| 1 | /* $Id: PGMGC.cpp 4620 2007-09-08 00:39:30Z vboxsync $ */
|
|---|
| 2 | /** @file
|
|---|
| 3 | * PGM - Page Monitor, Guest Context.
|
|---|
| 4 | */
|
|---|
| 5 |
|
|---|
| 6 | /*
|
|---|
| 7 | * Copyright (C) 2006-2007 innotek GmbH
|
|---|
| 8 | *
|
|---|
| 9 | * This file is part of VirtualBox Open Source Edition (OSE), as
|
|---|
| 10 | * available from http://www.virtualbox.org. This file is free software;
|
|---|
| 11 | * you can redistribute it and/or modify it under the terms of the GNU
|
|---|
| 12 | * General Public License as published by the Free Software Foundation,
|
|---|
| 13 | * in version 2 as it comes in the "COPYING" file of the VirtualBox OSE
|
|---|
| 14 | * distribution. VirtualBox OSE is distributed in the hope that it will
|
|---|
| 15 | * be useful, but WITHOUT ANY WARRANTY of any kind.
|
|---|
| 16 | */
|
|---|
| 17 |
|
|---|
| 18 |
|
|---|
| 19 | /*******************************************************************************
|
|---|
| 20 | * Header Files *
|
|---|
| 21 | *******************************************************************************/
|
|---|
| 22 | #define LOG_GROUP LOG_GROUP_PGM
|
|---|
| 23 | #include <VBox/pgm.h>
|
|---|
| 24 | #include <VBox/cpum.h>
|
|---|
| 25 | #include <VBox/mm.h>
|
|---|
| 26 | #include <VBox/em.h>
|
|---|
| 27 | #include <VBox/selm.h>
|
|---|
| 28 | #include <VBox/iom.h>
|
|---|
| 29 | #include <VBox/trpm.h>
|
|---|
| 30 | #include <VBox/rem.h>
|
|---|
| 31 | #include "PGMInternal.h"
|
|---|
| 32 | #include <VBox/vm.h>
|
|---|
| 33 |
|
|---|
| 34 | #include <iprt/asm.h>
|
|---|
| 35 | #include <iprt/assert.h>
|
|---|
| 36 | #include <VBox/log.h>
|
|---|
| 37 | #include <VBox/param.h>
|
|---|
| 38 | #include <VBox/err.h>
|
|---|
| 39 | #include <VBox/dis.h>
|
|---|
| 40 | #include <VBox/disopcode.h>
|
|---|
| 41 |
|
|---|
| 42 |
|
|---|
| 43 |
|
|---|
| 44 | /*******************************************************************************
|
|---|
| 45 | * Internal Functions *
|
|---|
| 46 | *******************************************************************************/
|
|---|
| 47 |
|
|---|
| 48 |
|
|---|
| 49 |
|
|---|
| 50 | #ifndef RT_ARCH_AMD64
|
|---|
| 51 | /*
|
|---|
| 52 | * Shadow - 32-bit mode
|
|---|
| 53 | */
|
|---|
| 54 | #define PGM_SHW_TYPE PGM_TYPE_32BIT
|
|---|
| 55 | #define PGM_SHW_NAME(name) PGM_SHW_NAME_32BIT(name)
|
|---|
| 56 | #include "PGMGCShw.h"
|
|---|
| 57 |
|
|---|
| 58 | /* Guest - real mode */
|
|---|
| 59 | #define PGM_GST_TYPE PGM_TYPE_REAL
|
|---|
| 60 | #define PGM_GST_NAME(name) PGM_GST_NAME_REAL(name)
|
|---|
| 61 | #define PGM_BTH_NAME(name) PGM_BTH_NAME_32BIT_REAL(name)
|
|---|
| 62 | #include "PGMGCGst.h"
|
|---|
| 63 | #include "PGMGCBth.h"
|
|---|
| 64 | #undef PGM_BTH_NAME
|
|---|
| 65 | #undef PGM_GST_TYPE
|
|---|
