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43 lines
1.4 KiB
C++
43 lines
1.4 KiB
C++
#include <memory.hpp>
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namespace Memory
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{
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void PageDirectoryEntry::AddFlag(uint64_t Flag) { this->Value.raw |= Flag; }
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void PageDirectoryEntry::RemoveFlags(uint64_t Flag) { this->Value.raw &= ~Flag; }
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void PageDirectoryEntry::ClearFlags() { this->Value.raw = 0; }
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void PageDirectoryEntry::SetFlag(uint64_t Flag, bool Enabled)
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{
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this->Value.raw = 0;
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if (Enabled)
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this->Value.raw |= Flag;
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}
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bool PageDirectoryEntry::GetFlag(uint64_t Flag) { return (this->Value.raw & Flag) > 0 ? true : false; }
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uint64_t PageDirectoryEntry::GetFlag() { return this->Value.raw; }
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void PageDirectoryEntry::SetAddress(uint64_t Address)
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{
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#if defined(__amd64__)
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Address &= 0x000000FFFFFFFFFF;
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this->Value.raw &= 0xFFF0000000000FFF;
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this->Value.raw |= (Address << 12);
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#elif defined(__i386__)
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Address &= 0x000FFFFF;
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this->Value.raw &= 0xFFC00003;
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this->Value.raw |= (Address << 12);
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#elif defined(__aarch64__)
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Address &= 0x000000FFFFFFFFFF;
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this->Value.raw &= 0xFFF0000000000FFF;
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this->Value.raw |= (Address << 12);
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#endif
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}
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uint64_t PageDirectoryEntry::GetAddress()
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{
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#if defined(__amd64__)
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return (this->Value.raw & 0x000FFFFFFFFFF000) >> 12;
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#elif defined(__i386__)
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return (this->Value.raw & 0x003FFFFF000) >> 12;
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#elif defined(__aarch64__)
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return (this->Value.raw & 0x000FFFFFFFFFF000) >> 12;
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#endif
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}
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}
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