| /***************************************************************************** |
| |
| 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_cor.h -- Coroutine abstract base classes. |
| |
| Original Author: Martin Janssen, Synopsys, Inc., 2001-12-18 |
| |
| CHANGE LOG AT THE END OF THE FILE |
| *****************************************************************************/ |
| |
| |
| #ifndef SC_COR_H |
| #define SC_COR_H |
| |
| |
| #include <cassert> |
| #include <cstdlib> |
| |
| namespace sc_core { |
| |
| class sc_simcontext; |
| |
| |
| // ---------------------------------------------------------------------------- |
| // TYPEDEF : sc_cor_fn |
| // |
| // Function type for creating coroutines. |
| // ---------------------------------------------------------------------------- |
| |
| typedef void (sc_cor_fn)( void* ); |
| |
| |
| // ---------------------------------------------------------------------------- |
| // CLASS : sc_cor |
| // |
| // Coroutine abstract base class. |
| // ---------------------------------------------------------------------------- |
| |
| class sc_cor |
| { |
| protected: |
| |
| // constructor |
| sc_cor() {} |
| |
| public: |
| |
| // destructor |
| virtual ~sc_cor() {} |
| |
| // switch stack protection on/off |
| virtual void stack_protect( bool /* enable */ ) {} |
| |
| private: |
| |
| // disabled |
| sc_cor( const sc_cor& ); |
| sc_cor& operator = ( const sc_cor& ); |
| }; |
| |
| |
| // ---------------------------------------------------------------------------- |
| // CLASS : sc_cor_pkg |
| // |
| // Coroutine package abstract base class. |
| // ---------------------------------------------------------------------------- |
| |
| class sc_cor_pkg |
| { |
| public: |
| |
| // constructor |
| sc_cor_pkg( sc_simcontext* simc ) |
| : m_simc( simc ) { assert( simc != 0 ); } |
| |
| // destructor |
| virtual ~sc_cor_pkg() {} |
| |
| // create a new coroutine |
| virtual sc_cor* create( |
| std::size_t stack_size, sc_cor_fn* fn, void* arg ) = 0; |
| |
| // yield to the next coroutine |
| virtual void yield( sc_cor* next_cor ) = 0; |
| |
| // abort the current coroutine (and resume the next coroutine) |
| virtual void abort( sc_cor* next_cor ) = 0; |
| |
| // get the main coroutine |
| virtual sc_cor* get_main() = 0; |
| |
| // get the simulation context |
| sc_simcontext* simcontext() |
| { return m_simc; } |
| |
| private: |
| |
| sc_simcontext* m_simc; |
| |
| private: |
| |
| // disabled |
| sc_cor_pkg(); |
| sc_cor_pkg( const sc_cor_pkg& ); |
| sc_cor_pkg& operator = ( const sc_cor_pkg& ); |
| }; |
| |
| } // namespace sc_core |
| |
| // $Log: sc_cor.h,v $ |
| // Revision 1.7 2011/08/26 20:46:09 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 1.6 2011/08/15 16:43:24 acg |
| // Torsten Maehne: changes to remove unused argument warnings. |
| // |
| // Revision 1.5 2011/02/18 20:27:14 acg |
| // Andy Goodrich: Updated Copyrights. |
| // |
| // Revision 1.4 2011/02/13 21:47:37 acg |
| // Andy Goodrich: update copyright notice. |
| // |
| // Revision 1.3 2011/01/19 23:21:49 acg |
| // Andy Goodrich: changes for IEEE 1666 2011 |
| // |
| // Revision 1.2 2008/05/22 17:06:24 acg |
| // Andy Goodrich: updated copyright notice to include 2008. |
| // |
| // Revision 1.1.1.1 2006/12/15 20:20:05 acg |
| // SystemC 2.3 |
| // |
| // Revision 1.3 2006/01/13 18:44:29 acg |
| // Added $Log to record CVS changes into the source. |
| // |
| |
| #endif |
| |
| // Taf! |