/* $Id: VMM.cpp 20008 2009-05-25 18:34:43Z vboxsync $ */ /** @file * VMM - The Virtual Machine Monitor Core. */ /* * 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. */ //#define NO_SUPCALLR0VMM /** @page pg_vmm VMM - The Virtual Machine Monitor * * The VMM component is two things at the moment, it's a component doing a few * management and routing tasks, and it's the whole virtual machine monitor * thing. For hysterical reasons, it is not doing all the management that one * would expect, this is instead done by @ref pg_vm. We'll address this * misdesign eventually. * * @see grp_vmm, grp_vm * * * @section sec_vmmstate VMM State * * @image html VM_Statechart_Diagram.gif * * To be written. * * * @subsection subsec_vmm_init VMM Initialization * * To be written. * * * @subsection subsec_vmm_term VMM Termination * * To be written. * */ /******************************************************************************* * Header Files * *******************************************************************************/ #define LOG_GROUP LOG_GROUP_VMM #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include "VMMInternal.h" #include "VMMSwitcher/VMMSwitcher.h" #include #include #include #include #include #include #include #include #include #include #include #include #include #include /** The saved state version. */ #define VMM_SAVED_STATE_VERSION 3 /******************************************************************************* * Internal Functions * *******************************************************************************/ static int vmmR3InitStacks(PVM pVM); static int vmmR3InitLoggers(PVM pVM); static void vmmR3InitRegisterStats(PVM pVM); static DECLCALLBACK(int) vmmR3Save(PVM pVM, PSSMHANDLE pSSM); static DECLCALLBACK(int) vmmR3Load(PVM pVM, PSSMHANDLE pSSM, uint32_t u32Version); static DECLCALLBACK(void) vmmR3YieldEMT(PVM pVM, PTMTIMER pTimer, void *pvUser); static int vmmR3ServiceCallHostRequest(PVM pVM, PVMCPU pVCpu); static DECLCALLBACK(void) vmmR3InfoFF(PVM pVM, PCDBGFINFOHLP pHlp, const char *pszArgs); /** * Initializes the VMM. * * @returns VBox status code. * @param pVM The VM to operate on. */ VMMR3DECL(int) VMMR3Init(PVM pVM) { LogFlow(("VMMR3Init\n")); /* * Assert alignment, sizes and order. */ AssertMsg(pVM->vmm.s.offVM == 0, ("Already initialized!\n")); AssertCompile(sizeof(pVM->vmm.s) <= sizeof(pVM->vmm.padding)); AssertCompile(sizeof(pVM->aCpus[0].vmm.s) <= sizeof(pVM->aCpus[0].vmm.padding)); /* * Init basic VM VMM members. */ pVM->vmm.s.offVM = RT_OFFSETOF(VM, vmm); int rc = CFGMR3QueryU32(CFGMR3GetRoot(pVM), "YieldEMTInterval", &pVM->vmm.s.cYieldEveryMillies); if (rc == VERR_CFGM_VALUE_NOT_FOUND) pVM->vmm.s.cYieldEveryMillies = 23; /* Value arrived at after experimenting with the grub boot prompt. */ //pVM->vmm.s.cYieldEveryMillies = 8; //debugging else AssertMsgRCReturn(rc, ("Configuration error. Failed to query \"YieldEMTInterval\", rc=%Rrc\n", rc), rc); /* * Initialize the VMM sync critical section. */ rc = RTCritSectInit(&pVM->vmm.s.CritSectSync); AssertRCReturn(rc, rc); /* GC switchers are enabled by default. Turned off by HWACCM. */ pVM->vmm.s.fSwitcherDisabled = false; /* * Register the saved state data unit. */ rc = SSMR3RegisterInternal(pVM, "vmm", 1, VMM_SAVED_STATE_VERSION, VMM_STACK_SIZE + sizeof(RTGCPTR), NULL, vmmR3Save, NULL, NULL, vmmR3Load, NULL); if (RT_FAILURE(rc)) return rc; /* * Register the Ring-0 VM handle with the session for fast ioctl calls. */ rc = SUPSetVMForFastIOCtl(pVM->pVMR0); if (RT_FAILURE(rc)) return rc; /* * Init various sub-components. */ rc = vmmR3SwitcherInit(pVM); if (RT_SUCCESS(rc)) { rc = vmmR3InitStacks(pVM); if (RT_SUCCESS(rc)) { rc = vmmR3InitLoggers(pVM); #ifdef VBOX_WITH_NMI /* * Allocate mapping for the host APIC. */ if (RT_SUCCESS(rc)) { rc = MMR3HyperReserve(pVM, PAGE_SIZE, "Host APIC", &pVM->vmm.s.GCPtrApicBase); AssertRC(rc); } #endif if (RT_SUCCESS(rc)) { /* * Debug info and statistics. */ DBGFR3InfoRegisterInternal(pVM, "ff", "Displays the current Forced actions Flags.", vmmR3InfoFF); vmmR3InitRegisterStats(pVM); return VINF_SUCCESS; } } /** @todo: Need failure cleanup. */ //more todo in here? //if (RT_SUCCESS(rc)) //{ //} //int rc2 = vmmR3TermCoreCode(pVM); //AssertRC(rc2)); } return rc; } /** * Allocate & setup the VMM RC stack(s) (for EMTs). * * The stacks are also used for long jumps in Ring-0. * * @returns VBox status code. * @param pVM Pointer to the shared VM structure. * * @remarks The optional guard page gets it protection setup up during R3 init * completion because of init order issues. */ static int vmmR3InitStacks(PVM pVM) { int rc = VINF_SUCCESS; for (VMCPUID idCpu = 0; idCpu < pVM->cCPUs; idCpu++) { PVMCPU pVCpu = &pVM->aCpus[idCpu]; #ifdef VBOX_STRICT_VMM_STACK rc = MMR3HyperAllocOnceNoRel(pVM, VMM_STACK_SIZE + PAGE_SIZE + PAGE_SIZE, PAGE_SIZE, MM_TAG_VMM, (void **)&pVCpu->vmm.s.pbEMTStackR3); #else rc = MMR3HyperAllocOnceNoRel(pVM, VMM_STACK_SIZE, PAGE_SIZE, MM_TAG_VMM, (void **)&pVCpu->vmm.s.pbEMTStackR3); #endif if (RT_SUCCESS(rc)) { #ifdef VBOX_WITH_2X_4GB_ADDR_SPACE /* MMHyperR3ToR0 returns R3 when not doing hardware assisted virtualization. */ if (!VMMIsHwVirtExtForced(pVM)) pVCpu->vmm.s.CallHostR0JmpBuf.pvSavedStack = NIL_RTR0PTR; else #endif pVCpu->vmm.s.CallHostR0JmpBuf.pvSavedStack = MMHyperR3ToR0(pVM, pVCpu->vmm.s.pbEMTStackR3); pVCpu->vmm.s.pbEMTStackRC = MMHyperR3ToRC(pVM, pVCpu->vmm.s.pbEMTStackR3); pVCpu->vmm.s.pbEMTStackBottomRC = pVCpu->vmm.s.pbEMTStackRC + VMM_STACK_SIZE; AssertRelease(pVCpu->vmm.s.pbEMTStackRC); CPUMSetHyperESP(pVCpu, pVCpu->vmm.s.pbEMTStackBottomRC); } } return rc; } /** * Initialize the loggers. * * @returns VBox status code. * @param pVM Pointer to the shared VM structure. */ static int vmmR3InitLoggers(PVM pVM) { int rc; /* * Allocate RC & R0 Logger instances (they are finalized in the relocator). */ #ifdef LOG_ENABLED PRTLOGGER pLogger = RTLogDefaultInstance(); if (pLogger) { pVM->vmm.s.cbRCLogger = RT_OFFSETOF(RTLOGGERRC, afGroups[pLogger->cGroups]); rc = MMR3HyperAllocOnceNoRel(pVM, pVM->vmm.s.cbRCLogger, 0, MM_TAG_VMM, (void **)&pVM->vmm.s.pRCLoggerR3); if (RT_FAILURE(rc)) return rc; pVM->vmm.s.pRCLoggerRC = MMHyperR3ToRC(pVM, pVM->vmm.s.pRCLoggerR3); # ifdef VBOX_WITH_R0_LOGGING for (unsigned i = 0; i < pVM->cCPUs; i++) { PVMCPU pVCpu = &pVM->aCpus[i]; rc = MMR3HyperAllocOnceNoRel(pVM, RT_OFFSETOF(VMMR0LOGGER, Logger.afGroups[pLogger->cGroups]), 0, MM_TAG_VMM, (void **)&pVCpu->vmm.s.pR0LoggerR3); if (RT_FAILURE(rc)) return