MMHyper.cpp@ 19626

Last change on this file since 19626 was 19608, checked in by vboxsync, 16 years ago
MMHyper.cpp: Extended release assertion with a message.
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1	/* $Id: MMHyper.cpp 19608 2009-05-12 11:31:56Z vboxsync $ */
2	/** @file
3	* MM - Memory 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	* Header Files *
25	*******************************************************************************/
26	#define LOG_GROUP LOG_GROUP_MM_HYPER
27	#include <VBox/pgm.h>
28	#include <VBox/mm.h>
29	#include <VBox/dbgf.h>
30	#include "MMInternal.h"
31	#include <VBox/vm.h>
32	#include <VBox/err.h>
33	#include <VBox/param.h>
34	#include <VBox/log.h>
35	#include <iprt/alloc.h>
36	#include <iprt/assert.h>
37	#include <iprt/string.h>
38
39
40	/*******************************************************************************
41	* Internal Functions *
42	*******************************************************************************/
43	static DECLCALLBACK(bool) mmR3HyperRelocateCallback(PVM pVM, RTGCPTR GCPtrOld, RTGCPTR GCPtrNew, PGMRELOCATECALL enmMode, void *pvUser);
44	static int mmR3HyperMap(PVM pVM, const size_t cb, const char pszDesc, PRTGCPTR pGCPtr, PMMLOOKUPHYPER ppLookup);
45	static int mmR3HyperHeapCreate(PVM pVM, const size_t cb, PMMHYPERHEAP *ppHeap, PRTR0PTR pR0PtrHeap);
46	static int mmR3HyperHeapMap(PVM pVM, PMMHYPERHEAP pHeap, PRTGCPTR ppHeapGC);
47	static DECLCALLBACK(void) mmR3HyperInfoHma(PVM pVM, PCDBGFINFOHLP pHlp, const char *pszArgs);
48
49
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	/** @todo @bugref{1865}, @bugref{3202}: Change the cbHyperHeap default
75	* depending on whether VT-x/AMD-V is enabled or not! Don't waste
76	* precious kernel space on heap for the PATM. */
77	uint32_t cbHyperHeap;
78	int rc = CFGMR3QueryU32(CFGMR3GetChild(CFGMR3GetRoot(pVM), "MM"), "cbHyperHeap", &cbHyperHeap);
79	if (rc == VERR_CFGM_NO_PARENT \|\| rc == VERR_CFGM_VALUE_NOT_FOUND)
80	cbHyperHeap = VMMIsHwVirtExtForced(pVM)
81	? 640*_1K
82	: 1280*_1K;
83	else
84	AssertLogRelRCReturn(rc, rc);
85	cbHyperHeap = RT_ALIGN_32(cbHyperHeap, PAGE_SIZE);
86	LogRel(("MM: cbHyperHeap=%#x (%u)\n", cbHyperHeap, cbHyperHeap));
87
88	/*
89	* Allocate the hypervisor heap.
90	*
91	* (This must be done before we start adding memory to the
92	* hypervisor static area because lookup records are allocated from it.)
93	*/
94	rc = mmR3HyperHeapCreate(pVM, cbHyperHeap, &pVM->mm.s.pHyperHeapR3, &pVM->mm.s.pHyperHeapR0);
95	if (RT_SUCCESS(rc))
96	{
97	/*
98	* Make a small head fence to fend of accidental sequential access.
99	*/
100	MMR3HyperReserve(pVM, PAGE_SIZE, "fence", NULL);
101
102	/*
103	* Map the VM structure into the hypervisor space.
104	*/
105	AssertRelease(pVM->cbSelf == RT_UOFFSETOF(VM, aCpus[pVM->cCPUs]));
106	RTGCPTR GCPtr;
107	rc = MMR3HyperMapPages(pVM, pVM, pVM->pVMR0, RT_ALIGN_Z(pVM->cbSelf, PAGE_SIZE) >> PAGE_SHIFT, pVM->paVMPagesR3, "VM", &GCPtr);
108	if (RT_SUCCESS(rc))
109	{
110	pVM->pVMRC = (RTRCPTR)GCPtr;
111	for (uint32_t i = 0; i < pVM->cCPUs; i++)
112	pVM->aCpus[i].pVMRC = pVM->pVMRC;
113
114	/* Reserve a page for fencing. */
115	MMR3HyperReserve(pVM, PAGE_SIZE, "fence", NULL);
116
117	/*
118	* Map the heap into the hypervisor space.
119	*/
120	rc = mmR3HyperHeapMap(pVM, pVM->mm.s.pHyperHeapR3, &GCPtr);
121	if (RT_SUCCESS(rc))
122	{
123	pVM->mm.s.pHyperHeapRC = (RTRCPTR)GCPtr;
124	Assert(pVM->mm.s.pHyperHeapRC == GCPtr);
125
126	/*
127	* Register info handlers.
128	*/
129	DBGFR3InfoRegisterInternal(pVM, "hma", "Show the layout of the Hypervisor Memory Area.", mmR3HyperInfoHma);
130
131	LogFlow(("mmR3HyperInit: returns VINF_SUCCESS\n"));
132	return VINF_SUCCESS;
133	}
134	/* Caller will do proper cleanup. */
135	}
136	}
137
138	LogFlow(("mmR3HyperInit: returns %Rrc\n", rc));
139	return rc;
140	}
141
142
143	/**
144	* Finalizes the HMA mapping.
145	*
146	* This is called later during init, most (all) HMA allocations should be done
147	* by the time this function is called.
148	*
149	* @returns VBox status.
150	*/
151	VMMR3DECL(int) MMR3HyperInitFinalize(PVM pVM)
152	{
153	LogFlow(("MMR3HyperInitFinalize:\n"));
154
155	/*
156	* Adjust and create the HMA mapping.
157	*/
158	while ((RTINT)pVM->mm.s.offHyperNextStatic + 64*_1K < (RTINT)pVM->mm.s.cbHyperArea - _4M)
159	pVM->mm.s.cbHyperArea -= _4M;
160	int rc = PGMR3MapPT(pVM, pVM->mm.s.pvHyperAreaGC, pVM->mm.s.cbHyperArea, 0 /fFlags/,
161	mmR3HyperRelocateCallback, NULL, "Hypervisor Memory Area");
162	if (RT_FAILURE(rc))
163	return rc;
164	pVM->mm.s.fPGMInitialized = true;
165
166	/*
167	* Do all the delayed mappings.
