project directories reorganization

hw/rtl/VX_csr_wrapper.v

@@ -0,0 +1,39 @@
+
+`include "VX_define.v"
+
+module VX_csr_wrapper (
+	VX_csr_req_inter VX_csr_req,
+
+	VX_csr_wb_inter  VX_csr_wb
+);
+
+
+	wire[`NT_M1:0][31:0] thread_ids;
+	wire[`NT_M1:0][31:0] warp_ids;
+
+	genvar cur_t, cur_tw;
+	generate
+	for (cur_t = 0; cur_t < `NT; cur_t = cur_t + 1) begin : thread_ids_init
+		assign thread_ids[cur_t] = cur_t;
+	end
+
+	for (cur_tw = 0; cur_tw < `NT; cur_tw = cur_tw + 1) begin : warp_ids_init
+		assign warp_ids[cur_tw] = {{(31-`NW_M1){1'b0}}, VX_csr_req.warp_num};
+	end
+	endgenerate
+
+
+	assign VX_csr_wb.valid    = VX_csr_req.valid;
+	assign VX_csr_wb.warp_num = VX_csr_req.warp_num;
+	assign VX_csr_wb.rd       = VX_csr_req.rd;
+	assign VX_csr_wb.wb       = VX_csr_req.wb;
+
+
+	wire thread_select        = VX_csr_req.csr_address == 12'h20;
+	wire warp_select          = VX_csr_req.csr_address == 12'h21;
+
+	assign VX_csr_wb.csr_result = thread_select ? thread_ids :
+						          warp_select   ? warp_ids   :
+						          0;
+
+endmodule