rc; pVCpu->vmm.s.pR0LoggerR3->pVM = pVM->pVMR0; //pVCpu->vmm.s.pR0LoggerR3->fCreated = false; pVCpu->vmm.s.pR0LoggerR3->cbLogger = RT_OFFSETOF(RTLOGGER, afGroups[pLogger->cGroups]); pVCpu->vmm.s.pR0LoggerR0 = MMHyperR3ToR0(pVM, pVCpu->vmm.s.pR0LoggerR3); } # endif } #endif /* LOG_ENABLED */ #ifdef VBOX_WITH_RC_RELEASE_LOGGING /* * Allocate RC release logger instances (finalized in the relocator). */ PRTLOGGER pRelLogger = RTLogRelDefaultInstance(); if (pRelLogger) { pVM->vmm.s.cbRCRelLogger = RT_OFFSETOF(RTLOGGERRC, afGroups[pRelLogger->cGroups]); rc = MMR3HyperAllocOnceNoRel(pVM, pVM->vmm.s.cbRCRelLogger, 0, MM_TAG_VMM, (void **)&pVM->vmm.s.pRCRelLoggerR3); if (RT_FAILURE(rc)) return rc; pVM->vmm.s.pRCRelLoggerRC = MMHyperR3ToRC(pVM, pVM->vmm.s.pRCRelLoggerR3); } #endif /* VBOX_WITH_RC_RELEASE_LOGGING */ return VINF_SUCCESS; } /** * VMMR3Init worker that register the statistics with STAM. * * @param pVM The shared VM structure. */ static void vmmR3InitRegisterStats(PVM pVM) { /* * Statistics. */ STAM_REG(pVM, &pVM->vmm.s.StatRunRC, STAMTYPE_COUNTER, "/VMM/RunRC", STAMUNIT_OCCURENCES, "Number of context switches."); STAM_REG(pVM, &pVM->vmm.s.StatRZRetNormal, STAMTYPE_COUNTER, "/VMM/RZRet/Normal", STAMUNIT_OCCURENCES, "Number of VINF_SUCCESS returns."); STAM_REG(pVM, &pVM->vmm.s.StatRZRetInterrupt, STAMTYPE_COUNTER, "/VMM/RZRet/Interrupt", STAMUNIT_OCCURENCES, "Number of VINF_EM_RAW_INTERRUPT returns."); STAM_REG(pVM, &pVM->vmm.s.StatRZRetInterruptHyper, STAMTYPE_COUNTER, "/VMM/RZRet/InterruptHyper", STAMUNIT_OCCURENCES, "Number of VINF_EM_RAW_INTERRUPT_HYPER returns."); STAM_REG(pVM, &pVM->vmm.s.StatRZRetGuestTrap, STAMTYPE_COUNTER, "/VMM/RZRet/GuestTrap", STAMUNIT_OCCURENCES, "Number of VINF_EM_RAW_GUEST_TRAP returns."); STAM_REG(pVM, &pVM->vmm.s.StatRZRetRingSwitch, STAMTYPE_COUNTER, "/VMM/RZRet/RingSwitch", STAMUNIT_OCCURENCES, "Number of VINF_EM_RAW_RING_SWITCH returns."); STAM_REG(pVM, &pVM->vmm.s.StatRZRetRingSwitchInt, STAMTYPE_COUNTER, "/VMM/RZRet/RingSwitchInt", STAMUNIT_OCCURENCES, "Number of VINF_EM_RAW_RING_SWITCH_INT returns."); STAM_REG(pVM, &pVM->vmm.s.StatRZRetExceptionPrivilege, STAMTYPE_COUNTER, "/VMM/RZRet/ExceptionPrivilege", STAMUNIT_OCCURENCES, "Number of VINF_EM_RAW_EXCEPTION_PRIVILEGED returns."); STAM_REG(pVM, &pVM->vmm.s.StatRZRetStaleSelector, STAMTYPE_COUNTER, "/VMM/RZRet/StaleSelector", STAMUNIT_OCCURENCES, "Number of VINF_EM_RAW_STALE_SELECTOR returns."); STAM_REG(pVM, &pVM->vmm.s.StatRZRetIRETTrap, STAMTYPE_COUNTER, "/VMM/RZRet/IRETTrap", STAMUNIT_OCCURENCES, "Number of VINF_EM_RAW_IRET_TRAP returns."); STAM_REG(pVM, &pVM->vmm.s.StatRZRetEmulate, STAMTYPE_COUNTER, "/VMM/RZRet/Emulate", STAMUNIT_OCCURENCES, "Number of VINF_EM_EXECUTE_INSTRUCTION returns."); STAM_REG(pVM, &pVM->vmm.s.StatRZRetIOBlockEmulate, STAMTYPE_COUNTER, "/VMM/RZRet/EmulateIOBlock", STAMUNIT_OCCURENCES, "Number of VINF_EM_RAW_EMULATE_IO_BLOCK returns."); STAM_REG(pVM, &pVM->vmm.s.StatRZRetPatchEmulate, STAMTYPE_COUNTER, "/VMM/RZRet/PatchEmulate", STAMUNIT_OCCURENCES, "Number of VINF_PATCH_EMULATE_INSTR returns."); STAM_REG(pVM, &pVM->vmm.s.StatRZRetIORead, STAMTYPE_COUNTER, "/VMM/RZRet/IORead", STAMUNIT_OCCURENCES, "Number of VINF_IOM_HC_IOPORT_READ returns."); STAM_REG(pVM, &pVM->vmm.s.StatRZRetIOWrite, STAMTYPE_COUNTER, "/VMM/RZRet/IOWrite", STAMUNIT_OCCURENCES, "Number of VINF_IOM_HC_IOPORT_WRITE returns."); STAM_REG(pVM, &pVM->vmm.s.StatRZRetMMIORead, STAMTYPE_COUNTER, "/VMM/RZRet/MMIORead", STAMUNIT_OCCURENCES, "Number of VINF_IOM_HC_MMIO_READ returns."); STAM_REG(pVM, &pVM->vmm.s.StatRZRetMMIOWrite, STAMTYPE_COUNTER, "/VMM/RZRet/MMIOWrite", STAMUNIT_OCCURENCES, "Number of VINF_IOM_HC_MMIO_WRITE returns."); STAM_REG(pVM, &pVM->vmm.s.StatRZRetMMIOReadWrite, STAMTYPE_COUNTER, "/VMM/RZRet/MMIOReadWrite", STAMUNIT_OCCURENCES, "Number of VINF_IOM_HC_MMIO_READ_WRITE returns."); STAM_REG(pVM, &pVM->vmm.s.StatRZRetMMIOPatchRead, STAMTYPE_COUNTER, "/VMM/RZRet/MMIOPatchRead", STAMUNIT_OCCURENCES, "Number of VINF_IOM_HC_MMIO_PATCH_READ returns."); STAM_REG(pVM, &pVM->vmm.s.StatRZRetMMIOPatchWrite, STAMTYPE_COUNTER, "/VMM/RZRet/MMIOPatchWrite", STAMUNIT_OCCURENCES, "Number of VINF_IOM_HC_MMIO_PATCH_WRITE returns."); STAM_REG(pVM, &pVM->vmm.s.StatRZRetLDTFault, STAMTYPE_COUNTER, "/VMM/RZRet/LDTFault", STAMUNIT_OCCURENCES, "Number of VINF_EM_EXECUTE_INSTRUCTION_GDT_FAULT returns."); STAM_REG(pVM, &pVM->vmm.s.StatRZRetGDTFault, STAMTYPE_COUNTER, "/VMM/RZRet/GDTFault", STAMUNIT_OCCURENCES, "Number of VINF_EM_EXECUTE_INSTRUCTION_LDT_FAULT returns."); STAM_REG(pVM, &pVM->vmm.s.StatRZRetIDTFault, STAMTYPE_COUNTER, "/VMM/RZRet/IDTFault", STAMUNIT_OCCURENCES, "Number of VINF_EM_EXECUTE_INSTRUCTION_IDT_FAULT returns."); STAM_REG(pVM, &pVM->vmm.s.StatRZRetTSSFault, STAMTYPE_COUNTER, "/VMM/RZRet/TSSFault", STAMUNIT_OCCURENCES, "Number of VINF_EM_EXECUTE_INSTRUCTION_TSS_FAULT returns."); STAM_REG(pVM, &pVM->vmm.s.StatRZRetPDFault, STAMTYPE_COUNTER, "/VMM/RZRet/PDFault", STAMUNIT_OCCURENCES, "Number of VINF_EM_EXECUTE_INSTRUCTION_PD_FAULT returns."); STAM_REG(pVM, &pVM->vmm.s.StatRZRetCSAMTask, STAMTYPE_COUNTER, "/VMM/RZRet/CSAMTask", STAMUNIT_OCCURENCES, "Number of VINF_CSAM_PENDING_ACTION returns."); STAM_REG(pVM, &pVM->vmm.s.StatRZRetSyncCR3, STAMTYPE_COUNTER, "/VMM/RZRet/SyncCR", STAMUNIT_OCCURENCES, "Number of VINF_PGM_SYNC_CR3 returns."); STAM_REG(pVM, &pVM->vmm.s.StatRZRetMisc, STAMTYPE_COUNTER, "/VMM/RZRet/Misc", STAMUNIT_OCCURENCES, "Number of misc returns."); STAM_REG(pVM, &pVM->vmm.s.StatRZRetPatchInt3, STAMTYPE_COUNTER, "/VMM/RZRet/PatchInt3", STAMUNIT_OCCURENCES, "Number of VINF_PATM_PATCH_INT3 returns."); STAM_REG(pVM, &pVM->vmm.s.StatRZRetPatchPF, STAMTYPE_COUNTER, "/VMM/RZRet/PatchPF", STAMUNIT_OCCURENCES, "Number of VINF_PATM_PATCH_TRAP_PF returns."); STAM_REG(pVM, &pVM->vmm.s.StatRZRetPatchGP, STAMTYPE_COUNTER, "/VMM/RZRet/PatchGP", STAMUNIT_OCCURENCES, "Number of VINF_PATM_PATCH_TRAP_GP returns."); STAM_REG(pVM, &pVM->vmm.s.StatRZRetPatchIretIRQ, STAMTYPE_COUNTER, "/VMM/RZRet/PatchIret", STAMUNIT_OCCURENCES, "Number of VINF_PATM_PENDING_IRQ_AFTER_IRET returns."); STAM_REG(pVM, &pVM->vmm.s.StatRZRetPageOverflow, STAMTYPE_COUNTER, "/VMM/RZRet/InvlpgOverflow", STAMUNIT_OCCURENCES, "Number of VERR_REM_FLUSHED_PAGES_OVERFLOW returns."); STAM_REG(pVM, &pVM->vmm.s.StatRZRetRescheduleREM, STAMTYPE_COUNTER, "/VMM/RZRet/ScheduleREM", STAMUNIT_OCCURENCES, "Number of VINF_EM_RESCHEDULE_REM returns."); STAM_REG(pVM, &pVM->vmm.s.StatRZRetToR3, STAMTYPE_COUNTER, "/VMM/RZRet/ToR3", STAMUNIT_OCCURENCES, "Number