Initial commit of OpenSPARC T2 design and verification files.

[OpenSPARC-T2-DV] / verif / env / ilu_peu / vera / context / ilupeuContextBase.vr

// ========== Copyright Header Begin ==========================================
// 
// OpenSPARC T2 Processor File: ilupeuContextBase.vr
// Copyright (C) 1995-2007 Sun Microsystems, Inc. All Rights Reserved
// 4150 Network Circle, Santa Clara, California 95054, U.S.A.
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//
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// it under the terms of the GNU General Public License as published by
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// GNU General Public License for more details.
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// ========== Copyright Header End ============================================
#include "CTContextBase.vrh"

virtual class ilupeuContextBase extends CTContextBase {

  // --------------------------------------------------------
  //  Public Parameters
  // --------------------------------------------------------
  //Number of strategies for each type
  integer tlpNumStrat, tlpStratDone, tlpStratNum;  
  integer dllpNumStrat, dllpStratDone, dllpStratNum;  
 
  //Min and ax issue delay values
  integer tlpMinDelay;
  integer tlpMaxDelay;
  integer dllpMinDelay;
  integer dllpMaxDelay;
 
  //Min and ax active strats values
  integer tlpMinActiveStrats;
  integer tlpMaxActiveStrats;
  integer dllpMinActiveStrats;
  integer dllpMaxActiveStrats;

  integer tlpHangDetect = 0;
  integer tlpWaitCount = 0;
  integer dllpHangDetect = 0;
  integer dllpWaitCount = 0;

  // --------------------------------------------------------
  // Protected Members
  // --------------------------------------------------------

  protected CSRCollection     CSR;
  protected ReportClass       Report;
  protected ilupeuPodClass     Pod;
  protected ilupeuScenario     Scenario;

  //Random Utilities
  FNXRandomUtil RandUtil;
 

  
  // --------------------------------------------------------
  // Local Members
  // --------------------------------------------------------


  // --------------------------------------------------------
  // Methods
  // -------------------------------------------------------- 

  // Constructor
  task new ( ReportClass      _Report,
             CSRCollection    _CSR,
             ilupeuPodClass   _Pod ,    //Xactors
             ilupeuScenario   _Scenario, //Test Parameters
             string           Name = "" );

  // Public Methods
  task ExecuteTlp();
  task ExecuteDllp();
  virtual function CTStrategyBase ProvideTlpStrategy();
  virtual function CTStrategyBase ProvideDllpStrategy();
  virtual function CTStrategyBase FinalizeTlpParms(CTStrategyBase FinalStrategy);
  virtual function CTStrategyBase FinalizeDllpParms(CTStrategyBase FinalStrategy);

  // Protected Methods
  protected task DelayIssueTlp();
  protected task DelayIssueDllp();
}

// Constructor
task ilupeuContextBase::new ( ReportClass      _Report,
	     		      CSRCollection    _CSR,
			      ilupeuPodClass   _Pod,
			      ilupeuScenario   _Scenario,
                              string           Name = "" )
{
  super.new( Name );
  Report = _Report;
  CSR = _CSR;
  Pod = _Pod;
  Scenario =  _Scenario;
  RandUtil = new( Report );

}

function CTStrategyBase ilupeuContextBase::ProvideTlpStrategy() {}
function CTStrategyBase ilupeuContextBase::ProvideDllpStrategy() {}
function CTStrategyBase ilupeuContextBase::FinalizeTlpParms(CTStrategyBase FinalStrategy) {}
function CTStrategyBase ilupeuContextBase::FinalizeDllpParms(CTStrategyBase FinalStrategy) {}


task ilupeuContextBase::ExecuteTlp() {

  CTStrategyBase FinalTlpStrategy;


  for (tlpStratDone = 0, tlpStratNum=1; tlpStratNum<=tlpNumStrat; ++tlpStratNum) {

     // There are five distinct steps in setting up and launching a strategy thread.

     //Wait for a user-defined synchronization event
     DelayIssueTlp();

     fork
      {  
          // Step 1:
          FinalTlpStrategy = ProvideTlpStrategy();

          // Step 2:
          FinalTlpStrategy = FinalizeTlpParms(FinalTlpStrategy);

          // Step 3: Not needed at this time
          //CheckParms(FinalTlpStrategy);

          // Step 4:
          // If it made it this far, give the strategy a unique identifier.
          FinalTlpStrategy.SetID({(ID.GetContextID()*10) + 0 }, tlpStratNum );

          // Step 5:
          // Kick it off.
          FinalTlpStrategy.RunThread();
          ++tlpStratDone;
          QuickReport( Report,
                       RTYP_INFO,
                       "%s ilupeuContextBase::ExecuteTlp() FinalTlpStrategy.RunThread() complete! tlpStratDone=%0d tlpNumStrat=%0d ",ID.GetString(),tlpStratDone,tlpNumStrat );

