MMHyper.cpp@ 13384

Last change on this file since 13384 was 12989, checked in by vboxsync, 16 years ago
VMM + VBox/cdefs.h: consolidated all the XYZDECLS of the VMM into VMMDECL. Removed dead DECL and IN_XYZ* macros.
Property svn:eol-style set to `native` Property svn:keywords set to `Id`
File size: 40.3 KB

Line
1	/* $Id: MMHyper.cpp 12989 2008-10-06 02:15:39Z 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 (VBOX_FAILURE(rc))
82	{
83	LogRel(("MM/cbHyperHeap query -> %Vrc\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 (VBOX_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	RTGCPTR GCPtr;
108	rc = MMR3HyperMapPages(pVM, pVM, pVM->pVMR0, RT_ALIGN_Z(sizeof(VM), PAGE_SIZE) >> PAGE_SHIFT, pVM->paVMPagesR3, "VM", &GCPtr);
109	if (VBOX_SUCCESS(rc))
110	{
111	pVM->pVMRC = (RTGCPTR32)GCPtr;
112	pVM->pVMGC = pVM->pVMRC;
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 (VBOX_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 %Vrc\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 (VBOX_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 (VBOX_FAILURE(rc))
195	break;
196	rc = PGMMap(pVM, GCPtr + off, HCPhys, PAGE_SIZE, 0);
197	if (VBOX_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 (VBOX_FAILURE(rc))
229	{
230	AssertMsgFailed(("rc=%Vrc cb=%d GCPtr=%VGv enmType=%d pszDesc=%s\n",
231	rc, pLookup->cb, 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=%VGv pVM->mm.s.pvHyperAreaGC=%VGv\n", GCPtrOld, pVM->mm.s.pvHyperAreaGC));
284	Log(("Relocating the hypervisor from %VGv to %VGv\n", GCPtrOld, GCPtrNew));
285
286	/*
287	* Relocate the VM structure and ourselves.
288	*/
289	RTGCINTPTR offDelta = GCPtrNew - GCPtrOld;
290	pVM->pVMRC += offDelta;
291	pVM->pVMGC = pVM->pVMRC;
292	for (uint32_t i = 0; i < pVM->cCPUs; i++)
293	pVM->aCpus[i].pVMRC = pVM->pVMRC;
294
295	pVM->mm.s.pvHyperAreaGC += offDelta;
296	Assert(pVM->mm.s.pvHyperAreaGC < _4G);
297	pVM->mm.s.pHyperHeapRC += offDelta;
298	pVM->mm.s.pHyperHeapR3->pbHeapRC += offDelta;
299	pVM->mm.s.pHyperHeapR3->pVMRC = pVM->pVMRC;
300
301	/*
302	* Relocate the rest.
303	*/
304	VMR3Relocate(pVM, offDelta);
305	return true;
306	}
307
308	default:
309	AssertMsgFailed(("Invalid relocation mode %d\n", enmMode));
310	}
311
312	return false;
313	}
314
315
316	/**
317	* Maps contiguous HC physical memory into the hypervisor region in the GC.
318	*
319	* @return VBox status code.
320	*
321	* @param pVM VM handle.
322	* @param pvR3 Host context address of the memory. Must be page
323	* aligned!
324	* @param HCPhys Host context physical address of the memory to be
325	* mapped. Must be page aligned!
326	* @param cb Size of the memory. Will be rounded up to nearest page.
327	* @param pszDesc Description.
328	* @param pGCPtr Where to store the GC address.
329	*/
330	VMMR3DECL(int) MMR3HyperMapHCPhys(PVM pVM, void pvR3, RTHCPHYS HCPhys, size_t cb, const char pszDesc, PRTGCPTR pGCPtr)
331	{
332	LogFlow(("MMR3HyperMapHCPhys: pvR3=%p HCPhys=%RHp cb=%d pszDesc=%p:{%s} pGCPtr=%p\n", pvR3, HCPhys, (int)cb, pszDesc, pszDesc, pGCPtr));
333
334	/*
335	* Validate input.
336	*/
337	AssertReturn(RT_ALIGN_P(pvR3, PAGE_SIZE) == pvR3, VERR_INVALID_PARAMETER);
338	AssertReturn(RT_ALIGN_T(HCPhys, PAGE_SIZE, RTHCPHYS) == HCPhys, VERR_INVALID_PARAMETER);
339	AssertReturn(pszDesc && *pszDesc, VERR_INVALID_PARAMETER);
340
341	/*
342	* Add the memory to the hypervisor area.
343	*/
344	uint32_t cbAligned = RT_ALIGN_32(cb, PAGE_SIZE);
345	AssertReturn(cbAligned >= cb, VERR_INVALID_PARAMETER);
346	RTGCPTR GCPtr;
347	PMMLOOKUPHYPER pLookup;
348	int rc = mmR3HyperMap(pVM, cbAligned, pszDesc, &GCPtr, &pLookup);
349	if (VBOX_SUCCESS(rc))
350	{
351	pLookup->enmType = MMLOOKUPHYPERTYPE_HCPHYS;
352	pLookup->u.HCPhys.pvR3 = pvR3;
353	pLookup->u.HCPhys.HCPhys = HCPhys;
354
355	/*
356	* Update the page table.
