MMHyper.cpp@ 11938

Last change on this file since 11938 was 11164, checked in by vboxsync, 16 years ago
#1865: VGA. Changed PDMDevHlpMMHyperMapMMIO2/MMHyperMapMMIO2 to return a RC pointer instead of a GC one.
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1	/* $Id: MMHyper.cpp 11164 2008-08-06 00:15:58Z 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
108	/* Reserve a page for fencing. */
109	MMR3HyperReserve(pVM, PAGE_SIZE, "fence", NULL);
110
111	/*
112	* Map the heap into the hypervisor space.
113	*/
114	rc = mmR3HyperHeapMap(pVM, pVM->mm.s.pHyperHeapHC, &GCPtr);
115	if (VBOX_SUCCESS(rc))
116	{
117	pVM->mm.s.pHyperHeapGC = (RTGCPTR32)GCPtr;
118
119	/*
120	* Register info handlers.
121	*/
122	DBGFR3InfoRegisterInternal(pVM, "hma", "Show the layout of the Hypervisor Memory Area.", mmR3HyperInfoHma);
123
124	LogFlow(("mmR3HyperInit: returns VINF_SUCCESS\n"));
125	return VINF_SUCCESS;
126	}
127	/* Caller will do proper cleanup. */
128	}
129	}
130
131	LogFlow(("mmR3HyperInit: returns %Vrc\n", rc));
132	return rc;
133	}
134
135
136	/**
137	* Finalizes the HMA mapping.
138	*
139	* This is called later during init, most (all) HMA allocations should be done
140	* by the time this function is called.
141	*
142	* @returns VBox status.
143	*/
144	MMR3DECL(int) MMR3HyperInitFinalize(PVM pVM)
145	{
146	LogFlow(("MMR3HyperInitFinalize:\n"));
147
148	/*
149	* Adjust and create the HMA mapping.
150	*/
151	while ((RTINT)pVM->mm.s.offHyperNextStatic + 64*_1K < (RTINT)pVM->mm.s.cbHyperArea - _4M)
152	pVM->mm.s.cbHyperArea -= _4M;
153	int rc = PGMR3MapPT(pVM, pVM->mm.s.pvHyperAreaGC, pVM->mm.s.cbHyperArea,
154	mmR3HyperRelocateCallback, NULL, "Hypervisor Memory Area");
155	if (VBOX_FAILURE(rc))
156	return rc;
157	pVM->mm.s.fPGMInitialized = true;
158
159	/*
160	* Do all the delayed mappings.
161	*/
162	PMMLOOKUPHYPER pLookup = (PMMLOOKUPHYPER)((uintptr_t)pVM->mm.s.pHyperHeapHC + pVM->mm.s.offLookupHyper);
163	for (;;)
164	{
165	RTGCPTR GCPtr = pVM->mm.s.pvHyperAreaGC + pLookup->off;
166	unsigned cPages = pLookup->cb >> PAGE_SHIFT;
167	switch (pLookup->enmType)
168	{
169	case MMLOOKUPHYPERTYPE_LOCKED:
170	rc = mmR3MapLocked(pVM, pLookup->u.Locked.pLockedMem, GCPtr, 0, cPages, 0);
171	break;
172
173	case MMLOOKUPHYPERTYPE_HCPHYS:
174	rc = PGMMap(pVM, GCPtr, pLookup->u.HCPhys.HCPhys, pLookup->cb, 0);
175	break;
176
177	case MMLOOKUPHYPERTYPE_GCPHYS:
178	{
179	const RTGCPHYS GCPhys = pLookup->u.GCPhys.GCPhys;
180	const size_t cb = pLookup->cb;
181	for (unsigned off = 0; off < cb; off += PAGE_SIZE)
182	{
183	RTHCPHYS HCPhys;
184	rc = PGMPhysGCPhys2HCPhys(pVM, GCPhys + off, &HCPhys);
185	if (VBOX_FAILURE(rc))
186	break;
187	rc = PGMMap(pVM, GCPtr + off, HCPhys, PAGE_SIZE, 0);
188	if (VBOX_FAILURE(rc))
189	break;
190	}
191	break;
192	}
193
194	case MMLOOKUPHYPERTYPE_MMIO2:
195	{
196	const RTGCPHYS offEnd = pLookup->u.MMIO2.off + pLookup->cb;
197	for (RTGCPHYS offCur = pLookup->u.MMIO2.off; offCur < offEnd; offCur += PAGE_SIZE)
198	{
199	RTHCPHYS HCPhys;
200	rc = PGMR3PhysMMIO2GetHCPhys(pVM, pLookup->u.MMIO2.pDevIns, pLookup->u.MMIO2.iRegion, offCur, &HCPhys);
201	if (RT_FAILURE(rc))
202	break;
203	rc = PGMMap(pVM, GCPtr + (offCur - pLookup->u.MMIO2.off), HCPhys, PAGE_SIZE, 0);
204	if (RT_FAILURE(rc))
205	break;
206	}
207	break;
208	}
209
210	case MMLOOKUPHYPERTYPE_DYNAMIC:
211	/* do nothing here since these are either fences or managed by someone else using PGM. */
212	break;
213
214	default:
215	AssertMsgFailed(("enmType=%d\n", pLookup->enmType));
216	break;
217	}
218
219	if (VBOX_FAILURE(rc))
220	{
221	AssertMsgFailed(("rc=%Vrc cb=%d GCPtr=%VGv enmType=%d pszDesc=%s\n",
222	rc, pLookup->cb, pLookup->enmType, pLookup->pszDesc));
223	return rc;
224	}
225
226	/* next */
227	if (pLookup->offNext == (int32_t)NIL_OFFSET)
228	break;
229	pLookup = (PMMLOOKUPHYPER)((uintptr_t)pLookup + pLookup->offNext);
230	}
231
232	LogFlow(("MMR3HyperInitFinalize: returns VINF_SUCCESS\n"));
233	return VINF_SUCCESS;
234	}
235
236
237	/**
238	* Callback function which will be called when PGM is trying to find
239	* a new location for the mapping.
