69 lines
3.1 KiB
C++
69 lines
3.1 KiB
C++
/**
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* PROJECT: ExectOS
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* COPYRIGHT: See COPYING.md in the top level directory
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* FILE: xtoskrnl/includes/mm/pool.hh
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* DESCRIPTION: Memory Manager pool manager
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* DEVELOPERS: Aiken Harris <harraiken91@gmail.com>
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*/
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#ifndef __XTOSKRNL_MM_POOL_HH
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#define __XTOSKRNL_MM_POOL_HH
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#include <xtos.hh>
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/* Memory Manager */
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namespace MM
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{
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class Pool
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{
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protected:
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STATIC POOL_DESCRIPTOR NonPagedPoolDescriptor;
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STATIC PFN_NUMBER NonPagedPoolFrameEnd;
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STATIC PFN_NUMBER NonPagedPoolFrameStart;
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STATIC LIST_ENTRY NonPagedPoolFreeList[MM_MAX_FREE_PAGE_LIST_HEADS];
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STATIC ULONG PoolSecureCookie;
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STATIC PPOOL_DESCRIPTOR PoolVector[2];
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public:
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STATIC XTAPI MMPOOL_TYPE DeterminePoolType(IN PVOID VirtualAddress);
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STATIC XTAPI VOID InitializeNonPagedPool(VOID);
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STATIC XTAPI VOID InitializePagedPool(VOID);
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STATIC XTAPI VOID InitializePoolSecurity(VOID);
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protected:
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STATIC XTAPI PLIST_ENTRY DecodePoolLink(IN PLIST_ENTRY PoolLink);
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STATIC XTAPI PLIST_ENTRY EncodePoolLink(IN PLIST_ENTRY PoolLink);
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STATIC XTAPI PPOOL_HEADER GetPoolBlock(IN PPOOL_HEADER Header, IN SSIZE_T Index);
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STATIC XTAPI PPOOL_HEADER GetPoolEntry(IN PVOID Payload);
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STATIC XTAPI PLIST_ENTRY GetPoolFreeBlock(IN PPOOL_HEADER Header);
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STATIC XTAPI PPOOL_HEADER GetPoolNextBlock(IN PPOOL_HEADER Header);
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STATIC XTAPI PPOOL_HEADER GetPoolPreviousBlock(IN PPOOL_HEADER Header);
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STATIC XTAPI VOID InsertPoolHeadList(IN PLIST_ENTRY ListHead,
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IN PLIST_ENTRY Entry);
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STATIC XTAPI VOID InsertPoolTailList(IN PLIST_ENTRY ListHead,
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IN PLIST_ENTRY Entry);
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STATIC XTAPI BOOLEAN PoolListEmpty(IN PLIST_ENTRY ListHead);
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STATIC XTAPI VOID RemovePoolEntryList(IN PLIST_ENTRY Entry);
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STATIC XTAPI PLIST_ENTRY RemovePoolHeadList(IN PLIST_ENTRY ListHead);
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STATIC XTAPI PLIST_ENTRY RemovePoolTailList(IN PLIST_ENTRY ListHead);
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STATIC XTAPI VOID VerifyPoolBlocks(IN PVOID Block);
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STATIC XTAPI VOID VerifyPoolHeader(IN PPOOL_HEADER Entry);
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STATIC XTAPI VOID VerifyPoolLinks(IN PLIST_ENTRY ListHead);
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STATIC XTAPI VOID VerifyRunLevel(IN MMPOOL_TYPE PoolType,
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IN SIZE_T Bytes,
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IN PVOID Entry);
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private:
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STATIC XTAPI VOID InitializePoolDescriptor(IN PPOOL_DESCRIPTOR Descriptor,
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IN MMPOOL_TYPE PoolType,
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IN ULONG Index,
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IN ULONG Threshold,
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IN PVOID LockAddress);
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STATIC XTAPI VOID InitializePoolListHead(IN PLIST_ENTRY ListHead);
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STATIC XTAPI VOID MapNonPagedPool(VOID);
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};
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}
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#endif /* __XTOSKRNL_MM_POOL_HH */
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