MMHyper.cpp@ 14594

Last change on this file since 14594 was 14594, checked in by vboxsync, 16 years ago
PDMLdr,MMR3HyperMapHCRam: Converted the last MMR3HyperMapHCRam and removed the function.
Property svn:eol-style set to `native` Property svn:keywords set to `Id`
File size: 39.4 KB

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1	/* $Id: MMHyper.cpp 14594 2008-11-25 20:18:41Z 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);
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 = 1280*_1K;
81	else if (RT_FAILURE(rc))
82	{
83	LogRel(("MM/cbHyperHeap query -> %Rrc\n", rc));
84	AssertRCReturn(rc, rc);
85	}
86	cbHyperHeap = RT_ALIGN_32(cbHyperHeap, PAGE_SIZE);
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);
95	if (RT_SUCCESS(rc))
96	{
97	pVM->mm.s.pHyperHeapR0 = (uintptr_t)pVM->mm.s.pHyperHeapR3; /** @todo #1865: map into ring-0 / whatever. */
98
99	/*
100	* Make a small head fence to fend of accidental sequential access.
101	*/
102	MMR3HyperReserve(pVM, PAGE_SIZE, "fence", NULL);
103
104	/*
105	* Map the VM structure into the hypervisor space.
106	*/
107	AssertRelease(pVM->cbSelf == RT_UOFFSETOF(VM, aCpus[pVM->cCPUs]));
108	RTGCPTR GCPtr;
109	rc = MMR3HyperMapPages(pVM, pVM, pVM->pVMR0, RT_ALIGN_Z(pVM->cbSelf, PAGE_SIZE) >> PAGE_SHIFT, pVM->paVMPagesR3, "VM", &GCPtr);
110	if (RT_SUCCESS(rc))
111	{
112	pVM->pVMRC = (RTRCPTR)GCPtr;
113	for (uint32_t i = 0; i < pVM->cCPUs; i++)
114	pVM->aCpus[i].pVMRC = pVM->pVMRC;
115
116	/* Reserve a page for fencing. */
117	MMR3HyperReserve(pVM, PAGE_SIZE, "fence", NULL);
118
119	/*
120	* Map the heap into the hypervisor space.
121	*/
122	rc = mmR3HyperHeapMap(pVM, pVM->mm.s.pHyperHeapR3, &GCPtr);
123	if (RT_SUCCESS(rc))
124	{
125	pVM->mm.s.pHyperHeapRC = (RTRCPTR)GCPtr;
126	Assert(pVM->mm.s.pHyperHeapRC == GCPtr);
127
128	/*
129	* Register info handlers.
130	*/
131	DBGFR3InfoRegisterInternal(pVM, "hma", "Show the layout of the Hypervisor Memory Area.", mmR3HyperInfoHma);
132
133	LogFlow(("mmR3HyperInit: returns VINF_SUCCESS\n"));
134	return VINF_SUCCESS;
135	}
136	/* Caller will do proper cleanup. */
137	}
138	}
139
140	LogFlow(("mmR3HyperInit: returns %Rrc\n", rc));
141	return rc;
142	}
143
144
145	/**
146	* Finalizes the HMA mapping.
147	*
148	* This is called later during init, most (all) HMA allocations should be done
149	* by the time this function is called.
150	*
151	* @returns VBox status.
152	*/
153	VMMR3DECL(int) MMR3HyperInitFinalize(PVM pVM)
154	{
155	LogFlow(("MMR3HyperInitFinalize:\n"));
156
157	/*
158	* Adjust and create the HMA mapping.
159	*/
160	while ((RTINT)pVM->mm.s.offHyperNextStatic + 64*_1K < (RTINT)pVM->mm.s.cbHyperArea - _4M)
161	pVM->mm.s.cbHyperArea -= _4M;
162	int rc = PGMR3MapPT(pVM, pVM->mm.s.pvHyperAreaGC, pVM->mm.s.cbHyperArea,
163	mmR3HyperRelocateCallback, NULL, "Hypervisor Memory Area");
164	if (RT_FAILURE(rc))
165	return rc;
166	pVM->mm.s.fPGMInitialized = true;
167
168	/*
169	* Do all the delayed mappings.
170	*/
171	PMMLOOKUPHYPER pLookup = (PMMLOOKUPHYPER)((uintptr_t)pVM->mm.s.pHyperHeapR3 + pVM->mm.s.offLookupHyper);
172	for (;;)
173	{
174	RTGCPTR GCPtr = pVM->mm.s.pvHyperAreaGC + pLookup->off;
175	unsigned cPages = pLookup->cb >> PAGE_SHIFT;
176	switch (pLookup->enmType)
177	{
178	case MMLOOKUPHYPERTYPE_LOCKED:
179	rc = mmR3MapLocked(pVM, pLookup->u.Locked.pLockedMem, GCPtr, 0, cPages, 0);
180	break;
181
182	case MMLOOKUPHYPERTYPE_HCPHYS:
183	rc = PGMMap(pVM, GCPtr, pLookup->u.HCPhys.HCPhys, pLookup->cb, 0);
184	break;
185
186	case MMLOOKUPHYPERTYPE_GCPHYS:
187	{
188	const RTGCPHYS GCPhys = pLookup->u.GCPhys.GCPhys;
189	const size_t cb = pLookup->cb;
190	for (unsigned off = 0; off < cb; off += PAGE_SIZE)
191	{
192	RTHCPHYS HCPhys;
193	rc = PGMPhysGCPhys2HCPhys(pVM, GCPhys + off, &HCPhys);
194	if (RT_FAILURE(rc))
195	break;
196	rc = PGMMap(pVM, GCPtr + off, HCPhys, PAGE_SIZE, 0);
197	if (RT_FAILURE(rc))
198	break;
199	}
200	break;
201	}
202
203	case MMLOOKUPHYPERTYPE_MMIO2:
204	{
205	const RTGCPHYS offEnd = pLookup->u.MMIO2.off + pLookup->cb;
206	for (RTGCPHYS offCur = pLookup->u.MMIO2.off; offCur < offEnd; offCur += PAGE_SIZE)
207	{
208	RTHCPHYS HCPhys;
209	rc = PGMR3PhysMMIO2GetHCPhys(pVM, pLookup->u.MMIO2.pDevIns, pLookup->u.MMIO2.iRegion, offCur, &HCPhys);
210	if (RT_FAILURE(rc))
211	break;
212	rc = PGMMap(pVM, GCPtr + (offCur - pLookup->u.MMIO2.off), HCPhys, PAGE_SIZE, 0);
213	if (RT_FAILURE(rc))
214	break;
215	}
216	break;
217	}
218
219	case MMLOOKUPHYPERTYPE_DYNAMIC:
220	/* do nothing here since these are either fences or managed by someone else using PGM. */
221	break;
222
223	default:
224	AssertMsgFailed(("enmType=%d\n", pLookup->enmType));
225	break;
226	}
227
228	if (RT_FAILURE(rc))
229	{
230	AssertMsgFailed(("rc=%Rrc cb=%d off=%#RX32 enmType=%d pszDesc=%s\n",
231	rc, pLookup->cb, pLookup->off, pLookup->enmType, pLookup->pszDesc));
232	return rc;
233	}
234
235	/* next */
236	if (pLookup->offNext == (int32_t)NIL_OFFSET)
237	break;
238	pLookup = (PMMLOOKUPHYPER)((uintptr_t)pLookup + pLookup->offNext);
239	}
240
241	LogFlow(("MMR3HyperInitFinalize: returns VINF_SUCCESS\n"));
242	return VINF_SUCCESS;
243	}
244
245
246	/**
247	* Callback function which will be called when PGM is trying to find
248	* a new location for the mapping.