| 66 | #undef PGM_GST_NAME
|
|---|
| 67 |
|
|---|
| 68 | /* Guest - protected mode */
|
|---|
| 69 | #define PGM_GST_TYPE PGM_TYPE_PROT
|
|---|
| 70 | #define PGM_GST_NAME(name) PGM_GST_NAME_PROT(name)
|
|---|
| 71 | #define PGM_BTH_NAME(name) PGM_BTH_NAME_32BIT_PROT(name)
|
|---|
| 72 | #include "PGMGCGst.h"
|
|---|
| 73 | #include "PGMGCBth.h"
|
|---|
| 74 | #undef PGM_BTH_NAME
|
|---|
| 75 | #undef PGM_GST_TYPE
|
|---|
| 76 | #undef PGM_GST_NAME
|
|---|
| 77 |
|
|---|
| 78 | /* Guest - 32-bit mode */
|
|---|
| 79 | #define PGM_GST_TYPE PGM_TYPE_32BIT
|
|---|
| 80 | #define PGM_GST_NAME(name) PGM_GST_NAME_32BIT(name)
|
|---|
| 81 | #define PGM_BTH_NAME(name) PGM_BTH_NAME_32BIT_32BIT(name)
|
|---|
| 82 | #include "PGMGCGst.h"
|
|---|
| 83 | #include "PGMGCBth.h"
|
|---|
| 84 | #undef PGM_BTH_NAME
|
|---|
| 85 | #undef PGM_GST_TYPE
|
|---|
| 86 | #undef PGM_GST_NAME
|
|---|
| 87 |
|
|---|
| 88 | #undef PGM_SHW_TYPE
|
|---|
| 89 | #undef PGM_SHW_NAME
|
|---|
| 90 | #endif /* !RT_ARCH_AMD64 */
|
|---|
| 91 |
|
|---|
| 92 |
|
|---|
| 93 | /*
|
|---|
| 94 | * Shadow - PAE mode
|
|---|
| 95 | */
|
|---|
| 96 | #define PGM_SHW_TYPE PGM_TYPE_PAE
|
|---|
| 97 | #define PGM_SHW_NAME(name) PGM_SHW_NAME_PAE(name)
|
|---|
| 98 | #define PGM_BTH_NAME(name) PGM_BTH_NAME_PAE_REAL(name)
|
|---|
| 99 | #include "PGMGCShw.h"
|
|---|
| 100 |
|
|---|
| 101 | /* Guest - real mode */
|
|---|
| 102 | #define PGM_GST_TYPE PGM_TYPE_REAL
|
|---|
| 103 | #define PGM_GST_NAME(name) PGM_GST_NAME_REAL(name)
|
|---|
| 104 | #define PGM_BTH_NAME(name) PGM_BTH_NAME_PAE_REAL(name)
|
|---|
| 105 | #include "PGMGCBth.h"
|
|---|
| 106 | #undef PGM_BTH_NAME
|
|---|
| 107 | #undef PGM_GST_TYPE
|
|---|
| 108 | #undef PGM_GST_NAME
|
|---|
| 109 |
|
|---|
| 110 | /* Guest - protected mode */
|
|---|
| 111 | #define PGM_GST_TYPE PGM_TYPE_PROT
|
|---|
| 112 | #define PGM_GST_NAME(name) PGM_GST_NAME_PROT(name)
|
|---|
| 113 | #define PGM_BTH_NAME(name) PGM_BTH_NAME_PAE_PROT(name)
|
|---|
| 114 | #include "PGMGCBth.h"
|
|---|
| 115 | #undef PGM_BTH_NAME
|
|---|
| 116 | #undef PGM_GST_TYPE
|
|---|
| 117 | #undef PGM_GST_NAME
|
|---|
| 118 |
|
|---|
| 119 | /* Guest - 32-bit mode */
|
|---|
| 120 | #define PGM_GST_TYPE PGM_TYPE_32BIT
|
|---|
| 121 | #define PGM_GST_NAME(name) PGM_GST_NAME_32BIT(name)
|
|---|
| 122 | #define PGM_BTH_NAME(name) PGM_BTH_NAME_PAE_32BIT(name)
|
|---|
| 123 | #include "PGMGCBth.h"
|
|---|
| 124 | #undef PGM_BTH_NAME
|
|---|
| 125 | #undef PGM_GST_TYPE
|
|---|
| 126 | #undef PGM_GST_NAME
|
|---|
| 127 |
|
|---|
| 128 | /* Guest - PAE mode */
|
|---|
| 129 | #define PGM_GST_TYPE PGM_TYPE_PAE
|
|---|
| 130 | #define PGM_GST_NAME(name) PGM_GST_NAME_PAE(name)
|
|---|
| 131 | #define PGM_BTH_NAME(name) PGM_BTH_NAME_PAE_PAE(name)
|
|---|
| 132 | #include "PGMGCGst.h"
