Subversion Repositories openrisc_2011-10-31

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// ----------------------------------------------------------------------------

// $Id$

// $Id$

#ifndef TAP_ACTION_DR_SCAN__H

#ifndef TAP_ACTION_DR_SCAN__H

#define TAP_ACTION_DR_SCAN__H

#define TAP_ACTION_DR_SCAN__H

#include <stdint.h>

#include <stdint.h>

#include "TapAction.h"

#include "TapAction.h"

#include "TapStateMachine.h"

#include "TapStateMachine.h"

//! Class to represent a TAP DR-Scan action.

//! Class to represent a TAP DR-Scan action.

//! JTAG data registers can be huge and are represented generically as arrays

//! JTAG data registers can be huge and are represented generically as arrays

//! of uint64_t. However for efficiency versions of methods are provided based

//! of uint64_t. However for efficiency versions of methods are provided based

//! on a single uint64_t.

//! on a single uint64_t.

//! The SystemC classes for large unsigned ints are fabulously inefficient in

//! The SystemC classes for large unsigned ints are fabulously inefficient in

//! the reference implementation, so are not used here.

//! the reference implementation, so are not used here.

public:

public:

  // Constructors and destructor

  // Constructors and destructor

  TapActionDRScan (sc_core::sc_event *_doneEvent,

  TapActionDRScan (sc_core::sc_event *_doneEvent,

  TapActionDRScan (sc_core::sc_event *_doneEvent,

  TapActionDRScan (sc_core::sc_event *_doneEvent,

  TapActionDRScan (sc_core::sc_event *_doneEvent,

  TapActionDRScan (sc_core::sc_event *_doneEvent,

                   uint64_t           _dRegInArray[],

                   uint64_t           _dRegInArray[],

                   int                _dRegSize,

                   int                _dRegSize,

  TapActionDRScan (sc_core::sc_event *_doneEvent,

  TapActionDRScan (sc_core::sc_event *_doneEvent,

                   uint64_t           _dRegIn,

                   uint64_t           _dRegIn,

                   int                _dRegSize,

                   int                _dRegSize,

  ~TapActionDRScan ();

  ~TapActionDRScan ();

  // Get the shifted out value

  // Get the shifted out value

  void      getDRegOut (uint64_t  dRegArray[]);

  void      getDRegOut (uint64_t  dRegArray[]);

  uint64_t  getDRegOut ();

  uint64_t  getDRegOut ();

protected:

protected:

  // Process the action for IR-Scan

  // Process the action for IR-Scan

  bool  process (TapStateMachine *tapStateMachine,

  bool  process (TapStateMachine *tapStateMachine,

private:

private:

  //! Number of bits in the data register

  //! Number of bits in the data register

  int  dRegBitSize;

  int  dRegBitSize;