REMAll.cpp revision 48a189d2fe33094f457571e4e32a4533f60203d2
/* $Id$ */
/** @file
* REM - Recompiled Execution Monitor, all Contexts part.
*/
/*
* 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 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.
*/
/*******************************************************************************
* Global Variables *
*******************************************************************************/
#define LOG_GROUP LOG_GROUP_REM
#include <VBox/rem.h>
#include <VBox/vmm.h>
#include "REMInternal.h"
#include <VBox/vm.h>
#include <VBox/err.h>
#include <VBox/log.h>
#include <iprt/assert.h>
/**
* Records a invlpg instruction for replaying upon REM entry.
*
* @returns VINF_SUCCESS on success.
* @returns VERR_REM_FLUSHED_PAGES_OVERFLOW if a return to HC for flushing of
* recorded pages is required before the call can succeed.
* @param pVM The VM handle.
* @param GCPtrPage The
*/
REMDECL(int) REMNotifyInvalidatePage(PVM pVM, RTGCPTR GCPtrPage)
{
if (pVM->rem.s.cInvalidatedPages < ELEMENTS(pVM->rem.s.aGCPtrInvalidatedPages))
{
/*
* We sync them back in REMR3State.
*/
pVM->rem.s.aGCPtrInvalidatedPages[pVM->rem.s.cInvalidatedPages++] = GCPtrPage;
return VINF_SUCCESS;
}
/* Note: another option is to signal a TLB flush for the recompiler */
return VERR_REM_FLUSHED_PAGES_OVERFLOW;
}
/**
* Flushes the handler notifications by calling the host.
*
* @param pVM The VM handle.
*/
static void remFlushHandlerNotifications(PVM pVM)
{
#ifdef IN_GC
VMMGCCallHost(pVM, VMMCALLHOST_REM_REPLAY_HANDLER_NOTIFICATIONS, 0);
#elif defined(IN_RING0)
/** @todo necessary? */
VMMR0CallHost(pVM, VMMCALLHOST_REM_REPLAY_HANDLER_NOTIFICATIONS, 0);
#else
AssertReleaseMsgFailed(("Ring 3 call????.\n"));
#endif
Assert(pVM->rem.s.cHandlerNotifications == 0);
}
/**
* Notification about a successful PGMR3HandlerPhysicalRegister() call.
*
* @param pVM VM Handle.
* @param enmType Handler type.
* @param GCPhys Handler range address.
* @param cb Size of the handler range.
* @param fHasHCHandler Set if the handler have a HC callback function.
*/
REMDECL(void) REMNotifyHandlerPhysicalRegister(PVM pVM, PGMPHYSHANDLERTYPE enmType, RTGCPHYS GCPhys, RTGCPHYS cb, bool fHasHCHandler)
{
if (pVM->rem.s.cHandlerNotifications >= ELEMENTS(pVM->rem.s.aHandlerNotifications))
remFlushHandlerNotifications(pVM);
PREMHANDLERNOTIFICATION pRec = &pVM->rem.s.aHandlerNotifications[pVM->rem.s.cHandlerNotifications++];
pRec->enmKind = REMHANDLERNOTIFICATIONKIND_PHYSICAL_REGISTER;
pRec->u.PhysicalRegister.enmType = enmType;
pRec->u.PhysicalRegister.GCPhys = GCPhys;
pRec->u.PhysicalRegister.cb = cb;
pRec->u.PhysicalRegister.fHasHCHandler = fHasHCHandler;
}
/**
* Notification about a successful PGMR3HandlerPhysicalDeregister() operation.
*
* @param pVM VM Handle.
* @param enmType Handler type.
* @param GCPhys Handler range address.
* @param cb Size of the handler range.
* @param fHasHCHandler Set if the handler have a HC callback function.
* @param pvHCPtr The HC virtual address corresponding to GCPhys if available.
*/
REMDECL(void) REMNotifyHandlerPhysicalDeregister(PVM pVM, PGMPHYSHANDLERTYPE enmType, RTGCPHYS GCPhys, RTGCPHYS cb, bool fHasHCHandler, RTHCPTR pvHCPtr)
{
if (pVM->rem.s.cHandlerNotifications >= ELEMENTS(pVM->rem.s.aHandlerNotifications))
remFlushHandlerNotifications(pVM);
PREMHANDLERNOTIFICATION pRec = &pVM->rem.s.aHandlerNotifications[pVM->rem.s.cHandlerNotifications++];
pRec->enmKind = REMHANDLERNOTIFICATIONKIND_PHYSICAL_DEREGISTER;
pRec->u.PhysicalDeregister.enmType = enmType;
pRec->u.PhysicalDeregister.GCPhys = GCPhys;
pRec->u.PhysicalDeregister.cb = cb;
pRec->u.PhysicalDeregister.fHasHCHandler = fHasHCHandler;
pRec->u.PhysicalDeregister.pvHCPtr = pvHCPtr;
}
/**
* Notification about a successful PGMR3HandlerPhysicalModify() call.
*
* @param pVM VM Handle.
* @param enmType Handler type.
* @param GCPhysOld Old handler range address.
* @param GCPhysNew New handler range address.
* @param cb Size of the handler range.
* @param fHasHCHandler Set if the handler have a HC callback function.
* @param fRestoreAsRAM Whether the to restore it as normal RAM or as unassigned memory.
*/
REMDECL(void) REMNotifyHandlerPhysicalModify(PVM pVM, PGMPHYSHANDLERTYPE enmType, RTGCPHYS GCPhysOld, RTGCPHYS GCPhysNew, RTGCPHYS cb, bool fHasHCHandler, bool fRestoreAsRAM)
{
if (pVM->rem.s.cHandlerNotifications >= ELEMENTS(pVM->rem.s.aHandlerNotifications))
remFlushHandlerNotifications(pVM);
PREMHANDLERNOTIFICATION pRec = &pVM->rem.s.aHandlerNotifications[pVM->rem.s.cHandlerNotifications++];
pRec->enmKind = REMHANDLERNOTIFICATIONKIND_PHYSICAL_MODIFY;
pRec->u.PhysicalModify.enmType = enmType;
pRec->u.PhysicalModify.GCPhysOld = GCPhysOld;
pRec->u.PhysicalModify.GCPhysNew = GCPhysNew;
pRec->u.PhysicalModify.cb = cb;
pRec->u.PhysicalModify.fHasHCHandler = fHasHCHandler;
pRec->u.PhysicalModify.fRestoreAsRAM = fRestoreAsRAM;
}