Initial commit of OpenSPARC T2 design and verification files.

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

// ========== Copyright Header Begin ==========================================
// 
// OpenSPARC T2 Processor File: ilupeuLinkErrPEUStr.vr
// Copyright (C) 1995-2007 Sun Microsystems, Inc. All Rights Reserved
// 4150 Network Circle, Santa Clara, California 95054, U.S.A.
//
// * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; version 2 of the License.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
// 
// For the avoidance of doubt, and except that if any non-GPL license 
// choice is available it will apply instead, Sun elects to use only 
// the General Public License version 2 (GPLv2) at this time for any 
// software where a choice of GPL license versions is made 
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// ========== Copyright Header End ============================================
class LinkErrPEUStr extends PEUStrBase 
  {
  integer  f_errQueue;				// A mailbox for bad pkt headers

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

  task SetErrQueue( integer errQueue )
    {
    f_errQueue = errQueue;
    }

  task Execute()
    {
    bit[4:0] ltssmState;
					// Pull down the link and wait for the
					// TLU to signal "drain state".
    f_env.linkDown();
    f_env.activityStalled += 1;		//Stall the hangDetect since LTSSM must 
					// timeout in recovery before going to 
					// detect

    //Make sure we go to Recovery.RcvrLock 
#ifdef N2_IOS
    f_env.toLtssmState( ILUPEU_LTSSM_RCVRY_RCVRLOCK,200, CSRT_OMNI);
#else
    f_env.toLtssmState( ILUPEU_LTSSM_RCVRY_RCVRLOCK,200 );
#endif

/*
    //Drain state is not entered until timing out in RCVRY_LOCK
    f_env.waitDrainState();

					// Tell the enivronment that we're
					// entering the drain state.  All
					// subsequent non-posted requests will
					// then expect an aborted completion
					// from the ILU.  All new "expectTLU"
					// requests will return when the ILU
					// returns an aborted completion, and
					// will result in an error if the 
					// request is forwarded by the TLU.
					// "enterDrainState" returns immediately
					// if our request was posted, or when
					// the completion is presented (for
					// non-posted requests).
    f_env.enterDrainState( 128'bx );

*/

					// Tell the error-checker about this
					// bad-boy.
    if ( f_errQueue != 0 )
      {
      mailbox_put( f_errQueue, e_ERR_none );
      mailbox_put( f_errQueue, 4 );
      mailbox_put( f_errQueue, e_ERR_oe_lin );
      mailbox_put( f_errQueue, 128'bx );
//Removed for 1.0 PRM
//      mailbox_put( f_errQueue, e_ERR_oe_lin );	//DLPL errors will always set Primary and Secondary
//      mailbox_put( f_errQueue, 128'bx );	// Link Interrupt bit
      mailbox_put( f_errQueue, e_ERR_dlpl_sds_los );	//Cleared 1st in ilupeuErrChkPEUStr
      mailbox_put( f_errQueue, 128'bx );
      //Optional Phy errors may occur since link is randomly shut down
      mailbox_put( f_errQueue, e_ERR_dlpl_stp_no_end_edb );
      mailbox_put( f_errQueue, 128'bx0 );
      mailbox_put( f_errQueue, e_ERR_dlpl_sdp_no_end );
      mailbox_put( f_errQueue, 128'bx0 );

      }
    } /* end Execute */
  } /* end LinkErrPEUStr */