381	RTGCPTR GCPtr;
382	PMMLOOKUPHYPER pLookup;
383	int rc = mmR3HyperMap(pVM, cb, pszDesc, &GCPtr, &pLookup);
384	if (VBOX_SUCCESS(rc))
385	{
386	pLookup->enmType = MMLOOKUPHYPERTYPE_GCPHYS;
387	pLookup->u.GCPhys.GCPhys = GCPhys;
388
389	/*
390	* Update the page table.
391	*/
392	for (unsigned off = 0; off < cb; off += PAGE_SIZE)
393	{
394	RTHCPHYS HCPhys;
395	rc = PGMPhysGCPhys2HCPhys(pVM, GCPhys + off, &HCPhys);
396	AssertRC(rc);
397	if (VBOX_FAILURE(rc))
398	{
399	AssertMsgFailed(("rc=%Vrc GCPhys=%VGv off=%#x %s\n", rc, GCPhys, off, pszDesc));
400	break;
401	}
402	if (pVM->mm.s.fPGMInitialized)
403	{
404	rc = PGMMap(pVM, GCPtr + off, HCPhys, PAGE_SIZE, 0);
405	AssertRC(rc);
406	if (VBOX_FAILURE(rc))
407	{
408	AssertMsgFailed(("rc=%Vrc GCPhys=%VGv off=%#x %s\n", rc, GCPhys, off, pszDesc));
409	break;
410	}
411	}
412	}
413
414	if (VBOX_SUCCESS(rc) && pGCPtr)
415	*pGCPtr = GCPtr;
416	}
417	return rc;
418	}
419
420
421	/**
422	* Maps a portion of an MMIO2 region into the hypervisor region.
423	*
424	* Callers of this API must never deregister the MMIO2 region before the
425	* VM is powered off. If this becomes a requirement MMR3HyperUnmapMMIO2
426	* API will be needed to perform cleanups.
427	*
428	* @return VBox status code.
429	*
430	* @param pVM Pointer to the shared VM structure.
431	* @param pDevIns The device owning the MMIO2 memory.
432	* @param iRegion The region.
433	* @param off The offset into the region. Will be rounded down to closest page boundrary.
434	* @param cb The number of bytes to map. Will be rounded up to the closest page boundrary.
435	* @param pszDesc Mapping description.
436	* @param pRCPtr Where to store the RC address.
437	*/
438	MMR3DECL(int) MMR3HyperMapMMIO2(PVM pVM, PPDMDEVINS pDevIns, uint32_t iRegion, RTGCPHYS off, RTGCPHYS cb,
439	const char *pszDesc, PRTRCPTR pRCPtr)
440	{
441	LogFlow(("MMR3HyperMapMMIO2: pDevIns=%p iRegion=%#x off=%VGp cb=%VGp pszDesc=%p:{%s} pRCPtr=%p\n",
442	pDevIns, iRegion, off, cb, pszDesc, pszDesc, pRCPtr));
443	int rc;
444
445	/*
446	* Validate input.
447	*/
448	AssertReturn(pszDesc && *pszDesc, VERR_INVALID_PARAMETER);
449	AssertReturn(off + cb > off, VERR_INVALID_PARAMETER);
450	uint32_t const offPage = off & PAGE_OFFSET_MASK;
451	off &= ~(RTGCPHYS)PAGE_OFFSET_MASK;
452	cb += offPage;
453	cb = RT_ALIGN_Z(cb, PAGE_SIZE);
454	const RTGCPHYS offEnd = off + cb;
455	AssertReturn(offEnd > off, VERR_INVALID_PARAMETER);
456	for (RTGCPHYS offCur = off; offCur < offEnd; offCur += PAGE_SIZE)
457	{
458	RTHCPHYS HCPhys;
459	rc = PGMR3PhysMMIO2GetHCPhys(pVM, pDevIns, iRegion, offCur, &HCPhys);
460	AssertMsgRCReturn(rc, ("rc=%Rrc - iRegion=%d off=%RGp\n", rc, iRegion, off), rc);
461	}
462
463	/*
464	* Add the memory to the hypervisor area.
465	*/
466	RTGCPTR GCPtr;
467	PMMLOOKUPHYPER pLookup;
468	rc = mmR3HyperMap(pVM, cb, pszDesc, &GCPtr, &pLookup);
469	if (VBOX_SUCCESS(rc))
470	{
471	pLookup->enmType = MMLOOKUPHYPERTYPE_MMIO2;
472	pLookup->u.MMIO2.pDevIns = pDevIns;
473	pLookup->u.MMIO2.iRegion = iRegion;
474	pLookup->u.MMIO2.off = off;
475
476	/*
477	* Update the page table.
