| 1 | /* $Id: PGMSlatDefs.h 96296 2022-08-18 11:48:02Z vboxsync $ */
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| 2 | /** @file
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| 3 | * VBox - Page Manager, SLAT Paging Template - All context code.
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| 4 | */
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| 5 |
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| 6 | /*
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| 7 | * Copyright (C) 2022 Oracle Corporation
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| 8 | *
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| 9 | * This file is part of VirtualBox Open Source Edition (OSE), as
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| 10 | * available from http://www.alldomusa.eu.org. This file is free software;
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| 11 | * you can redistribute it and/or modify it under the terms of the GNU
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| 12 | * General Public License (GPL) as published by the Free Software
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| 13 | * Foundation, in version 2 as it comes in the "COPYING" file of the
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| 14 | * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
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| 15 | * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
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| 16 | */
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| 17 |
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| 18 |
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| 19 | /*******************************************************************************
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| 20 | * Defined Constants And Macros *
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| 21 | *******************************************************************************/
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| 22 |
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| 23 | #undef SLAT_IS_PGENTRY_PRESENT
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| 24 | #undef SLAT_IS_PML4E_VALID
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| 25 | #undef SLAT_IS_PDPE_VALID
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| 26 | #undef SLAT_IS_BIG_PDPE_VALID
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| 27 | #undef SLAT_IS_PDE_VALID
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| 28 | #undef SLAT_IS_BIG_PDE_VALID
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| 29 | #undef SLAT_IS_PTE_VALID
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| 30 | #undef SLAT_GET_PDPE1G_GCPHYS
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| 31 | #undef SLAT_GET_PDE2M_GCPHYS
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| 32 | #undef SLAT_GET_PTE_GCPHYS
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| 33 | #undef SLAT_PAGE_1G_OFFSET_MASK
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| 34 | #undef SLAT_PAGE_2M_OFFSET_MASK
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| 35 | #undef SLAT_PML4_SHIFT
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| 36 | #undef SLAT_PML4_MASK
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| 37 | #undef SLAT_PDPT_SHIFT
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| 38 | #undef SLAT_PDPT_MASK
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| 39 | #undef SLAT_PD_SHIFT
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| 40 | #undef SLAT_PD_MASK
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| 41 | #undef SLAT_PT_SHIFT
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| 42 | #undef SLAT_PT_MASK
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| 43 | #undef SLATPDE
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| 44 | #undef PSLATPDE
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| 45 | #undef SLATPTE
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| 46 | #undef PSLATPTE
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| 47 | #undef PSLATPTWALK
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| 48 |
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| 49 | #define SLAT_IS_PGENTRY_PRESENT(a_pVCpu, a_Pge) ((a_Pge.u) & EPT_PRESENT_MASK)
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| 50 | #define SLAT_IS_PML4E_VALID(a_pVCpu, a_Pml4e) (!( (a_Pml4e).u & (a_pVCpu)->pgm.s.fGstEptMbzPml4eMask ))
