Subversion Repositories adv_debug_sys

////////////////////////////////////////////////////////////////

//

// targetDebugRegisterSet.java

//

// Copyright (C) 2010 Nathan Yawn 

//                    (nyawn@opencores.org)

//

// This class defines a transaction object which is passed

// to the RSP coder in order to determine whether the target

// CPU is running.

//

////////////////////////////////////////////////////////////////

//

// This source file may be used and distributed without

// restriction provided that this copyright statement is not

// removed from the file and that any derivative work contains

// the original copyright notice and the associated disclaimer.

// 

// This source file 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;

// either version 3.0 of the License, or (at your option) any

// later version.

//

// This source is distributed in the hope that it will be

// useful, but WITHOUT ANY WARRANTY; without even the implied 

// warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR

// PURPOSE.  See the GNU Lesser General Public License for more

// details.

// 

// You should have received a copy of the GNU General

// Public License along with this source; if not, download it 

// from http://www.gnu.org/licenses/gpl.html

//

////////////////////////////////////////////////////////////////

package advancedWatchpointControl;

public class TargetRunningTransaction implements TargetTransaction {

        private boolean isTargetRunning = false;

        public TargetRunningTransaction() {

        }

        @Override

        public String getDataToSend() {

                return new String("?");

        }

        @Override

        public boolean receivePacket(String pkt) {

                // 'S##' means it's stopped, 'R' means it's running,

                // anything else is an error.

                if(pkt.charAt(0) == 'R') {

                        // target is running, disallow accesses

                        isTargetRunning = true;

                }

                else if(pkt.charAt(0) == 'S') {

                        // We got a stop packet 

                        isTargetRunning = false;

                }

                else {

                        return false;

                }

                return true;

        }

        public boolean getIsTargetRunning() {

                return isTargetRunning;

        }

}