xinyangli
2824efad33
NJU-ProjectN/nemu eb63cf3568dbf4e0c3c6ef462e6ec685550fabbc Merge pull request #76 from rijuyuezhu/master
58 lines
1.8 KiB
C
58 lines
1.8 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 __ISA_H__
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#define __ISA_H__
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// Located at src/isa/$(GUEST_ISA)/include/isa-def.h
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#include <isa-def.h>
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// The macro `__GUEST_ISA__` is defined in $(CFLAGS).
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// It will be expanded as "x86" or "mips32" ...
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typedef concat(__GUEST_ISA__, _CPU_state) CPU_state;
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typedef concat(__GUEST_ISA__, _ISADecodeInfo) ISADecodeInfo;
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// monitor
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extern unsigned char isa_logo[];
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void init_isa();
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// reg
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extern CPU_state cpu;
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void isa_reg_display();
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word_t isa_reg_str2val(const char *name, bool *success);
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// exec
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struct Decode;
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int isa_exec_once(struct Decode *s);
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// memory
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enum { MMU_DIRECT, MMU_TRANSLATE, MMU_FAIL };
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enum { MEM_TYPE_IFETCH, MEM_TYPE_READ, MEM_TYPE_WRITE };
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enum { MEM_RET_OK, MEM_RET_FAIL, MEM_RET_CROSS_PAGE };
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#ifndef isa_mmu_check
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int isa_mmu_check(vaddr_t vaddr, int len, int type);
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#endif
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paddr_t isa_mmu_translate(vaddr_t vaddr, int len, int type);
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// interrupt/exception
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vaddr_t isa_raise_intr(word_t NO, vaddr_t epc);
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#define INTR_EMPTY ((word_t)-1)
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word_t isa_query_intr();
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// difftest
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bool isa_difftest_checkregs(CPU_state *ref_r, vaddr_t pc);
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void isa_difftest_attach();
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#endif
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