REMAll.cpp revision 7e960d3a0a8a3a84d7aba2cca45d72b1c31cc97b
/* $Id$ */
/** @file
* REM - Recompiled Execution Monitor, all Contexts part.
*/
/*
* Copyright (C) 2006-2007 Sun Microsystems, Inc.
*
* 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.
*
* Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa
* Clara, CA 95054 USA or visit http://www.sun.com if you need
* additional information or have any questions.
*/
/*******************************************************************************
* 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>
#ifndef IN_RING3
/**
* 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
*/
VMMDECL(int) REMNotifyInvalidatePage(PVM pVM, RTGCPTR GCPtrPage)
{
if (pVM->rem.s.cInvalidatedPages < RT_ELEMENTS(pVM->rem.s.aGCPtrInvalidatedPages))
{
/*
* We sync them back in REMR3State.
*/
pVM->rem.s.aGCPtrInvalidatedPages[pVM->rem.s.cInvalidatedPages++] = GCPtrPage;
}
else
{
/* Tell the recompiler to flush its TLB. */
CPUMSetChangedFlags(pVM, CPUM_CHANGED_GLOBAL_TLB_FLUSH);
pVM->rem.s.cInvalidatedPages = 0;
}
return VINF_SUCCESS;
}
/**
* Flushes the handler notifications by calling the host.
*
* @param pVM The VM handle.
*/
static void remFlushHandlerNotifications(PVM pVM)
{
#ifdef IN_RC
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.
*/
VMMDECL(void) REMNotifyHandlerPhysicalRegister(PVM pVM, PGMPHYSHANDLERTYPE enmType, RTGCPHYS GCPhys, RTGCPHYS cb, bool fHasHCHandler)
{
if (pVM->rem.s.cHandlerNotifications >= RT_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;
VM_FF_SET(pVM, VM_FF_REM_HANDLER_NOTIFY);
}
/**
* 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 fRestoreAsRAM Whether the to restore it as normal RAM or as unassigned memory.
*/
VMMDECL(void) REMNotifyHandlerPhysicalDeregister(PVM pVM, PGMPHYSHANDLERTYPE enmType, RTGCPHYS GCPhys, RTGCPHYS cb, bool fHasHCHandler, bool fRestoreAsRAM)
{
if (pVM->rem.s.cHandlerNotifications >= RT_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.fRestoreAsRAM = fRestoreAsRAM;
VM_FF_SET(pVM, VM_FF_REM_HANDLER_NOTIFY);
}
/**
* 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.
*/
VMMDECL(void) REMNotifyHandlerPhysicalModify(PVM pVM, PGMPHYSHANDLERTYPE enmType, RTGCPHYS GCPhysOld, RTGCPHYS GCPhysNew, RTGCPHYS cb, bool fHasHCHandler, bool fRestoreAsRAM)
{
if (pVM->rem.s.cHandlerNotifications >= RT_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;
VM_FF_SET(pVM, VM_FF_REM_HANDLER_NOTIFY);
}
#endif /* !IN_RING3 */
/**
* Make REM flush all translation block upon the next call to REMR3State().
*
* @param pVM Pointer to the shared VM structure.
*/
VMMDECL(void) REMFlushTBs(PVM pVM)
{
LogFlow(("REMFlushTBs: fFlushTBs=%RTbool fInREM=%RTbool fInStateSync=%RTbool\n",
pVM->rem.s.fFlushTBs, pVM->rem.s.fInREM, pVM->rem.s.fInStateSync));
pVM->rem.s.fFlushTBs = true;
}