MMHyper.cpp@ 15506

Last change on this file since 15506 was 15506, checked in by vboxsync, 16 years ago
#3202: Reduced the heap size.
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File size: 40.2 KB

Line
1	/* $Id: MMHyper.cpp 15506 2008-12-15 14:44:30Z vboxsync $ */
2	/** @file
3	* MM - Memory Manager - Hypervisor Memory Area.
4	*/
5
6	/*
7	* Copyright (C) 2006-2007 Sun Microsystems, Inc.
8	*
9	* This file is part of VirtualBox Open Source Edition (OSE), as
10	* available from http://www.virtualbox.org. This file is free software;
11	* you can redistribute it and/or modify it under the terms of the GNU
12	* General Public License (GPL) as published by the Free Software
13	* Foundation, in version 2 as it comes in the "COPYING" file of the
14	* VirtualBox OSE distribution. VirtualBox OSE is distributed in the
15	* hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
16	*
17	* Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa
18	* Clara, CA 95054 USA or visit http://www.sun.com if you need
19	* additional information or have any questions.
20	*/
21
22
23	/*******************************************************************************
24	* Header Files *
25	*******************************************************************************/
26	#define LOG_GROUP LOG_GROUP_MM_HYPER
27	#include <VBox/pgm.h>
28	#include <VBox/mm.h>
29	#include <VBox/dbgf.h>
30	#include "MMInternal.h"
31	#include <VBox/vm.h>
32	#include <VBox/err.h>
33	#include <VBox/param.h>
34	#include <VBox/log.h>
35	#include <iprt/alloc.h>
36	#include <iprt/assert.h>
37	#include <iprt/string.h>
38
39
40	/*******************************************************************************
41	* Internal Functions *
42	*******************************************************************************/
43	static DECLCALLBACK(bool) mmR3HyperRelocateCallback(PVM pVM, RTGCPTR GCPtrOld, RTGCPTR GCPtrNew, PGMRELOCATECALL enmMode, void *pvUser);
44	static int mmR3HyperMap(PVM pVM, const size_t cb, const char pszDesc, PRTGCPTR pGCPtr, PMMLOOKUPHYPER ppLookup);
45	static int mmR3HyperHeapCreate(PVM pVM, const size_t cb, PMMHYPERHEAP *ppHeap, PRTR0PTR pR0PtrHeap);
46	static int mmR3HyperHeapMap(PVM pVM, PMMHYPERHEAP pHeap, PRTGCPTR ppHeapGC);
47	static DECLCALLBACK(void) mmR3HyperInfoHma(PVM pVM, PCDBGFINFOHLP pHlp, const char *pszArgs);
48
49
50
51
52	/**
53	* Initializes the hypvervisor related MM stuff without
54	* calling down to PGM.
55	*
56	* PGM is not initialized at this point, PGM relies on
57	* the heap to initialize.
58	*
59	* @returns VBox status.
60	*/
61	int mmR3HyperInit(PVM pVM)
62	{
63	LogFlow(("mmR3HyperInit:\n"));
64
65	/*
66	* Decide Hypervisor mapping in the guest context
67	* And setup various hypervisor area and heap parameters.
68	*/
69	pVM->mm.s.pvHyperAreaGC = (RTGCPTR)MM_HYPER_AREA_ADDRESS;
70	pVM->mm.s.cbHyperArea = MM_HYPER_AREA_MAX_SIZE;
71	AssertRelease(RT_ALIGN_T(pVM->mm.s.pvHyperAreaGC, 1 << X86_PD_SHIFT, RTGCPTR) == pVM->mm.s.pvHyperAreaGC);
72	Assert(pVM->mm.s.pvHyperAreaGC < 0xff000000);
73
74	/** @todo @bugref{1865}, @bugref{3202}: Change the cbHyperHeap default
75	* depending on whether VT-x/AMD-V is enabled or not! Don't waste
76	* precious kernel space on heap for the PATM. */
77	uint32_t cbHyperHeap;
78	int rc = CFGMR3QueryU32(CFGMR3GetChild(CFGMR3GetRoot(pVM), "MM"), "cbHyperHeap", &cbHyperHeap);
79	if (rc == VERR_CFGM_NO_PARENT \|\| rc == VERR_CFGM_VALUE_NOT_FOUND)
80	cbHyperHeap = VMMIsHwVirtExtForced(pVM)
81	? 384*_1K
82	: 1280*_1K;
83	else if (RT_FAILURE(rc))
84	{
85	LogRel(("MM/cbHyperHeap query -> %Rrc\n", rc));
86	AssertRCReturn(rc, rc);
87	}
88	cbHyperHeap = RT_ALIGN_32(cbHyperHeap, PAGE_SIZE);
89
90	/*
91	* Allocate the hypervisor heap.
92	*
93	* (This must be done before we start adding memory to the
94	* hypervisor static area because lookup records are allocated from it.)
95	*/
96	rc = mmR3HyperHeapCreate(pVM, cbHyperHeap, &pVM->mm.s.pHyperHeapR3, &pVM->mm.s.pHyperHeapR0);
97	if (RT_SUCCESS(rc))
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 Ring-3 address of the memory. Must be page aligned!
322	* @param pvR0 Optional ring-0 address of the memory.