|
|---|
| 133 | #include "PGMGCBth.h"
|
|---|
| 134 | #undef PGM_BTH_NAME
|
|---|
| 135 | #undef PGM_GST_TYPE
|
|---|
| 136 | #undef PGM_GST_NAME
|
|---|
| 137 |
|
|---|
| 138 | #undef PGM_SHW_TYPE
|
|---|
| 139 | #undef PGM_SHW_NAME
|
|---|
| 140 |
|
|---|
| 141 |
|
|---|
| 142 | /*
|
|---|
| 143 | * Shadow - AMD64 mode
|
|---|
| 144 | */
|
|---|
| 145 | #define PGM_SHW_TYPE PGM_TYPE_AMD64
|
|---|
| 146 | #define PGM_SHW_NAME(name) PGM_SHW_NAME_AMD64(name)
|
|---|
| 147 | #include "PGMGCShw.h"
|
|---|
| 148 |
|
|---|
| 149 | /* Guest - real mode */
|
|---|
| 150 | #define PGM_GST_TYPE PGM_TYPE_REAL
|
|---|
| 151 | #define PGM_GST_NAME(name) PGM_GST_NAME_REAL(name)
|
|---|
| 152 | #define PGM_BTH_NAME(name) PGM_BTH_NAME_AMD64_REAL(name)
|
|---|
| 153 | #include "PGMGCBth.h"
|
|---|
| 154 | #undef PGM_BTH_NAME
|
|---|
| 155 | #undef PGM_GST_NAME
|
|---|
| 156 | #undef PGM_GST_TYPE
|
|---|
| 157 |
|
|---|
| 158 | /* Guest - protected mode */
|
|---|
| 159 | #define PGM_GST_TYPE PGM_TYPE_PROT
|
|---|
| 160 | #define PGM_GST_NAME(name) PGM_GST_NAME_PROT(name)
|
|---|
| 161 | #define PGM_BTH_NAME(name) PGM_BTH_NAME_AMD64_PROT(name)
|
|---|
| 162 | #include "PGMGCBth.h"
|
|---|
| 163 | #undef PGM_BTH_NAME
|
|---|
| 164 | #undef PGM_GST_TYPE
|
|---|
| 165 | #undef PGM_GST_NAME
|
|---|
| 166 |
|
|---|
| 167 | /* Guest - AMD64 mode */
|
|---|
| 168 | #define PGM_GST_TYPE PGM_TYPE_AMD64
|
|---|
| 169 | #define PGM_GST_NAME(name) PGM_GST_NAME_AMD64(name)
|
|---|
| 170 | #define PGM_BTH_NAME(name) PGM_BTH_NAME_AMD64_AMD64(name)
|
|---|
| 171 | #include "PGMGCGst.h"
|
|---|
| 172 | #include "PGMGCBth.h"
|
|---|
| 173 | #undef PGM_BTH_NAME
|
|---|
| 174 | #undef PGM_GST_TYPE
|
|---|
| 175 | #undef PGM_GST_NAME
|
|---|
| 176 |
|
|---|
| 177 | #undef PGM_SHW_TYPE
|
|---|
| 178 | #undef PGM_SHW_NAME
|
|---|
| 179 |
|
|---|
| 180 |
|
|---|
| 181 | /**
|
|---|
| 182 | * Temporarily maps one guest page specified by GC physical address.
|
|---|
| 183 | * These pages must have a physical mapping in HC, i.e. they cannot be MMIO pages.
|
|---|
| 184 | *
|
|---|
| 185 | * Be WARNED that the dynamic page mapping area is small, 8 pages, thus the space is
|
|---|
| 186 | * reused after 8 mappings (or perhaps a few more if you score with the cache).
|
|---|
| 187 | *
|
|---|
| 188 | * @returns VBox status.
|
|---|
| 189 | * @param pVM VM handle.
|
|---|
| 190 | * @param GCPhys GC Physical address of the page.
|
|---|
| 191 | * @param ppv Where to store the address of the mapping.
|
|---|
| 192 | */
|
|---|
| 193 | PGMGCDECL(int) PGMGCDynMapGCPage(PVM pVM, RTGCPHYS GCPhys, void **ppv)
|
|---|
| 194 | {
|
|---|
| 195 | AssertMsg(!(GCPhys & PAGE_OFFSET_MASK), ("GCPhys=%VGp\n", GCPhys));
|
|---|
| 196 |
|
|---|
| 197 | /*
|
|---|
| 198 | * Get the ram range.
