IOMInternal.h@ 11162

Last change on this file since 11162 was 10538, checked in by vboxsync, 16 years ago
Fixed ring 3 mmio handling (unused previously).
Property svn:eol-style set to `native` Property svn:keywords set to `Id`
File size: 19.7 KB

Line
1	/* $Id: IOMInternal.h 10538 2008-07-11 17:53:49Z vboxsync $ */
2	/** @file
3	* IOM - Internal header file.
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	#ifndef ___IOMInternal_h
23	#define ___IOMInternal_h
24
25	#include <VBox/cdefs.h>
26	#include <VBox/types.h>
27	#include <VBox/iom.h>
28	#include <VBox/stam.h>
29	#include <VBox/pgm.h>
30	#include <VBox/param.h>
31	#include <iprt/avl.h>
32
33	#if !defined(IN_IOM_R3) && !defined(IN_IOM_R0) && !defined(IN_IOM_GC)
34	# error "Not in IOM! This is an internal header!"
35	#endif
36
37
38	/** @defgroup grp_iom_int Internals
39	* @ingroup grp_iom
40	* @internal
41	* @{
42	*/
43
44	/**
45	* MMIO range descriptor.
46	*/
47	typedef struct IOMMMIORANGE
48	{
49	/** Avl node core with GCPhys as Key and GCPhys + cbSize - 1 as KeyLast. */
50	AVLROGCPHYSNODECORE Core;
51	/** Start physical address. */
52	RTGCPHYS GCPhys;
53	/** Size of the range. */
54	uint32_t cb;
55	uint32_t u32Alignment; /*< Alignment padding. /
56
57	/** Pointer to user argument. */
58	RTR3PTR pvUserR3;
59	/** Pointer to device instance. */
60	PPDMDEVINSR3 pDevInsR3;
61	/** Pointer to write callback function. */
62	R3PTRTYPE(PFNIOMMMIOWRITE) pfnWriteCallbackR3;
63	/** Pointer to read callback function. */
64	R3PTRTYPE(PFNIOMMMIOREAD) pfnReadCallbackR3;
65	/** Pointer to fill (memset) callback function. */
66	R3PTRTYPE(PFNIOMMMIOFILL) pfnFillCallbackR3;
67
68	/** Pointer to user argument. */
69	RTR0PTR pvUserR0;
70	/** Pointer to device instance. */
71	PPDMDEVINSR0 pDevInsR0;
72	/** Pointer to write callback function. */
73	R0PTRTYPE(PFNIOMMMIOWRITE) pfnWriteCallbackR0;
74	/** Pointer to read callback function. */
75	R0PTRTYPE(PFNIOMMMIOREAD) pfnReadCallbackR0;
76	/** Pointer to fill (memset) callback function. */
77	R0PTRTYPE(PFNIOMMMIOFILL) pfnFillCallbackR0;
78
79	/** Pointer to user argument. */
80	RCPTRTYPE(void *) pvUserGC;
81	/** Pointer to device instance. */
82	PPDMDEVINSGC pDevInsGC;
83	/** Pointer to write callback function. */
84	RCPTRTYPE(PFNIOMMMIOWRITE) pfnWriteCallbackGC;
85	/** Pointer to read callback function. */
86	RCPTRTYPE(PFNIOMMMIOREAD) pfnReadCallbackGC;
87	/** Pointer to fill (memset) callback function. */
88	RCPTRTYPE(PFNIOMMMIOFILL) pfnFillCallbackGC;
89	/** Alignment padding. */
90	RTRCPTR GCPtrAlignment;
91
92	/** Description / Name. For easing debugging. */
93	R3PTRTYPE(const char *) pszDesc;
94	} IOMMMIORANGE;
95	/** Pointer to a MMIO range descriptor, R3 version. */
96	typedef struct IOMMMIORANGE *PIOMMMIORANGE;
97
98
99	/**
100	* MMIO address statistics. (one address)
101	*
102	* This is a simple way of making on demand statistics, however it's a
103	* bit free with the hypervisor heap memory..
