xinyangli
2824efad33
NJU-ProjectN/nemu eb63cf3568dbf4e0c3c6ef462e6ec685550fabbc Merge pull request #76 from rijuyuezhu/master
37 lines
1.4 KiB
C
37 lines
1.4 KiB
C
/***************************************************************************************
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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_PADDR_H__
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#define __MEMORY_PADDR_H__
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#include <common.h>
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#define PMEM_LEFT ((paddr_t)CONFIG_MBASE)
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#define PMEM_RIGHT ((paddr_t)CONFIG_MBASE + CONFIG_MSIZE - 1)
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#define RESET_VECTOR (PMEM_LEFT + CONFIG_PC_RESET_OFFSET)
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/* convert the guest physical address in the guest program to host virtual address in NEMU */
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uint8_t* guest_to_host(paddr_t paddr);
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/* convert the host virtual address in NEMU to guest physical address in the guest program */
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paddr_t host_to_guest(uint8_t *haddr);
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static inline bool in_pmem(paddr_t addr) {
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return addr - CONFIG_MBASE < CONFIG_MSIZE;
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}
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word_t paddr_read(paddr_t addr, int len);
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void paddr_write(paddr_t addr, int len, word_t data);
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#endif
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