Relocate page mapping helpers and add PML5 support
This commit is contained in:
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de2973ac42
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0ed59f223c
@ -67,6 +67,7 @@ typedef union _APIC_BASE_REGISTER APIC_BASE_REGISTER, *PAPIC_BASE_REGISTER;
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typedef union _APIC_COMMAND_REGISTER APIC_COMMAND_REGISTER, *PAPIC_COMMAND_REGISTER;
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typedef union _APIC_COMMAND_REGISTER APIC_COMMAND_REGISTER, *PAPIC_COMMAND_REGISTER;
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typedef union _APIC_LVT_REGISTER APIC_LVT_REGISTER, *PAPIC_LVT_REGISTER;
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typedef union _APIC_LVT_REGISTER APIC_LVT_REGISTER, *PAPIC_LVT_REGISTER;
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typedef union _APIC_SPURIOUS_REGISTER APIC_SPURIOUS_REGISTER, *PAPIC_SPURIOUS_REGISTER;
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typedef union _APIC_SPURIOUS_REGISTER APIC_SPURIOUS_REGISTER, *PAPIC_SPURIOUS_REGISTER;
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typedef union _MMPTE MMP5E, *PMMP5E;
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typedef union _MMPTE MMPDE, *PMMPDE;
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typedef union _MMPTE MMPDE, *PMMPDE;
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typedef union _MMPTE MMPPE, *PMMPPE;
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typedef union _MMPTE MMPPE, *PMMPPE;
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typedef union _MMPTE MMPTE, *PMMPTE;
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typedef union _MMPTE MMPTE, *PMMPTE;
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@ -27,11 +27,15 @@ BOOLEAN
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MmpGetExtendedPhysicalAddressingStatus(VOID);
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MmpGetExtendedPhysicalAddressingStatus(VOID);
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XTAPI
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XTAPI
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PMMPTE
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PMMP5E
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MmpGetP5eAddress(PVOID Address);
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XTAPI
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PMMPDE
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MmpGetPdeAddress(PVOID Address);
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MmpGetPdeAddress(PVOID Address);
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XTAPI
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XTAPI
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PMMPTE
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PMMPPE
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MmpGetPpeAddress(PVOID Address);
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MmpGetPpeAddress(PVOID Address);
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XTAPI
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XTAPI
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@ -39,7 +43,7 @@ PMMPTE
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MmpGetPteAddress(PVOID Address);
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MmpGetPteAddress(PVOID Address);
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XTAPI
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XTAPI
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PMMPTE
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PMMPXE
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MmpGetPxeAddress(PVOID Address);
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MmpGetPxeAddress(PVOID Address);
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XTAPI
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XTAPI
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@ -47,86 +47,6 @@ MmInitializePageMapSupport(VOID)
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}
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}
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}
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}
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/**
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* Gets the address of the PDE (Page Directory Entry), that maps given address.
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*
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* @param Address
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* Specifies the address to find the PDE for.
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*
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* @return This routine returns the address of the PDE.
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*
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* @since XT 1.0
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*/
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XTAPI
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PMMPTE
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MmpGetPdeAddress(PVOID Address)
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{
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ULONGLONG Offset;
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Offset = ((((ULONGLONG)Address & (((ULONGLONG)1 << 48) - 1)) >> MM_PDI_SHIFT) << MM_PTE_SHIFT);
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return (PMMPTE)(MM_PDE_BASE + Offset);
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}
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/**
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* Gets the address of the PPE (Page Directory Pointer Table Entry), that maps given address.
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*
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* @param Address
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* Specifies the address to find the PPE for.
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*
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* @return This routine returns the address of the PPE.
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*
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* @since XT 1.0
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*/
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XTAPI
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PMMPTE
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MmpGetPpeAddress(PVOID Address)
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{
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ULONGLONG Offset;
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Offset = ((((ULONGLONG)Address & (((ULONGLONG)1 << 48) - 1)) >> MM_PPI_SHIFT) << MM_PTE_SHIFT);
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return (PMMPTE)(MM_PPE_BASE + Offset);
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}
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/**
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* Gets the address of the PTE (Page Table Entry), that maps given address.
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*
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* @param Address
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* Specifies the address to find the PTE for.
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*
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* @return This routine returns the address of the PTE.
