VMMR0.cpp revision a21e8010cb45d12eef81d39c315728619caf4273
29bdc01040c07a3dd482a94a2cb8f0a90f8587a7vboxsync/* $Id$ */
29bdc01040c07a3dd482a94a2cb8f0a90f8587a7vboxsync/** @file
5b281ba489ca18f0380d7efc7a5108b606cce449vboxsync * VMM - Host Context Ring 0.
29bdc01040c07a3dd482a94a2cb8f0a90f8587a7vboxsync */
29bdc01040c07a3dd482a94a2cb8f0a90f8587a7vboxsync
29bdc01040c07a3dd482a94a2cb8f0a90f8587a7vboxsync/*
1c94c0a63ba68be1a7b2c640e70d7a06464e4fcavboxsync * Copyright (C) 2006-2007 Sun Microsystems, Inc.
29bdc01040c07a3dd482a94a2cb8f0a90f8587a7vboxsync *
29bdc01040c07a3dd482a94a2cb8f0a90f8587a7vboxsync * This file is part of VirtualBox Open Source Edition (OSE), as
29bdc01040c07a3dd482a94a2cb8f0a90f8587a7vboxsync * available from http://www.virtualbox.org. This file is free software;
29bdc01040c07a3dd482a94a2cb8f0a90f8587a7vboxsync * you can redistribute it and/or modify it under the terms of the GNU
a16eb14ad7a4b5ef91ddc22d3e8e92d930f736fcvboxsync * General Public License (GPL) as published by the Free Software
a16eb14ad7a4b5ef91ddc22d3e8e92d930f736fcvboxsync * Foundation, in version 2 as it comes in the "COPYING" file of the
a16eb14ad7a4b5ef91ddc22d3e8e92d930f736fcvboxsync * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
a16eb14ad7a4b5ef91ddc22d3e8e92d930f736fcvboxsync * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
a16eb14ad7a4b5ef91ddc22d3e8e92d930f736fcvboxsync *
a16eb14ad7a4b5ef91ddc22d3e8e92d930f736fcvboxsync * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa
a16eb14ad7a4b5ef91ddc22d3e8e92d930f736fcvboxsync * Clara, CA 95054 USA or visit http://www.sun.com if you need
a16eb14ad7a4b5ef91ddc22d3e8e92d930f736fcvboxsync * additional information or have any questions.
a16eb14ad7a4b5ef91ddc22d3e8e92d930f736fcvboxsync */
a16eb14ad7a4b5ef91ddc22d3e8e92d930f736fcvboxsync
a16eb14ad7a4b5ef91ddc22d3e8e92d930f736fcvboxsync/*******************************************************************************
a16eb14ad7a4b5ef91ddc22d3e8e92d930f736fcvboxsync* Header Files *
a16eb14ad7a4b5ef91ddc22d3e8e92d930f736fcvboxsync*******************************************************************************/
1c94c0a63ba68be1a7b2c640e70d7a06464e4fcavboxsync#define LOG_GROUP LOG_GROUP_VMM
1c94c0a63ba68be1a7b2c640e70d7a06464e4fcavboxsync#include <VBox/vmm.h>
1c94c0a63ba68be1a7b2c640e70d7a06464e4fcavboxsync#include <VBox/sup.h>
1c94c0a63ba68be1a7b2c640e70d7a06464e4fcavboxsync#include <VBox/trpm.h>
29bdc01040c07a3dd482a94a2cb8f0a90f8587a7vboxsync#include <VBox/cpum.h>
29bdc01040c07a3dd482a94a2cb8f0a90f8587a7vboxsync#include <VBox/pgm.h>
29bdc01040c07a3dd482a94a2cb8f0a90f8587a7vboxsync#include <VBox/stam.h>
29bdc01040c07a3dd482a94a2cb8f0a90f8587a7vboxsync#include <VBox/tm.h>
29bdc01040c07a3dd482a94a2cb8f0a90f8587a7vboxsync#include "VMMInternal.h"
29bdc01040c07a3dd482a94a2cb8f0a90f8587a7vboxsync#include <VBox/vm.h>
29bdc01040c07a3dd482a94a2cb8f0a90f8587a7vboxsync#include <VBox/gvmm.h>
9c11b89c71ca727d975c39f2719063501ddcd03dvboxsync#include <VBox/gmm.h>
29bdc01040c07a3dd482a94a2cb8f0a90f8587a7vboxsync#include <VBox/intnet.h>
29bdc01040c07a3dd482a94a2cb8f0a90f8587a7vboxsync#include <VBox/hwaccm.h>
9c11b89c71ca727d975c39f2719063501ddcd03dvboxsync#include <VBox/param.h>
9c11b89c71ca727d975c39f2719063501ddcd03dvboxsync
9c11b89c71ca727d975c39f2719063501ddcd03dvboxsync#include <VBox/err.h>
9c11b89c71ca727d975c39f2719063501ddcd03dvboxsync#include <VBox/version.h>
9c11b89c71ca727d975c39f2719063501ddcd03dvboxsync#include <VBox/log.h>
29bdc01040c07a3dd482a94a2cb8f0a90f8587a7vboxsync#include <iprt/assert.h>
29bdc01040c07a3dd482a94a2cb8f0a90f8587a7vboxsync#include <iprt/stdarg.h>
29bdc01040c07a3dd482a94a2cb8f0a90f8587a7vboxsync#include <iprt/mp.h>
29bdc01040c07a3dd482a94a2cb8f0a90f8587a7vboxsync#include <iprt/string.h>
29bdc01040c07a3dd482a94a2cb8f0a90f8587a7vboxsync
29bdc01040c07a3dd482a94a2cb8f0a90f8587a7vboxsync#if defined(_MSC_VER) && defined(RT_ARCH_AMD64) /** @todo check this with with VC7! */
29bdc01040c07a3dd482a94a2cb8f0a90f8587a7vboxsync# pragma intrinsic(_AddressOfReturnAddress)
e7e8a6cb1597db3e0a1a83733e1d90e7a1688647vboxsync#endif
29bdc01040c07a3dd482a94a2cb8f0a90f8587a7vboxsync
29bdc01040c07a3dd482a94a2cb8f0a90f8587a7vboxsync
29bdc01040c07a3dd482a94a2cb8f0a90f8587a7vboxsync/*******************************************************************************
29bdc01040c07a3dd482a94a2cb8f0a90f8587a7vboxsync* Internal Functions *
29bdc01040c07a3dd482a94a2cb8f0a90f8587a7vboxsync*******************************************************************************/
29bdc01040c07a3dd482a94a2cb8f0a90f8587a7vboxsync__BEGIN_DECLS
c24d5fdb5a1880e221ebde9d3f733903b9233596vboxsyncVMMR0DECL(int) ModuleInit(void);
29bdc01040c07a3dd482a94a2cb8f0a90f8587a7vboxsyncVMMR0DECL(void) ModuleTerm(void);
29bdc01040c07a3dd482a94a2cb8f0a90f8587a7vboxsync__END_DECLS
29bdc01040c07a3dd482a94a2cb8f0a90f8587a7vboxsync
9c11b89c71ca727d975c39f2719063501ddcd03dvboxsync
29bdc01040c07a3dd482a94a2cb8f0a90f8587a7vboxsync/*******************************************************************************
29bdc01040c07a3dd482a94a2cb8f0a90f8587a7vboxsync* Global Variables *
29bdc01040c07a3dd482a94a2cb8f0a90f8587a7vboxsync*******************************************************************************/
29bdc01040c07a3dd482a94a2cb8f0a90f8587a7vboxsync/** Pointer to the internal networking service instance. */
9c11b89c71ca727d975c39f2719063501ddcd03dvboxsyncPINTNET g_pIntNet = 0;
29bdc01040c07a3dd482a94a2cb8f0a90f8587a7vboxsync
29bdc01040c07a3dd482a94a2cb8f0a90f8587a7vboxsync
29bdc01040c07a3dd482a94a2cb8f0a90f8587a7vboxsync/**
29bdc01040c07a3dd482a94a2cb8f0a90f8587a7vboxsync * Initialize the module.