357	*/
358	if (pVM->mm.s.fPGMInitialized)
359	rc = PGMMap(pVM, GCPtr, HCPhys, cbAligned, 0);
360	if (VBOX_SUCCESS(rc))
361	*pGCPtr = GCPtr;
362	}
363	return rc;
364	}
365
366
367	/**
368	* Maps contiguous GC physical memory into the hypervisor region in the GC.
369	*
370	* @return VBox status code.
371	*
372	* @param pVM VM handle.
373	* @param GCPhys Guest context physical address of the memory to be mapped. Must be page aligned!
374	* @param cb Size of the memory. Will be rounded up to nearest page.
375	* @param pszDesc Mapping description.
376	* @param pGCPtr Where to store the GC address.
377	*/
378	VMMR3DECL(int) MMR3HyperMapGCPhys(PVM pVM, RTGCPHYS GCPhys, size_t cb, const char *pszDesc, PRTGCPTR pGCPtr)
379	{
380	LogFlow(("MMR3HyperMapGCPhys: GCPhys=%VGp cb=%d pszDesc=%p:{%s} pGCPtr=%p\n", GCPhys, (int)cb, pszDesc, pszDesc, pGCPtr));
381
382	/*
383	* Validate input.
384	*/
385	AssertReturn(RT_ALIGN_T(GCPhys, PAGE_SIZE, RTGCPHYS) == GCPhys, VERR_INVALID_PARAMETER);
386	AssertReturn(pszDesc && *pszDesc, VERR_INVALID_PARAMETER);
387
388	/*
389	* Add the memory to the hypervisor area.
390	*/
391	cb = RT_ALIGN_Z(cb, PAGE_SIZE);
392	RTGCPTR GCPtr;
393	PMMLOOKUPHYPER pLookup;
394	int rc = mmR3HyperMap(pVM, cb, pszDesc, &GCPtr, &pLookup);
395	if (VBOX_SUCCESS(rc))
396	{
397	pLookup->enmType = MMLOOKUPHYPERTYPE_GCPHYS;
398	pLookup->u.GCPhys.GCPhys = GCPhys;
399
400	/*
401	* Update the page table.
402	*/
403	for (unsigned off = 0; off < cb; off += PAGE_SIZE)
404	{
405	RTHCPHYS HCPhys;
406	rc = PGMPhysGCPhys2HCPhys(pVM, GCPhys + off, &HCPhys);
407	AssertRC(rc);
408	if (VBOX_FAILURE(rc))
409	{
410	AssertMsgFailed(("rc=%Vrc GCPhys=%VGv off=%#x %s\n", rc, GCPhys, off, pszDesc));
411	break;
412	}
413	if (pVM->mm.s.fPGMInitialized)
414	{
415	rc = PGMMap(pVM, GCPtr + off, HCPhys, PAGE_SIZE, 0);
416	AssertRC(rc);
417	if (VBOX_FAILURE(rc))
418	{
419	AssertMsgFailed(("rc=%Vrc GCPhys=%VGv off=%#x %s\n", rc, GCPhys, off, pszDesc));
420	break;
421	}
422	}
423	}
424
425	if (VBOX_SUCCESS(rc) && pGCPtr)
426	*pGCPtr = GCPtr;
427	}
428	return rc;
429	}
430
431
432	/**
433	* Maps a portion of an MMIO2 region into the hypervisor region.
434	*
435	* Callers of this API must never deregister the MMIO2 region before the
436	* VM is powered off. If this becomes a requirement MMR3HyperUnmapMMIO2
437	* API will be needed to perform cleanups.
438	*
439	* @return VBox status code.
440	*
441	* @param pVM Pointer to the shared VM structure.
442	* @param pDevIns The device owning the MMIO2 memory.
443	* @param iRegion The region.
444	* @param off The offset into the region. Will be rounded down to closest page boundrary.
445	* @param cb The number of bytes to map. Will be rounded up to the closest page boundrary.
446	* @param pszDesc Mapping description.
447	* @param pRCPtr Where to store the RC address.
448	*/
449	VMMR3DECL(int) MMR3HyperMapMMIO2(PVM pVM, PPDMDEVINS pDevIns, uint32_t iRegion, RTGCPHYS off, RTGCPHYS cb,
450	const char *pszDesc, PRTRCPTR pRCPtr)
451	{
452	LogFlow(("MMR3HyperMapMMIO2: pDevIns=%p iRegion=%#x off=%VGp cb=%VGp pszDesc=%p:{%s} pRCPtr=%p\n",
453	pDevIns, iRegion, off, cb, pszDesc, pszDesc, pRCPtr));
454	int rc;
455
456	/*
457	* Validate input.
458	*/
459	AssertReturn(pszDesc && *pszDesc, VERR_INVALID_PARAMETER);
460	AssertReturn(off + cb > off, VERR_INVALID_PARAMETER);
461	uint32_t const offPage = off & PAGE_OFFSET_MASK;
462	off &= ~(RTGCPHYS)PAGE_OFFSET_MASK;
463	cb += offPage;
464	cb = RT_ALIGN_Z(cb, PAGE_SIZE);
465	const RTGCPHYS offEnd = off + cb;
466	AssertReturn(offEnd > off, VERR_INVALID_PARAMETER);
467	for (RTGCPHYS offCur = off; offCur < offEnd; offCur += PAGE_SIZE)
468	{
469	RTHCPHYS HCPhys;
470	rc = PGMR3PhysMMIO2GetHCPhys(pVM, pDevIns, iRegion, offCur, &HCPhys);
471	AssertMsgRCReturn(rc, ("rc=%Rrc - iRegion=%d off=%RGp\n", rc, iRegion, off), rc);
472	}
473
474	/*
475	* Add the memory to the hypervisor area.
