mirror of
https://github.com/RGBCube/serenity
synced 2025-10-31 22:02:44 +00:00
27 lines
776 B
C++
27 lines
776 B
C++
/*
|
|
* Copyright (c) 2020, Andreas Kling <kling@serenityos.org>
|
|
* Copyright (c) 2023, Timon Kruiper <timonkruiper@gmail.com>
|
|
*
|
|
* SPDX-License-Identifier: BSD-2-Clause
|
|
*/
|
|
|
|
#include <Kernel/Interrupts/InterruptDisabler.h>
|
|
#include <Kernel/Memory/MemoryManager.h>
|
|
#include <Kernel/Memory/ScopedAddressSpaceSwitcher.h>
|
|
|
|
namespace Kernel {
|
|
|
|
ScopedAddressSpaceSwitcher::ScopedAddressSpaceSwitcher(Process& process)
|
|
{
|
|
VERIFY(Thread::current() != nullptr);
|
|
m_previous_page_directory = Memory::PageDirectory::find_current();
|
|
Memory::MemoryManager::enter_process_address_space(process);
|
|
}
|
|
|
|
ScopedAddressSpaceSwitcher::~ScopedAddressSpaceSwitcher()
|
|
{
|
|
InterruptDisabler disabler;
|
|
Memory::activate_page_directory(*m_previous_page_directory, Thread::current());
|
|
}
|
|
|
|
}
|