104	*/
105	typedef struct IOMMMIOSTATS
106	{
107	/** Avl node core with the address as Key. */
108	AVLOGCPHYSNODECORE Core;
109	/** Number of reads to this address from R3. */
110	STAMCOUNTER ReadR3;
111	/** Number of writes to this address from R3. */
112	STAMCOUNTER WriteR3;
113	/** Number of reads to this address from R0. */
114	STAMCOUNTER ReadR0;
115	/** Number of writes to this address from R0. */
116	STAMCOUNTER WriteR0;
117	/** Number of reads to this address from GC. */
118	STAMCOUNTER ReadGC;
119	/** Number of writes to this address from GC. */
120	STAMCOUNTER WriteGC;
121	/** Profiling read handler overhead in R3. */
122	STAMPROFILEADV ProfReadR3;
123	/** Profiling write handler overhead in R3. */
124	STAMPROFILEADV ProfWriteR3;
125	/** Profiling read handler overhead in R0. */
126	STAMPROFILEADV ProfReadR0;
127	/** Profiling write handler overhead in R0. */
128	STAMPROFILEADV ProfWriteR0;
129	/** Profiling read handler overhead in GC. */
130	STAMPROFILEADV ProfReadGC;
131	/** Profiling write handler overhead in GC. */
132	STAMPROFILEADV ProfWriteGC;
133	/** Number of reads to this address from R0 which was serviced in R3. */
134	STAMCOUNTER ReadR0ToR3;
135	/** Number of writes to this address from R0 which was serviced in R3. */
136	STAMCOUNTER WriteR0ToR3;
137	/** Number of reads to this address from GC which was serviced in R3. */
138	STAMCOUNTER ReadGCToR3;
139	/** Number of writes to this address from GC which was serviced in R3. */
140	STAMCOUNTER WriteGCToR3;
141	} IOMMMIOSTATS;
142	/** Pointer to I/O port statistics. */
143	typedef IOMMMIOSTATS *PIOMMMIOSTATS;
144
145
146	/**
147	* I/O port range descriptor, R3 version.
148	*/
149	typedef struct IOMIOPORTRANGER3
150	{
151	/** Avl node core with Port as Key and Port + cPorts - 1 as KeyLast. */
152	AVLROIOPORTNODECORE Core;
153	#if HC_ARCH_BITS == 64 && !defined(RT_OS_WINDOWS)
154	uint32_t u32Alignment; /*< The sizeof(Core) differs. /
155	#endif
156	/** Start I/O port address. */
157	RTIOPORT Port;
158	/** Size of the range. */
159	uint16_t cPorts;
160	/** Pointer to user argument. */
161	RTR3PTR pvUser;
162	/** Pointer to the associated device instance. */
163	R3PTRTYPE(PPDMDEVINS) pDevIns;
164	/** Pointer to OUT callback function. */
165	R3PTRTYPE(PFNIOMIOPORTOUT) pfnOutCallback;
166	/** Pointer to IN callback function. */
167	R3PTRTYPE(PFNIOMIOPORTIN) pfnInCallback;
168	/** Pointer to string OUT callback function. */
169	R3PTRTYPE(PFNIOMIOPORTOUTSTRING) pfnOutStrCallback;
170	/** Pointer to string IN callback function. */
171	R3PTRTYPE(PFNIOMIOPORTINSTRING) pfnInStrCallback;
172	/** Description / Name. For easing debugging. */
173	R3PTRTYPE(const char *) pszDesc;
174	} IOMIOPORTRANGER3;
175	/** Pointer to I/O port range descriptor, R3 version. */
176	typedef IOMIOPORTRANGER3 *PIOMIOPORTRANGER3;
177
178	/**
179	* I/O port range descriptor, R0 version.
180	*/
181	typedef struct IOMIOPORTRANGER0
182	{
183	/** Avl node core with Port as Key and Port + cPorts - 1 as KeyLast. */
184	AVLROIOPORTNODECORE Core;
185	#if HC_ARCH_BITS == 64 && !defined(RT_OS_WINDOWS)
186	uint32_t u32Alignment; /*< The sizeof(Core) differs. /
187	#endif
188	/** Start I/O port address. */
189	RTIOPORT Port;
190	/** Size of the range. */
191	uint16_t cPorts;
192	/** Pointer to user argument. */
193	RTR0PTR pvUser;
194	/** Pointer to the associated device instance. */
195	R0PTRTYPE(PPDMDEVINS) pDevIns;
196	/** Pointer to OUT callback function. */
197	R0PTRTYPE(PFNIOMIOPORTOUT) pfnOutCallback;
198	/** Pointer to IN callback function. */
199	R0PTRTYPE(PFNIOMIOPORTIN) pfnInCallback;
200	/** Pointer to string OUT callback function. */
201	R0PTRTYPE(PFNIOMIOPORTOUTSTRING) pfnOutStrCallback;
202	/** Pointer to string IN callback function. */
203	R0PTRTYPE(PFNIOMIOPORTINSTRING) pfnInStrCallback;
204	/** Description / Name. For easing debugging. */
205	R3PTRTYPE(const char *) pszDesc;
206	} IOMIOPORTRANGER0;
207	/** Pointer to I/O port range descriptor, R0 version. */
208	typedef IOMIOPORTRANGER0 *PIOMIOPORTRANGER0;
209
210	/**
211	* I/O port range descriptor.