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| 51 | #define SLAT_IS_PDPE_VALID(a_pVCpu, a_Pdpte) (!( (a_Pdpte).u & (a_pVCpu)->pgm.s.fGstEptMbzPdpteMask ))
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| 52 | #define SLAT_IS_BIG_PDPE_VALID(a_pVCpu, a_Pdpe) (!( (a_Pdpe).u & (a_pVCpu)->pgm.s.fGstEptMbzBigPdpteMask ))
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| 53 | #define SLAT_IS_PDE_VALID(a_pVCpu, a_Pde) (!( (a_Pde).u & (a_pVCpu)->pgm.s.fGstEptMbzPdeMask ))
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| 54 | #define SLAT_IS_BIG_PDE_VALID(a_pVCpu, a_Pde) (!( (a_Pde).u & (a_pVCpu)->pgm.s.fGstEptMbzBigPdeMask ))
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| 55 | #define SLAT_IS_PTE_VALID(a_pVCpu, a_Pte) (!( (a_Pte).u & (a_pVCpu)->pgm.s.fGstEptMbzPteMask ))
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| 56 | #define SLAT_GET_PDPE1G_GCPHYS(a_pVCpu, a_Pdpte) PGM_A20_APPLY(a_pVCpu, ((a_Pdpte).u & EPT_PDPTE1G_PG_MASK))
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| 57 | #define SLAT_GET_PDE2M_GCPHYS(a_pVCpu, a_Pde) PGM_A20_APPLY(a_pVCpu, ((a_Pde).u & EPT_PDE2M_PG_MASK))
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| 58 | #define SLAT_GET_PTE_GCPHYS(a_pVCpu, a_Pte) PGM_A20_APPLY(a_pVCpu, ((a_Pte).u & EPT_E_PG_MASK))
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| 59 | #define SLAT_PAGE_1G_OFFSET_MASK X86_PAGE_1G_OFFSET_MASK
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| 60 | #define SLAT_PAGE_2M_OFFSET_MASK X86_PAGE_2M_OFFSET_MASK
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| 61 | #define SLAT_PML4_SHIFT EPT_PML4_SHIFT
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| 62 | #define SLAT_PML4_MASK EPT_PML4_MASK
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| 63 | #define SLAT_PDPT_SHIFT EPT_PDPT_SHIFT
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| 64 | #define SLAT_PDPT_MASK EPT_PDPT_MASK
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| 65 | #define SLAT_PD_SHIFT EPT_PD_SHIFT
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| 66 | #define SLAT_PD_MASK EPT_PD_MASK
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| 67 | #define SLAT_PT_SHIFT EPT_PT_SHIFT
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| 68 | #define SLAT_PT_MASK EPT_PT_MASK
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| 69 | #define SLATPDE EPTPDE
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| 70 | #define PSLATPDE PEPTPDE
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| 71 | #define SLATPTE EPTPTE
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| 72 | #define PSLATPTE PEPTPTE
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| 73 | #define PSLATPTWALK PPGMPTWALKGSTEPT
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| 74 |
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| 75 | #if 0
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| 76 | # if PGM_SHW_TYPE != PGM_TYPE_EPT
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| 77 | # error "Only SLAT type of EPT is supported "
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| 78 | # endif
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| 79 | # if PGM_GST_TYPE != PGM_TYPE_EPT
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| 80 | # error "Guest type for SLAT EPT "
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| 81 | # endif
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| 82 |
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| 83 | # define GST_ATOMIC_OR(a_pu, a_fFlags) ASMAtomicOrU64((a_pu), (a_fFlags))
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| 84 | # define GSTPT EPTPT
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| 85 | # define PGSTPT PEPTPT
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| 86 | # define GSTPTE EPTPTE
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| 87 | # define PGSTPTE PEPTPTE
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| 88 | # define GSTPD EPTPD
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| 89 | # define PGSTPD PEPTPD
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| 90 | # define GSTPDE EPTPDE
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| 91 | # define PGSTPDE PEPTPDE
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| 92 | # define GST_GIGANT_PAGE_SIZE X86_PAGE_1G_SIZE
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| 93 | # define GST_GIGANT_PAGE_OFFSET_MASK X86_PAGE_1G_OFFSET_MASK
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| 94 | # define GST_PDPE_BIG_PG_MASK X86_PDPE1G_PG_MASK
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| 95 | # define GST_BIG_PAGE_SIZE X86_PAGE_2M_SIZE
