48 lines
2.1 KiB
C++
48 lines
2.1 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/hlpool.hh
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* DESCRIPTION: Hardware layer pool memory management
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* DEVELOPERS: Aiken Harris <harraiken91@gmail.com>
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*/
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#ifndef __XTOSKRNL_MM_HLPOOL_HH
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#define __XTOSKRNL_MM_HLPOOL_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 HardwarePool
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{
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private:
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STATIC LOADER_MEMORY_DESCRIPTOR HardwareAllocationDescriptors[MM_HARDWARE_ALLOCATION_DESCRIPTORS];
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STATIC PVOID HardwareHeapStart;
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STATIC ULONG UsedHardwareAllocationDescriptors;
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public:
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STATIC XTAPI XTSTATUS AllocateHardwareMemory(IN PFN_NUMBER PageCount,
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IN BOOLEAN Aligned,
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IN ULONGLONG MaximumAddress,
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OUT PPHYSICAL_ADDRESS Buffer);
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STATIC XTAPI XTSTATUS AllocateRealModeMemory(IN PFN_NUMBER PageCount,
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OUT PVOID *MemoryAddress);
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STATIC XTAPI XTSTATUS MapHardwareMemory(IN PHYSICAL_ADDRESS PhysicalAddress,
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IN PFN_NUMBER PageCount,
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IN BOOLEAN FlushTlb,
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OUT PVOID *VirtualAddress);
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STATIC XTAPI VOID MarkHardwareMemoryWriteThrough(IN PVOID VirtualAddress,
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IN PFN_NUMBER PageCount);
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STATIC XTAPI VOID RemapHardwareMemory(IN PVOID VirtualAddress,
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IN PHYSICAL_ADDRESS PhysicalAddress,
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IN BOOLEAN FlushTlb);
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STATIC XTAPI XTSTATUS UnmapHardwareMemory(IN PVOID VirtualAddress,
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IN PFN_NUMBER PageCount,
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IN BOOLEAN FlushTlb);
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};
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}
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#endif /* __XTOSKRNL_MM_HLPOOL_HH */
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