240	*
241	* The callback is called in two modes, 1) the check mode and 2) the relocate mode.
242	* In 1) the callback should say if it objects to a suggested new location. If it
243	* accepts the new location, it is called again for doing it's relocation.
244	*
245	*
246	* @returns true if the location is ok.
247	* @returns false if another location should be found.
248	* @param pVM The VM handle.
249	* @param GCPtrOld The old virtual address.
250	* @param GCPtrNew The new virtual address.
251	* @param enmMode Used to indicate the callback mode.
252	* @param pvUser User argument. Ignored.
253	* @remark The return value is no a failure indicator, it's an acceptance
254	* indicator. Relocation can not fail!
255	*/
256	static DECLCALLBACK(bool) mmR3HyperRelocateCallback(PVM pVM, RTGCPTR GCPtrOld, RTGCPTR GCPtrNew, PGMRELOCATECALL enmMode, void *pvUser)
257	{
258	switch (enmMode)
259	{
260	/*
261	* Verify location - all locations are good for us.
262	*/
263	case PGMRELOCATECALL_SUGGEST:
264	return true;
265
266	/*
267	* Execute the relocation.
268	*/
269	case PGMRELOCATECALL_RELOCATE:
270	{
271	/*
272	* Accepted!
273	*/
274	AssertMsg(GCPtrOld == pVM->mm.s.pvHyperAreaGC, ("GCPtrOld=%VGv pVM->mm.s.pvHyperAreaGC=%VGv\n", GCPtrOld, pVM->mm.s.pvHyperAreaGC));
275	Log(("Relocating the hypervisor from %VGv to %VGv\n", GCPtrOld, GCPtrNew));
276
277	/* relocate our selves and the VM structure. */
278	RTGCINTPTR offDelta = GCPtrNew - GCPtrOld;
279	pVM->pVMGC += offDelta;
280	pVM->mm.s.pvHyperAreaGC += offDelta;
281	pVM->mm.s.pHyperHeapGC += offDelta;
282	pVM->mm.s.pHyperHeapHC->pbHeapGC += offDelta;
283	pVM->mm.s.pHyperHeapHC->pVMGC += pVM->pVMGC;
284
285	/* relocate the rest. */
286	VMR3Relocate(pVM, offDelta);
287	return true;
288	}
289
290	default:
291	AssertMsgFailed(("Invalid relocation mode %d\n", enmMode));
292	}
293
294	return false;
295	}
296
297
298	/**
299	* Maps contiguous HC physical memory into the hypervisor region in the GC.
300	*
301	* @return VBox status code.
302	*
303	* @param pVM VM handle.
304	* @param pvHC Host context address of the memory. Must be page aligned!
305	* @param HCPhys Host context physical address of the memory to be mapped. Must be page aligned!
306	* @param cb Size of the memory. Will be rounded up to nearest page.
307	* @param pszDesc Description.
308	* @param pGCPtr Where to store the GC address.
309	*/
310	MMR3DECL(int) MMR3HyperMapHCPhys(PVM pVM, void pvHC, RTHCPHYS HCPhys, size_t cb, const char pszDesc, PRTGCPTR pGCPtr)
311	{
312	LogFlow(("MMR3HyperMapHCPhys: pvHc=%p HCPhys=%VHp cb=%d pszDesc=%p:{%s} pGCPtr=%p\n", pvHC, HCPhys, (int)cb, pszDesc, pszDesc, pGCPtr));
313
314	/*
315	* Validate input.
316	*/
317	AssertReturn(RT_ALIGN_P(pvHC, PAGE_SIZE) == pvHC, VERR_INVALID_PARAMETER);
318	AssertReturn(RT_ALIGN_T(HCPhys, PAGE_SIZE, RTHCPHYS) == HCPhys, VERR_INVALID_PARAMETER);
319	AssertReturn(pszDesc && *pszDesc, VERR_INVALID_PARAMETER);
320
321	/*
322	* Add the memory to the hypervisor area.
323	*/
324	uint32_t cbAligned = RT_ALIGN_32(cb, PAGE_SIZE);
325	AssertReturn(cbAligned >= cb, VERR_INVALID_PARAMETER);
326	RTGCPTR GCPtr;
327	PMMLOOKUPHYPER pLookup;
328	int rc = mmR3HyperMap(pVM, cbAligned, pszDesc, &GCPtr, &pLookup);
329	if (VBOX_SUCCESS(rc))
330	{
331	pLookup->enmType = MMLOOKUPHYPERTYPE_HCPHYS;
332	pLookup->u.HCPhys.pvHC = pvHC;
333	pLookup->u.HCPhys.HCPhys = HCPhys;
334
335	/*
336	* Update the page table.
337	*/
338	if (pVM->mm.s.fPGMInitialized)
339	rc = PGMMap(pVM, GCPtr, HCPhys, cbAligned, 0);
340	if (VBOX_SUCCESS(rc))
341	*pGCPtr = GCPtr;
342	}
343	return rc;
344	}
345
346
347	/**
348	* Maps contiguous GC physical memory into the hypervisor region in the GC.
349	*
350	* @return VBox status code.
351	*
352	* @param pVM VM handle.
353	* @param GCPhys Guest context physical address of the memory to be mapped. Must be page aligned!
354	* @param cb Size of the memory. Will be rounded up to nearest page.
355	* @param pszDesc Mapping description.
356	* @param pGCPtr Where to store the GC address.
357	*/
358	MMR3DECL(int) MMR3HyperMapGCPhys(PVM pVM, RTGCPHYS GCPhys, size_t cb, const char *pszDesc, PRTGCPTR pGCPtr)
359	{
360	LogFlow(("MMR3HyperMapGCPhys: GCPhys=%VGp cb=%d pszDesc=%p:{%s} pGCPtr=%p\n", GCPhys, (int)cb, pszDesc, pszDesc, pGCPtr));
361
362	/*
363	* Validate input.