249	*
250	* The callback is called in two modes, 1) the check mode and 2) the relocate mode.
251	* In 1) the callback should say if it objects to a suggested new location. If it
252	* accepts the new location, it is called again for doing it's relocation.
253	*
254	*
255	* @returns true if the location is ok.
256	* @returns false if another location should be found.
257	* @param pVM The VM handle.
258	* @param GCPtrOld The old virtual address.
259	* @param GCPtrNew The new virtual address.
260	* @param enmMode Used to indicate the callback mode.
261	* @param pvUser User argument. Ignored.
262	* @remark The return value is no a failure indicator, it's an acceptance
263	* indicator. Relocation can not fail!
264	*/
265	static DECLCALLBACK(bool) mmR3HyperRelocateCallback(PVM pVM, RTGCPTR GCPtrOld, RTGCPTR GCPtrNew, PGMRELOCATECALL enmMode, void *pvUser)
266	{
267	switch (enmMode)
268	{
269	/*
270	* Verify location - all locations are good for us.
271	*/
272	case PGMRELOCATECALL_SUGGEST:
273	return true;
274
275	/*
276	* Execute the relocation.
277	*/
278	case PGMRELOCATECALL_RELOCATE:
279	{
280	/*
281	* Accepted!
282	*/
283	AssertMsg(GCPtrOld == pVM->mm.s.pvHyperAreaGC, ("GCPtrOld=%RGv pVM->mm.s.pvHyperAreaGC=%RGv\n", GCPtrOld, pVM->mm.s.pvHyperAreaGC));
284	Log(("Relocating the hypervisor from %RGv to %RGv\n", GCPtrOld, GCPtrNew));
285
286	/*
287	* Relocate the VM structure and ourselves.
288	*/
289	RTGCINTPTR offDelta = GCPtrNew - GCPtrOld;
290	pVM->pVMRC += offDelta;
291	for (uint32_t i = 0; i < pVM->cCPUs; i++)
292	pVM->aCpus[i].pVMRC = pVM->pVMRC;
293
294	pVM->mm.s.pvHyperAreaGC += offDelta;
295	Assert(pVM->mm.s.pvHyperAreaGC < _4G);
296	pVM->mm.s.pHyperHeapRC += offDelta;
297	pVM->mm.s.pHyperHeapR3->pbHeapRC += offDelta;
298	pVM->mm.s.pHyperHeapR3->pVMRC = pVM->pVMRC;
299
300	/*
301	* Relocate the rest.
302	*/
303	VMR3Relocate(pVM, offDelta);
304	return true;
305	}
306
307	default:
308	AssertMsgFailed(("Invalid relocation mode %d\n", enmMode));
309	}
310
311	return false;
312	}
313
314
315	/**
316	* Maps contiguous HC physical memory into the hypervisor region in the GC.
317	*
318	* @return VBox status code.
319	*
320	* @param pVM VM handle.
321	* @param pvR3 Host context address of the memory. Must be page
322	* aligned!
323	* @param HCPhys Host context physical address of the memory to be
324	* mapped. Must be page aligned!
325	* @param cb Size of the memory. Will be rounded up to nearest page.
326	* @param pszDesc Description.
327	* @param pGCPtr Where to store the GC address.
328	*/
329	VMMR3DECL(int) MMR3HyperMapHCPhys(PVM pVM, void pvR3, RTHCPHYS HCPhys, size_t cb, const char pszDesc, PRTGCPTR pGCPtr)
330	{
331	LogFlow(("MMR3HyperMapHCPhys: pvR3=%p HCPhys=%RHp cb=%d pszDesc=%p:{%s} pGCPtr=%p\n", pvR3, HCPhys, (int)cb, pszDesc, pszDesc, pGCPtr));
332
333	/*
334	* Validate input.
335	*/
336	AssertReturn(RT_ALIGN_P(pvR3, PAGE_SIZE) == pvR3, VERR_INVALID_PARAMETER);
337	AssertReturn(RT_ALIGN_T(HCPhys, PAGE_SIZE, RTHCPHYS) == HCPhys, VERR_INVALID_PARAMETER);
338	AssertReturn(pszDesc && *pszDesc, VERR_INVALID_PARAMETER);
339
340	/*
341	* Add the memory to the hypervisor area.
