29 lines
686 B
C++
29 lines
686 B
C++
#pragma once
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#include "memory/Paging.h"
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namespace Paging
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{
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enum Flags
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{
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ReadWrite = 1 << 0,
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User = 1 << 1,
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Execute = 1 << 2
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};
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class VirtualMemoryManager
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{
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public:
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void init(); // fetch page table from cr3
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void init(PageTable* cr3);
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void map(uint64_t virtualAddress, uint64_t physicalAddress, int flags);
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void remap(uint64_t virtualAddress, int flags);
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void unmap(uint64_t virtualAddress);
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uint64_t getPhysical(uint64_t virtualAddress);
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uint64_t getFlags(uint64_t virtualAddress);
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private:
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PageTable* PML4;
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};
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}
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extern Paging::VirtualMemoryManager kernelVMM; |