1
Fork 0
mirror of https://github.com/RGBCube/serenity synced 2025-05-24 14:55:07 +00:00
serenity/Kernel/Memory/ProcessPagingScope.cpp
Andreas Kling cd8d52e6ae Kernel: Improve API names for switching address spaces
- enter_space => enter_address_space
- enter_process_paging_scope => enter_process_address_space
2021-09-06 18:56:51 +02:00

27 lines
613 B
C++

/*
* Copyright (c) 2020, Andreas Kling <kling@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <Kernel/Arch/x86/InterruptDisabler.h>
#include <Kernel/Memory/MemoryManager.h>
#include <Kernel/Memory/ProcessPagingScope.h>
namespace Kernel {
ProcessPagingScope::ProcessPagingScope(Process& process)
{
VERIFY(Thread::current() != nullptr);
m_previous_cr3 = read_cr3();
MM.enter_process_address_space(process);
}
ProcessPagingScope::~ProcessPagingScope()
{
InterruptDisabler disabler;
Thread::current()->regs().cr3 = m_previous_cr3;
write_cr3(m_previous_cr3);
}
}