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Refactor PageMap to enable architecture-specific VA translation
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This commit is contained in:
Aiken Harris
2025-11-29 23:37:08 +01:00
parent c099882866
commit 931586eebd
2 changed files with 169 additions and 74 deletions
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27
xtoskrnl/includes/mm/amd64/pagemap.hh
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@@ -1,13 +1,13 @@
/**
* PROJECT: ExectOS
* COPYRIGHT: See COPYING.md in the top level directory
* FILE: xtoskrnl/includes/mm/pagemap.hh
* FILE: xtoskrnl/includes/mm/amd64/pagemap.hh
* DESCRIPTION: Low-level support for page map manipulation
* DEVELOPERS: Aiken Harris <harraiken91@gmail.com>
*/
#ifndef __XTOSKRNL_MM_PAGEMAP_HH
#define __XTOSKRNL_MM_PAGEMAP_HH
#ifndef __XTOSKRNL_MM_AMD64_PAGEMAP_HH
#define __XTOSKRNL_MM_AMD64_PAGEMAP_HH
#include <xtos.hh>
@@ -22,7 +22,7 @@ namespace MM
public:
XTAPI PMMPTE AdvancePte(IN PMMPTE Pte,
IN ULONG Count);
IN LONG Count);
XTAPI VOID ClearPte(IN PMMPTE PtePointer);
XTAPI ULONGLONG GetEmptyPteList(VOID);
XTAPI ULONG_PTR GetNextEntry(IN PMMPTE Pte);
@@ -34,17 +34,18 @@ namespace MM
XTAPI PFN_NUMBER GetPageFrameNumber(IN PMMPTE Pte);
XTAPI PMMPDE GetPdeAddress(IN PVOID Address);
XTAPI ULONG GetPdeIndex(IN PVOID Address);
XTAPI PVOID GetPdeVirtualAddress(IN PMMPDE PdePointer);
VIRTUAL XTAPI PVOID GetPdeVirtualAddress(IN PMMPDE PdePointer) = 0;
XTAPI PMMPPE GetPpeAddress(IN PVOID Address);
XTAPI ULONG GetPpeIndex(IN PVOID Address);
XTAPI PVOID GetPpeVirtualAddress(IN PMMPPE PpePointer);
VIRTUAL XTAPI PVOID GetPpeVirtualAddress(IN PMMPPE PpePointer) = 0;
XTAPI PMMPTE GetPteAddress(IN PVOID Address);
XTAPI ULONG GetPteIndex(IN PVOID Address);
XTAPI ULONG GetPteSize(VOID);
XTAPI PVOID GetPteVirtualAddress(IN PMMPTE PtePointer);
VIRTUAL XTAPI PVOID GetPteVirtualAddress(IN PMMPTE PtePointer) = 0;
XTAPI PMMPXE GetPxeAddress(IN PVOID Address);
XTAPI ULONG GetPxeIndex(IN PVOID Address);
XTAPI PVOID GetPxeVirtualAddress(IN PMMPXE PxePointer);
VIRTUAL XTAPI PVOID GetPxeVirtualAddress(IN PMMPXE PxePointer) = 0;
XTAPI BOOLEAN GetXpaStatus();
VIRTUAL XTAPI VOID InitializePageMapInfo(VOID) = 0;
XTAPI BOOLEAN PteValid(IN PMMPTE PtePointer);
XTAPI VOID SetNextEntry(IN PMMPTE Pte,
@@ -62,14 +63,22 @@ namespace MM
class PageMapBasic final : public PageMap
{
public:
XTAPI PVOID GetPdeVirtualAddress(IN PMMPDE PdePointer);
XTAPI PVOID GetPpeVirtualAddress(IN PMMPPE PpePointer);
XTAPI PVOID GetPteVirtualAddress(IN PMMPTE PtePointer);
XTAPI PVOID GetPxeVirtualAddress(IN PMMPXE PxePointer);
XTAPI VOID InitializePageMapInfo(VOID);
};
class PageMapXpa final : public PageMap
{
public:
XTAPI PVOID GetPdeVirtualAddress(IN PMMPDE PdePointer);
XTAPI PVOID GetPpeVirtualAddress(IN PMMPPE PpePointer);
XTAPI PVOID GetPteVirtualAddress(IN PMMPTE PtePointer);
XTAPI PVOID GetPxeVirtualAddress(IN PMMPXE PxePointer);
XTAPI VOID InitializePageMapInfo(VOID);
};
}
#endif /* __XTOSKRNL_MM_PAGEMAP_HH */
#endif /* __XTOSKRNL_MM_AMD64_PAGEMAP_HH */