168	*/
169	PMMLOOKUPHYPER pLookup = (PMMLOOKUPHYPER)((uintptr_t)pVM->mm.s.pHyperHeapR3 + pVM->mm.s.offLookupHyper);
170	for (;;)
171	{
172	RTGCPTR GCPtr = pVM->mm.s.pvHyperAreaGC + pLookup->off;
173	uint32_t cPages = pLookup->cb >> PAGE_SHIFT;
174	switch (pLookup->enmType)
175	{
176	case MMLOOKUPHYPERTYPE_LOCKED:
177	{
178	PCRTHCPHYS paHCPhysPages = pLookup->u.Locked.paHCPhysPages;
179	for (uint32_t i = 0; i < cPages; i++)
180	{
181	rc = PGMMap(pVM, GCPtr + (i << PAGE_SHIFT), paHCPhysPages[i], PAGE_SIZE, 0);
182	AssertRCReturn(rc, rc);
183	}
184	break;
185	}
186
187	case MMLOOKUPHYPERTYPE_HCPHYS:
188	rc = PGMMap(pVM, GCPtr, pLookup->u.HCPhys.HCPhys, pLookup->cb, 0);
189	break;
190
191	case MMLOOKUPHYPERTYPE_GCPHYS:
192	{
193	const RTGCPHYS GCPhys = pLookup->u.GCPhys.GCPhys;
194	const uint32_t cb = pLookup->cb;
195	for (uint32_t off = 0; off < cb; off += PAGE_SIZE)
196	{
197	RTHCPHYS HCPhys;
198	rc = PGMPhysGCPhys2HCPhys(pVM, GCPhys + off, &HCPhys);
199	if (RT_FAILURE(rc))
200	break;
201	rc = PGMMap(pVM, GCPtr + off, HCPhys, PAGE_SIZE, 0);
202	if (RT_FAILURE(rc))
203	break;
204	}
205	break;
206	}
207
208	case MMLOOKUPHYPERTYPE_MMIO2:
209	{
210	const RTGCPHYS offEnd = pLookup->u.MMIO2.off + pLookup->cb;
211	for (RTGCPHYS offCur = pLookup->u.MMIO2.off; offCur < offEnd; offCur += PAGE_SIZE)
212	{
213	RTHCPHYS HCPhys;
214	rc = PGMR3PhysMMIO2GetHCPhys(pVM, pLookup->u.MMIO2.pDevIns, pLookup->u.MMIO2.iRegion, offCur, &HCPhys);
215	if (RT_FAILURE(rc))
216	break;
217	rc = PGMMap(pVM, GCPtr + (offCur - pLookup->u.MMIO2.off), HCPhys, PAGE_SIZE, 0);
218	if (RT_FAILURE(rc))
219	break;
220	}
221	break;
222	}
223
224	case MMLOOKUPHYPERTYPE_DYNAMIC:
225	/* do nothing here since these are either fences or managed by someone else using PGM. */
226	break;
227
228	default:
229	AssertMsgFailed(("enmType=%d\n", pLookup->enmType));
230	break;
231	}
232
233	if (RT_FAILURE(rc))
234	{
235	AssertMsgFailed(("rc=%Rrc cb=%d off=%#RX32 enmType=%d pszDesc=%s\n",
236	rc, pLookup->cb, pLookup->off, pLookup->enmType, pLookup->pszDesc));
237	return rc;
238	}
239
240	/* next */
241	if (pLookup->offNext == (int32_t)NIL_OFFSET)
242	break;
243	pLookup = (PMMLOOKUPHYPER)((uintptr_t)pLookup + pLookup->offNext);
244	}
245
246	LogFlow(("MMR3HyperInitFinalize: returns VINF_SUCCESS\n"));
247	return VINF_SUCCESS;
248	}
249
250
251	/**
252	* Callback function which will be called when PGM is trying to find
253	* a new location for the mapping.
254	*
255	* The callback is called in two modes, 1) the check mode and 2) the relocate mode.
256	* In 1) the callback should say if it objects to a suggested new location. If it
257	* accepts the new location, it is called again for doing it's relocation.
258	*
259	*
260	* @returns true if the location is ok.
261	* @returns false if another location should be found.
262	* @param pVM The VM handle.
263	* @param GCPtrOld The old virtual address.
264	* @param GCPtrNew The new virtual address.
265	* @param enmMode Used to indicate the callback mode.
266	* @param pvUser User argument. Ignored.
267	* @remark The return value is no a failure indicator, it's an acceptance
268	* indicator. Relocation can not fail!
269	*/
270	static DECLCALLBACK(bool) mmR3HyperRelocateCallback(PVM pVM, RTGCPTR GCPtrOld, RTGCPTR GCPtrNew, PGMRELOCATECALL enmMode, void *pvUser)
271	{
272	switch (enmMode)
273	{
274	/*
275	* Verify location - all locations are good for us.
276	*/
277	case PGMRELOCATECALL_SUGGEST:
278	return true;
279
280	/*
281	* Execute the relocation.
282	*/
283	case PGMRELOCATECALL_RELOCATE:
284	{
285	/*
286	* Accepted!
287	*/
288	AssertMsg(GCPtrOld == pVM->mm.s.pvHyperAreaGC, ("GCPtrOld=%RGv pVM->mm.s.pvHyperAreaGC=%RGv\n", GCPtrOld, pVM->mm.s.pvHyperAreaGC));
289	Log(("Relocating the hypervisor from %RGv to %RGv\n", GCPtrOld, GCPtrNew));
290
291	/*
292	* Relocate the VM structure and ourselves.
293	*/
294	RTGCINTPTR offDelta = GCPtrNew - GCPtrOld;
295	pVM->pVMRC += offDelta;
296	for (uint32_t i = 0; i < pVM->cCPUs; i++)
297	pVM->aCpus[i].pVMRC = pVM->pVMRC;
298
299	pVM->mm.s.pvHyperAreaGC += offDelta;
300	Assert(pVM->mm.s.pvHyperAreaGC < _4G);
301	pVM->mm.s.pHyperHeapRC += offDelta;
302	pVM->mm.s.pHyperHeapR3->pbHeapRC += offDelta;
303	pVM->mm.s.pHyperHeapR3->pVMRC = pVM->pVMRC;
304
305	/*
306	* Relocate the rest.
307	*/
308	VMR3Relocate(pVM, offDelta);
309	return true;
310	}
311
312	default:
313	AssertMsgFailed(("Invalid relocation mode %d\n", enmMode));
314	}
315
316	return false;
317	}
318
319
320	/**
321	* Maps contiguous HC physical memory into the hypervisor region in the GC.
322	*
323	* @return VBox status code.
324	*
325	* @param pVM VM handle.
326	* @param pvR3 Ring-3 address of the memory. Must be page aligned!