476	*/
477	RTGCPTR GCPtr;
478	PMMLOOKUPHYPER pLookup;
479	rc = mmR3HyperMap(pVM, cb, pszDesc, &GCPtr, &pLookup);
480	if (VBOX_SUCCESS(rc))
481	{
482	pLookup->enmType = MMLOOKUPHYPERTYPE_MMIO2;
483	pLookup->u.MMIO2.pDevIns = pDevIns;
484	pLookup->u.MMIO2.iRegion = iRegion;
485	pLookup->u.MMIO2.off = off;
486
487	/*
488	* Update the page table.
489	*/
490	if (pVM->mm.s.fPGMInitialized)
491	{
492	for (RTGCPHYS offCur = off; offCur < offEnd; offCur += PAGE_SIZE)
493	{
494	RTHCPHYS HCPhys;
495	rc = PGMR3PhysMMIO2GetHCPhys(pVM, pDevIns, iRegion, offCur, &HCPhys);
496	AssertRCReturn(rc, VERR_INTERNAL_ERROR);
497	rc = PGMMap(pVM, GCPtr + (offCur - off), HCPhys, PAGE_SIZE, 0);
498	if (VBOX_FAILURE(rc))
499	{
500	AssertMsgFailed(("rc=%Vrc offCur=%RGp %s\n", rc, offCur, pszDesc));
501	break;
502	}
503	}
504	}
505
506	if (VBOX_SUCCESS(rc))
507	{
508	GCPtr \|= offPage;
509	*pRCPtr = GCPtr;
510	AssertLogRelReturn(*pRCPtr == GCPtr, VERR_INTERNAL_ERROR);
511	}
512	}
513	return rc;
514	}
515
516
517	/**
518	* Locks and Maps HC virtual memory into the hypervisor region in the GC.
519	*
520	* @return VBox status code.
521	*
522	* @param pVM VM handle.
523	* @param pvR3 Host context address of the memory (may be not page
524	* aligned).
525	* @param cb Size of the memory. Will be rounded up to nearest page.
526	* @param fFree Set this if MM is responsible for freeing the memory
527	* using SUPPageFree.
528	* @param pszDesc Mapping description.
529	* @param pGCPtr Where to store the GC address corresponding to pvR3.
530	*/
531	VMMR3DECL(int) MMR3HyperMapHCRam(PVM pVM, void pvR3, size_t cb, bool fFree, const char pszDesc, PRTGCPTR pGCPtr)
532	{
533	LogFlow(("MMR3HyperMapHCRam: pvR3=%p cb=%d fFree=%d pszDesc=%p:{%s} pGCPtr=%p\n", pvR3, (int)cb, fFree, pszDesc, pszDesc, pGCPtr));
534
535	/*
536	* Validate input.
537	*/
538	if ( !pvR3
539	\|\| cb <= 0
540	\|\| !pszDesc
541	\|\| !*pszDesc)
542	{
543	AssertMsgFailed(("Invalid parameter\n"));
544	return VERR_INVALID_PARAMETER;
545	}
546
547	/*
548	* Page align address and size.
549	*/
550	void pvR3Page = (void )((uintptr_t)pvR3 & PAGE_BASE_HC_MASK);
551	cb += (uintptr_t)pvR3 & PAGE_OFFSET_MASK;
552	cb = RT_ALIGN_Z(cb, PAGE_SIZE);
553
554	/*
555	* Add the memory to the hypervisor area.
556	*/
557	RTGCPTR GCPtr;
558	PMMLOOKUPHYPER pLookup;
559	int rc = mmR3HyperMap(pVM, cb, pszDesc, &GCPtr, &pLookup);
560	if (VBOX_SUCCESS(rc))
561	{
562	/*
563	* Lock the heap memory and tell PGM about the locked pages.
564	*/
565	PMMLOCKEDMEM pLockedMem;
566	rc = mmR3LockMem(pVM, pvR3Page, cb, fFree ? MM_LOCKED_TYPE_HYPER : MM_LOCKED_TYPE_HYPER_NOFREE, &pLockedMem, false /* fSilentFailure */);
567	if (VBOX_SUCCESS(rc))
568	{
569	/* map the stuff into guest address space. */
570	if (pVM->mm.s.fPGMInitialized)
571	rc = mmR3MapLocked(pVM, pLockedMem, GCPtr, 0, ~(size_t)0, 0);
572	if (VBOX_SUCCESS(rc))
573	{
574	pLookup->enmType = MMLOOKUPHYPERTYPE_LOCKED;
575	pLookup->u.Locked.pvR3 = pvR3;
576	pLookup->u.Locked.pvR0 = NIL_RTR0PTR;
577	pLookup->u.Locked.pLockedMem = pLockedMem;
578
579	/* done. */
580	GCPtr \|= (uintptr_t)pvR3 & PAGE_OFFSET_MASK;
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	* Maps locked R3 virtual memory into the hypervisor region in the GC.
594	*
595	* @return VBox status code.
596	*
597	* @param pVM VM handle.
598	* @param pvR3 The ring-3 address of the memory, must be page aligned.
599	* @param pvR0 The ring-0 address of the memory, must be page aligned. (optional)
600	* @param cPages The number of pages.
601	* @param paPages The page descriptors.