29bdc01040c07a3dd482a94a2cb8f0a90f8587a7vboxsync * This is called when we're first loaded.
c24d5fdb5a1880e221ebde9d3f733903b9233596vboxsync *
29bdc01040c07a3dd482a94a2cb8f0a90f8587a7vboxsync * @returns 0 on success.
29bdc01040c07a3dd482a94a2cb8f0a90f8587a7vboxsync * @returns VBox status on failure.
29bdc01040c07a3dd482a94a2cb8f0a90f8587a7vboxsync */
29bdc01040c07a3dd482a94a2cb8f0a90f8587a7vboxsyncVMMR0DECL(int) ModuleInit(void)
29bdc01040c07a3dd482a94a2cb8f0a90f8587a7vboxsync{
29bdc01040c07a3dd482a94a2cb8f0a90f8587a7vboxsync LogFlow(("ModuleInit:\n"));
29bdc01040c07a3dd482a94a2cb8f0a90f8587a7vboxsync
29bdc01040c07a3dd482a94a2cb8f0a90f8587a7vboxsync /*
29bdc01040c07a3dd482a94a2cb8f0a90f8587a7vboxsync * Initialize the GVMM, GMM, HWACCM, PGM (Darwin) and INTNET.
29bdc01040c07a3dd482a94a2cb8f0a90f8587a7vboxsync */
29bdc01040c07a3dd482a94a2cb8f0a90f8587a7vboxsync int rc = GVMMR0Init();
29bdc01040c07a3dd482a94a2cb8f0a90f8587a7vboxsync if (RT_SUCCESS(rc))
29bdc01040c07a3dd482a94a2cb8f0a90f8587a7vboxsync {
29bdc01040c07a3dd482a94a2cb8f0a90f8587a7vboxsync rc = GMMR0Init();
29bdc01040c07a3dd482a94a2cb8f0a90f8587a7vboxsync if (RT_SUCCESS(rc))
29bdc01040c07a3dd482a94a2cb8f0a90f8587a7vboxsync {
9c11b89c71ca727d975c39f2719063501ddcd03dvboxsync rc = HWACCMR0Init();
29bdc01040c07a3dd482a94a2cb8f0a90f8587a7vboxsync if (RT_SUCCESS(rc))
29bdc01040c07a3dd482a94a2cb8f0a90f8587a7vboxsync {
c24d5fdb5a1880e221ebde9d3f733903b9233596vboxsync#ifdef VBOX_WITH_2X_4GB_ADDR_SPACE
29bdc01040c07a3dd482a94a2cb8f0a90f8587a7vboxsync rc = PGMR0DynMapInit();
29bdc01040c07a3dd482a94a2cb8f0a90f8587a7vboxsync#endif
29bdc01040c07a3dd482a94a2cb8f0a90f8587a7vboxsync if (RT_SUCCESS(rc))
29bdc01040c07a3dd482a94a2cb8f0a90f8587a7vboxsync {
29bdc01040c07a3dd482a94a2cb8f0a90f8587a7vboxsync LogFlow(("ModuleInit: g_pIntNet=%p\n", g_pIntNet));
29bdc01040c07a3dd482a94a2cb8f0a90f8587a7vboxsync g_pIntNet = NULL;
29bdc01040c07a3dd482a94a2cb8f0a90f8587a7vboxsync LogFlow(("ModuleInit: g_pIntNet=%p should be NULL now...\n", g_pIntNet));
29bdc01040c07a3dd482a94a2cb8f0a90f8587a7vboxsync rc = INTNETR0Create(&g_pIntNet);
29bdc01040c07a3dd482a94a2cb8f0a90f8587a7vboxsync if (RT_SUCCESS(rc))
29bdc01040c07a3dd482a94a2cb8f0a90f8587a7vboxsync {
29bdc01040c07a3dd482a94a2cb8f0a90f8587a7vboxsync LogFlow(("ModuleInit: returns success. g_pIntNet=%p\n", g_pIntNet));
29bdc01040c07a3dd482a94a2cb8f0a90f8587a7vboxsync return VINF_SUCCESS;
29bdc01040c07a3dd482a94a2cb8f0a90f8587a7vboxsync }
9c11b89c71ca727d975c39f2719063501ddcd03dvboxsync
29bdc01040c07a3dd482a94a2cb8f0a90f8587a7vboxsync /* bail out */
c24d5fdb5a1880e221ebde9d3f733903b9233596vboxsync g_pIntNet = NULL;
29bdc01040c07a3dd482a94a2cb8f0a90f8587a7vboxsync LogFlow(("ModuleTerm: returns %Rrc\n", rc));
29bdc01040c07a3dd482a94a2cb8f0a90f8587a7vboxsync#ifdef VBOX_WITH_2X_4GB_ADDR_SPACE
29bdc01040c07a3dd482a94a2cb8f0a90f8587a7vboxsync PGMR0DynMapTerm();
29bdc01040c07a3dd482a94a2cb8f0a90f8587a7vboxsync#endif
29bdc01040c07a3dd482a94a2cb8f0a90f8587a7vboxsync }
29bdc01040c07a3dd482a94a2cb8f0a90f8587a7vboxsync HWACCMR0Term();
29bdc01040c07a3dd482a94a2cb8f0a90f8587a7vboxsync }
29bdc01040c07a3dd482a94a2cb8f0a90f8587a7vboxsync GMMR0Term();
29bdc01040c07a3dd482a94a2cb8f0a90f8587a7vboxsync }
29bdc01040c07a3dd482a94a2cb8f0a90f8587a7vboxsync GVMMR0Term();
29bdc01040c07a3dd482a94a2cb8f0a90f8587a7vboxsync }
9c11b89c71ca727d975c39f2719063501ddcd03dvboxsync
29bdc01040c07a3dd482a94a2cb8f0a90f8587a7vboxsync LogFlow(("ModuleInit: failed %Rrc\n", rc));
c24d5fdb5a1880e221ebde9d3f733903b9233596vboxsync return rc;
29bdc01040c07a3dd482a94a2cb8f0a90f8587a7vboxsync}
29bdc01040c07a3dd482a94a2cb8f0a90f8587a7vboxsync
29bdc01040c07a3dd482a94a2cb8f0a90f8587a7vboxsync
/**
* Terminate the module.
* This is called when we're finally unloaded.
*/
VMMR0DECL(void) ModuleTerm(void)
{
LogFlow(("ModuleTerm:\n"));
/*
* Destroy the internal networking instance.
