banan-os/kernel/include/kernel/Memory/MMUScope.h

30 lines
382 B
C++

#pragma once
#include <kernel/CriticalScope.h>
#include <kernel/Memory/MMU.h>
namespace Kernel
{
class MMUScope
{
public:
MMUScope(MMU& mmu)
: m_old(MMU::current())
, m_temp(mmu)
{
if (&m_old != &m_temp)
m_temp.load();
}
~MMUScope()
{
if (&m_old != &m_temp)
m_old.load();
}
private:
CriticalScope m_scope;
MMU& m_old;
MMU& m_temp;
};
}