342	*/
343	uint32_t cbAligned = RT_ALIGN_32(cb, PAGE_SIZE);
344	AssertReturn(cbAligned >= cb, VERR_INVALID_PARAMETER);
345	RTGCPTR GCPtr;
346	PMMLOOKUPHYPER pLookup;
347	int rc = mmR3HyperMap(pVM, cbAligned, pszDesc, &GCPtr, &pLookup);
348	if (RT_SUCCESS(rc))
349	{
350	pLookup->enmType = MMLOOKUPHYPERTYPE_HCPHYS;
351	pLookup->u.HCPhys.pvR3 = pvR3;
352	pLookup->u.HCPhys.HCPhys = HCPhys;
353
354	/*
355	* Update the page table.
356	*/
357	if (pVM->mm.s.fPGMInitialized)
358	rc = PGMMap(pVM, GCPtr, HCPhys, cbAligned, 0);
359	if (RT_SUCCESS(rc))
360	*pGCPtr = GCPtr;
361	}
362	return rc;
363	}
364
365
366	/**
367	* Maps contiguous GC physical memory into the hypervisor region in the GC.
368	*
369	* @return VBox status code.
370	*
371	* @param pVM VM handle.
372	* @param GCPhys Guest context physical address of the memory to be mapped. Must be page aligned!
373	* @param cb Size of the memory. Will be rounded up to nearest page.
374	* @param pszDesc Mapping description.
375	* @param pGCPtr Where to store the GC address.
376	*/
377	VMMR3DECL(int) MMR3HyperMapGCPhys(PVM pVM, RTGCPHYS GCPhys, size_t cb, const char *pszDesc, PRTGCPTR pGCPtr)
378	{
379	LogFlow(("MMR3HyperMapGCPhys: GCPhys=%RGp cb=%d pszDesc=%p:{%s} pGCPtr=%p\n", GCPhys, (int)cb, pszDesc, pszDesc, pGCPtr));
380
381	/*
382	* Validate input.
383	*/
384	AssertReturn(RT_ALIGN_T(GCPhys, PAGE_SIZE, RTGCPHYS) == GCPhys, VERR_INVALID_PARAMETER);
385	AssertReturn(pszDesc && *pszDesc, VERR_INVALID_PARAMETER);
386
387	/*
388	* Add the memory to the hypervisor area.
389	*/
390	cb = RT_ALIGN_Z(cb, PAGE_SIZE);
391	RTGCPTR GCPtr;
392	PMMLOOKUPHYPER pLookup;
393	int rc = mmR3HyperMap(pVM, cb, pszDesc, &GCPtr, &pLookup);
394	if (RT_SUCCESS(rc))
395	{
396	pLookup->enmType = MMLOOKUPHYPERTYPE_GCPHYS;
397	pLookup->u.GCPhys.GCPhys = GCPhys;
398
399	/*
400	* Update the page table.
401	*/
402	for (unsigned off = 0; off < cb; off += PAGE_SIZE)
403	{
404	RTHCPHYS HCPhys;
405	rc = PGMPhysGCPhys2HCPhys(pVM, GCPhys + off, &HCPhys);
406	AssertRC(rc);
407	if (RT_FAILURE(rc))
408	{
409	AssertMsgFailed(("rc=%Rrc GCPhys=%RGp off=%#x %s\n", rc, GCPhys, off, pszDesc));
410	break;
411	}
412	if (pVM->mm.s.fPGMInitialized)
413	{
414	rc = PGMMap(pVM, GCPtr + off, HCPhys, PAGE_SIZE, 0);
415	AssertRC(rc);
416	if (RT_FAILURE(rc))
417	{
418	AssertMsgFailed(("rc=%Rrc GCPhys=%RGp off=%#x %s\n", rc, GCPhys, off, pszDesc));
419	break;
420	}
421	}
422	}
423
424	if (RT_SUCCESS(rc) && pGCPtr)
425	*pGCPtr = GCPtr;
426	}
427	return rc;
428	}
429
430
431	/**
432	* Maps a portion of an MMIO2 region into the hypervisor region.
433	*
434	* Callers of this API must never deregister the MMIO2 region before the
435	* VM is powered off. If this becomes a requirement MMR3HyperUnmapMMIO2
436	* API will be needed to perform cleanups.
437	*
438	* @return VBox status code.
439	*
440	* @param pVM Pointer to the shared VM structure.
441	* @param pDevIns The device owning the MMIO2 memory.
442	* @param iRegion The region.
443	* @param off The offset into the region. Will be rounded down to closest page boundrary.
444	* @param cb The number of bytes to map. Will be rounded up to the closest page boundrary.
445	* @param pszDesc Mapping description.
446	* @param pRCPtr Where to store the RC address.
447	*/
448	VMMR3DECL(int) MMR3HyperMapMMIO2(PVM pVM, PPDMDEVINS pDevIns, uint32_t iRegion, RTGCPHYS off, RTGCPHYS cb,
449	const char *pszDesc, PRTRCPTR pRCPtr)
450	{
451	LogFlow(("MMR3HyperMapMMIO2: pDevIns=%p iRegion=%#x off=%RGp cb=%RGp pszDesc=%p:{%s} pRCPtr=%p\n",
452	pDevIns, iRegion, off, cb, pszDesc, pszDesc, pRCPtr));
453	int rc;
454
455	/*
456	* Validate input.
457	*/
458	AssertReturn(pszDesc && *pszDesc, VERR_INVALID_PARAMETER);
459	AssertReturn(off + cb > off, VERR_INVALID_PARAMETER);
460	uint32_t const offPage = off & PAGE_OFFSET_MASK;
461	off &= ~(RTGCPHYS)PAGE_OFFSET_MASK;
462	cb += offPage;
463	cb = RT_ALIGN_Z(cb, PAGE_SIZE);
464	const RTGCPHYS offEnd = off + cb;
465	AssertReturn(offEnd > off, VERR_INVALID_PARAMETER);
466	for (RTGCPHYS offCur = off; offCur < offEnd; offCur += PAGE_SIZE)
467	{
468	RTHCPHYS HCPhys;
469	rc = PGMR3PhysMMIO2GetHCPhys(pVM, pDevIns, iRegion, offCur, &HCPhys);
470	AssertMsgRCReturn(rc, ("rc=%Rrc - iRegion=%d off=%RGp\n", rc, iRegion, off), rc);
471	}
472
473	/*
474	* Add the memory to the hypervisor area.