*/
if (g_pIntNet)
{
INTNETR0Destroy(g_pIntNet);
g_pIntNet = NULL;
}
/*
* PGM (Darwin) and HWACCM global cleanup.
* Destroy the GMM and GVMM instances.
*/
#ifdef VBOX_WITH_2X_4GB_ADDR_SPACE
PGMR0DynMapTerm();
#endif
HWACCMR0Term();
GMMR0Term();
GVMMR0Term();
LogFlow(("ModuleTerm: returns\n"));
}
/**
* Initaties the R0 driver for a particular VM instance.
*
* @returns VBox status code.
*
* @param pVM The VM instance in question.
* @param uSvnRev The SVN revision of the ring-3 part.
* @thread EMT.
*/
static int vmmR0InitVM(PVM pVM, uint32_t uSvnRev)
{
/*
* Match the SVN revisions.
*/
if (uSvnRev != VMMGetSvnRev())
return VERR_VERSION_MISMATCH;
if ( !VALID_PTR(pVM)
|| pVM->pVMR0 != pVM)
return VERR_INVALID_PARAMETER;
/*
* Register the EMT R0 logger instance.
*/
PVMMR0LOGGER pR0Logger = pVM->vmm.s.pR0LoggerR0;
if (pR0Logger)
{
#if 0 /* testing of the logger. */
LogCom(("vmmR0InitVM: before %p\n", RTLogDefaultInstance()));
LogCom(("vmmR0InitVM: pfnFlush=%p actual=%p\n", pR0Logger->Logger.pfnFlush, vmmR0LoggerFlush));
LogCom(("vmmR0InitVM: pfnLogger=%p actual=%p\n", pR0Logger->Logger.pfnLogger, vmmR0LoggerWrapper));
LogCom(("vmmR0InitVM: offScratch=%d fFlags=%#x fDestFlags=%#x\n", pR0Logger->Logger.offScratch, pR0Logger->Logger.fFlags, pR0Logger->Logger.fDestFlags));
RTLogSetDefaultInstanceThread(&pR0Logger->Logger, (uintptr_t)pVM->pSession);
LogCom(("vmmR0InitVM: after %p reg\n", RTLogDefaultInstance()));
RTLogSetDefaultInstanceThread(NULL, 0);
LogCom(("vmmR0InitVM: after %p dereg\n", RTLogDefaultInstance()));
pR0Logger->Logger.pfnLogger("hello ring-0 logger\n");
LogCom(("vmmR0InitVM: returned succesfully from direct logger call.\n"));
pR0Logger->Logger.pfnFlush(&pR0Logger->Logger);
LogCom(("vmmR0InitVM: returned succesfully from direct flush call.\n"));
RTLogSetDefaultInstanceThread(&pR0Logger->Logger, (uintptr_t)pVM->pSession);
LogCom(("vmmR0InitVM: after %p reg2\n", RTLogDefaultInstance()));
pR0Logger->Logger.pfnLogger("hello ring-0 logger\n");
LogCom(("vmmR0InitVM: returned succesfully from direct logger call (2). offScratch=%d\n", pR0Logger->Logger.offScratch));
RTLogSetDefaultInstanceThread(NULL, 0);
LogCom(("vmmR0InitVM: after %p dereg2\n", RTLogDefaultInstance()));
RTLogLoggerEx(&pR0Logger->Logger, 0, ~0U, "hello ring-0 logger (RTLogLoggerEx)\n");
LogCom(("vmmR0InitVM: RTLogLoggerEx returned fine offScratch=%d\n", pR0Logger->Logger.offScratch));
RTLogSetDefaultInstanceThread(&pR0Logger->Logger, (uintptr_t)pVM->pSession);
RTLogPrintf("hello ring-0 logger (RTLogPrintf)\n");
LogCom(("vmmR0InitVM: RTLogPrintf returned fine offScratch=%d\n", pR0Logger->Logger.offScratch));
#endif
Log(("Switching to per-thread logging instance %p (key=%p)\n", &pR0Logger->Logger, pVM->pSession));
RTLogSetDefaultInstanceThread(&pR0Logger->Logger, (uintptr_t)pVM->pSession);
}
/*
* Initialize the per VM data for GVMM and GMM.
*/
int rc = GVMMR0InitVM(pVM);
// if (RT_SUCCESS(rc))
// rc = GMMR0InitPerVMData(pVM);
if (RT_SUCCESS(rc))
{
/*
* Init HWACCM, CPUM and PGM (Darwin only).
*/
rc = HWACCMR0InitVM(pVM);
if (RT_SUCCESS(rc))
{
rc = CPUMR0Init(pVM); /** @todo rename to CPUMR0InitVM */
if (RT_SUCCESS(rc))
{
#ifdef VBOX_WITH_2X_4GB_ADDR_SPACE
rc = PGMR0DynMapInitVM(pVM);
#endif
if (RT_SUCCESS(rc))
{
GVMMR0DoneInitVM(pVM);
return rc;
}
/* bail out */
}
HWACCMR0TermVM(pVM);
}
}
RTLogSetDefaultInstanceThread(NULL, 0);
return rc;
}
/**
* Terminates the R0 driver for a particular VM instance.
*
* This is normally called by ring-3 as part of the VM termination process, but
* may alternatively be called during the support driver session cleanup when
* the VM object is destroyed (see GVMM).
*
* @returns VBox status code.
*
* @param pVM The VM instance in question.
* @param pGVM Pointer to the global VM structure. Optional.
* @thread EMT or session clean up thread.
*/
VMMR0DECL(int) VMMR0TermVM(PVM pVM, PGVM pGVM)
{
/*
* Tell GVMM what we're up to and check that we only do this once.
*/
if (GVMMR0DoingTermVM(pVM, pGVM))
{
#ifdef VBOX_WITH_2X_4GB_ADDR_SPACE
PGMR0DynMapTermVM(pVM);
#endif
HWACCMR0TermVM(pVM);
}
/*
* Deregister the logger.
*/
RTLogSetDefaultInstanceThread(NULL, 0);
return VINF_SUCCESS;
}
/**
* Calls the ring-3 host code.
*
* @returns VBox status code of the ring-3 call.
* @param pVM The VM handle.
* @param enmOperation The operation.
* @param uArg The argument to the operation.
*/
VMMR0DECL(int) VMMR0CallHost(PVM pVM, VMMCALLHOST enmOperation, uint64_t uArg)
{
/** @todo profile this! */
pVM->vmm.s.enmCallHostOperation = enmOperation;
pVM->vmm.s.u64CallHostArg = uArg;
pVM->vmm.s.rcCallHost = VERR_INTERNAL_ERROR;
int rc = vmmR0CallHostLongJmp(&pVM->vmm.s.CallHostR0JmpBuf, VINF_VMM_CALL_HOST);
if (rc == VINF_SUCCESS)
rc = pVM->vmm.s.rcCallHost;
return rc;
}
#ifdef VBOX_WITH_STATISTICS
/**
* Record return code statistics
* @param pVM The VM handle.
* @param rc The status code.
*/
static void vmmR0RecordRC(PVM pVM, int rc)
{
/*
* Collect statistics.
