Merged i386 PTE class into mmap.cpp
This commit is contained in:
@@ -5,8 +5,7 @@ quark_kernel_CPPFLAGS = -ffreestanding -mgeneral-regs-only -O0 -Wall -fno-except
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quark_kernel_LDFLAGS = -nostdlib
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if x86
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quark_kernel_SOURCES += x86/pagetableentry.cpp \
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x86/mmap.cpp \
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quark_kernel_SOURCES += x86/mmap.cpp \
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x86/interrupts.cpp \
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x86/entry.S
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quark_kernel_LDFLAGS += -T x86/linker.ld
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150
src/x86/mmap.cpp
150
src/x86/mmap.cpp
@@ -1,5 +1,153 @@
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#include "../mmap.hpp"
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#include "pagetableentry.hpp"
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class PageTableEntry {
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public:
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PageTableEntry()
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{
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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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bool getAccessed() const
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{
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return accessed == 1;
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}
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bool getCacheDisable() const
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{
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return cacheDisable == 1;
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}
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void setCacheDisable(bool cacheDisable)
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{
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this->cacheDisable = cacheDisable ? 1 : 0;
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}
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bool getDirty() const
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{
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return dirty == 1;
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}
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bool getGlobal() const
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{
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return global == 1;
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}
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void setGlobal(bool global)
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{
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this->global = global ? 1 : 0;
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}
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bool getPat() const
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{
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return pat == 1;
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}
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void setPat(bool pat)
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{
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this->pat = pat ? 1 : 0;
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}
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physaddr_t getPhysicalAddress() const
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{
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physaddr_t physicalAddress = this->physicalAddress;
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return physicalAddress << 12;
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}
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physaddr_t setPhysicalAddress(physaddr_t physicalAddress)
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{
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this->physicalAddress = physicalAddress >> 12;
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return this->physicalAddress << 12;
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}
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bool getPresent() const
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{
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return present == 1;
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}
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void setPresent(bool present)
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{
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this->present = present ? 1 : 0;
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}
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bool getRw() const
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{
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return rw == 1;
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}
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void setRw(bool rw)
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{
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this->rw = rw ? 1 : 0;
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}
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bool getShared() const
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{
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return shared == 1;
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}
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void setShared(bool shared)
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{
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this->shared = shared ? 1 : 0;
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}
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bool getUsermode() const
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{
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return usermode == 1;
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}
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void setUsermode(bool usermode)
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{
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this->usermode = usermode ? 1 : 0;
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}
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bool getWriteThrough() const
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{
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return writeThrough == 1;
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}
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void setWriteThrough(bool writeThrough)
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{
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this->writeThrough = writeThrough ? 1 : 0;
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}
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physaddr_t operator=(physaddr_t rhs)
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{
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return setPhysicalAddress(rhs);
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}
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PageTableEntry operator=(PageTableEntry rhs)
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{
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uint32_t* iThis = (uint32_t*) this;
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uint32_t* iThat = (uint32_t*) &rhs;
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*iThis = *iThat;
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return rhs;
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}
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private:
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uint32_t present : 1;
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uint32_t rw : 1;
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uint32_t usermode : 1;
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uint32_t writeThrough : 1;
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uint32_t cacheDisable : 1;
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uint32_t accessed : 1;
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uint32_t dirty : 1;
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uint32_t pat : 1;
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uint32_t global : 1;
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uint32_t shared : 1;
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uint32_t ignored : 2;
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uint32_t physicalAddress : 20;
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};
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int kernel::mmap(PageAllocator& allocator, void* start, size_t length, int flags)
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{
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@@ -1,141 +0,0 @@
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/*
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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.hpp"
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namespace kernel {
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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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bool PageTableEntry::getAccessed() const {
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return accessed == 1;
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}
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bool PageTableEntry::getCacheDisable() const
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{
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return cacheDisable == 1;
