VirtualBox

source: vbox/trunk/src/VBox/VMM/IOMInternal.h@ 12559

Last change on this file since 12559 was 12545, checked in by vboxsync, 16 years ago

Updates for per-cpu MMIO range registration. (APIC)

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File size: 19.9 KB
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1/* $Id: IOMInternal.h 12545 2008-09-17 15:11:37Z 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 */
47typedef 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 /** MMIO registration context; CPU id or MMIO_REGCTX_GLOBAL if it's a global registration (applies to all CPUs). */
56 MMIO_REGISTRATION_CTX enmCtx;
57
58 /** Pointer to write callback function. */
59 R3PTRTYPE(PFNIOMMMIOWRITE) pfnWriteCallbackR3;
60 /** Pointer to read callback function. */
61 R3PTRTYPE(PFNIOMMMIOREAD) pfnReadCallbackR3;
62 /** Pointer to fill (memset) callback function. */
63 R3PTRTYPE(PFNIOMMMIOFILL) pfnFillCallbackR3;
64
65 /** Pointer to write callback function. */
66 R0PTRTYPE(PFNIOMMMIOWRITE) pfnWriteCallbackR0;
67 /** Pointer to read callback function. */
68 R0PTRTYPE(PFNIOMMMIOREAD) pfnReadCallbackR0;
69 /** Pointer to fill (memset) callback function. */
70 R0PTRTYPE(PFNIOMMMIOFILL) pfnFillCallbackR0;
71
72 /** Pointer to write callback function. */
73 RCPTRTYPE(PFNIOMMMIOWRITE) pfnWriteCallbackGC;
74 /** Pointer to read callback function. */
75 RCPTRTYPE(PFNIOMMMIOREAD) pfnReadCallbackGC;
76 /** Pointer to fill (memset) callback function. */
77 RCPTRTYPE(PFNIOMMMIOFILL) pfnFillCallbackGC;
78 /** Alignment padding. */
79 RTRCPTR GCPtrAlignment;
80
81 /** Description / Name. For easing debugging. */
82 R3PTRTYPE(const char *) pszDesc;
83
84 struct
85 {
86 /** Pointer to user argument. */
87 RTR3PTR pvUserR3;
88 /** Pointer to device instance. */
89 PPDMDEVINSR3 pDevInsR3;
90 /** Pointer to user argument. */
91 RTR0PTR pvUserR0;
92 /** Pointer to device instance. */
93 PPDMDEVINSR0 pDevInsR0;
94 /** Pointer to user argument. */
95 RCPTRTYPE(void *) pvUserGC;
96 /** Pointer to device instance. */
97 PPDMDEVINSRC pDevInsGC;
98 } u[1];
99} IOMMMIORANGE;
100/** Pointer to a MMIO range descriptor, R3 version. */
101typedef struct IOMMMIORANGE *PIOMMMIORANGE;
102
103
104/**
105 * MMIO address statistics. (one address)
106 *
107 * This is a simple way of making on demand statistics, however it's a
108 * bit free with the hypervisor heap memory..
109 */
110typedef struct IOMMMIOSTATS
111{
112 /** Avl node core with the address as Key. */
113 AVLOGCPHYSNODECORE Core;
114 /** Number of reads to this address from R3. */
115 STAMCOUNTER ReadR3;
116 /** Number of writes to this address from R3. */
117 STAMCOUNTER WriteR3;
118 /** Number of reads to this address from R0. */
119 STAMCOUNTER ReadR0;
120 /** Number of writes to this address from R0. */
121 STAMCOUNTER WriteR0;
122 /** Number of reads to this address from GC. */
123 STAMCOUNTER ReadGC;
124 /** Number of writes to this address from GC. */
125 STAMCOUNTER WriteGC;
126 /** Profiling read handler overhead in R3. */
127 STAMPROFILEADV ProfReadR3;
128 /** Profiling write handler overhead in R3. */
129 STAMPROFILEADV ProfWriteR3;
130 /** Profiling read handler overhead in R0. */
131 STAMPROFILEADV ProfReadR0;
132 /** Profiling write handler overhead in R0. */
133 STAMPROFILEADV ProfWriteR0;
134 /** Profiling read handler overhead in GC. */
135 STAMPROFILEADV ProfReadGC;
136 /** Profiling write handler overhead in GC. */
137 STAMPROFILEADV ProfWriteGC;
138 /** Number of reads to this address from R0 which was serviced in R3. */
139 STAMCOUNTER ReadR0ToR3;
140 /** Number of writes to this address from R0 which was serviced in R3. */
141 STAMCOUNTER WriteR0ToR3;
142 /** Number of reads to this address from GC which was serviced in R3. */
143 STAMCOUNTER ReadGCToR3;
144 /** Number of writes to this address from GC which was serviced in R3. */
145 STAMCOUNTER WriteGCToR3;
146} IOMMMIOSTATS;
147/** Pointer to I/O port statistics. */
148typedef IOMMMIOSTATS *PIOMMMIOSTATS;
149
150
151/**
152 * I/O port range descriptor, R3 version.