475	*/
476	RTGCPTR GCPtr;
477	PMMLOOKUPHYPER pLookup;
478	rc = mmR3HyperMap(pVM, cb, pszDesc, &GCPtr, &pLookup);
479	if (RT_SUCCESS(rc))
480	{
481	pLookup->enmType = MMLOOKUPHYPERTYPE_MMIO2;
482	pLookup->u.MMIO2.pDevIns = pDevIns;
483	pLookup->u.MMIO2.iRegion = iRegion;
484	pLookup->u.MMIO2.off = off;
485
486	/*
487	* Update the page table.
488	*/
489	if (pVM->mm.s.fPGMInitialized)
490	{
491	for (RTGCPHYS offCur = off; offCur < offEnd; offCur += PAGE_SIZE)
492	{
493	RTHCPHYS HCPhys;
494	rc = PGMR3PhysMMIO2GetHCPhys(pVM, pDevIns, iRegion, offCur, &HCPhys);
495	AssertRCReturn(rc, VERR_INTERNAL_ERROR);
496	rc = PGMMap(pVM, GCPtr + (offCur - off), HCPhys, PAGE_SIZE, 0);
497	if (RT_FAILURE(rc))
498	{
499	AssertMsgFailed(("rc=%Rrc offCur=%RGp %s\n", rc, offCur, pszDesc));
500	break;
501	}
502	}
503	}
504
505	if (RT_SUCCESS(rc))
506	{
507	GCPtr \|= offPage;
508	*pRCPtr = GCPtr;
509	AssertLogRelReturn(*pRCPtr == GCPtr, VERR_INTERNAL_ERROR);
510	}
511	}
512	return rc;
513	}
514
515
516	/**
517	* Maps locked R3 virtual memory into the hypervisor region in the GC.
518	*
519	* @return VBox status code.
520	*
521	* @param pVM VM handle.
522	* @param pvR3 The ring-3 address of the memory, must be page aligned.
523	* @param pvR0 The ring-0 address of the memory, must be page aligned. (optional)
524	* @param cPages The number of pages.
525	* @param paPages The page descriptors.
526	* @param pszDesc Mapping description.
527	* @param pGCPtr Where to store the GC address corresponding to pvR3.
528	*/
529	VMMR3DECL(int) MMR3HyperMapPages(PVM pVM, void pvR3, RTR0PTR pvR0, size_t cPages, PCSUPPAGE paPages, const char pszDesc, PRTGCPTR pGCPtr)
530	{
531	LogFlow(("MMR3HyperMapPages: pvR3=%p pvR0=%p cPages=%zu paPages=%p pszDesc=%p:{%s} pGCPtr=%p\n",
532	pvR3, pvR0, cPages, paPages, pszDesc, pszDesc, pGCPtr));
533
534	/*
535	* Validate input.
536	*/
537	AssertPtrReturn(pvR3, VERR_INVALID_POINTER);
538	AssertPtrReturn(paPages, VERR_INVALID_POINTER);
539	AssertReturn(cPages > 0, VERR_INVALID_PARAMETER);
540	AssertReturn(cPages < 1024, VERR_INVALID_PARAMETER);
541	AssertPtrReturn(pszDesc, VERR_INVALID_POINTER);
542	AssertReturn(*pszDesc, VERR_INVALID_PARAMETER);
543	AssertPtrReturn(pGCPtr, VERR_INVALID_PARAMETER);
544
545	/*
546	* Add the memory to the hypervisor area.
547	*/
548	RTGCPTR GCPtr;
549	PMMLOOKUPHYPER pLookup;
550	int rc = mmR3HyperMap(pVM, cPages << PAGE_SHIFT, pszDesc, &GCPtr, &pLookup);
551	if (RT_SUCCESS(rc))
552	{
553	/*
554	* Create a locked memory record and tell PGM about this.
555	*/
556	PMMLOCKEDMEM pLockedMem = (PMMLOCKEDMEM)MMR3HeapAlloc(pVM, MM_TAG_MM, RT_OFFSETOF(MMLOCKEDMEM, aPhysPages[cPages]));
557	if (pLockedMem)
558	{
559	pLockedMem->pv = pvR3;
560	pLockedMem->cb = cPages << PAGE_SHIFT;
561	pLockedMem->eType = MM_LOCKED_TYPE_HYPER_PAGES;
562	memset(&pLockedMem->u, 0, sizeof(pLockedMem->u));
563	for (size_t i = 0; i < cPages; i++)
564	{
565	AssertReleaseReturn(paPages[i].Phys != 0 && paPages[i].Phys != NIL_RTHCPHYS && !(paPages[i].Phys & PAGE_OFFSET_MASK), VERR_INTERNAL_ERROR);
566	pLockedMem->aPhysPages[i].Phys = paPages[i].Phys;
567	pLockedMem->aPhysPages[i].uReserved = (RTHCUINTPTR)pLockedMem;
568	}
569
570	/* map the stuff into guest address space. */
571	if (pVM->mm.s.fPGMInitialized)
572	rc = mmR3MapLocked(pVM, pLockedMem, GCPtr, 0, ~(size_t)0, 0);
573	if (RT_SUCCESS(rc))
574	{
575	pLookup->enmType = MMLOOKUPHYPERTYPE_LOCKED;
576	pLookup->u.Locked.pvR3 = pvR3;
577	pLookup->u.Locked.pvR0 = pvR0;
578	pLookup->u.Locked.pLockedMem = pLockedMem;
579
580	/* done. */
581	*pGCPtr = GCPtr;
582	return rc;
583	}
584	/* Don't care about failure clean, we're screwed if this fails anyway. */
585	}
586	}
587
588	return rc;
589	}
590
591
592	/**
593	* Reserves a hypervisor memory area.
594	* Most frequent usage is fence pages and dynamically mappings like the guest PD and PDPT.
595	*
596	* @return VBox status code.
597	*
598	* @param pVM VM handle.
599	* @param cb Size of the memory. Will be rounded up to nearest page.
600	* @param pszDesc Mapping description.
601	* @param pGCPtr Where to store the assigned GC address. Optional.