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, RTR0PTR pvR0, RTHCPHYS HCPhys, size_t cb, const char pszDesc, PRTGCPTR pGCPtr)
330	{
331	LogFlow(("MMR3HyperMapHCPhys: pvR3=%p pvR0=%p HCPhys=%RHp cb=%d pszDesc=%p:{%s} pGCPtr=%p\n", pvR3, pvR0, 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(pvR0, PAGE_SIZE, RTR0PTR) == pvR0, 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 (RT_SUCCESS(rc))
350	{
351	pLookup->enmType = MMLOOKUPHYPERTYPE_HCPHYS;
352	pLookup->u.HCPhys.pvR3 = pvR3;
353	pLookup->u.HCPhys.pvR0 = pvR0;
354	pLookup->u.HCPhys.HCPhys = HCPhys;
355
356	/*
357	* Update the page table.
358	*/
359	if (pVM->mm.s.fPGMInitialized)
360	rc = PGMMap(pVM, GCPtr, HCPhys, cbAligned, 0);
361	if (RT_SUCCESS(rc))
362	*pGCPtr = GCPtr;
363	}
364	return rc;
365	}
366
367
368	/**
369	* Maps contiguous GC physical memory into the hypervisor region in the GC.
370	*
371	* @return VBox status code.
372	*
373	* @param pVM VM handle.
374	* @param GCPhys Guest context physical address of the memory to be mapped. Must be page aligned!
375	* @param cb Size of the memory. Will be rounded up to nearest page.
376	* @param pszDesc Mapping description.
377	* @param pGCPtr Where to store the GC address.
378	*/
379	VMMR3DECL(int) MMR3HyperMapGCPhys(PVM pVM, RTGCPHYS GCPhys, size_t cb, const char *pszDesc, PRTGCPTR pGCPtr)
380	{
381	LogFlow(("MMR3HyperMapGCPhys: GCPhys=%RGp cb=%d pszDesc=%p:{%s} pGCPtr=%p\n", GCPhys, (int)cb, pszDesc, pszDesc, pGCPtr));
382
383	/*
384	* Validate input.
385	*/
386	AssertReturn(RT_ALIGN_T(GCPhys, PAGE_SIZE, RTGCPHYS) == GCPhys, VERR_INVALID_PARAMETER);
387	AssertReturn(pszDesc && *pszDesc, VERR_INVALID_PARAMETER);
388
389	/*
390	* Add the memory to the hypervisor area.
391	*/
392	cb = RT_ALIGN_Z(cb, PAGE_SIZE);
393	RTGCPTR GCPtr;
394	PMMLOOKUPHYPER pLookup;
395	int rc = mmR3HyperMap(pVM, cb, pszDesc, &GCPtr, &pLookup);
396	if (RT_SUCCESS(rc))
397	{
398	pLookup->enmType = MMLOOKUPHYPERTYPE_GCPHYS;
399	pLookup->u.GCPhys.GCPhys = GCPhys;
400
401	/*
402	* Update the page table.
403	*/
404	for (unsigned off = 0; off < cb; off += PAGE_SIZE)
405	{
406	RTHCPHYS HCPhys;
407	rc = PGMPhysGCPhys2HCPhys(pVM, GCPhys + off, &HCPhys);
408	AssertRC(rc);
409	if (RT_FAILURE(rc))
410	{
411	AssertMsgFailed(("rc=%Rrc GCPhys=%RGp off=%#x %s\n", rc, GCPhys, off, pszDesc));
412	break;
413	}
414	if (pVM->mm.s.fPGMInitialized)
415	{
416	rc = PGMMap(pVM, GCPtr + off, HCPhys, PAGE_SIZE, 0);
417	AssertRC(rc);
418	if (RT_FAILURE(rc))
419	{
420	AssertMsgFailed(("rc=%Rrc GCPhys=%RGp off=%#x %s\n", rc, GCPhys, off, pszDesc));
421	break;
422	}
423	}
424	}
425
426	if (RT_SUCCESS(rc) && pGCPtr)
427	*pGCPtr = GCPtr;
428	}
429	return rc;
430	}
431
432
433	/**
434	* Maps a portion of an MMIO2 region into the hypervisor region.
435	*
436	* Callers of this API must never deregister the MMIO2 region before the
437	* VM is powered off. If this becomes a requirement MMR3HyperUnmapMMIO2
438	* API will be needed to perform cleanups.
439	*
440	* @return VBox status code.
441	*
442	* @param pVM Pointer to the shared VM structure.
443	* @param pDevIns The device owning the MMIO2 memory.
444	* @param iRegion The region.
445	* @param off The offset into the region. Will be rounded down to closest page boundrary.
446	* @param cb The number of bytes to map. Will be rounded up to the closest page boundrary.
447	* @param pszDesc Mapping description.
448	* @param pRCPtr Where to store the RC address.
449	*/
450	VMMR3DECL(int) MMR3HyperMapMMIO2(PVM pVM, PPDMDEVINS pDevIns, uint32_t iRegion, RTGCPHYS off, RTGCPHYS cb,
451	const char *pszDesc, PRTRCPTR pRCPtr)
452	{
453	LogFlow(("MMR3HyperMapMMIO2: pDevIns=%p iRegion=%#x off=%RGp cb=%RGp pszDesc=%p:{%s} pRCPtr=%p\n",
454	pDevIns, iRegion, off, cb, pszDesc, pszDesc, pRCPtr));
455	int rc;
456
457	/*
458	* Validate input.