602	* @param pszDesc Mapping description.
603	* @param pGCPtr Where to store the GC address corresponding to pvR3.
604	*/
605	VMMR3DECL(int) MMR3HyperMapPages(PVM pVM, void pvR3, RTR0PTR pvR0, size_t cPages, PCSUPPAGE paPages, const char pszDesc, PRTGCPTR pGCPtr)
606	{
607	LogFlow(("MMR3HyperMapPages: pvR3=%p pvR0=%p cPages=%zu paPages=%p pszDesc=%p:{%s} pGCPtr=%p\n",
608	pvR3, pvR0, cPages, paPages, pszDesc, pszDesc, pGCPtr));
609
610	/*
611	* Validate input.
612	*/
613	AssertPtrReturn(pvR3, VERR_INVALID_POINTER);
614	AssertPtrReturn(paPages, VERR_INVALID_POINTER);
615	AssertReturn(cPages > 0, VERR_INVALID_PARAMETER);
616	AssertReturn(cPages < 1024, VERR_INVALID_PARAMETER);
617	AssertPtrReturn(pszDesc, VERR_INVALID_POINTER);
618	AssertReturn(*pszDesc, VERR_INVALID_PARAMETER);
619	AssertPtrReturn(pGCPtr, VERR_INVALID_PARAMETER);
620
621	/*
622	* Add the memory to the hypervisor area.
623	*/
624	RTGCPTR GCPtr;
625	PMMLOOKUPHYPER pLookup;
626	int rc = mmR3HyperMap(pVM, cPages << PAGE_SHIFT, pszDesc, &GCPtr, &pLookup);
627	if (VBOX_SUCCESS(rc))
628	{
629	/*
630	* Create a locked memory record and tell PGM about this.
631	*/
632	PMMLOCKEDMEM pLockedMem = (PMMLOCKEDMEM)MMR3HeapAlloc(pVM, MM_TAG_MM, RT_OFFSETOF(MMLOCKEDMEM, aPhysPages[cPages]));
633	if (pLockedMem)
634	{
635	pLockedMem->pv = pvR3;
636	pLockedMem->cb = cPages << PAGE_SHIFT;
637	pLockedMem->eType = MM_LOCKED_TYPE_HYPER_PAGES;
638	memset(&pLockedMem->u, 0, sizeof(pLockedMem->u));
639	for (size_t i = 0; i < cPages; i++)
640	{
641	AssertReleaseReturn(paPages[i].Phys != 0 && paPages[i].Phys != NIL_RTHCPHYS && !(paPages[i].Phys & PAGE_OFFSET_MASK), VERR_INTERNAL_ERROR);
642	pLockedMem->aPhysPages[i].Phys = paPages[i].Phys;
643	pLockedMem->aPhysPages[i].uReserved = (RTHCUINTPTR)pLockedMem;
644	}
645
646	/* map the stuff into guest address space. */
647	if (pVM->mm.s.fPGMInitialized)
648	rc = mmR3MapLocked(pVM, pLockedMem, GCPtr, 0, ~(size_t)0, 0);
649	if (VBOX_SUCCESS(rc))
650	{
651	pLookup->enmType = MMLOOKUPHYPERTYPE_LOCKED;
652	pLookup->u.Locked.pvR3 = pvR3;
653	pLookup->u.Locked.pvR0 = pvR0;
654	pLookup->u.Locked.pLockedMem = pLockedMem;
655
656	/* done. */
657	*pGCPtr = GCPtr;
658	return rc;
659	}
660	/* Don't care about failure clean, we're screwed if this fails anyway. */
661	}
662	}
663
664	return rc;
665	}
666
667
668	/**
669	* Reserves a hypervisor memory area.
670	* Most frequent usage is fence pages and dynamically mappings like the guest PD and PDPT.
671	*
672	* @return VBox status code.
673	*
674	* @param pVM VM handle.
675	* @param cb Size of the memory. Will be rounded up to nearest page.
676	* @param pszDesc Mapping description.
677	* @param pGCPtr Where to store the assigned GC address. Optional.
678	*/
679	VMMR3DECL(int) MMR3HyperReserve(PVM pVM, unsigned cb, const char *pszDesc, PRTGCPTR pGCPtr)
680	{
681	LogFlow(("MMR3HyperMapHCRam: cb=%d pszDesc=%p:{%s} pGCPtr=%p\n", (int)cb, pszDesc, pszDesc, pGCPtr));
682
683	/*
684	* Validate input.
685	*/
686	if ( cb <= 0
687	\|\| !pszDesc
688	\|\| !*pszDesc)
689	{
690	AssertMsgFailed(("Invalid parameter\n"));
691	return VERR_INVALID_PARAMETER;
692	}
693
694	/*
695	* Add the memory to the hypervisor area.
696	*/
697	RTGCPTR GCPtr;
698	PMMLOOKUPHYPER pLookup;
699	int rc = mmR3HyperMap(pVM, cb, pszDesc, &GCPtr, &pLookup);
700	if (VBOX_SUCCESS(rc))
701	{
702	pLookup->enmType = MMLOOKUPHYPERTYPE_DYNAMIC;
703	if (pGCPtr)
704	*pGCPtr = GCPtr;
705	return VINF_SUCCESS;
706	}
707	return rc;
708	}
709
710
711	/**
712	* Adds memory to the hypervisor memory arena.
713	*
714	* @return VBox status code.