of VINF_EM_RAW_TO_R3 returns."); STAM_REG(pVM, &pVM->vmm.s.StatRZRetTimerPending, STAMTYPE_COUNTER, "/VMM/RZRet/TimerPending", STAMUNIT_OCCURENCES, "Number of VINF_EM_RAW_TIMER_PENDING returns."); STAM_REG(pVM, &pVM->vmm.s.StatRZRetInterruptPending, STAMTYPE_COUNTER, "/VMM/RZRet/InterruptPending", STAMUNIT_OCCURENCES, "Number of VINF_EM_RAW_INTERRUPT_PENDING returns."); STAM_REG(pVM, &pVM->vmm.s.StatRZRetPATMDuplicateFn, STAMTYPE_COUNTER, "/VMM/RZRet/PATMDuplicateFn", STAMUNIT_OCCURENCES, "Number of VINF_PATM_DUPLICATE_FUNCTION returns."); STAM_REG(pVM, &pVM->vmm.s.StatRZRetPGMChangeMode, STAMTYPE_COUNTER, "/VMM/RZRet/PGMChangeMode", STAMUNIT_OCCURENCES, "Number of VINF_PGM_CHANGE_MODE returns."); STAM_REG(pVM, &pVM->vmm.s.StatRZRetEmulHlt, STAMTYPE_COUNTER, "/VMM/RZRet/EmulHlt", STAMUNIT_OCCURENCES, "Number of VINF_EM_RAW_EMULATE_INSTR_HLT returns."); STAM_REG(pVM, &pVM->vmm.s.StatRZRetPendingRequest, STAMTYPE_COUNTER, "/VMM/RZRet/PendingRequest", STAMUNIT_OCCURENCES, "Number of VINF_EM_PENDING_REQUEST returns."); STAM_REG(pVM, &pVM->vmm.s.StatRZRetCallHost, STAMTYPE_COUNTER, "/VMM/RZCallR3/Misc", STAMUNIT_OCCURENCES, "Number of Other ring-3 calls."); STAM_REG(pVM, &pVM->vmm.s.StatRZCallPDMLock, STAMTYPE_COUNTER, "/VMM/RZCallR3/PDMLock", STAMUNIT_OCCURENCES, "Number of VMMCALLHOST_PDM_LOCK calls."); STAM_REG(pVM, &pVM->vmm.s.StatRZCallPDMQueueFlush, STAMTYPE_COUNTER, "/VMM/RZCallR3/PDMQueueFlush", STAMUNIT_OCCURENCES, "Number of VMMCALLHOST_PDM_QUEUE_FLUSH calls."); STAM_REG(pVM, &pVM->vmm.s.StatRZCallPGMLock, STAMTYPE_COUNTER, "/VMM/RZCallR3/PGMLock", STAMUNIT_OCCURENCES, "Number of VMMCALLHOST_PGM_LOCK calls."); STAM_REG(pVM, &pVM->vmm.s.StatRZCallPGMPoolGrow, STAMTYPE_COUNTER, "/VMM/RZCallR3/PGMPoolGrow", STAMUNIT_OCCURENCES, "Number of VMMCALLHOST_PGM_POOL_GROW calls."); STAM_REG(pVM, &pVM->vmm.s.StatRZCallPGMMapChunk, STAMTYPE_COUNTER, "/VMM/RZCallR3/PGMMapChunk", STAMUNIT_OCCURENCES, "Number of VMMCALLHOST_PGM_MAP_CHUNK calls."); STAM_REG(pVM, &pVM->vmm.s.StatRZCallPGMAllocHandy, STAMTYPE_COUNTER, "/VMM/RZCallR3/PGMAllocHandy", STAMUNIT_OCCURENCES, "Number of VMMCALLHOST_PGM_ALLOCATE_HANDY_PAGES calls."); STAM_REG(pVM, &pVM->vmm.s.StatRZCallRemReplay, STAMTYPE_COUNTER, "/VMM/RZCallR3/REMReplay", STAMUNIT_OCCURENCES, "Number of VMMCALLHOST_REM_REPLAY_HANDLER_NOTIFICATIONS calls."); STAM_REG(pVM, &pVM->vmm.s.StatRZCallLogFlush, STAMTYPE_COUNTER, "/VMM/RZCallR3/VMMLogFlush", STAMUNIT_OCCURENCES, "Number of VMMCALLHOST_VMM_LOGGER_FLUSH calls."); STAM_REG(pVM, &pVM->vmm.s.StatRZCallVMSetError, STAMTYPE_COUNTER, "/VMM/RZCallR3/VMSetError", STAMUNIT_OCCURENCES, "Number of VMMCALLHOST_VM_SET_ERROR calls."); STAM_REG(pVM, &pVM->vmm.s.StatRZCallVMSetRuntimeError, STAMTYPE_COUNTER, "/VMM/RZCallR3/VMRuntimeError", STAMUNIT_OCCURENCES, "Number of VMMCALLHOST_VM_SET_RUNTIME_ERROR calls."); } /** * Initializes the per-VCPU VMM. * * @returns VBox status code. * @param pVM The VM to operate on. */ VMMR3DECL(int) VMMR3InitCPU(PVM pVM) { LogFlow(("VMMR3InitCPU\n")); return VINF_SUCCESS; } /** * Ring-3 init finalizing. * * @returns VBox status code. * @param pVM The VM handle. */ VMMR3DECL(int) VMMR3InitFinalize(PVM pVM) { int rc = VINF_SUCCESS; for (VMCPUID idCpu = 0; idCpu < pVM->cCPUs; idCpu++) { PVMCPU pVCpu = &pVM->aCpus[idCpu]; #ifdef VBOX_STRICT_VMM_STACK /* * Two inaccessible pages at each sides of the stack to catch over/under-flows. */ memset(pVCpu->vmm.s.pbEMTStackR3 - PAGE_SIZE, 0xcc, PAGE_SIZE); PGMMapSetPage(pVM, MMHyperR3ToRC(pVM, pVCpu->vmm.s.pbEMTStackR3 - PAGE_SIZE), PAGE_SIZE, 0); RTMemProtect(pVCpu->vmm.s.pbEMTStackR3 - PAGE_SIZE, PAGE_SIZE, RTMEM_PROT_NONE); memset(pVCpu->vmm.s.pbEMTStackR3 + VMM_STACK_SIZE, 0xcc, PAGE_SIZE); PGMMapSetPage(pVM, MMHyperR3ToRC(pVM, pVCpu->vmm.s.pbEMTStackR3 + VMM_STACK_SIZE), PAGE_SIZE, 0); RTMemProtect(pVCpu->vmm.s.pbEMTStackR3 + VMM_STACK_SIZE, PAGE_SIZE, RTMEM_PROT_NONE); #endif /* * Set page attributes to r/w for stack pages. */ rc = PGMMapSetPage(pVM, pVCpu->vmm.s.pbEMTStackRC, VMM_STACK_SIZE, X86_PTE_P | X86_PTE_A | X86_PTE_D | X86_PTE_RW); AssertRC(rc); if (RT_FAILURE(rc)) break; } if (RT_SUCCESS(rc)) { /* * Create the EMT yield timer. */ rc = TMR3TimerCreateInternal(pVM, TMCLOCK_REAL, vmmR3YieldEMT, NULL, "EMT Yielder", &pVM->vmm.s.pYieldTimer); if (RT_SUCCESS(rc)) rc = TMTimerSetMillies(pVM->vmm.s.pYieldTimer, pVM->vmm.s.cYieldEveryMillies); } #ifdef VBOX_WITH_NMI /* * Map the host APIC into GC - This is AMD/Intel + Host OS specific! */ if (RT_SUCCESS(rc)) rc = PGMMap(pVM, pVM->vmm.s.GCPtrApicBase, 0xfee00000, PAGE_SIZE, X86_PTE_P | X86_PTE_RW | X86_PTE_PWT | X86_PTE_PCD | X86_PTE_A | X86_PTE_D); #endif return rc; } /** * Initializes the R0 VMM. * * @returns VBox status code. * @param pVM The VM to operate on. */ VMMR3DECL(int) VMMR3InitR0(PVM pVM) { int rc; PVMCPU pVCpu = VMMGetCpu(pVM); Assert(pVCpu && pVCpu->idCpu == 0); #ifdef LOG_ENABLED /* * Initialize the ring-0 logger if we haven't done so yet. */ if ( pVCpu->vmm.s.pR0LoggerR3 && !pVCpu->vmm.s.pR0LoggerR3->fCreated) { rc = VMMR3UpdateLoggers(pVM); if (RT_FAILURE(rc)) return rc; } #endif /* * Call Ring-0 entry with init code. */ for (;;) { #ifdef NO_SUPCALLR0VMM //rc = VERR_GENERAL_FAILURE; rc = VINF_SUCCESS; #else rc = SUPCallVMMR0Ex(pVM->pVMR0, 0 /* VCPU 0 */, VMMR0_DO_VMMR0_INIT, VMMGetSvnRev(), NULL); #endif /* * Flush the logs. */ #ifdef LOG_ENABLED if ( pVCpu->vmm.s.pR0LoggerR3 && pVCpu->vmm.s.pR0LoggerR3->Logger.offScratch > 0) RTLogFlushToLogger(&pVCpu->vmm.s.pR0LoggerR3->Logger, NULL); #endif if (rc != VINF_VMM_CALL_HOST) break; rc = vmmR3ServiceCallHostRequest(pVM, pVCpu); if (RT_FAILURE(rc) || (rc >= VINF_EM_FIRST && rc <= VINF_EM_LAST)) break; /* Resume R0 */ } if (RT_FAILURE(rc) || (rc >= VINF_EM_FIRST && rc <= VINF_EM_LAST)) { LogRel(("R0 init failed, rc=%Rra\n", rc)); if (RT_SUCCESS(rc)) rc = VERR_INTERNAL_ERROR; } return rc; } /** * Initializes the RC VMM. * * @returns VBox status code. * @param pVM The VM to operate on. */ VMMR3DECL(int) VMMR3InitRC(PVM pVM) { PVMCPU pVCpu = VMMGetCpu(pVM); Assert(pVCpu && pVCpu->idCpu == 0); /* In VMX mode, there's no need to init RC. */ if (pVM->vmm.s.fSwitcherDisabled) return VINF_SUCCESS; AssertReturn(pVM->cCPUs == 1, VERR_RAW_MODE_INVALID_SMP); /* * Call VMMGCInit(): * -# resolve the address. * -# setup stackframe and EIP to use the trampoline. * -# do a generic hypervisor call. */ RTRCPTR RCPtrEP; int rc = PDMR3LdrGetSymbolRC(pVM, VMMGC_MAIN_MODULE_NAME, "VMMGCEntry", &RCPtrEP); if (RT_SUCCESS(rc)) { CPUMHyperSetCtxCore(pVCpu, NULL); CPUMSetHyperESP(pVCpu, pVCpu->vmm.s.pbEMTStackBottomRC); /* Clear the stack. */ uint64_t u64TS = RTTimeProgramStartNanoTS(); CPUMPushHyper(pVCpu, (uint32_t)(u64TS >> 32)); /* Param 3: The program startup TS - Hi. */ CPUMPushHyper(pVCpu, (uint32_t)u64TS); /* Param 3: The program startup TS - Lo. */ CPUMPushHyper(pVCpu, VMMGetSvnRev()); /* Param 2: Version argument. */ CPUMPushHyper(pVCpu, VMMGC_DO_VMMGC_INIT); /* Param 1: Operation. */ CPUMPushHyper(pVCpu, pVM->pVMRC); /* Param 0: pVM */ CPUMPushHyper(pVCpu, 5 * sizeof(RTRCPTR)); /* trampoline param: stacksize. */ CPUMPushHyper(pVCpu, RCPtrEP); /* Call EIP. */ CPUMSetHyperEIP(pVCpu, pVM->vmm.s.pfnCallTrampolineRC); Assert(CPUMGetHyperCR3(pVCpu) && CPUMGetHyperCR3(pVCpu) == PGMGetHyperCR3(pVCpu)); for (;;) { #ifdef NO_SUPCALLR0VMM //rc = VERR_GENERAL_FAILURE; rc = VINF_SUCCESS; #else rc = SUPCallVMMR0(pVM->pVMR0, 0 /* VCPU 0 */, VMMR0_DO_CALL_HYPERVISOR, NULL); #endif #ifdef LOG_ENABLED PRTLOGGERRC pLogger = pVM->vmm.s.pRCLoggerR3; if ( pLogger && pLogger->offScratch > 0) RTLogFlushRC(NULL, pLogger); #endif #ifdef VBOX_WITH_RC_RELEASE_LOGGING PRTLOGGERRC pRelLogger = pVM->vmm.s.pRCRelLoggerR3; if (RT_UNLIKELY(pRelLogger && pRelLogger->offScratch > 0)) RTLogFlushRC(RTLogRelDefaultInstance(), pRelLogger); #endif if (rc != VINF_VMM_CALL_HOST) break; rc = vmmR3ServiceCallHostRequest(pVM, pVCpu); if (RT_FAILURE(rc) || (rc >= VINF_EM_FIRST && rc <= VINF_EM_LAST)) break; } if (RT_FAILURE(rc) || (rc >= VINF_EM_FIRST && rc <= VINF_EM_LAST)) { VMMR3FatalDump(pVM, pVCpu, rc); if (rc >= VINF_EM_FIRST && rc <= VINF_EM_LAST) rc = VERR_INTERNAL_ERROR; } AssertRC(rc); } return rc; } /** * Terminate the VMM bits. * * @returns VINF_SUCCESS. * @param pVM The VM handle. */ VMMR3DECL(int) VMMR3Term(PVM pVM) { PVMCPU pVCpu = VMMGetCpu(pVM); Assert(pVCpu && pVCpu->idCpu == 0); /* * Call Ring-0 entry with termination code. */ int rc; for (;;) { #ifdef NO_SUPCALLR0VMM //rc = VERR_GENERAL_FAILURE; rc = VINF_SUCCESS; #else rc = SUPCallVMMR0Ex(pVM->pVMR0, 0 /* VCPU 0 */, VMMR0_DO_VMMR0_TERM, 0, NULL); #endif /* * Flush the logs. */ #ifdef LOG_ENABLED if ( pVCpu->vmm.s.pR0LoggerR3 && pVCpu->vmm.s.pR0LoggerR3->Logger.offScratch > 0) RTLogFlushToLogger(&pVCpu->vmm.s.pR0LoggerR3->Logger, NULL); #endif if (rc != VINF_VMM_CALL_HOST) break; rc = vmmR3ServiceCallHostRequest(pVM, pVCpu); if (RT_FAILURE(rc) || (rc >= VINF_EM_FIRST && rc <= VINF_EM_LAST)) break; /* Resume R0 */ } if (RT_FAILURE(rc) || (rc >= VINF_EM_FIRST && rc <= VINF_EM_LAST)) { LogRel(("VMMR3Term: R0 term failed, rc=%Rra. (warning)\n", rc)); if (RT_SUCCESS(rc)) rc = VERR_INTERNAL_ERROR; } RTCritSectDelete(&pVM->vmm.s.CritSectSync); #ifdef VBOX_STRICT_VMM_STACK /* * Make the two stack guard pages present again. */ RTMemProtect(pVM->vmm.s.pbEMTStackR3 - PAGE_SIZE, PAGE_SIZE, RTMEM_PROT_READ | RTMEM_PROT_WRITE); RTMemProtect(pVM->vmm.s.pbEMTStackR3 + VMM_STACK_SIZE, PAGE_SIZE, RTMEM_PROT_READ | RTMEM_PROT_WRITE); #endif return rc; } /** * Terminates the per-VCPU VMM. * * Termination means cleaning up and freeing all resources, * the VM it self is at this point powered off or suspended. * * @returns VBox status code. * @param pVM The VM to operate on. */ VMMR3DECL(int) VMMR3TermCPU(PVM pVM) { return VINF_SUCCESS; } /** * Applies relocations to data and code managed by this * component. This function will be called at init and * whenever the VMM need to relocate it self inside the GC. * * The VMM will need to apply relocations to the core code. * * @param pVM The VM handle. * @param offDelta The relocation delta. */ VMMR3DECL(void) VMMR3Relocate(PVM pVM, RTGCINTPTR offDelta) { LogFlow(("VMMR3Relocate: offDelta=%RGv\n", offDelta)); /* * Recalc the RC address. */ pVM->vmm.s.pvCoreCodeRC = MMHyperR3ToRC(pVM, pVM->vmm.s.pvCoreCodeR3); /* * The stack. */ for (VMCPUID i = 0; i < pVM->cCPUs; i++) { PVMCPU pVCpu = &pVM->aCpus[i]; CPUMSetHyperESP(pVCpu, CPUMGetHyperESP(pVCpu) + offDelta); pVCpu->vmm.s.pbEMTStackRC = MMHyperR3ToRC(pVM, pVCpu->vmm.s.pbEMTStackR3); pVCpu->vmm.s.pbEMTStackBottomRC = pVCpu->vmm.s.pbEMTStackRC + VMM_STACK_SIZE; } /* * All the switchers. */ vmmR3SwitcherRelocate(pVM, offDelta); /* * Get other RC entry points. */ int rc = PDMR3LdrGetSymbolRC(pVM, VMMGC_MAIN_MODULE_NAME, "CPUMGCResumeGuest", &pVM->vmm.s.pfnCPUMRCResumeGuest); AssertReleaseMsgRC(rc, ("CPUMGCResumeGuest not found! rc=%Rra\n", rc)); rc = PDMR3LdrGetSymbolRC(pVM, VMMGC_MAIN_MODULE_NAME, "CPUMGCResumeGuestV86", &pVM->vmm.s.pfnCPUMRCResumeGuestV86); AssertReleaseMsgRC(rc, ("CPUMGCResumeGuestV86 not found! rc=%Rra\n", rc)); /* * Update the logger. */ VMMR3UpdateLoggers(pVM); } /** * Updates the settings for the RC and R0 loggers. * * @returns VBox status code. * @param pVM The VM handle. */ VMMR3DECL(int) VMMR3UpdateLoggers(PVM pVM) { /* * Simply clone the logger instance (for RC). */ int rc = VINF_SUCCESS; RTRCPTR RCPtrLoggerFlush = 0; if (pVM->vmm.s.pRCLoggerR3 #ifdef VBOX_WITH_RC_RELEASE_LOGGING || pVM->vmm.s.pRCRelLoggerR3 #endif ) { rc = PDMR3LdrGetSymbolRC(pVM, VMMGC_MAIN_MODULE_NAME, "vmmGCLoggerFlush", &RCPtrLoggerFlush); AssertReleaseMsgRC(rc, ("vmmGCLoggerFlush not found! rc=%Rra\n", rc)); } if (pVM->vmm.s.pRCLoggerR3) { RTRCPTR RCPtrLoggerWrapper = 0; rc = PDMR3LdrGetSymbolRC(pVM, VMMGC_MAIN_MODULE_NAME, "vmmGCLoggerWrapper", &RCPtrLoggerWrapper); AssertReleaseMsgRC(rc, ("vmmGCLoggerWrapper not found! rc=%Rra\n", rc)); pVM->vmm.s.pRCLoggerRC = MMHyperR3ToRC(pVM, pVM->vmm.s.pRCLoggerR3); rc = RTLogCloneRC(NULL /* default */, pVM->vmm.s.pRCLoggerR3, pVM->vmm.s.cbRCLogger, RCPtrLoggerWrapper, RCPtrLoggerFlush, RTLOGFLAGS_BUFFERED); AssertReleaseMsgRC(rc, ("RTLogCloneRC failed! rc=%Rra\n", rc)); } #ifdef VBOX_WITH_RC_RELEASE_LOGGING if (pVM->vmm.s.pRCRelLoggerR3) { RTRCPTR RCPtrLoggerWrapper = 0; rc = PDMR3LdrGetSymbolRC(pVM, VMMGC_MAIN_MODULE_NAME, "vmmGCRelLoggerWrapper", &RCPtrLoggerWrapper); AssertReleaseMsgRC(rc, ("vmmGCRelLoggerWrapper not found! rc=%Rra\n", rc)); pVM->vmm.s.pRCRelLoggerRC = MMHyperR3ToRC(pVM, pVM->vmm.s.pRCRelLoggerR3); rc = RTLogCloneRC(RTLogRelDefaultInstance(), pVM->vmm.s.pRCRelLoggerR3, pVM->vmm.s.cbRCRelLogger, RCPtrLoggerWrapper, RCPtrLoggerFlush, RTLOGFLAGS_BUFFERED); AssertReleaseMsgRC(rc, ("RTLogCloneRC failed! rc=%Rra\n", rc)); } #endif /* VBOX_WITH_RC_RELEASE_LOGGING */ #ifdef LOG_ENABLED /* * For the ring-0 EMT logger, we use a per-thread logger instance * in ring-0. Only initialize it once. */ for (unsigned i = 0; i < pVM->cCPUs; i++) { PVMCPU