/* $Id: REMInternal.h 8223 2008-04-21 12:30:34Z vboxsync $ */ /** @file * REM - Internal header file. */ /* * 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. */ #ifndef ___REMInternal_h #define ___REMInternal_h #include #include #include #include #include #ifdef REM_INCLUDE_CPU_H # include "target-i386/cpu.h" #endif #if !defined(IN_REM_R3) && !defined(IN_REM_R0) && !defined(IN_REM_GC) # error "Not in REM! This is an internal header!" #endif /** @defgroup grp_rem_int Internals * @ingroup grp_rem * @internal * @{ */ /** The saved state version number. */ #define REM_SAVED_STATE_VERSION 6 /** @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 #2784) */ ////#define REM_MONITOR_CODE_PAGES 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 notificiation. */ typedef struct REMHANDLERNOTIFICATION { /** The notification kind. */ REMHANDLERNOTIFICATIONKIND enmKind; uint32_t padding; /** Type specific data. */ union { struct { RTGCPHYS GCPhys; RTGCPHYS cb; PGMPHYSHANDLERTYPE enmType; bool fHasHCHandler; } PhysicalRegister; struct { RTGCPHYS GCPhys; RTGCPHYS cb; PGMPHYSHANDLERTYPE enmType; bool fHasHCHandler; bool fRestoreAsRAM; } PhysicalDeregister; struct { RTGCPHYS GCPhysOld; RTGCPHYS GCPhysNew; RTGCPHYS cb; PGMPHYSHANDLERTYPE enmType; bool fHasHCHandler; bool fRestoreAsRAM; } PhysicalModify; uint64_t padding[5]; } u; } REMHANDLERNOTIFICATION, *PREMHANDLERNOTIFICATION; /** * Dynamically allocated guest RAM chunk information * HC virt to GC Phys * * A RAM chunk can spawn two chunk regions as we don't align them on chunk boundaries. */ typedef struct REMCHUNKINFO { RTHCUINTPTR pChunk1; RTHCUINTPTR pChunk2; RTGCPHYS GCPhys1; RTGCPHYS GCPhys2; } REMCHUNKINFO, *PREMCHUNKINFO; /** Maximum number of external guest RAM/ROM registrations. */ #define REM_MAX_PHYS_REGISTRATIONS 16 /** * Registration record for external guest RAM & ROM */ typedef struct REMPHYSREGISTRATION { RTGCPHYS GCPhys; RTHCUINTPTR HCVirt; RTUINT cb; #if HC_ARCH_BITS == 64 uint32_t u32Padding; #endif } REMPHYSREGISTRATION, *PREMPHYSREGISTRATION; /** * 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 guest cpu context pointer. */ R3PTRTYPE(PCPUMCTX) pCtx; /** In REM mode. * I.e. the correct CPU state and some other bits are with REM. */ bool fInREM; /** In REMR3State. */ bool fInStateSync; /** Ignore all that can be ignored. */ bool fIgnoreAll; /** 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; /** Number of times REMR3CanExecuteRaw has been called. * It is used to prevent rescheduling on the first call. */ RTUINT cCanExecuteRaw; /** Pending interrupt (~0 -> nothing). */ RTUINT u32PendingInterrupt; #if HC_ARCH_BITS == 64 /** Alignment padding. */ uint32_t u32Padding; #endif /** Number of recorded invlpg instructions. */ RTUINT cInvalidatedPages; /** Array of recorded invlpg instruction. * These instructions are replayed when entering REM. */ RTGCPTR aGCPtrInvalidatedPages[48]; /** The number of recorded handler notifications. */ RTUINT volatile cHandlerNotifications; RTUINT padding0; /**< Padding. */ /** Array of recorded handler noticications. * These are replayed when entering REM. */ REMHANDLERNOTIFICATION aHandlerNotifications[32]; /** Pointer to an array of hc virt to gc phys records. */ R3PTRTYPE(PREMCHUNKINFO) paHCVirtToGCPhys; /** Pointer to a GC Phys to HC Virt lookup table. */ R3PTRTYPE(PRTHCUINTPTR) paGCPhysToHCVirt; /** Array of external RAM and ROM registrations (excluding guest RAM). */ REMPHYSREGISTRATION aPhysReg[REM_MAX_PHYS_REGISTRATIONS]; /** Number of external RAM and ROM registrations (excluding guest RAM). */ RTUINT cPhysRegistrations; /** MMIO memory type. * This is used to register MMIO physical access handlers. */ RTINT iMMIOMemType; /** Handler memory type. * This is used to register non-MMIO physical access handlers which are executed in HC. */ RTINT iHandlerMemType; /** Pending exception */ uint32_t uPendingException; /** Pending exception's EIP */ uint32_t uPendingExcptEIP; /** Pending exception's CR2 */ uint32_t uPendingExcptCR2; /** Nr of pending exceptions */ uint32_t cPendingExceptions; /** Pending rc. */ RTINT rc; /** 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; #if HC_ARCH_BITS != 32 /** Padding the CPUX86State structure to 32 byte. */ uint32_t abPadding[HC_ARCH_BITS == 32 ? 0 : 4]; #endif #define REM_ENV_SIZE (HC_ARCH_BITS == 32 ? 0x6440 : 0xb4a0) /** Recompiler CPU state. */ #ifdef REM_INCLUDE_CPU_H CPUX86State Env; #else struct FakeEnv { char achPadding[REM_ENV_SIZE]; } Env; #endif } 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); bool remR3GetOpcode(CPUState *env, RTGCPTR GCPtrInstr, uint8_t *pu8Byte); bool remR3DisasInstr(CPUState *env, int f32BitCode, char *pszPrefix); bool remR3DisasBlock(CPUState *env, int f32BitCode, int nrInstructions, char *pszPrefix); void remR3FlushPage(CPUState *env, RTGCPTR GCPtr); void remR3SetPage(CPUState *env, CPUTLBEntry *pRead, CPUTLBEntry *pWrite, int prot, int is_user); 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, uint32_t pvNextEIP); void remR3TrapStat(CPUState *env, uint32_t uTrap); void remR3CpuId(CPUState *env, unsigned uOperator, void *pvEAX, void *pvEBX, void *pvECX, void *pvEDX); void remR3RecordCall(CPUState *env); #endif void remR3TrapClear(PVM pVM); void remR3RaiseRC(PVM pVM, int rc); void remR3DumpLnxSyscall(PVM pVM); void remR3DumpOBsdSyscall(PVM pVM); /** @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 #define remR3ProfileStart(c) #define remR3ProfileStop(c) #endif /** @} */ #endif