// ========== Copyright Header Begin ==========================================
// OpenSPARC T2 Processor File: ilupeuEhbErrPEUStr.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.
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// GNU General Public License for more details.
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// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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// choice is available it will apply instead, Sun elects to use only
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// ========== Copyright Header End ============================================
class EhbErrPEUStr extends PEUStrBase
integer f_errQueue; // A mailbox for bad pkt headers
integer f_len; // The packet's payload length
bit f_lenSpecified; // Was a length specified?
bit[4:0] f_type; // The packet's type
bit f_typeSpecified; // Was a type specified?
bit[3:0] f_mask; // Which bits to flip?
task new( PEUTestEnv a_env )
task SetErrQueue( integer a_queue )
task SetLength( integer a_len )
task SetType( integer a_type )
task SetMask( bit[3:0] a_mask )
bit[PEC_PCI__HDR] egressHdr; // The egress TLP's header
integer egressData; // A payload descriptor
bit[7:0] tlpTag; // The tag for the TLP
bit[7:0] egressAddr; // The DOU starting address
bit[PEC_PCI__HDR] ingressHdr; // The ingress TLP's header
integer ingressData; // A payload descriptor
errMask = urandom()%15 + 1;
if ( f_lenSpecified && f_len == 0 )
else if ( f_lenSpecified )
// Build a TLP, using the specified
// type and length, if any.
4 : { f_type = PEC_PCI__TYPE_MEM; {if( hdrOnly ) f_len = urandom()%4 + 1;
else f_len = urandom()%2 + 1;} }
1 : { f_type = PEC_PCI__TYPE_CFG0; f_len = 1; }
1 : { f_type = PEC_PCI__TYPE_CFG1; f_len = 1; }
1 : { f_type = PEC_PCI__TYPE_IO; f_len = 1; }
1 : { f_type = PEC_PCI__TYPE_CPL; f_len = urandom()%32 + 1; }
else if ( !f_lenSpecified || f_len == 0 )
if ( f_type == PEC_PCI__TYPE_CPL )
f_len = urandom()%32 + 1;
else if ( (f_type == PEC_PCI__TYPE_MEM) && hdrOnly )
else if ( (f_type == PEC_PCI__TYPE_MEM) && !hdrOnly )
// If a completion (with data) was
// requested, then base it on a DMA
// read request (which we won't submit).
if ( f_type == PEC_PCI__TYPE_CPL )
f_env.allocDmaTag( tlpTag );
f_env.genIngressRdReq( tlpTag, ingressHdr, ingressData, f_len );
f_env.genEgressCpl( ingressHdr, egressHdr, egressData );
f_env.allocCplData( ingressHdr[PEC_PCI__LEN],
egressHdr[PEC_PCI__LOWADDR],
// If a PIO-write was requested,
// then get a tag and push a config
// write through, just to be sure that
// the tag isn't already in the pipe.
f_env.allocWrTag( tlpTag, egressAddr );
f_env.genEgressWrReq( tlpTag, egressHdr, egressData,
f_env.driveILU( egressHdr, egressAddr, egressData );
f_env.expectPCIE( egressHdr, egressData );
f_env.genIngressCpl( egressHdr, ingressHdr, ingressData );
f_env.drivePCIE( ingressHdr, ingressData );
f_env.expectILU( ingressHdr, ingressData );
f_env.genEgressWrReq( tlpTag, egressHdr, egressData, f_len, f_type );
f_env.allocRdTag( tlpTag );
f_env.genEgressRdReq( tlpTag, egressHdr, egressData, f_len, f_type );
// Present the TLP to the ILU, and
// specify that parity errors are to
// be injected into the EHB.
// We aren't going to release the tag
// so that only one error is injected.
f_env.injectEHBerror( tlpTag, errMask );
f_env.driveILU( egressHdr, egressAddr, egressData );
// We can't expect the TLP from the TLU
// since it is corrupted. But we do
// expect to enter the "drain state".
// f_env.expectPCIE( egressHdr, egressData );
// Tell the error-checker about this
mailbox_put( f_errQueue, e_ERR_oe_ehp );
mailbox_put( f_errQueue, 128'hx );