pVCpu = &pVM->aCpus[i]; PVMMR0LOGGER pR0LoggerR3 = pVCpu->vmm.s.pR0LoggerR3; if (pR0LoggerR3) { if (!pR0LoggerR3->fCreated) { RTR0PTR pfnLoggerWrapper = NIL_RTR0PTR; rc = PDMR3LdrGetSymbolR0(pVM, VMMR0_MAIN_MODULE_NAME, "vmmR0LoggerWrapper", &pfnLoggerWrapper); AssertReleaseMsgRCReturn(rc, ("VMMLoggerWrapper not found! rc=%Rra\n", rc), rc); RTR0PTR pfnLoggerFlush = NIL_RTR0PTR; rc = PDMR3LdrGetSymbolR0(pVM, VMMR0_MAIN_MODULE_NAME, "vmmR0LoggerFlush", &pfnLoggerFlush); AssertReleaseMsgRCReturn(rc, ("VMMLoggerFlush not found! rc=%Rra\n", rc), rc); rc = RTLogCreateForR0(&pR0LoggerR3->Logger, pR0LoggerR3->cbLogger, *(PFNRTLOGGER *)&pfnLoggerWrapper, *(PFNRTLOGFLUSH *)&pfnLoggerFlush, RTLOGFLAGS_BUFFERED, RTLOGDEST_DUMMY); AssertReleaseMsgRCReturn(rc, ("RTLogCreateForR0 failed! rc=%Rra\n", rc), rc); pR0LoggerR3->fCreated = true; pR0LoggerR3->fFlushingDisabled = false; } rc = RTLogCopyGroupsAndFlags(&pR0LoggerR3->Logger, NULL /* default */, pVM->vmm.s.pRCLoggerR3->fFlags, RTLOGFLAGS_BUFFERED); AssertRC(rc); } } #endif return rc; } /** * Gets the pointer to a buffer containing the R0/RC AssertMsg1 output. * * @returns Pointer to the buffer. * @param pVM The VM handle. */ VMMR3DECL(const char *) VMMR3GetRZAssertMsg1(PVM pVM) { if (HWACCMIsEnabled(pVM)) return pVM->vmm.s.szRing0AssertMsg1; RTRCPTR RCPtr; int rc = PDMR3LdrGetSymbolRC(pVM, NULL, "g_szRTAssertMsg1", &RCPtr); if (RT_SUCCESS(rc)) return (const char *)MMHyperRCToR3(pVM, RCPtr); return NULL; } /** * Gets the pointer to a buffer containing the R0/RC AssertMsg2 output. * * @returns Pointer to the buffer. * @param pVM The VM handle. */ VMMR3DECL(const char *) VMMR3GetRZAssertMsg2(PVM pVM) { if (HWACCMIsEnabled(pVM)) return pVM->vmm.s.szRing0AssertMsg2; RTRCPTR RCPtr; int rc = PDMR3LdrGetSymbolRC(pVM, NULL, "g_szRTAssertMsg2", &RCPtr); if (RT_SUCCESS(rc)) return (const char *)MMHyperRCToR3(pVM, RCPtr); return NULL; } /** * Execute state save operation. * * @returns VBox status code. * @param pVM VM Handle. * @param pSSM SSM operation handle. */ static DECLCALLBACK(int) vmmR3Save(PVM pVM, PSSMHANDLE pSSM) { LogFlow(("vmmR3Save:\n")); /* * The hypervisor stack. * Note! See note in vmmR3Load (remove this on version change). */ PVMCPU pVCpu0 = &pVM->aCpus[0]; SSMR3PutRCPtr(pSSM, pVCpu0->vmm.s.pbEMTStackBottomRC); RTRCPTR RCPtrESP = CPUMGetHyperESP(pVCpu0); AssertMsg(pVCpu0->vmm.s.pbEMTStackBottomRC - RCPtrESP <= VMM_STACK_SIZE, ("Bottom %RRv ESP=%RRv\n", pVCpu0->vmm.s.pbEMTStackBottomRC, RCPtrESP)); SSMR3PutRCPtr(pSSM, RCPtrESP); SSMR3PutMem(pSSM, pVCpu0->vmm.s.pbEMTStackR3, VMM_STACK_SIZE); /* * Save the started/stopped state of all CPUs except 0 as it will always * be running. This avoids breaking the saved state version. :-) */ for (VMCPUID i = 1; i < pVM->cCPUs; i++) SSMR3PutBool(pSSM, VMCPUSTATE_IS_STARTED(VMCPU_GET_STATE(&pVM->aCpus[i]))); return SSMR3PutU32(pSSM, ~0); /* terminator */ } /** * Execute state load operation. * * @returns VBox status code. * @param pVM VM Handle. * @param pSSM SSM operation handle. * @param u32Version Data layout version. */ static DECLCALLBACK(int) vmmR3Load(PVM pVM, PSSMHANDLE pSSM, uint32_t u32Version) { LogFlow(("vmmR3Load:\n")); /* * Validate version. */ if (u32Version != VMM_SAVED_STATE_VERSION) { AssertMsgFailed(("vmmR3Load: Invalid version u32Version=%d!\n", u32Version)); return VERR_SSM_UNSUPPORTED_DATA_UNIT_VERSION; } /* * Check that the stack is in the same place, or that it's fearly empty. * * Note! This can be skipped next time we update saved state as we will * never be in a R0/RC -> ring-3 call when saving the state. The * stack and the two associated pointers are not required. */ RTRCPTR RCPtrStackBottom; SSMR3GetRCPtr(pSSM, &RCPtrStackBottom); RTRCPTR RCPtrESP; int rc = SSMR3GetRCPtr(pSSM, &RCPtrESP); if (RT_FAILURE(rc)) return rc; SSMR3GetMem(pSSM, pVM->aCpus[0].vmm.s.pbEMTStackR3, VMM_STACK_SIZE); /* Restore the VMCPU states. VCPU 0 is always started. */ VMCPU_SET_STATE(&pVM->aCpus[0], VMCPUSTATE_STARTED); for (VMCPUID i = 1; i < pVM->cCPUs; i++) { bool fStarted; rc = SSMR3GetBool(pSSM, &fStarted); if (RT_FAILURE(rc)) return rc; VMCPU_SET_STATE(&pVM->aCpus[i], fStarted ? VMCPUSTATE_STARTED : VMCPUSTATE_STOPPED); } /* terminator */ uint32_t u32; rc = SSMR3GetU32(pSSM, &u32); if (RT_FAILURE(rc)) return rc; if (u32 != ~0U) { AssertMsgFailed(("u32=%#x\n", u32)); return VERR_SSM_DATA_UNIT_FORMAT_CHANGED; } return VINF_SUCCESS; } /** * Resolve a builtin RC symbol. * * Called by PDM when loading or relocating RC modules. * * @returns VBox status * @param pVM VM Handle. * @param pszSymbol Symbol to resolv * @param pRCPtrValue Where to store the symbol value. * * @remark This has to work before VMMR3Relocate() is called. */ VMMR3DECL(int) VMMR3GetImportRC(PVM pVM, const char *pszSymbol, PRTRCPTR pRCPtrValue) { if (!strcmp(pszSymbol, "g_Logger")) { if (pVM->vmm.s.pRCLoggerR3) pVM->vmm.s.pRCLoggerRC = MMHyperR3ToRC(pVM, pVM->vmm.s.pRCLoggerR3); *pRCPtrValue = pVM->vmm.s.pRCLoggerRC; } else if (!strcmp(pszSymbol, "g_RelLogger")) { #ifdef VBOX_WITH_RC_RELEASE_LOGGING if (pVM->vmm.s.pRCRelLoggerR3) pVM->vmm.s.pRCRelLoggerRC = MMHyperR3ToRC(pVM, pVM->vmm.s.pRCRelLoggerR3); *pRCPtrValue = pVM->vmm.s.pRCRelLoggerRC; #else *pRCPtrValue = NIL_RTRCPTR; #endif } else return VERR_SYMBOL_NOT_FOUND; return VINF_SUCCESS; } /** * Suspends the CPU yielder. * * @param pVM The VM handle. */ VMMR3DECL(void) VMMR3YieldSuspend(PVM pVM) { VMCPU_ASSERT_EMT(&pVM->aCpus[0]); if (!pVM->vmm.s.cYieldResumeMillies) { uint64_t u64Now = TMTimerGet(pVM->vmm.s.pYieldTimer); uint64_t u64Expire = TMTimerGetExpire(pVM->vmm.s.pYieldTimer); if (u64Now >= u64Expire || u64Expire == ~(uint64_t)0) pVM->vmm.s.cYieldResumeMillies = pVM->vmm.s.cYieldEveryMillies; else pVM->vmm.s.cYieldResumeMillies = TMTimerToMilli(pVM->vmm.s.pYieldTimer, u64Expire - u64Now); TMTimerStop(pVM->vmm.s.pYieldTimer); } pVM->vmm.s.u64LastYield = RTTimeNanoTS(); } /** * Stops the CPU yielder. * * @param pVM The VM handle. */ VMMR3DECL(void) VMMR3YieldStop(PVM pVM) { if (!pVM->vmm.s.cYieldResumeMillies) TMTimerStop(pVM->vmm.s.pYieldTimer); pVM->vmm.s.cYieldResumeMillies = pVM->vmm.s.cYieldEveryMillies; pVM->vmm.s.u64LastYield = RTTimeNanoTS(); } /** * Resumes the CPU yielder when it has been a suspended or stopped. * * @param pVM The VM handle. */ VMMR3DECL(void) VMMR3YieldResume(PVM pVM) { if (pVM->vmm.s.cYieldResumeMillies) { TMTimerSetMillies(pVM->vmm.s.pYieldTimer, pVM->vmm.s.cYieldResumeMillies); pVM->vmm.s.cYieldResumeMillies = 0; } } /** * Internal