2019-06-03 02:27:43 +02:00

50 lines
1.3 KiB
C
Executable File

/*
* This file is part of GodMode9
* Copyright (C) 2018-2019 Wolfvak
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 2 of the License, or
* (at your option) any later version.
*
* This program 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 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 <types.h>
enum MMU_MemoryType {
STRONGLY_ORDERED = 0,
NON_CACHEABLE,
DEVICE_SHARED,
DEVICE_NONSHARED,
CACHED_WT,
CACHED_WB,
CACHED_WB_ALLOC,
MEMORY_TYPES,
};
enum MMU_MemoryAccess {
NO_ACCESS = 0,
READ_ONLY,
READ_WRITE,
};
#define MMU_FLAGS(t, ap, nx, s) ((s) << 25 | (nx) << 24 | (ap) << 8 | (t))
#define MMU_FLAGS_TYPE(f) ((f) & 0xFF)
#define MMU_FLAGS_ACCESS(f) (((f) >> 8) & 0xFF)
#define MMU_FLAGS_NOEXEC(f) ((f) & BIT(24))
#define MMU_FLAGS_SHARED(f) ((f) & BIT(25))
u32 MMU_Map(u32 va, u32 pa, u32 size, u32 flags);
void MMU_Init(void);