fpu implementation (part1)

hw/rtl/interfaces/VX_fpu_to_csr_if.v

@@ -0,0 +1,23 @@
+`ifndef VX_FPU_TO_CSR_IF
+`define VX_FPU_TO_CSR_IF
+
+`include "VX_define.vh"
+
+interface VX_fpu_to_csr_if ();
+
+`IGNORE_WARNINGS_BEGIN
+	wire valid;
+
+	wire [`NW_BITS-1:0] warp_num;
+
+	wire fflags_NV;
+	wire fflags_DZ;
+	wire fflags_OF;
+	wire fflags_UF;
+	wire fflags_NX;
+
+`IGNORE_WARNINGS_END
+
+endinterface
+
+`endif