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 data_gen.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#include "add_chain.h" 4012855Sgabeblack@google.com 4112855Sgabeblack@google.com/******************************************************************************/ 4212855Sgabeblack@google.com/*************************** data_gen Function **********************/ 4312855Sgabeblack@google.com/******************************************************************************/ 4412855Sgabeblack@google.com 4512855Sgabeblack@google.comSC_MODULE( DATA_GEN ) 4612855Sgabeblack@google.com{ 4712855Sgabeblack@google.com SC_HAS_PROCESS( DATA_GEN ); 4812855Sgabeblack@google.com 4912855Sgabeblack@google.com sc_in_clk clk; 5012855Sgabeblack@google.com 5112855Sgabeblack@google.com /*** Input and Output Ports ***/ 5212855Sgabeblack@google.com const sc_signal<bool>& ready; 5312855Sgabeblack@google.com signal_bool_vector8& data; 5412855Sgabeblack@google.com sc_signal<int>& addr; 5512855Sgabeblack@google.com 5612855Sgabeblack@google.com /*** Constructor ***/ 5712855Sgabeblack@google.com DATA_GEN ( sc_module_name NAME, 5812855Sgabeblack@google.com sc_clock& TICK_N, 5912855Sgabeblack@google.com const sc_signal<bool>& READY, 6012855Sgabeblack@google.com signal_bool_vector8& DATA, 6112855Sgabeblack@google.com sc_signal<int>& ADDR ) 6212855Sgabeblack@google.com 6312855Sgabeblack@google.com : 6412855Sgabeblack@google.com ready (READY), 6512855Sgabeblack@google.com data (DATA), // 8 bits 6612855Sgabeblack@google.com addr (ADDR) 6712855Sgabeblack@google.com 6812855Sgabeblack@google.com { 6912855Sgabeblack@google.com clk (TICK_N); 7012855Sgabeblack@google.com SC_CTHREAD( entry, clk.neg() ); 7112855Sgabeblack@google.com } 7212855Sgabeblack@google.com 7312855Sgabeblack@google.com /*** Call to Process Functionality ***/ 7412855Sgabeblack@google.com void entry(); 7512855Sgabeblack@google.com 7612855Sgabeblack@google.com}; 7712855Sgabeblack@google.com 7812855Sgabeblack@google.comvoid 7912855Sgabeblack@google.comDATA_GEN::entry() 8012855Sgabeblack@google.com{ 8112855Sgabeblack@google.com while(true) { 8212855Sgabeblack@google.com 8312855Sgabeblack@google.com/** WAIT FOR POSEDGE OF ready **/ 8412855Sgabeblack@google.com 8512855Sgabeblack@google.com do { wait(); } while (ready == 1); // Posedge ready 8612855Sgabeblack@google.com do { wait(); } while (ready == 0); 8712855Sgabeblack@google.com 8812855Sgabeblack@google.com/** CHECK TO SEE IF THE END OF MEMORY HAS BEEN REACHED **/ 8912855Sgabeblack@google.com 9012855Sgabeblack@google.com if(addr.read() > LIMIT) { // if(addr > LIMIT) 9112855Sgabeblack@google.com break; 9212855Sgabeblack@google.com } 9312855Sgabeblack@google.com 9412855Sgabeblack@google.com/** WRITE VALUE OF MEMORY AT CURRENT ADDRESS TO data **/ 9512855Sgabeblack@google.com 9612855Sgabeblack@google.com data.write(mem[addr.read()]); // data = mem[addr] 9712855Sgabeblack@google.com 9812855Sgabeblack@google.com/** INCREMENT addr BY 1 **/ 9912855Sgabeblack@google.com 10012855Sgabeblack@google.com addr.write(addr.read() + 1); // addr = addr + 1 10112855Sgabeblack@google.com } 10212855Sgabeblack@google.com 10312855Sgabeblack@google.com} 10412855Sgabeblack@google.com 10512855Sgabeblack@google.comvoid 10612855Sgabeblack@google.comf_DATA_GEN ( const char* NAME, 10712855Sgabeblack@google.com sc_clock& TICK, 10812855Sgabeblack@google.com const sc_signal<bool>& READY, 10912855Sgabeblack@google.com signal_bool_vector8& DATA, 11012855Sgabeblack@google.com sc_signal<int>& ADDR ) 11112855Sgabeblack@google.com 11212855Sgabeblack@google.com{ 11312855Sgabeblack@google.com new DATA_GEN(NAME, TICK, READY, DATA, ADDR); 11412855Sgabeblack@google.com} 11512855Sgabeblack@google.com 116