/* $Id: bs3-cmn-paging.h 60311 2016-04-04 17:01:14Z vboxsync $ */
/** @file
 * BS3Kit - Internal Paging Structures, Variables and Functions.
 */

/*
 * Copyright (C) 2007-2016 Oracle Corporation
 *
 * This file is part of VirtualBox Open Source Edition (OSE), as
 * available from http://www.virtualbox.org. This file is free software;
 * you can redistribute it and/or modify it under the terms of the GNU
 * General Public License (GPL) as published by the Free Software
 * Foundation, in version 2 as it comes in the "COPYING" file of the
 * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
 * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
 *
 * The contents of this file may alternatively be used under the terms
 * of the Common Development and Distribution License Version 1.0
 * (CDDL) only, as it comes in the "COPYING.CDDL" file of the
 * VirtualBox OSE 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.
 */

#ifndef ___bs3_cmn_paging_h
#define ___bs3_cmn_paging_h

#include "bs3kit.h"
#include <iprt/asm.h>

RT_C_DECLS_BEGIN;

/** Root directory for page protected mode.
 * UINT32_MAX if not initialized. */
#ifndef DOXYGEN_RUNNING
# define g_PhysPagingRootPP BS3_DATA_NM(g_PhysPagingRootPP)
#endif
extern uint32_t g_PhysPagingRootPP;
/** Root directory pointer table for PAE mode.
 * UINT32_MAX if not initialized. */
#ifndef DOXYGEN_RUNNING
# define g_PhysPagingRootPAE BS3_DATA_NM(g_PhysPagingRootPAE)
#endif
extern uint32_t g_PhysPagingRootPAE;
/** Root table (level 4) for long mode.
 * UINT32_MAX if not initialized. */
#ifndef DOXYGEN_RUNNING
# define g_PhysPagingRootLM BS3_DATA_NM(g_PhysPagingRootLM)
#endif
extern uint32_t g_PhysPagingRootLM;

RT_C_DECLS_END;


#define bs3PagingGetLegacyPte BS3_CMN_NM(bs3PagingGetLegacyPte)
BS3_DECL(X86PTE BS3_FAR *) bs3PagingGetLegacyPte(RTCCUINTXREG cr3, uint32_t uFlat, bool fUseInvlPg, int *prc);

#define bs3PagingGetPte BS3_CMN_NM(bs3PagingGetPte)
BS3_DECL(X86PTEPAE BS3_FAR *) bs3PagingGetPte(RTCCUINTXREG cr3, uint64_t uFlat, bool fUseInvlPg, int *prc);


#endif