327	* @param pvR0 Optional ring-0 address of the memory.
328	* @param HCPhys Host context physical address of the memory to be
329	* mapped. Must be page aligned!
330	* @param cb Size of the memory. Will be rounded up to nearest page.
331	* @param pszDesc Description.
332	* @param pGCPtr Where to store the GC address.
333	*/
334	VMMR3DECL(int) MMR3HyperMapHCPhys(PVM pVM, void pvR3, RTR0PTR pvR0, RTHCPHYS HCPhys, size_t cb, const char pszDesc, PRTGCPTR pGCPtr)
335	{
336	LogFlow(("MMR3HyperMapHCPhys: pvR3=%p pvR0=%p HCPhys=%RHp cb=%d pszDesc=%p:{%s} pGCPtr=%p\n", pvR3, pvR0, HCPhys, (int)cb, pszDesc, pszDesc, pGCPtr));
337
338	/*
339	* Validate input.
340	*/
341	AssertReturn(RT_ALIGN_P(pvR3, PAGE_SIZE) == pvR3, VERR_INVALID_PARAMETER);
342	AssertReturn(RT_ALIGN_T(pvR0, PAGE_SIZE, RTR0PTR) == pvR0, VERR_INVALID_PARAMETER);
343	AssertReturn(RT_ALIGN_T(HCPhys, PAGE_SIZE, RTHCPHYS) == HCPhys, VERR_INVALID_PARAMETER);
344	AssertReturn(pszDesc && *pszDesc, VERR_INVALID_PARAMETER);
345
346	/*
347	* Add the memory to the hypervisor area.
348	*/
349	uint32_t cbAligned = RT_ALIGN_32(cb, PAGE_SIZE);
350	AssertReturn(cbAligned >= cb, VERR_INVALID_PARAMETER);
351	RTGCPTR GCPtr;
352	PMMLOOKUPHYPER pLookup;
353	int rc = mmR3HyperMap(pVM, cbAligned, pszDesc, &GCPtr, &pLookup);
354	if (RT_SUCCESS(rc))
355	{
356	pLookup->enmType = MMLOOKUPHYPERTYPE_HCPHYS;
357	pLookup->u.HCPhys.pvR3 = pvR3;
358	pLookup->u.HCPhys.pvR0 = pvR0;
359	pLookup->u.HCPhys.HCPhys = HCPhys;
360
361	/*
362	* Update the page table.
363	*/
364	if (pVM->mm.s.fPGMInitialized)
365	rc = PGMMap(pVM, GCPtr, HCPhys, cbAligned, 0);
366	if (RT_SUCCESS(rc))
367	*pGCPtr = GCPtr;
368	}
369	return rc;
370	}
371
372
373	/**
374	* Maps contiguous GC physical memory into the hypervisor region in the GC.
375	*
376	* @return VBox status code.
377	*
378	* @param pVM VM handle.
379	* @param GCPhys Guest context physical address of the memory to be mapped. Must be page aligned!
380	* @param cb Size of the memory. Will be rounded up to nearest page.
381	* @param pszDesc Mapping description.
382	* @param pGCPtr Where to store the GC address.
383	*/
384	VMMR3DECL(int) MMR3HyperMapGCPhys(PVM pVM, RTGCPHYS GCPhys, size_t cb, const char *pszDesc, PRTGCPTR pGCPtr)
385	{
386	LogFlow(("MMR3HyperMapGCPhys: GCPhys=%RGp cb=%d pszDesc=%p:{%s} pGCPtr=%p\n", GCPhys, (int)cb, pszDesc, pszDesc, pGCPtr));
387
388	/*
389	* Validate input.
390	*/
391	AssertReturn(RT_ALIGN_T(GCPhys, PAGE_SIZE, RTGCPHYS) == GCPhys, VERR_INVALID_PARAMETER);
392	AssertReturn(pszDesc && *pszDesc, VERR_INVALID_PARAMETER);
393
394	/*
395	* Add the memory to the hypervisor area.
396	*/
397	cb = RT_ALIGN_Z(cb, PAGE_SIZE);
398	RTGCPTR GCPtr;
399	PMMLOOKUPHYPER pLookup;
400	int rc = mmR3HyperMap(pVM, cb, pszDesc, &GCPtr, &pLookup);
401	if (RT_SUCCESS(rc))
402	{
403	pLookup->enmType = MMLOOKUPHYPERTYPE_GCPHYS;
404	pLookup->u.GCPhys.GCPhys = GCPhys;
405
406	/*
407	* Update the page table.
408	*/
409	for (unsigned off = 0; off < cb; off += PAGE_SIZE)
410	{
411	RTHCPHYS HCPhys;
412	rc = PGMPhysGCPhys2HCPhys(pVM, GCPhys + off, &HCPhys);
413	AssertRC(rc);
414	if (RT_FAILURE(rc))
415	{
416	AssertMsgFailed(("rc=%Rrc GCPhys=%RGp off=%#x %s\n", rc, GCPhys, off, pszDesc));
417	break;
418	}
419	if (pVM->mm.s.fPGMInitialized)
420	{
421	rc = PGMMap(pVM, GCPtr + off, HCPhys, PAGE_SIZE, 0);
422	AssertRC(rc);
423	if (RT_FAILURE(rc))
424	{
425	AssertMsgFailed(("rc=%Rrc GCPhys=%RGp off=%#x %s\n", rc, GCPhys, off, pszDesc));
426	break;
427	}
428	}
429	}
430
431	if (RT_SUCCESS(rc) && pGCPtr)
432	*pGCPtr = GCPtr;
433	}
434	return rc;
435	}
436
437
438	/**
439	* Maps a portion of an MMIO2 region into the hypervisor region.
440	*
441	* Callers of this API must never deregister the MMIO2 region before the
442	* VM is powered off. If this becomes a requirement MMR3HyperUnmapMMIO2
443	* API will be needed to perform cleanups.
444	*
445	* @return VBox status code.
446	*
447	* @param pVM Pointer to the shared VM structure.
448	* @param pDevIns The device owning the MMIO2 memory.
449	* @param iRegion The region.
450	* @param off The offset into the region. Will be rounded down to closest page boundrary.
451	* @param cb The number of bytes to map. Will be rounded up to the closest page boundrary.
452	* @param pszDesc Mapping description.
453	* @param pRCPtr Where to store the RC address.
