39 lines
1.2 KiB
C++
39 lines
1.2 KiB
C++
/*
|
|
* Paging Permissions
|
|
*
|
|
* Copyright (C) 2019-2025 Udo Steinberg, BlueRock Security, Inc.
|
|
*
|
|
* This file is part of the NOVA microhypervisor.
|
|
*
|
|
* NOVA is free software: you can redistribute it and/or modify it
|
|
* under the terms of the GNU General Public License version 2 as
|
|
* published by the Free Software Foundation.
|
|
*
|
|
* NOVA is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License version 2 for more details.
|
|
*/
|
|
|
|
#pragma once
|
|
|
|
#include "macros.hpp"
|
|
|
|
class Paging final
|
|
{
|
|
public:
|
|
enum Permissions
|
|
{
|
|
NONE = 0, // No Permissions
|
|
R = BIT (0), // Read
|
|
W = BIT (1), // Write
|
|
XU = BIT (2), // Execute (User)
|
|
XS = BIT (3), // Execute (Supervisor)
|
|
API = XS | XU | W | R,
|
|
U = BIT (12), // User Accessible
|
|
K = BIT (13), // Kernel Memory
|
|
G = BIT (14), // Global
|
|
SS = BIT (15), // Shadow Stack
|
|
};
|
|
};
|