602	*/
603	VMMR3DECL(int) MMR3HyperReserve(PVM pVM, unsigned cb, const char *pszDesc, PRTGCPTR pGCPtr)
604	{
605	LogFlow(("MMR3HyperMapHCRam: cb=%d pszDesc=%p:{%s} pGCPtr=%p\n", (int)cb, pszDesc, pszDesc, pGCPtr));
606
607	/*
608	* Validate input.
609	*/
610	if ( cb <= 0
611	\|\| !pszDesc
612	\|\| !*pszDesc)
613	{
614	AssertMsgFailed(("Invalid parameter\n"));
615	return VERR_INVALID_PARAMETER;
616	}
617
618	/*
619	* Add the memory to the hypervisor area.
620	*/
621	RTGCPTR GCPtr;
622	PMMLOOKUPHYPER pLookup;
623	int rc = mmR3HyperMap(pVM, cb, pszDesc, &GCPtr, &pLookup);
624	if (RT_SUCCESS(rc))
625	{
626	pLookup->enmType = MMLOOKUPHYPERTYPE_DYNAMIC;
627	if (pGCPtr)
628	*pGCPtr = GCPtr;
629	return VINF_SUCCESS;
630	}
631	return rc;
632	}
633
634
635	/**
636	* Adds memory to the hypervisor memory arena.
637	*
638	* @return VBox status code.
639	* @param pVM The VM handle.
640	* @param cb Size of the memory. Will be rounded up to neares page.
641	* @param pszDesc The description of the memory.
642	* @param pGCPtr Where to store the GC address.
643	* @param ppLookup Where to store the pointer to the lookup record.
644	* @remark We assume the threading structure of VBox imposes natural
645	* serialization of most functions, this one included.
646	*/
647	static int mmR3HyperMap(PVM pVM, const size_t cb, const char pszDesc, PRTGCPTR pGCPtr, PMMLOOKUPHYPER ppLookup)
648	{
649	/*
650	* Validate input.
651	*/
652	const uint32_t cbAligned = RT_ALIGN_32(cb, PAGE_SIZE);
653	AssertReturn(cbAligned >= cb, VERR_INVALID_PARAMETER);
654	if (pVM->mm.s.offHyperNextStatic + cbAligned >= pVM->mm.s.cbHyperArea) /* don't use the last page, it's a fence. */
655	{
656	AssertMsgFailed(("Out of static mapping space in the HMA! offHyperAreaGC=%x cbAligned=%x\n",
657	pVM->mm.s.offHyperNextStatic, cbAligned));
658	return VERR_NO_MEMORY;
659	}
660
661	/*
662	* Allocate lookup record.
663	*/
664	PMMLOOKUPHYPER pLookup;
665	int rc = MMHyperAlloc(pVM, sizeof(pLookup), 1, MM_TAG_MM, (void *)&pLookup);
666	if (RT_SUCCESS(rc))
667	{
668	/*
669	* Initialize it and insert it.
670	*/
671	pLookup->offNext = pVM->mm.s.offLookupHyper;
672	pLookup->cb = cbAligned;
673	pLookup->off = pVM->mm.s.offHyperNextStatic;
674	pVM->mm.s.offLookupHyper = (uint8_t )pLookup - (uint8_t )pVM->mm.s.pHyperHeapR3;
675	if (pLookup->offNext != (int32_t)NIL_OFFSET)
676	pLookup->offNext -= pVM->mm.s.offLookupHyper;
677	pLookup->enmType = MMLOOKUPHYPERTYPE_INVALID;
678	memset(&pLookup->u, 0xff, sizeof(pLookup->u));
679	pLookup->pszDesc = pszDesc;
680
681	/* Mapping. */
682	*pGCPtr = pVM->mm.s.pvHyperAreaGC + pVM->mm.s.offHyperNextStatic;
683	pVM->mm.s.offHyperNextStatic += cbAligned;
684
685	/* Return pointer. */
686	*ppLookup = pLookup;
687	}
688
689	AssertRC(rc);
690	LogFlow(("mmR3HyperMap: returns %Rrc pGCPtr=%RGv\n", rc, pGCPtr));
691	return rc;
692	}
693
694
695	/**
696	* Allocates a new heap.
697	*
698	* @returns VBox status code.
699	* @param pVM The VM handle.
700	* @param cb The size of the new heap.
701	* @param ppHeap Where to store the heap pointer on successful return.
702	*/
703	static int mmR3HyperHeapCreate(PVM pVM, const size_t cb, PMMHYPERHEAP *ppHeap)
704	{
705	/*
706	* Allocate the hypervisor heap.
707	*/
708	const uint32_t cbAligned = RT_ALIGN_32(cb, PAGE_SIZE);
709	AssertReturn(cbAligned >= cb, VERR_INVALID_PARAMETER);
710	uint32_t const cPages = cb >> PAGE_SHIFT;
711	PSUPPAGE paPages = (PSUPPAGE)MMR3HeapAlloc(pVM, MM_TAG_MM, cPages * sizeof(paPages[0]));
712	if (!paPages)
713	return VERR_NO_MEMORY;
714	void *pv;
715	RTR0PTR pvR0 = NIL_RTR0PTR;
716	int rc = SUPR3PageAllocEx(cPages,
717	0 /fFlags/,
718	&pv,
719	VMMIsHwVirtExtForced(pVM) ? &pvR0 : NULL,
720	paPages);
721	if (RT_SUCCESS(rc))
722	{
723	if (!VMMIsHwVirtExtForced(pVM))
724	pvR0 = (uintptr_t)pv;
725	memset(pv, 0, cbAligned);
726
727	/*
728	* Initialize the heap and first free chunk.
