blob: 35357e60dc0360bb1bd86b76077df4736fa1959f (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
|
// Copyright 2024-2025, Amlal El Mahrouss (amlal@nekernel.org)
// Licensed under the Apache License, Version 2.0 (see LICENSE file)
// Official repository: https://github.com/nekernel-org/nekernel
#ifndef NEKIT_PMM_H
#define NEKIT_PMM_H
#include <NeKit/Config.h>
#include <NeKit/PageMgr.h>
#include <NeKit/Ref.h>
namespace Kernel {
class Pmm;
class PTEWrapper;
// TODO: A PMM stands for Page Memory Manager. Which guarantees page retrieval and free.
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);
/// @brief Get the page manager of this.
Ref<PageMgr>& Leak() { return fPageMgr; }
private:
Ref<PageMgr> fPageMgr;
};
} // namespace Kernel
#endif
|
