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[NTOS:MM] Add a few MiP*eToP*e helpers

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And turn some of the existing ones into inline functions for the sake of type checking
This commit is contained in:
Jérôme Gardou 2021-05-25 16:05:57 +02:00 committed by Jérôme Gardou
parent ed1038ff9c
commit b48e27ada1
1 changed files with 63 additions and 4 deletions
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67
ntoskrnl/include/internal/amd64/mm.h
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@ -231,10 +231,69 @@ MiPxeToAddress(PMMPTE PointerPxe)
return (PVOID)(((LONG64)PointerPxe << 52) >> 16);
}
/* Translate between P*Es */
#define MiPdeToPte(_Pde) ((PMMPTE)MiPteToAddress(_Pde))
#define MiPteToPde(_Pte) ((PMMPDE)MiAddressToPte(_Pte))
#define MiPdeToPpe(_Pde) ((PMMPPE)MiAddressToPte(_Pde))
/* Convert a PDE into its lowest PTE */
FORCEINLINE
PMMPTE
MiPdeToPte(PMMPDE PointerPde)
{
return (PMMPTE)MiPteToAddress(PointerPde);
}
/* Convert a PPE into its lowest PTE */
FORCEINLINE
PMMPTE
MiPpeToPte(PMMPPE PointerPpe)
{
return (PMMPTE)MiPdeToAddress(PointerPpe);
}
/* Convert a PXE into its lowest PTE */
FORCEINLINE
PMMPTE
MiPxeToPte(PMMPXE PointerPxe)
{
return (PMMPTE)MiPpeToAddress(PointerPxe);
}
/* Convert a PTE to a corresponding PDE */
FORCEINLINE
PMMPDE
MiPteToPde(PMMPTE PointerPte)
{
return (PMMPDE)MiAddressToPte(PointerPte);
}
/* Convert a PTE to a corresponding PPE */
FORCEINLINE
PMMPPE
MiPteToPpe(PMMPTE PointerPte)
{
return (PMMPPE)MiAddressToPde(PointerPte);
}
/* Convert a PTE to a corresponding PXE */
FORCEINLINE
PMMPXE
MiPteToPxe(PMMPTE PointerPte)
{
return (PMMPXE)MiAddressToPpe(PointerPte);
}
/* Convert a PDE to a corresponding PPE */
FORCEINLINE
PMMPDE
MiPdeToPpe(PMMPDE PointerPde)
{
return (PMMPPE)MiAddressToPte(PointerPde);
}
/* Convert a PDE to a corresponding PXE */
FORCEINLINE
PMMPXE
MiPdeToPxe(PMMPDE PointerPde)
{
return (PMMPXE)MiAddressToPde(PointerPde);
}
/* Check P*E boundaries */
#define MiIsPteOnPdeBoundary(PointerPte) \