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Kernel/aarch64: Set up pointer to kernel page directory

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The MemoryManager uses this pointer to adds its newly created page
tables to the kernel page directory.
This commit is contained in:
Timon Kruiper
2022-09-21 16:46:06 +02:00
committed by Andreas Kling
parent 96f73c9289
commit c2e410195a
Notes: sideshowbarker 2024-07-17 06:30:02 +09:00 
Author: https://github.com/FireFox317
Commit: https://github.com/SerenityOS/serenity/commit/c2e410195a
Pull-request: https://github.com/SerenityOS/serenity/pull/15309
Reviewed-by: https://github.com/bgianfo
Reviewed-by: https://github.com/bugreport0
Reviewed-by: https://github.com/nico ✅
2 changed files with 26 additions and 3 deletions
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4
Kernel/Memory/MemoryManager.cpp
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@@ -494,10 +494,8 @@ UNMAP_AFTER_INIT void MemoryManager::initialize_physical_pages()
auto* pd = reinterpret_cast<PageDirectoryEntry*>(quickmap_page(boot_pd_kernel));
PageDirectoryEntry& pde = pd[page_directory_index];
// FIXME: port quickmap_page to aarch64
#if !ARCH(AARCH64)
VERIFY(!pde.is_present()); // Nothing should be using this PD yet
#endif
// We can't use ensure_pte quite yet!
pde.set_page_table_base(pt_paddr.get());
pde.set_user_allowed(false);