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Updated memory mapping functions

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This commit is contained in:
Alex
2022-11-05 04:40:15 +02:00
parent 6ae0e9db26
commit 52ef1e3b3b
4 changed files with 91 additions and 73 deletions
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22
Core/Memory/PageMapIndexer.cpp Normal file
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@ -0,0 +1,22 @@
#include <memory.hpp>
namespace Memory
{
Virtual::PageMapIndexer::PageMapIndexer(uint64_t VirtualAddress)
{
#if defined(__amd64__)
this->PDPIndex = (VirtualAddress & ((uint64_t)0x1FF << 39)) >> 39;
this->PDIndex = (VirtualAddress & ((uint64_t)0x1FF << 30)) >> 30;
this->PTIndex = (VirtualAddress & ((uint64_t)0x1FF << 21)) >> 21;
this->PIndex = (VirtualAddress & ((uint64_t)0x1FF << 12)) >> 12;
#elif defined(__i386__)
this->PDIndex = (VirtualAddress & ((uint64_t)0x3FF << 22)) >> 22;
this->PTIndex = (VirtualAddress & ((uint64_t)0x3FF << 12)) >> 12;
this->PIndex = (VirtualAddress & ((uint64_t)0xFFF)) >> 0;
#elif defined(__aarch64__)
this->PDIndex = (VirtualAddress & ((uint64_t)0x1FF << 30)) >> 30;
this->PTIndex = (VirtualAddress & ((uint64_t)0x1FF << 21)) >> 21;
this->PIndex = (VirtualAddress & ((uint64_t)0x1FF << 12)) >> 12;
#endif
}
}