*/
switch (rc)
{
case VINF_SUCCESS:
STAM_COUNTER_INC(&pVM->vmm.s.StatRZRetNormal);
break;
case VINF_EM_RAW_INTERRUPT:
STAM_COUNTER_INC(&pVM->vmm.s.StatRZRetInterrupt);
break;
case VINF_EM_RAW_INTERRUPT_HYPER:
STAM_COUNTER_INC(&pVM->vmm.s.StatRZRetInterruptHyper);
break;
case VINF_EM_RAW_GUEST_TRAP:
STAM_COUNTER_INC(&pVM->vmm.s.StatRZRetGuestTrap);
break;
case VINF_EM_RAW_RING_SWITCH:
STAM_COUNTER_INC(&pVM->vmm.s.StatRZRetRingSwitch);
break;
case VINF_EM_RAW_RING_SWITCH_INT:
STAM_COUNTER_INC(&pVM->vmm.s.StatRZRetRingSwitchInt);
break;
case VINF_EM_RAW_EXCEPTION_PRIVILEGED:
STAM_COUNTER_INC(&pVM->vmm.s.StatRZRetExceptionPrivilege);
break;
case VINF_EM_RAW_STALE_SELECTOR:
STAM_COUNTER_INC(&pVM->vmm.s.StatRZRetStaleSelector);
break;
case VINF_EM_RAW_IRET_TRAP:
STAM_COUNTER_INC(&pVM->vmm.s.StatRZRetIRETTrap);
break;
case VINF_IOM_HC_IOPORT_READ:
STAM_COUNTER_INC(&pVM->vmm.s.StatRZRetIORead);
break;
case VINF_IOM_HC_IOPORT_WRITE:
STAM_COUNTER_INC(&pVM->vmm.s.StatRZRetIOWrite);
break;
case VINF_IOM_HC_MMIO_READ:
STAM_COUNTER_INC(&pVM->vmm.s.StatRZRetMMIORead);
break;
case VINF_IOM_HC_MMIO_WRITE:
STAM_COUNTER_INC(&pVM->vmm.s.StatRZRetMMIOWrite);
break;
case VINF_IOM_HC_MMIO_READ_WRITE:
STAM_COUNTER_INC(&pVM->vmm.s.StatRZRetMMIOReadWrite);
break;
case VINF_PATM_HC_MMIO_PATCH_READ:
STAM_COUNTER_INC(&pVM->vmm.s.StatRZRetMMIOPatchRead);
break;
case VINF_PATM_HC_MMIO_PATCH_WRITE:
STAM_COUNTER_INC(&pVM->vmm.s.StatRZRetMMIOPatchWrite);
break;
case VINF_EM_RAW_EMULATE_INSTR:
STAM_COUNTER_INC(&pVM->vmm.s.StatRZRetEmulate);
break;
case VINF_PATCH_EMULATE_INSTR:
STAM_COUNTER_INC(&pVM->vmm.s.StatRZRetPatchEmulate);
break;
case VINF_EM_RAW_EMULATE_INSTR_LDT_FAULT:
STAM_COUNTER_INC(&pVM->vmm.s.StatRZRetLDTFault);
break;
case VINF_EM_RAW_EMULATE_INSTR_GDT_FAULT:
STAM_COUNTER_INC(&pVM->vmm.s.StatRZRetGDTFault);
break;
case VINF_EM_RAW_EMULATE_INSTR_IDT_FAULT:
STAM_COUNTER_INC(&pVM->vmm.s.StatRZRetIDTFault);
break;
case VINF_EM_RAW_EMULATE_INSTR_TSS_FAULT:
STAM_COUNTER_INC(&pVM->vmm.s.StatRZRetTSSFault);
break;
case VINF_EM_RAW_EMULATE_INSTR_PD_FAULT:
STAM_COUNTER_INC(&pVM->vmm.s.StatRZRetPDFault);
break;
case VINF_CSAM_PENDING_ACTION:
STAM_COUNTER_INC(&pVM->vmm.s.StatRZRetCSAMTask);
break;
case VINF_PGM_SYNC_CR3:
STAM_COUNTER_INC(&pVM->vmm.s.StatRZRetSyncCR3);
break;
case VINF_PATM_PATCH_INT3:
STAM_COUNTER_INC(&pVM->vmm.s.StatRZRetPatchInt3);
break;
case VINF_PATM_PATCH_TRAP_PF:
STAM_COUNTER_INC(&pVM->vmm.s.StatRZRetPatchPF);
break;
case VINF_PATM_PATCH_TRAP_GP:
STAM_COUNTER_INC(&pVM->vmm.s.StatRZRetPatchGP);
break;
case VINF_PATM_PENDING_IRQ_AFTER_IRET:
STAM_COUNTER_INC(&pVM->vmm.s.StatRZRetPatchIretIRQ);
break;
case VERR_REM_FLUSHED_PAGES_OVERFLOW:
STAM_COUNTER_INC(&pVM->vmm.s.StatRZRetPageOverflow);
break;
case VINF_EM_RESCHEDULE_REM:
STAM_COUNTER_INC(&pVM->vmm.s.StatRZRetRescheduleREM);
break;
case VINF_EM_RAW_TO_R3:
STAM_COUNTER_INC(&pVM->vmm.s.StatRZRetToR3);
break;
case VINF_EM_RAW_TIMER_PENDING:
STAM_COUNTER_INC(&pVM->vmm.s.StatRZRetTimerPending);
break;
case VINF_EM_RAW_INTERRUPT_PENDING:
STAM_COUNTER_INC(&pVM->vmm.s.StatRZRetInterruptPending);
break;
case VINF_VMM_CALL_HOST:
switch (pVM->vmm.s.enmCallHostOperation)
{
case VMMCALLHOST_PDM_LOCK:
STAM_COUNTER_INC(&pVM->vmm.s.StatRZCallPDMLock);
break;
case VMMCALLHOST_PDM_QUEUE_FLUSH:
STAM_COUNTER_INC(&pVM->vmm.s.StatRZCallPDMQueueFlush);
break;
case VMMCALLHOST_PGM_POOL_GROW:
STAM_COUNTER_INC(&pVM->vmm.s.StatRZCallPGMPoolGrow);
break;
case VMMCALLHOST_PGM_LOCK:
STAM_COUNTER_INC(&pVM->vmm.s.StatRZCallPGMLock);
break;
case VMMCALLHOST_PGM_MAP_CHUNK:
STAM_COUNTER_INC(&pVM->vmm.s.StatRZCallPGMMapChunk);
break;
case VMMCALLHOST_PGM_ALLOCATE_HANDY_PAGES:
STAM_COUNTER_INC(&pVM->vmm.s.StatRZCallPGMAllocHandy);
break;
#ifndef VBOX_WITH_NEW_PHYS_CODE
case VMMCALLHOST_PGM_RAM_GROW_RANGE:
STAM_COUNTER_INC(&pVM->vmm.s.StatRZCallPGMGrowRAM);
break;
#endif
case VMMCALLHOST_REM_REPLAY_HANDLER_NOTIFICATIONS:
STAM_COUNTER_INC(&pVM->vmm.s.StatRZCallRemReplay);
break;
case VMMCALLHOST_VMM_LOGGER_FLUSH:
STAM_COUNTER_INC(&pVM->vmm.s.StatRZCallLogFlush);
break;
case VMMCALLHOST_VM_SET_ERROR:
STAM_COUNTER_INC(&pVM->vmm.s.StatRZCallVMSetError);
break;
case VMMCALLHOST_VM_SET_RUNTIME_ERROR:
STAM_COUNTER_INC(&pVM->vmm.s.StatRZCallVMSetRuntimeError);
break;
case VMMCALLHOST_VM_R0_ASSERTION:
default:
STAM_COUNTER_INC(&pVM->vmm.s.StatRZRetCallHost);
break;
}
break;
case VINF_PATM_DUPLICATE_FUNCTION:
STAM_COUNTER_INC(&pVM->vmm.s.StatRZRetPATMDuplicateFn);
break;
case VINF_PGM_CHANGE_MODE:
STAM_COUNTER_INC(&pVM->vmm.s.StatRZRetPGMChangeMode);
break;
case VINF_EM_RAW_EMULATE_INSTR_HLT:
STAM_COUNTER_INC(&pVM->vmm.s.StatRZRetEmulHlt);
break;
case VINF_EM_PENDING_REQUEST:
STAM_COUNTER_INC(&pVM->vmm.s.StatRZRetPendingRequest);
break;
default:
STAM_COUNTER_INC(&pVM->vmm.s.StatRZRetMisc);
break;
}
}
#endif /* VBOX_WITH_STATISTICS */
/**
* Unused ring-0 entry point that used to be called from the interrupt gate.
