RVSCC/rtl/ControlUnit.sv
2023-01-29 01:55:22 -03:00

41 lines
942 B
Systemverilog

`timescale 1ns / 1ps
import rv32i_defs::*;
module ControlUnit (
input logic [6:0] opcode,
input logic [2:0] funct_3,
input logic [6:0] funct_7,
output logic [1:0] result_src,
output logic mem_write,
output logic [2:0] alu_ctrl,
output logic alu_src,
output logic [1:0] imm_src,
output logic reg_write,
output logic jump,
output logic branch,
branch_alu_neg
);
logic [1:0] alu_op;
MainDecoder main_decoder (
.opcode(opcode),
.branch(branch),
.jump(jump),
.result_src(result_src),
.mem_write(mem_write),
.alu_src(alu_src),
.imm_src(imm_src),
.reg_write(reg_write),
.alu_op(alu_op)
);
ALUDecoder alu_decoder (
.opcode_5(opcode[5]),
.funct_3(funct_3),
.funct_7_5(funct_7[5]),
.alu_op(alu_op),
.alu_ctrl(alu_ctrl),
.branch_neg(branch_alu_neg)
);
endmodule