153 */
154typedef struct IOMIOPORTRANGER3
155{
156 /** Avl node core with Port as Key and Port + cPorts - 1 as KeyLast. */
157 AVLROIOPORTNODECORE Core;
158#if HC_ARCH_BITS == 64 && !defined(RT_OS_WINDOWS)
159 uint32_t u32Alignment; /**< The sizeof(Core) differs. */
160#endif
161 /** Start I/O port address. */
162 RTIOPORT Port;
163 /** Size of the range. */
164 uint16_t cPorts;
165 /** Pointer to user argument. */
166 RTR3PTR pvUser;
167 /** Pointer to the associated device instance. */
168 R3PTRTYPE(PPDMDEVINS) pDevIns;
169 /** Pointer to OUT callback function. */
170 R3PTRTYPE(PFNIOMIOPORTOUT) pfnOutCallback;
171 /** Pointer to IN callback function. */
172 R3PTRTYPE(PFNIOMIOPORTIN) pfnInCallback;
173 /** Pointer to string OUT callback function. */
174 R3PTRTYPE(PFNIOMIOPORTOUTSTRING) pfnOutStrCallback;
175 /** Pointer to string IN callback function. */
176 R3PTRTYPE(PFNIOMIOPORTINSTRING) pfnInStrCallback;
177 /** Description / Name. For easing debugging. */
178 R3PTRTYPE(const char *) pszDesc;
179} IOMIOPORTRANGER3;
180/** Pointer to I/O port range descriptor, R3 version. */
181typedef IOMIOPORTRANGER3 *PIOMIOPORTRANGER3;
182
183/**
184 * I/O port range descriptor, R0 version.
185 */
186typedef struct IOMIOPORTRANGER0
187{
188 /** Avl node core with Port as Key and Port + cPorts - 1 as KeyLast. */
189 AVLROIOPORTNODECORE Core;
190#if HC_ARCH_BITS == 64 && !defined(RT_OS_WINDOWS)
191 uint32_t u32Alignment; /**< The sizeof(Core) differs. */
192#endif
193 /** Start I/O port address. */
194 RTIOPORT Port;
195 /** Size of the range. */
196 uint16_t cPorts;
197 /** Pointer to user argument. */
198 RTR0PTR pvUser;
199 /** Pointer to the associated device instance. */
200 R0PTRTYPE(PPDMDEVINS) pDevIns;
201 /** Pointer to OUT callback function. */
202 R0PTRTYPE(PFNIOMIOPORTOUT) pfnOutCallback;
203 /** Pointer to IN callback function. */
204 R0PTRTYPE(PFNIOMIOPORTIN) pfnInCallback;
205 /** Pointer to string OUT callback function. */
206 R0PTRTYPE(PFNIOMIOPORTOUTSTRING) pfnOutStrCallback;
207 /** Pointer to string IN callback function. */
208 R0PTRTYPE(PFNIOMIOPORTINSTRING) pfnInStrCallback;
209 /** Description / Name. For easing debugging. */
210 R3PTRTYPE(const char *) pszDesc;
211} IOMIOPORTRANGER0;
212/** Pointer to I/O port range descriptor, R0 version. */
213typedef IOMIOPORTRANGER0 *PIOMIOPORTRANGER0;
214
215/**
216 * I/O port range descriptor.
