verif/env/fnx/vlib/XactorFmwork/src/XactorBasePacket.vr

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// OpenSPARC T2 Processor File: XactorBasePacket.vr
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#include <vera_defines.vrh>
#include "XactorDefines.vri"
#include "CTTransactionID.vrh"
#include "cReport.vrh"

virtual class XactorBasePacket {

  // CTTransactionID handle
  CTTransactionID XactionID;
  // Report handle
  ReportClass MyReport;
  // Drive event
  event DriveEvent;

  // The extended class declares all the fields that the packet
  // encapsulates and initializes them through the new task.

  task new() {}

  // Through this task a transactionID object is passed to the packet
  virtual task SetID(CTTransactionID XactionID);

  // Returns a CTTransactionID
  virtual function CTTransactionID GetID();

  // FieldType is a string that indicates which field to set. FieldValue is the actual
  // value that the packet field will be set to.
  virtual task Set(string FieldType,
                   bit [XACT_FIELD_WIDTH-1:0] FieldValue);

  // FieldType is a string that indicates which field to get. FieldValue is the returned
  // value of the field indicated by FieldType.
  virtual function bit [XACT_FIELD_WIDTH-1:0] Get(string FieldType);

  // This function will return a packet ready to be schedule for driving.
  virtual function XactorBasePacket FormDriven();

  // This task will display the contents of the packet. TypeRep is the report type used
  // when printing the Packet.
  virtual task PktDisplay(ReportType TypeRep,
                          string Message
                          );

  // This task will compare this packet with the packet (Pkt) passed as an argument.
  // The comparison operation is specified in the string Operation.
  virtual function bit PktCompare(string Operation,
                                  XactorBasePacket Pkt);

  // This function will return an index to a hash table of size HashSize. The value to be
  // hashed will be formed by the Packet itself.
  virtual function integer PktHash(integer HashSize);

  // This function will return 1 if the data of this packet that is expected has
  // X's or Z's values. And will return 0 otherwise.
  virtual function bit PktUndef();

  // This task will take Pkt as an argument and will copy every field of Pkt to itself.
  virtual task PktCopy(XactorBasePacket Pkt);

  // This task will return an object of its same type and with the same field values.
  virtual function XactorBasePacket PktClone();

  // This task will reset the fields of the packet.
  virtual task PktReset();

  // This task will sync on DriveEvent
  virtual task SyncOnDrive() {}

  // This task will trigger DriveEvent
  virtual task TriggerDrive() {}
}