fixed simulation to prevent cases Overflow > TriggerPeriodicity

525e4dd7 · Jan Pospisil · 1f9e5784 · 525e4dd7
Commit 525e4dd7 authored Jul 25, 2016 by Jan Pospisil
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TestbenchPackage.sv hdl/ffpg/sim/testbench/TestbenchPackage.sv +6 -1

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--- a/hdl/ffpg/sim/testbench/TestbenchPackage.sv
+++ b/hdl/ffpg/sim/testbench/TestbenchPackage.sv
@@ -336,6 +336,7 @@ package TestbenchPackage;
        }
        
        constraint OverflowConstraint {
+            Overflow inside {[0:500]};
            Overflow inside {[0:`STREAM_SIZE-1]};
        }
        
@@ -442,6 +443,8 @@ package TestbenchPackage;
    class SeqGenerateBeamSignals extends ReportingSequence #(FfpgFmcDriverTransaction);
        `uvm_object_utils(SeqGenerateBeamSignals)
        
+        int Overflow;
+        
        function new (string name = "");
            super.new(name);
        endfunction
@@ -456,6 +459,8 @@ package TestbenchPackage;
            tx = FfpgFmcDriverTransaction::type_id::create("tx");
            start_item(tx);
            assert(tx.randomize());
+            if (tx.TriggerPeriodicity < this.Overflow)
+                tx.TriggerPeriodicity = this.Overflow;
            finish_item(tx);
        endtask

@@ -572,7 +577,7 @@ package TestbenchPackage;
            
            //#1000;
            SeqGenerate = SeqGenerateBeamSignals::type_id::create("SeqGenerate");
-            assert(SeqStart.randomize());
+            SeqGenerate.Overflow = SeqSet.Overflow;
            SeqGenerate.start(Env_h.FmcAgent.Sequencer_h);
            
            phase.drop_objection(this);