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}
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void PageTableEntry::setCacheDisable(bool cacheDisable)
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{
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this->cacheDisable = cacheDisable ? 1 : 0;
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}
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bool PageTableEntry::getDirty() const
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{
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return dirty == 1;
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}
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bool PageTableEntry::getGlobal() const
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{
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return global == 1;
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}
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void PageTableEntry::setGlobal(bool global)
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{
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this->global = global ? 1 : 0;
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}
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bool PageTableEntry::getPat() const
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{
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return pat == 1;
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}
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void PageTableEntry::setPat(bool pat)
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{
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this->pat = pat ? 1 : 0;
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}
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physaddr_t PageTableEntry::getPhysicalAddress() const {
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physaddr_t physicalAddress = this->physicalAddress;
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return physicalAddress << 12;
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}
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physaddr_t PageTableEntry::setPhysicalAddress(physaddr_t physicalAddress)
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{
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this->physicalAddress = physicalAddress >> 12;
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return this->physicalAddress << 12;
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}
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bool PageTableEntry::getPresent() const
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{
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return present == 1;
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}
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void PageTableEntry::setPresent(bool present)
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{
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this->present = present ? 1 : 0;
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}
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bool PageTableEntry::getRw() const
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{
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return rw == 1;
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}
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void PageTableEntry::setRw(bool rw)
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{
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this->rw = rw ? 1 : 0;
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}
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bool PageTableEntry::getUsermode() const
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{
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return usermode == 1;
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}
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void PageTableEntry::setUsermode(bool usermode)
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{
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this->usermode = usermode ? 1 : 0;
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}
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bool PageTableEntry::getWriteThrough() const {
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return writeThrough == 1;
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}
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bool PageTableEntry::getShared() const
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{
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return shared == 1;
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}
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void PageTableEntry::setShared(bool shared)
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{
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this->shared = shared ? 1 : 0;
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}
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void PageTableEntry::setWriteThrough(bool writeThrough)
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{
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this->writeThrough = writeThrough ? 1 : 0;
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}
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physaddr_t PageTableEntry::operator=(physaddr_t rhs)
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{
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return setPhysicalAddress(rhs);
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}
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PageTableEntry PageTableEntry::operator=(PageTableEntry rhs)
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{
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uint32_t* iThis = (uint32_t*) this;
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uint32_t* iThat = (uint32_t*) &rhs;
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*iThis = *iThat;
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return rhs;
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}
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}
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@@ -1,52 +0,0 @@
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#ifndef SRC_PAGETABLEENTRY_H_
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#define SRC_PAGETABLEENTRY_H_
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#include <stdint.h>
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#include "../systypes.hpp"
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namespace kernel {
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class PageTableEntry {
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public:
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PageTableEntry();
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bool getAccessed() const;
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bool getCacheDisable() const;
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void setCacheDisable(bool cacheDisable);
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bool getDirty() const;
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bool getGlobal() const;
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void setGlobal(bool global);
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bool getPat() const;
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void setPat(bool pat);
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physaddr_t getPhysicalAddress() const;
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physaddr_t setPhysicalAddress(physaddr_t physicalAddress);
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bool getPresent() const;
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void setPresent(bool present);
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bool getRw() const;
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void setRw(bool rw);
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bool getShared() const;
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void setShared(bool shared);
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bool getUsermode() const;
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void setUsermode(bool usermode);
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bool getWriteThrough() const;
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void setWriteThrough(bool writeThrough);
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physaddr_t operator=(physaddr_t rhs);
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PageTableEntry operator=(PageTableEntry rhs);
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private:
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uint32_t present : 1;
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uint32_t rw : 1;
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uint32_t usermode : 1;
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uint32_t writeThrough : 1;
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uint32_t cacheDisable : 1;
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uint32_t accessed : 1;
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uint32_t dirty : 1;
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uint32_t pat : 1;
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uint32_t global : 1;
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uint32_t shared : 1;
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uint32_t ignored : 2;
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uint32_t physicalAddress : 20;
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};
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}
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#endif
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