454	*/
455	VMMR3DECL(int) MMR3HyperMapMMIO2(PVM pVM, PPDMDEVINS pDevIns, uint32_t iRegion, RTGCPHYS off, RTGCPHYS cb,
456	const char *pszDesc, PRTRCPTR pRCPtr)
457	{
458	LogFlow(("MMR3HyperMapMMIO2: pDevIns=%p iRegion=%#x off=%RGp cb=%RGp pszDesc=%p:{%s} pRCPtr=%p\n",
459	pDevIns, iRegion, off, cb, pszDesc, pszDesc, pRCPtr));
460	int rc;
461
462	/*
463	* Validate input.
464	*/
465	AssertReturn(pszDesc && *pszDesc, VERR_INVALID_PARAMETER);
466	AssertReturn(off + cb > off, VERR_INVALID_PARAMETER);
467	uint32_t const offPage = off & PAGE_OFFSET_MASK;
468	off &= ~(RTGCPHYS)PAGE_OFFSET_MASK;
469	cb += offPage;
470	cb = RT_ALIGN_Z(cb, PAGE_SIZE);
471	const RTGCPHYS offEnd = off + cb;
472	AssertReturn(offEnd > off, VERR_INVALID_PARAMETER);
473	for (RTGCPHYS offCur = off; offCur < offEnd; offCur += PAGE_SIZE)
474	{
475	RTHCPHYS HCPhys;
476	rc = PGMR3PhysMMIO2GetHCPhys(pVM, pDevIns, iRegion, offCur, &HCPhys);
477	AssertMsgRCReturn(rc, ("rc=%Rrc - iRegion=%d off=%RGp\n", rc, iRegion, off), rc);
478	}
479
480	/*
481	* Add the memory to the hypervisor area.
482	*/
483	RTGCPTR GCPtr;
484	PMMLOOKUPHYPER pLookup;
485	rc = mmR3HyperMap(pVM, cb, pszDesc, &GCPtr, &pLookup);
486	if (RT_SUCCESS(rc))
487	{
488	pLookup->enmType = MMLOOKUPHYPERTYPE_MMIO2;
489	pLookup->u.MMIO2.pDevIns = pDevIns;
490	pLookup->u.MMIO2.iRegion = iRegion;
491	pLookup->u.MMIO2.off = off;
492
493	/*
494	* Update the page table.
495	*/
496	if (pVM->mm.s.fPGMInitialized)
497	{
498	for (RTGCPHYS offCur = off; offCur < offEnd; offCur += PAGE_SIZE)
499	{
500	RTHCPHYS HCPhys;
501	rc = PGMR3PhysMMIO2GetHCPhys(pVM, pDevIns, iRegion, offCur, &HCPhys);
502	AssertRCReturn(rc, VERR_INTERNAL_ERROR);
503	rc = PGMMap(pVM, GCPtr + (offCur - off), HCPhys, PAGE_SIZE, 0);
504	if (RT_FAILURE(rc))
505	{
506	AssertMsgFailed(("rc=%Rrc offCur=%RGp %s\n", rc, offCur, pszDesc));
507	break;
508	}
509	}
510	}
511
512	if (RT_SUCCESS(rc))
513	{
514	GCPtr \|= offPage;
515	*pRCPtr = GCPtr;
516	AssertLogRelReturn(*pRCPtr == GCPtr, VERR_INTERNAL_ERROR);
517	}
518	}
519	return rc;
520	}
521
522
523	/**
524	* Maps locked R3 virtual memory into the hypervisor region in the GC.
525	*
526	* @return VBox status code.
527	*
528	* @param pVM VM handle.
529	* @param pvR3 The ring-3 address of the memory, must be page aligned.
530	* @param pvR0 The ring-0 address of the memory, must be page aligned. (optional)
531	* @param cPages The number of pages.
532	* @param paPages The page descriptors.
533	* @param pszDesc Mapping description.
534	* @param pGCPtr Where to store the GC address corresponding to pvR3.
535	*/
536	VMMR3DECL(int) MMR3HyperMapPages(PVM pVM, void pvR3, RTR0PTR pvR0, size_t cPages, PCSUPPAGE paPages, const char pszDesc, PRTGCPTR pGCPtr)
537	{
538	LogFlow(("MMR3HyperMapPages: pvR3=%p pvR0=%p cPages=%zu paPages=%p pszDesc=%p:{%s} pGCPtr=%p\n",
539	pvR3, pvR0, cPages, paPages, pszDesc, pszDesc, pGCPtr));
540
541	/*
542	* Validate input.
543	*/
544	AssertPtrReturn(pvR3, VERR_INVALID_POINTER);
545	AssertPtrReturn(paPages, VERR_INVALID_POINTER);
546	AssertReturn(cPages > 0, VERR_PAGE_COUNT_OUT_OF_RANGE);
547	AssertReturn(cPages <= VBOX_MAX_ALLOC_PAGE_COUNT, VERR_PAGE_COUNT_OUT_OF_RANGE);
548	AssertPtrReturn(pszDesc, VERR_INVALID_POINTER);
549	AssertReturn(*pszDesc, VERR_INVALID_PARAMETER);
550	AssertPtrReturn(pGCPtr, VERR_INVALID_PARAMETER);
551
552	/*
553	* Add the memory to the hypervisor area.
554	*/
555	RTGCPTR GCPtr;
556	PMMLOOKUPHYPER pLookup;
557	int rc = mmR3HyperMap(pVM, cPages << PAGE_SHIFT, pszDesc, &GCPtr, &pLookup);
558	if (RT_SUCCESS(rc))
559	{
560	/*
561	* Copy the physical page addresses and tell PGM about them.
562	*/
563	PRTHCPHYS paHCPhysPages = (PRTHCPHYS)MMR3HeapAlloc(pVM, MM_TAG_MM, sizeof(RTHCPHYS) * cPages);
564	if (paHCPhysPages)
565	{
566	for (size_t i = 0; i < cPages; i++)
567	{
568	AssertReleaseMsgReturn(paPages[i].Phys != 0 && paPages[i].Phys != NIL_RTHCPHYS && !(paPages[i].Phys & PAGE_OFFSET_MASK),
569	("i=%#zx Phys=%RHp %s\n", i, paPages[i].Phys, pszDesc),
570	VERR_INTERNAL_ERROR);
571	paHCPhysPages[i] = paPages[i].Phys;
572	}
573
574	if (pVM->mm.s.fPGMInitialized)
575	{
576	for (size_t i = 0; i < cPages; i++)
577	{
578	rc = PGMMap(pVM, GCPtr + (i << PAGE_SHIFT), paHCPhysPages[i], PAGE_SIZE, 0);
579	AssertRCBreak(rc);
580	}
581	}
582	if (RT_SUCCESS(rc))
583	{
584	pLookup->enmType = MMLOOKUPHYPERTYPE_LOCKED;
585	pLookup->u.Locked.pvR3 = pvR3;
586	pLookup->u.Locked.pvR0 = pvR0;
587	pLookup->u.Locked.paHCPhysPages = paHCPhysPages;
588
589	/* done. */
590	*pGCPtr = GCPtr;
591	return rc;
592	}
593	/* Don't care about failure clean, we're screwed if this fails anyway. */
594	}
595	}
596
597	return rc;
598	}
599
600
601	/**
602	* Reserves a hypervisor memory area.
