RTL code refactoring

hw/rtl/interfaces/VX_csr_wb_if.v

@@ -0,0 +1,17 @@
+`ifndef VX_CSR_WB_REQ
+`define VX_CSR_WB_REQ
+
+`include "../VX_define.vh"
+
+interface VX_csr_wb_if ();
+
+	wire [`NUM_THREADS-1:0]			valid;
+	wire [`NW_BITS-1:0]      		warp_num;
+	wire [4:0]             			rd;
+	wire [1:0]                		wb;
+	
+	wire [`NUM_THREADS-1:0][31:0]  	csr_result;
+
+endinterface
+
+`endif