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/* $Id: bs3-cmn-paging.h $ */
/** @file
* BS3Kit - Internal Paging Structures, Variables and Functions.
*/
/*
* Copyright (C) 2007-2023 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 BS3KIT_INCLUDED_bs3_cmn_paging_h
#define BS3KIT_INCLUDED_bs3_cmn_paging_h
#ifndef RT_WITHOUT_PRAGMA_ONCE
# pragma once
#endif
#include "bs3kit.h"
#include <iprt/asm.h>
RT_C_DECLS_BEGIN
/** Root directory for page protected mode.
* UINT32_MAX if not initialized. */
extern uint32_t g_PhysPagingRootPP;
/** Root directory pointer table for PAE mode.
* UINT32_MAX if not initialized. */
extern uint32_t g_PhysPagingRootPAE;
/** Root table (level 4) for long mode.
* UINT32_MAX if not initialized. */
extern uint32_t g_PhysPagingRootLM;
#undef bs3PagingGetLegacyPte
BS3_CMN_PROTO_STUB(X86PTE BS3_FAR *, bs3PagingGetLegacyPte,(RTCCUINTXREG cr3, uint32_t uFlat, bool fUseInvlPg, int *prc));
#undef bs3PagingGetPaePte
BS3_CMN_PROTO_STUB(X86PTEPAE BS3_FAR *, bs3PagingGetPaePte,(RTCCUINTXREG cr3, uint8_t bMode, uint64_t uFlat,
bool fUseInvlPg, int *prc));
RT_C_DECLS_END
#include "bs3kit-mangling-code.h"
#endif /* !BS3KIT_INCLUDED_bs3_cmn_paging_h */
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