364	*/
365	AssertReturn(RT_ALIGN_T(GCPhys, PAGE_SIZE, RTGCPHYS) == GCPhys, VERR_INVALID_PARAMETER);
366	AssertReturn(pszDesc && *pszDesc, VERR_INVALID_PARAMETER);
367
368	/*
369	* Add the memory to the hypervisor area.
370	*/
371	cb = RT_ALIGN_Z(cb, PAGE_SIZE);
372	RTGCPTR GCPtr;
373	PMMLOOKUPHYPER pLookup;
374	int rc = mmR3HyperMap(pVM, cb, pszDesc, &GCPtr, &pLookup);
375	if (VBOX_SUCCESS(rc))
376	{
377	pLookup->enmType = MMLOOKUPHYPERTYPE_GCPHYS;
378	pLookup->u.GCPhys.GCPhys = GCPhys;
379
380	/*
381	* Update the page table.
382	*/
383	for (unsigned off = 0; off < cb; off += PAGE_SIZE)
384	{
385	RTHCPHYS HCPhys;
386	rc = PGMPhysGCPhys2HCPhys(pVM, GCPhys + off, &HCPhys);
387	AssertRC(rc);
388	if (VBOX_FAILURE(rc))
389	{
390	AssertMsgFailed(("rc=%Vrc GCPhys=%VGv off=%#x %s\n", rc, GCPhys, off, pszDesc));
391	break;
392	}
393	if (pVM->mm.s.fPGMInitialized)
394	{
395	rc = PGMMap(pVM, GCPtr + off, HCPhys, PAGE_SIZE, 0);
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	}
403	}
404
405	if (VBOX_SUCCESS(rc) && pGCPtr)
406	*pGCPtr = GCPtr;
407	}
408	return rc;
409	}
410
411
412	/**
413	* Maps a portion of an MMIO2 region into the hypervisor region.
414	*
415	* Callers of this API must never deregister the MMIO2 region before the
416	* VM is powered off. If this becomes a requirement MMR3HyperUnmapMMIO2
417	* API will be needed to perform cleanups.
418	*
419	* @return VBox status code.
420	*
421	* @param pVM Pointer to the shared VM structure.
422	* @param pDevIns The device owning the MMIO2 memory.
423	* @param iRegion The region.
424	* @param off The offset into the region. Will be rounded down to closest page boundrary.
425	* @param cb The number of bytes to map. Will be rounded up to the closest page boundrary.
426	* @param pszDesc Mapping description.
427	* @param pRCPtr Where to store the RC address.
428	*/
429	MMR3DECL(int) MMR3HyperMapMMIO2(PVM pVM, PPDMDEVINS pDevIns, uint32_t iRegion, RTGCPHYS off, RTGCPHYS cb,
430	const char *pszDesc, PRTRCPTR pRCPtr)
431	{
432	LogFlow(("MMR3HyperMapMMIO2: pDevIns=%p iRegion=%#x off=%VGp cb=%VGp pszDesc=%p:{%s} pRCPtr=%p\n",
433	pDevIns, iRegion, off, cb, pszDesc, pszDesc, pRCPtr));
434	int rc;
435
436	/*
437	* Validate input.
438	*/
439	AssertReturn(pszDesc && *pszDesc, VERR_INVALID_PARAMETER);
440	AssertReturn(off + cb > off, VERR_INVALID_PARAMETER);
441	uint32_t const offPage = off & PAGE_OFFSET_MASK;
442	off &= ~(RTGCPHYS)PAGE_OFFSET_MASK;
443	cb += offPage;
444	cb = RT_ALIGN_Z(cb, PAGE_SIZE);
445	const RTGCPHYS offEnd = off + cb;
446	AssertReturn(offEnd > off, VERR_INVALID_PARAMETER);
447	for (RTGCPHYS offCur = off; offCur < offEnd; offCur += PAGE_SIZE)
448	{
449	RTHCPHYS HCPhys;
450	rc = PGMR3PhysMMIO2GetHCPhys(pVM, pDevIns, iRegion, offCur, &HCPhys);
451	AssertMsgRCReturn(rc, ("rc=%Rrc - iRegion=%d off=%RGp\n", rc, iRegion, off), rc);
452	}
453
454	/*
455	* Add the memory to the hypervisor area.
456	*/
457	RTGCPTR GCPtr;
458	PMMLOOKUPHYPER pLookup;
459	rc = mmR3HyperMap(pVM, cb, pszDesc, &GCPtr, &pLookup);
460	if (VBOX_SUCCESS(rc))
461	{
462	pLookup->enmType = MMLOOKUPHYPERTYPE_MMIO2;
463	pLookup->u.MMIO2.pDevIns = pDevIns;
464	pLookup->u.MMIO2.iRegion = iRegion;
465	pLookup->u.MMIO2.off = off;
466
467	/*
468	* Update the page table.
469	*/
470	if (pVM->mm.s.fPGMInitialized)
471	{
472	for (RTGCPHYS offCur = off; offCur < offEnd; offCur += PAGE_SIZE)
473	{
474	RTHCPHYS HCPhys;
475	rc = PGMR3PhysMMIO2GetHCPhys(pVM, pDevIns, iRegion, offCur, &HCPhys);
476	AssertRCReturn(rc, VERR_INTERNAL_ERROR);
477	rc = PGMMap(pVM, GCPtr + (offCur - off), HCPhys, PAGE_SIZE, 0);
478	if (VBOX_FAILURE(rc))
479	{
480	AssertMsgFailed(("rc=%Vrc offCur=%RGp %s\n", rc, offCur, pszDesc));
481	break;
482	}
483	}
484	}
485
486	if (VBOX_SUCCESS(rc))
487	{
488	GCPtr \|= offPage;
489	*pRCPtr = GCPtr;
490	AssertLogRelReturn(*pRCPtr == GCPtr, VERR_INTERNAL_ERROR);
491	}
492	}
493	return rc;
494	}
495
496
497
498
499	/**
500	* Locks and Maps HC virtual memory into the hypervisor region in the GC.