212	*/
213	typedef struct IOMIOPORTRANGEGC
214	{
215	/** Avl node core with Port as Key and Port + cPorts - 1 as KeyLast. */
216	AVLROIOPORTNODECORE Core;
217	/** Start I/O port address. */
218	RTIOPORT Port;
219	/** Size of the range. */
220	uint16_t cPorts;
221	/** Pointer to user argument. */
222	RCPTRTYPE(void *) pvUser;
223	/** Pointer to the associated device instance. */
224	RCPTRTYPE(PPDMDEVINS) pDevIns;
225	/** Pointer to OUT callback function. */
226	RCPTRTYPE(PFNIOMIOPORTOUT) pfnOutCallback;
227	/** Pointer to IN callback function. */
228	RCPTRTYPE(PFNIOMIOPORTIN) pfnInCallback;
229	/** Pointer to string OUT callback function. */
230	RCPTRTYPE(PFNIOMIOPORTOUTSTRING) pfnOutStrCallback;
231	/** Pointer to string IN callback function. */
232	RCPTRTYPE(PFNIOMIOPORTINSTRING) pfnInStrCallback;
233	#if HC_ARCH_BITS == 64
234	RTRCPTR GCPtrAlignment; /*< pszDesc is 8 byte aligned. /
235	#endif
236	/** Description / Name. For easing debugging. */
237	R3PTRTYPE(const char *) pszDesc;
238	} IOMIOPORTRANGEGC;
239	/** Pointer to I/O port range descriptor, GC version. */
240	typedef IOMIOPORTRANGEGC *PIOMIOPORTRANGEGC;
241
242
243	/**
244	* I/O port statistics. (one I/O port)
245	*
246	* This is a simple way of making on demand statistics, however it's a
247	* bit free with the hypervisor heap memory..
248	*/
249	typedef struct IOMIOPORTSTATS
250	{
251	/** Avl node core with the port as Key. */
252	AVLOIOPORTNODECORE Core;
253	#if HC_ARCH_BITS == 64 && !defined(RT_OS_WINDOWS)
254	uint32_t u32Alignment; /*< The sizeof(Core) differs. /
255	#endif
256	/** Number of INs to this port from R3. */
257	STAMCOUNTER InR3;
258	/** Number of OUTs to this port from R3. */
259	STAMCOUNTER OutR3;
260	/** Number of INs to this port from R0. */
261	STAMCOUNTER InR0;
262	/** Number of OUTs to this port from R0. */
263	STAMCOUNTER OutR0;
264	/** Number of INs to this port from GC. */
265	STAMCOUNTER InGC;
266	/** Number of OUTs to this port from GC. */
267	STAMCOUNTER OutGC;
268	/** Profiling IN handler overhead in R3. */
269	STAMPROFILEADV ProfInR3;
270	/** Profiling OUT handler overhead in R3. */
271	STAMPROFILEADV ProfOutR3;
272	/** Profiling IN handler overhead in R0. */
273	STAMPROFILEADV ProfInR0;
274	/** Profiling OUT handler overhead in R0. */
275	STAMPROFILEADV ProfOutR0;
276	/** Profiling IN handler overhead in GC. */
277	STAMPROFILEADV ProfInGC;
278	/** Profiling OUT handler overhead in GC. */
279	STAMPROFILEADV ProfOutGC;
280	/** Number of INs to this port from R0 which was serviced in R3. */
281	STAMCOUNTER InR0ToR3;
282	/** Number of OUTs to this port from R0 which was serviced in R3. */
283	STAMCOUNTER OutR0ToR3;
284	/** Number of INs to this port from GC which was serviced in R3. */
285	STAMCOUNTER InGCToR3;
286	/** Number of OUTs to this port from GC which was serviced in R3. */
287	STAMCOUNTER OutGCToR3;
288	} IOMIOPORTSTATS;
289	/** Pointer to I/O port statistics. */
290	typedef IOMIOPORTSTATS *PIOMIOPORTSTATS;
291
292
293	/**
294	* The IOM trees.
