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Diffstat (limited to 'ext/systemc/src/sysc/communication/sc_fifo_ifs.h')
| -rw-r--r-- | ext/systemc/src/sysc/communication/sc_fifo_ifs.h | 209 |
1 files changed, 209 insertions, 0 deletions
diff --git a/ext/systemc/src/sysc/communication/sc_fifo_ifs.h b/ext/systemc/src/sysc/communication/sc_fifo_ifs.h new file mode 100644 index 000000000..915fc9f0c --- /dev/null +++ b/ext/systemc/src/sysc/communication/sc_fifo_ifs.h @@ -0,0 +1,209 @@ +/***************************************************************************** + + Licensed to Accellera Systems Initiative Inc. (Accellera) under one or + more contributor license agreements. See the NOTICE file distributed + with this work for additional information regarding copyright ownership. + Accellera licenses this file to you under the Apache License, Version 2.0 + (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.apache.org/licenses/LICENSE-2.0 + + Unless required by applicable law or agreed to in writing, software + distributed under the License is distributed on an "AS IS" BASIS, + WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or + implied. See the License for the specific language governing + permissions and limitations under the License. + + *****************************************************************************/ + +/***************************************************************************** + + sc_fifo_ifs.h -- The sc_fifo<T> interface classes. + + Original Author: Martin Janssen, Synopsys, Inc., 2001-05-21 + + CHANGE LOG IS AT THE END OF THE FILE + *****************************************************************************/ + +#ifndef SC_FIFO_IFS_H +#define SC_FIFO_IFS_H + + +#include "sysc/communication/sc_interface.h" + +namespace sc_core { + +// ---------------------------------------------------------------------------- +// CLASS : sc_fifo_nonblocking_in_if<T> +// +// The sc_fifo<T> input nonblocking interface class. +// ---------------------------------------------------------------------------- + +template <class T> +class sc_fifo_nonblocking_in_if +: virtual public sc_interface +{ +public: + + // non-blocking read + virtual bool nb_read( T& ) = 0; + + // get the data written event + virtual const sc_event& data_written_event() const = 0; +}; + +// ---------------------------------------------------------------------------- +// CLASS : sc_fifo_blocking_in_if<T> +// +// The sc_fifo<T> input blocking interface class. +// ---------------------------------------------------------------------------- + +template <class T> +class sc_fifo_blocking_in_if +: virtual public sc_interface +{ +public: + + // blocking read + virtual void read( T& ) = 0; + virtual T read() = 0; +}; + +// ---------------------------------------------------------------------------- +// CLASS : sc_fifo_in_if<T> +// +// The sc_fifo<T> input interface class. +// ---------------------------------------------------------------------------- + +template <class T> +class sc_fifo_in_if +: public sc_fifo_nonblocking_in_if<T>, + public sc_fifo_blocking_in_if<T> +{ +public: + + // get the number of available samples + virtual int num_available() const = 0; + +protected: + + // constructor + + sc_fifo_in_if() + {} + +private: + + // disabled + sc_fifo_in_if( const sc_fifo_in_if<T>& ); + sc_fifo_in_if<T>& operator = ( const sc_fifo_in_if<T>& ); +}; + + +// ---------------------------------------------------------------------------- +// CLASS : sc_fifo_nonblocking_out_if<T> +// +// The sc_fifo<T> nonblocking output interface class. +// ---------------------------------------------------------------------------- + +template <class T> +class sc_fifo_nonblocking_out_if +: virtual public sc_interface +{ +public: + + // non-blocking write + virtual bool nb_write( const T& ) = 0; + + // get the data read event + virtual const sc_event& data_read_event() const = 0; +}; + +// ---------------------------------------------------------------------------- +// CLASS : sc_fifo_blocking_out_if<T> +// +// The sc_fifo<T> blocking output interface class. +// ---------------------------------------------------------------------------- + +template <class T> +class sc_fifo_blocking_out_if +: virtual public sc_interface +{ +public: + + // blocking write + virtual void write( const T& ) = 0; + +}; + +// ---------------------------------------------------------------------------- +// CLASS : sc_fifo_out_if<T> +// +// The sc_fifo<T> output interface class. +// ---------------------------------------------------------------------------- + +template <class T> +class sc_fifo_out_if +: public sc_fifo_nonblocking_out_if<T>, + public sc_fifo_blocking_out_if<T> +{ +public: + + // get the number of free spaces + virtual int num_free() const = 0; + +protected: + + // constructor + + sc_fifo_out_if() + {} + +private: + + // disabled + sc_fifo_out_if( const sc_fifo_out_if<T>& ); + sc_fifo_out_if<T>& operator = ( const sc_fifo_out_if<T>& ); +}; + +/***************************************************************************** + + MODIFICATION LOG - modifiers, enter your name, affiliation, date and + changes you are making here. + + Name, Affiliation, Date: Bishnupriya Bhattacharye, Cadence Design Systems, + 30 Jan, 2004 + Description of Modification: Split up the interfaces into blocking and + non blocking parts + + Name, Affiliation, Date: + Description of Modification: + + *****************************************************************************/ +//$Log: sc_fifo_ifs.h,v $ +//Revision 1.3 2011/08/26 20:45:40 acg +// Andy Goodrich: moved the modification log to the end of the file to +// eliminate source line number skew when check-ins are done. +// +//Revision 1.2 2011/02/18 20:23:45 acg +// Andy Goodrich: Copyright update. +// +//Revision 1.1.1.1 2006/12/15 20:20:04 acg +//SystemC 2.3 +// +//Revision 1.2 2006/01/03 23:18:26 acg +//Changed copyright to include 2006. +// +//Revision 1.1.1.1 2005/12/19 23:16:43 acg +//First check in of SystemC 2.1 into its own archive. +// +//Revision 1.10 2005/06/10 22:43:55 acg +//Added CVS change log annotation. +// + +} // namespace sc_core + +#endif + +// Taf! |