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Diffstat (limited to 'ext/systemc/src/sysc/communication/sc_export.cpp')
| -rw-r--r-- | ext/systemc/src/sysc/communication/sc_export.cpp | 305 |
1 files changed, 305 insertions, 0 deletions
diff --git a/ext/systemc/src/sysc/communication/sc_export.cpp b/ext/systemc/src/sysc/communication/sc_export.cpp new file mode 100644 index 000000000..2da7a1533 --- /dev/null +++ b/ext/systemc/src/sysc/communication/sc_export.cpp @@ -0,0 +1,305 @@ +/***************************************************************************** + + 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_export.cpp -- + + Original Author: Bishnupriya Bhattachary, Cadence, Design Systems, + 25 August, 2003 + + CHANGE LOG IS AT THE END OF THE FILE + *****************************************************************************/ + +#include "sysc/communication/sc_export.h" +#include "sysc/kernel/sc_simcontext.h" +#include "sysc/kernel/sc_module.h" +#include "sysc/kernel/sc_object_int.h" + +namespace sc_core { + +// ---------------------------------------------------------------------------- +// CLASS : sc_export_base +// +// ---------------------------------------------------------------------------- + +sc_export_base::sc_export_base() : sc_object(sc_gen_unique_name("export")) +{ + simcontext()->get_export_registry()->insert(this); +} + +sc_export_base::sc_export_base(const char* name_) : sc_object(name_) +{ + simcontext()->get_export_registry()->insert(this); +} + +sc_export_base::~sc_export_base() +{ + simcontext()->get_export_registry()->remove(this); +} + +// called by construction_done() (does nothing by default) + +void +sc_export_base::before_end_of_elaboration() +{ +} + +// called when construction is done + +void +sc_export_base::construction_done() +{ + if ( get_interface() == 0 ) + { + report_error( SC_ID_SC_EXPORT_NOT_BOUND_AFTER_CONSTRUCTION_, 0); + } + + sc_module* parent = static_cast<sc_module*>( get_parent_object() ); + sc_object::hierarchy_scope scope( parent ); + before_end_of_elaboration(); +} + +// called by elaboration_done() (does nothing by default) + +void +sc_export_base::end_of_elaboration() +{} + +// called when elaboration is done + +void +sc_export_base::elaboration_done() +{ + sc_module* parent = static_cast<sc_module*>( get_parent_object() ); + sc_object::hierarchy_scope scope( parent ); + end_of_elaboration(); +} + +// called by start_simulation (does nothing) + +void +sc_export_base::start_of_simulation() +{} + +// called before simulation starts + +void +sc_export_base::start_simulation() +{ + sc_module* parent = static_cast<sc_module*>( get_parent_object() ); + sc_object::hierarchy_scope scope( parent ); + start_of_simulation(); +} + +// called by simulation_done (does nothing) + +void +sc_export_base::end_of_simulation() +{} + +// called after simulation ends + +void +sc_export_base::simulation_done() +{ + sc_module* parent = static_cast<sc_module*>( get_parent_object() ); + sc_object::hierarchy_scope scope( parent ); + end_of_simulation(); +} + +void +sc_export_base::report_error( const char* id, const char* add_msg ) const +{ + char msg[BUFSIZ]; + if( add_msg != 0 ) { + std::sprintf( msg, "%s: export '%s' (%s)", add_msg, name(), kind() ); + } else { + std::sprintf( msg, "export '%s' (%s)", name(), kind() ); + } + SC_REPORT_ERROR( id, msg ); +} + + +// ---------------------------------------------------------------------------- +// CLASS : sc_export_registry +// +// Registry for all exports. +// FOR INTERNAL USE ONLY! +// ---------------------------------------------------------------------------- + +void +sc_export_registry::insert( sc_export_base* export_ ) +{ + if( sc_is_running() ) { + export_->report_error(SC_ID_INSERT_EXPORT_, "simulation running"); + } + + if( m_simc->elaboration_done() ) { + export_->report_error(SC_ID_INSERT_EXPORT_, "elaboration done"); + } + + +#ifdef DEBUG_SYSTEMC + // check if port_ is already inserted + for( int i = size() - 1; i >= 0; -- i ) { + if( export_ == m_export_vec[i] ) { + export_->report_error( SC_ID_INSERT_EXPORT_, + "export already inserted "); + } + } +#endif + +/* + //TBD: maybe we want to do this stuf for later + + // append the port to the current module's vector of ports + sc_module* curr_module = m_simc->hierarchy_curr(); + if( curr_module == 0 ) { + port_->report_error( SC_ID_PORT_OUTSIDE_MODULE_ ); + } + curr_module->append_port( port_ ); +*/ + + // insert + m_export_vec.push_back( export_ ); +} + +void +sc_export_registry::remove( sc_export_base* export_ ) +{ + if (size()==0) return; + int i; + for( i = size() - 1; i >= 0; -- i ) { + if( export_ == m_export_vec[i] ) { + break; + } + } + if( i == -1 ) { + export_->report_error( SC_ID_SC_EXPORT_NOT_REGISTERED_ ); + } + + // remove + m_export_vec[i] = m_export_vec[size() - 1]; + m_export_vec.resize(size()-1); +} + +// constructor + +sc_export_registry::sc_export_registry( sc_simcontext& simc_ ) +: m_construction_done(0), + m_export_vec(), + m_simc( &simc_ ) +{ +} + + +// destructor + +sc_export_registry::~sc_export_registry() +{ +} + +// called when construction is done + +bool +sc_export_registry::construction_done() +{ + if( m_construction_done == size() ) + // nothing has been updated + return true; + + for( int i = size()-1; i >= m_construction_done; --i ) { + m_export_vec[i]->construction_done(); + } + + m_construction_done = size(); + return false; +} + +// called when elaboration is done + +void +sc_export_registry::elaboration_done() +{ + for( int i = size() - 1; i >= 0; -- i ) { + m_export_vec[i]->elaboration_done(); + } +} + +// called before simulation begins + +void +sc_export_registry::start_simulation() +{ + for( int i = size() - 1; i >= 0; -- i ) { + m_export_vec[i]->start_simulation(); + } +} + +void +sc_export_registry::simulation_done() +{ + for( int i = size() - 1; i >= 0; -- i ) { + m_export_vec[i]->simulation_done(); + } +} + +} // namespace sc_core + +// $Log: sc_export.cpp,v $ +// Revision 1.8 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 1.7 2011/08/24 22:05:36 acg +// Torsten Maehne: initialization changes to remove warnings. +// +// Revision 1.6 2011/05/09 04:07:37 acg +// Philipp A. Hartmann: +// (1) Restore hierarchy in all phase callbacks. +// (2) Ensure calls to before_end_of_elaboration. +// +// Revision 1.5 2011/02/18 20:31:05 acg +// Philipp A. Hartmann: added error messages for calls that cannot be done +// after elaboration. +// +// Revision 1.4 2011/02/18 20:23:45 acg +// Andy Goodrich: Copyright update. +// +// Revision 1.3 2011/02/18 20:07:04 acg +// Philipp A. Hartmann: Patch to revert to sprintf from snprintf to keep +// some versions of MSVC happy. +// +// Revision 1.2 2011/02/14 17:50:16 acg +// Andy Goodrich: testing for sc_port and sc_export instantiations during +// end of elaboration and issuing appropriate error messages. +// +// Revision 1.1.1.1 2006/12/15 20:20:04 acg +// SystemC 2.3 +// +// Revision 1.4 2006/01/26 21:00:50 acg +// Andy Goodrich: conversion to use sc_event::notify(SC_ZERO_TIME) instead of +// sc_event::notify_delayed() +// +// Revision 1.3 2006/01/13 18:47:42 acg +// Added $Log command so that CVS comments are reproduced in the source. +// + +// Taf! |