timer callback function. * * @param pVM The VM. * @param pTimer The timer handle. * @param pvUser User argument specified upon timer creation. */ static DECLCALLBACK(void) vmmR3YieldEMT(PVM pVM, PTMTIMER pTimer, void *pvUser) { /* * This really needs some careful tuning. While we shouldn't be too greedy since * that'll cause the rest of the system to stop up, we shouldn't be too nice either * because that'll cause us to stop up. * * The current logic is to use the default interval when there is no lag worth * mentioning, but when we start accumulating lag we don't bother yielding at all. * * (This depends on the TMCLOCK_VIRTUAL_SYNC to be scheduled before TMCLOCK_REAL * so the lag is up to date.) */ const uint64_t u64Lag = TMVirtualSyncGetLag(pVM); if ( u64Lag < 50000000 /* 50ms */ || ( u64Lag < 1000000000 /* 1s */ && RTTimeNanoTS() - pVM->vmm.s.u64LastYield < 500000000 /* 500 ms */) ) { uint64_t u64Elapsed = RTTimeNanoTS(); pVM->vmm.s.u64LastYield = u64Elapsed; RTThreadYield(); #ifdef LOG_ENABLED u64Elapsed = RTTimeNanoTS() - u64Elapsed; Log(("vmmR3YieldEMT: %RI64 ns\n", u64Elapsed)); #endif } TMTimerSetMillies(pTimer, pVM->vmm.s.cYieldEveryMillies); } /** * Executes guest code in the raw-mode context. * * @param pVM VM handle. * @param pVCpu The VMCPU to operate on. */ VMMR3DECL(int) VMMR3RawRunGC(PVM pVM, PVMCPU pVCpu) { Log2(("VMMR3RawRunGC: (cs:eip=%04x:%08x)\n", CPUMGetGuestCS(pVCpu), CPUMGetGuestEIP(pVCpu))); AssertReturn(pVM->cCPUs == 1, VERR_RAW_MODE_INVALID_SMP); /* * Set the EIP and ESP. */ CPUMSetHyperEIP(pVCpu, CPUMGetGuestEFlags(pVCpu) & X86_EFL_VM ? pVM->vmm.s.pfnCPUMRCResumeGuestV86 : pVM->vmm.s.pfnCPUMRCResumeGuest); CPUMSetHyperESP(pVCpu, pVCpu->vmm.s.pbEMTStackBottomRC); /* * We hide log flushes (outer) and hypervisor interrupts (inner). */ for (;;) { Assert(CPUMGetHyperCR3(pVCpu) && CPUMGetHyperCR3(pVCpu) == PGMGetHyperCR3(pVCpu)); #ifdef VBOX_STRICT PGMMapCheck(pVM); #endif int rc; do { #ifdef NO_SUPCALLR0VMM rc = VERR_GENERAL_FAILURE; #else rc = SUPCallVMMR0Fast(pVM->pVMR0, VMMR0_DO_RAW_RUN, 0); if (RT_LIKELY(rc == VINF_SUCCESS)) rc = pVCpu->vmm.s.iLastGZRc; #endif } while (rc == VINF_EM_RAW_INTERRUPT_HYPER); /* * Flush the logs. */ #ifdef LOG_ENABLED PRTLOGGERRC pLogger = pVM->vmm.s.pRCLoggerR3; if ( pLogger && pLogger->offScratch > 0) RTLogFlushRC(NULL, pLogger); #endif #ifdef VBOX_WITH_RC_RELEASE_LOGGING PRTLOGGERRC pRelLogger = pVM->vmm.s.pRCRelLoggerR3; if (RT_UNLIKELY(pRelLogger && pRelLogger->offScratch > 0)) RTLogFlushRC(RTLogRelDefaultInstance(), pRelLogger); #endif if (rc != VINF_VMM_CALL_HOST) { Log2(("VMMR3RawRunGC: returns %Rrc (cs:eip=%04x:%08x)\n", rc, CPUMGetGuestCS(pVCpu), CPUMGetGuestEIP(pVCpu))); return rc; } rc = vmmR3ServiceCallHostRequest(pVM, pVCpu); if (RT_FAILURE(rc)) return rc; /* Resume GC */ } } /** * Executes guest code (Intel VT-x and AMD-V). * * @param pVM VM handle. * @param pVCpu The VMCPU to operate on. */ VMMR3DECL(int) VMMR3HwAccRunGC(PVM pVM, PVMCPU pVCpu) { Log2(("VMMR3HwAccRunGC: (cs:eip=%04x:%08x)\n", CPUMGetGuestCS(pVCpu), CPUMGetGuestEIP(pVCpu))); for (;;) { int rc; do { #ifdef NO_SUPCALLR0VMM rc = VERR_GENERAL_FAILURE; #else rc = SUPCallVMMR0Fast(pVM->pVMR0, VMMR0_DO_HWACC_RUN, pVCpu->idCpu); if (RT_LIKELY(rc == VINF_SUCCESS)) rc = pVCpu->vmm.s.iLastGZRc; #endif } while (rc == VINF_EM_RAW_INTERRUPT_HYPER); #ifdef LOG_ENABLED /* * Flush the log */ PVMMR0LOGGER pR0LoggerR3 = pVCpu->vmm.s.pR0LoggerR3; if ( pR0LoggerR3 && pR0LoggerR3->Logger.offScratch > 0) RTLogFlushToLogger(&pR0LoggerR3->Logger, NULL); #endif /* !LOG_ENABLED */ if (rc != VINF_VMM_CALL_HOST) { Log2(("VMMR3HwAccRunGC: returns %Rrc (cs:eip=%04x:%08x)\n", rc, CPUMGetGuestCS(pVCpu), CPUMGetGuestEIP(pVCpu))); return rc; } rc = vmmR3ServiceCallHostRequest(pVM, pVCpu); if (RT_FAILURE(rc)) return rc; /* Resume R0 */ } } /** * VCPU worker for VMMSendSipi. * * @param pVM The VM to operate on. * @param idCpu Virtual CPU to perform SIPI on * @param uVector SIPI vector */ DECLCALLBACK(int) vmmR3SendSipi(PVM pVM, VMCPUID idCpu, uint32_t uVector) { PVMCPU pVCpu = VMMGetCpuById(pVM, idCpu); VMCPU_ASSERT_EMT(pVCpu); /** @todo what are we supposed to do if the processor is already running? */ if (EMGetState(pVCpu) != EMSTATE_WAIT_SIPI) return VERR_ACCESS_DENIED; PCPUMCTX pCtx = CPUMQueryGuestCtxPtr(pVCpu); pCtx->cs = uVector << 8; pCtx->csHid.u64Base = uVector << 12; pCtx->csHid.u32Limit = 0x0000ffff; pCtx->rip = 0; # if 1 /* If we keep the EMSTATE_WAIT_SIPI method, then move this to EM.cpp. */ EMSetState(pVCpu, EMSTATE_HALTED); return VINF_EM_RESCHEDULE; # else /* And if we go the VMCPU::enmState way it can stay here. */ VMCPU_ASSERT_STATE(pVCpu, VMCPUSTATE_STOPPED); VMCPU_SET_STATE(pVCpu, VMCPUSTATE_STARTED); return VINF_SUCCESS; # endif } DECLCALLBACK(int) vmmR3SendInitIpi(PVM pVM, VMCPUID idCpu) { PVMCPU pVCpu = VMMGetCpuById(pVM, idCpu); VMCPU_ASSERT_EMT(pVCpu); CPUMR3ResetCpu(pVCpu); return VINF_EM_WAIT_SIPI; } /** * Sends SIPI to the virtual CPU by setting CS:EIP into vector-dependent state * and unhalting processor * * @param pVM The VM to operate on. * @param idCpu Virtual CPU to perform SIPI on * @param uVector SIPI vector */ VMMR3DECL(void) VMMR3SendSipi(PVM pVM, VMCPUID idCpu, uint32_t uVector) { AssertReturnVoid(idCpu < pVM->cCPUs); PVMREQ pReq; int rc = VMR3ReqCallU(pVM->pUVM, idCpu, &pReq, 0, VMREQFLAGS_NO_WAIT, (PFNRT)vmmR3SendSipi, 3, pVM, idCpu, uVector); AssertRC(rc); } /** * Sends init IPI to the virtual CPU. * * @param pVM The VM to operate on. * @param idCpu Virtual CPU to perform int IPI on */ VMMR3DECL(void) VMMR3SendInitIpi(PVM pVM, VMCPUID idCpu) { AssertReturnVoid(idCpu < pVM->cCPUs); PVMREQ pReq; int rc = VMR3ReqCallU(pVM->pUVM, idCpu, &pReq, 0, VMREQFLAGS_NO_WAIT, (PFNRT)vmmR3SendInitIpi, 2, pVM, idCpu); AssertRC(rc); } /** * VCPU worker for VMMR3SynchronizeAllVCpus. * * @param pVM The VM to operate on. * @param idCpu Virtual CPU to perform SIPI on * @param uVector SIPI vector */ DECLCALLBACK(int) vmmR3SyncVCpu(PVM pVM) { /* Block until the job in the caller has finished. */ RTCritSectEnter(&pVM->vmm.s.CritSectSync); RTCritSectLeave(&pVM->vmm.s.CritSectSync); return VINF_SUCCESS; } /** * Atomically execute a callback handler * Note: This is very expensive; avoid using it frequently! * * @param pVM The VM to operate on. * @param pfnHandler Callback handler * @param pvUser User specified parameter */ VMMR3DECL(int) VMMR3AtomicExecuteHandler(PVM pVM, PFNATOMICHANDLER pfnHandler, void *pvUser) { int rc; PVMCPU pVCpu = VMMGetCpu(pVM); AssertReturn(pVCpu, VERR_VM_THREAD_NOT_EMT); /* Shortcut for the uniprocessor case. */ if (pVM->cCPUs == 1) return pfnHandler(pVM, pvUser); RTCritSectEnter(&pVM->vmm.s.CritSectSync); for (VMCPUID idCpu = 0; idCpu < pVM->cCPUs; idCpu++) { if (idCpu != pVCpu->idCpu) { rc = VMR3ReqCallU(pVM->pUVM, idCpu, NULL, 0, VMREQFLAGS_NO_WAIT, (PFNRT)vmmR3SyncVCpu, 1, pVM); AssertRC(rc); } } /* Wait until all other VCPUs are waiting for us. */ while (RTCritSectGetWaiters(&pVM->vmm.s.CritSectSync) != (int32_t)(pVM->cCPUs - 1)) RTThreadSleep(1); rc = pfnHandler(pVM, pvUser); RTCritSectLeave(&pVM->vmm.s.CritSectSync); return rc; } /** * Read from the ring 0 jump buffer stack * * @returns VBox status code. * * @param pVM Pointer to the shared VM structure. * @param idCpu The ID of the source CPU context (for the address). * @param pAddress Where to start reading. * @param pvBuf Where to store the data we've read. * @param cbRead The number of bytes to read. */ VMMR3DECL(int) VMMR3ReadR0Stack(PVM pVM, VMCPUID idCpu, RTHCUINTPTR pAddress, void *pvBuf, size_t cbRead) { PVMCPU pVCpu = VMMGetCpuById(pVM, idCpu); AssertReturn(pVCpu, VERR_INVALID_PARAMETER); RTHCUINTPTR offset = pVCpu->vmm.s.CallHostR0JmpBuf.SpCheck - pAddress; if (offset >= pVCpu->vmm.s.CallHostR0JmpBuf.cbSavedStack) return VERR_INVALID_POINTER; memcpy(pvBuf, pVCpu->vmm.s.pbEMTStackR3 + pVCpu->vmm.s.CallHostR0JmpBuf.cbSavedStack - offset, cbRead); return VINF_SUCCESS; } /** * Calls a RC function. * * @param pVM The VM handle. * @param RCPtrEntry The address of the RC function. * @param cArgs The number of arguments in the .... * @param ... Arguments to the function. */ VMMR3DECL(int) VMMR3CallRC(PVM pVM, RTRCPTR RCPtrEntry, unsigned cArgs, ...) { va_list args; va_start(args, cArgs); int rc = VMMR3CallRCV(pVM, RCPtrEntry, cArgs, args); va_end(args); return rc; } /** * Calls a RC function. * * @param pVM The VM handle. * @param RCPtrEntry The address of the RC function. * @param cArgs The number of arguments in the .... * @param args Arguments to the function. */ VMMR3DECL(int) VMMR3CallRCV(PVM pVM, RTRCPTR RCPtrEntry, unsigned cArgs, va_list args) { /* Raw mode implies 1 VCPU. */ AssertReturn(pVM->cCPUs == 1, VERR_RAW_MODE_INVALID_SMP); PVMCPU pVCpu = &pVM->aCpus[0]; Log2(("VMMR3CallGCV: RCPtrEntry=%RRv cArgs=%d\n", RCPtrEntry, cArgs)); /* * Setup the call frame using the trampoline. */ CPUMHyperSetCtxCore(pVCpu, NULL); memset(pVCpu->vmm.s.pbEMTStackR3, 0xaa, VMM_STACK_SIZE); /* Clear the stack. */ CPUMSetHyperESP(pVCpu, pVCpu->vmm.s.pbEMTStackBottomRC - cArgs * sizeof(RTGCUINTPTR32)); PRTGCUINTPTR32 pFrame = (PRTGCUINTPTR32)(pVCpu->vmm.s.pbEMTStackR3 + VMM_STACK_SIZE) - cArgs; int i = cArgs; while (i-- > 0) *pFrame++ = va_arg(args, RTGCUINTPTR32); CPUMPushHyper(pVCpu, cArgs * sizeof(RTGCUINTPTR32)); /* stack frame size */ CPUMPushHyper(pVCpu, RCPtrEntry); /* what to call */ CPUMSetHyperEIP(pVCpu, pVM->vmm.s.pfnCallTrampolineRC); /* * We hide log flushes (outer) and hypervisor interrupts (inner). */ for (;;) { int rc; Assert(CPUMGetHyperCR3(pVCpu) && CPUMGetHyperCR3(pVCpu) == PGMGetHyperCR3(pVCpu)); do { #ifdef NO_SUPCALLR0VMM rc = VERR_GENERAL_FAILURE; #else rc = SUPCallVMMR0Fast(pVM->pVMR0, VMMR0_DO_RAW_RUN, 0); if (RT_LIKELY(rc == VINF_SUCCESS)) rc = pVCpu->vmm.s.iLastGZRc; #endif } while (rc == VINF_EM_RAW_INTERRUPT_HYPER); /* * Flush the logs. */ #ifdef LOG_ENABLED PRTLOGGERRC pLogger = pVM->vmm.s.pRCLoggerR3; if ( pLogger && pLogger->offScratch > 0) RTLogFlushRC(NULL, pLogger); #endif #ifdef VBOX_WITH_RC_RELEASE_LOGGING PRTLOGGERRC pRelLogger = pVM->vmm.s.pRCRelLoggerR3; if (RT_UNLIKELY(pRelLogger && pRelLogger->offScratch > 0)) RTLogFlushRC(RTLogRelDefaultInstance(), pRelLogger); #endif if (rc == VERR_TRPM_PANIC || rc == VERR_TRPM_DONT_PANIC) VMMR3FatalDump(pVM, pVCpu, rc); if (rc != VINF_VMM_CALL_HOST) { Log2(("VMMR3CallGCV: returns %Rrc (cs:eip=%04x:%08x)\n", rc, CPUMGetGuestCS(pVCpu), CPUMGetGuestEIP(pVCpu))); return rc; } rc = vmmR3ServiceCallHostRequest(pVM, pVCpu); if (RT_FAILURE(rc)) return rc; } } /** * Wrapper for SUPCallVMMR0Ex which will deal with * VINF_VMM_CALL_HOST returns. * * @returns VBox status code. * @param pVM The VM to operate on. * @param uOperation Operation to execute. * @param u64Arg Constant argument. * @param pReqHdr Pointer to a request header. See SUPCallVMMR0Ex for * details. */ VMMR3DECL(int) VMMR3CallR0(PVM pVM, uint32_t uOperation, uint64_t u64Arg, PSUPVMMR0REQHDR pReqHdr) { PVMCPU pVCpu = VMMGetCpu(pVM); AssertReturn(pVCpu, VERR_VM_THREAD_NOT_EMT); /* * Call Ring-0 entry with init code. */ int rc; for (;;) { #ifdef NO_SUPCALLR0VMM rc = VERR_GENERAL_FAILURE; #else rc = SUPCallVMMR0Ex(pVM->pVMR0, pVCpu->idCpu, uOperation, u64Arg, pReqHdr); #endif /* * Flush the logs. */ #ifdef LOG_ENABLED if ( pVCpu->vmm.s.pR0LoggerR3 && pVCpu->vmm.s.pR0LoggerR3->Logger.offScratch > 0) RTLogFlushToLogger(&pVCpu->vmm.s.pR0LoggerR3->Logger, NULL); #endif if (rc != VINF_VMM_CALL_HOST) break; rc = vmmR3ServiceCallHostRequest(pVM, pVCpu); if (RT_FAILURE(rc) || (rc >= VINF_EM_FIRST && rc <= VINF_EM_LAST)) break; /* Resume R0 */ } AssertLogRelMsgReturn(rc == VINF_SUCCESS || VBOX_FAILURE(rc), ("uOperation=%u rc=%Rrc\n", uOperation, rc), VERR_INTERNAL_ERROR); return rc; } /** * Resumes executing hypervisor code when interrupted by a queue flush or a * debug event. * * @returns VBox status code. * @param pVM VM handle. * @param pVCpu VMCPU handle. */ VMMR3DECL(int) VMMR3ResumeHyper(PVM pVM, PVMCPU pVCpu) { Log(("VMMR3ResumeHyper: eip=%RRv esp=%RRv\n", CPUMGetHyperEIP(pVCpu), CPUMGetHyperESP(pVCpu))); AssertReturn(pVM->cCPUs == 1, VERR_RAW_MODE_INVALID_SMP); /* * We hide log flushes (outer) and hypervisor interrupts (inner). */ for (;;) { int rc; Assert(CPUMGetHyperCR3(pVCpu) && CPUMGetHyperCR3(pVCpu) == PGMGetHyperCR3(pVCpu)); do { #ifdef NO_SUPCALLR0VMM rc = VERR_GENERAL_FAILURE; #else rc = SUPCallVMMR0Fast(pVM->pVMR0, VMMR0_DO_RAW_RUN, 0); if (RT_LIKELY(rc == VINF_SUCCESS)) rc = pVCpu->vmm.s.iLastGZRc; #endif } while (rc == VINF_EM_RAW_INTERRUPT_HYPER); /* * Flush the loggers, */ #ifdef LOG_ENABLED PRTLOGGERRC pLogger = pVM->vmm.s.pRCLoggerR3; if ( pLogger && pLogger->offScratch > 0) RTLogFlushRC(NULL, pLogger); #endif #ifdef VBOX_WITH_RC_RELEASE_LOGGING PRTLOGGERRC pRelLogger = pVM->vmm.s.pRCRelLoggerR3; if (RT_UNLIKELY(pRelLogger && pRelLogger->offScratch > 0)) RTLogFlushRC(RTLogRelDefaultInstance(), pRelLogger); #endif if (rc == VERR_TRPM_PANIC || rc == VERR_TRPM_DONT_PANIC) VMMR3FatalDump(pVM, pVCpu, rc); if (rc != VINF_VMM_CALL_HOST) { Log(("VMMR3ResumeHyper: returns %Rrc\n", rc)); return rc; } rc = vmmR3ServiceCallHostRequest(pVM, pVCpu); if (RT_FAILURE(rc)) return rc; } } /** * Service a call to the ring-3 host code. * * @returns VBox status code. * @param pVM VM handle. * @param pVCpu VMCPU handle * @remark Careful with critsects. */ static int vmmR3ServiceCallHostRequest(PVM pVM, PVMCPU pVCpu) { /* * We must also check for pending critsect exits or else we can deadlock * when entering other critsects here. */ if (VMCPU_FF_ISPENDING(pVCpu, VMCPU_FF_PDM_CRITSECT)) PDMCritSectFF(pVCpu); switch (pVCpu->vmm.s.enmCallHostOperation) { /* * Acquire the PDM lock. */ case VMMCALLHOST_PDM_LOCK: { pVCpu->vmm.s.rcCallHost = PDMR3LockCall(pVM); break; } /* * Flush a PDM queue. */ case VMMCALLHOST_PDM_QUEUE_FLUSH: { PDMR3QueueFlushWorker(pVM, NULL); pVCpu->vmm.s.rcCallHost = VINF_SUCCESS; break; } /* * Grow the PGM pool. */ case VMMCALLHOST_PGM_POOL_GROW: { pVCpu->vmm.s.rcCallHost = PGMR3PoolGrow(pVM); break; } /* * Maps an page allocation chunk into ring-3 so ring-0 can use it. */ case VMMCALLHOST_PGM_MAP_CHUNK: { pVCpu->vmm.s.rcCallHost = PGMR3PhysChunkMap(pVM, pVCpu->vmm.s.u64CallHostArg); break; } /* * Allocates more handy pages. */ case VMMCALLHOST_PGM_ALLOCATE_HANDY_PAGES: { pVCpu->vmm.s.rcCallHost = PGMR3PhysAllocateHandyPages(pVM); break; } /* * Acquire the PGM lock. */ case VMMCALLHOST_PGM_LOCK: { pVCpu->vmm.s.rcCallHost = PGMR3LockCall(pVM); break; } /* * Acquire the MM hypervisor heap lock. */ case VMMCALLHOST_MMHYPER_LOCK: { pVCpu->vmm.s.rcCallHost = MMR3LockCall(pVM); break; } /* * Flush REM handler notifications. */ case VMMCALLHOST_REM_REPLAY_HANDLER_NOTIFICATIONS: { REMR3ReplayHandlerNotifications(pVM); pVCpu->vmm.s.rcCallHost = VINF_SUCCESS; break; } /* * This is a noop. We just take this route to avoid unnecessary * tests in the loops. */ case VMMCALLHOST_VMM_LOGGER_FLUSH: pVCpu->vmm.s.rcCallHost = VINF_SUCCESS; LogAlways(("*FLUSH*\n")); break; /* * Set the VM error message. */ case VMMCALLHOST_VM_SET_ERROR: VMR3SetErrorWorker(pVM); pVCpu->vmm.s.rcCallHost = VINF_SUCCESS; break; /* * Set the VM runtime error message. */ case VMMCALLHOST_VM_SET_RUNTIME_ERROR: pVCpu->vmm.s.rcCallHost = VMR3SetRuntimeErrorWorker(pVM); break; /* * Signal a ring 0 hypervisor assertion. * Cancel the longjmp operation that's in progress. */ case VMMCALLHOST_VM_R0_ASSERTION: pVCpu->vmm.s.enmCallHostOperation = VMMCALLHOST_INVALID; pVCpu->vmm.s.CallHostR0JmpBuf.fInRing3Call = false; #ifdef RT_ARCH_X86 pVCpu->vmm.s.CallHostR0JmpBuf.eip = 0; #else pVCpu->vmm.s.CallHostR0JmpBuf.rip = 0; #endif LogRel((pVM->vmm.s.szRing0AssertMsg1)); LogRel((pVM->vmm.s.szRing0AssertMsg2)); return VERR_VMM_RING0_ASSERTION; /* * A forced switch to ring 0 for preemption purposes. */ case VMMCALLHOST_VM_R0_PREEMPT: pVCpu->vmm.s.rcCallHost = VINF_SUCCESS; break; default: AssertMsgFailed(("enmCallHostOperation=%d\n", pVCpu->vmm.s.enmCallHostOperation)); return VERR_INTERNAL_ERROR; } pVCpu->vmm.s.enmCallHostOperation = VMMCALLHOST_INVALID; return VINF_SUCCESS; } /** * Displays the Force action Flags. * * @param pVM The VM handle. * @param pHlp The output helpers. * @param pszArgs The additional arguments (ignored). */ static DECLCALLBACK(void) vmmR3InfoFF(PVM pVM, PCDBGFINFOHLP pHlp, const char *pszArgs) { int c; uint32_t f; #define PRINT_FLAG(prf,flag) do { \ if (f & (prf##flag)) \ { \ static const char *s_psz = #flag; \ if (!(c % 6)) \ pHlp->pfnPrintf(pHlp, "%s\n %s", c ? "," : "", s_psz); \ else \ pHlp->pfnPrintf(pHlp, ", %s", s_psz); \ c++; \ f &= ~(prf##flag); \ } \ } while (0) #define PRINT_GROUP(prf,grp,sfx) do { \ if (f & (prf##grp##sfx)) \ { \ static const char *s_psz = #grp; \ if (!(c % 5)) \ pHlp->pfnPrintf(pHlp, "%s %s", c ? ",\n" : " Groups:\n", s_psz); \ else \ pHlp->pfnPrintf(pHlp, ", %s", s_psz); \ c++; \ } \ } while (0) /* * The global flags. */ const uint32_t fGlobalForcedActions = pVM->fGlobalForcedActions; pHlp->pfnPrintf(pHlp, "Global FFs: %#RX32", fGlobalForcedActions); /* show the flag mnemonics */ c = 0; f = fGlobalForcedActions; PRINT_FLAG(VM_FF_,TM_VIRTUAL_SYNC); PRINT_FLAG(VM_FF_,PDM_QUEUES); PRINT_FLAG(VM_FF_,PDM_DMA); PRINT_FLAG(VM_FF_,DBGF); PRINT_FLAG(VM_FF_,REQUEST); PRINT_FLAG(VM_FF_,TERMINATE); PRINT_FLAG(VM_FF_,RESET); PRINT_FLAG(VM_FF_,PGM_NEED_HANDY_PAGES); PRINT_FLAG(VM_FF_,PGM_NO_MEMORY); PRINT_FLAG(VM_FF_,REM_HANDLER_NOTIFY); PRINT_FLAG(VM_FF_,DEBUG_SUSPEND); if (f) pHlp->pfnPrintf(pHlp, "%s\n Unknown bits: %#RX32\n", c ? "," : "", f); else pHlp->pfnPrintf(pHlp, "\n"); /* the groups */ c = 0; f = fGlobalForcedActions; PRINT_GROUP(VM_FF_,EXTERNAL_SUSPENDED,_MASK); PRINT_GROUP(VM_FF_,EXTERNAL_HALTED,_MASK); PRINT_GROUP(VM_FF_,HIGH_PRIORITY_PRE,_MASK); PRINT_GROUP(VM_FF_,HIGH_PRIORITY_PRE_RAW,_MASK); PRINT_GROUP(VM_FF_,HIGH_PRIORITY_POST,_MASK); PRINT_GROUP(VM_FF_,NORMAL_PRIORITY_POST,_MASK); PRINT_GROUP(VM_FF_,NORMAL_PRIORITY,_MASK); PRINT_GROUP(VM_FF_,ALL_BUT_RAW,_MASK); if (c) pHlp->pfnPrintf(pHlp, "\n"); /* * Per CPU flags. */ for (VMCPUID i = 0; i < pVM->cCPUs; i++) { const uint32_t fLocalForcedActions = pVM->aCpus[i].fLocalForcedActions; pHlp->pfnPrintf(pHlp, "CPU %u FFs: %#RX32", i, fLocalForcedActions); /* show the flag mnemonics */ c = 0; f = fLocalForcedActions; PRINT_FLAG(VMCPU_FF_,INTERRUPT_APIC); PRINT_FLAG(VMCPU_FF_,INTERRUPT_PIC); PRINT_FLAG(VMCPU_FF_,TIMER); PRINT_FLAG(VMCPU_FF_,PDM_CRITSECT); PRINT_FLAG(VMCPU_FF_,PGM_SYNC_CR3); PRINT_FLAG(VMCPU_FF_,PGM_SYNC_CR3_NON_GLOBAL); PRINT_FLAG(VMCPU_FF_,TRPM_SYNC_IDT); PRINT_FLAG(VMCPU_FF_,SELM_SYNC_TSS); PRINT_FLAG(VMCPU_FF_,SELM_SYNC_GDT); PRINT_FLAG(VMCPU_FF_,SELM_SYNC_LDT); PRINT_FLAG(VMCPU_FF_,INHIBIT_INTERRUPTS); PRINT_FLAG(VMCPU_FF_,CSAM_SCAN_PAGE); PRINT_FLAG(VMCPU_FF_,CSAM_PENDING_ACTION); PRINT_FLAG(VMCPU_FF_,TO_R3); if (f) pHlp->pfnPrintf(pHlp, "%s\n Unknown bits: %#RX32\n", c ? "," : "", f); else pHlp->pfnPrintf(pHlp, "\n"); /* the groups */ c = 0; f = fLocalForcedActions; PRINT_GROUP(VMCPU_FF_,EXTERNAL_SUSPENDED,_MASK); PRINT_GROUP(VMCPU_FF_,EXTERNAL_HALTED,_MASK); PRINT_GROUP(VMCPU_FF_,HIGH_PRIORITY_PRE,_MASK); PRINT_GROUP(VMCPU_FF_,HIGH_PRIORITY_PRE_RAW,_MASK); PRINT_GROUP(VMCPU_FF_,HIGH_PRIORITY_POST,_MASK); PRINT_GROUP(VMCPU_FF_,NORMAL_PRIORITY_POST,_MASK); PRINT_GROUP(VMCPU_FF_,NORMAL_PRIORITY,_MASK); PRINT_GROUP(VMCPU_FF_,RESUME_GUEST,_MASK); PRINT_GROUP(VMCPU_FF_,HWACCM_TO_R3,_MASK); PRINT_GROUP(VMCPU_FF_,ALL_BUT_RAW,_MASK); if (c) pHlp->pfnPrintf(pHlp, "\n"); } #undef PRINT_FLAG #undef PRINT_GROUP }