729	*/
730	PMMHYPERHEAP pHeap = (PMMHYPERHEAP)pv;
731	pHeap->u32Magic = MMHYPERHEAP_MAGIC;
732	pHeap->pbHeapR3 = (uint8_t *)pHeap + MMYPERHEAP_HDR_SIZE;
733	pHeap->pbHeapR0 = pvR0 + MMYPERHEAP_HDR_SIZE;
734	//pHeap->pbHeapRC = 0; // set by mmR3HyperHeapMap()
735	pHeap->pVMR3 = pVM;
736	pHeap->pVMR0 = pVM->pVMR0;
737	pHeap->pVMRC = pVM->pVMRC;
738	pHeap->cbHeap = cbAligned - MMYPERHEAP_HDR_SIZE;
739	pHeap->cbFree = pHeap->cbHeap - sizeof(MMHYPERCHUNK);
740	//pHeap->offFreeHead = 0;
741	//pHeap->offFreeTail = 0;
742	pHeap->offPageAligned = pHeap->cbHeap;
743	//pHeap->HyperHeapStatTree = 0;
744	pHeap->paPages = paPages;
745
746	PMMHYPERCHUNKFREE pFree = (PMMHYPERCHUNKFREE)pHeap->pbHeapR3;
747	pFree->cb = pHeap->cbFree;
748	//pFree->core.offNext = 0;
749	MMHYPERCHUNK_SET_TYPE(&pFree->core, MMHYPERCHUNK_FLAGS_FREE);
750	pFree->core.offHeap = -(int32_t)MMYPERHEAP_HDR_SIZE;
751	//pFree->offNext = 0;
752	//pFree->offPrev = 0;
753
754	STAMR3Register(pVM, &pHeap->cbHeap, STAMTYPE_U32, STAMVISIBILITY_ALWAYS, "/MM/HyperHeap/cbHeap", STAMUNIT_BYTES, "The heap size.");
755	STAMR3Register(pVM, &pHeap->cbFree, STAMTYPE_U32, STAMVISIBILITY_ALWAYS, "/MM/HyperHeap/cbFree", STAMUNIT_BYTES, "The free space.");
756
757	*ppHeap = pHeap;
758	return VINF_SUCCESS;
759	}
760	AssertMsgFailed(("SUPR3PageAllocEx(%d,,,,) -> %Rrc\n", cbAligned >> PAGE_SHIFT, rc));
761
762	*ppHeap = NULL;
763	return rc;
764	}
765
766
767	/**
768	* Allocates a new heap.
769	*/
770	static int mmR3HyperHeapMap(PVM pVM, PMMHYPERHEAP pHeap, PRTGCPTR ppHeapGC)
771	{
772	Assert(RT_ALIGN_Z(pHeap->cbHeap + MMYPERHEAP_HDR_SIZE, PAGE_SIZE) == pHeap->cbHeap + MMYPERHEAP_HDR_SIZE);
773	Assert(pHeap->paPages);
774	int rc = MMR3HyperMapPages(pVM,
775	pHeap,
776	pHeap->pbHeapR0 - MMYPERHEAP_HDR_SIZE,
777	(pHeap->cbHeap + MMYPERHEAP_HDR_SIZE) >> PAGE_SHIFT,
778	pHeap->paPages,
779	"Heap", ppHeapGC);
780	if (RT_SUCCESS(rc))
781	{
782	pHeap->pVMRC = pVM->pVMRC;
783	pHeap->pbHeapRC = *ppHeapGC + MMYPERHEAP_HDR_SIZE;
784	/* Reserve a page for fencing. */
785	MMR3HyperReserve(pVM, PAGE_SIZE, "fence", NULL);
786
787	/* We won't need these any more. */
788	MMR3HeapFree(pHeap->paPages);
789	pHeap->paPages = NULL;
790	}
791	return rc;
792	}
793
794
795	#if 0
796	/**
797	* Destroys a heap.
798	*/
799	static int mmR3HyperHeapDestroy(PVM pVM, PMMHYPERHEAP pHeap)
800	{
801	/* all this is dealt with when unlocking and freeing locked memory. */
802	}
803	#endif
804
805
806	/**
807	* Allocates memory in the Hypervisor (GC VMM) area which never will
808	* be freed and doesn't have any offset based relation to other heap blocks.
809	*
810	* The latter means that two blocks allocated by this API will not have the
811	* same relative position to each other in GC and HC. In short, never use
812	* this API for allocating nodes for an offset based AVL tree!
813	*
814	* The returned memory is of course zeroed.
815	*
816	* @returns VBox status code.
817	* @param pVM The VM to operate on.
818	* @param cb Number of bytes to allocate.
819	* @param uAlignment Required memory alignment in bytes.
820	* Values are 0,8,16,32 and PAGE_SIZE.
821	* 0 -> default alignment, i.e. 8 bytes.
822	* @param enmTag The statistics tag.
823	* @param ppv Where to store the address to the allocated
824	* memory.
825	* @remark This is assumed not to be used at times when serialization is required.
826	*/
827	VMMDECL(int) MMR3HyperAllocOnceNoRel(PVM pVM, size_t cb, unsigned uAlignment, MMTAG enmTag, void **ppv)
828	{
829	AssertMsg(cb >= 8, ("Hey! Do you really mean to allocate less than 8 bytes?! cb=%d\n", cb));
830
831	/*
832	* Choose between allocating a new chunk of HMA memory
833	* and the heap. We will only do BIG allocations from HMA.
834	*/
835	if ( cb < _64K
836	&& ( uAlignment != PAGE_SIZE
837	\|\| cb < 48*_1K))
838	{
839	int rc = MMHyperAlloc(pVM, cb, uAlignment, enmTag, ppv);
840	if ( rc != VERR_MM_HYPER_NO_MEMORY
841	\|\| cb <= 8*_1K)
842	{
843	Log2(("MMR3HyperAllocOnceNoRel: cb=%#zx uAlignment=%#x returns %Rrc and *ppv=%p\n",
844	cb, uAlignment, rc, *ppv));
845	return rc;
846	}
847	}
848
849	/*
850	* Validate alignment.
851	*/
852	switch (uAlignment)
853	{
854	case 0:
855	case 8:
856	case 16:
857	case 32:
858	case PAGE_SIZE:
859	break;
860	default:
861	AssertMsgFailed(("Invalid alignment %u\n", uAlignment));
862	return VERR_INVALID_PARAMETER;
863	}
864
865	/*
866	* Allocate the pages and map them into HMA space.
