128 lines
2.2 KiB
C++
Executable File
128 lines
2.2 KiB
C++
Executable File
/*
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* PageTableEntry.cpp
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*
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* Created on: May 22, 2019
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* Author: nathan
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*/
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#include "pagetableentry.h"
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namespace qkernel {
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static_assert(sizeof(PageTableEntry) == 4, "PTE structure is the wrong size!");
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PageTableEntry::PageTableEntry() {
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this->present = 0;
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this->rw = 0;
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this->usermode = 0;
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this->writeThrough = 0;
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this->cacheDisable = 0;
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this->accessed = 0;
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this->dirty = 0;
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this->pat = 0;
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this->global = 0;
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this->shared = 0;
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this->ignored = 0;
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this->physicalAddress = 0;
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}
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uint32_t PageTableEntry::getAccessed() const {
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return accessed;
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}
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uint32_t PageTableEntry::getCacheDisable() const {
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return cacheDisable;
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}
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void PageTableEntry::setCacheDisable(uint32_t cacheDisable)
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{
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this->cacheDisable = cacheDisable;
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}
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uint32_t PageTableEntry::getDirty() const {
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return dirty;
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}
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uint32_t PageTableEntry::getGlobal() const {
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return global;
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}
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void PageTableEntry::setGlobal(uint32_t global)
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{
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this->global = global;
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}
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uint32_t PageTableEntry::getPat() const {
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return pat;
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}
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void PageTableEntry::setPat(uint32_t pat)
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{
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this->pat = pat;
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}
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uint32_t PageTableEntry::getPhysicalAddress() const {
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uint32_t physicalAddress = this->physicalAddress;
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return physicalAddress << 12;
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}
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uint32_t PageTableEntry::setPhysicalAddress(uint32_t physicalAddress)
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{
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if(physicalAddress % 4096 == 0)
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{
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this->physicalAddress = physicalAddress >> 12;
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return this->physicalAddress;
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}
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else
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{
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this->physicalAddress = !physicalAddress;
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return this->physicalAddress;
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}
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}
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uint32_t PageTableEntry::getPresent() const {
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return present;
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}
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void PageTableEntry::setPresent(uint32_t present)
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{
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this->present = present;
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}
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uint32_t PageTableEntry::getRw() const {
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return rw;
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}
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void PageTableEntry::setRw(uint32_t rw)
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{
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this->rw = rw;
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}
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uint32_t PageTableEntry::getUsermode() const {
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return usermode;
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}
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void PageTableEntry::setUsermode(uint32_t usermode)
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{
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this->usermode = usermode;
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}
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uint32_t PageTableEntry::getWriteThrough() const {
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return writeThrough;
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}
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uint32_t PageTableEntry::getShared() const {
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return shared;
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}
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void PageTableEntry::setShared(uint32_t shared) {
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this->shared = shared;
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}
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void PageTableEntry::setWriteThrough(uint32_t writeThrough)
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{
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this->writeThrough = writeThrough;
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}
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} /* namespace qkernel */
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