478	*/
479	if (pVM->mm.s.fPGMInitialized)
480	{
481	for (RTGCPHYS offCur = off; offCur < offEnd; offCur += PAGE_SIZE)
482	{
483	RTHCPHYS HCPhys;
484	rc = PGMR3PhysMMIO2GetHCPhys(pVM, pDevIns, iRegion, offCur, &HCPhys);
485	AssertRCReturn(rc, VERR_INTERNAL_ERROR);
486	rc = PGMMap(pVM, GCPtr + (offCur - off), HCPhys, PAGE_SIZE, 0);
487	if (VBOX_FAILURE(rc))
488	{
489	AssertMsgFailed(("rc=%Vrc offCur=%RGp %s\n", rc, offCur, pszDesc));
490	break;
491	}
492	}
493	}
494
495	if (VBOX_SUCCESS(rc))
496	{
497	GCPtr \|= offPage;
498	*pRCPtr = GCPtr;
499	AssertLogRelReturn(*pRCPtr == GCPtr, VERR_INTERNAL_ERROR);
500	}
501	}
502	return rc;
503	}
504
505
506
507
508	/**
509	* Locks and Maps HC virtual memory into the hypervisor region in the GC.
510	*
511	* @return VBox status code.
512	*
513	* @param pVM VM handle.
514	* @param pvHC Host context address of the memory (may be not page aligned).
515	* @param cb Size of the memory. Will be rounded up to nearest page.
516	* @param fFree Set this if MM is responsible for freeing the memory using SUPPageFree.
517	* @param pszDesc Mapping description.
518	* @param pGCPtr Where to store the GC address corresponding to pvHC.
519	*/
520	MMR3DECL(int) MMR3HyperMapHCRam(PVM pVM, void pvHC, size_t cb, bool fFree, const char pszDesc, PRTGCPTR pGCPtr)
521	{
522	LogFlow(("MMR3HyperMapHCRam: pvHc=%p cb=%d fFree=%d pszDesc=%p:{%s} pGCPtr=%p\n", pvHC, (int)cb, fFree, pszDesc, pszDesc, pGCPtr));
523
524	/*
525	* Validate input.
526	*/
527	if ( !pvHC
528	\|\| cb <= 0
529	\|\| !pszDesc
530	\|\| !*pszDesc)
531	{
532	AssertMsgFailed(("Invalid parameter\n"));
533	return VERR_INVALID_PARAMETER;
534	}
535
536	/*
537	* Page align address and size.
538	*/
539	void pvHCPage = (void )((uintptr_t)pvHC & PAGE_BASE_HC_MASK);
540	cb += (uintptr_t)pvHC & PAGE_OFFSET_MASK;
541	cb = RT_ALIGN_Z(cb, PAGE_SIZE);
542
543	/*
544	* Add the memory to the hypervisor area.
545	*/
546	RTGCPTR GCPtr;
547	PMMLOOKUPHYPER pLookup;
548	int rc = mmR3HyperMap(pVM, cb, pszDesc, &GCPtr, &pLookup);
549	if (VBOX_SUCCESS(rc))
550	{
551	/*
552	* Lock the heap memory and tell PGM about the locked pages.
553	*/
554	PMMLOCKEDMEM pLockedMem;
555	rc = mmR3LockMem(pVM, pvHCPage, cb, fFree ? MM_LOCKED_TYPE_HYPER : MM_LOCKED_TYPE_HYPER_NOFREE, &pLockedMem, false /* fSilentFailure */);
556	if (VBOX_SUCCESS(rc))
557	{
558	/* map the stuff into guest address space. */
559	if (pVM->mm.s.fPGMInitialized)
560	rc = mmR3MapLocked(pVM, pLockedMem, GCPtr, 0, ~(size_t)0, 0);
561	if (VBOX_SUCCESS(rc))
562	{
563	pLookup->enmType = MMLOOKUPHYPERTYPE_LOCKED;
564	pLookup->u.Locked.pvHC = pvHC;
565	pLookup->u.Locked.pvR0 = NIL_RTR0PTR;
566	pLookup->u.Locked.pLockedMem = pLockedMem;
567
568	/* done. */
569	GCPtr \|= (uintptr_t)pvHC & PAGE_OFFSET_MASK;
570	*pGCPtr = GCPtr;
571	return rc;
572	}
573	/* Don't care about failure clean, we're screwed if this fails anyway. */
574	}
575	}
576
577	return rc;
578	}
579
580
581	/**
582	* Maps locked R3 virtual memory into the hypervisor region in the GC.