|
|---|
| 199 | */
|
|---|
| 200 | PPGMRAMRANGE pRam = pVM->pgm.s.pRamRangesGC;
|
|---|
| 201 | while (pRam && GCPhys - pRam->GCPhys >= pRam->cb)
|
|---|
| 202 | pRam = pRam->pNextGC;
|
|---|
| 203 | if (!pRam)
|
|---|
| 204 | {
|
|---|
| 205 | AssertMsgFailed(("Invalid physical address %VGp!\n", GCPhys));
|
|---|
| 206 | return VERR_PGM_INVALID_GC_PHYSICAL_ADDRESS;
|
|---|
| 207 | }
|
|---|
| 208 |
|
|---|
| 209 | /*
|
|---|
| 210 | * Pass it on to PGMGCDynMapHCPage.
|
|---|
| 211 | */
|
|---|
| 212 | RTHCPHYS HCPhys = PGM_PAGE_GET_HCPHYS(&pRam->aPages[(GCPhys - pRam->GCPhys) >> PAGE_SHIFT]);
|
|---|
| 213 | //Log(("PGMGCDynMapGCPage: GCPhys=%VGp HCPhys=%VHp\n", GCPhys, HCPhys));
|
|---|
| 214 | return PGMGCDynMapHCPage(pVM, HCPhys, ppv);
|
|---|
| 215 | }
|
|---|
| 216 |
|
|---|
| 217 |
|
|---|
| 218 | /**
|
|---|
| 219 | * Temporarily maps one guest page specified by unaligned GC physical address.
|
|---|
| 220 | * These pages must have a physical mapping in HC, i.e. they cannot be MMIO pages.
|
|---|
| 221 | *
|
|---|
| 222 | * Be WARNED that the dynamic page mapping area is small, 8 pages, thus the space is
|
|---|
| 223 | * reused after 8 mappings (or perhaps a few more if you score with the cache).
|
|---|
| 224 | *
|
|---|
| 225 | * The caller is aware that only the speicifed page is mapped and that really bad things
|
|---|
| 226 | * will happen if writing beyond the page!
|
|---|
| 227 | *
|
|---|
| 228 | * @returns VBox status.
|
|---|
| 229 | * @param pVM VM handle.
|
|---|
| 230 | * @param GCPhys GC Physical address within the page to be mapped.
|
|---|
| 231 | * @param ppv Where to store the address of the mapping address corresponding to GCPhys.
|
|---|
| 232 | */
|
|---|
| 233 | PGMGCDECL(int) PGMGCDynMapGCPageEx(PVM pVM, RTGCPHYS GCPhys, void **ppv)
|
|---|
| 234 | {
|
|---|
| 235 | /*
|
|---|
| 236 | * Get the ram range.
|
|---|
| 237 | */
|
|---|
| 238 | PPGMRAMRANGE pRam = pVM->pgm.s.pRamRangesGC;
|
|---|
| 239 | while (pRam && GCPhys - pRam->GCPhys >= pRam->cb)
|
|---|
| 240 | pRam = pRam->pNextGC;
|
|---|
| 241 | if (!pRam)
|
|---|
| 242 | {
|
|---|
| 243 | AssertMsgFailed(("Invalid physical address %VGp!\n", GCPhys));
|
|---|
| 244 | return VERR_PGM_INVALID_GC_PHYSICAL_ADDRESS;
|
|---|
| 245 | }
|
|---|
| 246 |
|
|---|
| 247 | /*
|
|---|
| 248 | * Pass it on to PGMGCDynMapHCPage.
|
|---|
| 249 | */
|
|---|
| 250 | RTHCPHYS HCPhys = PGM_PAGE_GET_HCPHYS(&pRam->aPages[(GCPhys - pRam->GCPhys) >> PAGE_SHIFT]);
|
|---|
| 251 | int rc = PGMGCDynMapHCPage(pVM, HCPhys, ppv);
|
|---|
| 252 | if (VBOX_SUCCESS(rc))
|
|---|
| 253 | *ppv = (void *)((uintptr_t)*ppv | (GCPhys & PAGE_OFFSET_MASK));
|
|---|
| 254 | return rc;
|
|---|
| 255 | }
|
|---|
| 256 |
|
|---|
| 257 |
|
|---|
| 258 | /**
|
|---|
| 259 | * Temporarily maps one host page specified by HC physical address.