501	*
502	* @return VBox status code.
503	*
504	* @param pVM VM handle.
505	* @param pvHC Host context address of the memory (may be not page aligned).
506	* @param cb Size of the memory. Will be rounded up to nearest page.
507	* @param fFree Set this if MM is responsible for freeing the memory using SUPPageFree.
508	* @param pszDesc Mapping description.
509	* @param pGCPtr Where to store the GC address corresponding to pvHC.
510	*/
511	MMR3DECL(int) MMR3HyperMapHCRam(PVM pVM, void pvHC, size_t cb, bool fFree, const char pszDesc, PRTGCPTR pGCPtr)
512	{
513	LogFlow(("MMR3HyperMapHCRam: pvHc=%p cb=%d fFree=%d pszDesc=%p:{%s} pGCPtr=%p\n", pvHC, (int)cb, fFree, pszDesc, pszDesc, pGCPtr));
514
515	/*
516	* Validate input.
517	*/
518	if ( !pvHC
519	\|\| cb <= 0
520	\|\| !pszDesc
521	\|\| !*pszDesc)
522	{
523	AssertMsgFailed(("Invalid parameter\n"));
524	return VERR_INVALID_PARAMETER;
525	}
526
527	/*
528	* Page align address and size.
529	*/
530	void pvHCPage = (void )((uintptr_t)pvHC & PAGE_BASE_HC_MASK);
531	cb += (uintptr_t)pvHC & PAGE_OFFSET_MASK;
532	cb = RT_ALIGN_Z(cb, PAGE_SIZE);
533
534	/*
535	* Add the memory to the hypervisor area.
536	*/
537	RTGCPTR GCPtr;
538	PMMLOOKUPHYPER pLookup;
539	int rc = mmR3HyperMap(pVM, cb, pszDesc, &GCPtr, &pLookup);
540	if (VBOX_SUCCESS(rc))
541	{
542	/*
543	* Lock the heap memory and tell PGM about the locked pages.
544	*/
545	PMMLOCKEDMEM pLockedMem;
546	rc = mmR3LockMem(pVM, pvHCPage, cb, fFree ? MM_LOCKED_TYPE_HYPER : MM_LOCKED_TYPE_HYPER_NOFREE, &pLockedMem, false /* fSilentFailure */);
547	if (VBOX_SUCCESS(rc))
548	{
549	/* map the stuff into guest address space. */
550	if (pVM->mm.s.fPGMInitialized)
551	rc = mmR3MapLocked(pVM, pLockedMem, GCPtr, 0, ~(size_t)0, 0);
552	if (VBOX_SUCCESS(rc))
553	{
554	pLookup->enmType = MMLOOKUPHYPERTYPE_LOCKED;
555	pLookup->u.Locked.pvHC = pvHC;
556	pLookup->u.Locked.pvR0 = NIL_RTR0PTR;
557	pLookup->u.Locked.pLockedMem = pLockedMem;
558
559	/* done. */
560	GCPtr \|= (uintptr_t)pvHC & PAGE_OFFSET_MASK;
561	*pGCPtr = GCPtr;
562	return rc;
563	}
564	/* Don't care about failure clean, we're screwed if this fails anyway. */
565	}
566	}
567
568	return rc;
569	}
570
571
572	/**
573	* Maps locked R3 virtual memory into the hypervisor region in the GC.
574	*
575	* @return VBox status code.
576	*
577	* @param pVM VM handle.
578	* @param pvR3 The ring-3 address of the memory, must be page aligned.
579	* @param pvR0 The ring-0 address of the memory, must be page aligned. (optional)
580	* @param cPages The number of pages.
581	* @param paPages The page descriptors.
582	* @param pszDesc Mapping description.
583	* @param pGCPtr Where to store the GC address corresponding to pvHC.
584	*/
585	MMR3DECL(int) MMR3HyperMapPages(PVM pVM, void pvR3, RTR0PTR pvR0, size_t cPages, PCSUPPAGE paPages, const char pszDesc, PRTGCPTR pGCPtr)
586	{
587	LogFlow(("MMR3HyperMapPages: pvR3=%p pvR0=%p cPages=%zu paPages=%p pszDesc=%p:{%s} pGCPtr=%p\n",
588	pvR3, pvR0, cPages, paPages, pszDesc, pszDesc, pGCPtr));
589
590	/*
591	* Validate input.
592	*/
593	AssertPtrReturn(pvR3, VERR_INVALID_POINTER);
594	AssertPtrReturn(paPages, VERR_INVALID_POINTER);
595	AssertReturn(cPages > 0, VERR_INVALID_PARAMETER);
596	AssertReturn(cPages < 1024, VERR_INVALID_PARAMETER);
597	AssertPtrReturn(pszDesc, VERR_INVALID_POINTER);
598	AssertReturn(*pszDesc, VERR_INVALID_PARAMETER);
599	AssertPtrReturn(pGCPtr, VERR_INVALID_PARAMETER);
600
601	/*
602	* Add the memory to the hypervisor area.
603	*/
604	RTGCPTR GCPtr;
605	PMMLOOKUPHYPER pLookup;
606	int rc = mmR3HyperMap(pVM, cPages << PAGE_SHIFT, pszDesc, &GCPtr, &pLookup);
607	if (VBOX_SUCCESS(rc))
608	{
609	/*
610	* Create a locked memory record and tell PGM about this.
