MMHyper.cpp@ 7954

Last change on this file since 7954 was 7715, checked in by vboxsync, 17 years ago
Renamed PDPTR to PDPT. Added preliminary code for executing code with X86_CR0_WP cleared (disabled).
Property svn:eol-style set to `native` Property svn:keywords set to `Id`
File size: 38.7 KB

Line
1	/* $Id: MMHyper.cpp 7715 2008-04-03 09:03:01Z vboxsync $ */
2	/** @file
3	* MM - Memory Monitor(/Manager) - Hypervisor Memory Area.
4	*/
5
6	/*
7	* Copyright (C) 2006-2007 innotek GmbH
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
18
19
20
21	/*******************************************************************************
22	* Header Files *
23	*******************************************************************************/
24	#define LOG_GROUP LOG_GROUP_MM_HYPER
25	#include <VBox/pgm.h>
26	#include <VBox/mm.h>
27	#include <VBox/dbgf.h>
28	#include "MMInternal.h"
29	#include <VBox/vm.h>
30	#include <VBox/err.h>
31	#include <VBox/param.h>
32	#include <VBox/log.h>
33	#include <iprt/alloc.h>
34	#include <iprt/assert.h>
35	#include <iprt/string.h>
36
37
38	/*******************************************************************************
39	* Internal Functions *
40	*******************************************************************************/
41	static DECLCALLBACK(bool) mmR3HyperRelocateCallback(PVM pVM, RTGCPTR GCPtrOld, RTGCPTR GCPtrNew, PGMRELOCATECALL enmMode, void *pvUser);
42	static int mmR3HyperMap(PVM pVM, const size_t cb, const char pszDesc, PRTGCPTR pGCPtr, PMMLOOKUPHYPER ppLookup);
43	static int mmR3HyperHeapCreate(PVM pVM, const size_t cb, PMMHYPERHEAP *ppHeap);
44	static int mmR3HyperHeapMap(PVM pVM, PMMHYPERHEAP pHeap, PRTGCPTR ppHeapGC);
45	static DECLCALLBACK(void) mmR3HyperInfoHma(PVM pVM, PCDBGFINFOHLP pHlp, const char *pszArgs);
46
47
48	/**
49	* Initializes the hypvervisor related MM stuff without
50	* calling down to PGM.
51	*
52	* PGM is not initialized at this point, PGM relies on
53	* the heap to initialize.
54	*
55	* @returns VBox status.
56	*/
57	int mmR3HyperInit(PVM pVM)
58	{
59	LogFlow(("mmR3HyperInit:\n"));
60
61	/*
62	* Decide Hypervisor mapping in the guest context
63	* And setup various hypervisor area and heap parameters.
64	*/
65	pVM->mm.s.pvHyperAreaGC = (RTGCPTR)MM_HYPER_AREA_ADDRESS;
66	pVM->mm.s.cbHyperArea = MM_HYPER_AREA_MAX_SIZE;
67	AssertRelease(RT_ALIGN_T(pVM->mm.s.pvHyperAreaGC, 1 << X86_PD_SHIFT, RTGCPTR) == pVM->mm.s.pvHyperAreaGC);
68	Assert(pVM->mm.s.pvHyperAreaGC < 0xff000000);
69
70	uint32_t cbHyperHeap;
71	int rc = CFGMR3QueryU32(CFGMR3GetChild(CFGMR3GetRoot(pVM), "MM"), "cbHyperHeap", &cbHyperHeap);
72	if (rc == VERR_CFGM_NO_PARENT \|\| rc == VERR_CFGM_VALUE_NOT_FOUND)
73	cbHyperHeap = 1280*_1K;
74	else if (VBOX_FAILURE(rc))
75	{
76	LogRel(("MM/cbHyperHeap query -> %Vrc\n", rc));
77	AssertRCReturn(rc, rc);
78	}
79	cbHyperHeap = RT_ALIGN_32(cbHyperHeap, PAGE_SIZE);
80
81	/*
82	* Allocate the hypervisor heap.
83	*
84	* (This must be done before we start adding memory to the
85	* hypervisor static area because lookup records are allocated from it.)
86	*/
87	rc = mmR3HyperHeapCreate(pVM, cbHyperHeap, &pVM->mm.s.pHyperHeapHC);
88	if (VBOX_SUCCESS(rc))
89	{
90	/*
91	* Make a small head fence to fend of accidental sequential access.
92	*/
93	MMR3HyperReserve(pVM, PAGE_SIZE, "fence", NULL);
94
95	/*
96	* Map the VM structure into the hypervisor space.
97	*/
98	rc = MMR3HyperMapPages(pVM, pVM, pVM->pVMR0, RT_ALIGN_Z(sizeof(VM), PAGE_SIZE) >> PAGE_SHIFT, pVM->paVMPagesR3, "VM", &pVM->pVMGC);
99	if (VBOX_SUCCESS(rc))
100	{
101	/* Reserve a page for fencing. */
102	MMR3HyperReserve(pVM, PAGE_SIZE, "fence", NULL);
103
104	/*
105	* Map the heap into the hypervisor space.
106	*/
107	rc = mmR3HyperHeapMap(pVM, pVM->mm.s.pHyperHeapHC, &pVM->mm.s.pHyperHeapGC);
108	if (VBOX_SUCCESS(rc))
109	{
110	/*
111	* Register info handlers.
112	*/
113	DBGFR3InfoRegisterInternal(pVM, "hma", "Show the layout of the Hypervisor Memory Area.", mmR3HyperInfoHma);
114
115	LogFlow(("mmR3HyperInit: returns VINF_SUCCESS\n"));
116	return VINF_SUCCESS;
117	}
118	/* Caller will do proper cleanup. */
119	}
120	}
121
122	LogFlow(("mmR3HyperInit: returns %Vrc\n", rc));
123	return rc;
124	}
125
126
127	/**
128	* Finalizes the HMA mapping.
129	*
130	* This is called later during init, most (all) HMA allocations should be done
131	* by the time this function is called.
132	*
133	* @returns VBox status.
134	*/
135	MMR3DECL(int) MMR3HyperInitFinalize(PVM pVM)
136	{
137	LogFlow(("MMR3HyperInitFinalize:\n"));
138
139	/*
140	* Adjust and create the HMA mapping.
