Pmm.h

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/* ========================================
 
  Copyright (C) 2024-2025, Amlal El Mahrouss, licensed under the Apache 2.0 license.
 
======================================== */
 
#pragma once
 
#include <NeKit/Config.h>
#include <NeKit/PageMgr.h>
#include <NeKit/Ref.h>
 
namespace Kernel {
class Pmm;
class PTEWrapper;
 
class Pmm final {
 public:
  explicit Pmm();
  ~Pmm();
 
  Pmm& operator=(const Pmm&) = delete;
  Pmm(const Pmm&)            = default;
 
  Ref<PTEWrapper> RequestPage(Boolean user = false, Boolean readWrite = false);
  Boolean         FreePage(Ref<PTEWrapper> refPage);
 
  Boolean ToggleRw(Ref<PTEWrapper> refPage, Boolean enable = true);
  Boolean TogglePresent(Ref<PTEWrapper> refPage, Boolean enable = true);
  Boolean ToggleUser(Ref<PTEWrapper> refPage, Boolean enable = true);
  Boolean ToggleShare(Ref<PTEWrapper> refPage, Boolean enable = true);

  Ref<PageMgr>& Leak() { return fPageMgr; }
 
 private:
  Ref<PageMgr> fPageMgr;
};
}  // namespace Kernel