58 lines
2.4 KiB
C++
58 lines
2.4 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/alloc.hh
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* DESCRIPTION: Memory manager pool allocation
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* DEVELOPERS: Aiken Harris <harraiken91@gmail.com>
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*/
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#ifndef __XTOSKRNL_MM_ALLOC_HH
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#define __XTOSKRNL_MM_ALLOC_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 Allocator
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{
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private:
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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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public:
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STATIC XTAPI XTSTATUS AllocatePages(IN MMPOOL_TYPE PoolType,
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IN SIZE_T Bytes,
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OUT PVOID *Memory);
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STATIC XTAPI XTSTATUS AllocatePool(IN MMPOOL_TYPE PoolType,
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IN SIZE_T Bytes,
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OUT PVOID *Memory);
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STATIC XTAPI XTSTATUS AllocatePool(IN MMPOOL_TYPE PoolType,
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IN SIZE_T Bytes,
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OUT PVOID *Memory,
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IN ULONG Tag);
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STATIC XTAPI XTSTATUS FreePages(IN PVOID VirtualAddress);
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STATIC XTAPI XTSTATUS FreePool(IN PVOID VirtualAddress);
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STATIC XTAPI XTSTATUS FreePool(IN PVOID VirtualAddress,
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IN ULONG Tag);
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STATIC XTAPI VOID InitializeNonPagedPool(VOID);
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STATIC XTAPI VOID InitializePagedPool(VOID);
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private:
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STATIC XTAPI XTSTATUS AllocateNonPagedPoolPages(IN PFN_COUNT Pages,
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OUT PVOID *Memory);
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STATIC XTAPI XTSTATUS AllocatePagedPoolPages(IN PFN_COUNT Pages,
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OUT PVOID *Memory);
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STATIC XTAPI XTSTATUS FreeNonPagedPoolPages(IN PVOID VirtualAddress);
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STATIC XTAPI XTSTATUS FreePagedPoolPages(IN PVOID VirtualAddress);
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STATIC XTAPI VOID MapNonPagedPool(VOID);
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STATIC XTINLINE 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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};
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}
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#endif /* __XTOSKRNL_MM_ALLOC_HH */
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