*
* Will be removed one of the next times we do a major SUPDrv version bump.
*
* @returns VBox status code.
* @param pVM The VM to operate on.
* @param enmOperation Which operation to execute.
* @param pvArg Argument to the operation.
* @remarks Assume called with interrupts disabled.
*/
VMMR0DECL(int) VMMR0EntryInt(PVM pVM, VMMR0OPERATION enmOperation, void *pvArg)
{
switch (enmOperation)
{
default:
/*
* We're returning VERR_NOT_SUPPORT here so we've got something else
* than -1 which the interrupt gate glue code might return.
*/
Log(("operation %#x is not supported\n", enmOperation));
return VERR_NOT_SUPPORTED;
}
}
/**
* The Ring 0 entry point, called by the fast-ioctl path.
*
* @param pVM The VM to operate on.
* The return code is stored in pVM->vmm.s.iLastGZRc.
* @param idCpu VMCPU id.
* @param enmOperation Which operation to execute.
* @remarks Assume called with interrupts _enabled_.
*/
VMMR0DECL(void) VMMR0EntryFast(PVM pVM, unsigned idCpu, VMMR0OPERATION enmOperation)
{
if (RT_UNLIKELY(idCpu >= pVM->cCPUs))
{
pVM->vmm.s.iLastGZRc = VERR_INVALID_PARAMETER;
return;
}
switch (enmOperation)
{
/*
* Switch to GC and run guest raw mode code.
* Disable interrupts before doing the world switch.
*/
case VMMR0_DO_RAW_RUN:
{
/* Safety precaution as hwaccm disables the switcher. */
if (RT_LIKELY(!pVM->vmm.s.fSwitcherDisabled))
{
RTCCUINTREG uFlags = ASMIntDisableFlags();
TMNotifyStartOfExecution(pVM);
int rc = pVM->vmm.s.pfnHostToGuestR0(pVM);
pVM->vmm.s.iLastGZRc = rc;
TMNotifyEndOfExecution(pVM);
if ( rc == VINF_EM_RAW_INTERRUPT
|| rc == VINF_EM_RAW_INTERRUPT_HYPER)
TRPMR0DispatchHostInterrupt(pVM);
ASMSetFlags(uFlags);
#ifdef VBOX_WITH_STATISTICS
STAM_COUNTER_INC(&pVM->vmm.s.StatRunRC);
vmmR0RecordRC(pVM, rc);
#endif
}
else
{
Assert(!pVM->vmm.s.fSwitcherDisabled);
pVM->vmm.s.iLastGZRc = VERR_NOT_SUPPORTED;
}
break;
}
/*
* Run guest code using the available hardware acceleration technology.
*
* Disable interrupts before we do anything interesting. On Windows we avoid
* this by having the support driver raise the IRQL before calling us, this way
* we hope to get away with page faults and later calling into the kernel.
*/
case VMMR0_DO_HWACC_RUN:
{
int rc;
PVMCPU pVCpu = &pVM->aCpus[idCpu];
STAM_COUNTER_INC(&pVM->vmm.s.StatRunRC);
#ifndef RT_OS_WINDOWS /** @todo check other hosts */
RTCCUINTREG uFlags = ASMIntDisableFlags();
#endif
if (!HWACCMR0SuspendPending())
{
rc = HWACCMR0Enter(pVM, pVCpu);
if (RT_SUCCESS(rc))
{
rc = vmmR0CallHostSetJmp(&pVM->vmm.s.CallHostR0JmpBuf, HWACCMR0RunGuestCode, pVM, pVCpu); /* this may resume code. */
int rc2 = HWACCMR0Leave(pVM, pVCpu);
AssertRC(rc2);
}
}
else
{
/* System is about to go into suspend mode; go back to ring 3. */
rc = VINF_EM_RAW_INTERRUPT;
}
pVM->vmm.s.iLastGZRc = rc;
#ifndef RT_OS_WINDOWS /** @todo check other hosts */
ASMSetFlags(uFlags);
#endif
#ifdef VBOX_WITH_STATISTICS
vmmR0RecordRC(pVM, rc);
#endif
/* No special action required for external interrupts, just return. */
break;
}
/*
* For profiling.
*/
case VMMR0_DO_NOP:
pVM->vmm.s.iLastGZRc = VINF_SUCCESS;
break;
/*
* Impossible.
*/
default:
AssertMsgFailed(("%#x\n", enmOperation));
pVM->vmm.s.iLastGZRc = VERR_NOT_SUPPORTED;
break;
}
}
/**
* Validates a session or VM session argument.
*
* @returns true / false accordingly.
* @param pVM The VM argument.
* @param pSession The session argument.
*/
DECLINLINE(bool) vmmR0IsValidSession(PVM pVM, PSUPDRVSESSION pClaimedSession, PSUPDRVSESSION pSession)
{
/* This must be set! */
if (!pSession)
return false;
/* Only one out of the two. */
if (pVM && pClaimedSession)
return false;
if (pVM)
pClaimedSession = pVM->pSession;
return pClaimedSession == pSession;
}
/**
* VMMR0EntryEx worker function, either called directly or when ever possible
* called thru a longjmp so we can exit safely on failure.
*
* @returns VBox status code.
* @param pVM The VM to operate on.
* @param enmOperation Which operation to execute.
* @param pReqHdr This points to a SUPVMMR0REQHDR packet. Optional.
* The support driver validates this if it's present.
* @param u64Arg Some simple constant argument.
* @param pSession The session of the caller.
* @remarks Assume called with interrupts _enabled_.
*/
static int vmmR0EntryExWorker(PVM pVM, VMMR0OPERATION enmOperation, PSUPVMMR0REQHDR pReqHdr, uint64_t u64Arg, PSUPDRVSESSION pSession)
{
/*
* Common VM pointer validation.