583	*
584	* @return VBox status code.
585	*
586	* @param pVM VM handle.
587	* @param pvR3 The ring-3 address of the memory, must be page aligned.
588	* @param pvR0 The ring-0 address of the memory, must be page aligned. (optional)
589	* @param cPages The number of pages.
590	* @param paPages The page descriptors.
591	* @param pszDesc Mapping description.
592	* @param pGCPtr Where to store the GC address corresponding to pvHC.
593	*/
594	MMR3DECL(int) MMR3HyperMapPages(PVM pVM, void pvR3, RTR0PTR pvR0, size_t cPages, PCSUPPAGE paPages, const char pszDesc, PRTGCPTR pGCPtr)
595	{
596	LogFlow(("MMR3HyperMapPages: pvR3=%p pvR0=%p cPages=%zu paPages=%p pszDesc=%p:{%s} pGCPtr=%p\n",
597	pvR3, pvR0, cPages, paPages, pszDesc, pszDesc, pGCPtr));
598
599	/*
600	* Validate input.
601	*/
602	AssertPtrReturn(pvR3, VERR_INVALID_POINTER);
603	AssertPtrReturn(paPages, VERR_INVALID_POINTER);
604	AssertReturn(cPages > 0, VERR_INVALID_PARAMETER);
605	AssertReturn(cPages < 1024, VERR_INVALID_PARAMETER);
606	AssertPtrReturn(pszDesc, VERR_INVALID_POINTER);
607	AssertReturn(*pszDesc, VERR_INVALID_PARAMETER);
608	AssertPtrReturn(pGCPtr, VERR_INVALID_PARAMETER);
609
610	/*
611	* Add the memory to the hypervisor area.
612	*/
613	RTGCPTR GCPtr;
614	PMMLOOKUPHYPER pLookup;
615	int rc = mmR3HyperMap(pVM, cPages << PAGE_SHIFT, pszDesc, &GCPtr, &pLookup);
616	if (VBOX_SUCCESS(rc))
617	{
618	/*
619	* Create a locked memory record and tell PGM about this.
620	*/
621	PMMLOCKEDMEM pLockedMem = (PMMLOCKEDMEM)MMR3HeapAlloc(pVM, MM_TAG_MM, RT_OFFSETOF(MMLOCKEDMEM, aPhysPages[cPages]));
622	if (pLockedMem)
623	{
624	pLockedMem->pv = pvR3;
625	pLockedMem->cb = cPages << PAGE_SHIFT;
626	pLockedMem->eType = MM_LOCKED_TYPE_HYPER_PAGES;
627	memset(&pLockedMem->u, 0, sizeof(pLockedMem->u));
628	for (size_t i = 0; i < cPages; i++)
629	{
630	AssertReleaseReturn(paPages[i].Phys != 0 && paPages[i].Phys != NIL_RTHCPHYS && !(paPages[i].Phys & PAGE_OFFSET_MASK), VERR_INTERNAL_ERROR);
631	pLockedMem->aPhysPages[i].Phys = paPages[i].Phys;
632	pLockedMem->aPhysPages[i].uReserved = (RTHCUINTPTR)pLockedMem;
633	}
634
635	/* map the stuff into guest address space. */
636	if (pVM->mm.s.fPGMInitialized)
637	rc = mmR3MapLocked(pVM, pLockedMem, GCPtr, 0, ~(size_t)0, 0);
638	if (VBOX_SUCCESS(rc))
639	{
640	pLookup->enmType = MMLOOKUPHYPERTYPE_LOCKED;
641	pLookup->u.Locked.pvHC = pvR3;
642	pLookup->u.Locked.pvR0 = pvR0;
643	pLookup->u.Locked.pLockedMem = pLockedMem;
644
645	/* done. */
646	*pGCPtr = GCPtr;
647	return rc;
648	}
649	/* Don't care about failure clean, we're screwed if this fails anyway. */
650	}
651	}
652
653	return rc;
654	}
655
656
657	/**
658	* Reserves a hypervisor memory area.
659	* Most frequent usage is fence pages and dynamically mappings like the guest PD and PDPT.
660	*
661	* @return VBox status code.
662	*
663	* @param pVM VM handle.
664	* @param cb Size of the memory. Will be rounded up to nearest page.
665	* @param pszDesc Mapping description.
666	* @param pGCPtr Where to store the assigned GC address. Optional.
