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Kernel: Add support for kernel addresses other than 3-4GB

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Gunnar Beutner 2021-07-17 02:42:59 +02:00 • committed by Andreas Kling
parent 6c6b778e2e
commit b708b23b13
5 changed files with 28 additions and 29 deletions
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4
Kernel/VM/PageDirectory.h
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@ -67,7 +67,11 @@ private:
RefPtr<PhysicalPage> m_pml4t;
#endif
RefPtr<PhysicalPage> m_directory_table;
#if ARCH(X86_64)
RefPtr<PhysicalPage> m_directory_pages[512];
#else
RefPtr<PhysicalPage> m_directory_pages[4];
#endif
HashMap<u32, RefPtr<PhysicalPage>> m_page_tables;
RecursiveSpinLock m_lock;
bool m_valid { false };