459	*/
460	AssertReturn(pszDesc && *pszDesc, VERR_INVALID_PARAMETER);
461	AssertReturn(off + cb > off, VERR_INVALID_PARAMETER);
462	uint32_t const offPage = off & PAGE_OFFSET_MASK;
463	off &= ~(RTGCPHYS)PAGE_OFFSET_MASK;
464	cb += offPage;
465	cb = RT_ALIGN_Z(cb, PAGE_SIZE);
466	const RTGCPHYS offEnd = off + cb;
467	AssertReturn(offEnd > off, VERR_INVALID_PARAMETER);
468	for (RTGCPHYS offCur = off; offCur < offEnd; offCur += PAGE_SIZE)
469	{
470	RTHCPHYS HCPhys;
471	rc = PGMR3PhysMMIO2GetHCPhys(pVM, pDevIns, iRegion, offCur, &HCPhys);
472	AssertMsgRCReturn(rc, ("rc=%Rrc - iRegion=%d off=%RGp\n", rc, iRegion, off), rc);
473	}
474
475	/*
476	* Add the memory to the hypervisor area.
477	*/
478	RTGCPTR GCPtr;
479	PMMLOOKUPHYPER pLookup;
480	rc = mmR3HyperMap(pVM, cb, pszDesc, &GCPtr, &pLookup);
481	if (RT_SUCCESS(rc))
482	{
483	pLookup->enmType = MMLOOKUPHYPERTYPE_MMIO2;
484	pLookup->u.MMIO2.pDevIns = pDevIns;
485	pLookup->u.MMIO2.iRegion = iRegion;
486	pLookup->u.MMIO2.off = off;
487
488	/*
489	* Update the page table.
490	*/
491	if (pVM->mm.s.fPGMInitialized)
492	{
493	for (RTGCPHYS offCur = off; offCur < offEnd; offCur += PAGE_SIZE)
494	{
495	RTHCPHYS HCPhys;
496	rc = PGMR3PhysMMIO2GetHCPhys(pVM, pDevIns, iRegion, offCur, &HCPhys);
497	AssertRCReturn(rc, VERR_INTERNAL_ERROR);
498	rc = PGMMap(pVM, GCPtr + (offCur - off), HCPhys, PAGE_SIZE, 0);
499	if (RT_FAILURE(rc))
500	{
501	AssertMsgFailed(("rc=%Rrc offCur=%RGp %s\n", rc, offCur, pszDesc));
502	break;
503	}
504	}
505	}
506
507	if (RT_SUCCESS(rc))
508	{
509	GCPtr \|= offPage;
510	*pRCPtr = GCPtr;
511	AssertLogRelReturn(*pRCPtr == GCPtr, VERR_INTERNAL_ERROR);
512	}
513	}
514	return rc;
515	}
516
517
518	/**
519	* Maps locked R3 virtual memory into the hypervisor region in the GC.
520	*
521	* @return VBox status code.
522	*
523	* @param pVM VM handle.
524	* @param pvR3 The ring-3 address of the memory, must be page aligned.
525	* @param pvR0 The ring-0 address of the memory, must be page aligned. (optional)
526	* @param cPages The number of pages.
527	* @param paPages The page descriptors.
528	* @param pszDesc Mapping description.
529	* @param pGCPtr Where to store the GC address corresponding to pvR3.
530	*/
531	VMMR3DECL(int) MMR3HyperMapPages(PVM pVM, void pvR3, RTR0PTR pvR0, size_t cPages, PCSUPPAGE paPages, const char pszDesc, PRTGCPTR pGCPtr)
532	{
533	LogFlow(("MMR3HyperMapPages: pvR3=%p pvR0=%p cPages=%zu paPages=%p pszDesc=%p:{%s} pGCPtr=%p\n",
534	pvR3, pvR0, cPages, paPages, pszDesc, pszDesc, pGCPtr));
535
536	/*
537	* Validate input.
538	*/
539	AssertPtrReturn(pvR3, VERR_INVALID_POINTER);
540	AssertPtrReturn(paPages, VERR_INVALID_POINTER);
541	AssertReturn(cPages > 0, VERR_PAGE_COUNT_OUT_OF_RANGE);
542	AssertReturn(cPages <= VBOX_MAX_ALLOC_PAGE_COUNT, VERR_PAGE_COUNT_OUT_OF_RANGE);
543	AssertPtrReturn(pszDesc, VERR_INVALID_POINTER);
544	AssertReturn(*pszDesc, VERR_INVALID_PARAMETER);
545	AssertPtrReturn(pGCPtr, VERR_INVALID_PARAMETER);
546
547	/*
548	* Add the memory to the hypervisor area.
549	*/
550	RTGCPTR GCPtr;
551	PMMLOOKUPHYPER pLookup;
552	int rc = mmR3HyperMap(pVM, cPages << PAGE_SHIFT, pszDesc, &GCPtr, &pLookup);
553	if (RT_SUCCESS(rc))
554	{
555	/*
556	* Create a locked memory record and tell PGM about this.
