sneha_driver

axi_drv.sv

@@ -0,0 +1,63 @@
+      class axi_drv extends uvm_driver#(seq_item);
+	`uvm_component_utils(axi_drv)
+	virtual intf vif;
+	seq_item txn;
+	bit[7:0] temp [][];
+	
+	function new(string name="axi_drv",uvm_component parent);
+	       super.new(name,parent);
+       endfunction
+
+       function void build_phase(uvm_phase phase);
+	 super.build_phase(phase);
+	 txn=seq_item::type_id::create("txn",this);
+       if(!uvm_config_db#(virtual intf)::get(this,"","vif",vif)
+	  `uvm_error("build_phase",$sformatf("failed to get confg_db"))
+      endfunction
+
+      task run_phase();
+      forever begin
+      seq_item_port.get(txn);
+      drive(txn);
+      seq_item_port.item_done();
+       end
+      endtask
+
+      task drive(seq_item txn);
+      @(posedge vif.clk)
+       vif.rst<=1;
+      repeat(2)@(posedge vif.clk)
+       vif.rst<=0;
+      @(posedge vif.clk)
+      if(txn.write)
+      begin
+	 vif.awddr<=txn.awaddr;
+	 vif.awlen <= txn.awlen;
+	 vif.awsize<=txn.awsize;
+	 vif.awburst<=txn.awburst;
+	 vif.awlock<=txn.awlock;
+	 vif.awid<=txn.awid;
+	 vif.awvalid<=1;
+	 wait(vif.awready)
+         @(posedge vif.clk)
+	 vif.awvalid<=0;
+        @(posedge vif.clk)
+         for(int i=0;i<trans.awlength+1;i++)
+	 begin
+         for(int j=0;j<2**trans.awsize;j++)
+	 begin
+         temp[i][j*8+:8]<= trans.wdata[i][j];
+	 if(i=trans.awlength-1)
+		 trans.wlast<=1;
+	 else
+		 trans.wlast<=0;
+         end 
+         end
+         vif.wdata<=temp;
+
+      endtask
+
+      endclass
+
+
+