715	* @param pVM The VM handle.
716	* @param cb Size of the memory. Will be rounded up to neares page.
717	* @param pszDesc The description of the memory.
718	* @param pGCPtr Where to store the GC address.
719	* @param ppLookup Where to store the pointer to the lookup record.
720	* @remark We assume the threading structure of VBox imposes natural
721	* serialization of most functions, this one included.
722	*/
723	static int mmR3HyperMap(PVM pVM, const size_t cb, const char pszDesc, PRTGCPTR pGCPtr, PMMLOOKUPHYPER ppLookup)
724	{
725	/*
726	* Validate input.
727	*/
728	const uint32_t cbAligned = RT_ALIGN(cb, PAGE_SIZE);
729	AssertReturn(cbAligned >= cb, VERR_INVALID_PARAMETER);
730	if (pVM->mm.s.offHyperNextStatic + cbAligned >= pVM->mm.s.cbHyperArea) /* don't use the last page, it's a fence. */
731	{
732	AssertMsgFailed(("Out of static mapping space in the HMA! offHyperAreaGC=%x cbAligned=%x\n",
733	pVM->mm.s.offHyperNextStatic, cbAligned));
734	return VERR_NO_MEMORY;
735	}
736
737	/*
738	* Allocate lookup record.
739	*/
740	PMMLOOKUPHYPER pLookup;
741	int rc = MMHyperAlloc(pVM, sizeof(pLookup), 1, MM_TAG_MM, (void *)&pLookup);
742	if (VBOX_SUCCESS(rc))
743	{
744	/*
745	* Initialize it and insert it.
746	*/
747	pLookup->offNext = pVM->mm.s.offLookupHyper;
748	pLookup->cb = cbAligned;
749	pLookup->off = pVM->mm.s.offHyperNextStatic;
750	pVM->mm.s.offLookupHyper = (uint8_t )pLookup - (uint8_t )pVM->mm.s.pHyperHeapR3;
751	if (pLookup->offNext != (int32_t)NIL_OFFSET)
752	pLookup->offNext -= pVM->mm.s.offLookupHyper;
753	pLookup->enmType = MMLOOKUPHYPERTYPE_INVALID;
754	memset(&pLookup->u, 0xff, sizeof(pLookup->u));
755	pLookup->pszDesc = pszDesc;
756
757	/* Mapping. */
758	*pGCPtr = pVM->mm.s.pvHyperAreaGC + pVM->mm.s.offHyperNextStatic;
759	pVM->mm.s.offHyperNextStatic += cbAligned;
760
761	/* Return pointer. */
762	*ppLookup = pLookup;
763	}
764
765	AssertRC(rc);
766	LogFlow(("mmR3HyperMap: returns %Vrc pGCPtr=%VGv\n", rc, pGCPtr));
767	return rc;
768	}
769
770
771	/**
772	* Allocates a new heap.
773	*
774	* @returns VBox status code.
775	* @param pVM The VM handle.
776	* @param cb The size of the new heap.
777	* @param ppHeap Where to store the heap pointer on successful return.
778	*/
779	static int mmR3HyperHeapCreate(PVM pVM, const size_t cb, PMMHYPERHEAP *ppHeap)
780	{
781	/*
782	* Allocate the hypervisor heap.
783	*/
784	const uint32_t cbAligned = RT_ALIGN_Z(cb, PAGE_SIZE);
785	AssertReturn(cbAligned >= cb, VERR_INVALID_PARAMETER);
786	void *pv;
787	int rc = SUPPageAlloc(cbAligned >> PAGE_SHIFT, &pv); /** @todo #1865: heap allocation must be changed for osx (only). */
788	if (VBOX_SUCCESS(rc))
789	{
790	/*
791	* Initialize the heap and first free chunk.
792	*/
793	PMMHYPERHEAP pHeap = (PMMHYPERHEAP)pv;
794	pHeap->u32Magic = MMHYPERHEAP_MAGIC;
795	pHeap->pbHeapR3 = (uint8_t *)pHeap + MMYPERHEAP_HDR_SIZE;
796	pHeap->pbHeapR0 = (uintptr_t)pHeap->pbHeapR3; /** @todo #1865: Map heap into ring-0 on darwin. */
797	//pHeap->pbHeapGC = 0; // set by mmR3HyperHeapMap()
798	pHeap->pVMR3 = pVM;
799	pHeap->pVMR0 = pVM->pVMR0;
800	pHeap->pVMRC = pVM->pVMRC;
801	pHeap->cbHeap = cbAligned - MMYPERHEAP_HDR_SIZE;
802	pHeap->cbFree = pHeap->cbHeap - sizeof(MMHYPERCHUNK);
803	//pHeap->offFreeHead = 0;
804	//pHeap->offFreeTail = 0;
805	pHeap->offPageAligned = pHeap->cbHeap;
806	//pHeap->HyperHeapStatTree = 0;
807
808	PMMHYPERCHUNKFREE pFree = (PMMHYPERCHUNKFREE)pHeap->pbHeapR3;
809	pFree->cb = pHeap->cbFree;
810	//pFree->core.offNext = 0;
811	MMHYPERCHUNK_SET_TYPE(&pFree->core, MMHYPERCHUNK_FLAGS_FREE);
812	pFree->core.offHeap = -(int32_t)MMYPERHEAP_HDR_SIZE;
813	//pFree->offNext = 0;
814	//pFree->offPrev = 0;
815
816	STAMR3Register(pVM, &pHeap->cbHeap, STAMTYPE_U32, STAMVISIBILITY_ALWAYS, "/MM/HyperHeap/cbHeap", STAMUNIT_BYTES, "The heap size.");
817	STAMR3Register(pVM, &pHeap->cbFree, STAMTYPE_U32, STAMVISIBILITY_ALWAYS, "/MM/HyperHeap/cbFree", STAMUNIT_BYTES, "The free space.");
818
819	*ppHeap = pHeap;
820	return VINF_SUCCESS;
821	}
822	AssertMsgFailed(("SUPPageAlloc(%d,) -> %Vrc\n", cbAligned >> PAGE_SHIFT, rc));
823
824	*ppHeap = NULL;
825	return rc;
826	}
827
828
829	/**
830	* Allocates a new heap.
