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Kernel: Implement ScopedAddressSpaceSwitcher using PageDirectory

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This makes the code architecture independent, and thus makes it work for
aarch64.
This commit is contained in:
Timon Kruiper 2023-04-01 02:53:20 +02:00 • committed by Idan Horowitz
parent 6a8581855d
commit 7440112cd9
2 changed files with 6 additions and 12 deletions
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4
Kernel/Memory/ScopedAddressSpaceSwitcher.h
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@ -1,5 +1,6 @@
/*
* Copyright (c) 2020-2021, Andreas Kling <kling@serenityos.org>
* Copyright (c) 2023, Timon Kruiper <timonkruiper@gmail.com>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
@ -7,6 +8,7 @@
#pragma once
#include <AK/Types.h>
#include <Kernel/Arch/PageDirectory.h>
#include <Kernel/Forward.h>
namespace Kernel {
@ -17,7 +19,7 @@ public:
~ScopedAddressSpaceSwitcher();
private:
u32 m_previous_cr3 { 0 };
LockRefPtr<Memory::PageDirectory> m_previous_page_directory;
};
}