667	*/
668	MMR3DECL(int) MMR3HyperReserve(PVM pVM, unsigned cb, const char *pszDesc, PRTGCPTR pGCPtr)
669	{
670	LogFlow(("MMR3HyperMapHCRam: cb=%d pszDesc=%p:{%s} pGCPtr=%p\n", (int)cb, pszDesc, pszDesc, pGCPtr));
671
672	/*
673	* Validate input.
674	*/
675	if ( cb <= 0
676	\|\| !pszDesc
677	\|\| !*pszDesc)
678	{
679	AssertMsgFailed(("Invalid parameter\n"));
680	return VERR_INVALID_PARAMETER;
681	}
682
683	/*
684	* Add the memory to the hypervisor area.
685	*/
686	RTGCPTR GCPtr;
687	PMMLOOKUPHYPER pLookup;
688	int rc = mmR3HyperMap(pVM, cb, pszDesc, &GCPtr, &pLookup);
689	if (VBOX_SUCCESS(rc))
690	{
691	pLookup->enmType = MMLOOKUPHYPERTYPE_DYNAMIC;
692	if (pGCPtr)
693	*pGCPtr = GCPtr;
694	return VINF_SUCCESS;
695	}
696	return rc;
697	}
698
699
700	/**
701	* Adds memory to the hypervisor memory arena.
702	*
703	* @return VBox status code.
704	* @param pVM The VM handle.
705	* @param cb Size of the memory. Will be rounded up to neares page.
706	* @param pszDesc The description of the memory.
707	* @param pGCPtr Where to store the GC address.
708	* @param ppLookup Where to store the pointer to the lookup record.
709	* @remark We assume the threading structure of VBox imposes natural
710	* serialization of most functions, this one included.
711	*/
712	static int mmR3HyperMap(PVM pVM, const size_t cb, const char pszDesc, PRTGCPTR pGCPtr, PMMLOOKUPHYPER ppLookup)
713	{
714	/*
715	* Validate input.
716	*/
717	const uint32_t cbAligned = RT_ALIGN(cb, PAGE_SIZE);
718	AssertReturn(cbAligned >= cb, VERR_INVALID_PARAMETER);
719	if (pVM->mm.s.offHyperNextStatic + cbAligned >= pVM->mm.s.cbHyperArea) /* don't use the last page, it's a fence. */
720	{
721	AssertMsgFailed(("Out of static mapping space in the HMA! offHyperAreaGC=%x cbAligned=%x\n",
722	pVM->mm.s.offHyperNextStatic, cbAligned));
723	return VERR_NO_MEMORY;
724	}
725
726	/*
727	* Allocate lookup record.
728	*/
729	PMMLOOKUPHYPER pLookup;
730	int rc = MMHyperAlloc(pVM, sizeof(pLookup), 1, MM_TAG_MM, (void *)&pLookup);
731	if (VBOX_SUCCESS(rc))
732	{
733	/*
734	* Initialize it and insert it.
735	*/
736	pLookup->offNext = pVM->mm.s.offLookupHyper;
737	pLookup->cb = cbAligned;
738	pLookup->off = pVM->mm.s.offHyperNextStatic;
739	pVM->mm.s.offLookupHyper = (char )pLookup - (char )pVM->mm.s.pHyperHeapHC;
740	if (pLookup->offNext != (int32_t)NIL_OFFSET)
741	pLookup->offNext -= pVM->mm.s.offLookupHyper;
742	pLookup->enmType = MMLOOKUPHYPERTYPE_INVALID;
743	memset(&pLookup->u, 0xff, sizeof(pLookup->u));
744	pLookup->pszDesc = pszDesc;
745
746	/* Mapping. */
747	*pGCPtr = pVM->mm.s.pvHyperAreaGC + pVM->mm.s.offHyperNextStatic;
748	pVM->mm.s.offHyperNextStatic += cbAligned;
749
750	/* Return pointer. */
751	*ppLookup = pLookup;
752	}
753
754	AssertRC(rc);
755	LogFlow(("mmR3HyperMap: returns %Vrc pGCPtr=%VGv\n", rc, pGCPtr));
756	return rc;
757	}
758
759
760	/**
761	* Allocates a new heap.
762	*
763	* @returns VBox status code.
764	* @param pVM The VM handle.
765	* @param cb The size of the new heap.
766	* @param ppHeap Where to store the heap pointer on successful return.
767	*/
768	static int mmR3HyperHeapCreate(PVM pVM, const size_t cb, PMMHYPERHEAP *ppHeap)
769	{
770	/*
771	* Allocate the hypervisor heap.