557	*/
558	PMMLOCKEDMEM pLockedMem = (PMMLOCKEDMEM)MMR3HeapAlloc(pVM, MM_TAG_MM, RT_OFFSETOF(MMLOCKEDMEM, aPhysPages[cPages]));
559	if (pLockedMem)
560	{
561	pLockedMem->pv = pvR3;
562	pLockedMem->cb = cPages << PAGE_SHIFT;
563	pLockedMem->eType = MM_LOCKED_TYPE_HYPER_PAGES;
564	memset(&pLockedMem->u, 0, sizeof(pLockedMem->u));
565	for (size_t i = 0; i < cPages; i++)
566	{
567	AssertReleaseReturn(paPages[i].Phys != 0 && paPages[i].Phys != NIL_RTHCPHYS && !(paPages[i].Phys & PAGE_OFFSET_MASK), VERR_INTERNAL_ERROR);
568	pLockedMem->aPhysPages[i].Phys = paPages[i].Phys;
569	pLockedMem->aPhysPages[i].uReserved = (RTHCUINTPTR)pLockedMem;
570	}
571
572	/* map the stuff into guest address space. */
573	if (pVM->mm.s.fPGMInitialized)
574	rc = mmR3MapLocked(pVM, pLockedMem, GCPtr, 0, ~(size_t)0, 0);
575	if (RT_SUCCESS(rc))
576	{
577	pLookup->enmType = MMLOOKUPHYPERTYPE_LOCKED;
578	pLookup->u.Locked.pvR3 = pvR3;
579	pLookup->u.Locked.pvR0 = pvR0;
580	pLookup->u.Locked.pLockedMem = pLockedMem;
581
582	/* done. */
583	*pGCPtr = GCPtr;
584	return rc;
585	}
586	/* Don't care about failure clean, we're screwed if this fails anyway. */
587	}
588	}
589
590	return rc;
591	}
592
593
594	/**
595	* Reserves a hypervisor memory area.
596	* Most frequent usage is fence pages and dynamically mappings like the guest PD and PDPT.
597	*
598	* @return VBox status code.
599	*
600	* @param pVM VM handle.
601	* @param cb Size of the memory. Will be rounded up to nearest page.
602	* @param pszDesc Mapping description.
603	* @param pGCPtr Where to store the assigned GC address. Optional.
604	*/
605	VMMR3DECL(int) MMR3HyperReserve(PVM pVM, unsigned cb, const char *pszDesc, PRTGCPTR pGCPtr)
606	{
607	LogFlow(("MMR3HyperMapHCRam: cb=%d pszDesc=%p:{%s} pGCPtr=%p\n", (int)cb, pszDesc, pszDesc, pGCPtr));
608
609	/*
610	* Validate input.
611	*/
612	if ( cb <= 0
613	\|\| !pszDesc
614	\|\| !*pszDesc)
615	{
616	AssertMsgFailed(("Invalid parameter\n"));
617	return VERR_INVALID_PARAMETER;
618	}
619
620	/*
621	* Add the memory to the hypervisor area.
622	*/
623	RTGCPTR GCPtr;
624	PMMLOOKUPHYPER pLookup;
625	int rc = mmR3HyperMap(pVM, cb, pszDesc, &GCPtr, &pLookup);
626	if (RT_SUCCESS(rc))
627	{
628	pLookup->enmType = MMLOOKUPHYPERTYPE_DYNAMIC;
629	if (pGCPtr)
630	*pGCPtr = GCPtr;
631	return VINF_SUCCESS;
632	}
633	return rc;
634	}
635
636
637	/**
638	* Adds memory to the hypervisor memory arena.
639	*
640	* @return VBox status code.
641	* @param pVM The VM handle.
642	* @param cb Size of the memory. Will be rounded up to neares page.
643	* @param pszDesc The description of the memory.
644	* @param pGCPtr Where to store the GC address.
645	* @param ppLookup Where to store the pointer to the lookup record.
646	* @remark We assume the threading structure of VBox imposes natural
647	* serialization of most functions, this one included.
648	*/
649	static int mmR3HyperMap(PVM pVM, const size_t cb, const char pszDesc, PRTGCPTR pGCPtr, PMMLOOKUPHYPER ppLookup)
650	{
651	/*
652	* Validate input.
653	*/
654	const uint32_t cbAligned = RT_ALIGN_32(cb, PAGE_SIZE);
655	AssertReturn(cbAligned >= cb, VERR_INVALID_PARAMETER);
656	if (pVM->mm.s.offHyperNextStatic + cbAligned >= pVM->mm.s.cbHyperArea) /* don't use the last page, it's a fence. */
657	{
658	AssertMsgFailed(("Out of static mapping space in the HMA! offHyperAreaGC=%x cbAligned=%x\n",
659	pVM->mm.s.offHyperNextStatic, cbAligned));
660	return VERR_NO_MEMORY;
661	}
662
663	/*
664	* Allocate lookup record.
665	*/
666	PMMLOOKUPHYPER pLookup;
667	int rc = MMHyperAlloc(pVM, sizeof(pLookup), 1, MM_TAG_MM, (void *)&pLookup);
668	if (RT_SUCCESS(rc))
669	{
670	/*
671	* Initialize it and insert it.
672	*/
673	pLookup->offNext = pVM->mm.s.offLookupHyper;
674	pLookup->cb = cbAligned;
675	pLookup->off = pVM->mm.s.offHyperNextStatic;
676	pVM->mm.s.offLookupHyper = (uint8_t )pLookup - (uint8_t )pVM->mm.s.pHyperHeapR3;
677	if (pLookup->offNext != (int32_t)NIL_OFFSET)
678	pLookup->offNext -= pVM->mm.s.offLookupHyper;
679	pLookup->enmType = MMLOOKUPHYPERTYPE_INVALID;
680	memset(&pLookup->u, 0xff, sizeof(pLookup->u));
681	pLookup->pszDesc = pszDesc;
682
683	/* Mapping. */
684	*pGCPtr = pVM->mm.s.pvHyperAreaGC + pVM->mm.s.offHyperNextStatic;
685	pVM->mm.s.offHyperNextStatic += cbAligned;
686
687	/* Return pointer. */
688	*ppLookup = pLookup;
689	}
690
691	AssertRC(rc);
692	LogFlow(("mmR3HyperMap: returns %Rrc pGCPtr=%RGv\n", rc, pGCPtr));
693	return rc;
694	}
695
696
697	/**
698	* Allocates a new heap.
