checkpoint: Added icache struct

rtl/VX_f_d_reg.v

@@ -1,25 +1,42 @@
+`include "buses.vh"
 
 `include "VX_define.v"
 
 module VX_f_d_reg (
 	  input wire             clk,
 	  input wire             reset,
-	  input wire[31:0]       in_instruction,
 	  input wire             in_valid[`NT_M1:0],
-	  input wire[31:0]       in_curr_PC,
 	  input wire             in_fwd_stall,
 	  input wire             in_freeze,
 	  input wire             in_clone_stall,
-	  input wire[`NW_M1:0]   in_warp_num,
 
 	  output wire[31:0]      out_instruction,
 	  output wire[31:0]      out_curr_PC,
 	  output wire            out_valid[`NT_M1:0],
-	  output wire[`NW_M1:0]  out_warp_num
+	  output wire[`NW_M1:0]  out_warp_num,
+	  /* verilator lint_off UNUSED */
+	  input wire[31:0]       in_instruction,
+	  input wire[31:0]       in_curr_PC,
+	  input wire[`NW_M1:0]   in_warp_num,
+	  input fe_inst_meta_de_t fe_inst_meta_fd
+	  /* verilator lint_on UNUSED */
 );
 
+	// genvar index;
 	// always @(posedge clk) begin
-		// $display("Fetch Inst: %d\tDecode Inst: %d", in_instruction, out_instruction);
+	// 	// $display("in_instruction: %x\tfe_inst_meta_fd.instruction: %x",in_instruction, fe_inst_meta_fd.instruction);
+	// 	$error("finally");
+	// 	assert (in_instruction == fe_inst_meta_fd.instruction);
+	// 	assert (in_curr_PC     == fe_inst_meta_fd.inst_pc);
+	// 	assert (in_warp_num    == fe_inst_meta_fd.warp_num);
+	// 	for (index = 0; index <= `NT_M1; index = index + 1) assert (in_valid[index] == fe_inst_meta_fd.valid[index]);
+	// end
+
+	// var match;
+	// always @(*) begin
+	// 	match = ;
+	// 	if (!match)
+	// 		$display("in_instruction: %x, fe_inst_meta_fd.instruction: %x",in_instruction ,fe_inst_meta_fd.instruction);
 	// end
 
 	reg[31:0]      instruction;
@@ -29,9 +46,6 @@ module VX_f_d_reg (
 
 	integer reset_cur_thread = 0;
 
-	// always @(in_instruction) begin
-	// 	$display("in_instruction: %h",in_instruction);
-	// end
 
 	always @(posedge clk or posedge reset) begin
 		if(reset) begin
@@ -50,6 +64,11 @@ module VX_f_d_reg (
 			valid       <= in_valid;
 			curr_PC     <= in_curr_PC;
 			warp_num    <= in_warp_num;
+
+			// instruction <= fe_inst_meta_fd.instruction;
+			// valid       <= fe_inst_meta_fd.valid;
+			// curr_PC     <= fe_inst_meta_fd.inst_pc;
+			// warp_num    <= fe_inst_meta_fd.warp_num;
 		end
 	end