217 */
218typedef struct IOMIOPORTRANGEGC
219{
220 /** Avl node core with Port as Key and Port + cPorts - 1 as KeyLast. */
221 AVLROIOPORTNODECORE Core;
222 /** Start I/O port address. */
223 RTIOPORT Port;
224 /** Size of the range. */
225 uint16_t cPorts;
226 /** Pointer to user argument. */
227 RCPTRTYPE(void *) pvUser;
228 /** Pointer to the associated device instance. */
229 RCPTRTYPE(PPDMDEVINS) pDevIns;
230 /** Pointer to OUT callback function. */
231 RCPTRTYPE(PFNIOMIOPORTOUT) pfnOutCallback;
232 /** Pointer to IN callback function. */
233 RCPTRTYPE(PFNIOMIOPORTIN) pfnInCallback;
234 /** Pointer to string OUT callback function. */
235 RCPTRTYPE(PFNIOMIOPORTOUTSTRING) pfnOutStrCallback;
236 /** Pointer to string IN callback function. */
237 RCPTRTYPE(PFNIOMIOPORTINSTRING) pfnInStrCallback;
238#if HC_ARCH_BITS == 64
239 RTRCPTR GCPtrAlignment; /**< pszDesc is 8 byte aligned. */
240#endif
241 /** Description / Name. For easing debugging. */
242 R3PTRTYPE(const char *) pszDesc;
243} IOMIOPORTRANGEGC;
244/** Pointer to I/O port range descriptor, GC version. */
245typedef IOMIOPORTRANGEGC *PIOMIOPORTRANGEGC;
246
247
248/**
249 * I/O port statistics. (one I/O port)
250 *
251 * This is a simple way of making on demand statistics, however it's a
252 * bit free with the hypervisor heap memory..
253 */
254typedef struct IOMIOPORTSTATS
255{
256 /** Avl node core with the port as Key. */
257 AVLOIOPORTNODECORE Core;
258#if HC_ARCH_BITS == 64 && !defined(RT_OS_WINDOWS)
259 uint32_t u32Alignment; /**< The sizeof(Core) differs. */
260#endif
261 /** Number of INs to this port from R3. */
262 STAMCOUNTER InR3;
263 /** Number of OUTs to this port from R3. */
264 STAMCOUNTER OutR3;
265 /** Number of INs to this port from R0. */
266 STAMCOUNTER InR0;
267 /** Number of OUTs to this port from R0. */
268 STAMCOUNTER OutR0;
269 /** Number of INs to this port from GC. */
270 STAMCOUNTER InGC;
271 /** Number of OUTs to this port from GC. */
272 STAMCOUNTER OutGC;
273 /** Profiling IN handler overhead in R3. */
274 STAMPROFILEADV ProfInR3;
275 /** Profiling OUT handler overhead in R3. */
276 STAMPROFILEADV ProfOutR3;
277 /** Profiling IN handler overhead in R0. */
278 STAMPROFILEADV ProfInR0;
279 /** Profiling OUT handler overhead in R0. */
280 STAMPROFILEADV ProfOutR0;
281 /** Profiling IN handler overhead in GC. */
282 STAMPROFILEADV ProfInGC;
283 /** Profiling OUT handler overhead in GC. */
284 STAMPROFILEADV ProfOutGC;
285 /** Number of INs to this port from R0 which was serviced in R3. */
286 STAMCOUNTER InR0ToR3;
287 /** Number of OUTs to this port from R0 which was serviced in R3. */
288 STAMCOUNTER OutR0ToR3;
289 /** Number of INs to this port from GC which was serviced in R3. */
290 STAMCOUNTER InGCToR3;
291 /** Number of OUTs to this port from GC which was serviced in R3. */
292 STAMCOUNTER OutGCToR3;
293} IOMIOPORTSTATS;
294/** Pointer to I/O port statistics. */
295typedef IOMIOPORTSTATS *PIOMIOPORTSTATS;
296
297
298/**
299 * The IOM trees.
300 * These are offset based the nodes and root must be in the same
301 * memory block in HC. The locations of IOM structure and the hypervisor heap
302 * are quite different in HC and GC.