831	*/
832	static int mmR3HyperHeapMap(PVM pVM, PMMHYPERHEAP pHeap, PRTGCPTR ppHeapGC)
833	{
834	int rc = MMR3HyperMapHCRam(pVM, pHeap, pHeap->cbHeap + MMYPERHEAP_HDR_SIZE, true, "Heap", ppHeapGC);
835	if (VBOX_SUCCESS(rc))
836	{
837	pHeap->pVMRC = pVM->pVMRC;
838	pHeap->pbHeapRC = *ppHeapGC + MMYPERHEAP_HDR_SIZE;
839	/* Reserve a page for fencing. */
840	MMR3HyperReserve(pVM, PAGE_SIZE, "fence", NULL);
841	}
842	return rc;
843	}
844
845
846	#if 0
847	/**
848	* Destroys a heap.
849	*/
850	static int mmR3HyperHeapDestroy(PVM pVM, PMMHYPERHEAP pHeap)
851	{
852	/* all this is dealt with when unlocking and freeing locked memory. */
853	}
854	#endif
855
856
857	/**
858	* Allocates memory in the Hypervisor (GC VMM) area which never will
859	* be freed and doesn't have any offset based relation to other heap blocks.
860	*
861	* The latter means that two blocks allocated by this API will not have the
862	* same relative position to each other in GC and HC. In short, never use
863	* this API for allocating nodes for an offset based AVL tree!
864	*
865	* The returned memory is of course zeroed.
866	*
867	* @returns VBox status code.
868	* @param pVM The VM to operate on.
869	* @param cb Number of bytes to allocate.
870	* @param uAlignment Required memory alignment in bytes.
871	* Values are 0,8,16,32 and PAGE_SIZE.
872	* 0 -> default alignment, i.e. 8 bytes.
873	* @param enmTag The statistics tag.
874	* @param ppv Where to store the address to the allocated
875	* memory.
876	* @remark This is assumed not to be used at times when serialization is required.
877	*/
878	VMMDECL(int) MMR3HyperAllocOnceNoRel(PVM pVM, size_t cb, unsigned uAlignment, MMTAG enmTag, void **ppv)
879	{
880	AssertMsg(cb >= 8, ("Hey! Do you really mean to allocate less than 8 bytes?! cb=%d\n", cb));
881
882	/*
883	* Choose between allocating a new chunk of HMA memory
884	* and the heap. We will only do BIG allocations from HMA.
885	*/
886	if ( cb < _64K
887	&& ( uAlignment != PAGE_SIZE
888	\|\| cb < 48*_1K))
889	{
890	int rc = MMHyperAlloc(pVM, cb, uAlignment, enmTag, ppv);
891	if ( rc != VERR_MM_HYPER_NO_MEMORY
892	\|\| cb <= 8*_1K)
893	{
894	Log2(("MMR3HyperAllocOnceNoRel: cb=%#zx uAlignment=%#x returns %Rrc and *ppv=%p\n",
895	cb, uAlignment, rc, *ppv));
896	return rc;
897	}
898	}
899
900	/*
901	* Validate alignment.
902	*/
903	switch (uAlignment)
904	{
905	case 0:
906	case 8:
907	case 16:
908	case 32:
909	case PAGE_SIZE:
910	break;
911	default:
912	AssertMsgFailed(("Invalid alignment %u\n", uAlignment));
913	return VERR_INVALID_PARAMETER;
914	}
915
916	/*
917	* Allocate the pages and the HMA space.
918	*/
919	cb = RT_ALIGN(cb, PAGE_SIZE);
920	void *pvPages;
921	int rc = SUPPageAlloc(cb >> PAGE_SHIFT, &pvPages);
922	if (VBOX_SUCCESS(rc))
923	{
924	RTGCPTR GCPtr;
925	rc = MMR3HyperMapHCRam(pVM, pvPages, cb, true,
926	MMR3HeapAPrintf(pVM, MM_TAG_MM, "alloc once (%s)", mmR3GetTagName(enmTag)),
927	&GCPtr);
928	if (VBOX_SUCCESS(rc))
929	{
930	*ppv = pvPages;
931	Log2(("MMR3HyperAllocOnceNoRel: cb=%#x uAlignment=%#x returns VINF_SUCCESS and *ppv=%p\n",
932	cb, uAlignment, *ppv));
933	return rc;
934	}
935	AssertMsgFailed(("Failed to allocate %zd bytes! %Rrc\n", cb, rc));
936	SUPPageFree(pvPages, cb >> PAGE_SHIFT);
937
938	/*
939	* HACK ALERT! Try allocate it off the heap so that we don't freak
940	* out during vga/vmmdev mmio2 allocation with certain ram sizes.