|
|---|
| 260 | *
|
|---|
| 261 | * Be WARNED that the dynamic page mapping area is small, 8 pages, thus the space is
|
|---|
| 262 | * reused after 8 mappings (or perhaps a few more if you score with the cache).
|
|---|
| 263 | *
|
|---|
| 264 | * @returns VBox status.
|
|---|
| 265 | * @param pVM VM handle.
|
|---|
| 266 | * @param HCPhys HC Physical address of the page.
|
|---|
| 267 | * @param ppv Where to store the address of the mapping.
|
|---|
| 268 | */
|
|---|
| 269 | PGMGCDECL(int) PGMGCDynMapHCPage(PVM pVM, RTHCPHYS HCPhys, void **ppv)
|
|---|
| 270 | {
|
|---|
| 271 | AssertMsg(!(HCPhys & PAGE_OFFSET_MASK), ("HCPhys=%VHp\n", HCPhys));
|
|---|
| 272 |
|
|---|
| 273 | /*
|
|---|
| 274 | * Check the cache.
|
|---|
| 275 | */
|
|---|
| 276 | register unsigned iCache;
|
|---|
| 277 | if ( pVM->pgm.s.aHCPhysDynPageMapCache[iCache = 0] == HCPhys
|
|---|
| 278 | || pVM->pgm.s.aHCPhysDynPageMapCache[iCache = 1] == HCPhys
|
|---|
| 279 | || pVM->pgm.s.aHCPhysDynPageMapCache[iCache = 2] == HCPhys
|
|---|
| 280 | || pVM->pgm.s.aHCPhysDynPageMapCache[iCache = 3] == HCPhys)
|
|---|
| 281 | {
|
|---|
| 282 | static const uint8_t au8Trans[MM_HYPER_DYNAMIC_SIZE >> PAGE_SHIFT][ELEMENTS(pVM->pgm.s.aHCPhysDynPageMapCache)] =
|
|---|
| 283 | {
|
|---|
| 284 | { 0, 5, 6, 7 },
|
|---|
| 285 | { 0, 1, 6, 7 },
|
|---|
| 286 | { 0, 1, 2, 7 },
|
|---|
| 287 | { 0, 1, 2, 3 },
|
|---|
| 288 | { 4, 1, 2, 3 },
|
|---|
| 289 | { 4, 5, 2, 3 },
|
|---|
| 290 | { 4, 5, 6, 3 },
|
|---|
| 291 | { 4, 5, 6, 7 },
|
|---|
| 292 | };
|
|---|
| 293 | Assert(ELEMENTS(au8Trans) == 8);
|
|---|
| 294 | Assert(ELEMENTS(au8Trans[0]) == 4);
|
|---|
| 295 | int iPage = au8Trans[pVM->pgm.s.iDynPageMapLast][iCache];
|
|---|
| 296 | void *pv = pVM->pgm.s.pbDynPageMapBaseGC + (iPage << PAGE_SHIFT);
|
|---|
| 297 | *ppv = pv;
|
|---|
| 298 | STAM_COUNTER_INC(&pVM->pgm.s.StatDynMapCacheHits);
|
|---|
| 299 | //Log(("PGMGCDynMapHCPage: HCPhys=%VHp pv=%VGv iPage=%d iCache=%d\n", HCPhys, pv, iPage, iCache));
|
|---|
| 300 | return VINF_SUCCESS;
|
|---|
| 301 | }
|
|---|
| 302 | Assert(ELEMENTS(pVM->pgm.s.aHCPhysDynPageMapCache) == 4);
|
|---|
| 303 | STAM_COUNTER_INC(&pVM->pgm.s.StatDynMapCacheMisses);
|
|---|
| 304 |
|
|---|
| 305 | /*
|
|---|
| 306 | * Update the page tables.
