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