feat(axi_ver): add tuser signal

Author: David Beneš

comp/ver/axi/axi_driver.sv

@@ -37,9 +37,10 @@ class Axi4SDriver #(DATA_WIDTH, USER_WIDTH, ITEM_WIDTH = 8) extends Driver;
 		this.vif = v;
 
 		this.vif.cb.TVALID	 <= 0;
+		this.vif.cb.TUSER    <= 0;
 	endfunction
 
-	task sendTransaction(AxiTransaction transaction);
+	task sendTransaction(AxiTransaction #(ITEM_WIDTH, USER_WIDTH) transaction);
 		Transaction tr;
 		$cast(tr, transaction);
 
@@ -57,7 +58,7 @@ class Axi4SDriver #(DATA_WIDTH, USER_WIDTH, ITEM_WIDTH = 8) extends Driver;
 	endtask
 
 	task run();
-		AxiTransaction transaction;
+		AxiTransaction #(ITEM_WIDTH, USER_WIDTH) transaction;
 		Transaction to;
 		time before_get;
 
@@ -113,13 +114,15 @@ class Axi4SDriver #(DATA_WIDTH, USER_WIDTH, ITEM_WIDTH = 8) extends Driver;
 
 	virtual task invalidateWordData();
 		logic[DATA_WIDTH-1:0] data = 'x;
-		logic[WORD_ITEMS-1:0] keep= 'x;
+		logic[USER_WIDTH-1:0] user = 'x;
+		logic[WORD_ITEMS-1:0] keep = 'x;
 
 		vif.cb.TDATA <= data;
+		vif.cb.TUSER <= user;
 		vif.cb.TKEEP <= keep;
 	endtask
 
-	virtual task exposeWordData(AxiTransaction tr, int cycle, inout finished);
+	virtual task exposeWordData(AxiTransaction #(ITEM_WIDTH, USER_WIDTH) tr, int cycle, inout finished);
 		logic[DATA_WIDTH-1:0] data = 'x;
 		logic[WORD_ITEMS-1:0] keep = '0;
 		int j;
@@ -133,10 +136,11 @@ class Axi4SDriver #(DATA_WIDTH, USER_WIDTH, ITEM_WIDTH = 8) extends Driver;
 			finished = 1;
 
 		vif.cb.TDATA <= data;
+		vif.cb.TUSER <= tr.user;
 		vif.cb.TKEEP <= keep;
 	endtask
 
-	virtual task sendWord(AxiTransaction tr, int cycle, inout finished);
+	virtual task sendWord(AxiTransaction #(ITEM_WIDTH, USER_WIDTH) tr, int cycle, inout finished);
 		wordRandomWait();
 		exposeWordData(tr, cycle, finished);
 		validateWord(finished);
@@ -146,7 +150,7 @@ class Axi4SDriver #(DATA_WIDTH, USER_WIDTH, ITEM_WIDTH = 8) extends Driver;
 		invalidateWordData();
 	endtask
 
-	virtual task sendFrame(AxiTransaction tr);
+	virtual task sendFrame(AxiTransaction #(ITEM_WIDTH, USER_WIDTH) tr);
 		int cycle = 0;
 		int finished = 0;
 
@@ -157,4 +161,3 @@ class Axi4SDriver #(DATA_WIDTH, USER_WIDTH, ITEM_WIDTH = 8) extends Driver;
 	endtask
 
 endclass
-

comp/ver/axi/axi_transaction.sv

@@ -14,12 +14,13 @@
  *
  */
 
-class AxiTransaction #(ITEM_WIDTH = 8) extends Transaction;
+class AxiTransaction #(ITEM_WIDTH = 8, USER_WIDTH = 1) extends Transaction;
 
     int frameSizeMin = 1;
     int frameSizeMax = 512;
 
     rand bit [ITEM_WIDTH-1 : 0] data[];
+    rand bit [USER_WIDTH-1 : 0] user;
     logic [3:0] fbe;
     logic [3:0] lbe;
 
@@ -41,10 +42,13 @@ class AxiTransaction #(ITEM_WIDTH = 8) extends Transaction;
             $write("%x ",data[j]);
         end
         $write("\n");
+        $write("Metadata value: %x \n",user);
+        $write("\n");
+
     endfunction
 
     virtual function Transaction copy(Transaction to = null);
-        AxiTransaction #(ITEM_WIDTH) tr;
+        AxiTransaction #(ITEM_WIDTH, USER_WIDTH) tr;
 
         if (to == null)
             tr = new();
@@ -54,13 +58,14 @@ class AxiTransaction #(ITEM_WIDTH = 8) extends Transaction;
         tr.fbe  = fbe;
         tr.lbe  = lbe;
         tr.data = data;
+        tr.user = user;
         tr.frameSizeMax = frameSizeMax;
         tr.frameSizeMin = frameSizeMin;
         return tr;
     endfunction
 
     virtual function bit compare(input Transaction to, output string diff, input int kind = -1);
-        AxiTransaction #(ITEM_WIDTH) tr;
+        AxiTransaction #(ITEM_WIDTH, USER_WIDTH) tr;
         $cast(tr, to);
         if (lbe != tr.lbe || fbe != tr.fbe) begin
             return 0;
@@ -76,9 +81,11 @@ class AxiTransaction #(ITEM_WIDTH = 8) extends Transaction;
                         break;
                     end
             return 0;
+        end else if (user != tr.user) begin
+            diff = $sformatf("User data does not match!");
+            return 0;
         end else
             return 1;
     endfunction
 
 endclass
-