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/* $Id: PGMGstDefs.h $ */
/** @file
* VBox - Page Manager, Guest Paging Template - All context code.
*/
/*
* Copyright (C) 2006-2023 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>.
*
* SPDX-License-Identifier: GPL-3.0-only
*/
/*******************************************************************************
* Defined Constants And Macros *
*******************************************************************************/
#undef GST_ATOMIC_OR
#undef GSTPT
#undef PGSTPT
#undef GSTPTE
#undef PGSTPTE
#undef GSTPD
#undef PGSTPD
#undef GSTPDE
#undef PGSTPDE
#undef GSTPTWALK
#undef PGSTPTWALK
#undef PCGSTPTWALK
#undef GST_BIG_PAGE_SIZE
#undef GST_BIG_PAGE_OFFSET_MASK
#undef GST_GIGANT_PAGE_SIZE
#undef GST_GIGANT_PAGE_OFFSET_MASK
#undef GST_PDPE_BIG_PG_MASK
#undef GST_PDE_PG_MASK
#undef GST_PDE_BIG_PG_MASK
#undef GST_PD_SHIFT
#undef GST_PD_MASK
#undef GST_PTE_PG_MASK
#undef GST_GET_PTE_SHW_FLAGS
#undef GST_PT_SHIFT
#undef GST_PT_MASK
#undef GST_CR3_PAGE_MASK
#undef GST_PDPE_ENTRIES
#undef GST_PDPT_SHIFT
#undef GST_PDPT_MASK
#undef GST_PDPE_PG_MASK
#undef GST_GET_PTE_GCPHYS
#undef GST_GET_PDE_GCPHYS
#undef GST_GET_BIG_PDE_GCPHYS
#undef GST_GET_BIG_PDPE_GCPHYS
#undef GST_GET_PDE_SHW_FLAGS
#undef GST_GET_BIG_PDE_SHW_FLAGS
#undef GST_GET_BIG_PDE_SHW_FLAGS_4_PTE
#undef GST_IS_PTE_VALID
#undef GST_IS_PDE_VALID
#undef GST_IS_BIG_PDE_VALID
#undef GST_IS_PDPE_VALID
#undef GST_IS_BIG_PDPE_VALID
#undef GST_IS_PML4E_VALID
#undef GST_IS_PGENTRY_PRESENT
#undef GST_IS_PSE_ACTIVE
#undef GST_IS_NX_ACTIVE
#undef BTH_IS_NP_ACTIVE
#if PGM_GST_TYPE == PGM_TYPE_REAL \
|| PGM_GST_TYPE == PGM_TYPE_PROT
# if PGM_SHW_TYPE == PGM_TYPE_EPT
# define GST_ATOMIC_OR(a_pu, a_fFlags) ASMAtomicOrU64((a_pu), (a_fFlags))
# define GSTPT X86PTPAE
# define PGSTPT PX86PTPAE
# define GSTPTE X86PTEPAE
# define PGSTPTE PX86PTEPAE
# define GSTPD X86PDPAE
# define PGSTPD PX86PDPAE
# define GSTPDE X86PDEPAE
# define PGSTPDE PX86PDEPAE
# define GST_PTE_PG_MASK X86_PTE_PAE_PG_MASK
# define GST_IS_NX_ACTIVE(pVCpu) (true && This_should_perhaps_not_be_used_in_this_context)
# define BTH_IS_NP_ACTIVE(pVM) (true)
# else
# if PGM_SHW_TYPE == PGM_TYPE_32BIT /* Same as shadow paging, but no PGMSHWPTEPAE. */
# define GST_ATOMIC_OR(a_pu, a_fFlags) ASMAtomicOrU32((a_pu), (a_fFlags))
# define GSTPT X86PT
# define PGSTPT PX86PT
# define GSTPTE X86PTE
# define PGSTPTE PX86PTE
# define GSTPD X86PD
# define PGSTPD PX86PD
# define GSTPDE X86PDE
# define PGSTPDE PX86PDE
# define GST_PTE_PG_MASK X86_PTE_PG_MASK
