RISC-V 어셈블러 구현 코드인데 뭘 어떻게 해야할지 감이 안잡힙니다 ㅜㅜ

Question

#include #include #include #include #include /*Processor's clock cycle (global clock)*/unsigned long long cpu_cycles = 0;/*Processor's States: (1) Register (x32) (2) Program Counter (3) Data Memory (4) Instruction Memory*/#define REGS_SIZE 32#define IMEM_SIZE 32*1024 // 4 KiB of instruction memory (I$)#define DMEM_SIZE 32*1024 // 4 KiB of data memory (D$)long int reg[REGS_SIZE]; //(1) -> 32 (general-purpose) registersunsigned long PC = 0; //(2) -> Let's assume that program segment starts from 0x00000000unsigned long inst_mem[IMEM_SIZE];unsigned long data_mem[DMEM_SIZE];char DMEM_flag[DMEM_SIZE]; // a set of flags for checking the data memory is touched or not/* Tip: Data types (i) long = 4 bytes = 32 bits (ii) long long int = 8 bytes = 64 bits*//* Functions for modelling 5-stages with 1 control unit (1) IF: Fetching instructions from instruction memory (2) ID: Decoding instructions (also access registers) (3) EX: Executing (ALU) (4) MEM: Accessing to data memory (5) WB: Write-back (store result data to a target register) (6) Control Unit * return type of IF, ID, EX, MEM, WB, Control_Unit function should not be changed.*/unsigned long IF(unsigned long addr);unsigned long ID(unsigned addr_rs1, unsigned addr_rs2);unsigned long EX(unsigned long inputA, unsigned long inputB, int ALUSel);unsigned long MEM(unsigned long addr, unsigned long dataW, int MemRW);unsigned long WB(unsigned long dataD, unsigned addr_rd1, int RegWEn);unsigned long Control_Unit(unsigned long inst, int BrEq, int BrLT);void init_states(FILE* binaryexe);void print_statistics(); // print processor's clock cyclesvoid dump_registers(); // print all contents of registersvoid dump_memory(); // print all used data in (data) memoryint main(int argc, char** argv){ int halt = 0; FILE* _exe = fopen(argv[1], "r"); init_states(_exe); while (!halt) { //TODO: add or fix statements in this while loop //PC = PC + ??? IF(PC); ID(); EX(); MEM(); WB(); /* Exit condition: when the value of 31st register is 0xDEADBEEF, then stop the simulation. (End of the program) */ if (reg[31] == 0xDEADBEEF) halt = 1; cpu_cycles++; } print_statistics(); // print processor's clock cycles dump_registers(); // print all contents of registers dump_memory(); // print all used data in (data) memory return 0;}void init_states(FILE* binaryexe){ if binaryexe == NULL) { fprintf(stdout, "File path is missing... ") exit(-1); } /* Initializing instruction memory - Copying all instructions from a given binary executable file - One element in inst_mem[] contains one line of RV32I's instruction */ unsigned long *p_inst = inst_mem; while (!feofbinaryexe)) { fscanfbinaryexe, "%lx", &(p_inst++)); } /* Initializing register value as 0 */ memset(reg, 0, sizeof(long int) * REGS_SIZE); /* Initializing program counter (PC) */ PC = 0; // -> Let's assume that program segment starts from 0x00000000 /* Reset global clock cycles */ cpu_cycles = 0; memset(DMEM_flag, 0, sizeof(char) * DMEM_SIZE);}/* TODO: your work should be done with completing these five functions: */void IF(){}void ID(){}void EX(){}void MEM(){}void WB(){}void print_statistics(){ fprintf(stdout, "Processor's clock cycles: %lld ", cpu_cycles);}void dump_registers(){ fprintf(stdout, ">>>>>>>>[REGISTER DUMP]<<<<<<< "); fprintf(stdout, "PC: = %ld ", PC); for (int i=0; i>>>>>>>>>>>>>>>>>>>>>>>>>>>>> ");}void dump_memory(){ fprintf(stdout, ">>>>>>>>[MEMORY DUMP]<<<<<<<<< "); for (int i=0; i>>>>>>>>>>>>>>>>>>>>>>>>>>>>> ");}

나도이젠맥북오우너 · Answer

작성하신 질문글을 보고있는대 뭘 물어보고있는지 감이 안잡힙니다 ㅜㅜ

RISC-V 어셈블러 구현 코드인데 뭘 어떻게 해야할지 감이 안잡힙니다 ㅜㅜ

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