rtl/perf: add a flag for enabling or disabling the perf module

1 files changed, 65 insertions, 60 deletions

diff --git a/rtl/perf/perf_snoop.sv b/rtl/perf/perf_snoop.sv
index e98153e..2cc159d 100644
--- a/rtl/perf/perf_snoop.sv
+++ b/rtl/perf/perf_snoop.sv
@@ -1,4 +1,5 @@
 `include "cache/defs.sv"
+`include "config.sv"
 
 module perf_snoop
 (
@@ -64,66 +65,70 @@ module perf_snoop
 	assign local_readdata = mem_readdata;
 	assign local_waitrequest = mem_waitrequest;
 
-	always @(posedge clk or negedge rst_n)
-		if (!rst_n) begin
-			hold_read <= 0;
-			hold_write <= 0;
-			hold_waitrequest <= 0;
-
-			hold_left_ready <= 0;
-			hold_left_valid <= 0;
-			hold_right_ready <= 0;
-			hold_right_valid <= 0;
-
-			snoop_read <= 0;
-			snoop_write <= 0;
-			snoop_waitrequest <= 0;
-
-			snoop_left_ready <= 0;
-			snoop_left_valid <= 0;
-			snoop_right_ready <= 0;
-			snoop_right_valid <= 0;
-		end else begin
-			/* La idea aquí es aligerar el trabajo del fitter, ya que perf_monitor
-			 * muestrea el anillo completo, por lo que su span de área es
-			 * potencialmente grande.
-			 */
-
-			hold_read <= mem_read;
-			hold_write <= mem_write;
-			hold_waitrequest <= mem_waitrequest;
-
-			hold_left_ready <= in_left_ready;
-			hold_left_valid <= in_left_valid;
-			hold_right_ready <= in_right_ready;
-			hold_right_valid <= in_right_valid;
-
-			snoop_read <= hold_read;
-			snoop_write <= hold_write;
-			snoop_waitrequest <= hold_waitrequest;
-
-			snoop_left_ready <= hold_left_ready;
-			snoop_left_valid <= hold_left_valid;
-			snoop_right_ready <= hold_right_ready;
-			snoop_right_valid <= hold_right_valid;
+	generate
+		if (`CONFIG_PERF_MONITOR) begin: enable
+			always @(posedge clk or negedge rst_n)
+				if (!rst_n) begin
+					hold_read <= 0;
+					hold_write <= 0;
+					hold_waitrequest <= 0;
+
+					hold_left_ready <= 0;
+					hold_left_valid <= 0;
+					hold_right_ready <= 0;
+					hold_right_valid <= 0;
+
+					snoop_read <= 0;
+					snoop_write <= 0;
+					snoop_waitrequest <= 0;
+
+					snoop_left_ready <= 0;
+					snoop_left_valid <= 0;
+					snoop_right_ready <= 0;
+					snoop_right_valid <= 0;
+				end else begin
+					/* La idea aquí es aligerar el trabajo del fitter, ya que perf_monitor
+					 * muestrea el anillo completo, por lo que su span de área es
+					 * potencialmente grande.
+					 */
+
+					hold_read <= mem_read;
+					hold_write <= mem_write;
+					hold_waitrequest <= mem_waitrequest;
+
+					hold_left_ready <= in_left_ready;
+					hold_left_valid <= in_left_valid;
+					hold_right_ready <= in_right_ready;
+					hold_right_valid <= in_right_valid;
+
+					snoop_read <= hold_read;
+					snoop_write <= hold_write;
+					snoop_waitrequest <= hold_waitrequest;
+
+					snoop_left_ready <= hold_left_ready;
+					snoop_left_valid <= hold_left_valid;
+					snoop_right_ready <= hold_right_ready;
+					snoop_right_valid <= hold_right_valid;
+				end
+
+			always @(posedge clk) begin
+				hold_left.ttl <= in_left.ttl;
+				hold_left.read <= in_left.read;
+				hold_left.inval <= in_left.inval;
+				hold_left.reply <= in_left.reply;
+
+				hold_right.ttl <= in_right.ttl;
+				hold_right.read <= in_right.read;
+				hold_right.inval <= in_right.inval;
+				hold_right.reply <= in_right.reply;
+
+				snoop_left <= hold_left;
+				snoop_right <= hold_right;
+
+				hold_address <= mem_address;
+				snoop_address <= hold_address;
+			end
 		end
-
-	always @(posedge clk) begin
-		hold_left.ttl <= in_left.ttl;
-		hold_left.read <= in_left.read;
-		hold_left.inval <= in_left.inval;
-		hold_left.reply <= in_left.reply;
-
-		hold_right.ttl <= in_right.ttl;
-		hold_right.read <= in_right.read;
-		hold_right.inval <= in_right.inval;
-		hold_right.reply <= in_right.reply;
-
-		snoop_left <= hold_left;
-		snoop_right <= hold_right;
-
-		hold_address <= mem_address;
-		snoop_address <= hold_address;
-	end
+	endgenerate
 
 endmodule