Initial commit of OpenSPARC T2 design and verification files.

[OpenSPARC-T2-DV] / verif / env / ilu_peu / vera / N2str / ilupeuPEUErrPEUStr.vr

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// 
// OpenSPARC T2 Processor File: ilupeuPEUErrPEUStr.vr
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class LpuErrPEUStr extends PEUStrBase 
  {
  integer f_errQueue;				// A mailbox for bad pkt headers
  PEC_ERRtype f_err;				// The LPU error of interest  
  bit f_errSpecified;				// Was an error specified?

  task new( PEUTestEnv a_env )
    {
    super.new( a_env );
    f_errQueue = 0;
    f_errSpecified = 0;
    }

  task SetErrQueue( integer a_queue )
    {
    f_errQueue = a_queue;
    } /* end SetErrQueue */

  function bit SetError( PEC_ERRtype a_error )
    {
    if ( PEC_ERR_isLPU(a_error) )
      {
      f_err = a_error;
      f_errSpecified = 1;
      SetError = 0;
      }
    else
      SetError = 1;
    } /* end SetError */

  task Execute()
    {
    PEC_ERRtype lpuErr;

					// Pick an error, if none was specified.
    if ( f_errSpecified )
      lpuErr = f_err;
    else
      {
      lpuErr = e_ERR_none;
      while( !PEC_ERR_isLPU(lpuErr) ) lpuErr += urandom()%10 + 1;
      }

					// Present the error to the TLU.
    f_env.setLPUerror( lpuErr );
    repeat(5) @(posedge CLOCK);

					// Tell the error-checker about this
					// bad-boy.
    if ( f_errQueue != 0 )
      {
      mailbox_put( f_errQueue, lpuErr );
      mailbox_put( f_errQueue, 128'bx );
      }

    } /* end Execute */
  } /* end LpuErrPEUStr */