699	*
700	* @returns VBox status code.
701	* @param pVM The VM handle.
702	* @param cb The size of the new heap.
703	* @param ppHeap Where to store the heap pointer on successful return.
704	* @param pR0PtrHeap Where to store the ring-0 address of the heap on
705	* success.
706	*/
707	static int mmR3HyperHeapCreate(PVM pVM, const size_t cb, PMMHYPERHEAP *ppHeap, PRTR0PTR pR0PtrHeap)
708	{
709	/*
710	* Allocate the hypervisor heap.
711	*/
712	const uint32_t cbAligned = RT_ALIGN_32(cb, PAGE_SIZE);
713	AssertReturn(cbAligned >= cb, VERR_INVALID_PARAMETER);
714	uint32_t const cPages = cb >> PAGE_SHIFT;
715	PSUPPAGE paPages = (PSUPPAGE)MMR3HeapAlloc(pVM, MM_TAG_MM, cPages * sizeof(paPages[0]));
716	if (!paPages)
717	return VERR_NO_MEMORY;
718	void *pv;
719	RTR0PTR pvR0 = NIL_RTR0PTR;
720	int rc = SUPR3PageAllocEx(cPages,
721	0 /fFlags/,
722	&pv,
723	VMMIsHwVirtExtForced(pVM) ? &pvR0 : NULL,
724	paPages);
725	if (RT_SUCCESS(rc))
726	{
727	if (!VMMIsHwVirtExtForced(pVM))
728	#ifdef VBOX_WITH_2X_4GB_ADDR_SPACE
729	pvR0 = NIL_RTR0PTR;
730	#else
731	pvR0 = (uintptr_t)pv;
732	#endif
733	memset(pv, 0, cbAligned);
734
735	/*
736	* Initialize the heap and first free chunk.
737	*/
738	PMMHYPERHEAP pHeap = (PMMHYPERHEAP)pv;
739	pHeap->u32Magic = MMHYPERHEAP_MAGIC;
740	pHeap->pbHeapR3 = (uint8_t *)pHeap + MMYPERHEAP_HDR_SIZE;
741	pHeap->pbHeapR0 = pvR0 != NIL_RTR0PTR ? pvR0 + MMYPERHEAP_HDR_SIZE : NIL_RTR0PTR;
742	//pHeap->pbHeapRC = 0; // set by mmR3HyperHeapMap()
743	pHeap->pVMR3 = pVM;
744	pHeap->pVMR0 = pVM->pVMR0;
745	pHeap->pVMRC = pVM->pVMRC;
746	pHeap->cbHeap = cbAligned - MMYPERHEAP_HDR_SIZE;
747	pHeap->cbFree = pHeap->cbHeap - sizeof(MMHYPERCHUNK);
748	//pHeap->offFreeHead = 0;
749	//pHeap->offFreeTail = 0;
750	pHeap->offPageAligned = pHeap->cbHeap;
751	//pHeap->HyperHeapStatTree = 0;
752	pHeap->paPages = paPages;
753
754	PMMHYPERCHUNKFREE pFree = (PMMHYPERCHUNKFREE)pHeap->pbHeapR3;
755	pFree->cb = pHeap->cbFree;
756	//pFree->core.offNext = 0;
757	MMHYPERCHUNK_SET_TYPE(&pFree->core, MMHYPERCHUNK_FLAGS_FREE);
758	pFree->core.offHeap = -(int32_t)MMYPERHEAP_HDR_SIZE;
759	//pFree->offNext = 0;
760	//pFree->offPrev = 0;
761
762	STAMR3Register(pVM, &pHeap->cbHeap, STAMTYPE_U32, STAMVISIBILITY_ALWAYS, "/MM/HyperHeap/cbHeap", STAMUNIT_BYTES, "The heap size.");
763	STAMR3Register(pVM, &pHeap->cbFree, STAMTYPE_U32, STAMVISIBILITY_ALWAYS, "/MM/HyperHeap/cbFree", STAMUNIT_BYTES, "The free space.");
764
765	*ppHeap = pHeap;
766	*pR0PtrHeap = pvR0;
767	return VINF_SUCCESS;
768	}
769	AssertMsgFailed(("SUPR3PageAllocEx(%d,,,,) -> %Rrc\n", cbAligned >> PAGE_SHIFT, rc));
770
771	*ppHeap = NULL;
772	return rc;
773	}
774
775
776	/**
777	* Allocates a new heap.