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| 96 | # define GST_BIG_PAGE_OFFSET_MASK X86_PAGE_2M_OFFSET_MASK
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| 97 | # define GST_PDE_PG_MASK EPT_PDE_PG_MASK
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| 98 | # define GST_PDE_BIG_PG_MASK EPT_PDE2M_PG_MASK
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| 99 | # define GST_PD_SHIFT EPT_PD_SHIFT
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| 100 | # define GST_PD_MASK EPT_PD_MASK
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| 101 | # define GSTPTWALK PGMPTWALKGSTEPT
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| 102 | # define PGSTPTWALK PPGMPTWALKGSTEPT
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| 103 | # define PCGSTPTWALK PCPGMPTWALKGSTEPT
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| 104 | # define GST_PDPE_ENTRIES EPT_PG_ENTRIES
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| 105 | # define GST_PDPT_SHIFT EPT_PDPT_SHIFT
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| 106 | # define GST_PDPE_PG_MASK EPT_PDPTE_PG_MASK
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| 107 | # define GST_PDPT_MASK EPT_PDPT_MASK
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| 108 | # define GST_PTE_PG_MASK EPT_E_PG_MASK
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| 109 | # define GST_CR3_PAGE_MASK X86_CR3_EPT_PAGE_MASK
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| 110 | # define GST_PT_SHIFT EPT_PT_SHIFT
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| 111 | # define GST_PT_MASK EPT_PT_MASK
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| 112 | # define GST_GET_PTE_GCPHYS(Pte) PGM_A20_APPLY(a_pVCpu, ((Pte).u & GST_PTE_PG_MASK))
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| 113 | # define GST_GET_PDE_GCPHYS(Pde) PGM_A20_APPLY(a_pVCpu, ((Pde).u & GST_PDE_PG_MASK))
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| 114 | # define GST_GET_BIG_PDE_GCPHYS(pVM, Pde) PGM_A20_APPLY(a_pVCpu, ((Pde).u & GST_PDE_BIG_PG_MASK))
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| 115 | # define GST_GET_BIG_PDPE_GCPHYS(pVM, Pde) PGM_A20_APPLY(a_pVCpu, ((Pde).u & GST_PDPE_BIG_PG_MASK))
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| 116 | # define GST_GET_PTE_SHW_FLAGS(a_pVCpu, Pte) (true && This_should_perhaps_not_be_used_in_this_context)
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| 117 | # define GST_GET_PDE_SHW_FLAGS(a_pVCpu, Pde) (true && This_should_perhaps_not_be_used_in_this_context)
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| 118 | # define GST_GET_BIG_PDE_SHW_FLAGS(a_pVCpu, Pde) (true && This_should_perhaps_not_be_used_in_this_context)
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| 119 | # define GST_GET_BIG_PDE_SHW_FLAGS_4_PTE(a_pVCpu, Pde) (true && This_should_perhaps_not_be_used_in_this_context)
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| 120 | # define GST_IS_PTE_VALID(a_pVCpu, Pte) (!( (Pte).u & (a_pVCpu)->pgm.s.fGstEptMbzPteMask ))
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| 121 | # define GST_IS_PDE_VALID(a_pVCpu, Pde) (!( (Pde).u & (a_pVCpu)->pgm.s.fGstEptMbzPdeMask ))
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| 122 | # define GST_IS_BIG_PDE_VALID(a_pVCpu, Pde) (!( (Pde).u & (a_pVCpu)->pgm.s.fGstEptMbzBigPdeMask ))
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| 123 | # define GST_IS_PDPE_VALID(a_pVCpu, Pdpe) (!( (Pdpe).u & (a_pVCpu)->pgm.s.fGstEptMbzPdpteMask ))
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| 124 | # define GST_IS_BIG_PDPE_VALID(a_pVCpu, Pdpe) (!( (Pdpe).u & (a_pVCpu)->pgm.s.fGstEptMbzBigPdpteMask ))
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| 125 | # define GST_IS_PML4E_VALID(a_pVCpu, Pml4e) (!( (Pml4e).u & (a_pVCpu)->pgm.s.fGstEptMbzPml4eMask ))
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| 126 | # define GST_IS_PGENTRY_PRESENT(a_pVCpu, Pge) ((Pge).u & EPT_PRESENT_MASK)
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| 127 | # define GST_IS_PSE_ACTIVE(a_pVCpu) (!((a_pVCpu)->pgm.s.fGstEptMbzBigPdeMask & EPT_E_BIT_LEAF))
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| 128 | # define GST_IS_NX_ACTIVE(a_pVCpu) (pgmGstIsNoExecuteActive(a_pVCpu))
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| 129 | # define BTH_IS_NP_ACTIVE(pVM) (false)
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| 130 | #endif
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| 131 |
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