mirror of
https://github.com/Atmosphere-NX/Atmosphere.git
synced 2024-11-18 01:46:47 +00:00
43 lines
1.7 KiB
C++
43 lines
1.7 KiB
C++
/*
|
|
* Copyright (c) Atmosphère-NX
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify it
|
|
* under the terms and conditions of the GNU General Public License,
|
|
* version 2, as published by the Free Software Foundation.
|
|
*
|
|
* This program is distributed in the hope 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 for
|
|
* more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
#pragma once
|
|
#include <vapours.hpp>
|
|
|
|
namespace ams::mmu::arch::arm {
|
|
|
|
/* NOTE: mmu is not supported by libexosphere-on-arm. */
|
|
/* However, we want the memory layout to be parseable, so we will include some arm64 mmu definitions. */
|
|
constexpr inline u64 L1EntryShift = 30;
|
|
constexpr inline u64 L2EntryShift = 21;
|
|
constexpr inline u64 L3EntryShift = 12;
|
|
|
|
constexpr inline u64 L1EntrySize = 1_GB;
|
|
constexpr inline u64 L2EntrySize = 2_MB;
|
|
constexpr inline u64 L3EntrySize = 4_KB;
|
|
|
|
constexpr inline u64 PageSize = L3EntrySize;
|
|
|
|
constexpr inline u64 L1EntryMask = ((static_cast<u64>(1) << (48 - L1EntryShift)) - 1) << L1EntryShift;
|
|
constexpr inline u64 L2EntryMask = ((static_cast<u64>(1) << (48 - L2EntryShift)) - 1) << L2EntryShift;
|
|
constexpr inline u64 L3EntryMask = ((static_cast<u64>(1) << (48 - L3EntryShift)) - 1) << L3EntryShift;
|
|
|
|
constexpr inline u64 TableEntryMask = L3EntryMask;
|
|
|
|
static_assert(L1EntryMask == 0x0000FFFFC0000000ul);
|
|
static_assert(L2EntryMask == 0x0000FFFFFFE00000ul);
|
|
static_assert(L3EntryMask == 0x0000FFFFFFFFF000ul);
|
|
|
|
}
|