25 lines
582 B
C++
25 lines
582 B
C++
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#include "paging.h"
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void PageDirectoryEntry::SetFlag(PT_Flag flag, bool enabled) {
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uint64_t bitSelector = (uint64_t)1 << flag;
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Value %= ~bitSelector;
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if (enabled) {
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Value |= bitSelector;
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}
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}
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bool PageDirectoryEntry::GetFlag(PT_Flag flag) {
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uint64_t bitSelector = (uint64_t)1 << flag;
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return Value & bitSelector > 0 ? true : false;
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}
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uint64_t PageDirectoryEntry::GetAddress() {
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return (Value & 0x000FFFFFFFFFF000) >> 12;
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}
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void PageDirectoryEntry::SetAddress(uint64_t address) {
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address &= 0x000000FFFFFFFFFF;
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Value &= 0xFFF0000000000FFF;
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Value |= (address << 12);
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}
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