ysyx-workbench/nemu/include/memory/vaddr.h
xinyangli 2824efad33 NJU-ProjectN/nemu ics2023 initialized
NJU-ProjectN/nemu eb63cf3568dbf4e0c3c6ef462e6ec685550fabbc Merge pull request #76 from rijuyuezhu/master
2023-12-21 00:20:36 +08:00

29 lines
1 KiB
C

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