141	*/
142	while ((RTINT)pVM->mm.s.offHyperNextStatic + 64*_1K < (RTINT)pVM->mm.s.cbHyperArea - _4M)
143	pVM->mm.s.cbHyperArea -= _4M;
144	int rc = PGMR3MapPT(pVM, pVM->mm.s.pvHyperAreaGC, pVM->mm.s.cbHyperArea,
145	mmR3HyperRelocateCallback, NULL, "Hypervisor Memory Area");
146	if (VBOX_FAILURE(rc))
147	return rc;
148	pVM->mm.s.fPGMInitialized = true;
149
150	/*
151	* Do all the delayed mappings.
152	*/
153	PMMLOOKUPHYPER pLookup = (PMMLOOKUPHYPER)((uintptr_t)pVM->mm.s.pHyperHeapHC + pVM->mm.s.offLookupHyper);
154	for (;;)
155	{
156	RTGCPTR GCPtr = pVM->mm.s.pvHyperAreaGC + pLookup->off;
157	unsigned cPages = pLookup->cb >> PAGE_SHIFT;
158	switch (pLookup->enmType)
159	{
160	case MMLOOKUPHYPERTYPE_LOCKED:
161	rc = mmR3MapLocked(pVM, pLookup->u.Locked.pLockedMem, GCPtr, 0, cPages, 0);
162	break;
163
164	case MMLOOKUPHYPERTYPE_HCPHYS:
165	rc = PGMMap(pVM, GCPtr, pLookup->u.HCPhys.HCPhys, pLookup->cb, 0);
166	break;
167
168	case MMLOOKUPHYPERTYPE_GCPHYS:
169	{
170	const RTGCPHYS GCPhys = pLookup->u.GCPhys.GCPhys;
171	const size_t cb = pLookup->cb;
172	for (unsigned off = 0; off < cb; off += PAGE_SIZE)
173	{
174	RTHCPHYS HCPhys;
175	rc = PGMPhysGCPhys2HCPhys(pVM, GCPhys + off, &HCPhys);
176	if (VBOX_FAILURE(rc))
177	break;
178	rc = PGMMap(pVM, GCPtr + off, HCPhys, PAGE_SIZE, 0);
179	if (VBOX_FAILURE(rc))
180	break;
181	}
182	break;
183	}
184
185	case MMLOOKUPHYPERTYPE_MMIO2:
186	{
187	const RTGCPHYS offEnd = pLookup->u.MMIO2.off + pLookup->cb;
188	for (RTGCPHYS offCur = pLookup->u.MMIO2.off; offCur < offEnd; offCur += PAGE_SIZE)
189	{
190	RTHCPHYS HCPhys;
191	rc = PGMR3PhysMMIO2GetHCPhys(pVM, pLookup->u.MMIO2.pDevIns, pLookup->u.MMIO2.iRegion, offCur, &HCPhys);
192	if (RT_FAILURE(rc))
193	break;
194	rc = PGMMap(pVM, GCPtr + (offCur - pLookup->u.MMIO2.off), HCPhys, PAGE_SIZE, 0);
195	if (RT_FAILURE(rc))
196	break;
197	}
198	break;
199	}
200
201	case MMLOOKUPHYPERTYPE_DYNAMIC:
202	/* do nothing here since these are either fences or managed by someone else using PGM. */
203	break;
204
205	default:
206	AssertMsgFailed(("enmType=%d\n", pLookup->enmType));
207	break;
208	}
209
210	if (VBOX_FAILURE(rc))
211	{
212	AssertMsgFailed(("rc=%Vrc cb=%d GCPtr=%VGv enmType=%d pszDesc=%s\n",
213	rc, pLookup->cb, pLookup->enmType, pLookup->pszDesc));
214	return rc;
215	}
216
217	/* next */
218	if (pLookup->offNext == (int32_t)NIL_OFFSET)
219	break;
220	pLookup = (PMMLOOKUPHYPER)((uintptr_t)pLookup + pLookup->offNext);
221	}
222
223	LogFlow(("MMR3HyperInitFinalize: returns VINF_SUCCESS\n"));
224	return VINF_SUCCESS;
225	}
226
227
228	/**
229	* Callback function which will be called when PGM is trying to find
230	* a new location for the mapping.
231	*
232	* The callback is called in two modes, 1) the check mode and 2) the relocate mode.
233	* In 1) the callback should say if it objects to a suggested new location. If it
234	* accepts the new location, it is called again for doing it's relocation.
235	*
236	*
237	* @returns true if the location is ok.
238	* @returns false if another location should be found.
239	* @param pVM The VM handle.
240	* @param GCPtrOld The old virtual address.
241	* @param GCPtrNew The new virtual address.
242	* @param enmMode Used to indicate the callback mode.
243	* @param pvUser User argument. Ignored.
244	* @remark The return value is no a failure indicator, it's an acceptance
245	* indicator. Relocation can not fail!
246	*/
247	static DECLCALLBACK(bool) mmR3HyperRelocateCallback(PVM pVM, RTGCPTR GCPtrOld, RTGCPTR GCPtrNew, PGMRELOCATECALL enmMode, void *pvUser)
248	{
249	switch (enmMode)
250	{
251	/*
252	* Verify location - all locations are good for us.
253	*/
254	case PGMRELOCATECALL_SUGGEST:
255	return true;
256
257	/*
258	* Execute the relocation.
259	*/
260	case PGMRELOCATECALL_RELOCATE:
261	{
262	/*
263	* Accepted!
264	*/
265	AssertMsg(GCPtrOld == pVM->mm.s.pvHyperAreaGC, ("GCPtrOld=%#x pVM->mm.s.pvHyperAreaGC=%#x\n", GCPtrOld, pVM->mm.s.pvHyperAreaGC));
266	Log(("Relocating the hypervisor from %#x to %#x\n", GCPtrOld, GCPtrNew));
267
268	/* relocate our selves and the VM structure. */
269	RTGCINTPTR offDelta = GCPtrNew - GCPtrOld;
270	pVM->pVMGC += offDelta;
271	pVM->mm.s.pvHyperAreaGC += offDelta;
272	pVM->mm.s.pHyperHeapGC += offDelta;
273	pVM->mm.s.pHyperHeapHC->pbHeapGC += offDelta;
274	pVM->mm.s.pHyperHeapHC->pVMGC += pVM->pVMGC;
275
276	/* relocate the rest. */
277	VMR3Relocate(pVM, offDelta);
278	return true;
279	}
280
281	default:
282	AssertMsgFailed(("Invalid relocation mode %d\n", enmMode));
283	}
284
285	return false;
286	}
287
288
289	/**
290	* Maps contiguous HC physical memory into the hypervisor region in the GC.
291	*
292	* @return VBox status code.
