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exectos/sdk/xtdk/mmtypes.h
Aiken Harris 7b11a8feb1
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Add page list and PTE pool type enums
2025-11-06 06:55:31 +01:00

79 lines
2.0 KiB
C

/**
* PROJECT: ExectOS
* COPYRIGHT: See COPYING.md in the top level directory
* FILE: sdk/xtdk/mmtypes.h
* DESCRIPTION: Memory management data structures
* DEVELOPERS: Rafal Kupiec <belliash@codingworkshop.eu.org>
*/
#ifndef __XTDK_MMTYPES_H
#define __XTDK_MMTYPES_H
#include <xtbase.h>
#include ARCH_HEADER(xtstruct.h)
/* Memory manager page lists */
typedef enum _MMPAGELISTS
{
ZeroedPageList = 0,
FreePageList = 1,
StandbyPageList = 2,
ModifiedPageList = 3,
ModifiedNoWritePageList = 4,
BadPageList = 5,
ActiveAndValid = 6,
TransitionPage = 7
} MMPAGELISTS, *PMMPAGELISTS;
/* Page table pool types */
typedef enum _MMSYSTEM_PTE_POOL_TYPE
{
SystemPteSpace,
NonPagedPoolExpansion,
MaximumPtePoolTypes
} MMSYSTEM_PTE_POOL_TYPE, *PMMSYSTEM_PTE_POOL_TYPE;
/* Page map routines structure definition */
typedef CONST STRUCT _CMMPAGEMAP_ROUTINES
{
VOID (XTAPI *ClearPte)(PHARDWARE_PTE PtePointer);
BOOLEAN (XTAPI *PteValid)(PHARDWARE_PTE PtePointer);
VOID (XTAPI *SetPteCaching)(PHARDWARE_PTE PtePointer, BOOLEAN CacheDisable, BOOLEAN WriteThrough);
VOID (XTAPI *SetPte)(PHARDWARE_PTE PtePointer, PFN_NUMBER PageFrameNumber, BOOLEAN Writable);
} CMMPAGEMAP_ROUTINES, *PCMMPAGEMAP_ROUTINES;
/* Color tables structure definition */
typedef struct _MMCOLOR_TABLES
{
ULONG_PTR Flink;
PVOID Blink;
ULONG_PTR Count;
} MMCOLOR_TABLES, *PMMCOLOR_TABLES;
/* Page Frame Entry structure definition */
typedef struct _MMPFNENTRY
{
USHORT Modified:1;
USHORT ReadInProgress:1;
USHORT WriteInProgress:1;
USHORT PrototypePte:1;
USHORT PageColor:4;
USHORT PageLocation:3;
USHORT RemovalRequested:1;
USHORT CacheAttribute:2;
USHORT Rom:1;
USHORT ParityError:1;
} MMPFNENTRY, *PMMPFNENTRY;
/* Page Frame List structure definition */
typedef struct _MMPFNLIST
{
PFN_NUMBER Total;
MMPAGELISTS ListName;
PFN_NUMBER Flink;
PFN_NUMBER Blink;
} MMPFNLIST, *PMMPFNLIST;
#endif /* __XTDK_MMTYPES_H */