# else
# define GST_ATOMIC_OR(a_pu, a_fFlags) ASMAtomicOrU64((a_pu), (a_fFlags))
# define GSTPT X86PTPAE
# define PGSTPT PX86PTPAE
# define GSTPTE X86PTEPAE
# define PGSTPTE PX86PTEPAE
# define GSTPD X86PDPAE
# define PGSTPD PX86PDPAE
# define GSTPDE X86PDEPAE
# define PGSTPDE PX86PDEPAE
# define GST_PTE_PG_MASK X86_PTE_PAE_PG_MASK
# endif
# define GST_IS_NX_ACTIVE(pVCpu) (pgmGstIsNoExecuteActive(pVCpu))
# if PGM_GST_TYPE == PGM_TYPE_PROT /* (comment at top of PGMAllBth.h) */
# define BTH_IS_NP_ACTIVE(pVM) (pVM->pgm.s.fNestedPaging)
# else
# define BTH_IS_NP_ACTIVE(pVM) (false)
# endif
# endif
# define GST_GET_PTE_GCPHYS(Pte) PGM_A20_APPLY(pVCpu, ((Pte).u & GST_PTE_PG_MASK))
# define GST_GET_PDE_GCPHYS(Pde) (true && This_should_perhaps_not_be_used_in_this_context) //??
# define GST_GET_BIG_PDE_GCPHYS(Pde) (true && This_should_perhaps_not_be_used_in_this_context) //??
# define GST_GET_PTE_SHW_FLAGS(pVCpu, Pte) ((Pte).u & (X86_PTE_P | X86_PTE_RW | X86_PTE_US | X86_PTE_A | X86_PTE_D | X86_PTE_G)) /**< @todo Could return P|RW|US|A|D here without consulting the PTE. */
# define GST_GET_PDE_SHW_FLAGS(pVCpu, Pde) (true && This_should_perhaps_not_be_used_in_this_context) //??
# define GST_GET_BIG_PDE_SHW_FLAGS(pVCpu, Pde) (true && This_should_perhaps_not_be_used_in_this_context) //??
# define GST_GET_BIG_PDE_SHW_FLAGS_4_PTE(pVCpu, Pde) (true && This_should_perhaps_not_be_used_in_this_context) //??
# define GST_IS_PTE_VALID(pVCpu, Pte) (true)
# define GST_IS_PDE_VALID(pVCpu, Pde) (true)
# define GST_IS_BIG_PDE_VALID(pVCpu, Pde) (true)
# define GST_IS_PDPE_VALID(pVCpu, Pdpe) (true)
# define GST_IS_BIG_PDPE_VALID(pVCpu, Pdpe) (true)
# define GST_IS_PML4E_VALID(pVCpu, Pml4e) (true)
# define GST_IS_PGENTRY_PRESENT(pVCpu, Pge) ((Pge.u) & X86_PTE_P)
# define GST_IS_PSE_ACTIVE(pVCpu) (false && This_should_not_be_used_in_this_context)
#elif PGM_GST_TYPE == PGM_TYPE_32BIT
# define GST_ATOMIC_OR(a_pu, a_fFlags) ASMAtomicOrU32((a_pu), (a_fFlags))
# define GSTPT X86PT
# define PGSTPT PX86PT
# define GSTPTE X86PTE
# define PGSTPTE PX86PTE
# define GSTPD X86PD
# define PGSTPD PX86PD
# define GSTPDE X86PDE
# define PGSTPDE PX86PDE
# define GSTPTWALK PGMPTWALKGST32BIT
# define PGSTPTWALK PPGMPTWALKGST32BIT
# define PCGSTPTWALK PCPGMPTWALKGST32BIT
# define GST_BIG_PAGE_SIZE X86_PAGE_4M_SIZE
# define GST_BIG_PAGE_OFFSET_MASK X86_PAGE_4M_OFFSET_MASK
# define GST_PDE_PG_MASK X86_PDE_PG_MASK
# define GST_PDE_BIG_PG_MASK X86_PDE4M_PG_MASK
# define GST_GET_PTE_GCPHYS(Pte) PGM_A20_APPLY(pVCpu, ((Pte).u & GST_PDE_PG_MASK))
# define GST_GET_PDE_GCPHYS(Pde) PGM_A20_APPLY(pVCpu, ((Pde).u & GST_PDE_PG_MASK))
# define GST_GET_BIG_PDE_GCPHYS(pVM, Pde) PGM_A20_APPLY(pVCpu, pgmGstGet4MBPhysPage((pVM), Pde))
# define GST_GET_PDE_SHW_FLAGS(pVCpu, Pde) ((Pde).u & (X86_PDE_P | X86_PDE_RW | X86_PDE_US | X86_PDE_A))
# define GST_GET_BIG_PDE_SHW_FLAGS(pVCpu, Pde) \
( ((Pde).u & (X86_PDE4M_P | X86_PDE4M_RW | X86_PDE4M_US | X86_PDE4M_A)) | PGM_PDFLAGS_BIG_PAGE )
# define GST_GET_BIG_PDE_SHW_FLAGS_4_PTE(pVCpu, Pde) \
((Pde).u & (X86_PDE4M_P | X86_PDE4M_RW | X86_PDE4M_US | X86_PDE4M_A | X86_PDE4M_D | X86_PDE4M_G))
# define GST_PD_SHIFT X86_PD_SHIFT
# define GST_PD_MASK X86_PD_MASK
# define GST_PTE_PG_MASK X86_PTE_PG_MASK
# define GST_GET_PTE_SHW_FLAGS(pVCpu, Pte) ((Pte).u & (X86_PTE_P | X86_PTE_RW | X86_PTE_US | X86_PTE_A | X86_PTE_D | X86_PTE_G))
# define GST_PT_SHIFT X86_PT_SHIFT
# define GST_PT_MASK X86_PT_MASK
# define GST_CR3_PAGE_MASK X86_CR3_PAGE_MASK
# define GST_IS_PTE_VALID(pVCpu, Pte) (true)
# define GST_IS_PDE_VALID(pVCpu, Pde) (true)
# define GST_IS_BIG_PDE_VALID(pVCpu, Pde) (!( (Pde).u & (pVCpu)->pgm.s.fGst32BitMbzBigPdeMask ))
//# define GST_IS_PDPE_VALID(pVCpu, Pdpe) (false)
//# define GST_IS_BIG_PDPE_VALID(pVCpu, Pdpe) (false)
//# define GST_IS_PML4E_VALID(pVCpu, Pml4e) (false)
# define GST_IS_PGENTRY_PRESENT(pVCpu, Pge) ((Pge.u) & X86_PTE_P)
# define GST_IS_PSE_ACTIVE(pVCpu) pgmGst32BitIsPageSizeExtActive(pVCpu)
# define GST_IS_NX_ACTIVE(pVCpu) (false)
# define BTH_IS_NP_ACTIVE(pVM) (false)
#elif PGM_GST_TYPE == PGM_TYPE_PAE \
|| PGM_GST_TYPE == PGM_TYPE_AMD64
# define GST_ATOMIC_OR(a_pu, a_fFlags) ASMAtomicOrU64((a_pu), (a_fFlags))
# define GSTPT X86PTPAE
# define PGSTPT PX86PTPAE
# define GSTPTE X86PTEPAE
# define PGSTPTE PX86PTEPAE
# define GSTPD X86PDPAE
# define PGSTPD PX86PDPAE
# define GSTPDE X86PDEPAE
# define PGSTPDE PX86PDEPAE
# define GST_BIG_PAGE_SIZE X86_PAGE_2M_SIZE
# define GST_BIG_PAGE_OFFSET_MASK X86_PAGE_2M_OFFSET_MASK
# define GST_PDE_PG_MASK X86_PDE_PAE_PG_MASK
# define GST_PDE_BIG_PG_MASK X86_PDE2M_PAE_PG_MASK
# define GST_GET_PTE_GCPHYS(Pte) PGM_A20_APPLY(pVCpu, ((Pte).u & GST_PTE_PG_MASK))
# define GST_GET_PDE_GCPHYS(Pde) PGM_A20_APPLY(pVCpu, ((Pde).u & GST_PDE_PG_MASK))
# define GST_GET_BIG_PDE_GCPHYS(pVM, Pde) PGM_A20_APPLY(pVCpu, ((Pde).u & GST_PDE_BIG_PG_MASK))
# define GST_GET_PTE_SHW_FLAGS(pVCpu, Pte) ((Pte).u & (pVCpu)->pgm.s.fGst64ShadowedPteMask )
# define GST_GET_PDE_SHW_FLAGS(pVCpu, Pde) ((Pde).u & (pVCpu)->pgm.s.fGst64ShadowedPdeMask )
# define