Mahesh Asolkar
800e9c4008
* Bare skeleton implementation of everything * Testbench builds with Verilator * Test runs
118 lines
4.0 KiB
Systemverilog
118 lines
4.0 KiB
Systemverilog
// ----------------------------------------------------------------------
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// Monitor for AXI transactions
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// ----------------------------------------------------------------------
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class axi_monitor extends uvm_monitor; // #(axi_transaction);
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virtual `AXI_INTF.MANAGER m_if;
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virtual `AXI_INTF.SUBORDINATE s_if;
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agent_type_t agent_type;
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// Declare the analysis export
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uvm_analysis_port ap;
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// Filehandle for transaction tracker file
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int trk_file;
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`uvm_component_utils(axi_monitor)
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// --------------------------------------------------
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// Constructor
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function new(string name = "axi_monitor", uvm_component parent = null);
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super.new(name, parent);
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ap = new("analysis_export", this);
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endfunction
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// --------------------------------------------------
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// Set agent type
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function void set_agent_type(agent_type_t atype);
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agent_type = atype;
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`uvm_info("set_agent_type", $sformatf("Agent type set to %s", agent_type.name()), UVM_LOW)
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endfunction
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// --------------------------------------------------
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// Set virtual interfaces
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function void set_virtual_intefaces(virtual `AXI_INTF.MANAGER m_if_p,
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virtual `AXI_INTF.SUBORDINATE s_if_p);
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`uvm_info("set_virtual_intefaces", $sformatf("Setting virtual interfaces"), UVM_LOW)
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m_if = m_if_p;
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s_if = s_if_p;
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endfunction
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// --------------------------------------------------
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// Run phase
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virtual function void run_phase(uvm_phase phase);
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// Open transaction log file
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trk_file = $fopen($sformatf("axi_transactions.%s.log", agent_type.name()), "w");
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if (trk_file == 0) begin
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`uvm_error("AXI_MONITOR", "Failed to open transaction log file")
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end else begin
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`uvm_info("AXI_MONITOR", "Transaction log file opened successfully", UVM_LOW)
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end
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// Start monitoring
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do_monitor();
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endfunction
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// --------------------------------------------------
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// Monitor logic to capture transactions
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virtual task do_monitor();
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if (agent_type == MANAGER) begin
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do_manager_monitor();
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end else if (agent_type == SUBORDINATE) begin
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do_subordinate_monitor();
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end else begin
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`uvm_fatal("AXI_MONITOR", "Unknown agent type")
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end
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endtask
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// --------------------------------------------------
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// Monitor logic for MANAGER agent
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virtual task do_manager_monitor();
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// Placeholder for actual monitoring logic
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// This would typically involve sampling signals and creating transactions
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forever begin
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axi_transaction txn;
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@(posedge m_if.ACLK);
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txn = axi_transaction::type_id::create("txn");
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// Capture transaction details here
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ap.write(txn);
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write_transaction_to_file(txn);
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end
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endtask
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// --------------------------------------------------
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// Monitor logic for SUBORDINATE agent
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virtual task do_subordinate_monitor();
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// Placeholder for actual monitoring logic
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// This would typically involve sampling signals and creating transactions
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forever begin
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axi_transaction txn;
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@(posedge s_if.ACLK);
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txn = axi_transaction::type_id::create("txn");
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// Capture transaction details here
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ap.write(txn);
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write_transaction_to_file(txn);
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end
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endtask
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// --------------------------------------------------
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// Report phase
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virtual function void report_phase(uvm_phase phase);
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// Report any captured transactions or statistics
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`uvm_info("axi_monitor", $sformatf("Reporting on %s",
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get_full_name()), UVM_LOW)
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endfunction
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// --------------------------------------------------
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// Function to write captured transaction into a file
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function void write_transaction_to_file(axi_transaction txn);
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$fwrite(trk_file, "%s\n", txn.sprint());
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endfunction
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endclass : axi_monitor
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