603	* Most frequent usage is fence pages and dynamically mappings like the guest PD and PDPT.
604	*
605	* @return VBox status code.
606	*
607	* @param pVM VM handle.
608	* @param cb Size of the memory. Will be rounded up to nearest page.
609	* @param pszDesc Mapping description.
610	* @param pGCPtr Where to store the assigned GC address. Optional.
611	*/
612	VMMR3DECL(int) MMR3HyperReserve(PVM pVM, unsigned cb, const char *pszDesc, PRTGCPTR pGCPtr)
613	{
614	LogFlow(("MMR3HyperMapHCRam: cb=%d pszDesc=%p:{%s} pGCPtr=%p\n", (int)cb, pszDesc, pszDesc, pGCPtr));
615
616	/*
617	* Validate input.
618	*/
619	if ( cb <= 0
620	\|\| !pszDesc
621	\|\| !*pszDesc)
622	{
623	AssertMsgFailed(("Invalid parameter\n"));
624	return VERR_INVALID_PARAMETER;
625	}
626
627	/*
628	* Add the memory to the hypervisor area.
629	*/
630	RTGCPTR GCPtr;
631	PMMLOOKUPHYPER pLookup;
632	int rc = mmR3HyperMap(pVM, cb, pszDesc, &GCPtr, &pLookup);
633	if (RT_SUCCESS(rc))
634	{
635	pLookup->enmType = MMLOOKUPHYPERTYPE_DYNAMIC;
636	if (pGCPtr)
637	*pGCPtr = GCPtr;
638	return VINF_SUCCESS;
639	}
640	return rc;
641	}
642
643
644	/**
645	* Adds memory to the hypervisor memory arena.
646	*
647	* @return VBox status code.
648	* @param pVM The VM handle.
649	* @param cb Size of the memory. Will be rounded up to neares page.
650	* @param pszDesc The description of the memory.
651	* @param pGCPtr Where to store the GC address.
652	* @param ppLookup Where to store the pointer to the lookup record.
653	* @remark We assume the threading structure of VBox imposes natural
654	* serialization of most functions, this one included.
655	*/
656	static int mmR3HyperMap(PVM pVM, const size_t cb, const char pszDesc, PRTGCPTR pGCPtr, PMMLOOKUPHYPER ppLookup)
657	{
658	/*
659	* Validate input.
660	*/
661	const uint32_t cbAligned = RT_ALIGN_32(cb, PAGE_SIZE);
662	AssertReturn(cbAligned >= cb, VERR_INVALID_PARAMETER);
663	if (pVM->mm.s.offHyperNextStatic + cbAligned >= pVM->mm.s.cbHyperArea) /* don't use the last page, it's a fence. */
664	{
665	AssertMsgFailed(("Out of static mapping space in the HMA! offHyperAreaGC=%x cbAligned=%x cbHyperArea=%x\n",
666	pVM->mm.s.offHyperNextStatic, cbAligned, pVM->mm.s.cbHyperArea));
667	return VERR_NO_MEMORY;
668	}
669
670	/*
671	* Allocate lookup record.
672	*/
673	PMMLOOKUPHYPER pLookup;
674	int rc = MMHyperAlloc(pVM, sizeof(pLookup), 1, MM_TAG_MM, (void *)&pLookup);
675	if (RT_SUCCESS(rc))
676	{
677	/*
678	* Initialize it and insert it.
679	*/
680	pLookup->offNext = pVM->mm.s.offLookupHyper;
681	pLookup->cb = cbAligned;
682	pLookup->off = pVM->mm.s.offHyperNextStatic;
683	pVM->mm.s.offLookupHyper = (uint8_t )pLookup - (uint8_t )pVM->mm.s.pHyperHeapR3;
684	if (pLookup->offNext != (int32_t)NIL_OFFSET)
685	pLookup->offNext -= pVM->mm.s.offLookupHyper;
686	pLookup->enmType = MMLOOKUPHYPERTYPE_INVALID;
687	memset(&pLookup->u, 0xff, sizeof(pLookup->u));
688	pLookup->pszDesc = pszDesc;
689
690	/* Mapping. */
691	*pGCPtr = pVM->mm.s.pvHyperAreaGC + pVM->mm.s.offHyperNextStatic;
692	pVM->mm.s.offHyperNextStatic += cbAligned;
693
694	/* Return pointer. */
695	*ppLookup = pLookup;
696	}
697
698	AssertRC(rc);
699	LogFlow(("mmR3HyperMap: returns %Rrc pGCPtr=%RGv\n", rc, pGCPtr));
700	return rc;
701	}
702
703
704	/**
705	* Allocates a new heap.
706	*
707	* @returns VBox status code.
708	* @param pVM The VM handle.
709	* @param cb The size of the new heap.
710	* @param ppHeap Where to store the heap pointer on successful return.
711	* @param pR0PtrHeap Where to store the ring-0 address of the heap on
712	* success.
713	*/
714	static int mmR3HyperHeapCreate(PVM pVM, const size_t cb, PMMHYPERHEAP *ppHeap, PRTR0PTR pR0PtrHeap)
715	{
716	/*
717	* Allocate the hypervisor heap.
718	*/
719	const uint32_t cbAligned = RT_ALIGN_32(cb, PAGE_SIZE);
720	AssertReturn(cbAligned >= cb, VERR_INVALID_PARAMETER);
721	uint32_t const cPages = cbAligned >> PAGE_SHIFT;
722	PSUPPAGE paPages = (PSUPPAGE)MMR3HeapAlloc(pVM, MM_TAG_MM, cPages * sizeof(paPages[0]));
723	if (!paPages)
724	return VERR_NO_MEMORY;
725	void *pv;
726	RTR0PTR pvR0 = NIL_RTR0PTR;
727	int rc = SUPR3PageAllocEx(cPages,
728	0 /fFlags/,
729	&pv,
730	#ifdef VBOX_WITH_2X_4GB_ADDR_SPACE
731	VMMIsHwVirtExtForced(pVM) ? &pvR0 : NULL,
732	#else
733	NULL,
734	#endif
735	paPages);
736	if (RT_SUCCESS(rc))
737	{
738	#ifdef VBOX_WITH_2X_4GB_ADDR_SPACE
739	if (!VMMIsHwVirtExtForced(pVM))
740	pvR0 = NIL_RTR0PTR;
741	#else
742	pvR0 = (uintptr_t)pv;
743	#endif
744	memset(pv, 0, cbAligned);
745
746	/*
747	* Initialize the heap and first free chunk.