611	*/
612	PMMLOCKEDMEM pLockedMem = (PMMLOCKEDMEM)MMR3HeapAlloc(pVM, MM_TAG_MM, RT_OFFSETOF(MMLOCKEDMEM, aPhysPages[cPages]));
613	if (pLockedMem)
614	{
615	pLockedMem->pv = pvR3;
616	pLockedMem->cb = cPages << PAGE_SHIFT;
617	pLockedMem->eType = MM_LOCKED_TYPE_HYPER_PAGES;
618	memset(&pLockedMem->u, 0, sizeof(pLockedMem->u));
619	for (size_t i = 0; i < cPages; i++)
620	{
621	AssertReleaseReturn(paPages[i].Phys != 0 && paPages[i].Phys != NIL_RTHCPHYS && !(paPages[i].Phys & PAGE_OFFSET_MASK), VERR_INTERNAL_ERROR);
622	pLockedMem->aPhysPages[i].Phys = paPages[i].Phys;
623	pLockedMem->aPhysPages[i].uReserved = (RTHCUINTPTR)pLockedMem;
624	}
625
626	/* map the stuff into guest address space. */
627	if (pVM->mm.s.fPGMInitialized)
628	rc = mmR3MapLocked(pVM, pLockedMem, GCPtr, 0, ~(size_t)0, 0);
629	if (VBOX_SUCCESS(rc))
630	{
631	pLookup->enmType = MMLOOKUPHYPERTYPE_LOCKED;
632	pLookup->u.Locked.pvHC = pvR3;
633	pLookup->u.Locked.pvR0 = pvR0;
634	pLookup->u.Locked.pLockedMem = pLockedMem;
635
636	/* done. */
637	*pGCPtr = GCPtr;
638	return rc;
639	}
640	/* Don't care about failure clean, we're screwed if this fails anyway. */
641	}
642	}
643
644	return rc;
645	}
646
647
648	/**
649	* Reserves a hypervisor memory area.
650	* Most frequent usage is fence pages and dynamically mappings like the guest PD and PDPT.
651	*
652	* @return VBox status code.
653	*
654	* @param pVM VM handle.
655	* @param cb Size of the memory. Will be rounded up to nearest page.
656	* @param pszDesc Mapping description.
657	* @param pGCPtr Where to store the assigned GC address. Optional.
658	*/
659	MMR3DECL(int) MMR3HyperReserve(PVM pVM, unsigned cb, const char *pszDesc, PRTGCPTR pGCPtr)
660	{
661	LogFlow(("MMR3HyperMapHCRam: cb=%d pszDesc=%p:{%s} pGCPtr=%p\n", (int)cb, pszDesc, pszDesc, pGCPtr));
662
663	/*
664	* Validate input.
665	*/
666	if ( cb <= 0
667	\|\| !pszDesc
668	\|\| !*pszDesc)
669	{
670	AssertMsgFailed(("Invalid parameter\n"));
671	return VERR_INVALID_PARAMETER;
672	}
673
674	/*
675	* Add the memory to the hypervisor area.
676	*/
677	RTGCPTR GCPtr;
678	PMMLOOKUPHYPER pLookup;
679	int rc = mmR3HyperMap(pVM, cb, pszDesc, &GCPtr, &pLookup);
680	if (VBOX_SUCCESS(rc))
681	{
682	pLookup->enmType = MMLOOKUPHYPERTYPE_DYNAMIC;
683	if (pGCPtr)
684	*pGCPtr = GCPtr;
685	return VINF_SUCCESS;
686	}
687	return rc;
688	}
689
690
691	/**
692	* Adds memory to the hypervisor memory arena.
693	*
694	* @return VBox status code.
695	* @param pVM The VM handle.
696	* @param cb Size of the memory. Will be rounded up to neares page.
697	* @param pszDesc The description of the memory.
698	* @param pGCPtr Where to store the GC address.
699	* @param ppLookup Where to store the pointer to the lookup record.
700	* @remark We assume the threading structure of VBox imposes natural
701	* serialization of most functions, this one included.
702	*/
703	static int mmR3HyperMap(PVM pVM, const size_t cb, const char pszDesc, PRTGCPTR pGCPtr, PMMLOOKUPHYPER ppLookup)
704	{
705	/*
706	* Validate input.
707	*/
708	const uint32_t cbAligned = RT_ALIGN(cb, PAGE_SIZE);
709	AssertReturn(cbAligned >= cb, VERR_INVALID_PARAMETER);
710	if (pVM->mm.s.offHyperNextStatic + cbAligned >= pVM->mm.s.cbHyperArea) /* don't use the last page, it's a fence. */
711	{
712	AssertMsgFailed(("Out of static mapping space in the HMA! offHyperAreaGC=%x cbAligned=%x\n",
713	pVM->mm.s.offHyperNextStatic, cbAligned));
714	return VERR_NO_MEMORY;
715	}
716
717	/*
718	* Allocate lookup record.
719	*/
720	PMMLOOKUPHYPER pLookup;
721	int rc = MMHyperAlloc(pVM, sizeof(pLookup), 1, MM_TAG_MM, (void *)&pLookup);
722	if (VBOX_SUCCESS(rc))
723	{
724	/*
725	* Initialize it and insert it.
726	*/
727	pLookup->offNext = pVM->mm.s.offLookupHyper;
728	pLookup->cb = cbAligned;
729	pLookup->off = pVM->mm.s.offHyperNextStatic;
730	pVM->mm.s.offLookupHyper = (char )pLookup - (char )pVM->mm.s.pHyperHeapHC;
731	if (pLookup->offNext != (int32_t)NIL_OFFSET)
732	pLookup->offNext -= pVM->mm.s.offLookupHyper;
733	pLookup->enmType = MMLOOKUPHYPERTYPE_INVALID;
734	memset(&pLookup->u, 0xff, sizeof(pLookup->u));
735	pLookup->pszDesc = pszDesc;
736
737	/* Mapping. */
738	*pGCPtr = pVM->mm.s.pvHyperAreaGC + pVM->mm.s.offHyperNextStatic;
739	pVM->mm.s.offHyperNextStatic += cbAligned;
740
741	/* Return pointer. */
742	*ppLookup = pLookup;
743	}
744
745	AssertRC(rc);
746	LogFlow(("mmR3HyperMap: returns %Vrc pGCPtr=%VGv\n", rc, pGCPtr));
747	return rc;
748	}
749
750
751	/**
752	* Allocates a new heap.
753	*
754	* @returns VBox status code.
755	* @param pVM The VM handle.
756	* @param cb The size of the new heap.
