107 lines
2.5 KiB
Systemverilog
107 lines
2.5 KiB
Systemverilog
`ifndef RV32
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`define RV32
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`include "rv32_decode.sv"
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`include "rv32_execute.sv"
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`include "rv32_fetch.sv"
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`include "rv32_mem.sv"
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module rv32 (
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input clk
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);
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rv32_fetch fetch (
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.clk(clk),
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/* data out */
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.pc_out(fetch_pc),
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.instr_out(fetch_instr)
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);
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/* fetch -> decode data */
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logic [31:0] fetch_pc;
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logic [31:0] fetch_instr;
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rv32_decode decode (
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.clk(clk),
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/* data in */
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.pc_in(fetch_pc),
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.instr_in(fetch_instr),
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/* control out */
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.alu_op_out(decode_alu_op),
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.alu_sub_sra_out(decode_alu_sub_sra),
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.alu_src1_out(decode_alu_src1),
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.alu_src2_out(decode_alu_src2),
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.mem_read_en_out(decode_mem_read_en),
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.mem_write_en_out(decode_mem_write_en),
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/* data out */
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.pc_out(decode_pc),
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.rs1_value_out(decode_rs1_value),
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.rs2_value_out(decode_rs2_value),
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.imm_out(decode_imm)
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);
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/* decode -> execute control */
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logic [3:0] decode_alu_op;
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logic decode_alu_sub_sra;
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logic decode_alu_src1;
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logic decode_alu_src2;
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logic decode_mem_read_en;
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logic decode_mem_write_en;
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/* decode -> execute data */
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logic [31:0] decode_pc;
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logic [31:0] decode_rs1_value;
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logic [31:0] decode_rs2_value;
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logic [31:0] decode_imm;
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rv32_execute execute (
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.clk(clk),
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/* control in */
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.alu_op_in(decode_alu_op),
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.alu_sub_sra_in(decode_alu_sub_sra),
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.alu_src1_in(decode_alu_src1),
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.alu_src2_in(decode_alu_src2),
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.mem_read_en_in(decode_mem_read_en),
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.mem_write_en_in(decode_mem_write_en),
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/* data in */
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.pc_in(decode_pc),
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.rs1_value_in(decode_rs1_value),
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.rs2_value_in(decode_rs2_value),
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.imm_in(decode_imm),
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/* control out */
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.mem_read_en_out(execute_mem_read_en),
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.mem_write_en_out(execute_mem_write_en),
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/* data out */
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.result_out(execute_result),
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.rs2_value_out(execute_rs2_value)
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);
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/* execute -> mem control */
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logic execute_mem_read_en;
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logic execute_mem_write_en;
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/* execute -> mem data */
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logic [31:0] execute_result;
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logic [31:0] execute_rs2_value;
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rv32_mem mem (
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.clk(clk),
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/* control in */
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.read_en_in(execute_mem_read_en),
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.write_en_in(execute_mem_write_en),
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/* data in */
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.result_in(execute_result),
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.rs2_value_in(execute_rs2_value)
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);
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endmodule
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`endif
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