Initial commit of OpenSPARC T2 design and verification files.

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

// ========== Copyright Header Begin ==========================================
// 
// OpenSPARC T2 Processor File: ilupeuIngressDmaWrStr.vr
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// ========== Copyright Header End ============================================
class DmaWrPEUStr extends PEUStrBase 
 {
 integer f_len;                                // The packet's payload length
 bit[3:0] f_firstDWBE;                         // It's "first DWBE" field
 bit[3:0] f_lastDWBE;                          // It's "last DWBE" field
 integer f_bndy;                               // The address' boundary
 bit f_lenSpecified;                           // Was a length specified?
 bit f_firstSpecified;                         // Was a "firstDWBE" specified?
 bit f_lastSpecified;                          // Was a "lastDWBE" specified?
 bit f_bndySpecified;                          // Was an addr bndy specified?

 task new( PEUTestEnv a_env )
   {
   super.new( a_env );
   f_lenSpecified = 0;
   f_firstSpecified = 0;
   f_lastSpecified = 0;
   f_bndySpecified = 0;
   }
 task SetLen( integer a_len )
   {
   f_len = a_len;
   f_lenSpecified = 1;
   }
 task SetFirstDWBE( bit[3:0] a_dwbe )
   {
   f_firstDWBE = a_dwbe;
   f_firstSpecified = 1;
   }
 task SetLastDWBE( bit[3:0] a_dwbe )
   {
   f_lastDWBE = a_dwbe;
   f_lastSpecified = 1;
   }
 task SetAddrBndy( integer a_bndy )
   {
   f_bndy = a_bndy;
   f_bndySpecified = 1;
   }
 task Execute()
   {
   bit[PEC_PCI__HDR] ingressHdr;               // The ingress TLP's header
   integer ingressData;                        // A payload descriptor
   bit[7:0] ingressTag;                        // The tag for the TLP

                                       // First, get in line for a DMA tag...
   f_env.allocDmaTag( ingressTag );

                                       // Then build a TLP
   if ( f_lenSpecified )
     f_env.genIngressWrReq( ingressTag, ingressHdr, ingressData, f_len );
   else
     f_env.genIngressWrReq( ingressTag, ingressHdr, ingressData );

                                       // ...and set fields as requested
                                       // by the caller.
   if ( f_firstSpecified )
     ingressHdr[PEC_PCI__FIRST_DWBE] = f_firstDWBE;
   if ( f_lastSpecified )
     ingressHdr[PEC_PCI__LAST_DWBE] = f_lastDWBE;
   if ( f_bndySpecified )
     f_env.setAddrBndy( ingressHdr, f_bndy, 64 );

   f_env.reserveIngressCredits( ingressHdr );
   f_env.drivePCIE( ingressHdr, ingressData );
   f_env.consumeIngressCredits( ingressHdr );
   f_env.expectILU( ingressHdr, ingressData );
   f_env.freeDmaTag( ingressTag );
   } /* end Execute */
 } /* end DmaWrPECStr */