*/
if (pVM)
{
if (RT_UNLIKELY( !VALID_PTR(pVM)
|| ((uintptr_t)pVM & PAGE_OFFSET_MASK)))
{
SUPR0Printf("vmmR0EntryExWorker: Invalid pVM=%p! (op=%d)\n", pVM, enmOperation);
return VERR_INVALID_POINTER;
}
if (RT_UNLIKELY( pVM->enmVMState < VMSTATE_CREATING
|| pVM->enmVMState > VMSTATE_TERMINATED
|| pVM->pVMR0 != pVM))
{
SUPR0Printf("vmmR0EntryExWorker: Invalid pVM=%p:{enmVMState=%d, .pVMR0=%p}! (op=%d)\n",
pVM, pVM->enmVMState, pVM->pVMR0, enmOperation);
return VERR_INVALID_POINTER;
}
}
switch (enmOperation)
{
/*
* GVM requests
*/
case VMMR0_DO_GVMM_CREATE_VM:
if (pVM || u64Arg)
return VERR_INVALID_PARAMETER;
return GVMMR0CreateVMReq((PGVMMCREATEVMREQ)pReqHdr);
case VMMR0_DO_GVMM_DESTROY_VM:
if (pReqHdr || u64Arg)
return VERR_INVALID_PARAMETER;
return GVMMR0DestroyVM(pVM);
case VMMR0_DO_GVMM_SCHED_HALT:
if (pReqHdr)
return VERR_INVALID_PARAMETER;
return GVMMR0SchedHalt(pVM, u64Arg);
case VMMR0_DO_GVMM_SCHED_WAKE_UP:
if (pReqHdr || u64Arg)
return VERR_INVALID_PARAMETER;
return GVMMR0SchedWakeUp(pVM);
case VMMR0_DO_GVMM_SCHED_POLL:
if (pReqHdr || u64Arg > 1)
return VERR_INVALID_PARAMETER;
return GVMMR0SchedPoll(pVM, !!u64Arg);
case VMMR0_DO_GVMM_QUERY_STATISTICS:
if (u64Arg)
return VERR_INVALID_PARAMETER;
return GVMMR0QueryStatisticsReq(pVM, (PGVMMQUERYSTATISTICSSREQ)pReqHdr);
case VMMR0_DO_GVMM_RESET_STATISTICS:
if (u64Arg)
return VERR_INVALID_PARAMETER;
return GVMMR0ResetStatisticsReq(pVM, (PGVMMRESETSTATISTICSSREQ)pReqHdr);
/*
* Initialize the R0 part of a VM instance.
*/
case VMMR0_DO_VMMR0_INIT:
return vmmR0InitVM(pVM, (uint32_t)u64Arg);
/*
* Terminate the R0 part of a VM instance.
*/
case VMMR0_DO_VMMR0_TERM:
return VMMR0TermVM(pVM, NULL);
/*
* Attempt to enable hwacc mode and check the current setting.
*
*/
case VMMR0_DO_HWACC_ENABLE:
return HWACCMR0EnableAllCpus(pVM, (HWACCMSTATE)u64Arg);
/*
* Setup the hardware accelerated raw-mode session.
*/
case VMMR0_DO_HWACC_SETUP_VM:
{
RTCCUINTREG fFlags = ASMIntDisableFlags();
int rc = HWACCMR0SetupVM(pVM);
ASMSetFlags(fFlags);
return rc;
}
/*
* Switch to GC to execute Hypervisor function.
*/
case VMMR0_DO_CALL_HYPERVISOR:
{
/* Safety precaution as HWACCM can disable the switcher. */
Assert(!pVM->vmm.s.fSwitcherDisabled);
if (RT_UNLIKELY(pVM->vmm.s.fSwitcherDisabled))
return VERR_NOT_SUPPORTED;
RTCCUINTREG fFlags = ASMIntDisableFlags();
int rc = pVM->vmm.s.pfnHostToGuestR0(pVM);
/** @todo dispatch interrupts? */
ASMSetFlags(fFlags);
return rc;
}
/*
* PGM wrappers.
*/
case VMMR0_DO_PGM_ALLOCATE_HANDY_PAGES:
return PGMR0PhysAllocateHandyPages(pVM);
/*
* GMM wrappers.
*/
case VMMR0_DO_GMM_INITIAL_RESERVATION:
if (u64Arg)
return VERR_INVALID_PARAMETER;
return GMMR0InitialReservationReq(pVM, (PGMMINITIALRESERVATIONREQ)pReqHdr);
case VMMR0_DO_GMM_UPDATE_RESERVATION:
if (u64Arg)
return VERR_INVALID_PARAMETER;
return GMMR0UpdateReservationReq(pVM, (PGMMUPDATERESERVATIONREQ)pReqHdr);
case VMMR0_DO_GMM_ALLOCATE_PAGES:
if (u64Arg)
return VERR_INVALID_PARAMETER;
return GMMR0AllocatePagesReq(pVM, (PGMMALLOCATEPAGESREQ)pReqHdr);
case VMMR0_DO_GMM_FREE_PAGES:
if (u64Arg)
return VERR_INVALID_PARAMETER;
return GMMR0FreePagesReq(pVM, (PGMMFREEPAGESREQ)pReqHdr);
case VMMR0_DO_GMM_BALLOONED_PAGES:
if (u64Arg)
return VERR_INVALID_PARAMETER;
return GMMR0BalloonedPagesReq(pVM, (PGMMBALLOONEDPAGESREQ)pReqHdr);
case VMMR0_DO_GMM_DEFLATED_BALLOON:
if (pReqHdr)
return VERR_INVALID_PARAMETER;
return GMMR0DeflatedBalloon(pVM, (uint32_t)u64Arg);
case VMMR0_DO_GMM_MAP_UNMAP_CHUNK:
if (u64Arg)
return VERR_INVALID_PARAMETER;
return GMMR0MapUnmapChunkReq(pVM, (PGMMMAPUNMAPCHUNKREQ)pReqHdr);
case VMMR0_DO_GMM_SEED_CHUNK:
if (pReqHdr)
return VERR_INVALID_PARAMETER;
return GMMR0SeedChunk(pVM, (RTR3PTR)u64Arg);
/*
* A quick GCFGM mock-up.
*/
/** @todo GCFGM with proper access control, ring-3 management interface and all that. */
case VMMR0_DO_GCFGM_SET_VALUE:
case VMMR0_DO_GCFGM_QUERY_VALUE:
{
if (pVM || !pReqHdr || u64Arg)
return VERR_INVALID_PARAMETER;
PGCFGMVALUEREQ pReq = (PGCFGMVALUEREQ)pReqHdr;
if (pReq->Hdr.cbReq != sizeof(*pReq))
return VERR_INVALID_PARAMETER;
int rc;
if (enmOperation == VMMR0_DO_GCFGM_SET_VALUE)
{
rc = GVMMR0SetConfig(pReq->pSession, &pReq->szName[0], pReq->u64Value);
//if (rc == VERR_CFGM_VALUE_NOT_FOUND)
// rc = GMMR0SetConfig(pReq->pSession, &pReq->szName[0], pReq->u64Value);
}
else
{
rc = GVMMR0QueryConfig(pReq->pSession, &pReq->szName[0], &pReq->u64Value);
//if (rc == VERR_CFGM_VALUE_NOT_FOUND)
// rc = GMMR0QueryConfig(pReq->pSession, &pReq->szName[0], &pReq->u64Value);
}
return rc;
}
/*
* Requests to the internal networking service.