941	*/
942	/** @todo make a proper fix for this so we will never end up in this kind of situation! */
943	Log(("MMR3HyperAllocOnceNoRel: MMR3HyperMapHCRam failed with rc=%Rrc, try MMHyperAlloc(,%#d,,) instead\n", rc, cb));
944	int rc2 = MMHyperAlloc(pVM, cb, uAlignment, enmTag, ppv);
945	if (RT_SUCCESS(rc2))
946	{
947	Log2(("MMR3HyperAllocOnceNoRel: cb=%#x uAlignment=%#x returns %Rrc and *ppv=%p\n",
948	cb, uAlignment, rc, *ppv));
949	return rc;
950	}
951	}
952	else
953	AssertMsgFailed(("Failed to allocate %zd bytes! %Rrc\n", cb, rc));
954
955	if (rc == VERR_NO_MEMORY)
956	rc = VERR_MM_HYPER_NO_MEMORY;
957	LogRel(("MMR3HyperAllocOnceNoRel: cb=%#zx uAlignment=%#x returns %Rrc\n", cb, uAlignment, rc));
958	return rc;
959	}
960
961
962	/**
963	* Convert hypervisor HC virtual address to HC physical address.
964	*
965	* @returns HC physical address.
966	* @param pVM VM Handle
967	* @param pvR3 Host context virtual address.
968	*/
969	VMMR3DECL(RTHCPHYS) MMR3HyperHCVirt2HCPhys(PVM pVM, void *pvR3)
970	{
971	PMMLOOKUPHYPER pLookup = (PMMLOOKUPHYPER)((uint8_t *)pVM->mm.s.pHyperHeapR3 + pVM->mm.s.offLookupHyper);
972	for (;;)
973	{
974	switch (pLookup->enmType)
975	{
976	case MMLOOKUPHYPERTYPE_LOCKED:
977	{
978	unsigned off = (uint8_t )pvR3 - (uint8_t )pLookup->u.Locked.pvR3;
979	if (off < pLookup->cb)
980	return (pLookup->u.Locked.pLockedMem->aPhysPages[off >> PAGE_SHIFT].Phys & X86_PTE_PAE_PG_MASK) \| (off & PAGE_OFFSET_MASK);
981	break;
982	}
983
984	case MMLOOKUPHYPERTYPE_HCPHYS:
985	{
986	unsigned off = (uint8_t )pvR3 - (uint8_t )pLookup->u.HCPhys.pvR3;
987	if (off < pLookup->cb)
988	return pLookup->u.HCPhys.HCPhys + off;
989	break;
990	}
991
992	case MMLOOKUPHYPERTYPE_GCPHYS:
993	case MMLOOKUPHYPERTYPE_MMIO2:
994	case MMLOOKUPHYPERTYPE_DYNAMIC:
995	/* can (or don't want to) convert these kind of records. */
996	break;
997
998	default:
999	AssertMsgFailed(("enmType=%d\n", pLookup->enmType));
1000	break;
1001	}
1002
1003	/* next */
1004	if ((unsigned)pLookup->offNext == NIL_OFFSET)
1005	break;
1006	pLookup = (PMMLOOKUPHYPER)((uint8_t *)pLookup + pLookup->offNext);
1007	}
1008
1009	AssertMsgFailed(("pvR3=%p is not inside the hypervisor memory area!\n", pvR3));
1010	return NIL_RTHCPHYS;
1011	}
1012
1013
1014	#if 0 /* unused, not implemented */
1015	/**
1016	* Convert hypervisor HC physical address to HC virtual address.
1017	*
1018	* @returns HC virtual address.
1019	* @param pVM VM Handle
1020	* @param HCPhys Host context physical address.
1021	*/
1022	VMMR3DECL(void *) MMR3HyperHCPhys2HCVirt(PVM pVM, RTHCPHYS HCPhys)
1023	{
1024	void *pv;
1025	int rc = MMR3HyperHCPhys2HCVirtEx(pVM, HCPhys, &pv);
1026	if (VBOX_SUCCESS(rc))
1027	return pv;
1028	AssertMsgFailed(("Invalid address HCPhys=%x rc=%d\n", HCPhys, rc));
1029	return NULL;
1030	}
1031
1032
1033	/**
1034	* Convert hypervisor HC physical address to HC virtual address.
1035	*
1036	* @returns VBox status.
1037	* @param pVM VM Handle
1038	* @param HCPhys Host context physical address.
1039	* @param ppv Where to store the HC virtual address.
1040	*/
1041	VMMR3DECL(int) MMR3HyperHCPhys2HCVirtEx(PVM pVM, RTHCPHYS HCPhys, void **ppv)
1042	{
1043	/*
1044	* Linear search.
1045	*/
1046	/** @todo implement when actually used. */
1047	return VERR_INVALID_POINTER;
1048	}
1049	#endif /* unused, not implemented */
1050
1051
1052	/**
1053	* Read hypervisor memory from GC virtual address.
1054	*
1055	* @returns VBox status.
1056	* @param pVM VM handle.
1057	* @param pvDst Destination address (HC of course).
1058	* @param GCPtr GC virtual address.
1059	* @param cb Number of bytes to read.
1060	*
1061	* @remarks For DBGF only.