748	*/
749	PMMHYPERHEAP pHeap = (PMMHYPERHEAP)pv;
750	pHeap->u32Magic = MMHYPERHEAP_MAGIC;
751	pHeap->pbHeapR3 = (uint8_t *)pHeap + MMYPERHEAP_HDR_SIZE;
752	pHeap->pbHeapR0 = pvR0 != NIL_RTR0PTR ? pvR0 + MMYPERHEAP_HDR_SIZE : NIL_RTR0PTR;
753	//pHeap->pbHeapRC = 0; // set by mmR3HyperHeapMap()
754	pHeap->pVMR3 = pVM;
755	pHeap->pVMR0 = pVM->pVMR0;
756	pHeap->pVMRC = pVM->pVMRC;
757	pHeap->cbHeap = cbAligned - MMYPERHEAP_HDR_SIZE;
758	pHeap->cbFree = pHeap->cbHeap - sizeof(MMHYPERCHUNK);
759	//pHeap->offFreeHead = 0;
760	//pHeap->offFreeTail = 0;
761	pHeap->offPageAligned = pHeap->cbHeap;
762	//pHeap->HyperHeapStatTree = 0;
763	pHeap->paPages = paPages;
764
765	PMMHYPERCHUNKFREE pFree = (PMMHYPERCHUNKFREE)pHeap->pbHeapR3;
766	pFree->cb = pHeap->cbFree;
767	//pFree->core.offNext = 0;
768	MMHYPERCHUNK_SET_TYPE(&pFree->core, MMHYPERCHUNK_FLAGS_FREE);
769	pFree->core.offHeap = -(int32_t)MMYPERHEAP_HDR_SIZE;
770	//pFree->offNext = 0;
771	//pFree->offPrev = 0;
772
773	STAMR3Register(pVM, &pHeap->cbHeap, STAMTYPE_U32, STAMVISIBILITY_ALWAYS, "/MM/HyperHeap/cbHeap", STAMUNIT_BYTES, "The heap size.");
774	STAMR3Register(pVM, &pHeap->cbFree, STAMTYPE_U32, STAMVISIBILITY_ALWAYS, "/MM/HyperHeap/cbFree", STAMUNIT_BYTES, "The free space.");
775
776	*ppHeap = pHeap;
777	*pR0PtrHeap = pvR0;
778	return VINF_SUCCESS;
779	}
780	AssertMsgFailed(("SUPR3PageAllocEx(%d,,,,) -> %Rrc\n", cbAligned >> PAGE_SHIFT, rc));
781
782	*ppHeap = NULL;
783	return rc;
784	}
785
786
787	/**
788	* Allocates a new heap.
789	*/
790	static int mmR3HyperHeapMap(PVM pVM, PMMHYPERHEAP pHeap, PRTGCPTR ppHeapGC)
791	{
792	Assert(RT_ALIGN_Z(pHeap->cbHeap + MMYPERHEAP_HDR_SIZE, PAGE_SIZE) == pHeap->cbHeap + MMYPERHEAP_HDR_SIZE);
793	Assert(pHeap->paPages);
794	int rc = MMR3HyperMapPages(pVM,
795	pHeap,
796	pHeap->pbHeapR0 != NIL_RTR0PTR ? pHeap->pbHeapR0 - MMYPERHEAP_HDR_SIZE : NIL_RTR0PTR,
797	(pHeap->cbHeap + MMYPERHEAP_HDR_SIZE) >> PAGE_SHIFT,
798	pHeap->paPages,
799	"Heap", ppHeapGC);
800	if (RT_SUCCESS(rc))
801	{
802	pHeap->pVMRC = pVM->pVMRC;
803	pHeap->pbHeapRC = *ppHeapGC + MMYPERHEAP_HDR_SIZE;
804	/* Reserve a page for fencing. */
805	MMR3HyperReserve(pVM, PAGE_SIZE, "fence", NULL);
806
807	/* We won't need these any more. */
808	MMR3HeapFree(pHeap->paPages);
809	pHeap->paPages = NULL;
810	}
811	return rc;
812	}
813
814
815	#if 0
816	/**
817	* Destroys a heap.
818	*/
819	static int mmR3HyperHeapDestroy(PVM pVM, PMMHYPERHEAP pHeap)
820	{
821	/* all this is dealt with when unlocking and freeing locked memory. */
822	}
823	#endif
824
825
826	/**
827	* Allocates memory in the Hypervisor (GC VMM) area which never will
828	* be freed and doesn't have any offset based relation to other heap blocks.
829	*
830	* The latter means that two blocks allocated by this API will not have the
831	* same relative position to each other in GC and HC. In short, never use
832	* this API for allocating nodes for an offset based AVL tree!
833	*
834	* The returned memory is of course zeroed.
835	*
836	* @returns VBox status code.
837	* @param pVM The VM to operate on.
838	* @param cb Number of bytes to allocate.
839	* @param uAlignment Required memory alignment in bytes.
840	* Values are 0,8,16,32 and PAGE_SIZE.
841	* 0 -> default alignment, i.e. 8 bytes.
842	* @param enmTag The statistics tag.
843	* @param ppv Where to store the address to the allocated
844	* memory.
845	* @remark This is assumed not to be used at times when serialization is required.
846	*/
847	VMMDECL(int) MMR3HyperAllocOnceNoRel(PVM pVM, size_t cb, unsigned uAlignment, MMTAG enmTag, void **ppv)
848	{
849	AssertMsg(cb >= 8, ("Hey! Do you really mean to allocate less than 8 bytes?! cb=%d\n", cb));
850
851	/*
852	* Choose between allocating a new chunk of HMA memory
853	* and the heap. We will only do BIG allocations from HMA and
854	* only at creation time.
855	*/
856	if ( ( cb < _64K
857	&& ( uAlignment != PAGE_SIZE
858	\|\| cb < 48*_1K))
859	\|\| VMR3GetState(pVM) != VMSTATE_CREATING)
860	{
861	int rc = MMHyperAlloc(pVM, cb, uAlignment, enmTag, ppv);
862	if ( rc != VERR_MM_HYPER_NO_MEMORY
863	\|\| cb <= 8*_1K)
864	{
865	Log2(("MMR3HyperAllocOnceNoRel: cb=%#zx uAlignment=%#x returns %Rrc and *ppv=%p\n",
866	cb, uAlignment, rc, *ppv));
867	return rc;
868	}
869	}
870
871	/*
872	* Validate alignment.
