Monitor

˜

axi_monitor.sv

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+//  Brief description: 
+//    This is the axi master monitor, where in the information from the
+//    virtual interface is caputured and translate into transaction level data  
+//
+//  Known exceptions to rules:
+//    
+//============================================================================
+//  Author        : Venkatesh
+//  Created on    : 30/05/2025
+//  File Id       : 
+//============================================================================
+ 
+`ifndef AXI_MASTER_MONITOR_SV
+`define AXI_MASTER_MONITOR_SV
+
+class axi_master_monitor#(parameter int DATA_WIDTH_MAS = 32,parameter int ADDR_WIDTH_MAS = 32) extends uvm_monitor;
+  `uvm_component_utils(axi_master_monitor)
+  uvm_analysis_port#(axi_tx) ap_sb;
+  uvm_analysis_port#(axi_tx) ap_fc;
+  //virtual axi_intf vif;
+  virtual axi_interface#(.DATA_WIDTH(DATA_WIDTH_MAS),.ADDR_WIDTH(ADDR_WIDTH_MAS)) vif;
+  
+  axi_m_agent_config m_cfg;
+ 
+  int addr [int];
+  int data[*];
+  int resp[int];
+  axi_tx w_tx,r_tx;
+  
+  extern function new(string name="",uvm_component parent=null);
+  extern function void build_phase(uvm_phase phase);
+  extern task run_phase(uvm_phase phase);
+endclass
+
+	//add a variable for configration of port
+function axi_master_monitor :: new(string name="",uvm_component parent=null);
+  super.new(name,parent);
+  //ap_port = new("ap_port",this);
+endfunction
+function axi_master_monitor :: void build_phase(uvm_phase phase);
+  super.build_phase(phase); 
+  if(!uvm_config_db#(virtual axi_interface)::get(this,"","vif",vif))begin
+  	`uvm_error("[MONITOR]","VIF NOT RECEIVED FROM TOP")
+  end
+  if(!uvm_config_db #(axi_m_agent_config)::get(this,"","axi_m_agent_config",m_cfg)) begin
+	`uvm_error("CONFIG","Getting failed in mst_monitor")
+  end
+  if(m_cfg.has_sb)
+	ap_sb = new("ap_sb",this);
+  if(m_cfg.has_fc)
+    ap_fc = new("ap_fc",this);
+endfunction
+task axi_master_monitor :: run_phase(uvm_phase phase);
+  forever begin
+  @(vif.mon_cb);
+    //write address channel
+    if(vif.mon_cb.awvalid==1 && vif.mon_cb.awready==1)
+    begin
+    	`uvm_info("[AWCHECK]",$psprintf("%t write addr %h",$time,vif.mon_cb.awaddr),UVM_LOW)
+    	w_tx             = axi_tx::type_id::create("w_tx");
+    	w_tx.wr_rd		 = WRITE;
+        w_tx.awid	     = vif.mon_cb.awid;       
+        w_tx.awaddr        = vif.mon_cb.awaddr;
+        w_tx.awlen         = vif.mon_cb.awlen;
+        w_tx.awsize        = vif.mon_cb.awsize; 
+        w_tx.awburst 	 = vif.mon_cb.awburst;
+        w_tx.awcache     = vif.mon_cb.awcache;
+        w_tx.awprot      = vif.mon_cb.awprot;
+        w_tx.awlock      = vif.mon_cb.awlock;
+        addr[vif.mon_cb.awid]=w_tx;
+    
+    end
+    // write data channel
+    if(vif.mon_cb.wvalid==1 && vif.mon_cb.wready==1)
+    begin
+    	`uvm_info("[WCHECK]",$psprintf("%t write data %h",$time,vif.mon_cb.wdata),UVM_LOW)
+    	w_tx.wdata.push_back(vif.mon_cb.wdata);
+    	w_tx.wstrb.push_back(vif.mon_cb.wstrb);
+    	w_tx.wlast=vif.mon_cb.wlast;
+    	data[]=w_tx;
+    end
+    //write response channel
+    if(vif.mon_cb.bvalid==1 && vif.mon_cb.bready==1)
+    begin
+    	w_tx.bid = vif.mon_cb.bid;
+    	`uvm_info("[BCHECK]",$psprintf("%t write RESP %h",$time,vif.mon_cb.bresp),UVM_LOW)
+    	w_tx.bresp = vif.mon_cb.bresp;
+    	resp[vif.mon_cb.bid]=w_tx;
+    	ap_port.write(w_tx);
+    end
+    //read address channel
+    if(vif.mon_cb.arvalid==1 && vif.mon_cb.arready==1)
+    begin
+    	`uvm_info("[ARCHECK]",$psprintf("%t read addr %h",$time,vif.mon_cb.araddr),UVM_LOW)
+    	r_tx             = axi_tx::type_id::create("r_tx");
+    	w_tx.wr_rd		 = READ;
+        r_tx.arid	         = vif.mon_cb.arid;      
+    	r_tx.araddr        = vif.mon_cb.araddr;
+        r_tx.arlen         = vif.mon_cb.arlen;
+        r_tx.arsize        = vif.mon_cb.arsize; 
+        r_tx.arburst  = vif.mon_cb.arburst;
+        r_tx.arcache       = vif.mon_cb.arcache;
+        r_tx.arprot        = vif.mon_cb.arprot;
+        r_tx.arlock        = vif.mon_cb.arlock;
+    end
+    //read data channel
+    if(vif.mon_cb.rvalid==1 && vif.mon_cb.rready==1)
+    begin
+    	`uvm_info("[RCHECK]",$psprintf("%t write data %h",$time,vif.mon_cb.rdata),UVM_LOW)
+    	r_tx.rid  = vif.mon_cb.rid;
+    	r_tx.rdata.push_back(vif.mon_cb.rdata);
+    	r_tx.rresp = vif.mon_cb.rresp;
+    	r_tx.rlast = vif.mon_cb.rlast;
+    	ap_port.write(r_tx);
+    end
+    end
+endtask
+`endif
+
+
+