62 lines
1.3 KiB
C
62 lines
1.3 KiB
C
/*!
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@file MemoryManager.h
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@brief Functions for memory management.
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@author Satoshi Tanda
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@copyright Copyright (c) 2020 - , Satoshi Tanda. All rights reserved.
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*/
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#pragma once
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#include "Common.h"
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/*!
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@brief Allocates the requested size of memory and initialize the singleton
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memory manager instance with it.
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@param[in] PageCount - The page count to allocate for the use by the
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memory manager.
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@return MV_STATUS_SUCCESS on success; otherwise, an appropriate error code.
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*/
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_IRQL_requires_max_(PASSIVE_LEVEL)
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_Must_inspect_result_
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MV_STATUS
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MmInitializeMemoryManager (
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_In_ UINT32 PageCount
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);
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/*!
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@brief Cleans up the memory manager.
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*/
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_IRQL_requires_max_(PASSIVE_LEVEL)
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VOID
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MmCleanupMemoryManager (
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);
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/*!
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@brief Allocates page-aligned, zero-initialized physical page backed pool.
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@param[in] PageCount - The page count to allocate.
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@return The base of allocated pointer, or NULL on failure. The caller must
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free the return value with FreeSystemMemory().
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*/
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_Post_maybenull_
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_Post_writable_byte_size_(PageCount * PAGE_SIZE)
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_Must_inspect_result_
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VOID*
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MmAllocatePages (
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_In_ UINT8 PageCount
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);
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/*!
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@brief Frees the memory allocated by AllocatePages().
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@param[in] Pages - The pointer to free.
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*/
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VOID
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MmFreePages (
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_Pre_notnull_ VOID* Pages
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);
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