778	*/
779	static int mmR3HyperHeapMap(PVM pVM, PMMHYPERHEAP pHeap, PRTGCPTR ppHeapGC)
780	{
781	Assert(RT_ALIGN_Z(pHeap->cbHeap + MMYPERHEAP_HDR_SIZE, PAGE_SIZE) == pHeap->cbHeap + MMYPERHEAP_HDR_SIZE);
782	Assert(pHeap->paPages);
783	int rc = MMR3HyperMapPages(pVM,
784	pHeap,
785	pHeap->pbHeapR0 != NIL_RTR0PTR ? pHeap->pbHeapR0 - MMYPERHEAP_HDR_SIZE : NIL_RTR0PTR,
786	(pHeap->cbHeap + MMYPERHEAP_HDR_SIZE) >> PAGE_SHIFT,
787	pHeap->paPages,
788	"Heap", ppHeapGC);
789	if (RT_SUCCESS(rc))
790	{
791	pHeap->pVMRC = pVM->pVMRC;
792	pHeap->pbHeapRC = *ppHeapGC + MMYPERHEAP_HDR_SIZE;
793	/* Reserve a page for fencing. */
794	MMR3HyperReserve(pVM, PAGE_SIZE, "fence", NULL);
795
796	/* We won't need these any more. */
797	MMR3HeapFree(pHeap->paPages);
798	pHeap->paPages = NULL;
799	}
800	return rc;
801	}
802
803
804	#if 0
805	/**
806	* Destroys a heap.
807	*/
808	static int mmR3HyperHeapDestroy(PVM pVM, PMMHYPERHEAP pHeap)
809	{
810	/* all this is dealt with when unlocking and freeing locked memory. */
811	}
812	#endif
813
814
815	/**
816	* Allocates memory in the Hypervisor (GC VMM) area which never will
817	* be freed and doesn't have any offset based relation to other heap blocks.
818	*
819	* The latter means that two blocks allocated by this API will not have the
820	* same relative position to each other in GC and HC. In short, never use
821	* this API for allocating nodes for an offset based AVL tree!
822	*
823	* The returned memory is of course zeroed.
824	*
825	* @returns VBox status code.
826	* @param pVM The VM to operate on.
827	* @param cb Number of bytes to allocate.
828	* @param uAlignment Required memory alignment in bytes.
829	* Values are 0,8,16,32 and PAGE_SIZE.
830	* 0 -> default alignment, i.e. 8 bytes.
831	* @param enmTag The statistics tag.
832	* @param ppv Where to store the address to the allocated
833	* memory.
834	* @remark This is assumed not to be used at times when serialization is required.
835	*/
836	VMMDECL(int) MMR3HyperAllocOnceNoRel(PVM pVM, size_t cb, unsigned uAlignment, MMTAG enmTag, void **ppv)
837	{
838	AssertMsg(cb >= 8, ("Hey! Do you really mean to allocate less than 8 bytes?! cb=%d\n", cb));
839
840	/*
841	* Choose between allocating a new chunk of HMA memory
842	* and the heap. We will only do BIG allocations from HMA.
843	*/
844	if ( cb < _64K
845	&& ( uAlignment != PAGE_SIZE
846	\|\| cb < 48*_1K))
847	{
848	int rc = MMHyperAlloc(pVM, cb, uAlignment, enmTag, ppv);
849	if ( rc != VERR_MM_HYPER_NO_MEMORY
850	\|\| cb <= 8*_1K)
851	{
852	Log2(("MMR3HyperAllocOnceNoRel: cb=%#zx uAlignment=%#x returns %Rrc and *ppv=%p\n",
853	cb, uAlignment, rc, *ppv));
854	return rc;
855	}
856	}
857
858	/*
859	* Validate alignment.
860	*/
861	switch (uAlignment)
862	{
863	case 0:
864	case 8:
865	case 16:
866	case 32:
867	case PAGE_SIZE:
868	break;
869	default:
870	AssertMsgFailed(("Invalid alignment %u\n", uAlignment));
871	return VERR_INVALID_PARAMETER;
872	}
873
874	/*
875	* Allocate the pages and map them into HMA space.
876	*/
877	cb = RT_ALIGN(cb, PAGE_SIZE);
878	uint32_t const cPages = cb >> PAGE_SHIFT;
879	PSUPPAGE paPages = (PSUPPAGE)RTMemTmpAlloc(cPages * sizeof(paPages[0]));
880	if (!paPages)
881	return VERR_NO_TMP_MEMORY;
882	void *pvPages;
883	RTR0PTR pvR0 = NIL_RTR0PTR;
884	int rc = SUPR3PageAllocEx(cPages,
885	0 /fFlags/,
886	&pvPages,
887	VMMIsHwVirtExtForced(pVM) ? &pvR0 : NULL,
888	paPages);
889	if (RT_SUCCESS(rc))
890	{
891	if (!VMMIsHwVirtExtForced(pVM))
892	#ifdef VBOX_WITH_2X_4GB_ADDR_SPACE
893	pvR0 = NIL_RTR0PTR;
894	#else
895	pvR0 = (uintptr_t)pvPages;
896	#endif
897	memset(pvPages, 0, cb);
898
899	RTGCPTR GCPtr;
900	rc = MMR3HyperMapPages(pVM,
901	pvPages,
902	pvR0,
903	cPages,
904	paPages,
905	MMR3HeapAPrintf(pVM, MM_TAG_MM, "alloc once (%s)", mmR3GetTagName(enmTag)),
906	&GCPtr);
907	if (RT_SUCCESS(rc))
908	{
909	*ppv = pvPages;
910	Log2(("MMR3HyperAllocOnceNoRel: cb=%#x uAlignment=%#x returns VINF_SUCCESS and *ppv=%p\n",
911	cb, uAlignment, *ppv));
912	MMR3HyperReserve(pVM, PAGE_SIZE, "fence", NULL);
913	return rc;
914	}
915	AssertMsgFailed(("Failed to allocate %zd bytes! %Rrc\n", cb, rc));
916	SUPR3PageFreeEx(pvPages, cPages);
917
918
919	/*
920	* HACK ALERT! Try allocate it off the heap so that we don't freak
921	* out during vga/vmmdev mmio2 allocation with certain ram sizes.
