| 1 | /** @file
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| 2 | * GCM - Guest Compatibility Manager.
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| 3 | */
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| 4 |
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| 5 | /*
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| 6 | * Copyright (C) 2022 Oracle and/or its affiliates.
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| 7 | *
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| 8 | * This file is part of VirtualBox base platform packages, as
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| 9 | * available from https://www.virtualbox.org.
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| 10 | *
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| 11 | * This program is free software; you can redistribute it and/or
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| 12 | * modify it under the terms of the GNU General Public License
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| 13 | * as published by the Free Software Foundation, in version 3 of the
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| 14 | * License.
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| 15 | *
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| 16 | * This program is distributed in the hope that it will be useful, but
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| 17 | * WITHOUT ANY WARRANTY; without even the implied warranty of
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| 18 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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| 19 | * General Public License for more details.
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| 20 | *
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| 21 | * You should have received a copy of the GNU General Public License
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| 22 | * along with this program; if not, see <https://www.gnu.org/licenses>.
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| 23 | *
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| 24 | * The contents of this file may alternatively be used under the terms
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| 25 | * of the Common Development and Distribution License Version 1.0
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| 26 | * (CDDL), a copy of it is provided in the "COPYING.CDDL" file included
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| 27 | * in the VirtualBox distribution, in which case the provisions of the
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| 28 | * CDDL are applicable instead of those of the GPL.
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| 29 | *
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| 30 | * You may elect to license modified versions of this file under the
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| 31 | * terms and conditions of either the GPL or the CDDL or both.
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| 32 | *
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| 33 | * SPDX-License-Identifier: GPL-3.0-only OR CDDL-1.0
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| 34 | */
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| 35 |
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| 36 | #ifndef VBOX_INCLUDED_vmm_gcm_h
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| 37 | #define VBOX_INCLUDED_vmm_gcm_h
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| 38 | #ifndef RT_WITHOUT_PRAGMA_ONCE
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| 39 | # pragma once
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| 40 | #endif
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| 41 |
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| 42 | #include <VBox/cdefs.h>
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| 43 | #include <VBox/types.h>
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| 44 | #include <VBox/param.h>
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| 45 |
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| 46 | #include <VBox/vmm/cpum.h>
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| 47 | #include <VBox/vmm/pdmifs.h>
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| 48 |
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| 49 | RT_C_DECLS_BEGIN
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| 50 |
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| 51 | /** @defgroup grp_gcm The Guest Compatibility Manager API
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| 52 | * @ingroup grp_vmm
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| 53 | * @{
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| 54 | */
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| 55 |
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| 56 | /**
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| 57 | * GCM Fixer Identifiers.
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| 58 | * @remarks Part of saved state!
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| 59 | */
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| 60 | typedef enum GCMFIXERID
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| 61 | {
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| 62 | /** None. */
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| 63 | GCMFIXER_NONE = 0,
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| 64 | /** DOS division by zero, the worst. Includes Windows 3.x. */
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| 65 | GCMFIXER_DBZ_DOS = RT_BIT(0),
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| 66 | /** OS/2 (any version) division by zero. */
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| 67 | GCMFIXER_DBZ_OS2 = RT_BIT(1),
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| 68 | /** Windows 9x division by zero. */
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| 69 | GCMFIXER_DBZ_WIN9X = RT_BIT(2),
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| 70 | /** 32-bit hack. */
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| 71 | GCMFIXER_32BIT_HACK = 0x7fffffff
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| 72 | } GCMFIXERID;
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| 73 | AssertCompileSize(GCMFIXERID, sizeof(uint32_t));
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| 74 |
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| 75 |
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| 76 | #ifdef IN_RING3
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| 77 | /** @defgroup grp_gcm_r3 The GCM Host Context Ring-3 API
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| 78 | * @{
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| 79 | */
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| 80 | VMMR3_INT_DECL(int) GCMR3Init(PVM pVM);
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| 81 | VMMR3_INT_DECL(void) GCMR3Relocate(PVM pVM, RTGCINTPTR offDelta);
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| 82 | VMMR3_INT_DECL(int) GCMR3Term(PVM pVM);
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| 83 | VMMR3_INT_DECL(void) GCMR3Reset(PVM pVM);
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| 84 | /** @} */
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| 85 | #endif /* IN_RING3 */
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| 86 |
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| 87 | VMMDECL(bool) GCMIsEnabled(PVM pVM);
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| 88 | VMM_INT_DECL(bool) GCMShouldTrapXcptDE(PVMCPUCC pVCpu);
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| 89 | VMM_INT_DECL(VBOXSTRICTRC) GCMXcptDE(PVMCPUCC pVCpu, PCPUMCTX pCtx, PDISCPUSTATE pDis, uint8_t *pcbInstr);
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| 90 | /** @} */
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| 91 |
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| 92 | RT_C_DECLS_END
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| 93 |
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| 94 | #endif /* !VBOX_INCLUDED_vmm_gcm_h */
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| 95 |
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