303 */
304typedef struct IOMTREES
305{
306 /** Tree containing I/O port range descriptors registered for HC (IOMIOPORTRANGEHC). */
307 AVLROIOPORTTREE IOPortTreeR3;
308 /** Tree containing I/O port range descriptors registered for R0 (IOMIOPORTRANGER0). */
309 AVLROIOPORTTREE IOPortTreeR0;
310 /** Tree containing I/O port range descriptors registered for GC (IOMIOPORTRANGEGC). */
311 AVLROIOPORTTREE IOPortTreeGC;
312
313 /** Tree containing the MMIO range descriptors (IOMMMIORANGE). */
314 AVLROGCPHYSTREE MMIOTree;
315
316 /** Tree containing I/O port statistics (IOMIOPORTSTATS). */
317 AVLOIOPORTTREE IOPortStatTree;
318 /** Tree containing MMIO statistics (IOMMMIOSTATS). */
319 AVLOGCPHYSTREE MMIOStatTree;
320} IOMTREES;
321/** Pointer to the IOM trees. */
322typedef IOMTREES *PIOMTREES;
323
324
325/**
326 * Converts an IOM pointer into a VM pointer.
327 * @returns Pointer to the VM structure the PGM is part of.
328 * @param pIOM Pointer to IOM instance data.
329 */
330#define IOM2VM(pIOM) ( (PVM)((char*)pIOM - pIOM->offVM) )
331
332/**
333 * IOM Data (part of VM)
334 */
335typedef struct IOM
336{
337 /** Offset to the VM structure. */
338 RTINT offVM;
339
340 /** Pointer to the trees - GC ptr. */
341 RCPTRTYPE(PIOMTREES) pTreesGC;
342 /** Pointer to the trees - HC ptr. */
343 R3R0PTRTYPE(PIOMTREES) pTreesHC;
344
345 /** The ring-0 address of IOMMMIOHandler. */
346 R0PTRTYPE(PFNPGMR0PHYSHANDLER) pfnMMIOHandlerR0;
347 /** The GC address of IOMMMIOHandler. */
348 RCPTRTYPE(PFNPGMGCPHYSHANDLER) pfnMMIOHandlerGC;
349#if GC_ARCH_BITS == 64
350 RTRCPTR padding;
351#endif
352 RTGCPTR Alignment;
353
354 /** @name Caching of I/O Port and MMIO ranges and statistics.
355 * (Saves quite some time in rep outs/ins instruction emulation.)
356 * @{ */
357 R3PTRTYPE(PIOMIOPORTRANGER3) pRangeLastReadR3;
358 R3PTRTYPE(PIOMIOPORTRANGER3) pRangeLastWriteR3;
359 R3PTRTYPE(PIOMIOPORTSTATS) pStatsLastReadR3;
360 R3PTRTYPE(PIOMIOPORTSTATS) pStatsLastWriteR3;
361 R3PTRTYPE(PIOMMMIORANGE) pMMIORangeLastR3;
362 R3PTRTYPE(PIOMMMIOSTATS) pMMIOStatsLastR3;
363
364 R0PTRTYPE(PIOMIOPORTRANGER0) pRangeLastReadR0;
365 R0PTRTYPE(PIOMIOPORTRANGER0) pRangeLastWriteR0;
366 R0PTRTYPE(PIOMIOPORTSTATS) pStatsLastReadR0;
367 R0PTRTYPE(PIOMIOPORTSTATS) pStatsLastWriteR0;
368 R0PTRTYPE(PIOMMMIORANGE) pMMIORangeLastR0;
369 R0PTRTYPE(PIOMMMIOSTATS) pMMIOStatsLastR0;
370
371 RCPTRTYPE(PIOMIOPORTRANGEGC) pRangeLastReadGC;
372 RCPTRTYPE(PIOMIOPORTRANGEGC) pRangeLastWriteGC;
373 RCPTRTYPE(PIOMIOPORTSTATS) pStatsLastReadGC;
374 RCPTRTYPE(PIOMIOPORTSTATS) pStatsLastWriteGC;
375 RCPTRTYPE(PIOMMMIORANGE) pMMIORangeLastGC;
376 RCPTRTYPE(PIOMMMIOSTATS) pMMIOStatsLastGC;
377 /** @} */
378
379 /** @name I/O Port statistics.