873	*/
874	switch (uAlignment)
875	{
876	case 0:
877	case 8:
878	case 16:
879	case 32:
880	case PAGE_SIZE:
881	break;
882	default:
883	AssertMsgFailed(("Invalid alignment %u\n", uAlignment));
884	return VERR_INVALID_PARAMETER;
885	}
886
887	/*
888	* Allocate the pages and map them into HMA space.
889	*/
890	uint32_t const cbAligned = RT_ALIGN_32(cb, PAGE_SIZE);
891	AssertReturn(cbAligned >= cb, VERR_INVALID_PARAMETER);
892	uint32_t const cPages = cbAligned >> PAGE_SHIFT;
893	PSUPPAGE paPages = (PSUPPAGE)RTMemTmpAlloc(cPages * sizeof(paPages[0]));
894	if (!paPages)
895	return VERR_NO_TMP_MEMORY;
896	void *pvPages;
897	RTR0PTR pvR0 = NIL_RTR0PTR;
898	int rc = SUPR3PageAllocEx(cPages,
899	0 /fFlags/,
900	&pvPages,
901	#ifdef VBOX_WITH_2X_4GB_ADDR_SPACE
902	VMMIsHwVirtExtForced(pVM) ? &pvR0 : NULL,
903	#else
904	NULL,
905	#endif
906	paPages);
907	if (RT_SUCCESS(rc))
908	{
909	#ifdef VBOX_WITH_2X_4GB_ADDR_SPACE
910	if (!VMMIsHwVirtExtForced(pVM))
911	pvR0 = NIL_RTR0PTR;
912	#else
913	pvR0 = (uintptr_t)pvPages;
914	#endif
915	memset(pvPages, 0, cbAligned);
916
917	RTGCPTR GCPtr;
918	rc = MMR3HyperMapPages(pVM,
919	pvPages,
920	pvR0,
921	cPages,
922	paPages,
923	MMR3HeapAPrintf(pVM, MM_TAG_MM, "alloc once (%s)", mmR3GetTagName(enmTag)),
924	&GCPtr);
925	if (RT_SUCCESS(rc))
926	{
927	*ppv = pvPages;
928	Log2(("MMR3HyperAllocOnceNoRel: cbAligned=%#x uAlignment=%#x returns VINF_SUCCESS and *ppv=%p\n",
929	cbAligned, uAlignment, *ppv));
930	MMR3HyperReserve(pVM, PAGE_SIZE, "fence", NULL);
931	return rc;
932	}
933	AssertMsgFailed(("Failed to allocate %zd bytes! %Rrc\n", cbAligned, rc));
934	SUPR3PageFreeEx(pvPages, cPages);
935
936
937	/*
938	* HACK ALERT! Try allocate it off the heap so that we don't freak
939	* out during vga/vmmdev mmio2 allocation with certain ram sizes.
940	*/
941	/** @todo make a proper fix for this so we will never end up in this kind of situation! */
942	Log(("MMR3HyperAllocOnceNoRel: MMR3HyperMapHCRam failed with rc=%Rrc, try MMHyperAlloc(,%#x,,) instead\n", rc, cb));
943	int rc2 = MMHyperAlloc(pVM, cb, uAlignment, enmTag, ppv);
944	if (RT_SUCCESS(rc2))
945	{
946	Log2(("MMR3HyperAllocOnceNoRel: cb=%#x uAlignment=%#x returns %Rrc and *ppv=%p\n",
947	cb, uAlignment, rc, *ppv));
948	return rc;
949	}
950	}
951	else
952	AssertMsgFailed(("Failed to allocate %zd bytes! %Rrc\n", cbAligned, rc));
953
954	if (rc == VERR_NO_MEMORY)
955	rc = VERR_MM_HYPER_NO_MEMORY;
956	LogRel(("MMR3HyperAllocOnceNoRel: cb=%#zx uAlignment=%#x returns %Rrc\n", cb, uAlignment, rc));
957	return rc;
958	}
959
960
961	/**
962	* Convert hypervisor HC virtual address to HC physical address.
963	*
964	* @returns HC physical address.
965	* @param pVM VM Handle
966	* @param pvR3 Host context virtual address.
967	*/
968	VMMR3DECL(RTHCPHYS) MMR3HyperHCVirt2HCPhys(PVM pVM, void *pvR3)
969	{
970	PMMLOOKUPHYPER pLookup = (PMMLOOKUPHYPER)((uint8_t *)pVM->mm.s.pHyperHeapR3 + pVM->mm.s.offLookupHyper);
971	for (;;)
972	{
973	switch (pLookup->enmType)
974	{
975	case MMLOOKUPHYPERTYPE_LOCKED:
976	{
977	unsigned off = (uint8_t )pvR3 - (uint8_t )pLookup->u.Locked.pvR3;
978	if (off < pLookup->cb)
979	return pLookup->u.Locked.paHCPhysPages[off >> PAGE_SHIFT] \| (off & PAGE_OFFSET_MASK);
980	break;
981	}
982
983	case MMLOOKUPHYPERTYPE_HCPHYS:
984	{
985	unsigned off = (uint8_t )pvR3 - (uint8_t )pLookup->u.HCPhys.pvR3;
986	if (off < pLookup->cb)
987	return pLookup->u.HCPhys.HCPhys + off;
988	break;
989	}
990
991	case MMLOOKUPHYPERTYPE_GCPHYS:
992	case MMLOOKUPHYPERTYPE_MMIO2:
993	case MMLOOKUPHYPERTYPE_DYNAMIC:
994	/* can (or don't want to) convert these kind of records. */
995	break;
996
997	default:
998	AssertMsgFailed(("enmType=%d\n", pLookup->enmType));
999	break;
1000	}
1001
1002	/* next */
1003	if ((unsigned)pLookup->offNext == NIL_OFFSET)
1004	break;
1005	pLookup = (PMMLOOKUPHYPER)((uint8_t *)pLookup + pLookup->offNext);
1006	}
1007
1008	AssertMsgFailed(("pvR3=%p is not inside the hypervisor memory area!\n", pvR3));
1009	return NIL_RTHCPHYS;
1010	}
1011
1012
1013	#if 0 /* unused, not implemented */
1014	/**
1015	* Convert hypervisor HC physical address to HC virtual address.
1016	*
1017	* @returns HC virtual address.
1018	* @param pVM VM Handle
1019	* @param HCPhys Host context physical address.
