59 líneas
2.3 KiB
C++
59 líneas
2.3 KiB
C++
/**
|
|
* PROJECT: ExectOS
|
|
* COPYRIGHT: See COPYING.md in the top level directory
|
|
* FILE: xtoskrnl/includes/mm/paging.hh
|
|
* DESCRIPTION: Low level page management support
|
|
* DEVELOPERS: Aiken Harris <harraiken91@gmail.com>
|
|
*/
|
|
|
|
#ifndef __XTOSKRNL_MM_PAGING_HH
|
|
#define __XTOSKRNL_MM_PAGING_HH
|
|
|
|
#include <xtos.hh>
|
|
|
|
|
|
/* Memory Manager */
|
|
namespace MM
|
|
{
|
|
class Paging
|
|
{
|
|
private:
|
|
STATIC PPAGEMAP PmlRoutines;
|
|
|
|
public:
|
|
STATIC XTAPI PMMPTE AdvancePte(PMMPTE Pte,
|
|
ULONG Count);
|
|
STATIC XTAPI VOID ClearPte(PHARDWARE_PTE PtePointer);
|
|
STATIC XTAPI VOID FlushTlb(VOID);
|
|
STATIC XTAPI ULONG_PTR GetEmptyPteList(VOID);
|
|
STATIC XTAPI ULONG_PTR GetNextEntry(PMMPTE Pte);
|
|
STATIC XTAPI PMMPTE GetNextPte(PMMPTE Pte);
|
|
STATIC XTAPI BOOLEAN GetOneEntry(PMMPTE Pte);
|
|
STATIC XTAPI PMMPDE GetPdeAddress(PVOID Address);
|
|
STATIC XTAPI PMMPPE GetPpeAddress(PVOID Address);
|
|
STATIC XTAPI PMMPTE GetPteAddress(PVOID Address);
|
|
STATIC XTAPI ULONG GetPteSize(VOID);
|
|
STATIC XTAPI VOID InitializePageMapSupport(VOID);
|
|
STATIC XTAPI BOOLEAN PteValid(PHARDWARE_PTE PtePointer);
|
|
STATIC XTAPI VOID SetNextEntry(PMMPTE Pte,
|
|
ULONG_PTR Value);
|
|
STATIC XTAPI VOID SetOneEntry(PMMPTE Pte,
|
|
BOOLEAN Value);
|
|
STATIC XTAPI VOID SetPte(PHARDWARE_PTE PtePointer,
|
|
PFN_NUMBER PageFrameNumber,
|
|
BOOLEAN Writable);
|
|
STATIC XTAPI VOID SetPteCaching(PHARDWARE_PTE PtePointer,
|
|
BOOLEAN CacheDisable,
|
|
BOOLEAN WriteThrough);
|
|
STATIC XTFASTCALL VOID ZeroPages(IN PVOID Address,
|
|
IN ULONG Size);
|
|
|
|
private:
|
|
STATIC XTAPI BOOLEAN GetExtendedPhysicalAddressingStatus(VOID);
|
|
STATIC XTAPI PPAGEMAP GetPageMapBasicRoutines(VOID);
|
|
STATIC XTAPI PPAGEMAP GetPageMapXpaRoutines(VOID);
|
|
};
|
|
}
|
|
|
|
#endif /* __XTOSKRNL_MM_PAGING_HH */
|