293	*
294	* @param pVM VM handle.
295	* @param pvHC Host context address of the memory. Must be page aligned!
296	* @param HCPhys Host context physical address of the memory to be mapped. Must be page aligned!
297	* @param cb Size of the memory. Will be rounded up to nearest page.
298	* @param pszDesc Description.
299	* @param pGCPtr Where to store the GC address.
300	*/
301	MMR3DECL(int) MMR3HyperMapHCPhys(PVM pVM, void pvHC, RTHCPHYS HCPhys, size_t cb, const char pszDesc, PRTGCPTR pGCPtr)
302	{
303	LogFlow(("MMR3HyperMapHCPhys: pvHc=%p HCPhys=%VHp cb=%d pszDesc=%p:{%s} pGCPtr=%p\n", pvHC, HCPhys, (int)cb, pszDesc, pszDesc, pGCPtr));
304
305	/*
306	* Validate input.
307	*/
308	AssertReturn(RT_ALIGN_P(pvHC, PAGE_SIZE) == pvHC, VERR_INVALID_PARAMETER);
309	AssertReturn(RT_ALIGN_T(HCPhys, PAGE_SIZE, RTHCPHYS) == HCPhys, VERR_INVALID_PARAMETER);
310	AssertReturn(pszDesc && *pszDesc, VERR_INVALID_PARAMETER);
311
312	/*
313	* Add the memory to the hypervisor area.
314	*/
315	uint32_t cbAligned = RT_ALIGN_32(cb, PAGE_SIZE);
316	AssertReturn(cbAligned >= cb, VERR_INVALID_PARAMETER);
317	RTGCPTR GCPtr;
318	PMMLOOKUPHYPER pLookup;
319	int rc = mmR3HyperMap(pVM, cbAligned, pszDesc, &GCPtr, &pLookup);
320	if (VBOX_SUCCESS(rc))
321	{
322	pLookup->enmType = MMLOOKUPHYPERTYPE_HCPHYS;
323	pLookup->u.HCPhys.pvHC = pvHC;
324	pLookup->u.HCPhys.HCPhys = HCPhys;
325
326	/*
327	* Update the page table.
328	*/
329	if (pVM->mm.s.fPGMInitialized)
330	rc = PGMMap(pVM, GCPtr, HCPhys, cbAligned, 0);
331	if (VBOX_SUCCESS(rc))
332	*pGCPtr = GCPtr;
333	}
334	return rc;
335	}
336
337
338	/**
339	* Maps contiguous GC physical memory into the hypervisor region in the GC.
340	*
341	* @return VBox status code.
342	*
343	* @param pVM VM handle.
344	* @param GCPhys Guest context physical address of the memory to be mapped. Must be page aligned!
345	* @param cb Size of the memory. Will be rounded up to nearest page.
346	* @param pszDesc Mapping description.
347	* @param pGCPtr Where to store the GC address.
348	*/
349	MMR3DECL(int) MMR3HyperMapGCPhys(PVM pVM, RTGCPHYS GCPhys, size_t cb, const char *pszDesc, PRTGCPTR pGCPtr)
350	{
351	LogFlow(("MMR3HyperMapGCPhys: GCPhys=%VGp cb=%d pszDesc=%p:{%s} pGCPtr=%p\n", GCPhys, (int)cb, pszDesc, pszDesc, pGCPtr));
352
353	/*
354	* Validate input.
355	*/
356	AssertReturn(RT_ALIGN_T(GCPhys, PAGE_SIZE, RTGCPHYS) == GCPhys, VERR_INVALID_PARAMETER);
357	AssertReturn(pszDesc && *pszDesc, VERR_INVALID_PARAMETER);
358
359	/*
360	* Add the memory to the hypervisor area.
361	*/
362	cb = RT_ALIGN_Z(cb, PAGE_SIZE);
363	RTGCPTR GCPtr;
364	PMMLOOKUPHYPER pLookup;
365	int rc = mmR3HyperMap(pVM, cb, pszDesc, &GCPtr, &pLookup);
366	if (VBOX_SUCCESS(rc))
367	{
368	pLookup->enmType = MMLOOKUPHYPERTYPE_GCPHYS;
369	pLookup->u.GCPhys.GCPhys = GCPhys;
370
371	/*
372	* Update the page table.
373	*/
374	for (unsigned off = 0; off < cb; off += PAGE_SIZE)
375	{
376	RTHCPHYS HCPhys;
377	rc = PGMPhysGCPhys2HCPhys(pVM, GCPhys + off, &HCPhys);
378	AssertRC(rc);
379	if (VBOX_FAILURE(rc))
380	{
381	AssertMsgFailed(("rc=%Vrc GCPhys=%VGv off=%#x %s\n", rc, GCPhys, off, pszDesc));
382	break;
383	}
384	if (pVM->mm.s.fPGMInitialized)
385	{
386	rc = PGMMap(pVM, GCPtr + off, HCPhys, PAGE_SIZE, 0);
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	}
394	}
395
396	if (VBOX_SUCCESS(rc) && pGCPtr)
397	*pGCPtr = GCPtr;
398	}
399	return rc;
400	}
401
402
403	/**
404	* Maps a portion of an MMIO2 region into the hypervisor region.
405	*
406	* Callers of this API must never deregister the MMIO2 region before the
407	* VM is powered off. If this becomes a requirement MMR3HyperUnmapMMIO2
408	* API will be needed to perform cleanups.
409	*
410	* @return VBox status code.
411	*
412	* @param pVM Pointer to the shared VM structure.
413	* @param pDevIns The device owning the MMIO2 memory.
414	* @param iRegion The region.
415	* @param off The offset into the region. Will be rounded down to closest page boundrary.
416	* @param cb The number of bytes to map. Will be rounded up to the closest page boundrary.
417	* @param pszDesc Mapping description.
418	* @param pGCPtr Where to store the GC address.
419	*/
420	MMR3DECL(int) MMR3HyperMapMMIO2(PVM pVM, PPDMDEVINS pDevIns, uint32_t iRegion, RTGCPHYS off, RTGCPHYS cb,
421	const char *pszDesc, PRTGCPTR pGCPtr)
422	{
423	LogFlow(("MMR3HyperMapMMIO2: pDevIns=%p iRegion=%#x off=%VGp cb=%VGp pszDesc=%p:{%s} pGCPtr=%p\n",
424	pDevIns, iRegion, off, cb, pszDesc, pszDesc, pGCPtr));
425	int rc;
426
427	/*
428	* Validate input.