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*
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* @since XT 1.0
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*/
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XTAPI
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PMMPTE
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MmpGetPteAddress(PVOID Address)
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{
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ULONGLONG Offset;
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Offset = ((((ULONGLONG)Address & (((ULONGLONG)1 << 48) - 1)) >> MM_PTI_SHIFT) << MM_PTE_SHIFT);
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return (PMMPTE)(MM_PTE_BASE + Offset);
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}
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/**
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* Gets the address of the PXE (Extended Page Entry), that maps given address.
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*
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* @param Address
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* Specifies the address to find the PXE for.
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*
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* @return This routine returns the address of the PXE.
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*
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* @since XT 1.0
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*/
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XTAPI
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PMMPTE
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MmpGetPxeAddress(PVOID Address)
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{
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ULONGLONG Offset;
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Offset = (((ULONGLONG)Address >> MM_PXI_SHIFT) & (MM_PXE_PER_PAGE - 1));
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return (PMMPTE)(MM_PXE_BASE + Offset);
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}
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/**
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/**
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* Performs architecture specific initialization of the XTOS Memory Manager.
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* Performs architecture specific initialization of the XTOS Memory Manager.
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*
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*
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@ -23,3 +23,103 @@ MmpGetExtendedPhysicalAddressingStatus(VOID)
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/* Check if LA57 is enabled */
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/* Check if LA57 is enabled */
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return ((ArReadControlRegister(4) & CR4_LA57) != 0) ? TRUE : FALSE;
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return ((ArReadControlRegister(4) & CR4_LA57) != 0) ? TRUE : FALSE;
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}
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}
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/**
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* Gets the address of the P5E (Page Map Level 5 Entry), that maps given address.
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*
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* @param Address
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* Specifies the virtual address for which to retrieve the corresponding P5E.
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*
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* @return This routine returns the address of the P5E, or NULL if LA57 is not enabled.
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*
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* @since XT 1.0
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*/
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XTAPI
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PMMP5E
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MmpGetP5eAddress(PVOID Address)
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{
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ULONGLONG Offset;
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Offset = (((ULONGLONG)Address >> MM_P5I_SHIFT) << MM_PTE_SHIFT);
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return (PMMP5E)((MmpPageMapInfo.P5eBase + Offset) * MmpPageMapInfo.Xpa);
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}
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/**
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* Gets the address of the PDE (Page Directory Entry), that maps given address.
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*
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* @param Address
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* Specifies the virtual address for which to retrieve the corresponding PDE.
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*
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* @return This routine returns the address of the PDE.
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*
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* @since XT 1.0
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*/
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XTAPI
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PMMPDE
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MmpGetPdeAddress(PVOID Address)
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{
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ULONGLONG Offset;
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Offset = (((ULONGLONG)Address >> MM_PDI_SHIFT) << MM_PTE_SHIFT);
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return (PMMPDE)(MmpPageMapInfo.PdeBase + Offset);
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}
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/**
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* Gets the address of the PPE (Page Directory Pointer Table Entry), that maps given address.
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*
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* @param Address
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* Specifies the virtual address for which to retrieve the corresponding PPE.
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*
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* @return This routine returns the address of the PPE.
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*
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* @since XT 1.0
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*/
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XTAPI
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PMMPPE
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MmpGetPpeAddress(PVOID Address)
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{
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ULONGLONG Offset;
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Offset = (((ULONGLONG)Address >> MM_PPI_SHIFT) << MM_PTE_SHIFT);
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return (PMMPPE)(MmpPageMapInfo.PpeBase + Offset);
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}
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/**
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* Gets the address of the PTE (Page Table Entry), that maps given address.
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*
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* @param Address
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* Specifies the virtual address for which to retrieve the corresponding PTE.
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*
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* @return This routine returns the address of the PTE.
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*
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* @since XT 1.0
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*/
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XTAPI
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PMMPTE
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MmpGetPteAddress(PVOID Address)
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{
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ULONGLONG Offset;
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Offset = (((ULONGLONG)Address >> MM_PTI_SHIFT) << MM_PTE_SHIFT);
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return (PMMPTE)(MmpPageMapInfo.PteBase + Offset);
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}
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/**
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* Gets the address of the PXE (Extended Page Entry), that maps given address.
