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Kernel: Pull apart CPU.h

This does not add any functional changes
This commit is contained in:
Hendiadyoin1 2021-06-21 17:34:09 +02:00 committed by Andreas Kling
parent 37253ebcae
commit 7ca3d413f7
86 changed files with 3866 additions and 3493 deletions

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/*
* Copyright (c) 2018-2021, Andreas Kling <kling@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <AK/Types.h>
#include <Kernel/IO.h>
#include <Kernel/Arch/x86/ASM_wrapper.h>
namespace Kernel {
class InterruptDisabler {
public:
InterruptDisabler()
{
m_flags = cpu_flags();
cli();
}
~InterruptDisabler()
{
if (m_flags & 0x200)
sti();
}
private:
u32 m_flags;
};
class NonMaskableInterruptDisabler {
public:
NonMaskableInterruptDisabler()
{
IO::out8(0x70, IO::in8(0x70) | 0x80);
}
~NonMaskableInterruptDisabler()
{
IO::out8(0x70, IO::in8(0x70) & 0x7F);
}
};
}