/* * Copyright (c) 2006-2019, RT-Thread Development Team * * SPDX-License-Identifier: Apache-2.0 * * Change Logs: * Date Author Notes * 2020-02-20 bigmagic first version */ #ifndef __MMU_H__ #define __MMU_H__ #define MMU_LEVEL_MASK 0x1ffUL #define MMU_MAP_ERROR_VANOTALIGN -1 #define MMU_MAP_ERROR_PANOTALIGN -2 #define MMU_MAP_ERROR_NOPAGE -3 #define MMU_MAP_ERROR_CONFLICT -4 #define MEM_ATTR_MEMORY ((0x1UL << 10) | (0x2UL << 8) | (0x0UL << 6) | (0x1UL << 2)) #define MEM_ATTR_IO ((0x1UL << 10) | (0x2UL << 8) | (0x0UL << 6) | (0x2UL << 2)) void mmu_init(void); void mmu_enable(void); int armv8_map_2M(unsigned long va, unsigned long pa, int count, unsigned long attr); void armv8_map(unsigned long va, unsigned long pa, unsigned long size, unsigned long attr); #endif /*__MMU_H__*/