icicle/rv32.sv
Graham Edgecombe 30b793cbaf Add ALU
2017-12-01 23:02:50 +00:00

73 lines
1.6 KiB
Systemverilog

`include "rv32_decode.sv"
`include "rv32_execute.sv"
`include "rv32_fetch.sv"
module rv32 (
input clk
);
rv32_fetch fetch (
.clk(clk),
/* data out */
.pc_out(fetch_pc),
.instr_out(fetch_instr)
);
/* fetch -> decode data */
logic [31:0] fetch_pc;
logic [31:0] fetch_instr;
rv32_decode decode (
.clk(clk),
/* data in */
.pc_in(fetch_pc),
.instr_in(fetch_instr),
/* control out */
.alu_op_out(decode_alu_op),
.alu_sub_sra_out(decode_alu_sub_sra),
.alu_src1_out(decode_alu_src1),
.alu_src2_out(decode_alu_src2),
/* data out */
.pc_out(decode_pc),
.rs1_value_out(decode_rs1_value),
.rs2_value_out(decode_rs2_value),
.imm_out(decode_imm)
);
/* decode -> execute control */
logic [3:0] decode_alu_op;
logic decode_alu_sub_sra;
logic decode_alu_src1;
logic decode_alu_src2;
/* decode -> execute data */
logic [31:0] decode_pc;
logic [31:0] decode_rs1_value;
logic [31:0] decode_rs2_value;
logic [31:0] decode_imm;
rv32_execute execute (
.clk(clk),
/* control in */
.alu_op_in(decode_alu_op),
.alu_sub_sra_in(decode_alu_sub_sra),
.alu_src1_in(decode_alu_src1),
.alu_src2_in(decode_alu_src2),
/* data in */
.pc_in(decode_pc),
.rs1_value_in(decode_rs1_value),
.rs2_value_in(decode_rs2_value),
.imm_in(decode_imm),
/* data out */
.result_out(execute_result)
);
/* execute -> mem data */
logic [31:0] execute_result;
endmodule