1062	*/
1063	VMMR3DECL(int) MMR3HyperReadGCVirt(PVM pVM, void *pvDst, RTGCPTR GCPtr, size_t cb)
1064	{
1065	if (GCPtr - pVM->mm.s.pvHyperAreaGC >= pVM->mm.s.cbHyperArea)
1066	return VERR_INVALID_PARAMETER;
1067	return PGMR3MapRead(pVM, pvDst, GCPtr, cb);
1068	}
1069
1070
1071	/**
1072	* Info handler for 'hma', it dumps the list of lookup records for the hypervisor memory area.
1073	*
1074	* @param pVM The VM handle.
1075	* @param pHlp Callback functions for doing output.
1076	* @param pszArgs Argument string. Optional and specific to the handler.
1077	*/
1078	static DECLCALLBACK(void) mmR3HyperInfoHma(PVM pVM, PCDBGFINFOHLP pHlp, const char *pszArgs)
1079	{
1080	pHlp->pfnPrintf(pHlp, "Hypervisor Memory Area (HMA) Layout: Base %VGv, 0x%08x bytes\n",
1081	pVM->mm.s.pvHyperAreaGC, pVM->mm.s.cbHyperArea);
1082
1083	PMMLOOKUPHYPER pLookup = (PMMLOOKUPHYPER)((uint8_t *)pVM->mm.s.pHyperHeapR3 + pVM->mm.s.offLookupHyper);
1084	for (;;)
1085	{
1086	switch (pLookup->enmType)
1087	{
1088	case MMLOOKUPHYPERTYPE_LOCKED:
1089	pHlp->pfnPrintf(pHlp, "%VGv-%VGv %RHv LOCKED %-*s %s\n",
1090	pLookup->off + pVM->mm.s.pvHyperAreaGC,
1091	pLookup->off + pVM->mm.s.pvHyperAreaGC + pLookup->cb,
1092	pLookup->u.Locked.pvR3,
1093	sizeof(RTHCPTR) * 2,
1094	pLookup->u.Locked.pLockedMem->eType == MM_LOCKED_TYPE_HYPER_NOFREE ? "nofree"
1095	: pLookup->u.Locked.pLockedMem->eType == MM_LOCKED_TYPE_HYPER ? "autofree"
1096	: pLookup->u.Locked.pLockedMem->eType == MM_LOCKED_TYPE_HYPER_PAGES ? "pages"
1097	: pLookup->u.Locked.pLockedMem->eType == MM_LOCKED_TYPE_PHYS ? "gstphys"
1098	: "??",
1099	pLookup->pszDesc);
1100	break;
1101
1102	case MMLOOKUPHYPERTYPE_HCPHYS:
1103	pHlp->pfnPrintf(pHlp, "%VGv-%VGv %RHv HCPHYS %VHp %s\n",
1104	pLookup->off + pVM->mm.s.pvHyperAreaGC,
1105	pLookup->off + pVM->mm.s.pvHyperAreaGC + pLookup->cb,
1106	pLookup->u.HCPhys.pvR3, pLookup->u.HCPhys.HCPhys,
1107	pLookup->pszDesc);
1108	break;
1109
1110	case MMLOOKUPHYPERTYPE_GCPHYS:
1111	pHlp->pfnPrintf(pHlp, "%VGv-%VGv %s GCPHYS %VGp%s %s\n",
1112	pLookup->off + pVM->mm.s.pvHyperAreaGC,
1113	pLookup->off + pVM->mm.s.pvHyperAreaGC + pLookup->cb,
1114	sizeof(RTHCPTR) * 2, "",
1115	pLookup->u.GCPhys.GCPhys, RT_ABS((int)(sizeof(RTHCPHYS) - sizeof(RTGCPHYS))) * 2, "",
1116	pLookup->pszDesc);
1117	break;
1118
1119	case MMLOOKUPHYPERTYPE_MMIO2:
1120	pHlp->pfnPrintf(pHlp, "%VGv-%VGv %s MMIO2 %VGp%s %s\n",
1121	pLookup->off + pVM->mm.s.pvHyperAreaGC,
1122	pLookup->off + pVM->mm.s.pvHyperAreaGC + pLookup->cb,
1123	sizeof(RTHCPTR) * 2, "",
1124	pLookup->u.MMIO2.off, RT_ABS((int)(sizeof(RTHCPHYS) - sizeof(RTGCPHYS))) * 2, "",
1125	pLookup->pszDesc);
1126	break;
1127
1128	case MMLOOKUPHYPERTYPE_DYNAMIC:
1129	pHlp->pfnPrintf(pHlp, "%VGv-%VGv %s DYNAMIC %s %s\n",
1130	pLookup->off + pVM->mm.s.pvHyperAreaGC,
1131	pLookup->off + pVM->mm.s.pvHyperAreaGC + pLookup->cb,
1132	sizeof(RTHCPTR) * 2, "",
1133	sizeof(RTHCPTR) * 2, "",
1134	pLookup->pszDesc);
1135	break;
1136
1137	default:
1138	AssertMsgFailed(("enmType=%d\n", pLookup->enmType));
1139	break;
1140	}
1141
1142	/* next */
1143	if ((unsigned)pLookup->offNext == NIL_OFFSET)
1144	break;
1145	pLookup = (PMMLOOKUPHYPER)((uint8_t *)pLookup + pLookup->offNext);
1146	}
1147	}
1148

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source: vbox/trunk/src/VBox/VMM/MMHyper.cpp@ 13384

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