922	*/
923	/** @todo make a proper fix for this so we will never end up in this kind of situation! */
924	Log(("MMR3HyperAllocOnceNoRel: MMR3HyperMapHCRam failed with rc=%Rrc, try MMHyperAlloc(,%#d,,) instead\n", rc, cb));
925	int rc2 = MMHyperAlloc(pVM, cb, uAlignment, enmTag, ppv);
926	if (RT_SUCCESS(rc2))
927	{
928	Log2(("MMR3HyperAllocOnceNoRel: cb=%#x uAlignment=%#x returns %Rrc and *ppv=%p\n",
929	cb, uAlignment, rc, *ppv));
930	return rc;
931	}
932	}
933	else
934	AssertMsgFailed(("Failed to allocate %zd bytes! %Rrc\n", cb, rc));
935
936	if (rc == VERR_NO_MEMORY)
937	rc = VERR_MM_HYPER_NO_MEMORY;
938	LogRel(("MMR3HyperAllocOnceNoRel: cb=%#zx uAlignment=%#x returns %Rrc\n", cb, uAlignment, rc));
939	return rc;
940	}
941
942
943	/**
944	* Convert hypervisor HC virtual address to HC physical address.
945	*
946	* @returns HC physical address.
947	* @param pVM VM Handle
948	* @param pvR3 Host context virtual address.
949	*/
950	VMMR3DECL(RTHCPHYS) MMR3HyperHCVirt2HCPhys(PVM pVM, void *pvR3)
951	{
952	PMMLOOKUPHYPER pLookup = (PMMLOOKUPHYPER)((uint8_t *)pVM->mm.s.pHyperHeapR3 + pVM->mm.s.offLookupHyper);
953	for (;;)
954	{
955	switch (pLookup->enmType)
956	{
957	case MMLOOKUPHYPERTYPE_LOCKED:
958	{
959	unsigned off = (uint8_t )pvR3 - (uint8_t )pLookup->u.Locked.pvR3;
960	if (off < pLookup->cb)
961	return (pLookup->u.Locked.pLockedMem->aPhysPages[off >> PAGE_SHIFT].Phys & X86_PTE_PAE_PG_MASK) \| (off & PAGE_OFFSET_MASK);
962	break;
963	}
964
965	case MMLOOKUPHYPERTYPE_HCPHYS:
966	{
967	unsigned off = (uint8_t )pvR3 - (uint8_t )pLookup->u.HCPhys.pvR3;
968	if (off < pLookup->cb)
969	return pLookup->u.HCPhys.HCPhys + off;
970	break;
971	}
972
973	case MMLOOKUPHYPERTYPE_GCPHYS:
974	case MMLOOKUPHYPERTYPE_MMIO2:
975	case MMLOOKUPHYPERTYPE_DYNAMIC:
976	/* can (or don't want to) convert these kind of records. */
977	break;
978
979	default:
980	AssertMsgFailed(("enmType=%d\n", pLookup->enmType));
981	break;
982	}
983
984	/* next */
985	if ((unsigned)pLookup->offNext == NIL_OFFSET)
986	break;
987	pLookup = (PMMLOOKUPHYPER)((uint8_t *)pLookup + pLookup->offNext);
988	}
989
990	AssertMsgFailed(("pvR3=%p is not inside the hypervisor memory area!\n", pvR3));
991	return NIL_RTHCPHYS;
992	}
993
994
995	#if 0 /* unused, not implemented */
996	/**
997	* Convert hypervisor HC physical address to HC virtual address.
998	*
999	* @returns HC virtual address.
1000	* @param pVM VM Handle
1001	* @param HCPhys Host context physical address.
1002	*/
1003	VMMR3DECL(void *) MMR3HyperHCPhys2HCVirt(PVM pVM, RTHCPHYS HCPhys)
1004	{
1005	void *pv;
1006	int rc = MMR3HyperHCPhys2HCVirtEx(pVM, HCPhys, &pv);
1007	if (RT_SUCCESS(rc))
1008	return pv;
1009	AssertMsgFailed(("Invalid address HCPhys=%x rc=%d\n", HCPhys, rc));
1010	return NULL;
1011	}
1012
1013
1014	/**
1015	* Convert hypervisor HC physical address to HC virtual address.
1016	*
1017	* @returns VBox status.
1018	* @param pVM VM Handle
1019	* @param HCPhys Host context physical address.
1020	* @param ppv Where to store the HC virtual address.
1021	*/
1022	VMMR3DECL(int) MMR3HyperHCPhys2HCVirtEx(PVM pVM, RTHCPHYS HCPhys, void **ppv)
1023	{
1024	/*
1025	* Linear search.
1026	*/
1027	/** @todo implement when actually used. */
1028	return VERR_INVALID_POINTER;
1029	}
1030	#endif /* unused, not implemented */
1031
1032
1033	/**
1034	* Read hypervisor memory from GC virtual address.
1035	*
1036	* @returns VBox status.
1037	* @param pVM VM handle.
1038	* @param pvDst Destination address (HC of course).
1039	* @param GCPtr GC virtual address.
1040	* @param cb Number of bytes to read.
1041	*
1042	* @remarks For DBGF only.
