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// cd_cmdwdata_buffer_l3.h

/* ***** BEGIN LICENSE BLOCK *****

 * Version: MPL 1.1

 *

 * The contents of this file are subject to the Mozilla Public License Version

 * 1.1 (the "License"); you may not use this file except in compliance with

 * the License. You may obtain a copy of the License at

 * http://www.mozilla.org/MPL/

 *

 * Software distributed under the License is distributed on an "AS IS" basis,

 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License

 * for the specific language governing rights and limitations under the

 * License.

 *

 * The Original Code is HyperTransport Tunnel IP Core.

 *

 * The Initial Developer of the Original Code is

 * Ecole Polytechnique de Montreal.

 * Portions created by the Initial Developer are Copyright (C) 2005

 * the Initial Developer. All Rights Reserved.

 *

 * Contributor(s):

 *   Max-Elie Salomon

 *   Ami Castonguay <acastong@grm.polymtl.ca>

 *

 * Alternatively, the contents of this file may be used under the terms

 * of the Polytechnique HyperTransport Tunnel IP Core Source Code License

 * (the  "PHTICSCL License", see the file PHTICSCL.txt), in which case the

 * provisions of PHTICSCL License are applicable instead of those

 * above. If you wish to allow use of your version of this file only

 * under the terms of the PHTICSCL License and not to allow others to use

 * your version of this file under the MPL, indicate your decision by

 * deleting the provisions above and replace them with the notice and

 * other provisions required by the PHTICSCL License. If you do not delete

 * the provisions above, a recipient may use your version of this file

 * under either the MPL or the PHTICSCL License."

 *

 * ***** END LICENSE BLOCK ***** */

#ifndef CD_CMDWDATA_BUFFER_L3_H

#define CD_CMDWDATA_BUFFER_L3_H

#include "../core_synth/synth_datatypes.h"

#include "../core_synth/constants.h"

///Command register sub-module for the decoder module

/**

        @description A buffer (register) for control commands

        that do have data associated

        @author Max-Elie Salomon

                Ami Castonguay

*/

class cd_cmdwdata_buffer_l3 : public sc_module

{

public:

        //*******************************

        //      Inputs

        //*******************************

        ///Clock to synchronize module

        sc_in< bool >           clk;

        ///Input bit vector

        sc_in< sc_bv<32> >      dataDword;

        ///Address of data associated to the control command

        sc_in< sc_uint<BUFFERS_ADDRESS_WIDTH> > db_address_cd;

        ///Enables registering of the first doubleword of the packet

        sc_in< bool >           enCtl1;

        ///Enables registering of the second doubleword of the packet

        sc_in< bool >           enCtl2;

        ///Indication that the packet has an address error

        sc_in< bool >           error64BitsCtlwData;

        ///Clear the register

        sc_in< bool >           resetx;

        //*******************************

        //      Outputs

        //*******************************

        ///Output control packet

        sc_out< syn_ControlPacketComplete > packet;

        /**Where we are storing data.   This is used by the ro to know

        if we have finished receiving the data of a packet, so it can know if

        it can send it.*/

        sc_out< sc_uint<BUFFERS_ADDRESS_WIDTH> >        cd_data_pending_addr_ro;

        /**

                Process of updating the output of the register

                according to the inputs present on the rising edge

                of the clock

         */

        void bufferize();

        ///SystemC Macro

        SC_HAS_PROCESS(cd_cmdwdata_buffer_l3);

        ///SystemC Macro - Module constructor

        cd_cmdwdata_buffer_l3(sc_module_name name);

};

#endif