instruction_map.h

/**
 * University of Connecticut
 * CSE 4302 / ECE 5402: Computer Architecture
 * Fall 2023
 * 
 * Programming Assignment 1: Non-pipelined Simulator
 * 
 * riscy-uconn: instruction_map.h
 * 
 * DO NOT MODIFY THIS FILE
 * 
 */

#pragma once

/* Opcode Bits */
#define RTYPE        0x33
#define ITYPE_ARITH  0x13
#define ITYPE_LOAD   0x3
#define STYPE        0x23
#define BTYPE        0x63
#define LUI          0x37
#define JAL          0x6F
#define JALR         0x67

/* Funct3 Bits */
/* R and I-Type Arithmetic */
#define ADD_SUB      0b000
#define SUB          0b000
#define SLT          0b010
#define SLL          0b001
#define SRL          0b101
#define AND          0b111
#define OR           0b110
#define XOR          0b100
/* I-type JALR and Load, S-type, and B-type */
#define LW_SW        0b010
#define BEQ          0b000
#define BNE          0b001
#define BLT          0b100
#define BGE          0b101

/* R-type Funct7s */
#define ADD_F7       0x0
#define SUB_F7       0x20