757	* @param ppHeap Where to store the heap pointer on successful return.
758	*/
759	static int mmR3HyperHeapCreate(PVM pVM, const size_t cb, PMMHYPERHEAP *ppHeap)
760	{
761	/*
762	* Allocate the hypervisor heap.
763	*/
764	const uint32_t cbAligned = RT_ALIGN_Z(cb, PAGE_SIZE);
765	AssertReturn(cbAligned >= cb, VERR_INVALID_PARAMETER);
766	void *pv;
767	int rc = SUPPageAlloc(cbAligned >> PAGE_SHIFT, &pv);
768	if (VBOX_SUCCESS(rc))
769	{
770	/*
771	* Initialize the heap and first free chunk.
772	*/
773	PMMHYPERHEAP pHeap = (PMMHYPERHEAP)pv;
774	pHeap->u32Magic = MMHYPERHEAP_MAGIC;
775	pHeap->pVMHC = pVM;
776	pHeap->pVMGC = pVM->pVMGC;
777	pHeap->pbHeapHC = (uint8_t *)pHeap + MMYPERHEAP_HDR_SIZE;
778	//pHeap->pbHeapGC = 0; // set by mmR3HyperHeapMap()
779	pHeap->cbHeap = cbAligned - MMYPERHEAP_HDR_SIZE;
780	pHeap->cbFree = pHeap->cbHeap - sizeof(MMHYPERCHUNK);
781	//pHeap->offFreeHead = 0;
782	//pHeap->offFreeTail = 0;
783	pHeap->offPageAligned = pHeap->cbHeap;
784	//pHeap->HyperHeapStatTree = 0;
785
786	PMMHYPERCHUNKFREE pFree = (PMMHYPERCHUNKFREE)pHeap->pbHeapHC;
787	pFree->cb = pHeap->cbFree;
788	//pFree->core.offNext = 0;
789	MMHYPERCHUNK_SET_TYPE(&pFree->core, MMHYPERCHUNK_FLAGS_FREE);
790	pFree->core.offHeap = -(int32_t)MMYPERHEAP_HDR_SIZE;
791	//pFree->offNext = 0;
792	//pFree->offPrev = 0;
793
794	STAMR3Register(pVM, &pHeap->cbHeap, STAMTYPE_U32, STAMVISIBILITY_ALWAYS, "/MM/HyperHeap/cbHeap", STAMUNIT_BYTES, "The heap size.");
795	STAMR3Register(pVM, &pHeap->cbFree, STAMTYPE_U32, STAMVISIBILITY_ALWAYS, "/MM/HyperHeap/cbFree", STAMUNIT_BYTES, "The free space.");
796
797	*ppHeap = pHeap;
798	return VINF_SUCCESS;
799	}
800	AssertMsgFailed(("SUPPageAlloc(%d,) -> %Vrc\n", cbAligned >> PAGE_SHIFT, rc));
801
802	*ppHeap = NULL;
803	return rc;
804	}
805
806
807	/**
808	* Allocates a new heap.
809	*/
810	static int mmR3HyperHeapMap(PVM pVM, PMMHYPERHEAP pHeap, PRTGCPTR ppHeapGC)
811	{
812	int rc = MMR3HyperMapHCRam(pVM, pHeap, pHeap->cbHeap + MMYPERHEAP_HDR_SIZE, true, "Heap", ppHeapGC);
813	if (VBOX_SUCCESS(rc))
814	{
815	pHeap->pVMGC = pVM->pVMGC;
816	pHeap->pbHeapGC = *ppHeapGC + MMYPERHEAP_HDR_SIZE;
817	/* Reserve a page for fencing. */
818	MMR3HyperReserve(pVM, PAGE_SIZE, "fence", NULL);
819	}
820	return rc;
821	}
822
823
824	#if 0
825	/**
826	* Destroys a heap.
827	*/
828	static int mmR3HyperHeapDestroy(PVM pVM, PMMHYPERHEAP pHeap)
829	{
830	/* all this is dealt with when unlocking and freeing locked memory. */
831	}
832	#endif
833
834
835	/**
836	* Allocates memory in the Hypervisor (GC VMM) area which never will
837	* be freed and doesn't have any offset based relation to other heap blocks.
838	*
839	* The latter means that two blocks allocated by this API will not have the
840	* same relative position to each other in GC and HC. In short, never use
841	* this API for allocating nodes for an offset based AVL tree!
842	*
843	* The returned memory is of course zeroed.
844	*
845	* @returns VBox status code.
846	* @param pVM The VM to operate on.
847	* @param cb Number of bytes to allocate.
848	* @param uAlignment Required memory alignment in bytes.
849	* Values are 0,8,16,32 and PAGE_SIZE.
850	* 0 -> default alignment, i.e. 8 bytes.
851	* @param enmTag The statistics tag.
852	* @param ppv Where to store the address to the allocated
853	* memory.
854	* @remark This is assumed not to be used at times when serialization is required.
855	*/
856	MMDECL(int) MMR3HyperAllocOnceNoRel(PVM pVM, size_t cb, unsigned uAlignment, MMTAG enmTag, void **ppv)
857	{
858	AssertMsg(cb >= 8, ("Hey! Do you really mean to allocate less than 8 bytes?! cb=%d\n", cb));
859
860	/*
861	* Choose between allocating a new chunk of HMA memory
862	* and the heap. We will only do BIG allocations from HMA.
863	*/
864	if ( cb < _64K
865	&& ( uAlignment != PAGE_SIZE
866	\|\| cb < 48*_1K))
867	{
868	int rc = MMHyperAlloc(pVM, cb, uAlignment, enmTag, ppv);
869	if ( rc != VERR_MM_HYPER_NO_MEMORY
870	\|\| cb <= 8*_1K)
871	{
872	Log2(("MMR3HyperAllocOnceNoRel: cb=%#zx uAlignment=%#x returns %Rrc and *ppv=%p\n",
873	cb, uAlignment, rc, *ppv));
874	return rc;
875	}
876	}
877
878	/*
879	* Validate alignment.