1043	*/
1044	VMMR3DECL(int) MMR3HyperReadGCVirt(PVM pVM, void *pvDst, RTGCPTR GCPtr, size_t cb)
1045	{
1046	if (GCPtr - pVM->mm.s.pvHyperAreaGC >= pVM->mm.s.cbHyperArea)
1047	return VERR_INVALID_PARAMETER;
1048	return PGMR3MapRead(pVM, pvDst, GCPtr, cb);
1049	}
1050
1051
1052	/**
1053	* Info handler for 'hma', it dumps the list of lookup records for the hypervisor memory area.
1054	*
1055	* @param pVM The VM handle.
1056	* @param pHlp Callback functions for doing output.
1057	* @param pszArgs Argument string. Optional and specific to the handler.
1058	*/
1059	static DECLCALLBACK(void) mmR3HyperInfoHma(PVM pVM, PCDBGFINFOHLP pHlp, const char *pszArgs)
1060	{
1061	pHlp->pfnPrintf(pHlp, "Hypervisor Memory Area (HMA) Layout: Base %RGv, 0x%08x bytes\n",
1062	pVM->mm.s.pvHyperAreaGC, pVM->mm.s.cbHyperArea);
1063
1064	PMMLOOKUPHYPER pLookup = (PMMLOOKUPHYPER)((uint8_t *)pVM->mm.s.pHyperHeapR3 + pVM->mm.s.offLookupHyper);
1065	for (;;)
1066	{
1067	switch (pLookup->enmType)
1068	{
1069	case MMLOOKUPHYPERTYPE_LOCKED:
1070	pHlp->pfnPrintf(pHlp, "%RGv-%RGv %RHv %RHv LOCKED %-*s %s\n",
1071	pLookup->off + pVM->mm.s.pvHyperAreaGC,
1072	pLookup->off + pVM->mm.s.pvHyperAreaGC + pLookup->cb,
1073	pLookup->u.Locked.pvR3,
1074	pLookup->u.Locked.pvR0,
1075	sizeof(RTHCPTR) * 2,
1076	pLookup->u.Locked.pLockedMem->eType == MM_LOCKED_TYPE_HYPER_NOFREE ? "nofree"
1077	: pLookup->u.Locked.pLockedMem->eType == MM_LOCKED_TYPE_HYPER ? "autofree"
1078	: pLookup->u.Locked.pLockedMem->eType == MM_LOCKED_TYPE_HYPER_PAGES ? "pages"
1079	: pLookup->u.Locked.pLockedMem->eType == MM_LOCKED_TYPE_PHYS ? "gstphys"
1080	: "??",
1081	pLookup->pszDesc);
1082	break;
1083
1084	case MMLOOKUPHYPERTYPE_HCPHYS:
1085	pHlp->pfnPrintf(pHlp, "%RGv-%RGv %RHv %RHv HCPHYS %RHp %s\n",
1086	pLookup->off + pVM->mm.s.pvHyperAreaGC,
1087	pLookup->off + pVM->mm.s.pvHyperAreaGC + pLookup->cb,
1088	pLookup->u.HCPhys.pvR3,
1089	pLookup->u.HCPhys.pvR0,
1090	pLookup->u.HCPhys.HCPhys,
1091	pLookup->pszDesc);
1092	break;
1093
1094	case MMLOOKUPHYPERTYPE_GCPHYS:
1095	pHlp->pfnPrintf(pHlp, "%RGv-%RGv %s GCPHYS %RGp%s %s\n",
1096	pLookup->off + pVM->mm.s.pvHyperAreaGC,
1097	pLookup->off + pVM->mm.s.pvHyperAreaGC + pLookup->cb,
1098	sizeof(RTHCPTR) * 2 * 2 + 1, "",
1099	pLookup->u.GCPhys.GCPhys, RT_ABS((int)(sizeof(RTHCPHYS) - sizeof(RTGCPHYS))) * 2, "",
1100	pLookup->pszDesc);
1101	break;
1102
1103	case MMLOOKUPHYPERTYPE_MMIO2:
1104	pHlp->pfnPrintf(pHlp, "%RGv-%RGv %s MMIO2 %RGp%s %s\n",
1105	pLookup->off + pVM->mm.s.pvHyperAreaGC,
1106	pLookup->off + pVM->mm.s.pvHyperAreaGC + pLookup->cb,
1107	sizeof(RTHCPTR) * 2 * 2 + 1, "",
1108	pLookup->u.MMIO2.off, RT_ABS((int)(sizeof(RTHCPHYS) - sizeof(RTGCPHYS))) * 2, "",
1109	pLookup->pszDesc);
1110	break;
1111
1112	case MMLOOKUPHYPERTYPE_DYNAMIC:
1113	pHlp->pfnPrintf(pHlp, "%RGv-%RGv %s DYNAMIC %s %s\n",
1114	pLookup->off + pVM->mm.s.pvHyperAreaGC,
1115	pLookup->off + pVM->mm.s.pvHyperAreaGC + pLookup->cb,
1116	sizeof(RTHCPTR) * 2 * 2 + 1, "",
1117	sizeof(RTHCPTR) * 2, "",
1118	pLookup->pszDesc);
1119	break;
1120
1121	default:
1122	AssertMsgFailed(("enmType=%d\n", pLookup->enmType));
1123	break;
1124	}
1125
1126	/* next */
1127	if ((unsigned)pLookup->offNext == NIL_OFFSET)
1128	break;
1129	pLookup = (PMMLOOKUPHYPER)((uint8_t *)pLookup + pLookup->offNext);
1130	}
1131	}
1132

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source: vbox/trunk/src/VBox/VMM/MMHyper.cpp@ 15506

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