429	*/
430	AssertReturn(pszDesc && *pszDesc, VERR_INVALID_PARAMETER);
431	AssertReturn(off + cb > off, VERR_INVALID_PARAMETER);
432	uint32_t const offPage = off & PAGE_OFFSET_MASK;
433	off &= ~(RTGCPHYS)PAGE_OFFSET_MASK;
434	cb += offPage;
435	cb = RT_ALIGN_Z(cb, PAGE_SIZE);
436	const RTGCPHYS offEnd = off + cb;
437	AssertReturn(offEnd > off, VERR_INVALID_PARAMETER);
438	for (RTGCPHYS offCur = off; offCur < offEnd; offCur += PAGE_SIZE)
439	{
440	RTHCPHYS HCPhys;
441	rc = PGMR3PhysMMIO2GetHCPhys(pVM, pDevIns, iRegion, offCur, &HCPhys);
442	AssertMsgRCReturn(rc, ("rc=%Rrc - iRegion=%d off=%RGp\n", rc, iRegion, off), rc);
443	}
444
445	/*
446	* Add the memory to the hypervisor area.
447	*/
448	RTGCPTR GCPtr;
449	PMMLOOKUPHYPER pLookup;
450	rc = mmR3HyperMap(pVM, cb, pszDesc, &GCPtr, &pLookup);
451	if (VBOX_SUCCESS(rc))
452	{
453	pLookup->enmType = MMLOOKUPHYPERTYPE_MMIO2;
454	pLookup->u.MMIO2.pDevIns = pDevIns;
455	pLookup->u.MMIO2.iRegion = iRegion;
456	pLookup->u.MMIO2.off = off;
457
458	/*
459	* Update the page table.
460	*/
461	if (pVM->mm.s.fPGMInitialized)
462	{
463	for (RTGCPHYS offCur = off; offCur < offEnd; offCur += PAGE_SIZE)
464	{
465	RTHCPHYS HCPhys;
466	rc = PGMR3PhysMMIO2GetHCPhys(pVM, pDevIns, iRegion, offCur, &HCPhys);
467	AssertRCReturn(rc, VERR_INTERNAL_ERROR);
468	rc = PGMMap(pVM, GCPtr + (offCur - off), HCPhys, PAGE_SIZE, 0);
469	if (VBOX_FAILURE(rc))
470	{
471	AssertMsgFailed(("rc=%Vrc offCur=%RGp %s\n", rc, offCur, pszDesc));
472	break;
473	}
474	}
475	}
476
477	if (VBOX_SUCCESS(rc) && pGCPtr)
478	*pGCPtr = GCPtr \| offPage;
479	}
480	return rc;
481	}
482
483
484
485
486	/**
487	* Locks and Maps HC virtual memory into the hypervisor region in the GC.
488	*
489	* @return VBox status code.
490	*
491	* @param pVM VM handle.
492	* @param pvHC Host context address of the memory (may be not page aligned).
493	* @param cb Size of the memory. Will be rounded up to nearest page.
494	* @param fFree Set this if MM is responsible for freeing the memory using SUPPageFree.
495	* @param pszDesc Mapping description.
496	* @param pGCPtr Where to store the GC address corresponding to pvHC.
497	*/
498	MMR3DECL(int) MMR3HyperMapHCRam(PVM pVM, void pvHC, size_t cb, bool fFree, const char pszDesc, PRTGCPTR pGCPtr)
499	{
500	LogFlow(("MMR3HyperMapHCRam: pvHc=%p cb=%d fFree=%d pszDesc=%p:{%s} pGCPtr=%p\n", pvHC, (int)cb, fFree, pszDesc, pszDesc, pGCPtr));
501
502	/*
503	* Validate input.
504	*/
505	if ( !pvHC
506	\|\| cb <= 0
507	\|\| !pszDesc
508	\|\| !*pszDesc)
509	{
510	AssertMsgFailed(("Invalid parameter\n"));
511	return VERR_INVALID_PARAMETER;
512	}
513
514	/*
515	* Page align address and size.
516	*/
517	void pvHCPage = (void )((uintptr_t)pvHC & PAGE_BASE_HC_MASK);
518	cb += (uintptr_t)pvHC & PAGE_OFFSET_MASK;
519	cb = RT_ALIGN_Z(cb, PAGE_SIZE);
520
521	/*
522	* Add the memory to the hypervisor area.
523	*/
524	RTGCPTR GCPtr;
525	PMMLOOKUPHYPER pLookup;
526	int rc = mmR3HyperMap(pVM, cb, pszDesc, &GCPtr, &pLookup);
527	if (VBOX_SUCCESS(rc))
528	{
529	/*
530	* Lock the heap memory and tell PGM about the locked pages.
531	*/
532	PMMLOCKEDMEM pLockedMem;
533	rc = mmR3LockMem(pVM, pvHCPage, cb, fFree ? MM_LOCKED_TYPE_HYPER : MM_LOCKED_TYPE_HYPER_NOFREE, &pLockedMem, false /* fSilentFailure */);
534	if (VBOX_SUCCESS(rc))
535	{
536	/* map the stuff into guest address space. */
537	if (pVM->mm.s.fPGMInitialized)
538	rc = mmR3MapLocked(pVM, pLockedMem, GCPtr, 0, ~(size_t)0, 0);
539	if (VBOX_SUCCESS(rc))
540	{
541	pLookup->enmType = MMLOOKUPHYPERTYPE_LOCKED;
542	pLookup->u.Locked.pvHC = pvHC;
543	pLookup->u.Locked.pvR0 = NIL_RTR0PTR;
544	pLookup->u.Locked.pLockedMem = pLockedMem;
545
546	/* done. */
547	GCPtr \|= (uintptr_t)pvHC & PAGE_OFFSET_MASK;
548	*pGCPtr = GCPtr;
549	return rc;
550	}
551	/* Don't care about failure clean, we're screwed if this fails anyway. */
552	}
553	}
554
555	return rc;
556	}
557
558
559	/**
560	* Maps locked R3 virtual memory into the hypervisor region in the GC.
561	*
562	* @return VBox status code.
563	*
564	* @param pVM VM handle.
565	* @param pvR3 The ring-3 address of the memory, must be page aligned.
566	* @param pvR0 The ring-0 address of the memory, must be page aligned. (optional)
567	* @param cPages The number of pages.
568	* @param paPages The page descriptors.
569	* @param pszDesc Mapping description.
570	* @param pGCPtr Where to store the GC address corresponding to pvHC.