867	*/
868	cb = RT_ALIGN(cb, PAGE_SIZE);
869	uint32_t const cPages = cb >> PAGE_SHIFT;
870	PSUPPAGE paPages = (PSUPPAGE)RTMemTmpAlloc(cPages * sizeof(paPages[0]));
871	if (!paPages)
872	return VERR_NO_TMP_MEMORY;
873	void *pvPages;
874	RTR0PTR pvR0 = NIL_RTR0PTR;
875	int rc = SUPR3PageAllocEx(cPages,
876	0 /fFlags/,
877	&pvPages,
878	VMMIsHwVirtExtForced(pVM) ? &pvR0 : NULL,
879	paPages);
880	if (RT_SUCCESS(rc))
881	{
882	if (!VMMIsHwVirtExtForced(pVM))
883	pvR0 = (uintptr_t)pvPages;
884	memset(pvPages, 0, cb);
885
886	RTGCPTR GCPtr;
887	rc = MMR3HyperMapPages(pVM,
888	pvPages,
889	pvR0,
890	cPages,
891	paPages,
892	MMR3HeapAPrintf(pVM, MM_TAG_MM, "alloc once (%s)", mmR3GetTagName(enmTag)),
893	&GCPtr);
894	if (RT_SUCCESS(rc))
895	{
896	*ppv = pvPages;
897	Log2(("MMR3HyperAllocOnceNoRel: cb=%#x uAlignment=%#x returns VINF_SUCCESS and *ppv=%p\n",
898	cb, uAlignment, *ppv));
899	MMR3HyperReserve(pVM, PAGE_SIZE, "fence", NULL);
900	return rc;
901	}
902	AssertMsgFailed(("Failed to allocate %zd bytes! %Rrc\n", cb, rc));
903	SUPR3PageFreeEx(pvPages, cPages);
904
905
906	/*
907	* HACK ALERT! Try allocate it off the heap so that we don't freak
908	* out during vga/vmmdev mmio2 allocation with certain ram sizes.
909	*/
910	/** @todo make a proper fix for this so we will never end up in this kind of situation! */
911	Log(("MMR3HyperAllocOnceNoRel: MMR3HyperMapHCRam failed with rc=%Rrc, try MMHyperAlloc(,%#d,,) instead\n", rc, cb));
912	int rc2 = MMHyperAlloc(pVM, cb, uAlignment, enmTag, ppv);
913	if (RT_SUCCESS(rc2))
914	{
915	Log2(("MMR3HyperAllocOnceNoRel: cb=%#x uAlignment=%#x returns %Rrc and *ppv=%p\n",
916	cb, uAlignment, rc, *ppv));
917	return rc;
918	}
919	}
920	else
921	AssertMsgFailed(("Failed to allocate %zd bytes! %Rrc\n", cb, rc));
922
923	if (rc == VERR_NO_MEMORY)
924	rc = VERR_MM_HYPER_NO_MEMORY;
925	LogRel(("MMR3HyperAllocOnceNoRel: cb=%#zx uAlignment=%#x returns %Rrc\n", cb, uAlignment, rc));
926	return rc;
927	}
928
929
930	/**
931	* Convert hypervisor HC virtual address to HC physical address.
932	*
933	* @returns HC physical address.
934	* @param pVM VM Handle
935	* @param pvR3 Host context virtual address.
936	*/
937	VMMR3DECL(RTHCPHYS) MMR3HyperHCVirt2HCPhys(PVM pVM, void *pvR3)
938	{
939	PMMLOOKUPHYPER pLookup = (PMMLOOKUPHYPER)((uint8_t *)pVM->mm.s.pHyperHeapR3 + pVM->mm.s.offLookupHyper);
940	for (;;)
941	{
942	switch (pLookup->enmType)
943	{
944	case MMLOOKUPHYPERTYPE_LOCKED:
945	{
946	unsigned off = (uint8_t )pvR3 - (uint8_t )pLookup->u.Locked.pvR3;
947	if (off < pLookup->cb)
948	return (pLookup->u.Locked.pLockedMem->aPhysPages[off >> PAGE_SHIFT].Phys & X86_PTE_PAE_PG_MASK) \| (off & PAGE_OFFSET_MASK);
949	break;
950	}
951
952	case MMLOOKUPHYPERTYPE_HCPHYS:
953	{
954	unsigned off = (uint8_t )pvR3 - (uint8_t )pLookup->u.HCPhys.pvR3;
955	if (off < pLookup->cb)
956	return pLookup->u.HCPhys.HCPhys + off;
957	break;
958	}
959
960	case MMLOOKUPHYPERTYPE_GCPHYS:
961	case MMLOOKUPHYPERTYPE_MMIO2:
962	case MMLOOKUPHYPERTYPE_DYNAMIC:
963	/* can (or don't want to) convert these kind of records. */
964	break;
965
966	default:
967	AssertMsgFailed(("enmType=%d\n", pLookup->enmType));
968	break;
969	}
970
971	/* next */
972	if ((unsigned)pLookup->offNext == NIL_OFFSET)
973	break;
974	pLookup = (PMMLOOKUPHYPER)((uint8_t *)pLookup + pLookup->offNext);
975	}
976
977	AssertMsgFailed(("pvR3=%p is not inside the hypervisor memory area!\n", pvR3));
978	return NIL_RTHCPHYS;
979	}
980
981
982	#if 0 /* unused, not implemented */
983	/**
984	* Convert hypervisor HC physical address to HC virtual address.
985	*
986	* @returns HC virtual address.
987	* @param pVM VM Handle
988	* @param HCPhys Host context physical address.
989	*/
990	VMMR3DECL(void *) MMR3HyperHCPhys2HCVirt(PVM pVM, RTHCPHYS HCPhys)
991	{
992	void *pv;
993	int rc = MMR3HyperHCPhys2HCVirtEx(pVM, HCPhys, &pv);
994	if (RT_SUCCESS(rc))
995	return pv;
996	AssertMsgFailed(("Invalid address HCPhys=%x rc=%d\n", HCPhys, rc));
997	return NULL;
998	}
999
1000
1001	/**
1002	* Convert hypervisor HC physical address to HC virtual address.
1003	*
1004	* @returns VBox status.
1005	* @param pVM VM Handle
1006	* @param HCPhys Host context physical address.
1007	* @param ppv Where to store the HC virtual address.
