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/* $Id: pgm.h $ */
/** @file
* PGM - Internal VMM header file.
*/
/*
* Copyright (C) 2006-2011 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.
*/
#ifndef ___PGM_include_internal_h
#define ___PGM_include_internal_h
#include <VBox/vmm/pgm.h>
/** @defgroup grp_pgm_int Internals
* @ingroup grp_pgm
* @internal
* @{
*/
/**
* Page type.
*
* @remarks This enum has to fit in a 3-bit field (see PGMPAGE::u3Type).
* @remarks This is used in the saved state, so changes to it requires bumping
* the saved state version.
* @todo So, convert to \#defines!
*/
typedef enum PGMPAGETYPE
{
/** The usual invalid zero entry. */
PGMPAGETYPE_INVALID = 0,
/** RAM page. (RWX) */
PGMPAGETYPE_RAM,
/** MMIO2 page. (RWX) */
PGMPAGETYPE_MMIO2,
/** MMIO2 page aliased over an MMIO page. (RWX)
* See PGMHandlerPhysicalPageAlias(). */
PGMPAGETYPE_MMIO2_ALIAS_MMIO,
/** Special page aliased over an MMIO page. (RWX)
* See PGMHandlerPhysicalPageAliasHC(), but this is generally only used for
* VT-x's APIC access page at the moment. Treated as MMIO by everyone except
* the shadow paging code. */
PGMPAGETYPE_SPECIAL_ALIAS_MMIO,
/** Shadowed ROM. (RWX) */
PGMPAGETYPE_ROM_SHADOW,
/** ROM page. (R-X) */
PGMPAGETYPE_ROM,
/** MMIO page. (---) */
PGMPAGETYPE_MMIO,
/** End of valid entries. */
PGMPAGETYPE_END
} PGMPAGETYPE;
AssertCompile(PGMPAGETYPE_END == 8);
VMMDECL(PGMPAGETYPE) PGMPhysGetPageType(PVM pVM, RTGCPHYS GCPhys);
VMMDECL(int) PGMPhysGCPhys2HCPhys(PVM pVM, RTGCPHYS GCPhys, PRTHCPHYS pHCPhys);
VMMDECL(int) PGMPhysGCPtr2HCPhys(PVMCPU pVCpu, RTGCPTR GCPtr, PRTHCPHYS pHCPhys);
VMMDECL(int) PGMPhysGCPhys2CCPtr(PVM pVM, RTGCPHYS GCPhys, void **ppv, PPGMPAGEMAPLOCK pLock);
VMMDECL(int) PGMPhysGCPhys2CCPtrReadOnly(PVM pVM, RTGCPHYS GCPhys, void const **ppv, PPGMPAGEMAPLOCK pLock);
VMMDECL(int) PGMPhysGCPtr2CCPtr(PVMCPU pVCpu, RTGCPTR GCPtr, void **ppv, PPGMPAGEMAPLOCK pLock);
VMMDECL(int) PGMPhysGCPtr2CCPtrReadOnly(PVMCPU pVCpu, RTGCPTR GCPtr, void const **ppv, PPGMPAGEMAPLOCK pLock);
VMMR3DECL(void) PGMR3ResetNoMorePhysWritesFlag(PVM pVM);
/** @} */
#endif
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