380 * @{ */
381 STAMPROFILE StatGCIOPortHandler;
382
383 STAMCOUNTER StatGCInstIn;
384 STAMCOUNTER StatGCInstOut;
385 STAMCOUNTER StatGCInstIns;
386 STAMCOUNTER StatGCInstOuts;
387 /** @} */
388
389 /** @name MMIO statistics.
390 * @{ */
391 STAMPROFILE StatGCMMIOHandler;
392 STAMCOUNTER StatGCMMIOFailures;
393
394 STAMPROFILE StatGCInstMov;
395 STAMPROFILE StatGCInstCmp;
396 STAMPROFILE StatGCInstAnd;
397 STAMPROFILE StatGCInstOr;
398 STAMPROFILE StatGCInstXor;
399 STAMPROFILE StatGCInstBt;
400 STAMPROFILE StatGCInstTest;
401 STAMPROFILE StatGCInstXchg;
402 STAMPROFILE StatGCInstStos;
403 STAMPROFILE StatGCInstLods;
404 STAMPROFILE StatGCInstMovs;
405 STAMPROFILE StatGCInstMovsToMMIO;
406 STAMPROFILE StatGCInstMovsFromMMIO;
407 STAMPROFILE StatGCInstMovsMMIO;
408 STAMCOUNTER StatGCInstOther;
409
410 STAMCOUNTER StatGCMMIO1Byte;
411 STAMCOUNTER StatGCMMIO2Bytes;
412 STAMCOUNTER StatGCMMIO4Bytes;
413 STAMCOUNTER StatGCMMIO8Bytes;
414
415 RTUINT cMovsMaxBytes;
416 RTUINT cStosMaxBytes;
417 /** @} */
418
419} IOM;
420/** Pointer to IOM instance data. */
421typedef IOM *PIOM;
422
423
424__BEGIN_DECLS
425
426#ifdef IN_IOM_R3
427PIOMIOPORTSTATS iomr3IOPortStatsCreate(PVM pVM, RTIOPORT Port, const char *pszDesc);
428PIOMMMIOSTATS iomR3MMIOStatsCreate(PVM pVM, RTGCPHYS GCPhys, const char *pszDesc);
429#endif /* IN_IOM_R3 */
430
431/**
432 * \#PF Handler callback for MMIO ranges.
433 *
434 * @returns VBox status code (appropriate for GC return).
435 *
436 * @param pVM VM Handle.
437 * @param uErrorCode CPU Error code.
438 * @param pRegFrame Trap register frame.
439 * @param pvFault The fault address (cr2).
440 * @param GCPhysFault The GC physical address corresponding to pvFault.
441 * @param pvUser Pointer to the MMIO range entry.
442 */
443IOMDECL(int) IOMMMIOHandler(PVM pVM, RTGCUINT uErrorCode, PCPUMCTXCORE pRegFrame, RTGCPTR pvFault, RTGCPHYS GCPhysFault, void *pvUser);
444
445#ifdef IN_RING3
446/**
447 * \#PF Handler callback for MMIO ranges.
448 *
449 * @returns VINF_SUCCESS if the handler have carried out the operation.
450 * @returns VINF_PGM_HANDLER_DO_DEFAULT if the caller should carry out the access operation.
451 * @param pVM VM Handle.
452 * @param GCPhys The physical address the guest is writing to.
453 * @param pvPhys The HC mapping of that address.
454 * @param pvBuf What the guest is reading/writing.
455 * @param cbBuf How much it's reading/writing.
456 * @param enmAccessType The access type.
457 * @param pvUser Pointer to the MMIO range entry.
458 */
459DECLCALLBACK(int) IOMR3MMIOHandler(PVM pVM, RTGCPHYS GCPhys, void *pvPhys, void *pvBuf, size_t cbBuf, PGMACCESSTYPE enmAccessType, void *pvUser);
460#endif
461
462/**
463 * Gets the I/O port range for the specified I/O port in the current context.
464 *
465 * @returns Pointer to I/O port range.
466 * @returns NULL if no port registered.
467 *
468 * @param pIOM IOM instance data.
469 * @param Port Port to lookup.
