| 1 | /* $Id: bs3-cmn-paging.h 60311 2016-04-04 17:01:14Z 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) 2007-2016 Oracle Corporation
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| 8 | *
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| 9 | * This file is part of VirtualBox Open Source Edition (OSE), as
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| 10 | * available from http://www.virtualbox.org. This file is free software;
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| 11 | * you can redistribute it and/or modify it under the terms of the GNU
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| 12 | * General Public License (GPL) as published by the Free Software
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| 13 | * Foundation, in version 2 as it comes in the "COPYING" file of the
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| 14 | * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
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| 15 | * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
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| 16 | *
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| 17 | * The contents of this file may alternatively be used under the terms
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| 18 | * of the Common Development and Distribution License Version 1.0
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| 19 | * (CDDL) only, as it comes in the "COPYING.CDDL" file of the
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| 20 | * VirtualBox OSE distribution, in which case the provisions of the
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| 21 | * CDDL are applicable instead of those of the GPL.
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| 22 | *
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| 23 | * You may elect to license modified versions of this file under the
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| 24 | * terms and conditions of either the GPL or the CDDL or both.
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| 25 | */
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| 26 |
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| 27 | #ifndef ___bs3_cmn_paging_h
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| 28 | #define ___bs3_cmn_paging_h
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| 29 |
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| 30 | #include "bs3kit.h"
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| 31 | #include <iprt/asm.h>
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| 32 |
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| 33 | RT_C_DECLS_BEGIN;
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| 34 |
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| 35 | /** Root directory for page protected mode.
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| 36 | * UINT32_MAX if not initialized. */
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| 37 | #ifndef DOXYGEN_RUNNING
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| 38 | # define g_PhysPagingRootPP BS3_DATA_NM(g_PhysPagingRootPP)
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| 39 | #endif
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| 40 | extern uint32_t g_PhysPagingRootPP;
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| 41 | /** Root directory pointer table for PAE mode.
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| 42 | * UINT32_MAX if not initialized. */
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| 43 | #ifndef DOXYGEN_RUNNING
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| 44 | # define g_PhysPagingRootPAE BS3_DATA_NM(g_PhysPagingRootPAE)
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| 45 | #endif
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| 46 | extern uint32_t g_PhysPagingRootPAE;
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| 47 | /** Root table (level 4) for long mode.
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| 48 | * UINT32_MAX if not initialized. */
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| 49 | #ifndef DOXYGEN_RUNNING
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| 50 | # define g_PhysPagingRootLM BS3_DATA_NM(g_PhysPagingRootLM)
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| 51 | #endif
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| 52 | extern uint32_t g_PhysPagingRootLM;
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| 53 |
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| 54 | RT_C_DECLS_END;
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| 55 |
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| 56 |
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| 57 | #define bs3PagingGetLegacyPte BS3_CMN_NM(bs3PagingGetLegacyPte)
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| 58 | BS3_DECL(X86PTE BS3_FAR *) bs3PagingGetLegacyPte(RTCCUINTXREG cr3, uint32_t uFlat, bool fUseInvlPg, int *prc);
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| 59 |
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| 60 | #define bs3PagingGetPte BS3_CMN_NM(bs3PagingGetPte)
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| 61 | BS3_DECL(X86PTEPAE BS3_FAR *) bs3PagingGetPte(RTCCUINTXREG cr3, uint64_t uFlat, bool fUseInvlPg, int *prc);
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| 62 |
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| 63 |
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| 64 | #endif
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| 65 |
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