GST_GET_BIG_PDE_SHW_FLAGS(pVCpu, Pde) ( ((Pde).u & (pVCpu)->pgm.s.fGst64ShadowedBigPdeMask ) | PGM_PDFLAGS_BIG_PAGE)
# define GST_GET_BIG_PDE_SHW_FLAGS_4_PTE(pVCpu, Pde) ((Pde).u & (pVCpu)->pgm.s.fGst64ShadowedBigPde4PteMask )
# define GST_PD_SHIFT X86_PD_PAE_SHIFT
# define GST_PD_MASK X86_PD_PAE_MASK
# if PGM_GST_TYPE == PGM_TYPE_PAE
# define GSTPTWALK PGMPTWALKGSTPAE
# define PGSTPTWALK PPGMPTWALKGSTPAE
# define PCGSTPTWALK PCPGMPTWALKGSTPAE
# define GST_PDPE_ENTRIES X86_PG_PAE_PDPE_ENTRIES
# define GST_PDPE_PG_MASK X86_PDPE_PG_MASK
# define GST_PDPT_SHIFT X86_PDPT_SHIFT
# define GST_PDPT_MASK X86_PDPT_MASK_PAE
# define GST_PTE_PG_MASK X86_PTE_PAE_PG_MASK
# define GST_CR3_PAGE_MASK X86_CR3_PAE_PAGE_MASK
# define GST_IS_PTE_VALID(pVCpu, Pte) (!( (Pte).u & (pVCpu)->pgm.s.fGstPaeMbzPteMask ))
# define GST_IS_PDE_VALID(pVCpu, Pde) (!( (Pde).u & (pVCpu)->pgm.s.fGstPaeMbzPdeMask ))
# define GST_IS_BIG_PDE_VALID(pVCpu, Pde) (!( (Pde).u & (pVCpu)->pgm.s.fGstPaeMbzBigPdeMask ))
# define GST_IS_PDPE_VALID(pVCpu, Pdpe) (!( (Pdpe).u & (pVCpu)->pgm.s.fGstPaeMbzPdpeMask ))
//# define GST_IS_BIG_PDPE_VALID(pVCpu, Pdpe) (false)
//# define GST_IS_PML4E_VALID(pVCpu, Pml4e) (false)
# else
# define GSTPTWALK PGMPTWALKGSTAMD64
# define PGSTPTWALK PPGMPTWALKGSTAMD64
# define PCGSTPTWALK PCPGMPTWALKGSTAMD64
# define GST_PDPE_ENTRIES X86_PG_AMD64_PDPE_ENTRIES
# define GST_PDPT_SHIFT X86_PDPT_SHIFT
# define GST_PDPE_PG_MASK X86_PDPE_PG_MASK
# define GST_PDPT_MASK X86_PDPT_MASK_AMD64
# define GST_PTE_PG_MASK X86_PTE_PAE_PG_MASK
# define GST_CR3_PAGE_MASK X86_CR3_AMD64_PAGE_MASK
# define GST_IS_PTE_VALID(pVCpu, Pte) (!( (Pte).u & (pVCpu)->pgm.s.fGstAmd64MbzPteMask ))
# define GST_IS_PDE_VALID(pVCpu, Pde) (!( (Pde).u & (pVCpu)->pgm.s.fGstAmd64MbzPdeMask ))
# define GST_IS_BIG_PDE_VALID(pVCpu, Pde) (!( (Pde).u & (pVCpu)->pgm.s.fGstAmd64MbzBigPdeMask ))
# define GST_IS_PDPE_VALID(pVCpu, Pdpe) (!( (Pdpe).u & (pVCpu)->pgm.s.fGstAmd64MbzPdpeMask ))
# define GST_IS_BIG_PDPE_VALID(pVCpu, Pdpe) (!( (Pdpe).u & (pVCpu)->pgm.s.fGstAmd64MbzBigPdpeMask ))
# define GST_IS_PML4E_VALID(pVCpu, Pml4e) (!( (Pml4e).u & (pVCpu)->pgm.s.fGstAmd64MbzPml4eMask ))
# endif
# define GST_IS_PGENTRY_PRESENT(pVCpu, Pge) ((Pge.u) & X86_PTE_P)
# define GST_PT_SHIFT X86_PT_PAE_SHIFT
# define GST_PT_MASK X86_PT_PAE_MASK
# define GST_IS_PSE_ACTIVE(pVCpu) (true)
# define GST_IS_NX_ACTIVE(pVCpu) (pgmGstIsNoExecuteActive(pVCpu))
# define BTH_IS_NP_ACTIVE(pVM) (false)
#else
# error "Unknown PGM_GST_TYPE."
#endif
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