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Implement core pool allocation and deallocation logic
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This commit is contained in:
Aiken Harris
2026-03-21 20:35:02 +01:00
parent b83eaaa820
commit d85e313c15
6 changed files with 1539 additions and 11 deletions
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29
xtoskrnl/includes/mm/pool.hh
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@@ -18,20 +18,49 @@ namespace MM
class Pool
{
protected:
STATIC POOL_DESCRIPTOR NonPagedPoolDescriptor;
STATIC PFN_NUMBER NonPagedPoolFrameEnd;
STATIC PFN_NUMBER NonPagedPoolFrameStart;
STATIC LIST_ENTRY NonPagedPoolFreeList[MM_MAX_FREE_PAGE_LIST_HEADS];
STATIC ULONG PoolSecureCookie;
STATIC PPOOL_DESCRIPTOR PoolVector[2];
public:
STATIC XTAPI MMPOOL_TYPE DeterminePoolType(IN PVOID VirtualAddress);
STATIC XTAPI VOID InitializeNonPagedPool(VOID);
STATIC XTAPI VOID InitializePagedPool(VOID);
STATIC XTAPI VOID InitializePoolSecurity(VOID);
protected:
STATIC XTAPI PLIST_ENTRY DecodePoolLink(IN PLIST_ENTRY PoolLink);
STATIC XTAPI PLIST_ENTRY EncodePoolLink(IN PLIST_ENTRY PoolLink);
STATIC XTAPI PPOOL_HEADER GetPoolBlock(IN PPOOL_HEADER Header, IN SSIZE_T Index);
STATIC XTAPI PPOOL_HEADER GetPoolEntry(IN PVOID Payload);
STATIC XTAPI PLIST_ENTRY GetPoolFreeBlock(IN PPOOL_HEADER Header);
STATIC XTAPI PPOOL_HEADER GetPoolNextBlock(IN PPOOL_HEADER Header);
STATIC XTAPI PPOOL_HEADER GetPoolPreviousBlock(IN PPOOL_HEADER Header);
STATIC XTAPI VOID InsertPoolHeadList(IN PLIST_ENTRY ListHead,
IN PLIST_ENTRY Entry);
STATIC XTAPI VOID InsertPoolTailList(IN PLIST_ENTRY ListHead,
IN PLIST_ENTRY Entry);
STATIC XTAPI BOOLEAN PoolListEmpty(IN PLIST_ENTRY ListHead);
STATIC XTAPI VOID RemovePoolEntryList(IN PLIST_ENTRY Entry);
STATIC XTAPI PLIST_ENTRY RemovePoolHeadList(IN PLIST_ENTRY ListHead);
STATIC XTAPI PLIST_ENTRY RemovePoolTailList(IN PLIST_ENTRY ListHead);
STATIC XTAPI VOID VerifyPoolBlocks(IN PVOID Block);
STATIC XTAPI VOID VerifyPoolHeader(IN PPOOL_HEADER Entry);
STATIC XTAPI VOID VerifyPoolLinks(IN PLIST_ENTRY ListHead);
STATIC XTAPI VOID VerifyRunLevel(IN MMPOOL_TYPE PoolType,
IN SIZE_T Bytes,
IN PVOID Entry);
private:
STATIC XTAPI VOID InitializePoolDescriptor(IN PPOOL_DESCRIPTOR Descriptor,
IN MMPOOL_TYPE PoolType,
IN ULONG Index,
IN ULONG Threshold,
IN PVOID LockAddress);
STATIC XTAPI VOID InitializePoolListHead(IN PLIST_ENTRY ListHead);
STATIC XTAPI VOID MapNonPagedPool(VOID);
};
}