1
Fork 0
mirror of https://github.com/RGBCube/serenity synced 2025-05-31 13:48:12 +00:00
serenity/Kernel/Arch/x86/InterruptDisabler.h
Timon Kruiper ea9cf8b6ab Kernel: Separate NonMaskableInterruptDisabler into its own file
This is for the upcoming change to make InterruptDisabler class work for
the aarch64 build.
2022-06-02 13:14:12 +01:00

38 lines
535 B
C++

/*
* Copyright (c) 2018-2021, Andreas Kling <kling@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <AK/Types.h>
#include <Kernel/Arch/x86/IO.h>
#include <Kernel/Arch/x86/ASM_wrapper.h>
#include <AK/Platform.h>
VALIDATE_IS_X86()
namespace Kernel {
class InterruptDisabler {
public:
InterruptDisabler()
{
m_flags = cpu_flags();
cli();
}
~InterruptDisabler()
{
if ((m_flags & 0x200) != 0)
sti();
}
private:
u32 m_flags;
};
}