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