1008	*/
1009	VMMR3DECL(int) MMR3HyperHCPhys2HCVirtEx(PVM pVM, RTHCPHYS HCPhys, void **ppv)
1010	{
1011	/*
1012	* Linear search.
1013	*/
1014	/** @todo implement when actually used. */
1015	return VERR_INVALID_POINTER;
1016	}
1017	#endif /* unused, not implemented */
1018
1019
1020	/**
1021	* Read hypervisor memory from GC virtual address.
1022	*
1023	* @returns VBox status.
1024	* @param pVM VM handle.
1025	* @param pvDst Destination address (HC of course).
1026	* @param GCPtr GC virtual address.
1027	* @param cb Number of bytes to read.
1028	*
1029	* @remarks For DBGF only.
1030	*/
1031	VMMR3DECL(int) MMR3HyperReadGCVirt(PVM pVM, void *pvDst, RTGCPTR GCPtr, size_t cb)
1032	{
1033	if (GCPtr - pVM->mm.s.pvHyperAreaGC >= pVM->mm.s.cbHyperArea)
1034	return VERR_INVALID_PARAMETER;
1035	return PGMR3MapRead(pVM, pvDst, GCPtr, cb);
1036	}
1037
1038
1039	/**
1040	* Info handler for 'hma', it dumps the list of lookup records for the hypervisor memory area.
1041	*
1042	* @param pVM The VM handle.
1043	* @param pHlp Callback functions for doing output.
1044	* @param pszArgs Argument string. Optional and specific to the handler.
1045	*/
1046	static DECLCALLBACK(void) mmR3HyperInfoHma(PVM pVM, PCDBGFINFOHLP pHlp, const char *pszArgs)
1047	{
1048	pHlp->pfnPrintf(pHlp, "Hypervisor Memory Area (HMA) Layout: Base %RGv, 0x%08x bytes\n",
1049	pVM->mm.s.pvHyperAreaGC, pVM->mm.s.cbHyperArea);
1050
1051	PMMLOOKUPHYPER pLookup = (PMMLOOKUPHYPER)((uint8_t *)pVM->mm.s.pHyperHeapR3 + pVM->mm.s.offLookupHyper);
1052	for (;;)
1053	{
1054	switch (pLookup->enmType)
1055	{
1056	case MMLOOKUPHYPERTYPE_LOCKED:
1057	pHlp->pfnPrintf(pHlp, "%RGv-%RGv %RHv LOCKED %-*s %s\n",
1058	pLookup->off + pVM->mm.s.pvHyperAreaGC,
1059	pLookup->off + pVM->mm.s.pvHyperAreaGC + pLookup->cb,
1060	pLookup->u.Locked.pvR3,
1061	sizeof(RTHCPTR) * 2,
1062	pLookup->u.Locked.pLockedMem->eType == MM_LOCKED_TYPE_HYPER_NOFREE ? "nofree"
1063	: pLookup->u.Locked.pLockedMem->eType == MM_LOCKED_TYPE_HYPER ? "autofree"
1064	: pLookup->u.Locked.pLockedMem->eType == MM_LOCKED_TYPE_HYPER_PAGES ? "pages"
1065	: pLookup->u.Locked.pLockedMem->eType == MM_LOCKED_TYPE_PHYS ? "gstphys"
1066	: "??",
1067	pLookup->pszDesc);
1068	break;
1069
1070	case MMLOOKUPHYPERTYPE_HCPHYS:
1071	pHlp->pfnPrintf(pHlp, "%RGv-%RGv %RHv HCPHYS %RHp %s\n",
1072	pLookup->off + pVM->mm.s.pvHyperAreaGC,
1073	pLookup->off + pVM->mm.s.pvHyperAreaGC + pLookup->cb,
1074	pLookup->u.HCPhys.pvR3, pLookup->u.HCPhys.HCPhys,
1075	pLookup->pszDesc);
1076	break;
1077
1078	case MMLOOKUPHYPERTYPE_GCPHYS:
1079	pHlp->pfnPrintf(pHlp, "%RGv-%RGv %s GCPHYS %RGp%s %s\n",
1080	pLookup->off + pVM->mm.s.pvHyperAreaGC,
1081	pLookup->off + pVM->mm.s.pvHyperAreaGC + pLookup->cb,
1082	sizeof(RTHCPTR) * 2, "",
1083	pLookup->u.GCPhys.GCPhys, RT_ABS((int)(sizeof(RTHCPHYS) - sizeof(RTGCPHYS))) * 2, "",
1084	pLookup->pszDesc);
1085	break;
1086
1087	case MMLOOKUPHYPERTYPE_MMIO2:
1088	pHlp->pfnPrintf(pHlp, "%RGv-%RGv %s MMIO2 %RGp%s %s\n",
1089	pLookup->off + pVM->mm.s.pvHyperAreaGC,
1090	pLookup->off + pVM->mm.s.pvHyperAreaGC + pLookup->cb,
1091	sizeof(RTHCPTR) * 2, "",
1092	pLookup->u.MMIO2.off, RT_ABS((int)(sizeof(RTHCPHYS) - sizeof(RTGCPHYS))) * 2, "",
1093	pLookup->pszDesc);
1094	break;
1095
1096	case MMLOOKUPHYPERTYPE_DYNAMIC:
1097	pHlp->pfnPrintf(pHlp, "%RGv-%RGv %s DYNAMIC %s %s\n",
1098	pLookup->off + pVM->mm.s.pvHyperAreaGC,
1099	pLookup->off + pVM->mm.s.pvHyperAreaGC + pLookup->cb,
1100	sizeof(RTHCPTR) * 2, "",
1101	sizeof(RTHCPTR) * 2, "",
1102	pLookup->pszDesc);
1103	break;
1104
1105	default:
1106	AssertMsgFailed(("enmType=%d\n", pLookup->enmType));
1107	break;
1108	}
1109
1110	/* next */
1111	if ((unsigned)pLookup->offNext == NIL_OFFSET)
1112	break;
1113	pLookup = (PMMLOOKUPHYPER)((uint8_t *)pLookup + pLookup->offNext);
1114	}
1115	}
1116

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source: vbox/trunk/src/VBox/VMM/MMHyper.cpp@ 14594

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