restructured project

1 files changed, 0 insertions, 172 deletions

diff --git a/src/cpu.v b/src/cpu.v
deleted file mode 100644
index a3b94ff..0000000
--- a/src/cpu.v
+++ /dev/null
@@ -1,172 +0,0 @@
-module cpu (
-  input clk,
-  input rstn,
-  input [31:0] io_in,
-  output [31:0] io_out
-);
-
-
-wire [31:0] pc, pc_buf;
-wire pc_we;
-
-wire [31:0] mem_addr;
-wire mem_addr_src;
-wire [31:0] mem_rd;
-wire mem_we;
-
-wire instr_we;
-wire [31:0] instr;
-
-wire [31:0] imm;
-wire [2:0] imm_src;
-
-wire [31:0] data_buf;
-
-wire rf_we;
-wire [4:0] ra1, ra2, wa3;
-wire [31:0] rd1, rd2;
-wire [31:0] rd1_buf, rd2_buf;
-
-wire [31:0] alu_a, alu_b;
-wire [2:0] alu_a_src;
-wire [1:0] alu_b_src;
-wire [3:0] alu_op;
-wire [31:0] alu_result;
-wire alu_zero;
-wire [31:0] alu_result_buf;
-
-wire [1:0] result_src;
-wire [31:0] result;
-
-
-control_unit control_unit (
-  .clk(clk),
-  .rstn(rstn),
-  .instr(instr),
-  .imm_src(imm_src),
-  .alu_zero(alu_zero),
-  .pc_we(pc_we),
-  .mem_addr_src(mem_addr_src),
-  .mem_we(mem_we),
-  .instr_we(instr_we),
-  .result_src(result_src),
-  .alu_op(alu_op),
-  .alu_a_src(alu_a_src),
-  .alu_b_src(alu_b_src),
-  .rf_we(rf_we),
-  .ra1(ra1),
-  .ra2(ra2),
-  .wa3(wa3)
-);
-
-
-pc_reg pc_reg (
-  .clk(clk),
-  .rstn(rstn),
-  .we(pc_we),
-  .pc_in(result),
-  .pc(pc)
-);
-
-mem_addr_src_mux mem_addr_src_mux (
-  .src_pc(pc),
-  .src_result(result),
-  .mem_addr_src(mem_addr_src),
-  .mem_addr(mem_addr)
-);
-
-memory_interface memory_interface (
-  .clk(clk),
-  .rstn(rstn),
-  .we(mem_we),
-  .addr(mem_addr),
-  .rd(mem_rd),
-  .wd(rd2_buf),
-  .io_in(io_in),
-  .io_out(io_out)
-);
-
-instruction_reg instruction_reg (
-  .clk(clk),
-  .rstn(rstn),
-  .we(instr_we),
-  .pc_in(pc),
-  .instr_in(mem_rd),
-  .pc_buf(pc_buf),
-  .instr(instr)
-);
-
-data_reg data_reg (
-  .clk(clk),
-  .rstn(rstn),
-  .data_in(mem_rd),
-  .data_buf(data_buf)
-);
-
-immediate_extend immediate_extend (
-  .instr(instr),
-  .imm_src(imm_src),
-  .imm(imm)
-);
-
-register_file register_file (
-  .clk(clk),
-  .rstn(rstn),
-  .we(rf_we),
-  .ra1(ra1),
-  .ra2(ra2),
-  .wa3(wa3),
-  .rd1(rd1),
-  .rd2(rd2),
-  .wd3(result)
-);
-
-register_file_reg register_file_reg (
-  .clk(clk),
-  .rstn(rstn),
-  .rd1_in(rd1),
-  .rd2_in(rd2),
-  .rd1_buf(rd1_buf),
-  .rd2_buf(rd2_buf)
-);
-
-alu_a_src_mux alu_a_src_mux(
-  .src_pc(pc),
-  .src_pc_buf(pc_buf),
-  .src_rd1(rd1),
-  .src_rd1_buf(rd1_buf),
-  .alu_a_src(alu_a_src),
-  .alu_a(alu_a)
-);
-
-alu_b_src_mux alu_b_src_mux (
-  .src_rd2_buf(rd2_buf),
-  .src_imm(imm),
-  .alu_b_src(alu_b_src),
-  .alu_b(alu_b)
-);
-
-alu alu (
-  .a(alu_a),
-  .b(alu_b),
-  .op(alu_op),
-  .result(alu_result),
-  .zero(alu_zero)
-);
-
-alu_result_reg alu_result_reg (
-  .clk(clk),
-  .rstn(rstn),
-  .alu_result_in(alu_result),
-  .alu_result_buf(alu_result_buf)
-);
-
-result_mux result_mux (
-  .src_alu_result(alu_result),
-  .src_alu_result_buf(alu_result_buf),
-  .src_data_buf(data_buf),
-  .result_src(result_src),
-  .result(result)
-);
-
-endmodule