disable_enable.cpp revision 12855:588919e0e4aa
1/***************************************************************************** 2 3 Licensed to Accellera Systems Initiative Inc. (Accellera) under one or 4 more contributor license agreements. See the NOTICE file distributed 5 with this work for additional information regarding copyright ownership. 6 Accellera licenses this file to you under the Apache License, Version 2.0 7 (the "License"); you may not use this file except in compliance with the 8 License. You may obtain a copy of the License at 9 10 http://www.apache.org/licenses/LICENSE-2.0 11 12 Unless required by applicable law or agreed to in writing, software 13 distributed under the License is distributed on an "AS IS" BASIS, 14 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or 15 implied. See the License for the specific language governing 16 permissions and limitations under the License. 17 18 *****************************************************************************/ 19 20// disable_enable.cpp -- test for 21// 22// Original Author: John Aynsley, Doulos Inc. 23// 24// MODIFICATION LOG - modifiers, enter your name, affiliation, date and 25// 26// $Log: disable_enable.cpp,v $ 27// Revision 1.2 2011/05/08 19:18:46 acg 28// Andy Goodrich: remove extraneous + prefixes from git diff. 29// 30 31// disable() should take effect only the next evaluation phase 32 33#define SC_INCLUDE_DYNAMIC_PROCESSES 34 35#include <systemc> 36 37using namespace sc_core; 38using namespace std; 39 40struct Top: sc_module 41{ 42 Top(sc_module_name _name) 43 : count(0) 44 { 45 SC_THREAD(control); 46 SC_THREAD(target); 47 t = sc_get_current_process_handle(); 48 49 f0 = f1 = f2 = f3 = f4 = f5 = 0; 50 } 51 52 sc_process_handle t; 53 sc_event ev; 54 int count; 55 int f0, f1, f2, f3, f4, f5; 56 57 void control() 58 { 59 wait(SC_ZERO_TIME); 60 61 count = 1; 62 ev.notify(); 63 wait(10, SC_NS); 64 65 count = 2; 66 ev.notify(); 67 t.disable(); 68 wait(SC_ZERO_TIME); 69 70 count = 3; 71 ev.notify(); 72 wait(SC_ZERO_TIME); 73 74 count = 4; 75 t.enable(); 76 ev.notify(); 77 wait(10, SC_NS); 78 79 count = 5; 80 t.disable(); 81 t.reset(); 82 wait(10, SC_NS); 83 84 count = 6; 85 t.reset(); 86 wait(10, SC_NS); 87 88 sc_stop(); 89 } 90 91 void target() 92 { 93 //cout << "Target called at " << sc_time_stamp() << " with count = " << count << endl; 94 switch(count) 95 { 96 case 0: sc_assert(sc_time_stamp() == sc_time( 0, SC_NS)); f0 = 1; break; 97 case 5: sc_assert(sc_time_stamp() == sc_time(20, SC_NS)); f4 = 1; break; 98 case 6: sc_assert(sc_time_stamp() == sc_time(30, SC_NS)); f5 = 1; break; 99 default: sc_assert(false); 100 } 101 for (;;) 102 { 103 wait(ev); 104 //cout << "Target awoke at " << sc_time_stamp() << " with count = " << count << endl; 105 switch(count) 106 { 107 case 1: sc_assert(sc_time_stamp() == sc_time( 0, SC_NS)); f1 = 1; break; 108 case 2: sc_assert(sc_time_stamp() == sc_time(10, SC_NS)); f2 = 1; break; 109 case 4: sc_assert(sc_time_stamp() == sc_time(10, SC_NS)); f3 = 1; break; 110 default: sc_assert(false); 111 } 112 } 113 } 114 115 SC_HAS_PROCESS(Top); 116}; 117 118int sc_main(int argc, char* argv[]) 119{ 120 Top top("top"); 121 122 sc_start(); 123 124 sc_assert( top.f0 ); 125 sc_assert( top.f1 ); 126 sc_assert( top.f2 ); 127 sc_assert( top.f3 ); 128 sc_assert( top.f4 ); 129 sc_assert( top.f5 ); 130 /* 131 */ 132 cout << endl << "Success" << endl; 133 return 0; 134} 135 136