880	*/
881	switch (uAlignment)
882	{
883	case 0:
884	case 8:
885	case 16:
886	case 32:
887	case PAGE_SIZE:
888	break;
889	default:
890	AssertMsgFailed(("Invalid alignment %u\n", uAlignment));
891	return VERR_INVALID_PARAMETER;
892	}
893
894	/*
895	* Allocate the pages and the HMA space.
896	*/
897	cb = RT_ALIGN(cb, PAGE_SIZE);
898	void *pvPages;
899	int rc = SUPPageAlloc(cb >> PAGE_SHIFT, &pvPages);
900	if (VBOX_SUCCESS(rc))
901	{
902	RTGCPTR GCPtr;
903	rc = MMR3HyperMapHCRam(pVM, pvPages, cb, true, mmR3GetTagName(enmTag), &GCPtr);
904	if (VBOX_SUCCESS(rc))
905	{
906	*ppv = pvPages;
907	Log2(("MMR3HyperAllocOnceNoRel: cb=%#x uAlignment=%#x returns VINF_SUCCESS and *ppv=%p\n",
908	cb, uAlignment, *ppv));
909	return rc;
910	}
911	AssertMsgFailed(("Failed to allocate %zd bytes! %Rrc\n", cb, rc));
912	SUPPageFree(pvPages, cb >> PAGE_SHIFT);
913
914	/*
915	* HACK ALERT! Try allocate it off the heap so that we don't freak
916	* out during vga/vmmdev mmio2 allocation with certain ram sizes.
917	*/
918	/** @todo make a proper fix for this so we will never end up in this kind of situation! */
919	Log(("MMR3HyperAllocOnceNoRel: MMR3HyperMapHCRam failed with rc=%Rrc, try MMHyperAlloc(,%#d,,) instead\n", rc, cb));
920	int rc2 = MMHyperAlloc(pVM, cb, uAlignment, enmTag, ppv);
921	if (RT_SUCCESS(rc2))
922	{
923	Log2(("MMR3HyperAllocOnceNoRel: cb=%#x uAlignment=%#x returns %Rrc and *ppv=%p\n",
924	cb, uAlignment, rc, *ppv));
925	return rc;
926	}
927	}
928	else
929	AssertMsgFailed(("Failed to allocate %zd bytes! %Rrc\n", cb, rc));
930
931	if (rc == VERR_NO_MEMORY)
932	rc = VERR_MM_HYPER_NO_MEMORY;
933	LogRel(("MMR3HyperAllocOnceNoRel: cb=%#zx uAlignment=%#x returns %Rrc\n", cb, uAlignment, rc));
934	return rc;
935	}
936
937
938	/**
939	* Convert hypervisor HC virtual address to HC physical address.
940	*
941	* @returns HC physical address.
942	* @param pVM VM Handle
943	* @param pvHC Host context physical address.
944	*/
945	MMR3DECL(RTHCPHYS) MMR3HyperHCVirt2HCPhys(PVM pVM, void *pvHC)
946	{
947	PMMLOOKUPHYPER pLookup = (PMMLOOKUPHYPER)((char*)pVM->mm.s.pHyperHeapHC + pVM->mm.s.offLookupHyper);
948	for (;;)
949	{
950	switch (pLookup->enmType)
951	{
952	case MMLOOKUPHYPERTYPE_LOCKED:
953	{
954	unsigned off = (char )pvHC - (char )pLookup->u.Locked.pvHC;
955	if (off < pLookup->cb)
956	return (pLookup->u.Locked.pLockedMem->aPhysPages[off >> PAGE_SHIFT].Phys & X86_PTE_PAE_PG_MASK) \| (off & PAGE_OFFSET_MASK);
957	break;
958	}
959
960	case MMLOOKUPHYPERTYPE_HCPHYS:
961	{
962	unsigned off = (char )pvHC - (char )pLookup->u.HCPhys.pvHC;
963	if (off < pLookup->cb)
964	return pLookup->u.HCPhys.HCPhys + off;
965	break;
966	}
967
968	case MMLOOKUPHYPERTYPE_GCPHYS:
969	case MMLOOKUPHYPERTYPE_MMIO2:
970	case MMLOOKUPHYPERTYPE_DYNAMIC:
971	/* can (or don't want to) convert these kind of records. */
972	break;
973
974	default:
975	AssertMsgFailed(("enmType=%d\n", pLookup->enmType));
976	break;
977	}
978
979	/* next */
980	if ((unsigned)pLookup->offNext == NIL_OFFSET)
981	break;
982	pLookup = (PMMLOOKUPHYPER)((char *)pLookup + pLookup->offNext);
983	}
984
985	AssertMsgFailed(("pvHC=%p is not inside the hypervisor memory area!\n", pvHC));
986	return NIL_RTHCPHYS;
987	}
988
989
990	#if 0 /* unused, not implemented */
991	/**
992	* Convert hypervisor HC physical address to HC virtual address.
993	*
994	* @returns HC virtual address.
995	* @param pVM VM Handle
996	* @param HCPhys Host context physical address.
997	*/
998	MMR3DECL(void *) MMR3HyperHCPhys2HCVirt(PVM pVM, RTHCPHYS HCPhys)
999	{
1000	void *pv;
1001	int rc = MMR3HyperHCPhys2HCVirtEx(pVM, HCPhys, &pv);
1002	if (VBOX_SUCCESS(rc))
1003	return pv;
1004	AssertMsgFailed(("Invalid address HCPhys=%x rc=%d\n", HCPhys, rc));
1005	return NULL;
1006	}
1007
1008
1009	/**
1010	* Convert hypervisor HC physical address to HC virtual address.
1011	*
1012	* @returns VBox status.
1013	* @param pVM VM Handle
1014	* @param HCPhys Host context physical address.
1015	* @param ppv Where to store the HC virtual address.
1016	*/
1017	MMR3DECL(int) MMR3HyperHCPhys2HCVirtEx(PVM pVM, RTHCPHYS HCPhys, void **ppv)
1018	{
1019	/*
1020	* Linear search.
