diff options
Diffstat (limited to 'ext/systemc/src/sysc/kernel/sc_wait_cthread.cpp')
| -rw-r--r-- | ext/systemc/src/sysc/kernel/sc_wait_cthread.cpp | 169 |
1 files changed, 169 insertions, 0 deletions
diff --git a/ext/systemc/src/sysc/kernel/sc_wait_cthread.cpp b/ext/systemc/src/sysc/kernel/sc_wait_cthread.cpp new file mode 100644 index 000000000..4dee96ed7 --- /dev/null +++ b/ext/systemc/src/sysc/kernel/sc_wait_cthread.cpp @@ -0,0 +1,169 @@ +/***************************************************************************** + + 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_wait_cthread.cpp -- Wait() and related functions for SC_CTHREADs. + + Original Author: Stan Y. Liao, Synopsys, Inc. + Martin Janssen, Synopsys, Inc. + + CHANGE LOG AT THE END OF THE FILE + *****************************************************************************/ + + + +#include "sysc/kernel/sc_kernel_ids.h" +#include "sysc/kernel/sc_cthread_process.h" +#include "sysc/kernel/sc_simcontext_int.h" +#include "sysc/kernel/sc_wait_cthread.h" +#include "sysc/communication/sc_port.h" +#include "sysc/kernel/sc_wait.h" +namespace sc_core +{ + +// for SC_CTHREADs + +void +halt( sc_simcontext* simc ) +{ + sc_curr_proc_handle cpi = simc->get_curr_proc_info(); + switch( cpi->kind ) { + case SC_CTHREAD_PROC_: { + RCAST<sc_cthread_handle>( cpi->process_handle )->wait_halt(); + break; + } + default: + SC_REPORT_ERROR( SC_ID_HALT_NOT_ALLOWED_, 0 ); + break; + } +} + + +void +wait( int n, sc_simcontext* simc ) +{ + sc_curr_proc_handle cpi = simc->get_curr_proc_info(); + if( n <= 0 ) { + char msg[BUFSIZ]; + std::sprintf( msg, "n = %d", n ); + SC_REPORT_ERROR( SC_ID_WAIT_N_INVALID_, msg ); + } + switch( cpi->kind ) { + case SC_THREAD_PROC_: + case SC_CTHREAD_PROC_: + RCAST<sc_cthread_handle>( cpi->process_handle )->wait_cycles( n ); + break; + default: + SC_REPORT_ERROR( SC_ID_WAIT_NOT_ALLOWED_, "\n " + "in SC_METHODs use next_trigger() instead" ); + break; + } +} + + +void +at_posedge( const sc_signal_in_if<bool>& s, sc_simcontext* simc ) +{ + if( s.read() == true ) + do { wait(simc); } while ( s.read() == true ); + do { wait(simc); } while ( s.read() == false ); +} + +void +at_posedge( const sc_signal_in_if<sc_dt::sc_logic>& s, sc_simcontext* simc ) +{ + if( s.read() == '1' ) + do { wait(simc); } while ( s.read() == '1' ); + do { wait(simc); } while ( s.read() == '0' ); +} + +void +at_negedge( const sc_signal_in_if<bool>& s, sc_simcontext* simc ) +{ + if( s.read() == false ) + do { wait(simc); } while ( s.read() == false ); + do { wait(simc); } while ( s.read() == true ); +} + +void +at_negedge( const sc_signal_in_if<sc_dt::sc_logic>& s, sc_simcontext* simc ) +{ + if( s.read() == '0' ) + do { wait(simc); } while ( s.read() == '0' ); + do { wait(simc); } while ( s.read() == '1' ); +} + + +} // namespace sc_core + +/* +$Log: sc_wait_cthread.cpp,v $ +Revision 1.6 2011/08/26 20:46:11 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 1.5 2011/02/18 20:27:14 acg + Andy Goodrich: Updated Copyrights. + +Revision 1.4 2011/02/13 21:47:38 acg + Andy Goodrich: update copyright notice. + +Revision 1.3 2009/10/14 19:07:42 acg + Andy Goodrich: added an error message for wait(n) being called from an + SC_METHOD. + +Revision 1.2 2008/05/22 17:06:27 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 2006/03/13 20:26:51 acg + Andy Goodrich: Addition of forward class declarations, e.g., + sc_reset, to keep gcc 4.x happy. + +Revision 1.2 2006/01/03 23:18:45 acg +Changed copyright to include 2006. + +Revision 1.1.1.1 2005/12/19 23:16:44 acg +First check in of SystemC 2.1 into its own archive. + +Revision 1.10 2005/09/15 23:02:18 acg +Added std:: prefix to appropriate methods and types to get around +issues with the Edison Front End. + +Revision 1.9 2005/09/02 19:03:30 acg +Changes for dynamic processes. Removal of lambda support. + +Revision 1.8 2005/04/04 00:16:08 acg +Changes for directory name change to sys from systemc. +Changes for sc_string going to std::string. +Changes for sc_pvector going to std::vector. +Changes for reference pools for bit and part selections. +Changes for const sc_concatref support. + +Revision 1.5 2004/09/27 20:49:10 acg +Andy Goodrich, Forte Design Systems, Inc. + - Added a $Log comment so that CVS checkin comments appear in the + checkout source. + +*/ + +// Taf! |