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// a way to create and find our pages.
// I'm thinking about a separate way of getting a paged area.
/* -------------------------------------------
Copyright (C) 2024-2025, Amlal El Mahrouss, licensed under the Apache 2.0 license.
------------------------------------------- */
#pragma once
#include <NeKit/Defines.h>
#include <NeKit/Ref.h>
namespace Kernel {
class PageMgr;
class PTEWrapper final {
public:
explicit PTEWrapper(Boolean Rw = false, Boolean User = false, Boolean ExecDisable = false,
UIntPtr Address = 0);
~PTEWrapper();
PTEWrapper& operator=(const PTEWrapper&) = default;
PTEWrapper(const PTEWrapper&) = default;
public:
UIntPtr VirtualAddress();
Void NoExecute(const bool enable = false);
Bool NoExecute();
operator bool() { return fVirtAddr; }
bool Reclaim();
bool Shareable();
bool Present();
bool Access();
private:
Boolean fRw;
Boolean fUser;
Boolean fExecDisable;
UIntPtr fVirtAddr;
Boolean fCache;
Boolean fShareable;
Boolean fWt;
Boolean fPresent;
Boolean fAccessed;
private:
friend class PageMgr;
friend class Pmm;
};
struct PageMgr final {
public:
PageMgr() = default;
~PageMgr() = default;
PageMgr& operator=(const PageMgr&) = default;
PageMgr(const PageMgr&) = default;
public:
PTEWrapper Request(Boolean Rw, Boolean User, Boolean ExecDisable, SizeT Sz, SizeT Pad);
bool Free(Ref<PTEWrapper>& wrapper);
private:
void FlushTLB();
private:
friend PTEWrapper;
friend class Pmm;
};
} // namespace Kernel
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