1021	*/
1022	/** @todo implement when actually used. */
1023	return VERR_INVALID_POINTER;
1024	}
1025	#endif /* unused, not implemented */
1026
1027
1028	/**
1029	* Read hypervisor memory from GC virtual address.
1030	*
1031	* @returns VBox status.
1032	* @param pVM VM handle.
1033	* @param pvDst Destination address (HC of course).
1034	* @param GCPtr GC virtual address.
1035	* @param cb Number of bytes to read.
1036	*/
1037	MMR3DECL(int) MMR3HyperReadGCVirt(PVM pVM, void *pvDst, RTGCPTR GCPtr, size_t cb)
1038	{
1039	if (GCPtr - pVM->mm.s.pvHyperAreaGC >= pVM->mm.s.cbHyperArea)
1040	return VERR_INVALID_PARAMETER;
1041	return PGMR3MapRead(pVM, pvDst, GCPtr, cb);
1042	}
1043
1044
1045	/**
1046	* Info handler for 'hma', it dumps the list of lookup records for the hypervisor memory area.
1047	*
1048	* @param pVM The VM handle.
1049	* @param pHlp Callback functions for doing output.
1050	* @param pszArgs Argument string. Optional and specific to the handler.
1051	*/
1052	static DECLCALLBACK(void) mmR3HyperInfoHma(PVM pVM, PCDBGFINFOHLP pHlp, const char *pszArgs)
1053	{
1054	pHlp->pfnPrintf(pHlp, "Hypervisor Memory Area (HMA) Layout: Base %VGv, 0x%08x bytes\n",
1055	pVM->mm.s.pvHyperAreaGC, pVM->mm.s.cbHyperArea);
1056
1057	PMMLOOKUPHYPER pLookup = (PMMLOOKUPHYPER)((char*)pVM->mm.s.pHyperHeapHC + pVM->mm.s.offLookupHyper);
1058	for (;;)
1059	{
1060	switch (pLookup->enmType)
1061	{
1062	case MMLOOKUPHYPERTYPE_LOCKED:
1063	pHlp->pfnPrintf(pHlp, "%VGv-%VGv %VHv LOCKED %-*s %s\n",
1064	pLookup->off + pVM->mm.s.pvHyperAreaGC,
1065	pLookup->off + pVM->mm.s.pvHyperAreaGC + pLookup->cb,
1066	pLookup->u.Locked.pvHC,
1067	sizeof(RTHCPTR) * 2,
1068	pLookup->u.Locked.pLockedMem->eType == MM_LOCKED_TYPE_HYPER_NOFREE ? "nofree"
1069	: pLookup->u.Locked.pLockedMem->eType == MM_LOCKED_TYPE_HYPER ? "autofree"
1070	: pLookup->u.Locked.pLockedMem->eType == MM_LOCKED_TYPE_HYPER_PAGES ? "pages"
1071	: pLookup->u.Locked.pLockedMem->eType == MM_LOCKED_TYPE_PHYS ? "gstphys"
1072	: "??",
1073	pLookup->pszDesc);
1074	break;
1075
1076	case MMLOOKUPHYPERTYPE_HCPHYS:
1077	pHlp->pfnPrintf(pHlp, "%VGv-%VGv %VHv HCPHYS %VHp %s\n",
1078	pLookup->off + pVM->mm.s.pvHyperAreaGC,
1079	pLookup->off + pVM->mm.s.pvHyperAreaGC + pLookup->cb,
1080	pLookup->u.HCPhys.pvHC, pLookup->u.HCPhys.HCPhys,
1081	pLookup->pszDesc);
1082	break;
1083
1084	case MMLOOKUPHYPERTYPE_GCPHYS:
1085	pHlp->pfnPrintf(pHlp, "%VGv-%VGv %s GCPHYS %VGp%s %s\n",
1086	pLookup->off + pVM->mm.s.pvHyperAreaGC,
1087	pLookup->off + pVM->mm.s.pvHyperAreaGC + pLookup->cb,
1088	sizeof(RTHCPTR) * 2, "",
1089	pLookup->u.GCPhys.GCPhys, RT_ABS(sizeof(RTHCPHYS) - sizeof(RTGCPHYS)) * 2, "",
1090	pLookup->pszDesc);
1091	break;
1092
1093	case MMLOOKUPHYPERTYPE_MMIO2:
1094	pHlp->pfnPrintf(pHlp, "%VGv-%VGv %s MMIO2 %VGp%s %s\n",
1095	pLookup->off + pVM->mm.s.pvHyperAreaGC,
1096	pLookup->off + pVM->mm.s.pvHyperAreaGC + pLookup->cb,
1097	sizeof(RTHCPTR) * 2, "",
1098	pLookup->u.MMIO2.off, RT_ABS(sizeof(RTHCPHYS) - sizeof(RTGCPHYS)) * 2, "",
1099	pLookup->pszDesc);
1100	break;
1101
1102	case MMLOOKUPHYPERTYPE_DYNAMIC:
1103	pHlp->pfnPrintf(pHlp, "%VGv-%VGv %s DYNAMIC %s %s\n",
1104	pLookup->off + pVM->mm.s.pvHyperAreaGC,
1105	pLookup->off + pVM->mm.s.pvHyperAreaGC + pLookup->cb,
1106	sizeof(RTHCPTR) * 2, "",
1107	sizeof(RTHCPTR) * 2, "",
1108	pLookup->pszDesc);
1109	break;
1110
1111	default:
1112	AssertMsgFailed(("enmType=%d\n", pLookup->enmType));
1113	break;
1114	}
1115
1116	/* next */
1117	if ((unsigned)pLookup->offNext == NIL_OFFSET)
1118	break;
1119	pLookup = (PMMLOOKUPHYPER)((char *)pLookup + pLookup->offNext);
1120	}
1121	}
1122

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source: vbox/trunk/src/VBox/VMM/MMHyper.cpp@ 11938

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