/* $Id: REMInternal.h 76585 2019-01-01 06:31:29Z vboxsync $ */ /** @file * REM - Internal header file. */ /* * Copyright (C) 2006-2019 Oracle Corporation * * 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. */ #ifndef VMM_INCLUDED_SRC_include_REMInternal_h #define VMM_INCLUDED_SRC_include_REMInternal_h #ifndef RT_WITHOUT_PRAGMA_ONCE # pragma once #endif #include #include #include #include #include #ifdef REM_INCLUDE_CPU_H # include "target-i386/cpu.h" #endif /** @defgroup grp_rem_int Internals * @ingroup grp_rem * @internal * @{ */ /** The saved state version number. */ #define REM_SAVED_STATE_VERSION_VER1_6 6 #define REM_SAVED_STATE_VERSION 7 /** @def REM_MONITOR_CODE_PAGES * Enable to monitor code pages that have been translated by the recompiler. */ /** Currently broken and interferes with CSAM monitoring (see @bugref{2784}) */ ////#define REM_MONITOR_CODE_PAGES #ifdef DOXYGEN_RUNNING # define REM_MONITOR_CODE_PAGES #endif typedef enum REMHANDLERNOTIFICATIONKIND { /** The usual invalid 0 entry. */ REMHANDLERNOTIFICATIONKIND_INVALID = 0, /** REMR3NotifyHandlerPhysicalRegister. */ REMHANDLERNOTIFICATIONKIND_PHYSICAL_REGISTER, /** REMR3NotifyHandlerPhysicalDeregister. */ REMHANDLERNOTIFICATIONKIND_PHYSICAL_DEREGISTER, /** REMR3NotifyHandlerPhysicalModify. */ REMHANDLERNOTIFICATIONKIND_PHYSICAL_MODIFY, /** The usual 32-bit hack. */ REMHANDLERNOTIFICATIONKIND_32BIT_HACK = 0x7fffffff } REMHANDLERNOTIFICATIONKIND; /** * A recorded handler notification. */ typedef struct REMHANDLERNOTIFICATION { /** The notification kind. */ REMHANDLERNOTIFICATIONKIND enmKind; uint32_t padding; /** Type specific data. */ union { struct { RTGCPHYS GCPhys; RTGCPHYS cb; PGMPHYSHANDLERKIND enmKind; bool fHasHCHandler; } PhysicalRegister; struct { RTGCPHYS GCPhys; RTGCPHYS cb; PGMPHYSHANDLERKIND enmKind; bool fHasHCHandler; bool fRestoreAsRAM; } PhysicalDeregister; struct { RTGCPHYS GCPhysOld; RTGCPHYS GCPhysNew; RTGCPHYS cb; PGMPHYSHANDLERKIND enmKind; bool fHasHCHandler; bool fRestoreAsRAM; } PhysicalModify; uint64_t padding[5]; } u; uint32_t idxSelf; uint32_t volatile idxNext; } REMHANDLERNOTIFICATION; /** Pointer to a handler notification record. */ typedef REMHANDLERNOTIFICATION *PREMHANDLERNOTIFICATION; /** * Converts a REM pointer into a VM pointer. * @returns Pointer to the VM structure the REM is part of. * @param pREM Pointer to REM instance data. */ #define REM2VM(pREM) ( (PVM)((char*)pREM - pREM->offVM) ) /** * REM Data (part of VM) */ typedef struct REM { /** Offset to the VM structure. */ RTINT offVM; /** Alignment padding. */ RTUINT uPadding0; /** Cached pointer of the register context of the current VCPU. */ R3PTRTYPE(PCPUMCTX) pCtx; /** In REM mode. * I.e. the correct CPU state and some other bits are with REM. */ bool volatile fInREM; /** In REMR3State. */ bool fInStateSync; /** Set when the translation blocks cache need to be flushed. */ bool fFlushTBs; /** Ignore CR3 load notifications from the REM. */ bool fIgnoreCR3Load; /** Ignore invlpg notifications from the REM. */ bool fIgnoreInvlPg; /** Ignore CR0, CR4 and EFER load. */ bool fIgnoreCpuMode; /** Ignore set page. */ bool fIgnoreSetPage; bool bPadding1; /** Ignore all that can be ignored. */ uint32_t cIgnoreAll; /** Number of times REMR3CanExecuteRaw has been called. * It is used to prevent rescheduling on the first call. */ uint32_t cCanExecuteRaw; /** Pending interrupt that remR3LoadDone will assert with TRPM. */ uint32_t uStateLoadPendingInterrupt; /** Number of recorded invlpg instructions. */ uint32_t volatile cInvalidatedPages; #if HC_ARCH_BITS == 32 uint32_t uPadding2; #endif /** Array of recorded invlpg instruction. * These instructions are replayed when entering REM. */ RTGCPTR aGCPtrInvalidatedPages[48]; /** Array of recorded handler notifications. * These are replayed when entering REM. */ REMHANDLERNOTIFICATION aHandlerNotifications[64]; volatile uint32_t idxPendingList; volatile uint32_t idxFreeList; /** MMIO memory type. * This is used to register MMIO physical access handlers. */ int32_t iMMIOMemType; /** Handler memory type. * This is used to register non-MMIO physical access handlers which are executed in HC. */ int32_t iHandlerMemType; /** Pending exception */ uint32_t uPendingException; /** Nr of pending exceptions */ uint32_t cPendingExceptions; /** Pending exception's EIP */ RTGCPTR uPendingExcptEIP; /** Pending exception's CR2 */ RTGCPTR uPendingExcptCR2; /** The highest known RAM address. */ RTGCPHYS GCPhysLastRam; /** Whether GCPhysLastRam has been fixed (see REMR3Init()). */ bool fGCPhysLastRamFixed; /** Pending rc. */ int32_t rc; /** REM critical section. * This protects cpu_register_physical_memory usage */ PDMCRITSECT CritSectRegister; /** Time spent in QEMU. */ STAMPROFILEADV StatsInQEMU; /** Time spent in rawmode.c. */ STAMPROFILEADV StatsInRAWEx; /** Time spent switching state. */ STAMPROFILE StatsState; /** Time spent switching state back. */ STAMPROFILE StatsStateBack; /** Padding the CPUX86State structure to 64 byte. */ uint32_t abPadding[HC_ARCH_BITS == 32 ? 4 : 4]; # define REM_ENV_SIZE 0xff00 /** Recompiler CPU state. */ #ifdef REM_INCLUDE_CPU_H CPUX86State Env; #else struct FakeEnv { char achPadding[REM_ENV_SIZE]; } Env; #endif /* !REM_INCLUDE_CPU_H */ } REM; /** Pointer to the REM Data. */ typedef REM *PREM; #ifdef REM_INCLUDE_CPU_H bool remR3CanExecuteRaw(CPUState *env, RTGCPTR eip, unsigned fFlags, int *piException); void remR3CSAMCheckEIP(CPUState *env, RTGCPTR GCPtrCode); # ifdef VBOX_WITH_RAW_MODE bool remR3GetOpcode(CPUState *env, RTGCPTR GCPtrInstr, uint8_t *pu8Byte); # endif bool remR3DisasInstr(CPUState *env, int f32BitCode, char *pszPrefix); void remR3FlushPage(CPUState *env, RTGCPTR GCPtr); void remR3FlushTLB(CPUState *env, bool fGlobal); void remR3ProtectCode(CPUState *env, RTGCPTR GCPtr); void remR3ChangeCpuMode(CPUState *env); void remR3DmaRun(CPUState *env); void remR3TimersRun(CPUState *env); int remR3NotifyTrap(CPUState *env, uint32_t uTrap, uint32_t uErrorCode, RTGCPTR pvNextEIP); void remR3TrapStat(CPUState *env, uint32_t uTrap); void remR3RecordCall(CPUState *env); #endif /* REM_INCLUDE_CPU_H */ void remR3TrapClear(PVM pVM); void remR3RaiseRC(PVM pVM, int rc); void remR3DumpLnxSyscall(PVMCPU pVCpu); void remR3DumpOBsdSyscall(PVMCPU pVCpu); /** @todo r=bird: clean up the RAWEx stats. */ /* temporary hacks */ #define RAWEx_ProfileStart(a, b) remR3ProfileStart(b) #define RAWEx_ProfileStop(a, b) remR3ProfileStop(b) #ifdef VBOX_WITH_STATISTICS # define STATS_EMULATE_SINGLE_INSTR 1 # define STATS_QEMU_COMPILATION 2 # define STATS_QEMU_RUN_EMULATED_CODE 3 # define STATS_QEMU_TOTAL 4 # define STATS_QEMU_RUN_TIMERS 5 # define STATS_TLB_LOOKUP 6 # define STATS_IRQ_HANDLING 7 # define STATS_RAW_CHECK 8 void remR3ProfileStart(int statcode); void remR3ProfileStop(int statcode); #else /* !VBOX_WITH_STATISTICS */ # define remR3ProfileStart(c) do { } while (0) # define remR3ProfileStop(c) do { } while (0) #endif /* !VBOX_WITH_STATISTICS */ /** @} */ #endif /* !VMM_INCLUDED_SRC_include_REMInternal_h */