seq

axi_seq.sv

@@ -0,0 +1,117 @@
+
+//write sequence
+class axi_wr_seq extends uvm_sequence #(axi_seq_item);
+    	`uvm_object_utils(axi_wr_seq)
+
+	seq_item txn;
+
+    function new(string name="axi_wr_seq");
+	    super.new(name);
+    endfunction
+
+    task body();
+       txn=seq_item::type_id::create(txn);
+       start_item(txn);
+       assert(txn.randomize() with {txn.write==1;txn.awaddr==0x04;txn.wdata==0x2b1a;});
+       finish_item(txn);
+    endtask
+
+endclass
+
+//read sequence
+class axi_rd_seq extends uvm_sequence #axi_(seq_item);
+    	`uvm_object_utils(axi_rd_seq)
+
+	seq_item txn;
+
+    function new(string name="axi_rd_seq");
+	    super.new(name);
+    endfunction
+
+    task body();
+       txn=seq_item::type_id::create(txn);
+       start_item(txn);
+       assert(txn.randomize() with {txn.write==0;txn.araddr==0x04;});
+       finish_item(txn);
+    endtask
+
+endclass
+
+//unaligned sequence
+class axi_rd_seq extends uvm_sequence #(axi_seq_item);
+    	`uvm_object_utils(axi_rd_seq)
+
+	seq_item txn;
+
+    function new(string name="axi_rd_seq");
+	    super.new(name);
+    endfunction
+
+    task body();
+       txn=seq_item::type_id::create(txn);
+      // if(txn.awaddr%2**awsize!=0)
+      // begin
+	       txn.aligned_addr.constraint_mode(0);
+     //  end
+       start_item(txn);
+       assert(txn.randomize() with {txn.write==1;txn.awaddr==0x07;txn.awsize==3;});
+       finish_item(txn);
+    endtask
+
+endclass
+
+
+//locked  access sequence
+class axi_locked_access_seq extends uvm_sequence #(axi_seq_item);
+    	`uvm_object_utils(axi_locked_acess_seq)
+
+	seq_item txn;
+
+    function new(string name="axi_locked_access_seq");
+	    super.new(name);
+    endfunction
+
+    task body();
+      begin
+       txn=seq_item::type_id::create(txn);
+       start_item(txn);
+       assert(txn.randomize() with {txn.write==1;txn.awaddr==0x04;txn.awlock==2'b10;txn.awid==01;});
+       finish_item(txn);
+      end
+
+      begin
+       txn=seq_item::type_id::create(txn);
+       start_item(txn);
+       assert(txn.randomize() with {txn.write==1;txn.awaddr==0x04;txn.awlock==2'b10;txn.awid==02;});
+       finish_item(txn);
+      end
+
+
+    endtask
+
+endclass
+
+
+
+//write read sequence
+class axi_rd_seq extends uvm_sequence #(axi_seq_item);
+    	`uvm_object_utils(axi_rd_seq)
+
+	seq_item txn;
+	axi_wr_seq wr_seq;
+        axi_rd_seq rd_seq;
+
+
+    function new(string name="axi_rd_seq");
+	    super.new(name);
+    endfunction
+
+    task body();
+     begin
+       txn=seq_item::type_id::create(txn);
+       `uvm_do(wr_seq);
+       `uvm_do(rd_seq);
+     end
+    endtask
+
+endclass