772	*/
773	const uint32_t cbAligned = RT_ALIGN_Z(cb, PAGE_SIZE);
774	AssertReturn(cbAligned >= cb, VERR_INVALID_PARAMETER);
775	void *pv;
776	int rc = SUPPageAlloc(cbAligned >> PAGE_SHIFT, &pv);
777	if (VBOX_SUCCESS(rc))
778	{
779	/*
780	* Initialize the heap and first free chunk.
781	*/
782	PMMHYPERHEAP pHeap = (PMMHYPERHEAP)pv;
783	pHeap->u32Magic = MMHYPERHEAP_MAGIC;
784	pHeap->pbHeapR3 = (uint8_t *)pHeap + MMYPERHEAP_HDR_SIZE;
785	pHeap->pbHeapR0 = (uintptr_t)pHeap->pbHeapR3; /** @todo #1865: Map heap into ring-0 on darwin. */
786	//pHeap->pbHeapGC = 0; // set by mmR3HyperHeapMap()
787	pHeap->pVMR3 = pVM;
788	pHeap->pVMR0 = pVM->pVMR0;
789	pHeap->pVMRC = pVM->pVMGC;
790	pHeap->cbHeap = cbAligned - MMYPERHEAP_HDR_SIZE;
791	pHeap->cbFree = pHeap->cbHeap - sizeof(MMHYPERCHUNK);
792	//pHeap->offFreeHead = 0;
793	//pHeap->offFreeTail = 0;
794	pHeap->offPageAligned = pHeap->cbHeap;
795	//pHeap->HyperHeapStatTree = 0;
796
797	PMMHYPERCHUNKFREE pFree = (PMMHYPERCHUNKFREE)pHeap->pbHeapR3;
798	pFree->cb = pHeap->cbFree;
799	//pFree->core.offNext = 0;
800	MMHYPERCHUNK_SET_TYPE(&pFree->core, MMHYPERCHUNK_FLAGS_FREE);
801	pFree->core.offHeap = -(int32_t)MMYPERHEAP_HDR_SIZE;
802	//pFree->offNext = 0;
803	//pFree->offPrev = 0;
804
805	STAMR3Register(pVM, &pHeap->cbHeap, STAMTYPE_U32, STAMVISIBILITY_ALWAYS, "/MM/HyperHeap/cbHeap", STAMUNIT_BYTES, "The heap size.");
806	STAMR3Register(pVM, &pHeap->cbFree, STAMTYPE_U32, STAMVISIBILITY_ALWAYS, "/MM/HyperHeap/cbFree", STAMUNIT_BYTES, "The free space.");
807
808	*ppHeap = pHeap;
809	return VINF_SUCCESS;
810	}
811	AssertMsgFailed(("SUPPageAlloc(%d,) -> %Vrc\n", cbAligned >> PAGE_SHIFT, rc));
812
813	*ppHeap = NULL;
814	return rc;
815	}
816
817
818	/**
819	* Allocates a new heap.
820	*/
821	static int mmR3HyperHeapMap(PVM pVM, PMMHYPERHEAP pHeap, PRTGCPTR ppHeapGC)
822	{
823	int rc = MMR3HyperMapHCRam(pVM, pHeap, pHeap->cbHeap + MMYPERHEAP_HDR_SIZE, true, "Heap", ppHeapGC);
824	if (VBOX_SUCCESS(rc))
825	{
826	pHeap->pVMRC = pVM->pVMGC;
827	pHeap->pbHeapRC = *ppHeapGC + MMYPERHEAP_HDR_SIZE;
828	/* Reserve a page for fencing. */
829	MMR3HyperReserve(pVM, PAGE_SIZE, "fence", NULL);
830	}
831	return rc;
832	}
833
834
835	#if 0
836	/**
837	* Destroys a heap.
838	*/
839	static int mmR3HyperHeapDestroy(PVM pVM, PMMHYPERHEAP pHeap)
840	{
841	/* all this is dealt with when unlocking and freeing locked memory. */
842	}
843	#endif
844
845
846	/**
847	* Allocates memory in the Hypervisor (GC VMM) area which never will
848	* be freed and doesn't have any offset based relation to other heap blocks.
849	*
850	* The latter means that two blocks allocated by this API will not have the
851	* same relative position to each other in GC and HC. In short, never use
852	* this API for allocating nodes for an offset based AVL tree!
853	*
854	* The returned memory is of course zeroed.
855	*
856	* @returns VBox status code.
857	* @param pVM The VM to operate on.
