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NJU-ProjectN/nemu ics2023 initialized

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NJU-ProjectN/nemu eb63cf3568dbf4e0c3c6ef462e6ec685550fabbc Merge pull request #76 from rijuyuezhu/master
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xinyangli 2023-12-21 00:20:36 +08:00
parent 1efe03efb9
commit 2824efad33
141 changed files with 19573 additions and 0 deletions
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41
nemu/include/memory/host.h Normal file
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/***************************************************************************************
* 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_HOST_H__
#define __MEMORY_HOST_H__
#include <common.h>
static inline word_t host_read(void *addr, int len) {
switch (len) {
case 1: return *(uint8_t *)addr;
case 2: return *(uint16_t *)addr;
case 4: return *(uint32_t *)addr;
IFDEF(CONFIG_ISA64, case 8: return *(uint64_t *)addr);
default: MUXDEF(CONFIG_RT_CHECK, assert(0), return 0);
}
}
static inline void host_write(void *addr, int len, word_t data) {
switch (len) {
case 1: *(uint8_t *)addr = data; return;
case 2: *(uint16_t *)addr = data; return;
case 4: *(uint32_t *)addr = data; return;
IFDEF(CONFIG_ISA64, case 8: *(uint64_t *)addr = data; return);
IFDEF(CONFIG_RT_CHECK, default: assert(0));
}
}
#endif

37
nemu/include/memory/paddr.h Normal file
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/***************************************************************************************
* 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_PADDR_H__
#define __MEMORY_PADDR_H__
#include <common.h>
#define PMEM_LEFT ((paddr_t)CONFIG_MBASE)
#define PMEM_RIGHT ((paddr_t)CONFIG_MBASE + CONFIG_MSIZE - 1)
#define RESET_VECTOR (PMEM_LEFT + CONFIG_PC_RESET_OFFSET)
/* convert the guest physical address in the guest program to host virtual address in NEMU */
uint8_t* guest_to_host(paddr_t paddr);
/* convert the host virtual address in NEMU to guest physical address in the guest program */
paddr_t host_to_guest(uint8_t *haddr);
static inline bool in_pmem(paddr_t addr) {
return addr - CONFIG_MBASE < CONFIG_MSIZE;
}
word_t paddr_read(paddr_t addr, int len);
void paddr_write(paddr_t addr, int len, word_t data);
#endif

29
nemu/include/memory/vaddr.h Normal file
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/***************************************************************************************
* 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