571	*/
572	MMR3DECL(int) MMR3HyperMapPages(PVM pVM, void pvR3, RTR0PTR pvR0, size_t cPages, PCSUPPAGE paPages, const char pszDesc, PRTGCPTR pGCPtr)
573	{
574	LogFlow(("MMR3HyperMapPages: pvR3=%p pvR0=%p cPages=%zu paPages=%p pszDesc=%p:{%s} pGCPtr=%p\n",
575	pvR3, pvR0, cPages, paPages, pszDesc, pszDesc, pGCPtr));
576
577	/*
578	* Validate input.
579	*/
580	AssertPtrReturn(pvR3, VERR_INVALID_POINTER);
581	AssertPtrReturn(paPages, VERR_INVALID_POINTER);
582	AssertReturn(cPages > 0, VERR_INVALID_PARAMETER);
583	AssertReturn(cPages < 1024, VERR_INVALID_PARAMETER);
584	AssertPtrReturn(pszDesc, VERR_INVALID_POINTER);
585	AssertReturn(*pszDesc, VERR_INVALID_PARAMETER);
586	AssertPtrReturn(pGCPtr, VERR_INVALID_PARAMETER);
587
588	/*
589	* Add the memory to the hypervisor area.
590	*/
591	RTGCPTR GCPtr;
592	PMMLOOKUPHYPER pLookup;
593	int rc = mmR3HyperMap(pVM, cPages << PAGE_SHIFT, pszDesc, &GCPtr, &pLookup);
594	if (VBOX_SUCCESS(rc))
595	{
596	/*
597	* Create a locked memory record and tell PGM about this.
598	*/
599	PMMLOCKEDMEM pLockedMem = (PMMLOCKEDMEM)MMR3HeapAlloc(pVM, MM_TAG_MM, RT_OFFSETOF(MMLOCKEDMEM, aPhysPages[cPages]));
600	if (pLockedMem)
601	{
602	pLockedMem->pv = pvR3;
603	pLockedMem->cb = cPages << PAGE_SHIFT;
604	pLockedMem->eType = MM_LOCKED_TYPE_HYPER_PAGES;
605	memset(&pLockedMem->u, 0, sizeof(pLockedMem->u));
606	for (size_t i = 0; i < cPages; i++)
607	{
608	AssertReleaseReturn(paPages[i].Phys != 0 && paPages[i].Phys != NIL_RTHCPHYS && !(paPages[i].Phys & PAGE_OFFSET_MASK), VERR_INTERNAL_ERROR);
609	pLockedMem->aPhysPages[i].Phys = paPages[i].Phys;
610	pLockedMem->aPhysPages[i].uReserved = (RTHCUINTPTR)pLockedMem;
611	}
612
613	/* map the stuff into guest address space. */
614	if (pVM->mm.s.fPGMInitialized)
615	rc = mmR3MapLocked(pVM, pLockedMem, GCPtr, 0, ~(size_t)0, 0);
616	if (VBOX_SUCCESS(rc))
617	{
618	pLookup->enmType = MMLOOKUPHYPERTYPE_LOCKED;
619	pLookup->u.Locked.pvHC = pvR3;
620	pLookup->u.Locked.pvR0 = pvR0;
621	pLookup->u.Locked.pLockedMem = pLockedMem;
622
623	/* done. */
624	*pGCPtr = GCPtr;
625	return rc;
626	}
627	/* Don't care about failure clean, we're screwed if this fails anyway. */
628	}
629	}
630
631	return rc;
632	}
633
634
635	/**
636	* Reserves a hypervisor memory area.
637	* Most frequent usage is fence pages and dynamically mappings like the guest PD and PDPT.
638	*
639	* @return VBox status code.
640	*
641	* @param pVM VM handle.
642	* @param cb Size of the memory. Will be rounded up to nearest page.
643	* @param pszDesc Mapping description.
644	* @param pGCPtr Where to store the assigned GC address. Optional.
645	*/
646	MMR3DECL(int) MMR3HyperReserve(PVM pVM, unsigned cb, const char *pszDesc, PRTGCPTR pGCPtr)
647	{
648	LogFlow(("MMR3HyperMapHCRam: cb=%d pszDesc=%p:{%s} pGCPtr=%p\n", (int)cb, pszDesc, pszDesc, pGCPtr));
649
650	/*
651	* Validate input.
652	*/
653	if ( cb <= 0
654	\|\| !pszDesc
655	\|\| !*pszDesc)
656	{
657	AssertMsgFailed(("Invalid parameter\n"));
658	return VERR_INVALID_PARAMETER;
659	}
660
661	/*
662	* Add the memory to the hypervisor area.
663	*/
664	RTGCPTR GCPtr;
665	PMMLOOKUPHYPER pLookup;
666	int rc = mmR3HyperMap(pVM, cb, pszDesc, &GCPtr, &pLookup);
667	if (VBOX_SUCCESS(rc))
668	{
669	pLookup->enmType = MMLOOKUPHYPERTYPE_DYNAMIC;
670	if (pGCPtr)
671	*pGCPtr = GCPtr;
672	return VINF_SUCCESS;
673	}
674	return rc;
675	}
676
677
678	/**
679	* Adds memory to the hypervisor memory arena.
680	*
681	* @return VBox status code.
682	* @param pVM The VM handle.
683	* @param cb Size of the memory. Will be rounded up to neares page.
684	* @param pszDesc The description of the memory.
685	* @param pGCPtr Where to store the GC address.
686	* @param ppLookup Where to store the pointer to the lookup record.
687	* @remark We assume the threading structure of VBox imposes natural
688	* serialization of most functions, this one included.
689	*/
690	static int mmR3HyperMap(PVM pVM, const size_t cb, const char pszDesc, PRTGCPTR pGCPtr, PMMLOOKUPHYPER ppLookup)
691	{
692	/*
693	* Validate input.
694	*/
695	const uint32_t cbAligned = RT_ALIGN(cb, PAGE_SIZE);
696	AssertReturn(cbAligned >= cb, VERR_INVALID_PARAMETER);
697	if (pVM->mm.s.offHyperNextStatic + cbAligned >= pVM->mm.s.cbHyperArea) /* don't use the last page, it's a fence. */
698	{
699	AssertMsgFailed(("Out of static mapping space in the HMA! offHyperAreaGC=%x cbAligned=%x\n",
700	pVM->mm.s.offHyperNextStatic, cbAligned));
701	return VERR_NO_MEMORY;
702	}
703
704	/*
705	* Allocate lookup record.
