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code/Vezba 13 - prateci materijal/reset_agent/sv/sequences/reset_seq.sv

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+/****************************************************************************
+    +-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+ +-+-+-+-+-+-+-+-+
+    |F|u|n|c|t|i|o|n|a|l| |V|e|r|i|f|i|c|a|t|i|o|n| |o|f| |H|a|r|d|w|a|r|e|
+    +-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+ +-+-+-+-+-+-+-+-+
+
+    FILE            reset_seq.sv
+
+    DESCRIPTION     sequence for assertion reset
+
+ ****************************************************************************/
+
+`ifndef RESET_SEQ_SV
+`define RESET_SEQ_SV
+
+/**
+ * Class: reset_seq
+ */
+class reset_seq extends reset_base_seq;
+    
+    // delay before asserting reset (#clk cycles)
+    rand int unsigned transmit_del;
+    // duration of reset (#clk cycles)
+    rand int unsigned duration_time;    
+    
+    // UVM factory registration
+    `uvm_object_utils(reset_seq)
+    
+    // constraints
+    constraint c_transmit_delay { transmit_del <= 10; }
+    constraint c_duration_time { duration_time inside {[1:5]}; }
+
+    // new - constructor
+    function new(string name = "reset_seq");
+        super.new(name);
+    endfunction : new
+    
+    // sequence generation logic in body
+    virtual task body();
+        // send one transaction
+        `uvm_do_with(req, { req.duration == duration_time;
+                            req.transmit_delay == transmit_del; } )         
+    endtask : body
+    
+endclass : reset_seq
+
+`endif
+