112855Sgabeblack@google.com/***************************************************************************** 212855Sgabeblack@google.com 312855Sgabeblack@google.com Licensed to Accellera Systems Initiative Inc. (Accellera) under one or 412855Sgabeblack@google.com more contributor license agreements. See the NOTICE file distributed 512855Sgabeblack@google.com with this work for additional information regarding copyright ownership. 612855Sgabeblack@google.com Accellera licenses this file to you under the Apache License, Version 2.0 712855Sgabeblack@google.com (the "License"); you may not use this file except in compliance with the 812855Sgabeblack@google.com License. You may obtain a copy of the License at 912855Sgabeblack@google.com 1012855Sgabeblack@google.com http://www.apache.org/licenses/LICENSE-2.0 1112855Sgabeblack@google.com 1212855Sgabeblack@google.com Unless required by applicable law or agreed to in writing, software 1312855Sgabeblack@google.com distributed under the License is distributed on an "AS IS" BASIS, 1412855Sgabeblack@google.com WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or 1512855Sgabeblack@google.com implied. See the License for the specific language governing 1612855Sgabeblack@google.com permissions and limitations under the License. 1712855Sgabeblack@google.com 1812855Sgabeblack@google.com *****************************************************************************/ 1912855Sgabeblack@google.com 2012855Sgabeblack@google.com/***************************************************************************** 2112855Sgabeblack@google.com 2212855Sgabeblack@google.com add_chain.cpp -- 2312855Sgabeblack@google.com 2412855Sgabeblack@google.com Original Author: Martin Janssen, Synopsys, Inc., 2002-02-15 2512855Sgabeblack@google.com 2612855Sgabeblack@google.com *****************************************************************************/ 2712855Sgabeblack@google.com 2812855Sgabeblack@google.com/***************************************************************************** 2912855Sgabeblack@google.com 3012855Sgabeblack@google.com MODIFICATION LOG - modifiers, enter your name, affiliation, date and 3112855Sgabeblack@google.com changes you are making here. 3212855Sgabeblack@google.com 3312855Sgabeblack@google.com Name, Affiliation, Date: 3412855Sgabeblack@google.com Description of Modification: 3512855Sgabeblack@google.com 3612855Sgabeblack@google.com *****************************************************************************/ 3712855Sgabeblack@google.com 3812855Sgabeblack@google.com#include "common.h" 3912855Sgabeblack@google.com 4012855Sgabeblack@google.com/******************************************************************************/ 4112855Sgabeblack@google.com/*************************** add_chain Class Definition ********************/ 4212855Sgabeblack@google.com/******************************************************************************/ 4312855Sgabeblack@google.com 4412855Sgabeblack@google.comSC_MODULE( add_chain ) 4512855Sgabeblack@google.com{ 4612855Sgabeblack@google.com SC_HAS_PROCESS( add_chain ); 4712855Sgabeblack@google.com 4812855Sgabeblack@google.com sc_in_clk clk; 4912855Sgabeblack@google.com 5012855Sgabeblack@google.com const sc_signal<bool>& rst; 5112855Sgabeblack@google.com const signal_bool_vector8& a_in; 5212855Sgabeblack@google.com signal_bool_vector4& sum_out; 5312855Sgabeblack@google.com sc_signal<bool>& ready; 5412855Sgabeblack@google.com 5512855Sgabeblack@google.com add_chain( sc_module_name NAME, 5612855Sgabeblack@google.com sc_clock& TICK_P, 5712855Sgabeblack@google.com 5812855Sgabeblack@google.com const sc_signal<bool>& RST, 5912855Sgabeblack@google.com const signal_bool_vector8& A_IN, 6012855Sgabeblack@google.com signal_bool_vector4& SUM_OUT, 6112855Sgabeblack@google.com sc_signal<bool>& READY 6212855Sgabeblack@google.com ) 6312855Sgabeblack@google.com : 6412855Sgabeblack@google.com rst (RST), 6512855Sgabeblack@google.com a_in (A_IN), 6612855Sgabeblack@google.com sum_out (SUM_OUT), 6712855Sgabeblack@google.com ready (READY) 6812855Sgabeblack@google.com { 6912855Sgabeblack@google.com clk(TICK_P); 7012855Sgabeblack@google.com SC_CTHREAD( entry, clk.pos() ); 7112855Sgabeblack@google.com reset_signal_is(rst,0); 7212855Sgabeblack@google.com } 7312855Sgabeblack@google.com void entry(); 7412855Sgabeblack@google.com}; 7512855Sgabeblack@google.com 7612855Sgabeblack@google.com/******************************************************************************/ 7712855Sgabeblack@google.com/*************************** add_chain Entry Function **********************/ 7812855Sgabeblack@google.com/******************************************************************************/ 7912855Sgabeblack@google.com/** **/ 8012855Sgabeblack@google.com/** This function sums the number of 1's contained in a 8-bit data stream **/ 8112855Sgabeblack@google.com/** **/ 8212855Sgabeblack@google.com/******************************************************************************/ 8312855Sgabeblack@google.comvoid 8412855Sgabeblack@google.comadd_chain::entry() 8512855Sgabeblack@google.com{ 8612855Sgabeblack@google.com bool_vector4 sum; 8712855Sgabeblack@google.com bool_vector8 a; 8812855Sgabeblack@google.com 8912855Sgabeblack@google.com /***** Reset Initialization *****/ 9012855Sgabeblack@google.com sum_out.write(0); 9112855Sgabeblack@google.com ready.write(1); 9212855Sgabeblack@google.com wait(); 9312855Sgabeblack@google.com 9412855Sgabeblack@google.com /***** MAIN LOOP *****/ 9512855Sgabeblack@google.com while(true) { 9612855Sgabeblack@google.com a = a_in; 9712855Sgabeblack@google.com 9812855Sgabeblack@google.com /***** Handshake *****/ 9912855Sgabeblack@google.com ready.write(0); 10012855Sgabeblack@google.com wait(); 10112855Sgabeblack@google.com 10212855Sgabeblack@google.com /***** Computation *****/ 10312855Sgabeblack@google.com sum = 0; 10412855Sgabeblack@google.com 10512855Sgabeblack@google.com for (int i=0; i<=7; i=i+1) { 10612855Sgabeblack@google.com sum = sum.to_uint() + a[i].to_bool(); 10712855Sgabeblack@google.com } 10812855Sgabeblack@google.com 10912855Sgabeblack@google.com sum_out.write(sum); 11012855Sgabeblack@google.com 11112855Sgabeblack@google.com /***** Handshake *****/ 11212855Sgabeblack@google.com ready.write(1); 11312855Sgabeblack@google.com wait(); 11412855Sgabeblack@google.com } 11512855Sgabeblack@google.com} 11612855Sgabeblack@google.com 11712855Sgabeblack@google.comvoid 11812855Sgabeblack@google.comf_add_chain( const char* NAME, 11912855Sgabeblack@google.com sc_clock& TICK, 12012855Sgabeblack@google.com const sc_signal<bool>& RST, 12112855Sgabeblack@google.com const signal_bool_vector8& A_IN, 12212855Sgabeblack@google.com signal_bool_vector4& SUM_OUT, 12312855Sgabeblack@google.com sc_signal<bool>& READY ) 12412855Sgabeblack@google.com 12512855Sgabeblack@google.com{ 12612855Sgabeblack@google.com new add_chain(NAME, TICK, RST, A_IN, SUM_OUT, READY); 12712855Sgabeblack@google.com} 12812855Sgabeblack@google.com 129