|
|---|
| 307 | */
|
|---|
| 308 | register unsigned iPage = pVM->pgm.s.iDynPageMapLast;
|
|---|
| 309 | pVM->pgm.s.iDynPageMapLast = iPage = (iPage + 1) & ((MM_HYPER_DYNAMIC_SIZE >> PAGE_SHIFT) - 1);
|
|---|
| 310 | Assert((MM_HYPER_DYNAMIC_SIZE >> PAGE_SHIFT) == 8);
|
|---|
| 311 |
|
|---|
| 312 | pVM->pgm.s.aHCPhysDynPageMapCache[iPage & (ELEMENTS(pVM->pgm.s.aHCPhysDynPageMapCache) - 1)] = HCPhys;
|
|---|
| 313 | pVM->pgm.s.paDynPageMap32BitPTEsGC[iPage].u = (uint32_t)HCPhys | X86_PTE_P | X86_PTE_A | X86_PTE_D;
|
|---|
| 314 | pVM->pgm.s.paDynPageMapPaePTEsGC[iPage].u = HCPhys | X86_PTE_P | X86_PTE_A | X86_PTE_D;
|
|---|
| 315 |
|
|---|
| 316 | void *pv = pVM->pgm.s.pbDynPageMapBaseGC + (iPage << PAGE_SHIFT);
|
|---|
| 317 | *ppv = pv;
|
|---|
| 318 | ASMInvalidatePage(pv);
|
|---|
| 319 | Log4(("PGMGCDynMapHCPage: HCPhys=%VHp pv=%VGv iPage=%d\n", HCPhys, pv, iPage));
|
|---|
| 320 | return VINF_SUCCESS;
|
|---|
| 321 | }
|
|---|
| 322 |
|
|---|
| 323 |
|
|---|
| 324 | /**
|
|---|
| 325 | * Emulation of the invlpg instruction.
|
|---|
| 326 | *
|
|---|
| 327 | * @returns VBox status code suitable for scheduling.
|
|---|
| 328 | * @param pVM VM handle.
|
|---|
| 329 | * @param GCPtrPage Page to invalidate.
|
|---|
| 330 | */
|
|---|
| 331 | PGMGCDECL(int) PGMGCInvalidatePage(PVM pVM, RTGCPTR GCPtrPage)
|
|---|
| 332 | {
|
|---|
| 333 | LogFlow(("PGMGCInvalidatePage: GCPtrPage=%VGv\n", GCPtrPage));
|
|---|
| 334 |
|
|---|
| 335 | STAM_PROFILE_START(&CTXMID(pVM->pgm.s.Stat,InvalidatePage), a);
|
|---|
| 336 |
|
|---|
| 337 | /*
|
|---|
| 338 | * Check for conflicts and pending CR3 monitoring updates.
|
|---|
| 339 | */
|
|---|
| 340 | if (!pVM->pgm.s.fMappingsFixed)
|
|---|
| 341 | {
|
|---|
| 342 | if ( pgmGetMapping(pVM, GCPtrPage)
|
|---|
| 343 | /** @todo && (PGMGstGetPDE(pVM, GCPtrPage) & X86_PDE_P) - FIX THIS NOW!!! */ )
|
|---|
| 344 | {
|
|---|
| 345 | LogFlow(("PGMGCInvalidatePage: Conflict!\n"));
|
|---|
| 346 | VM_FF_SET(pVM, VM_FF_PGM_SYNC_CR3);
|
|---|
| 347 | STAM_PROFILE_STOP(&CTXMID(pVM->pgm.s.Stat,InvalidatePage), a);
|
|---|
| 348 | return VINF_PGM_SYNC_CR3;
|
|---|
| 349 | }
|
|---|
| 350 |
|
|---|
| 351 | if (pVM->pgm.s.fSyncFlags & PGM_SYNC_MONITOR_CR3)
|
|---|
| 352 | {
|
|---|
| 353 | LogFlow(("PGMGCInvalidatePage: PGM_SYNC_MONITOR_CR3 -> reinterpret instruction in HC\n"));
|
|---|
| 354 | STAM_PROFILE_STOP(&CTXMID(pVM->pgm.s.Stat,InvalidatePage), a);
|
|---|
| 355 | /** @todo counter for these... */
|
|---|
| 356 | return VINF_EM_RAW_EMULATE_INSTR;
|
|---|
| 357 | }
|
|---|
| 358 | }
|
|---|
| 359 |
|
|---|
| 360 | /*
|
|---|
| 361 | * Notify the recompiler so it can record this instruction.
|
|---|
| 362 | * Failure happens when it's out of space. We'll return to HC in that case.
|
|---|
| 363 | */
|
|---|
| 364 | int rc = REMNotifyInvalidatePage(pVM, GCPtrPage);
|
|---|
| 365 | if (rc == VINF_SUCCESS)
|
|---|
| 366 | rc = PGM_BTH_PFN(InvalidatePage, pVM)(pVM, GCPtrPage);
|
|---|
| 367 |
|
|---|
| 368 | STAM_PROFILE_STOP(&CTXMID(pVM->pgm.s.Stat,InvalidatePage), a);
|
|---|
| 369 | return rc;
|
|---|
| 370 | }
|
|---|
