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/** @file
* TRPM - The Trap Monitor.
*/
/*
* 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.
*
* The contents of this file may alternatively be used under the terms
* of the Common Development and Distribution License Version 1.0
* (CDDL) only, as it comes in the "COPYING.CDDL" file of the
* VirtualBox OSE distribution, in which case the provisions of the
* CDDL are applicable instead of those of the GPL.
*
* You may elect to license modified versions of this file under the
* terms and conditions of either the GPL or the CDDL or both.
*/
#ifndef VBOX_INCLUDED_vmm_trpm_h
#define VBOX_INCLUDED_vmm_trpm_h
#ifndef RT_WITHOUT_PRAGMA_ONCE
# pragma once
#endif
#include <VBox/types.h>
#include <iprt/x86.h>
RT_C_DECLS_BEGIN
/** @defgroup grp_trpm The Trap Monitor API
* @ingroup grp_vmm
* @{
*/
/**
* Trap: error code present or not
*/
typedef enum
{
TRPM_TRAP_HAS_ERRORCODE = 0,
TRPM_TRAP_NO_ERRORCODE,
/** The usual 32-bit paranoia. */
TRPM_TRAP_32BIT_HACK = 0x7fffffff
} TRPMERRORCODE;
/**
* TRPM event type
*/
/** Note: must match trpm.mac! */
typedef enum
{
TRPM_TRAP = 0,
TRPM_HARDWARE_INT = 1,
TRPM_SOFTWARE_INT = 2,
/** The usual 32-bit paranoia. */
TRPM_32BIT_HACK = 0x7fffffff
} TRPMEVENT;
/** Pointer to a TRPM event type. */
typedef TRPMEVENT *PTRPMEVENT;
/** Pointer to a const TRPM event type. */
typedef TRPMEVENT const *PCTRPMEVENT;
/**
* Invalid trap handler for trampoline calls
*/
#define TRPM_INVALID_HANDLER 0
VMMDECL(int) TRPMQueryTrap(PVMCPU pVCpu, uint8_t *pu8TrapNo, PTRPMEVENT penmType);
VMMDECL(uint8_t) TRPMGetTrapNo(PVMCPU pVCpu);
VMMDECL(RTGCUINT) TRPMGetErrorCode(PVMCPU pVCpu);
VMMDECL(RTGCUINTPTR) TRPMGetFaultAddress(PVMCPU pVCpu);
VMMDECL(uint8_t) TRPMGetInstrLength(PVMCPU pVCpu);
VMMDECL(int) TRPMResetTrap(PVMCPU pVCpu);
VMMDECL(int) TRPMAssertTrap(PVMCPU pVCpu, uint8_t u8TrapNo, TRPMEVENT enmType);
VMMDECL(int) TRPMAssertXcptPF(PVMCPU pVCpu, RTGCUINTPTR uCR2, RTGCUINT uErrorCode);
VMMDECL(void) TRPMSetErrorCode(PVMCPU pVCpu, RTGCUINT uErrorCode);
VMMDECL(void) TRPMSetFaultAddress(PVMCPU pVCpu, RTGCUINTPTR uCR2);
VMMDECL(void) TRPMSetInstrLength(PVMCPU pVCpu, uint8_t cbInstr);
VMMDECL(bool) TRPMIsSoftwareInterrupt(PVMCPU pVCpu);
VMMDECL(bool) TRPMHasTrap(PVMCPU pVCpu);
VMMDECL(int) TRPMQueryTrapAll(PVMCPU pVCpu, uint8_t *pu8TrapNo, PTRPMEVENT pEnmType, PRTGCUINT puErrorCode, PRTGCUINTPTR puCR2, uint8_t *pcbInstr);
VMMDECL(void) TRPMSaveTrap(PVMCPU pVCpu);
