RTL code refactoring

hw/rtl/interfaces/VX_inst_meta_if.v

@@ -0,0 +1,15 @@
+`ifndef VX_F_D_INTER
+`define VX_F_D_INTER
+
+`include "../VX_define.vh"
+
+interface VX_inst_meta_if ();
+
+	wire [31:0]       		instruction;
+	wire [31:0]       		inst_pc;
+	wire [`NW_BITS-1:0]   	warp_num;
+	wire [`NUM_THREADS-1:0]	valid;
+
+endinterface
+
+`endif