706	*/
707	PMMLOOKUPHYPER pLookup;
708	int rc = MMHyperAlloc(pVM, sizeof(pLookup), 1, MM_TAG_MM, (void *)&pLookup);
709	if (VBOX_SUCCESS(rc))
710	{
711	/*
712	* Initialize it and insert it.
713	*/
714	pLookup->offNext = pVM->mm.s.offLookupHyper;
715	pLookup->cb = cbAligned;
716	pLookup->off = pVM->mm.s.offHyperNextStatic;
717	pVM->mm.s.offLookupHyper = (char )pLookup - (char )pVM->mm.s.pHyperHeapHC;
718	if (pLookup->offNext != (int32_t)NIL_OFFSET)
719	pLookup->offNext -= pVM->mm.s.offLookupHyper;
720	pLookup->enmType = MMLOOKUPHYPERTYPE_INVALID;
721	memset(&pLookup->u, 0xff, sizeof(pLookup->u));
722	pLookup->pszDesc = pszDesc;
723
724	/* Mapping. */
725	*pGCPtr = pVM->mm.s.pvHyperAreaGC + pVM->mm.s.offHyperNextStatic;
726	pVM->mm.s.offHyperNextStatic += cbAligned;
727
728	/* Return pointer. */
729	*ppLookup = pLookup;
730	}
731
732	AssertRC(rc);
733	LogFlow(("mmR3HyperMap: returns %Vrc pGCPtr=%VGv\n", rc, pGCPtr));
734	return rc;
735	}
736
737
738	/**
739	* Allocates a new heap.
740	*
741	* @returns VBox status code.
742	* @param pVM The VM handle.
743	* @param cb The size of the new heap.
744	* @param ppHeap Where to store the heap pointer on successful return.
745	*/
746	static int mmR3HyperHeapCreate(PVM pVM, const size_t cb, PMMHYPERHEAP *ppHeap)
747	{
748	/*
749	* Allocate the hypervisor heap.
750	*/
751	const uint32_t cbAligned = RT_ALIGN_Z(cb, PAGE_SIZE);
752	AssertReturn(cbAligned >= cb, VERR_INVALID_PARAMETER);
753	void *pv;
754	int rc = SUPPageAlloc(cbAligned >> PAGE_SHIFT, &pv);
755	if (VBOX_SUCCESS(rc))
756	{
757	/*
758	* Initialize the heap and first free chunk.
759	*/
760	PMMHYPERHEAP pHeap = (PMMHYPERHEAP)pv;
761	pHeap->u32Magic = MMHYPERHEAP_MAGIC;
762	pHeap->pVMHC = pVM;
763	pHeap->pVMGC = pVM->pVMGC;
764	pHeap->pbHeapHC = (uint8_t *)pHeap + MMYPERHEAP_HDR_SIZE;
765	//pHeap->pbHeapGC = 0; // set by mmR3HyperHeapMap()
766	pHeap->cbHeap = cbAligned - MMYPERHEAP_HDR_SIZE;
767	pHeap->cbFree = pHeap->cbHeap - sizeof(MMHYPERCHUNK);
768	//pHeap->offFreeHead = 0;
769	//pHeap->offFreeTail = 0;
770	pHeap->offPageAligned = pHeap->cbHeap;
771	//pHeap->HyperHeapStatTree = 0;
772
773	PMMHYPERCHUNKFREE pFree = (PMMHYPERCHUNKFREE)pHeap->pbHeapHC;
774	pFree->cb = pHeap->cbFree;
775	//pFree->core.offNext = 0;
776	MMHYPERCHUNK_SET_TYPE(&pFree->core, MMHYPERCHUNK_FLAGS_FREE);
777	pFree->core.offHeap = -(int32_t)MMYPERHEAP_HDR_SIZE;
778	//pFree->offNext = 0;
779	//pFree->offPrev = 0;
780
781	STAMR3Register(pVM, &pHeap->cbHeap, STAMTYPE_U32, STAMVISIBILITY_ALWAYS, "/MM/HyperHeap/cbHeap", STAMUNIT_BYTES, "The heap size.");
782	STAMR3Register(pVM, &pHeap->cbFree, STAMTYPE_U32, STAMVISIBILITY_ALWAYS, "/MM/HyperHeap/cbFree", STAMUNIT_BYTES, "The free space.");
783
784	*ppHeap = pHeap;
785	return VINF_SUCCESS;
786	}
787	AssertMsgFailed(("SUPPageAlloc(%d,) -> %Vrc\n", cbAligned >> PAGE_SHIFT, rc));
788
789	*ppHeap = NULL;
790	return rc;
791	}
792
793
794	/**
795	* Allocates a new heap.
796	*/
797	static int mmR3HyperHeapMap(PVM pVM, PMMHYPERHEAP pHeap, PRTGCPTR ppHeapGC)
798	{
799	int rc = MMR3HyperMapHCRam(pVM, pHeap, pHeap->cbHeap + MMYPERHEAP_HDR_SIZE, true, "Heap", ppHeapGC);
800	if (VBOX_SUCCESS(rc))
801	{
802	pHeap->pVMGC = pVM->pVMGC;
803	pHeap->pbHeapGC = *ppHeapGC + MMYPERHEAP_HDR_SIZE;
804	/* Reserve a page for fencing. */
805	MMR3HyperReserve(pVM, PAGE_SIZE, "fence", NULL);
806	}
807	return rc;
808	}
809
810
811	#if 0
812	/**
813	* Destroys a heap.
814	*/
815	static int mmR3HyperHeapDestroy(PVM pVM, PMMHYPERHEAP pHeap)
816	{
817	/* all this is dealt with when unlocking and freeing locked memory. */
818	}
819	#endif
820
821
822	/**
823	* Allocates memory in the Hypervisor (GC VMM) area which never will
824	* be freed and doesn't have any offset based relation to other heap blocks.
825	*
826	* The latter means that two blocks allocated by this API will not have the
827	* same relative position to each other in GC and HC. In short, never use
828	* this API for allocating nodes for an offset based AVL tree!
829	*
830	* The returned memory is of course zeroed.
831	*
832	* @returns VBox status code.
833	* @param pVM The VM to operate on.
834	* @param cb Number of bytes to allocate.
835	* @param uAlignment Required memory alignment in bytes.
836	* Values are 0,8,16,32 and PAGE_SIZE.
837	* 0 -> default alignment, i.e. 8 bytes.
838	* @param enmTag The statistics tag.
839	* @param ppv Where to store the address to the allocated
840	* memory.
841	* @remark This is assumed not to be used at times when serialization is required.