1020	*/
1021	VMMR3DECL(void *) MMR3HyperHCPhys2HCVirt(PVM pVM, RTHCPHYS HCPhys)
1022	{
1023	void *pv;
1024	int rc = MMR3HyperHCPhys2HCVirtEx(pVM, HCPhys, &pv);
1025	if (RT_SUCCESS(rc))
1026	return pv;
1027	AssertMsgFailed(("Invalid address HCPhys=%x rc=%d\n", HCPhys, rc));
1028	return NULL;
1029	}
1030
1031
1032	/**
1033	* Convert hypervisor HC physical address to HC virtual address.
1034	*
1035	* @returns VBox status.
1036	* @param pVM VM Handle
1037	* @param HCPhys Host context physical address.
1038	* @param ppv Where to store the HC virtual address.
1039	*/
1040	VMMR3DECL(int) MMR3HyperHCPhys2HCVirtEx(PVM pVM, RTHCPHYS HCPhys, void **ppv)
1041	{
1042	/*
1043	* Linear search.
1044	*/
1045	/** @todo implement when actually used. */
1046	return VERR_INVALID_POINTER;
1047	}
1048	#endif /* unused, not implemented */
1049
1050
1051	/**
1052	* Read hypervisor memory from GC virtual address.
1053	*
1054	* @returns VBox status.
1055	* @param pVM VM handle.
1056	* @param pvDst Destination address (HC of course).
1057	* @param GCPtr GC virtual address.
1058	* @param cb Number of bytes to read.
1059	*
1060	* @remarks For DBGF only.
1061	*/
1062	VMMR3DECL(int) MMR3HyperReadGCVirt(PVM pVM, void *pvDst, RTGCPTR GCPtr, size_t cb)
1063	{
1064	if (GCPtr - pVM->mm.s.pvHyperAreaGC >= pVM->mm.s.cbHyperArea)
1065	return VERR_INVALID_PARAMETER;
1066	return PGMR3MapRead(pVM, pvDst, GCPtr, cb);
1067	}
1068
1069
1070	/**
1071	* Info handler for 'hma', it dumps the list of lookup records for the hypervisor memory area.
1072	*
1073	* @param pVM The VM handle.
1074	* @param pHlp Callback functions for doing output.
1075	* @param pszArgs Argument string. Optional and specific to the handler.
1076	*/
1077	static DECLCALLBACK(void) mmR3HyperInfoHma(PVM pVM, PCDBGFINFOHLP pHlp, const char *pszArgs)
1078	{
1079	pHlp->pfnPrintf(pHlp, "Hypervisor Memory Area (HMA) Layout: Base %RGv, 0x%08x bytes\n",
1080	pVM->mm.s.pvHyperAreaGC, pVM->mm.s.cbHyperArea);
1081
1082	PMMLOOKUPHYPER pLookup = (PMMLOOKUPHYPER)((uint8_t *)pVM->mm.s.pHyperHeapR3 + pVM->mm.s.offLookupHyper);
1083	for (;;)
1084	{
1085	switch (pLookup->enmType)
1086	{
1087	case MMLOOKUPHYPERTYPE_LOCKED:
1088	pHlp->pfnPrintf(pHlp, "%RGv-%RGv %RHv %RHv LOCKED %-*s %s\n",
1089	pLookup->off + pVM->mm.s.pvHyperAreaGC,
1090	pLookup->off + pVM->mm.s.pvHyperAreaGC + pLookup->cb,
1091	pLookup->u.Locked.pvR3,
1092	pLookup->u.Locked.pvR0,
1093	sizeof(RTHCPTR) * 2, "",
1094	pLookup->pszDesc);
1095	break;
1096
1097	case MMLOOKUPHYPERTYPE_HCPHYS:
1098	pHlp->pfnPrintf(pHlp, "%RGv-%RGv %RHv %RHv HCPHYS %RHp %s\n",
1099	pLookup->off + pVM->mm.s.pvHyperAreaGC,
1100	pLookup->off + pVM->mm.s.pvHyperAreaGC + pLookup->cb,
1101	pLookup->u.HCPhys.pvR3,
1102	pLookup->u.HCPhys.pvR0,
1103	pLookup->u.HCPhys.HCPhys,
1104	pLookup->pszDesc);
1105	break;
1106
1107	case MMLOOKUPHYPERTYPE_GCPHYS:
1108	pHlp->pfnPrintf(pHlp, "%RGv-%RGv %s GCPHYS %RGp%s %s\n",
1109	pLookup->off + pVM->mm.s.pvHyperAreaGC,
1110	pLookup->off + pVM->mm.s.pvHyperAreaGC + pLookup->cb,
1111	sizeof(RTHCPTR) * 2 * 2 + 1, "",
1112	pLookup->u.GCPhys.GCPhys, RT_ABS((int)(sizeof(RTHCPHYS) - sizeof(RTGCPHYS))) * 2, "",
1113	pLookup->pszDesc);
1114	break;
1115
1116	case MMLOOKUPHYPERTYPE_MMIO2:
1117	pHlp->pfnPrintf(pHlp, "%RGv-%RGv %s MMIO2 %RGp%s %s\n",
1118	pLookup->off + pVM->mm.s.pvHyperAreaGC,
1119	pLookup->off + pVM->mm.s.pvHyperAreaGC + pLookup->cb,
1120	sizeof(RTHCPTR) * 2 * 2 + 1, "",
1121	pLookup->u.MMIO2.off, RT_ABS((int)(sizeof(RTHCPHYS) - sizeof(RTGCPHYS))) * 2, "",
1122	pLookup->pszDesc);
1123	break;
1124
1125	case MMLOOKUPHYPERTYPE_DYNAMIC:
1126	pHlp->pfnPrintf(pHlp, "%RGv-%RGv %s DYNAMIC %s %s\n",
1127	pLookup->off + pVM->mm.s.pvHyperAreaGC,
1128	pLookup->off + pVM->mm.s.pvHyperAreaGC + pLookup->cb,
1129	sizeof(RTHCPTR) * 2 * 2 + 1, "",
1130	sizeof(RTHCPTR) * 2, "",
1131	pLookup->pszDesc);
1132	break;
1133
1134	default:
1135	AssertMsgFailed(("enmType=%d\n", pLookup->enmType));
1136	break;
1137	}
1138
1139	/* next */
1140	if ((unsigned)pLookup->offNext == NIL_OFFSET)
1141	break;
1142	pLookup = (PMMLOOKUPHYPER)((uint8_t *)pLookup + pLookup->offNext);
1143	}
1144	}
1145

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source: vbox/trunk/src/VBox/VMM/MMHyper.cpp@ 19626

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