30 lines
1 KiB
C
30 lines
1 KiB
C
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/***************************************************************************************
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* Copyright (c) 2014-2022 Zihao Yu, Nanjing University
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*
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* NEMU is licensed under Mulan PSL v2.
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* You can use this software according to the terms and conditions of the Mulan PSL v2.
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* You may obtain a copy of Mulan PSL v2 at:
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* http://license.coscl.org.cn/MulanPSL2
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*
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* THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
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* EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
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* MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
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*
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* See the Mulan PSL v2 for more details.
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***************************************************************************************/
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#ifndef __MEMORY_VADDR_H__
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#define __MEMORY_VADDR_H__
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#include <common.h>
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word_t vaddr_ifetch(vaddr_t addr, int len);
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word_t vaddr_read(vaddr_t addr, int len);
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void vaddr_write(vaddr_t addr, int len, word_t data);
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#define PAGE_SHIFT 12
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#define PAGE_SIZE (1ul << PAGE_SHIFT)
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#define PAGE_MASK (PAGE_SIZE - 1)
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#endif
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