842	*/
843	MMDECL(int) MMR3HyperAllocOnceNoRel(PVM pVM, size_t cb, unsigned uAlignment, MMTAG enmTag, void **ppv)
844	{
845	AssertMsg(cb >= 8, ("Hey! Do you really mean to allocate less than 8 bytes?! cb=%d\n", cb));
846
847	/*
848	* Choose between allocating a new chunk of HMA memory
849	* and the heap. We will only do BIG allocations from HMA.
850	*/
851	if ( cb < _64K
852	&& ( uAlignment != PAGE_SIZE
853	\|\| cb < 48*_1K))
854	{
855	int rc = MMHyperAlloc(pVM, cb, uAlignment, enmTag, ppv);
856	if ( rc != VERR_MM_HYPER_NO_MEMORY
857	\|\| cb <= 8*_1K)
858	{
859	Log2(("MMR3HyperAllocOnceNoRel: cb=%#zx uAlignment=%#x returns %Rrc and *ppv=%p\n",
860	cb, uAlignment, rc, *ppv));
861	return rc;
862	}
863	}
864
865	/*
866	* Validate alignment.
867	*/
868	switch (uAlignment)
869	{
870	case 0:
871	case 8:
872	case 16:
873	case 32:
874	case PAGE_SIZE:
875	break;
876	default:
877	AssertMsgFailed(("Invalid alignment %u\n", uAlignment));
878	return VERR_INVALID_PARAMETER;
879	}
880
881	/*
882	* Allocate the pages and the HMA space.
883	*/
884	cb = RT_ALIGN(cb, PAGE_SIZE);
885	void *pvPages;
886	int rc = SUPPageAlloc(cb >> PAGE_SHIFT, &pvPages);
887	if (VBOX_SUCCESS(rc))
888	{
889	RTGCPTR GCPtr;
890	rc = MMR3HyperMapHCRam(pVM, pvPages, cb, true, mmR3GetTagName(enmTag), &GCPtr);
891	if (VBOX_SUCCESS(rc))
892	{
893	*ppv = pvPages;
894	Log2(("MMR3HyperAllocOnceNoRel: cb=%#x uAlignment=%#x returns VINF_SUCCESS and *ppv=%p\n",
895	cb, uAlignment, *ppv));
896	return rc;
897	}
898	AssertMsgFailed(("Failed to allocate %zd bytes! %Rrc\n", cb, rc));
899	SUPPageFree(pvPages, cb >> PAGE_SHIFT);
900
901	/*
902	* HACK ALERT! Try allocate it off the heap so that we don't freak
903	* out during vga/vmmdev mmio2 allocation with certain ram sizes.
904	*/
905	/** @todo make a proper fix for this so we will never end up in this kind of situation! */
906	Log(("MMR3HyperAllocOnceNoRel: MMR3HyperMapHCRam failed with rc=%Rrc, try MMHyperAlloc(,%#d,,) instead\n", rc, cb));
907	int rc2 = MMHyperAlloc(pVM, cb, uAlignment, enmTag, ppv);
908	if (RT_SUCCESS(rc2))
909	{
910	Log2(("MMR3HyperAllocOnceNoRel: cb=%#x uAlignment=%#x returns %Rrc and *ppv=%p\n",
911	cb, uAlignment, rc, *ppv));
912	return rc;
913	}
914	}
915	else
916	AssertMsgFailed(("Failed to allocate %zd bytes! %Rrc\n", cb, rc));
917
918	if (rc == VERR_NO_MEMORY)
919	rc = VERR_MM_HYPER_NO_MEMORY;
920	LogRel(("MMR3HyperAllocOnceNoRel: cb=%#zx uAlignment=%#x returns %Rrc\n", cb, uAlignment, rc));
921	return rc;
922	}
923
924
925	/**
926	* Convert hypervisor HC virtual address to HC physical address.
927	*
928	* @returns HC physical address.
929	* @param pVM VM Handle
930	* @param pvHC Host context physical address.
931	*/
932	MMR3DECL(RTHCPHYS) MMR3HyperHCVirt2HCPhys(PVM pVM, void *pvHC)
933	{
934	PMMLOOKUPHYPER pLookup = (PMMLOOKUPHYPER)((char*)pVM->mm.s.pHyperHeapHC + pVM->mm.s.offLookupHyper);
935	for (;;)
936	{
937	switch (pLookup->enmType)
938	{
939	case MMLOOKUPHYPERTYPE_LOCKED:
940	{
941	unsigned off = (char )pvHC - (char )pLookup->u.Locked.pvHC;
942	if (off < pLookup->cb)
943	return (pLookup->u.Locked.pLockedMem->aPhysPages[off >> PAGE_SHIFT].Phys & X86_PTE_PAE_PG_MASK) \| (off & PAGE_OFFSET_MASK);
944	break;
945	}
946
947	case MMLOOKUPHYPERTYPE_HCPHYS:
948	{
949	unsigned off = (char )pvHC - (char )pLookup->u.HCPhys.pvHC;
950	if (off < pLookup->cb)
951	return pLookup->u.HCPhys.HCPhys + off;
952	break;
953	}
954
955	case MMLOOKUPHYPERTYPE_GCPHYS:
956	case MMLOOKUPHYPERTYPE_MMIO2:
957	case MMLOOKUPHYPERTYPE_DYNAMIC:
958	/* can (or don't want to) convert these kind of records. */
959	break;
960
961	default:
962	AssertMsgFailed(("enmType=%d\n", pLookup->enmType));
963	break;
964	}
965
966	/* next */
967	if ((unsigned)pLookup->offNext == NIL_OFFSET)
968	break;
969	pLookup = (PMMLOOKUPHYPER)((char *)pLookup + pLookup->offNext);
970	}
971
972	AssertMsgFailed(("pvHC=%p is not inside the hypervisor memory area!\n", pvHC));
973	return NIL_RTHCPHYS;
974	}
975
976
977	#if 0 /* unused, not implemented */
978	/**
979	* Convert hypervisor HC physical address to HC virtual address.
980	*
981	* @returns HC virtual address.
982	* @param pVM VM Handle
983	* @param HCPhys Host context physical address.
984	*/
985	MMR3DECL(void *) MMR3HyperHCPhys2HCVirt(PVM pVM, RTHCPHYS HCPhys)
986	{
987	void *pv;
988	int rc = MMR3HyperHCPhys2HCVirtEx(pVM, HCPhys, &pv);
989	if (VBOX_SUCCESS(rc))
990	return pv;
991	AssertMsgFailed(("Invalid address HCPhys=%x rc=%d\n", HCPhys, rc));
992	return NULL;
993	}
994
995
996	/**
997	* Convert hypervisor HC physical address to HC virtual address.