470 */
471DECLINLINE(CTXALLSUFF(PIOMIOPORTRANGE)) iomIOPortGetRange(PIOM pIOM, RTIOPORT Port)
472{
473 CTXALLSUFF(PIOMIOPORTRANGE) pRange = (CTXALLSUFF(PIOMIOPORTRANGE))RTAvlroIOPortRangeGet(&pIOM->CTXSUFF(pTrees)->CTXALLSUFF(IOPortTree), Port);
474 return pRange;
475}
476
477/**
478 * Gets the I/O port range for the specified I/O port in the HC.
479 *
480 * @returns Pointer to I/O port range.
481 * @returns NULL if no port registered.
482 *
483 * @param pIOM IOM instance data.
484 * @param Port Port to lookup.
485 */
486DECLINLINE(PIOMIOPORTRANGER3) iomIOPortGetRangeHC(PIOM pIOM, RTIOPORT Port)
487{
488 PIOMIOPORTRANGER3 pRange = (PIOMIOPORTRANGER3)RTAvlroIOPortRangeGet(&pIOM->CTXSUFF(pTrees)->IOPortTreeR3, Port);
489 return pRange;
490}
491
492
493/**
494 * Gets the MMIO range for the specified physical address in the current context.
495 *
496 * @returns Pointer to MMIO range.
497 * @returns NULL if address not in a MMIO range.
498 *
499 * @param pIOM IOM instance data.
500 * @param GCPhys Physical address to lookup.
501 */
502DECLINLINE(PIOMMMIORANGE) iomMMIOGetRange(PIOM pIOM, RTGCPHYS GCPhys)
503{
504 PIOMMMIORANGE pRange = CTXALLSUFF(pIOM->pMMIORangeLast);
505 if ( !pRange
506 || GCPhys - pRange->GCPhys >= pRange->cb)
507 CTXALLSUFF(pIOM->pMMIORangeLast) = pRange = (PIOMMMIORANGE)RTAvlroGCPhysRangeGet(&pIOM->CTXSUFF(pTrees)->MMIOTree, GCPhys);
508 return pRange;
509}
510
511
512#ifdef VBOX_WITH_STATISTICS
513/**
514 * Gets the MMIO statistics record.
515 *
516 * In ring-3 this will lazily create missing records, while in GC/R0 the caller has to
517 * return the appropriate status to defer the operation to ring-3.
518 *
519 * @returns Pointer to MMIO stats.
520 * @returns NULL if not found (R0/GC), or out of memory (R3).
521 *
522 * @param pIOM IOM instance data.
523 * @param GCPhys Physical address to lookup.
524 * @param pRange The MMIO range.
525 */
526DECLINLINE(PIOMMMIOSTATS) iomMMIOGetStats(PIOM pIOM, RTGCPHYS GCPhys, PIOMMMIORANGE pRange)
527{
528 /* For large ranges, we'll put everything on the first byte. */
529 if (pRange->cb > PAGE_SIZE)
530 GCPhys = pRange->GCPhys;
531
532 PIOMMMIOSTATS pStats = CTXALLSUFF(pIOM->pMMIOStatsLast);
533 if ( !pStats
534 || pStats->Core.Key != GCPhys)
535 {
536 pStats = (PIOMMMIOSTATS)RTAvloGCPhysGet(&pIOM->CTXSUFF(pTrees)->MMIOStatTree, GCPhys);
537# ifdef IN_RING3
538 if (!pStats)
539 pStats = iomR3MMIOStatsCreate(IOM2VM(pIOM), GCPhys, pRange->pszDesc);
540# endif
541 }
542 return pStats;
543}
544#endif
545
546/* Disassembly helpers used in IOMAll.cpp & IOMAllMMIO.cpp */
547bool iomGetRegImmData(PDISCPUSTATE pCpu, PCOP_PARAMETER pParam, PCPUMCTXCORE pRegFrame, uint64_t *pu64Data, unsigned *pcbSize);
548bool iomSaveDataToReg(PDISCPUSTATE pCpu, PCOP_PARAMETER pParam, PCPUMCTXCORE pRegFrame, uint64_t u32Data);
549
550__END_DECLS
551
552
553#ifdef IN_RING3
554
555#endif
556
557/** @} */
558
559#endif /* ___IOMInternal_h */
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