VMMDECL(void) TRPMRestoreTrap(PVMCPU pVCpu);
VMMDECL(int) TRPMForwardTrap(PVMCPU pVCpu, PCPUMCTXCORE pRegFrame, uint32_t iGate, uint32_t cbInstr, TRPMERRORCODE enmError, TRPMEVENT enmType, int32_t iOrgTrap);
VMMDECL(int) TRPMRaiseXcpt(PVMCPU pVCpu, PCPUMCTXCORE pCtxCore, X86XCPT enmXcpt);
VMMDECL(int) TRPMRaiseXcptErr(PVMCPU pVCpu, PCPUMCTXCORE pCtxCore, X86XCPT enmXcpt, uint32_t uErr);
VMMDECL(int) TRPMRaiseXcptErrCR2(PVMCPU pVCpu, PCPUMCTXCORE pCtxCore, X86XCPT enmXcpt, uint32_t uErr, RTGCUINTPTR uCR2);
#ifdef IN_RING3
/** @defgroup grp_trpm_r3 TRPM Host Context Ring 3 API
* @{
*/
VMMR3DECL(int) TRPMR3Init(PVM pVM);
VMMR3DECL(void) TRPMR3Relocate(PVM pVM, RTGCINTPTR offDelta);
VMMR3DECL(void) TRPMR3ResetCpu(PVMCPU pVCpu);
VMMR3DECL(void) TRPMR3Reset(PVM pVM);
VMMR3DECL(int) TRPMR3Term(PVM pVM);
VMMR3DECL(int) TRPMR3InjectEvent(PVM pVM, PVMCPU pVCpu, TRPMEVENT enmEvent, bool *pfInjected);
# ifdef VBOX_WITH_RAW_MODE
VMMR3_INT_DECL(int) TRPMR3GetImportRC(PVM pVM, const char *pszSymbol, PRTRCPTR pRCPtrValue);
VMMR3DECL(int) TRPMR3SyncIDT(PVM pVM, PVMCPU pVCpu);
VMMR3DECL(bool) TRPMR3IsGateHandler(PVM pVM, RTRCPTR GCPtr);
VMMR3DECL(uint32_t) TRPMR3QueryGateByHandler(PVM pVM, RTRCPTR GCPtr);
VMMR3DECL(int) TRPMR3EnableGuestTrapHandler(PVM pVM, unsigned iTrap);
VMMR3DECL(int) TRPMR3SetGuestTrapHandler(PVM pVM, unsigned iTrap, RTRCPTR pHandler);
VMMR3DECL(RTRCPTR) TRPMR3GetGuestTrapHandler(PVM pVM, unsigned iTrap);
# endif
/** @} */
#endif
#ifdef IN_RC
/** @defgroup grp_trpm_rc The TRPM Raw-mode Context API
* @{
*/
/**
* Guest Context temporary trap handler
*
* @returns VBox status code (appropriate for GC return).
* In this context VINF_SUCCESS means to restart the instruction.
* @param pVM The cross context VM structure.
* @param pRegFrame Trap register frame.
*/
typedef DECLCALLBACK(int) FNTRPMGCTRAPHANDLER(PVM pVM, PCPUMCTXCORE pRegFrame);
/** Pointer to a TRPMGCTRAPHANDLER() function. */
typedef FNTRPMGCTRAPHANDLER *PFNTRPMGCTRAPHANDLER;
VMMRCDECL(int) TRPMGCSetTempHandler(PVM pVM, unsigned iTrap, PFNTRPMGCTRAPHANDLER pfnHandler);
VMMRCDECL(void) TRPMGCHyperReturnToHost(PVM pVM, int rc);
/** @} */
#endif
#ifdef IN_RING0
/** @defgroup grp_trpm_r0 TRPM Host Context Ring 0 API
* @{
*/
VMMR0DECL(void) TRPMR0DispatchHostInterrupt(PVM pVM);
VMMR0DECL(void) TRPMR0SetupInterruptDispatcherFrame(PVM pVM, void *pvRet);
/** @} */
#endif
/** @} */
RT_C_DECLS_END
#endif /* !VBOX_INCLUDED_vmm_trpm_h */
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