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*
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* @param Address
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* Specifies the virtual address for which to retrieve the corresponding PXE.
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*
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* @return This routine returns the address of the PXE.
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*
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* @since XT 1.0
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*/
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XTAPI
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PMMPXE
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MmpGetPxeAddress(PVOID Address)
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{
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ULONGLONG Offset;
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Offset = (((ULONGLONG)Address >> MM_PXI_SHIFT) << MM_PTE_SHIFT);
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return (PMMPXE)(MmpPageMapInfo.PxeBase + Offset);
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}
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@ -49,48 +49,6 @@ MmInitializePageMapSupport(VOID)
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}
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}
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}
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}
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/**
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* Gets the address of the PDE (Page Directory Entry), that maps given address.
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*
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* @param Address
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* Specifies the address to find the PDE for.
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*
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* @return This routine returns the address of the PDE.
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*
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* @since XT 1.0
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*/
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XTAPI
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PMMPTE
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MmpGetPdeAddress(PVOID Address)
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{
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ULONG Offset;
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/* Calculate offset and return PTE address */
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Offset = ((((ULONG)(Address)) >> MM_PDI_SHIFT) << MM_PTE_SHIFT);
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return (PMMPTE)(MM_PDE_BASE + Offset);
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}
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/**
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* Gets the address of the PTE (Page Table Entry), that maps given address.
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*
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* @param Address
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* Specifies the address to find the PTE for.
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*
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* @return This routine returns the address of the PTE.
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*
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* @since XT 1.0
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*/
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XTAPI
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PMMPTE
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MmpGetPteAddress(PVOID Address)
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{
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ULONG Offset;
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/* Calculate offset and return PTE address */
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Offset = ((((ULONG)(Address)) >> MM_PTI_SHIFT) << MM_PTE_SHIFT);
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return (PMMPTE)(MM_PTE_BASE + Offset);
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}
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/**
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/**
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* Performs architecture specific initialization of the XTOS Memory Manager.
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* Performs architecture specific initialization of the XTOS Memory Manager.
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*
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*
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@ -23,3 +23,63 @@ MmpGetExtendedPhysicalAddressingStatus(VOID)
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/* Check if PAE is enabled */
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/* Check if PAE is enabled */
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return ((ArReadControlRegister(4) & CR4_PAE) != 0) ? TRUE : FALSE;
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return ((ArReadControlRegister(4) & CR4_PAE) != 0) ? TRUE : FALSE;
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}
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}
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/**
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* Gets the address of the PDE (Page Directory Entry), that maps given address.
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*
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* @param Address
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* Specifies the virtual address for which to retrieve the corresponding PDE.
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*
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* @return This routine returns the address of the PDE.
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*
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* @since XT 1.0
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*/
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XTAPI
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PMMPDE
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MmpGetPdeAddress(PVOID Address)
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{
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ULONG Offset;
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/* Calculate offset and return PTE address */
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Offset = ((((ULONG)(Address)) >> MmpPageMapInfo.PdiShift) << MmpPageMapInfo.PteShift);
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return (PMMPTE)(MmpPageMapInfo.PdeBase + Offset);
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}
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/**
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* Gets the address of the PPE (Page Directory Pointer Table Entry), that maps given address.
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*
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* @param Address
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* Specifies the virtual address for which to retrieve the corresponding PDE.
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*
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* @return This routine returns the address of the PPE.
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*
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* @since XT 1.0
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*/
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XTAPI
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PMMPPE
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MmpGetPpeAddress(PVOID Address)
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{
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/* Return zero */
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return 0;
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}
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/**
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* Gets the address of the PTE (Page Table Entry), that maps given address.
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*
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* @param Address
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* Specifies the virtual address for which to retrieve the corresponding PTE.
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*
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* @return This routine returns the address of the PTE.
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*
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* @since XT 1.0
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*/
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XTAPI
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PMMPTE
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MmpGetPteAddress(PVOID Address)
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{
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ULONG Offset;
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/* Calculate offset and return PTE address */
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Offset = ((((ULONG)(Address)) >> MM_PTI_SHIFT) << MmpPageMapInfo.PteShift);
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return (PMMPTE)(MM_PTE_BASE + Offset);
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}
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