858	* @param cb Number of bytes to allocate.
859	* @param uAlignment Required memory alignment in bytes.
860	* Values are 0,8,16,32 and PAGE_SIZE.
861	* 0 -> default alignment, i.e. 8 bytes.
862	* @param enmTag The statistics tag.
863	* @param ppv Where to store the address to the allocated
864	* memory.
865	* @remark This is assumed not to be used at times when serialization is required.
866	*/
867	MMDECL(int) MMR3HyperAllocOnceNoRel(PVM pVM, size_t cb, unsigned uAlignment, MMTAG enmTag, void **ppv)
868	{
869	AssertMsg(cb >= 8, ("Hey! Do you really mean to allocate less than 8 bytes?! cb=%d\n", cb));
870
871	/*
872	* Choose between allocating a new chunk of HMA memory
873	* and the heap. We will only do BIG allocations from HMA.
874	*/
875	if ( cb < _64K
876	&& ( uAlignment != PAGE_SIZE
877	\|\| cb < 48*_1K))
878	{
879	int rc = MMHyperAlloc(pVM, cb, uAlignment, enmTag, ppv);
880	if ( rc != VERR_MM_HYPER_NO_MEMORY
881	\|\| cb <= 8*_1K)
882	{
883	Log2(("MMR3HyperAllocOnceNoRel: cb=%#zx uAlignment=%#x returns %Rrc and *ppv=%p\n",
884	cb, uAlignment, rc, *ppv));
885	return rc;
886	}
887	}
888
889	/*
890	* Validate alignment.
891	*/
892	switch (uAlignment)
893	{
894	case 0:
895	case 8:
896	case 16:
897	case 32:
898	case PAGE_SIZE:
899	break;
900	default:
901	AssertMsgFailed(("Invalid alignment %u\n", uAlignment));
902	return VERR_INVALID_PARAMETER;
903	}
904
905	/*
906	* Allocate the pages and the HMA space.
907	*/
908	cb = RT_ALIGN(cb, PAGE_SIZE);
909	void *pvPages;
910	int rc = SUPPageAlloc(cb >> PAGE_SHIFT, &pvPages);
911	if (VBOX_SUCCESS(rc))
912	{
913	RTGCPTR GCPtr;
914	rc = MMR3HyperMapHCRam(pVM, pvPages, cb, true, mmR3GetTagName(enmTag), &GCPtr);
915	if (VBOX_SUCCESS(rc))
916	{
917	*ppv = pvPages;
918	Log2(("MMR3HyperAllocOnceNoRel: cb=%#x uAlignment=%#x returns VINF_SUCCESS and *ppv=%p\n",
919	cb, uAlignment, *ppv));
920	return rc;
921	}
922	AssertMsgFailed(("Failed to allocate %zd bytes! %Rrc\n", cb, rc));
923	SUPPageFree(pvPages, cb >> PAGE_SHIFT);
924
925	/*
926	* HACK ALERT! Try allocate it off the heap so that we don't freak
927	* out during vga/vmmdev mmio2 allocation with certain ram sizes.
928	*/
929	/** @todo make a proper fix for this so we will never end up in this kind of situation! */
930	Log(("MMR3HyperAllocOnceNoRel: MMR3HyperMapHCRam failed with rc=%Rrc, try MMHyperAlloc(,%#d,,) instead\n", rc, cb));
931	int rc2 = MMHyperAlloc(pVM, cb, uAlignment, enmTag, ppv);
932	if (RT_SUCCESS(rc2))
933	{
934	Log2(("MMR3HyperAllocOnceNoRel: cb=%#x uAlignment=%#x returns %Rrc and *ppv=%p\n",
935	cb, uAlignment, rc, *ppv));
936	return rc;
937	}
938	}
939	else
940	AssertMsgFailed(("Failed to allocate %zd bytes! %Rrc\n", cb, rc));
941
942	if (rc == VERR_NO_MEMORY)
943	rc = VERR_MM_HYPER_NO_MEMORY;
944	LogRel(("MMR3HyperAllocOnceNoRel: cb=%#zx uAlignment=%#x returns %Rrc\n", cb, uAlignment, rc));
945	return rc;
946	}
947
948
949	/**
950	* Convert hypervisor HC virtual address to HC physical address.
951	*
952	* @returns HC physical address.
953	* @param pVM VM Handle
954	* @param pvHC Host context physical address.