*/
case VMMR0_DO_INTNET_OPEN:
{
PINTNETOPENREQ pReq = (PINTNETOPENREQ)pReqHdr;
if (u64Arg || !pReq || !vmmR0IsValidSession(pVM, pReq->pSession, pSession))
return VERR_INVALID_PARAMETER;
if (!g_pIntNet)
return VERR_NOT_SUPPORTED;
return INTNETR0OpenReq(g_pIntNet, pSession, pReq);
}
case VMMR0_DO_INTNET_IF_CLOSE:
if (u64Arg || !pReqHdr || !vmmR0IsValidSession(pVM, ((PINTNETIFCLOSEREQ)pReqHdr)->pSession, pSession))
return VERR_INVALID_PARAMETER;
if (!g_pIntNet)
return VERR_NOT_SUPPORTED;
return INTNETR0IfCloseReq(g_pIntNet, pSession, (PINTNETIFCLOSEREQ)pReqHdr);
case VMMR0_DO_INTNET_IF_GET_RING3_BUFFER:
if (u64Arg || !pReqHdr || !vmmR0IsValidSession(pVM, ((PINTNETIFGETRING3BUFFERREQ)pReqHdr)->pSession, pSession))
return VERR_INVALID_PARAMETER;
if (!g_pIntNet)
return VERR_NOT_SUPPORTED;
return INTNETR0IfGetRing3BufferReq(g_pIntNet, pSession, (PINTNETIFGETRING3BUFFERREQ)pReqHdr);
case VMMR0_DO_INTNET_IF_SET_PROMISCUOUS_MODE:
if (u64Arg || !pReqHdr || !vmmR0IsValidSession(pVM, ((PINTNETIFSETPROMISCUOUSMODEREQ)pReqHdr)->pSession, pSession))
return VERR_INVALID_PARAMETER;
if (!g_pIntNet)
return VERR_NOT_SUPPORTED;
return INTNETR0IfSetPromiscuousModeReq(g_pIntNet, pSession, (PINTNETIFSETPROMISCUOUSMODEREQ)pReqHdr);
case VMMR0_DO_INTNET_IF_SET_MAC_ADDRESS:
if (u64Arg || !pReqHdr || !vmmR0IsValidSession(pVM, ((PINTNETIFSETMACADDRESSREQ)pReqHdr)->pSession, pSession))
return VERR_INVALID_PARAMETER;
if (!g_pIntNet)
return VERR_NOT_SUPPORTED;
return INTNETR0IfSetMacAddressReq(g_pIntNet, pSession, (PINTNETIFSETMACADDRESSREQ)pReqHdr);
case VMMR0_DO_INTNET_IF_SET_ACTIVE:
if (u64Arg || !pReqHdr || !vmmR0IsValidSession(pVM, ((PINTNETIFSETACTIVEREQ)pReqHdr)->pSession, pSession))
return VERR_INVALID_PARAMETER;
if (!g_pIntNet)
return VERR_NOT_SUPPORTED;
return INTNETR0IfSetActiveReq(g_pIntNet, pSession, (PINTNETIFSETACTIVEREQ)pReqHdr);
case VMMR0_DO_INTNET_IF_SEND:
if (u64Arg || !pReqHdr || !vmmR0IsValidSession(pVM, ((PINTNETIFSENDREQ)pReqHdr)->pSession, pSession))
return VERR_INVALID_PARAMETER;
if (!g_pIntNet)
return VERR_NOT_SUPPORTED;
return INTNETR0IfSendReq(g_pIntNet, pSession, (PINTNETIFSENDREQ)pReqHdr);
case VMMR0_DO_INTNET_IF_WAIT:
if (u64Arg || !pReqHdr || !vmmR0IsValidSession(pVM, ((PINTNETIFWAITREQ)pReqHdr)->pSession, pSession))
return VERR_INVALID_PARAMETER;
if (!g_pIntNet)
return VERR_NOT_SUPPORTED;
return INTNETR0IfWaitReq(g_pIntNet, pSession, (PINTNETIFWAITREQ)pReqHdr);
/*
* For profiling.
*/
case VMMR0_DO_NOP:
case VMMR0_DO_SLOW_NOP:
return VINF_SUCCESS;
/*
* For testing Ring-0 APIs invoked in this environment.
*/
case VMMR0_DO_TESTS:
/** @todo make new test */
return VINF_SUCCESS;
#if HC_ARCH_BITS == 32 && defined(VBOX_WITH_64_BITS_GUESTS) && !defined(VBOX_WITH_HYBRID_32BIT_KERNEL)
case VMMR0_DO_TEST_SWITCHER3264:
return HWACCMR0TestSwitcher3264(pVM);
#endif
default:
/*
* We're returning VERR_NOT_SUPPORT here so we've got something else
* than -1 which the interrupt gate glue code might return.
*/
Log(("operation %#x is not supported\n", enmOperation));
return VERR_NOT_SUPPORTED;
}
}
/**
* Argument for vmmR0EntryExWrapper containing the argument s ofr VMMR0EntryEx.
*/
typedef struct VMMR0ENTRYEXARGS
{
PVM pVM;
VMMR0OPERATION enmOperation;
PSUPVMMR0REQHDR pReq;
uint64_t u64Arg;
PSUPDRVSESSION pSession;
} VMMR0ENTRYEXARGS;
/** Pointer to a vmmR0EntryExWrapper argument package. */
typedef VMMR0ENTRYEXARGS *PVMMR0ENTRYEXARGS;
/**
* This is just a longjmp wrapper function for VMMR0EntryEx calls.
*
* @returns VBox status code.
* @param pvArgs The argument package
*/
static int vmmR0EntryExWrapper(void *pvArgs)
{
return vmmR0EntryExWorker(((PVMMR0ENTRYEXARGS)pvArgs)->pVM,
((PVMMR0ENTRYEXARGS)pvArgs)->enmOperation,
((PVMMR0ENTRYEXARGS)pvArgs)->pReq,
((PVMMR0ENTRYEXARGS)pvArgs)->u64Arg,
((PVMMR0ENTRYEXARGS)pvArgs)->pSession);
}
/**
* The Ring 0 entry point, called by the support library (SUP).
*
* @returns VBox status code.
* @param pVM The VM to operate on.
* @param enmOperation Which operation to execute.
* @param pReq This points to a SUPVMMR0REQHDR packet. Optional.
* @param u64Arg Some simple constant argument.
* @param pSession The session of the caller.
* @remarks Assume called with interrupts _enabled_.
*/
VMMR0DECL(int) VMMR0EntryEx(PVM pVM, VMMR0OPERATION enmOperation, PSUPVMMR0REQHDR pReq, uint64_t u64Arg, PSUPDRVSESSION pSession)
{
/*
* Requests that should only happen on the EMT thread will be
* wrapped in a setjmp so we can assert without causing trouble.