998	*
999	* @returns VBox status.
1000	* @param pVM VM Handle
1001	* @param HCPhys Host context physical address.
1002	* @param ppv Where to store the HC virtual address.
1003	*/
1004	MMR3DECL(int) MMR3HyperHCPhys2HCVirtEx(PVM pVM, RTHCPHYS HCPhys, void **ppv)
1005	{
1006	/*
1007	* Linear search.
1008	*/
1009	/** @todo implement when actually used. */
1010	return VERR_INVALID_POINTER;
1011	}
1012	#endif /* unused, not implemented */
1013
1014
1015	/**
1016	* Read hypervisor memory from GC virtual address.
1017	*
1018	* @returns VBox status.
1019	* @param pVM VM handle.
1020	* @param pvDst Destination address (HC of course).
1021	* @param GCPtr GC virtual address.
1022	* @param cb Number of bytes to read.
1023	*/
1024	MMR3DECL(int) MMR3HyperReadGCVirt(PVM pVM, void *pvDst, RTGCPTR GCPtr, size_t cb)
1025	{
1026	if (GCPtr - pVM->mm.s.pvHyperAreaGC >= pVM->mm.s.cbHyperArea)
1027	return VERR_INVALID_PARAMETER;
1028	return PGMR3MapRead(pVM, pvDst, GCPtr, cb);
1029	}
1030
1031
1032	/**
1033	* Info handler for 'hma', it dumps the list of lookup records for the hypervisor memory area.
1034	*
1035	* @param pVM The VM handle.
1036	* @param pHlp Callback functions for doing output.
1037	* @param pszArgs Argument string. Optional and specific to the handler.
1038	*/
1039	static DECLCALLBACK(void) mmR3HyperInfoHma(PVM pVM, PCDBGFINFOHLP pHlp, const char *pszArgs)
1040	{
1041	pHlp->pfnPrintf(pHlp, "Hypervisor Memory Area (HMA) Layout: Base %VGv, 0x%08x bytes\n",
1042	pVM->mm.s.pvHyperAreaGC, pVM->mm.s.cbHyperArea);
1043
1044	PMMLOOKUPHYPER pLookup = (PMMLOOKUPHYPER)((char*)pVM->mm.s.pHyperHeapHC + pVM->mm.s.offLookupHyper);
1045	for (;;)
1046	{
1047	switch (pLookup->enmType)
1048	{
1049	case MMLOOKUPHYPERTYPE_LOCKED:
1050	pHlp->pfnPrintf(pHlp, "%VGv-%VGv %VHv LOCKED %-*s %s\n",
1051	pLookup->off + pVM->mm.s.pvHyperAreaGC,
1052	pLookup->off + pVM->mm.s.pvHyperAreaGC + pLookup->cb,
1053	pLookup->u.Locked.pvHC,
1054	sizeof(RTHCPTR) * 2,
1055	pLookup->u.Locked.pLockedMem->eType == MM_LOCKED_TYPE_HYPER_NOFREE ? "nofree"
1056	: pLookup->u.Locked.pLockedMem->eType == MM_LOCKED_TYPE_HYPER ? "autofree"
1057	: pLookup->u.Locked.pLockedMem->eType == MM_LOCKED_TYPE_HYPER_PAGES ? "pages"
1058	: pLookup->u.Locked.pLockedMem->eType == MM_LOCKED_TYPE_PHYS ? "gstphys"
1059	: "??",
1060	pLookup->pszDesc);
1061	break;
1062
1063	case MMLOOKUPHYPERTYPE_HCPHYS:
1064	pHlp->pfnPrintf(pHlp, "%VGv-%VGv %VHv HCPHYS %VHp %s\n",
1065	pLookup->off + pVM->mm.s.pvHyperAreaGC,
1066	pLookup->off + pVM->mm.s.pvHyperAreaGC + pLookup->cb,
1067	pLookup->u.HCPhys.pvHC, pLookup->u.HCPhys.HCPhys,
1068	pLookup->pszDesc);
1069	break;
1070
1071	case MMLOOKUPHYPERTYPE_GCPHYS:
1072	pHlp->pfnPrintf(pHlp, "%VGv-%VGv %s GCPHYS %VGp%s %s\n",
1073	pLookup->off + pVM->mm.s.pvHyperAreaGC,
1074	pLookup->off + pVM->mm.s.pvHyperAreaGC + pLookup->cb,
1075	sizeof(RTHCPTR) * 2, "",
1076	pLookup->u.GCPhys.GCPhys, RT_ABS(sizeof(RTHCPHYS) - sizeof(RTGCPHYS)) * 2, "",
1077	pLookup->pszDesc);
1078	break;
1079
1080	case MMLOOKUPHYPERTYPE_MMIO2:
1081	pHlp->pfnPrintf(pHlp, "%VGv-%VGv %s MMIO2 %VGp%s %s\n",
1082	pLookup->off + pVM->mm.s.pvHyperAreaGC,
1083	pLookup->off + pVM->mm.s.pvHyperAreaGC + pLookup->cb,
1084	sizeof(RTHCPTR) * 2, "",
1085	pLookup->u.MMIO2.off, RT_ABS(sizeof(RTHCPHYS) - sizeof(RTGCPHYS)) * 2, "",
1086	pLookup->pszDesc);
1087	break;
1088
1089	case MMLOOKUPHYPERTYPE_DYNAMIC:
1090	pHlp->pfnPrintf(pHlp, "%VGv-%VGv %s DYNAMIC %s %s\n",
1091	pLookup->off + pVM->mm.s.pvHyperAreaGC,
1092	pLookup->off + pVM->mm.s.pvHyperAreaGC + pLookup->cb,
1093	sizeof(RTHCPTR) * 2, "",
1094	sizeof(RTHCPTR) * 2, "",
1095	pLookup->pszDesc);
1096	break;
1097
1098	default:
1099	AssertMsgFailed(("enmType=%d\n", pLookup->enmType));
1100	break;
1101	}
1102
1103	/* next */
1104	if ((unsigned)pLookup->offNext == NIL_OFFSET)
1105	break;
1106	pLookup = (PMMLOOKUPHYPER)((char *)pLookup + pLookup->offNext);
1107	}
1108	}
1109

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source: vbox/trunk/src/VBox/VMM/MMHyper.cpp@ 7954

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