295	* These are offset based the nodes and root must be in the same
296	* memory block in HC. The locations of IOM structure and the hypervisor heap
297	* are quite different in HC and GC.
298	*/
299	typedef struct IOMTREES
300	{
301	/** Tree containing I/O port range descriptors registered for HC (IOMIOPORTRANGEHC). */
302	AVLROIOPORTTREE IOPortTreeR3;
303	/** Tree containing I/O port range descriptors registered for R0 (IOMIOPORTRANGER0). */
304	AVLROIOPORTTREE IOPortTreeR0;
305	/** Tree containing I/O port range descriptors registered for GC (IOMIOPORTRANGEGC). */
306	AVLROIOPORTTREE IOPortTreeGC;
307
308	/** Tree containing the MMIO range descriptors (IOMMMIORANGE). */
309	AVLROGCPHYSTREE MMIOTree;
310
311	/** Tree containing I/O port statistics (IOMIOPORTSTATS). */
312	AVLOIOPORTTREE IOPortStatTree;
313	/** Tree containing MMIO statistics (IOMMMIOSTATS). */
314	AVLOGCPHYSTREE MMIOStatTree;
315	} IOMTREES;
316	/** Pointer to the IOM trees. */
317	typedef IOMTREES *PIOMTREES;
318
319
320	/**
321	* Converts an IOM pointer into a VM pointer.
322	* @returns Pointer to the VM structure the PGM is part of.
323	* @param pIOM Pointer to IOM instance data.
324	*/
325	#define IOM2VM(pIOM) ( (PVM)((char*)pIOM - pIOM->offVM) )
326
327	/**
328	* IOM Data (part of VM)
329	*/
330	typedef struct IOM
331	{
332	/** Offset to the VM structure. */
333	RTINT offVM;
334
335	/** Pointer to the trees - GC ptr. */
336	RCPTRTYPE(PIOMTREES) pTreesGC;
337	/** Pointer to the trees - HC ptr. */
338	R3R0PTRTYPE(PIOMTREES) pTreesHC;
339
340	/** The ring-0 address of IOMMMIOHandler. */
341	R0PTRTYPE(PFNPGMR0PHYSHANDLER) pfnMMIOHandlerR0;
342	/** The GC address of IOMMMIOHandler. */
343	RCPTRTYPE(PFNPGMGCPHYSHANDLER) pfnMMIOHandlerGC;
344	#if GC_ARCH_BITS == 64
345	RTRCPTR padding;
346	#endif
347	RTGCPTR Alignment;
348
349	/** @name Caching of I/O Port and MMIO ranges and statistics.
350	* (Saves quite some time in rep outs/ins instruction emulation.)
351	* @{ */
352	R3PTRTYPE(PIOMIOPORTRANGER3) pRangeLastReadR3;
353	R3PTRTYPE(PIOMIOPORTRANGER3) pRangeLastWriteR3;
354	R3PTRTYPE(PIOMIOPORTSTATS) pStatsLastReadR3;
355	R3PTRTYPE(PIOMIOPORTSTATS) pStatsLastWriteR3;
356	R3PTRTYPE(PIOMMMIORANGE) pMMIORangeLastR3;
357	R3PTRTYPE(PIOMMMIOSTATS) pMMIOStatsLastR3;
358
359	R0PTRTYPE(PIOMIOPORTRANGER0) pRangeLastReadR0;
360	R0PTRTYPE(PIOMIOPORTRANGER0) pRangeLastWriteR0;
361	R0PTRTYPE(PIOMIOPORTSTATS) pStatsLastReadR0;
362	R0PTRTYPE(PIOMIOPORTSTATS) pStatsLastWriteR0;
363	R0PTRTYPE(PIOMMMIORANGE) pMMIORangeLastR0;
364	R0PTRTYPE(PIOMMMIOSTATS) pMMIOStatsLastR0;
365
366	RCPTRTYPE(PIOMIOPORTRANGEGC) pRangeLastReadGC;
367	RCPTRTYPE(PIOMIOPORTRANGEGC) pRangeLastWriteGC;
368	RCPTRTYPE(PIOMIOPORTSTATS) pStatsLastReadGC;
369	RCPTRTYPE(PIOMIOPORTSTATS) pStatsLastWriteGC;
370	RCPTRTYPE(PIOMMMIORANGE) pMMIORangeLastGC;
371	RCPTRTYPE(PIOMMMIOSTATS) pMMIOStatsLastGC;
372	/** @} */
373
374	/** @name I/O Port statistics.