*/
if ( VALID_PTR(pVM)
&& pVM->pVMR0)
{
switch (enmOperation)
{
/* These might/will be called before VMMR3Init. */
case VMMR0_DO_GMM_INITIAL_RESERVATION:
case VMMR0_DO_GMM_UPDATE_RESERVATION:
case VMMR0_DO_GMM_ALLOCATE_PAGES:
case VMMR0_DO_GMM_FREE_PAGES:
case VMMR0_DO_GMM_BALLOONED_PAGES:
case VMMR0_DO_GMM_DEFLATED_BALLOON:
case VMMR0_DO_GMM_MAP_UNMAP_CHUNK:
case VMMR0_DO_GMM_SEED_CHUNK:
/* On the mac we might not have a valid jmp buf, so check these as well. */
case VMMR0_DO_VMMR0_INIT:
case VMMR0_DO_VMMR0_TERM:
{
if (!pVM->vmm.s.CallHostR0JmpBuf.pvSavedStack)
break;
/** @todo validate this EMT claim... GVM knows. */
VMMR0ENTRYEXARGS Args;
Args.pVM = pVM;
Args.enmOperation = enmOperation;
Args.pReq = pReq;
Args.u64Arg = u64Arg;
Args.pSession = pSession;
return vmmR0CallHostSetJmpEx(&pVM->vmm.s.CallHostR0JmpBuf, vmmR0EntryExWrapper, &Args);
}
default:
break;
}
}
return vmmR0EntryExWorker(pVM, enmOperation, pReq, u64Arg, pSession);
}
/**
* Internal R0 logger worker: Flush logger.
*
* @param pLogger The logger instance to flush.
* @remark This function must be exported!
*/
VMMR0DECL(void) vmmR0LoggerFlush(PRTLOGGER pLogger)
{
/*
* Convert the pLogger into a VM handle and 'call' back to Ring-3.
* (This is a bit paranoid code.)
*/
PVMMR0LOGGER pR0Logger = (PVMMR0LOGGER)((uintptr_t)pLogger - RT_OFFSETOF(VMMR0LOGGER, Logger));
if ( !VALID_PTR(pR0Logger)
|| !VALID_PTR(pR0Logger + 1)
|| pLogger->u32Magic != RTLOGGER_MAGIC)
{
#ifdef DEBUG
SUPR0Printf("vmmR0LoggerFlush: pLogger=%p!\n", pLogger);
#endif
return;
}
if (pR0Logger->fFlushingDisabled)
return; /* quietly */
PVM pVM = pR0Logger->pVM;
if ( !VALID_PTR(pVM)
|| pVM->pVMR0 != pVM)
{
#ifdef DEBUG
SUPR0Printf("vmmR0LoggerFlush: pVM=%p! pVMR0=%p! pLogger=%p\n", pVM, pVM->pVMR0, pLogger);
#endif
return;
}
/*
* Check that the jump buffer is armed.
*/
#ifdef RT_ARCH_X86
if (!pVM->vmm.s.CallHostR0JmpBuf.eip)
#else
if (!pVM->vmm.s.CallHostR0JmpBuf.rip)
#endif
{
#ifdef DEBUG
SUPR0Printf("vmmR0LoggerFlush: Jump buffer isn't armed!\n");
#endif
return;
}
VMMR0CallHost(pVM, VMMCALLHOST_VMM_LOGGER_FLUSH, 0);
}
/**
* Disables flushing of the ring-0 debug log.
*
* @param pVCpu The shared virtual cpu structure.
*/
VMMR0DECL(void) VMMR0LogFlushDisable(PVMCPU pVCpu)
{
PVM pVM = pVCpu->pVMR0;
if (pVM->vmm.s.pR0LoggerR0)
pVM->vmm.s.pR0LoggerR0->fFlushingDisabled = true;
}
/**
* Enables flushing of the ring-0 debug log.
*
* @param pVCpu The shared virtual cpu structure.
*/
VMMR0DECL(void) VMMR0LogFlushEnable(PVMCPU pVCpu)
{
PVM pVM = pVCpu->pVMR0;
if (pVM->vmm.s.pR0LoggerR0)
pVM->vmm.s.pR0LoggerR0->fFlushingDisabled = false;
}
/**
* Jump back to ring-3 if we're the EMT and the longjmp is armed.
*
* @returns true if the breakpoint should be hit, false if it should be ignored.
*/
DECLEXPORT(bool) RTCALL RTAssertShouldPanic(void)
{
#if 0
return true;
#else
PVM pVM = GVMMR0GetVMByEMT(NIL_RTNATIVETHREAD);
if (pVM)
{
#ifdef RT_ARCH_X86
if (pVM->vmm.s.CallHostR0JmpBuf.eip)
#else
if (pVM->vmm.s.CallHostR0JmpBuf.rip)
#endif
{
int rc = VMMR0CallHost(pVM, VMMCALLHOST_VM_R0_ASSERTION, 0);
return RT_FAILURE_NP(rc);
}
}
#ifdef RT_OS_LINUX
return true;
#else
return false;
#endif
#endif
}
/**
* Override this so we can push it up to ring-3.
*
* @param pszExpr Expression. Can be NULL.
* @param uLine Location line number.
* @param pszFile Location file name.
* @param pszFunction Location function name.
*/
DECLEXPORT(void) RTCALL AssertMsg1(const char *pszExpr, unsigned uLine, const char *pszFile, const char *pszFunction)
{
#if !defined(DEBUG_sandervl) && !defined(RT_OS_DARWIN)
SUPR0Printf("\n!!R0-Assertion Failed!!\n"
"Expression: %s\n"
"Location : %s(%d) %s\n",
pszExpr, pszFile, uLine, pszFunction);
#endif
LogAlways(("\n!!R0-Assertion Failed!!\n"
"Expression: %s\n"
"Location : %s(%d) %s\n",
pszExpr, pszFile, uLine, pszFunction));
PVM pVM = GVMMR0GetVMByEMT(NIL_RTNATIVETHREAD);
if (pVM)
RTStrPrintf(pVM->vmm.s.szRing0AssertMsg1, sizeof(pVM->vmm.s.szRing0AssertMsg1),
"\n!!R0-Assertion Failed!!\n"
"Expression: %s\n"
"Location : %s(%d) %s\n",
pszExpr, pszFile, uLine, pszFunction);
#ifdef RT_OS_DARWIN
RTAssertMsg1(pszExpr, uLine, pszFile, pszFunction);
#endif
}
/**
* Callback for RTLogFormatV which writes to the ring-3 log port.
* See PFNLOGOUTPUT() for details.
*/
static DECLCALLBACK(size_t) rtLogOutput(void *pv, const char *pachChars, size_t cbChars)
{
for (size_t i = 0; i < cbChars; i++)
{
#if !defined(DEBUG_sandervl) && !defined(RT_OS_DARWIN)
SUPR0Printf("%c", pachChars[i]);
#endif
LogAlways(("%c", pachChars[i]));
}
return cbChars;
}
DECLEXPORT(void) RTCALL AssertMsg2(const char *pszFormat, ...)
{
va_list va;
PRTLOGGER pLog = RTLogDefaultInstance(); /** @todo we want this for release as well! */
if (pLog)
{
va_start(va, pszFormat);
RTLogFormatV(rtLogOutput, pLog, pszFormat, va);
va_end(va);
PVM pVM = GVMMR0GetVMByEMT(NIL_RTNATIVETHREAD);
if (pVM)
{
va_start(va, pszFormat);
RTStrPrintfV(pVM->vmm.s.szRing0AssertMsg2, sizeof(pVM->vmm.s.szRing0AssertMsg2), pszFormat, va);
va_end(va);
}
}
#ifdef RT_OS_DARWIN
va_start(va, pszFormat);
RTAssertMsg2V(pszFormat, va);
va_end(va);
#endif
}