955	*/
956	MMR3DECL(RTHCPHYS) MMR3HyperHCVirt2HCPhys(PVM pVM, void *pvHC)
957	{
958	PMMLOOKUPHYPER pLookup = (PMMLOOKUPHYPER)((char*)pVM->mm.s.pHyperHeapHC + pVM->mm.s.offLookupHyper);
959	for (;;)
960	{
961	switch (pLookup->enmType)
962	{
963	case MMLOOKUPHYPERTYPE_LOCKED:
964	{
965	unsigned off = (char )pvHC - (char )pLookup->u.Locked.pvHC;
966	if (off < pLookup->cb)
967	return (pLookup->u.Locked.pLockedMem->aPhysPages[off >> PAGE_SHIFT].Phys & X86_PTE_PAE_PG_MASK) \| (off & PAGE_OFFSET_MASK);
968	break;
969	}
970
971	case MMLOOKUPHYPERTYPE_HCPHYS:
972	{
973	unsigned off = (char )pvHC - (char )pLookup->u.HCPhys.pvHC;
974	if (off < pLookup->cb)
975	return pLookup->u.HCPhys.HCPhys + off;
976	break;
977	}
978
979	case MMLOOKUPHYPERTYPE_GCPHYS:
980	case MMLOOKUPHYPERTYPE_MMIO2:
981	case MMLOOKUPHYPERTYPE_DYNAMIC:
982	/* can (or don't want to) convert these kind of records. */
983	break;
984
985	default:
986	AssertMsgFailed(("enmType=%d\n", pLookup->enmType));
987	break;
988	}
989
990	/* next */
991	if ((unsigned)pLookup->offNext == NIL_OFFSET)
992	break;
993	pLookup = (PMMLOOKUPHYPER)((char *)pLookup + pLookup->offNext);
994	}
995
996	AssertMsgFailed(("pvHC=%p is not inside the hypervisor memory area!\n", pvHC));
997	return NIL_RTHCPHYS;
998	}
999
1000
1001	#if 0 /* unused, not implemented */
1002	/**
1003	* Convert hypervisor HC physical address to HC virtual address.
1004	*
1005	* @returns HC virtual address.
1006	* @param pVM VM Handle
1007	* @param HCPhys Host context physical address.
1008	*/
1009	MMR3DECL(void *) MMR3HyperHCPhys2HCVirt(PVM pVM, RTHCPHYS HCPhys)
1010	{
1011	void *pv;
1012	int rc = MMR3HyperHCPhys2HCVirtEx(pVM, HCPhys, &pv);
1013	if (VBOX_SUCCESS(rc))
1014	return pv;
1015	AssertMsgFailed(("Invalid address HCPhys=%x rc=%d\n", HCPhys, rc));
1016	return NULL;
1017	}
1018
1019
1020	/**
1021	* Convert hypervisor HC physical address to HC virtual address.
1022	*
1023	* @returns VBox status.
1024	* @param pVM VM Handle
1025	* @param HCPhys Host context physical address.
1026	* @param ppv Where to store the HC virtual address.
1027	*/
1028	MMR3DECL(int) MMR3HyperHCPhys2HCVirtEx(PVM pVM, RTHCPHYS HCPhys, void **ppv)
1029	{
1030	/*
1031	* Linear search.
1032	*/
1033	/** @todo implement when actually used. */
1034	return VERR_INVALID_POINTER;
1035	}
1036	#endif /* unused, not implemented */
1037
1038
1039	/**
1040	* Read hypervisor memory from GC virtual address.
1041	*
1042	* @returns VBox status.
1043	* @param pVM VM handle.
1044	* @param pvDst Destination address (HC of course).
1045	* @param GCPtr GC virtual address.
1046	* @param cb Number of bytes to read.
1047	*/
1048	MMR3DECL(int) MMR3HyperReadGCVirt(PVM pVM, void *pvDst, RTGCPTR GCPtr, size_t cb)
1049	{
1050	if (GCPtr - pVM->mm.s.pvHyperAreaGC >= pVM->mm.s.cbHyperArea)
1051	return VERR_INVALID_PARAMETER;
1052	return PGMR3MapRead(pVM, pvDst, GCPtr, cb);
1053	}
1054
1055
1056	/**
1057	* Info handler for 'hma', it dumps the list of lookup records for the hypervisor memory area.
1058	*
1059	* @param pVM The VM handle.
1060	* @param pHlp Callback functions for doing output.
1061	* @param pszArgs Argument string. Optional and specific to the handler.
