| 1 | /* $Id: bs3-cmn-paging.h 96407 2022-08-22 17:43:14Z vboxsync $ */
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| 2 | /** @file
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| 3 | * BS3Kit - Internal Paging Structures, Variables and Functions.
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| 4 | */
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| 5 |
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| 6 | /*
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| 7 | * Copyright (C) 2007-2022 Oracle and/or its affiliates.
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| 8 | *
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| 9 | * This file is part of VirtualBox base platform packages, as
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| 10 | * available from https://www.virtualbox.org.
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| 11 | *
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| 12 | * This program is free software; you can redistribute it and/or
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| 13 | * modify it under the terms of the GNU General Public License
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| 14 | * as published by the Free Software Foundation, in version 3 of the
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| 15 | * License.
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| 16 | *
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| 17 | * This program is distributed in the hope that it will be useful, but
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| 18 | * WITHOUT ANY WARRANTY; without even the implied warranty of
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| 19 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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| 20 | * General Public License for more details.
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| 21 | *
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| 22 | * You should have received a copy of the GNU General Public License
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| 23 | * along with this program; if not, see <https://www.gnu.org/licenses>.
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| 24 | *
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| 25 | * The contents of this file may alternatively be used under the terms
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| 26 | * of the Common Development and Distribution License Version 1.0
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| 27 | * (CDDL), a copy of it is provided in the "COPYING.CDDL" file included
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| 28 | * in the VirtualBox distribution, in which case the provisions of the
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| 29 | * CDDL are applicable instead of those of the GPL.
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| 30 | *
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| 31 | * You may elect to license modified versions of this file under the
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| 32 | * terms and conditions of either the GPL or the CDDL or both.
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| 33 | *
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| 34 | * SPDX-License-Identifier: GPL-3.0-only OR CDDL-1.0
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| 35 | */
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| 36 |
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| 37 | #ifndef BS3KIT_INCLUDED_bs3_cmn_paging_h
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| 38 | #define BS3KIT_INCLUDED_bs3_cmn_paging_h
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| 39 | #ifndef RT_WITHOUT_PRAGMA_ONCE
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| 40 | # pragma once
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| 41 | #endif
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| 42 |
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| 43 | #include "bs3kit.h"
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| 44 | #include <iprt/asm.h>
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| 45 |
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| 46 | RT_C_DECLS_BEGIN
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| 47 |
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| 48 | /** Root directory for page protected mode.
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| 49 | * UINT32_MAX if not initialized. */
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| 50 | extern uint32_t g_PhysPagingRootPP;
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| 51 | /** Root directory pointer table for PAE mode.
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| 52 | * UINT32_MAX if not initialized. */
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| 53 | extern uint32_t g_PhysPagingRootPAE;
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| 54 | /** Root table (level 4) for long mode.
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| 55 | * UINT32_MAX if not initialized. */
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| 56 | extern uint32_t g_PhysPagingRootLM;
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| 57 |
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| 58 | #undef bs3PagingGetLegacyPte
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| 59 | BS3_CMN_PROTO_STUB(X86PTE BS3_FAR *, bs3PagingGetLegacyPte,(RTCCUINTXREG cr3, uint32_t uFlat, bool fUseInvlPg, int *prc));
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| 60 | #undef bs3PagingGetPaePte
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| 61 | BS3_CMN_PROTO_STUB(X86PTEPAE BS3_FAR *, bs3PagingGetPaePte,(RTCCUINTXREG cr3, uint8_t bMode, uint64_t uFlat,
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| 62 | bool fUseInvlPg, int *prc));
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| 63 |
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| 64 | RT_C_DECLS_END
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| 65 |
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| 66 | #include "bs3kit-mangling-code.h"
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| 67 |
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| 68 | #endif /* !BS3KIT_INCLUDED_bs3_cmn_paging_h */
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| 69 |
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