https://git.reactos.org/?p=reactos.git;a=commitdiff;h=b48e27ada1604afe1b851314f2f63222a6fea2b5
commit b48e27ada1604afe1b851314f2f63222a6fea2b5 Author: Jérôme Gardou <[email protected]> AuthorDate: Tue May 25 16:05:57 2021 +0200 Commit: Jérôme Gardou <[email protected]> CommitDate: Wed Jun 9 11:27:18 2021 +0200 [NTOS:MM] Add a few MiP*eToP*e helpers And turn some of the existing ones into inline functions for the sake of type checking --- ntoskrnl/include/internal/amd64/mm.h | 67 +++++++++++++++++++++++++++++++++--- 1 file changed, 63 insertions(+), 4 deletions(-) diff --git a/ntoskrnl/include/internal/amd64/mm.h b/ntoskrnl/include/internal/amd64/mm.h index e62df71cfe0..3d45788222e 100644 --- a/ntoskrnl/include/internal/amd64/mm.h +++ b/ntoskrnl/include/internal/amd64/mm.h @@ -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) \
