/* $Id: PGMBth.h 5999 2007-12-07 15:05:06Z vboxsync $ */ /** @file * VBox - Page Manager / Monitor, Shadow+Guest Paging Template. */ /* * Copyright (C) 2006-2007 innotek GmbH * * This file is part of VirtualBox Open Source Edition (OSE), as * available from http://www.virtualbox.org. This file is free software; * you can redistribute it and/or modify it under the terms of the GNU * General Public License (GPL) as published by the Free Software * Foundation, in version 2 as it comes in the "COPYING" file of the * VirtualBox OSE distribution. VirtualBox OSE is distributed in the * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind. */ /******************************************************************************* * Internal Functions * *******************************************************************************/ __BEGIN_DECLS PGM_BTH_DECL(int, InitData)(PVM pVM, PPGMMODEDATA pModeData, bool fResolveGCAndR0); PGM_BTH_DECL(int, Enter)(PVM pVM, RTGCPHYS GCPhysCR3); PGM_BTH_DECL(int, Relocate)(PVM pVM, RTGCUINTPTR offDelta); PGM_BTH_DECL(int, Trap0eHandler)(PVM pVM, RTGCUINT uErr, PCPUMCTXCORE pRegFrame, RTGCPTR pvFault); PGM_BTH_DECL(int, SyncCR3)(PVM pVM, uint32_t cr0, uint32_t cr3, uint32_t cr4, bool fGlobal); PGM_BTH_DECL(int, SyncPage)(PVM pVM, VBOXPDE PdeSrc, RTGCUINTPTR GCPtrPage, unsigned cPages, unsigned uError); PGM_BTH_DECL(int, VerifyAccessSyncPage)(PVM pVM, RTGCUINTPTR Addr, unsigned fPage, unsigned uError); PGM_BTH_DECL(int, InvalidatePage)(PVM pVM, RTGCPTR GCPtrPage); PGM_BTH_DECL(int, PrefetchPage)(PVM pVM, RTGCUINTPTR GCPtrPage); PGM_BTH_DECL(unsigned, AssertCR3)(PVM pVM, uint32_t cr3, uint32_t cr4, RTGCUINTPTR GCPtr = 0, RTGCUINTPTR cb = ~(RTGCUINTPTR)0); __END_DECLS /** * Initializes the both bit of the paging mode data. * * @returns VBox status code. * @param pVM The VM handle. * @param fResolveGCAndR0 Indicate whether or not GC and Ring-0 symbols can be resolved now. * This is used early in the init process to avoid trouble with PDM * not being initialized yet. */ PGM_BTH_DECL(int, InitData)(PVM pVM, PPGMMODEDATA pModeData, bool fResolveGCAndR0) { Assert(pModeData->uShwType == PGM_SHW_TYPE); Assert(pModeData->uGstType == PGM_GST_TYPE); /* Ring 3 */ pModeData->pfnR3BthRelocate = PGM_BTH_NAME(Relocate); pModeData->pfnR3BthSyncCR3 = PGM_BTH_NAME(SyncCR3); pModeData->pfnR3BthTrap0eHandler = PGM_BTH_NAME(Trap0eHandler); pModeData->pfnR3BthInvalidatePage = PGM_BTH_NAME(InvalidatePage); pModeData->pfnR3BthSyncPage = PGM_BTH_NAME(SyncPage); pModeData->pfnR3BthPrefetchPage = PGM_BTH_NAME(PrefetchPage); pModeData->pfnR3BthVerifyAccessSyncPage = PGM_BTH_NAME(VerifyAccessSyncPage); #ifdef VBOX_STRICT PGM_BTH_PFN(AssertCR3, pVM) = PGM_BTH_NAME(AssertCR3); #endif if (fResolveGCAndR0) { int rc; /* GC */ rc = PDMR3GetSymbolGC(pVM, NULL, PGM_BTH_NAME_GC_STR(Trap0eHandler), &pModeData->pfnGCBthTrap0eHandler); AssertMsgRCReturn(rc, ("%s -> rc=%Vrc\n", PGM_BTH_NAME_GC_STR(Trap0eHandler), rc), rc); rc = PDMR3GetSymbolGC(pVM, NULL, PGM_BTH_NAME_GC_STR(InvalidatePage), &pModeData->pfnGCBthInvalidatePage); AssertMsgRCReturn(rc, ("%s -> rc=%Vrc\n", PGM_BTH_NAME_GC_STR(InvalidatePage), rc), rc); rc = PDMR3GetSymbolGC(pVM, NULL, PGM_BTH_NAME_GC_STR(SyncCR3), &pModeData->pfnGCBthSyncCR3); AssertMsgRCReturn(rc, ("%s -> rc=%Vrc\n", PGM_BTH_NAME_GC_STR(SyncPage), rc), rc); rc = PDMR3GetSymbolGC(pVM, NULL, PGM_BTH_NAME_GC_STR(SyncPage), &pModeData->pfnGCBthSyncPage); AssertMsgRCReturn(rc, ("%s -> rc=%Vrc\n", PGM_BTH_NAME_GC_STR(SyncPage), rc), rc); rc = PDMR3GetSymbolGC(pVM, NULL, PGM_BTH_NAME_GC_STR(PrefetchPage), &pModeData->pfnGCBthPrefetchPage); AssertMsgRCReturn(rc, ("%s -> rc=%Vrc\n", PGM_BTH_NAME_GC_STR(PrefetchPage), rc), rc); rc = PDMR3GetSymbolGC(pVM, NULL, PGM_BTH_NAME_GC_STR(VerifyAccessSyncPage), &pModeData->pfnGCBthVerifyAccessSyncPage); AssertMsgRCReturn(rc, ("%s -> rc=%Vrc\n", PGM_BTH_NAME_GC_STR(VerifyAccessSyncPage), rc), rc); #ifdef VBOX_STRICT rc = PDMR3GetSymbolGC(pVM, NULL, PGM_BTH_NAME_GC_STR(AssertCR3), &pModeData->pfnGCBthAssertCR3); AssertMsgRCReturn(rc, ("%s -> rc=%Vrc\n", PGM_BTH_NAME_GC_STR(AssertCR3), rc), rc); #endif /* Ring 0 */ rc = PDMR3GetSymbolR0(pVM, NULL, PGM_BTH_NAME_R0_STR(Trap0eHandler), &pModeData->pfnR0BthTrap0eHandler); AssertMsgRCReturn(rc, ("%s -> rc=%Vrc\n", PGM_BTH_NAME_R0_STR(Trap0eHandler), rc), rc); rc = PDMR3GetSymbolR0(pVM, NULL, PGM_BTH_NAME_R0_STR(InvalidatePage), &pModeData->pfnR0BthInvalidatePage); AssertMsgRCReturn(rc, ("%s -> rc=%Vrc\n", PGM_BTH_NAME_R0_STR(InvalidatePage), rc), rc); rc = PDMR3GetSymbolR0(pVM, NULL, PGM_BTH_NAME_R0_STR(SyncCR3), &pModeData->pfnR0BthSyncCR3); AssertMsgRCReturn(rc, ("%s -> rc=%Vrc\n", PGM_BTH_NAME_R0_STR(SyncCR3), rc), rc); rc = PDMR3GetSymbolR0(pVM, NULL, PGM_BTH_NAME_R0_STR(SyncPage), &pModeData->pfnR0BthSyncPage); AssertMsgRCReturn(rc, ("%s -> rc=%Vrc\n", PGM_BTH_NAME_R0_STR(SyncPage), rc), rc); rc = PDMR3GetSymbolR0(pVM, NULL, PGM_BTH_NAME_R0_STR(PrefetchPage), &pModeData->pfnR0BthPrefetchPage); AssertMsgRCReturn(rc, ("%s -> rc=%Vrc\n", PGM_BTH_NAME_R0_STR(PrefetchPage), rc), rc); rc = PDMR3GetSymbolR0(pVM, NULL, PGM_BTH_NAME_R0_STR(VerifyAccessSyncPage), &pModeData->pfnR0BthVerifyAccessSyncPage); AssertMsgRCReturn(rc, ("%s -> rc=%Vrc\n", PGM_BTH_NAME_R0_STR(VerifyAccessSyncPage), rc), rc); #ifdef VBOX_STRICT rc = PDMR3GetSymbolR0(pVM, NULL, PGM_BTH_NAME_R0_STR(AssertCR3), &pModeData->pfnR0BthAssertCR3); AssertMsgRCReturn(rc, ("%s -> rc=%Vrc\n", PGM_BTH_NAME_R0_STR(AssertCR3), rc), rc); #endif } return VINF_SUCCESS; } /** * Enters the shadow+guest mode. * * @returns VBox status code. * @param pVM VM handle. * @param GCPhysCR3 The physical address from the CR3 register. */ PGM_BTH_DECL(int, Enter)(PVM pVM, RTGCPHYS GCPhysCR3) { /* nothing special to do here - InitData does the job. */ return VINF_SUCCESS; } /** * Relocate any GC pointers related to shadow mode paging. * * @returns VBox status code. * @param pVM The VM handle. * @param offDelta The reloation offset. */ PGM_BTH_DECL(int, Relocate)(PVM pVM, RTGCUINTPTR offDelta) { /* nothing special to do here - InitData does the job. */ return VINF_SUCCESS; }