merging changes from OPAE branch making this branch

old_rtl/interfaces/VX_csr_req_inter.v

@@ -0,0 +1,24 @@
+
+`include "../VX_define.v"
+
+`ifndef VX_CSR_REQ
+
+`define VX_CSR_REQ
+
+interface VX_csr_req_inter ();
+
+	wire[`NT_M1:0] valid;
+	wire[`NW_M1:0] warp_num;
+	wire[4:0]      rd;
+	wire[1:0]      wb;
+	wire[4:0]      alu_op;
+	wire           is_csr;
+	wire[11:0]     csr_address;
+	wire           csr_immed;
+	wire[31:0]     csr_mask;
+
+
+endinterface
+
+
+`endif