apio
b360307f41
There are still some fixes to be made, but I think this is already way cleaner than before.
27 lines
800 B
C++
27 lines
800 B
C++
#pragma once
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#include "memory/Paging.h"
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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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namespace VMM
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{
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void init(); // fetch page table from 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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PageDirectoryEntry* find_pde(PageTable* root, uint64_t virtualAddress);
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PageDirectoryEntry* create_pde_if_not_exists(PageTable* root, uint64_t virtualAddress);
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void propagate_read_write(PageTable* root, uint64_t virtualAddress);
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void propagate_user(PageTable* root, uint64_t virtualAddress);
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void flush_tlb(uint64_t addr);
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}; |