375	* @{ */
376	STAMPROFILE StatGCIOPortHandler;
377
378	STAMCOUNTER StatGCInstIn;
379	STAMCOUNTER StatGCInstOut;
380	STAMCOUNTER StatGCInstIns;
381	STAMCOUNTER StatGCInstOuts;
382	/** @} */
383
384	/** @name MMIO statistics.
385	* @{ */
386	STAMPROFILE StatGCMMIOHandler;
387	STAMCOUNTER StatGCMMIOFailures;
388
389	STAMPROFILE StatGCInstMov;
390	STAMPROFILE StatGCInstCmp;
391	STAMPROFILE StatGCInstAnd;
392	STAMPROFILE StatGCInstOr;
393	STAMPROFILE StatGCInstXor;
394	STAMPROFILE StatGCInstBt;
395	STAMPROFILE StatGCInstTest;
396	STAMPROFILE StatGCInstXchg;
397	STAMPROFILE StatGCInstStos;
398	STAMPROFILE StatGCInstLods;
399	STAMPROFILE StatGCInstMovs;
400	STAMPROFILE StatGCInstMovsToMMIO;
401	STAMPROFILE StatGCInstMovsFromMMIO;
402	STAMPROFILE StatGCInstMovsMMIO;
403	STAMCOUNTER StatGCInstOther;
404
405	STAMCOUNTER StatGCMMIO1Byte;
406	STAMCOUNTER StatGCMMIO2Bytes;
407	STAMCOUNTER StatGCMMIO4Bytes;
408	STAMCOUNTER StatGCMMIO8Bytes;
409
410	RTUINT cMovsMaxBytes;
411	RTUINT cStosMaxBytes;
412	/** @} */
413
414	} IOM;
415	/** Pointer to IOM instance data. */
416	typedef IOM *PIOM;
417
418
419	__BEGIN_DECLS
420
421	#ifdef IN_IOM_R3
422	PIOMIOPORTSTATS iomr3IOPortStatsCreate(PVM pVM, RTIOPORT Port, const char *pszDesc);
423	PIOMMMIOSTATS iomR3MMIOStatsCreate(PVM pVM, RTGCPHYS GCPhys, const char *pszDesc);
424	#endif /* IN_IOM_R3 */
425
426	/**
427	* \#PF Handler callback for MMIO ranges.
428	*
429	* @returns VBox status code (appropriate for GC return).
430	*
431	* @param pVM VM Handle.
432	* @param uErrorCode CPU Error code.
433	* @param pRegFrame Trap register frame.
434	* @param pvFault The fault address (cr2).
435	* @param GCPhysFault The GC physical address corresponding to pvFault.
436	* @param pvUser Pointer to the MMIO range entry.
437	*/
438	IOMDECL(int) IOMMMIOHandler(PVM pVM, RTGCUINT uErrorCode, PCPUMCTXCORE pRegFrame, RTGCPTR pvFault, RTGCPHYS GCPhysFault, void *pvUser);
439
440	#ifdef IN_RING3
441	/**
442	* \#PF Handler callback for MMIO ranges.
443	*
444	* @returns VINF_SUCCESS if the handler have carried out the operation.
445	* @returns VINF_PGM_HANDLER_DO_DEFAULT if the caller should carry out the access operation.
446	* @param pVM VM Handle.
447	* @param GCPhys The physical address the guest is writing to.
448	* @param pvPhys The HC mapping of that address.
449	* @param pvBuf What the guest is reading/writing.
450	* @param cbBuf How much it's reading/writing.
451	* @param enmAccessType The access type.
452	* @param pvUser Pointer to the MMIO range entry.
453	*/
454	DECLCALLBACK(int) IOMR3MMIOHandler(PVM pVM, RTGCPHYS GCPhys, void pvPhys, void pvBuf, size_t cbBuf, PGMACCESSTYPE enmAccessType, void *pvUser);
455	#endif
456
457	/**
458	* Gets the I/O port range for the specified I/O port in the current context.
459	*
460	* @returns Pointer to I/O port range.
461	* @returns NULL if no port registered.
462	*
463	* @param pIOM IOM instance data.
