/* $Id: PGMSlatDefs.h 98103 2023-01-17 14:15:46Z vboxsync $ */ /** @file * VBox - Page Manager, SLAT Paging Template - All context code. */ /* * Copyright (C) 2022-2023 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 . * * SPDX-License-Identifier: GPL-3.0-only */ /******************************************************************************* * Defined Constants And Macros * *******************************************************************************/ #undef SLAT_IS_PGENTRY_PRESENT #undef SLAT_IS_PML4E_VALID #undef SLAT_IS_PDPE_VALID #undef SLAT_IS_BIG_PDPE_VALID #undef SLAT_IS_PDE_VALID #undef SLAT_IS_BIG_PDE_VALID #undef SLAT_IS_PTE_VALID #undef SLAT_GET_PDPE1G_GCPHYS #undef SLAT_GET_PDE2M_GCPHYS #undef SLAT_GET_PTE_GCPHYS #undef SLAT_PAGE_1G_OFFSET_MASK #undef SLAT_PAGE_2M_OFFSET_MASK #undef SLAT_PML4_SHIFT #undef SLAT_PML4_MASK #undef SLAT_PDPT_SHIFT #undef SLAT_PDPT_MASK #undef SLAT_PD_SHIFT #undef SLAT_PD_MASK #undef SLAT_PT_SHIFT #undef SLAT_PT_MASK #undef SLATPDE #undef PSLATPDE #undef SLATPTE #undef PSLATPTE #undef PSLATPTWALK #define SLAT_IS_PGENTRY_PRESENT(a_pVCpu, a_Pge) ((a_Pge.u) & (a_pVCpu)->pgm.s.fGstEptPresentMask) #define SLAT_IS_PML4E_VALID(a_pVCpu, a_Pml4e) (!( (a_Pml4e).u & (a_pVCpu)->pgm.s.fGstEptMbzPml4eMask )) #define SLAT_IS_PDPE_VALID(a_pVCpu, a_Pdpte) (!( (a_Pdpte).u & (a_pVCpu)->pgm.s.fGstEptMbzPdpteMask )) #define SLAT_IS_BIG_PDPE_VALID(a_pVCpu, a_Pdpe) (!( (a_Pdpe).u & (a_pVCpu)->pgm.s.fGstEptMbzBigPdpteMask )) #define SLAT_IS_PDE_VALID(a_pVCpu, a_Pde) (!( (a_Pde).u & (a_pVCpu)->pgm.s.fGstEptMbzPdeMask )) #define SLAT_IS_BIG_PDE_VALID(a_pVCpu, a_Pde) (!( (a_Pde).u & (a_pVCpu)->pgm.s.fGstEptMbzBigPdeMask )) #define SLAT_IS_PTE_VALID(a_pVCpu, a_Pte) (!( (a_Pte).u & (a_pVCpu)->pgm.s.fGstEptMbzPteMask )) #define SLAT_GET_PDPE1G_GCPHYS(a_pVCpu, a_Pdpte) PGM_A20_APPLY(a_pVCpu, ((a_Pdpte).u & EPT_PDPTE1G_PG_MASK)) #define SLAT_GET_PDE2M_GCPHYS(a_pVCpu, a_Pde) PGM_A20_APPLY(a_pVCpu, ((a_Pde).u & EPT_PDE2M_PG_MASK)) #define SLAT_GET_PTE_GCPHYS(a_pVCpu, a_Pte) PGM_A20_APPLY(a_pVCpu, ((a_Pte).u & EPT_E_PG_MASK)) #define SLAT_PAGE_1G_OFFSET_MASK X86_PAGE_1G_OFFSET_MASK #define SLAT_PAGE_2M_OFFSET_MASK X86_PAGE_2M_OFFSET_MASK #define SLAT_PML4_SHIFT EPT_PML4_SHIFT #define SLAT_PML4_MASK EPT_PML4_MASK #define SLAT_PDPT_SHIFT EPT_PDPT_SHIFT #define SLAT_PDPT_MASK EPT_PDPT_MASK #define SLAT_PD_SHIFT EPT_PD_SHIFT #define SLAT_PD_MASK EPT_PD_MASK #define SLAT_PT_SHIFT EPT_PT_SHIFT #define SLAT_PT_MASK EPT_PT_MASK #define SLATPDE EPTPDE #define PSLATPDE PEPTPDE #define SLATPTE EPTPTE #define PSLATPTE PEPTPTE #define PSLATPTWALK PPGMPTWALKGSTEPT #if 0 # if PGM_SHW_TYPE != PGM_TYPE_EPT # error "Only SLAT type of EPT is supported " # endif # if PGM_GST_TYPE != PGM_TYPE_EPT # error "Guest type for SLAT EPT " # endif # define GST_ATOMIC_OR(a_pu, a_fFlags) ASMAtomicOrU64((a_pu), (a_fFlags)) # define GSTPT EPTPT # define PGSTPT PEPTPT # define GSTPTE EPTPTE # define PGSTPTE PEPTPTE # define GSTPD EPTPD # define PGSTPD PEPTPD # define GSTPDE EPTPDE # define PGSTPDE PEPTPDE # define GST_GIGANT_PAGE_SIZE X86_PAGE_1G_SIZE # define GST_GIGANT_PAGE_OFFSET_MASK X86_PAGE_1G_OFFSET_MASK # define GST_PDPE_BIG_PG_MASK X86_PDPE1G_PG_MASK # 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 EPT_PDE_PG_MASK # define GST_PDE_BIG_PG_MASK EPT_PDE2M_PG_MASK # define GST_PD_SHIFT EPT_PD_SHIFT # define GST_PD_MASK EPT_PD_MASK # define GSTPTWALK PGMPTWALKGSTEPT # define PGSTPTWALK PPGMPTWALKGSTEPT # define PCGSTPTWALK PCPGMPTWALKGSTEPT # define GST_PDPE_ENTRIES EPT_PG_ENTRIES # define GST_PDPT_SHIFT EPT_PDPT_SHIFT # define GST_PDPE_PG_MASK EPT_PDPTE_PG_MASK # define GST_PDPT_MASK EPT_PDPT_MASK # define GST_PTE_PG_MASK EPT_E_PG_MASK # define GST_CR3_PAGE_MASK X86_CR3_EPT_PAGE_MASK # define GST_PT_SHIFT EPT_PT_SHIFT # define GST_PT_MASK EPT_PT_MASK # define GST_GET_PTE_GCPHYS(Pte) PGM_A20_APPLY(a_pVCpu, ((Pte).u & GST_PTE_PG_MASK)) # define GST_GET_PDE_GCPHYS(Pde) PGM_A20_APPLY(a_pVCpu, ((Pde).u & GST_PDE_PG_MASK)) # define GST_GET_BIG_PDE_GCPHYS(pVM, Pde) PGM_A20_APPLY(a_pVCpu, ((Pde).u & GST_PDE_BIG_PG_MASK)) # define GST_GET_BIG_PDPE_GCPHYS(pVM, Pde) PGM_A20_APPLY(a_pVCpu, ((Pde).u & GST_PDPE_BIG_PG_MASK)) # define GST_GET_PTE_SHW_FLAGS(a_pVCpu, Pte) (true && This_should_perhaps_not_be_used_in_this_context) # define GST_GET_PDE_SHW_FLAGS(a_pVCpu, Pde) (true && This_should_perhaps_not_be_used_in_this_context) # define GST_GET_BIG_PDE_SHW_FLAGS(a_pVCpu, Pde) (true && This_should_perhaps_not_be_used_in_this_context) # define GST_GET_BIG_PDE_SHW_FLAGS_4_PTE(a_pVCpu, Pde) (true && This_should_perhaps_not_be_used_in_this_context) # define GST_IS_PTE_VALID(a_pVCpu, Pte) (!( (Pte).u & (a_pVCpu)->pgm.s.fGstEptMbzPteMask )) # define GST_IS_PDE_VALID(a_pVCpu, Pde) (!( (Pde).u & (a_pVCpu)->pgm.s.fGstEptMbzPdeMask )) # define GST_IS_BIG_PDE_VALID(a_pVCpu, Pde) (!( (Pde).u & (a_pVCpu)->pgm.s.fGstEptMbzBigPdeMask )) # define GST_IS_PDPE_VALID(a_pVCpu, Pdpe) (!( (Pdpe).u & (a_pVCpu)->pgm.s.fGstEptMbzPdpteMask )) # define GST_IS_BIG_PDPE_VALID(a_pVCpu, Pdpe) (!( (Pdpe).u & (a_pVCpu)->pgm.s.fGstEptMbzBigPdpteMask )) # define GST_IS_PML4E_VALID(a_pVCpu, Pml4e) (!( (Pml4e).u & (a_pVCpu)->pgm.s.fGstEptMbzPml4eMask )) # define GST_IS_PGENTRY_PRESENT(a_pVCpu, Pge) ((Pge).u & EPT_PRESENT_MASK) # define GST_IS_PSE_ACTIVE(a_pVCpu) (!((a_pVCpu)->pgm.s.fGstEptMbzBigPdeMask & EPT_E_BIT_LEAF)) # define GST_IS_NX_ACTIVE(a_pVCpu) (pgmGstIsNoExecuteActive(a_pVCpu)) # define BTH_IS_NP_ACTIVE(pVM) (false) #endif