      }  
    join none
  }

  // This loop works like a breakable wait_child() and causes Execute
  // to block until all its strategies are complete.
  while ( tlpStratDone < tlpNumStrat ) {

    if (tlpHangDetect) {
      --tlpWaitCount;
      if (tlpWaitCount <= 0)
        error("Hang Detected In Context %s ExecuteTlp ID = %0d\n", Name, ID.GetContextID());
    }
 
    @(posedge CLOCK);
  }

  QuickReport( Report,RTYP_INFO, "Context %s ID = %0d ExecuteTlp() complete!",
                       Name, ID.GetContextID() );
}	//End ExecuteTlp

task ilupeuContextBase::DelayIssueTlp()
{
  repeat (RandUtil.Rand32(tlpMinDelay,tlpMaxDelay)) @(posedge CLOCK);
  
  // Wait For ILUPEU TLP Stratey Threads to Free Up
  if ( tlpNumStrat != 0 ) {
    if ( (tlpStratNum - tlpStratDone) >= tlpMaxActiveStrats ) {
      while ( (tlpStratNum - tlpStratDone) > tlpMinActiveStrats) {
	@(posedge CLOCK);
	QuickReport(Report, RTYP_DEBUG_3,
                      "%s: Context ID=%0d DelayIssueTlp()>WAITING tlpMinActiveStrats=%0d tlpMaxActiveStrats=%0d #TLP Strats Outstanding=%0d",
			 Name, ID.GetContextID(), tlpMinActiveStrats, tlpMaxActiveStrats,
                          (tlpStratNum - tlpStratDone) );
      }
    }
  }
}	//End DelayIssueTlp



task ilupeuContextBase::ExecuteDllp() {

  integer dllpStratDone, dllpStratNum;
  CTStrategyBase FinalDllpStrategy;


  for (dllpStratDone = 0, dllpStratNum=1; dllpStratNum<=dllpNumStrat; ++dllpStratNum) {

     // There are five distinct steps in setting up and launching a strategy thread.

     //Wait for a user-defined synchronization event
     DelayIssueDllp();

     fork
      {  
          // Step 1:
          FinalDllpStrategy = ProvideDllpStrategy();

          // Step 2:
          FinalDllpStrategy = FinalizeDllpParms(FinalDllpStrategy);

          // Step 3: Not needed at this time
          //CheckParms(FinalDllpStrategy);

          // Step 4:
          // If it made it this far, give the strategy a unique identifier.
          FinalDllpStrategy.SetID({(ID.GetContextID()*10) + 1 }, dllpStratNum );

          // Step 5:
          // Kick it off.
          FinalDllpStrategy.RunThread();
          ++dllpStratDone;
          QuickReport( Report,
                       RTYP_INFO,
                       "%s ilupeuContextBase::ExecuteDllp() FinalDllpStrategy.RunThread() complete! dllpStratDone=%0d dllpNumStrat=%0d ",ID.GetString(),dllpStratDone,dllpNumStrat );

      }  
    join none
  }

  // This loop works like a breakable wait_child() and causes Execute
  // to block until all its strategies are complete.
  while ( dllpStratDone < dllpNumStrat ) {

    if (dllpHangDetect) {
      --dllpWaitCount;
      if (dllpWaitCount <= 0)
        error("Hang Detected In Context %s ExecuteDllp ID = %0d\n", Name, ID.GetContextID());
    }
 
    @(posedge CLOCK);
  }

  QuickReport( Report,RTYP_INFO, "Context %s ID = %0d ExecuteDllp() complete!",
                       Name, ID.GetContextID() );
}	//End ExecuteDllp

task ilupeuContextBase::DelayIssueDllp()
{
  repeat (RandUtil.Rand32(dllpMinDelay,dllpMaxDelay)) @(posedge CLOCK);
  
  // Wait For ILUPEU DLLP Stratey Threads to Free Up
  if ( dllpNumStrat != 0 ) {
    if ( (dllpStratNum - dllpStratDone) >= dllpMaxActiveStrats ) {
      while ( (dllpStratNum - dllpStratDone) > dllpMinActiveStrats) {
	@(posedge CLOCK);
	QuickReport(Report, RTYP_DEBUG_3,
                      "%s: Context ID=%0d DelayIssueDllp()>WAITING dllpMinActiveStrats=%0d dllpMaxActiveStrats=%0d #DLLP Strats Outstanding=%0d",
			 Name, ID.GetContextID(), dllpMinActiveStrats, dllpMaxActiveStrats,
                          (dllpStratNum - dllpStratDone) );
      }
    }
  }
}	//End DelayIssueDllp