464	* @param Port Port to lookup.
465	*/
466	DECLINLINE(CTXALLSUFF(PIOMIOPORTRANGE)) iomIOPortGetRange(PIOM pIOM, RTIOPORT Port)
467	{
468	CTXALLSUFF(PIOMIOPORTRANGE) pRange = (CTXALLSUFF(PIOMIOPORTRANGE))RTAvlroIOPortRangeGet(&pIOM->CTXSUFF(pTrees)->CTXALLSUFF(IOPortTree), Port);
469	return pRange;
470	}
471
472	/**
473	* Gets the I/O port range for the specified I/O port in the HC.
474	*
475	* @returns Pointer to I/O port range.
476	* @returns NULL if no port registered.
477	*
478	* @param pIOM IOM instance data.
479	* @param Port Port to lookup.
480	*/
481	DECLINLINE(PIOMIOPORTRANGER3) iomIOPortGetRangeHC(PIOM pIOM, RTIOPORT Port)
482	{
483	PIOMIOPORTRANGER3 pRange = (PIOMIOPORTRANGER3)RTAvlroIOPortRangeGet(&pIOM->CTXSUFF(pTrees)->IOPortTreeR3, Port);
484	return pRange;
485	}
486
487
488	/**
489	* Gets the MMIO range for the specified physical address in the current context.
490	*
491	* @returns Pointer to MMIO range.
492	* @returns NULL if address not in a MMIO range.
493	*
494	* @param pIOM IOM instance data.
495	* @param GCPhys Physical address to lookup.
496	*/
497	DECLINLINE(PIOMMMIORANGE) iomMMIOGetRange(PIOM pIOM, RTGCPHYS GCPhys)
498	{
499	PIOMMMIORANGE pRange = CTXALLSUFF(pIOM->pMMIORangeLast);
500	if ( !pRange
501	\|\| GCPhys - pRange->GCPhys >= pRange->cb)
502	CTXALLSUFF(pIOM->pMMIORangeLast) = pRange = (PIOMMMIORANGE)RTAvlroGCPhysRangeGet(&pIOM->CTXSUFF(pTrees)->MMIOTree, GCPhys);
503	return pRange;
504	}
505
506
507	#ifdef VBOX_WITH_STATISTICS
508	/**
509	* Gets the MMIO statistics record.
510	*
511	* In ring-3 this will lazily create missing records, while in GC/R0 the caller has to
512	* return the appropriate status to defer the operation to ring-3.
513	*
514	* @returns Pointer to MMIO stats.
515	* @returns NULL if not found (R0/GC), or out of memory (R3).
516	*
517	* @param pIOM IOM instance data.
518	* @param GCPhys Physical address to lookup.
519	* @param pRange The MMIO range.
520	*/
521	DECLINLINE(PIOMMMIOSTATS) iomMMIOGetStats(PIOM pIOM, RTGCPHYS GCPhys, PIOMMMIORANGE pRange)
522	{
523	/* For large ranges, we'll put everything on the first byte. */
524	if (pRange->cb > PAGE_SIZE)
525	GCPhys = pRange->GCPhys;
526
527	PIOMMMIOSTATS pStats = CTXALLSUFF(pIOM->pMMIOStatsLast);
528	if ( !pStats
529	\|\| pStats->Core.Key != GCPhys)
530	{
531	pStats = (PIOMMMIOSTATS)RTAvloGCPhysGet(&pIOM->CTXSUFF(pTrees)->MMIOStatTree, GCPhys);
532	# ifdef IN_RING3
533	if (!pStats)
534	pStats = iomR3MMIOStatsCreate(IOM2VM(pIOM), GCPhys, pRange->pszDesc);
535	# endif
536	}
537	return pStats;
538	}
539	#endif
540
541	/* Disassembly helpers used in IOMAll.cpp & IOMAllMMIO.cpp */
542	bool iomGetRegImmData(PDISCPUSTATE pCpu, PCOP_PARAMETER pParam, PCPUMCTXCORE pRegFrame, uint64_t pu64Data, unsigned pcbSize);
543	bool iomSaveDataToReg(PDISCPUSTATE pCpu, PCOP_PARAMETER pParam, PCPUMCTXCORE pRegFrame, uint64_t u32Data);
544
545	__END_DECLS
546
547
548	#ifdef IN_RING3
549
550	#endif
551
552	/** @} */
553
554	#endif /* ___IOMInternal_h */

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