1062	*/
1063	static DECLCALLBACK(void) mmR3HyperInfoHma(PVM pVM, PCDBGFINFOHLP pHlp, const char *pszArgs)
1064	{
1065	pHlp->pfnPrintf(pHlp, "Hypervisor Memory Area (HMA) Layout: Base %VGv, 0x%08x bytes\n",
1066	pVM->mm.s.pvHyperAreaGC, pVM->mm.s.cbHyperArea);
1067
1068	PMMLOOKUPHYPER pLookup = (PMMLOOKUPHYPER)((char*)pVM->mm.s.pHyperHeapHC + pVM->mm.s.offLookupHyper);
1069	for (;;)
1070	{
1071	switch (pLookup->enmType)
1072	{
1073	case MMLOOKUPHYPERTYPE_LOCKED:
1074	pHlp->pfnPrintf(pHlp, "%VGv-%VGv %VHv LOCKED %-*s %s\n",
1075	pLookup->off + pVM->mm.s.pvHyperAreaGC,
1076	pLookup->off + pVM->mm.s.pvHyperAreaGC + pLookup->cb,
1077	pLookup->u.Locked.pvHC,
1078	sizeof(RTHCPTR) * 2,
1079	pLookup->u.Locked.pLockedMem->eType == MM_LOCKED_TYPE_HYPER_NOFREE ? "nofree"
1080	: pLookup->u.Locked.pLockedMem->eType == MM_LOCKED_TYPE_HYPER ? "autofree"
1081	: pLookup->u.Locked.pLockedMem->eType == MM_LOCKED_TYPE_HYPER_PAGES ? "pages"
1082	: pLookup->u.Locked.pLockedMem->eType == MM_LOCKED_TYPE_PHYS ? "gstphys"
1083	: "??",
1084	pLookup->pszDesc);
1085	break;
1086
1087	case MMLOOKUPHYPERTYPE_HCPHYS:
1088	pHlp->pfnPrintf(pHlp, "%VGv-%VGv %VHv HCPHYS %VHp %s\n",
1089	pLookup->off + pVM->mm.s.pvHyperAreaGC,
1090	pLookup->off + pVM->mm.s.pvHyperAreaGC + pLookup->cb,
1091	pLookup->u.HCPhys.pvHC, pLookup->u.HCPhys.HCPhys,
1092	pLookup->pszDesc);
1093	break;
1094
1095	case MMLOOKUPHYPERTYPE_GCPHYS:
1096	pHlp->pfnPrintf(pHlp, "%VGv-%VGv %s GCPHYS %VGp%s %s\n",
1097	pLookup->off + pVM->mm.s.pvHyperAreaGC,
1098	pLookup->off + pVM->mm.s.pvHyperAreaGC + pLookup->cb,
1099	sizeof(RTHCPTR) * 2, "",
1100	pLookup->u.GCPhys.GCPhys, RT_ABS(sizeof(RTHCPHYS) - sizeof(RTGCPHYS)) * 2, "",
1101	pLookup->pszDesc);
1102	break;
1103
1104	case MMLOOKUPHYPERTYPE_MMIO2:
1105	pHlp->pfnPrintf(pHlp, "%VGv-%VGv %s MMIO2 %VGp%s %s\n",
1106	pLookup->off + pVM->mm.s.pvHyperAreaGC,
1107	pLookup->off + pVM->mm.s.pvHyperAreaGC + pLookup->cb,
1108	sizeof(RTHCPTR) * 2, "",
1109	pLookup->u.MMIO2.off, RT_ABS(sizeof(RTHCPHYS) - sizeof(RTGCPHYS)) * 2, "",
1110	pLookup->pszDesc);
1111	break;
1112
1113	case MMLOOKUPHYPERTYPE_DYNAMIC:
1114	pHlp->pfnPrintf(pHlp, "%VGv-%VGv %s DYNAMIC %s %s\n",
1115	pLookup->off + pVM->mm.s.pvHyperAreaGC,
1116	pLookup->off + pVM->mm.s.pvHyperAreaGC + pLookup->cb,
1117	sizeof(RTHCPTR) * 2, "",
1118	sizeof(RTHCPTR) * 2, "",
1119	pLookup->pszDesc);
1120	break;
1121
1122	default:
1123	AssertMsgFailed(("enmType=%d\n", pLookup->enmType));
1124	break;
1125	}
1126
1127	/* next */
1128	if ((unsigned)pLookup->offNext == NIL_OFFSET)
1129	break;
1130	pLookup = (PMMLOOKUPHYPER)((char *)pLookup + pLookup->offNext);
1131	}
1132	}
1133

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source: vbox/trunk/src/VBox/VMM/MMHyper.cpp@ 12792

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