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[/] [openrisc/] [trunk/] [orpsocv2/] [bench/] [sysc/] [include/] [TapAction.h] - Diff between revs 63 and 462

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Rev 63 Rev 462
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// ----------------------------------------------------------------------------
// ----------------------------------------------------------------------------
 
 
// $Id$
// $Id$
 
 
 
 
#ifndef TAP_ACTION__H
#ifndef TAP_ACTION__H
#define TAP_ACTION__H
#define TAP_ACTION__H
 
 
#include "TapStateMachine.h"
#include "TapStateMachine.h"
 
 
namespace sc_core
namespace sc_core {
{
 
class  sc_event;
class  sc_event;
}
}
 
 
 
 
//! Enumeration of all the TAP actions supported.
//! Enumeration of all the TAP actions supported.
 
 
enum TapActionType {
enum TapActionType {
  TAP_ACTION_RESET    = 0,
  TAP_ACTION_RESET    = 0,
  TAP_ACTION_SHIFT_DR = 1,
  TAP_ACTION_SHIFT_DR = 1,
  TAP_ACTION_SHIFT_IR = 2
  TAP_ACTION_SHIFT_IR = 2
};
};
 
 
 
 
//! Abstract class to represent a TAP action.
//! Abstract class to represent a TAP action.
 
 
//! Subclasses implement specific actions: Reset (TapActionReset::), DR-Scan
//! Subclasses implement specific actions: Reset (TapActionReset::), DR-Scan
//! (TapActionDRScan::) and IR-Scan (TapActionIRScan::).
//! (TapActionDRScan::) and IR-Scan (TapActionIRScan::).
 
 
//! We keep a SystemC event, which is used to notify the creator of
//! We keep a SystemC event, which is used to notify the creator of
//! completion. Since we are not a SystemC class, we don't do the notification
//! completion. Since we are not a SystemC class, we don't do the notification
//! ourselves.
//! ourselves.
 
 
class TapAction
class TapAction {
{
 
public:
public:
 
 
  friend class  JtagSC;
  friend class  JtagSC;
 
 
  // Constructor
  // Constructor
  TapAction (sc_core::sc_event *_doneEvent);
  TapAction (sc_core::sc_event *_doneEvent);
 
 
 
 
protected:
protected:
 
 
  // Accessor for the SystemC event to notify completion
  // Accessor for the SystemC event to notify completion
  sc_core::sc_event *getDoneEvent ();
  sc_core::sc_event *getDoneEvent ();
 
 
  // Process the action. Pure virtual, so must be implemented by subclasses.
  // Process the action. Pure virtual, so must be implemented by subclasses.
  virtual bool  process (TapStateMachine *tapStateMachine,
  virtual bool  process (TapStateMachine *tapStateMachine,
                         bool            &tdi,
                             bool & tdi, bool tdo, bool & tms) = 0;
                         bool             tdo,
 
                         bool            &tms) = 0;
 
 
 
  // Function to drive the TAP to a consistent state, optionally with a
  // Function to drive the TAP to a consistent state, optionally with a
  // warning.
  // warning.
  bool  checkResetDone (TapStateMachine *tapStateMachine,
  bool  checkResetDone (TapStateMachine *tapStateMachine,
                        bool            &tms,
                            bool & tms, bool warn = false);
                        bool             warn = false);
 
 
 
 
 
private:
private:
 
 
  //! The associated SystemC event to mark completion
  //! The associated SystemC event to mark completion
  sc_core::sc_event *doneEvent;
  sc_core::sc_event *doneEvent;

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