95 lines
2.8 KiB
C
95 lines
2.8 KiB
C
/** @file
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* GCM - Guest Compatibility Manager.
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*/
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/*
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* Copyright (C) 2022-2023 Oracle and/or its affiliates.
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*
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* This file is part of VirtualBox base platform packages, as
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* available from https://www.virtualbox.org.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation, in version 3 of the
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* License.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, see <https://www.gnu.org/licenses>.
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*
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* The contents of this file may alternatively be used under the terms
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* of the Common Development and Distribution License Version 1.0
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* (CDDL), a copy of it is provided in the "COPYING.CDDL" file included
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* in the VirtualBox distribution, in which case the provisions of the
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* CDDL are applicable instead of those of the GPL.
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*
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* You may elect to license modified versions of this file under the
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* terms and conditions of either the GPL or the CDDL or both.
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*
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* SPDX-License-Identifier: GPL-3.0-only OR CDDL-1.0
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*/
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#ifndef VBOX_INCLUDED_vmm_gcm_h
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#define VBOX_INCLUDED_vmm_gcm_h
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#ifndef RT_WITHOUT_PRAGMA_ONCE
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# pragma once
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#endif
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#include <VBox/cdefs.h>
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#include <VBox/types.h>
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#include <VBox/param.h>
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#include <VBox/vmm/cpum.h>
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#include <VBox/vmm/pdmifs.h>
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RT_C_DECLS_BEGIN
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/** @defgroup grp_gcm The Guest Compatibility Manager API
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* @ingroup grp_vmm
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* @{
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*/
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/**
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* GCM Fixer Identifiers.
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* @remarks Part of saved state!
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*/
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typedef enum GCMFIXERID
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{
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/** None. */
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GCMFIXER_NONE = 0,
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/** DOS division by zero, the worst. Includes Windows 3.x. */
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GCMFIXER_DBZ_DOS = RT_BIT(0),
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/** OS/2 (any version) division by zero. */
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GCMFIXER_DBZ_OS2 = RT_BIT(1),
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/** Windows 9x division by zero. */
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GCMFIXER_DBZ_WIN9X = RT_BIT(2),
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/** 32-bit hack. */
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GCMFIXER_32BIT_HACK = 0x7fffffff
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} GCMFIXERID;
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AssertCompileSize(GCMFIXERID, sizeof(uint32_t));
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#ifdef IN_RING3
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/** @defgroup grp_gcm_r3 The GCM Host Context Ring-3 API
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* @{
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*/
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VMMR3_INT_DECL(int) GCMR3Init(PVM pVM);
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VMMR3_INT_DECL(void) GCMR3Relocate(PVM pVM, RTGCINTPTR offDelta);
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VMMR3_INT_DECL(int) GCMR3Term(PVM pVM);
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VMMR3_INT_DECL(void) GCMR3Reset(PVM pVM);
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/** @} */
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#endif /* IN_RING3 */
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VMMDECL(bool) GCMIsEnabled(PVM pVM);
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VMM_INT_DECL(bool) GCMShouldTrapXcptDE(PVMCPUCC pVCpu);
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VMM_INT_DECL(VBOXSTRICTRC) GCMXcptDE(PVMCPUCC pVCpu, PCPUMCTX pCtx, PDISCPUSTATE pDis, uint8_t *pcbInstr);
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/** @} */
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RT_C_DECLS_END
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#endif /* !VBOX_INCLUDED_vmm_gcm_h */
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