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// kill_reset.cpp -- test for 2112855Sgabeblack@google.com// 2212855Sgabeblack@google.com// Original Author: John Aynsley, Doulos, Inc. 2312855Sgabeblack@google.com// 2412855Sgabeblack@google.com// MODIFICATION LOG - modifiers, enter your name, affiliation, date and 2512855Sgabeblack@google.com// 2612855Sgabeblack@google.com// $Log: kill_reset.cpp,v $ 2712855Sgabeblack@google.com// Revision 1.2 2011/05/08 19:18:46 acg 2812855Sgabeblack@google.com// Andy Goodrich: remove extraneous + prefixes from git diff. 2912855Sgabeblack@google.com// 3012855Sgabeblack@google.com 3112855Sgabeblack@google.com// Reset and kill a thread process, including nested kills and resets 3212855Sgabeblack@google.com 3312855Sgabeblack@google.com#include <systemc> 3412855Sgabeblack@google.com 3512855Sgabeblack@google.comusing namespace sc_core; 3612855Sgabeblack@google.comusing std::cout; 3712855Sgabeblack@google.comusing std::endl; 3812855Sgabeblack@google.com 3912855Sgabeblack@google.comstruct M3: sc_module 4012855Sgabeblack@google.com{ 4112855Sgabeblack@google.com M3(sc_module_name _name) 4212855Sgabeblack@google.com { 4312855Sgabeblack@google.com SC_THREAD(ticker); 4412855Sgabeblack@google.com k = sc_get_current_process_handle(); 4512855Sgabeblack@google.com 4612855Sgabeblack@google.com SC_THREAD(calling); 4712855Sgabeblack@google.com 4812855Sgabeblack@google.com SC_THREAD(target); 4912855Sgabeblack@google.com t = sc_get_current_process_handle(); 5012855Sgabeblack@google.com 5112855Sgabeblack@google.com SC_THREAD(victim); 5212855Sgabeblack@google.com v = sc_get_current_process_handle(); 5312855Sgabeblack@google.com 5412855Sgabeblack@google.com SC_THREAD(bystander); 5512855Sgabeblack@google.com b = sc_get_current_process_handle(); 5612855Sgabeblack@google.com 5712855Sgabeblack@google.com SC_THREAD(second_bystander); 5812855Sgabeblack@google.com b2 = sc_get_current_process_handle(); 5912855Sgabeblack@google.com 6012855Sgabeblack@google.com SC_THREAD(third_bystander); 6112855Sgabeblack@google.com b3 = sc_get_current_process_handle(); 6212855Sgabeblack@google.com 6312855Sgabeblack@google.com killing_over = false; 6412855Sgabeblack@google.com third_bystander_knocked_over = false; 6512855Sgabeblack@google.com } 6612855Sgabeblack@google.com 6712855Sgabeblack@google.com sc_process_handle t, k, v, b, b2, b3; 6812855Sgabeblack@google.com sc_event ev; 6912855Sgabeblack@google.com int count; 7012855Sgabeblack@google.com bool killing_over; 7112855Sgabeblack@google.com bool third_bystander_knocked_over; 7212855Sgabeblack@google.com 7312855Sgabeblack@google.com void ticker() 7412855Sgabeblack@google.com { 7512855Sgabeblack@google.com for (;;) 7612855Sgabeblack@google.com { 7712855Sgabeblack@google.com try { 7812855Sgabeblack@google.com wait(10, SC_NS); 7912855Sgabeblack@google.com ev.notify(); 8012855Sgabeblack@google.com sc_assert( !sc_is_unwinding() ); 8112855Sgabeblack@google.com } 8212855Sgabeblack@google.com catch (const sc_unwind_exception& ex) 8312855Sgabeblack@google.com { 8412855Sgabeblack@google.com // ticker process killed by target 8512855Sgabeblack@google.com cout << "sc_unwind_exception caught by ticker" << endl; 8612855Sgabeblack@google.com sc_assert( !ex.is_reset() ); 8712855Sgabeblack@google.com sc_assert( count == 1 ); 8812855Sgabeblack@google.com sc_assert( !killing_over ); 8912855Sgabeblack@google.com sc_assert( t.is_unwinding() ); 9012855Sgabeblack@google.com sc_assert( sc_is_unwinding() ); 9112855Sgabeblack@google.com 9212855Sgabeblack@google.com v.kill(); 9312855Sgabeblack@google.com throw ex; 9412855Sgabeblack@google.com } 9512855Sgabeblack@google.com } 9612855Sgabeblack@google.com } 9712855Sgabeblack@google.com 9812855Sgabeblack@google.com void calling() 9912855Sgabeblack@google.com { 10012855Sgabeblack@google.com wait(15, SC_NS); 10112855Sgabeblack@google.com // Target runs at time 10 NS due to notification 10212855Sgabeblack@google.com sc_assert( count == 1 ); 10312855Sgabeblack@google.com // The victim awakes every 1ns 10412855Sgabeblack@google.com sc_assert( sc_time_to_pending_activity() <= sc_time(1, SC_NS) ); 10512855Sgabeblack@google.com 10612855Sgabeblack@google.com wait(10, SC_NS); 10712855Sgabeblack@google.com // Target runs again at time 20 NS due to notification 10812855Sgabeblack@google.com sc_assert( count == 2 ); 10912855Sgabeblack@google.com 11012855Sgabeblack@google.com t.reset(); 11112855Sgabeblack@google.com // Target reset immediately at time 25 NS 11212855Sgabeblack@google.com sc_assert( count == 0 ); 11312855Sgabeblack@google.com 11412855Sgabeblack@google.com wait(10, SC_NS); 11512855Sgabeblack@google.com // Target runs again at time 30 NS due to notification 11612855Sgabeblack@google.com sc_assert( count == 1 ); 11712855Sgabeblack@google.com 11812855Sgabeblack@google.com t.kill(); 11912855Sgabeblack@google.com sc_assert( !killing_over ); 12012855Sgabeblack@google.com killing_over = true; 12112855Sgabeblack@google.com 12212855Sgabeblack@google.com // Target killed immediately at time 35 NS 12312855Sgabeblack@google.com if (t.valid()) 12412855Sgabeblack@google.com sc_assert( t.terminated() ); 12512855Sgabeblack@google.com if (k.valid()) 12612855Sgabeblack@google.com sc_assert( k.terminated() ); 12712855Sgabeblack@google.com if (v.valid()) 12812855Sgabeblack@google.com sc_assert( v.terminated() ); 12912855Sgabeblack@google.com sc_assert( b.valid() && !b.terminated() ); 13012855Sgabeblack@google.com sc_assert( b2.valid() && !b2.terminated() ); 13112855Sgabeblack@google.com if (b3.valid()) 13212855Sgabeblack@google.com sc_assert( b3.terminated() ); 13312855Sgabeblack@google.com 13412855Sgabeblack@google.com sc_stop(); 13512855Sgabeblack@google.com } 13612855Sgabeblack@google.com 13712855Sgabeblack@google.com void target() 13812855Sgabeblack@google.com { 13912855Sgabeblack@google.com cout << "Target called/reset at " << sc_time_stamp() << endl; 14012855Sgabeblack@google.com count = 0; 14112855Sgabeblack@google.com for (;;) 14212855Sgabeblack@google.com { 14312855Sgabeblack@google.com try { 14412855Sgabeblack@google.com wait(ev); 14512855Sgabeblack@google.com cout << "Target awoke at " << sc_time_stamp() << endl; 14612855Sgabeblack@google.com ++count; 14712855Sgabeblack@google.com } 14812855Sgabeblack@google.com catch (const sc_unwind_exception& ex) 14912855Sgabeblack@google.com { 15012855Sgabeblack@google.com cout << "sc_unwind_exception caught by target" << endl; 15112855Sgabeblack@google.com if (count == 2) 15212855Sgabeblack@google.com sc_assert( ex.is_reset() ); 15312855Sgabeblack@google.com else if (count == 1) 15412855Sgabeblack@google.com { 15512855Sgabeblack@google.com sc_assert( !ex.is_reset() ); 15612855Sgabeblack@google.com sc_assert( !killing_over ); 15712855Sgabeblack@google.com k.kill(); 15812855Sgabeblack@google.com } 15912855Sgabeblack@google.com else 16012855Sgabeblack@google.com sc_assert( false ); 16112855Sgabeblack@google.com throw ex; 16212855Sgabeblack@google.com } 16312855Sgabeblack@google.com } 16412855Sgabeblack@google.com } 16512855Sgabeblack@google.com 16612855Sgabeblack@google.com void victim() 16712855Sgabeblack@google.com { 16812855Sgabeblack@google.com try { 16912855Sgabeblack@google.com while (true) 17012855Sgabeblack@google.com { 17112855Sgabeblack@google.com wait(1, SC_NS); 17212855Sgabeblack@google.com sc_assert( !sc_is_unwinding() ); 17312855Sgabeblack@google.com } 17412855Sgabeblack@google.com } 17512855Sgabeblack@google.com catch (const sc_unwind_exception& ex) 17612855Sgabeblack@google.com { 17712855Sgabeblack@google.com cout << "sc_unwind_exception caught by victim" << endl; 17812855Sgabeblack@google.com sc_assert( sc_time_stamp() == sc_time(35, SC_NS) ); 17912855Sgabeblack@google.com sc_assert( ex.is_reset() == false ); 18012855Sgabeblack@google.com sc_assert( !killing_over ); 18112855Sgabeblack@google.com sc_assert( v.is_unwinding() ); 18212855Sgabeblack@google.com sc_assert( sc_is_unwinding() ); 18312855Sgabeblack@google.com 18412855Sgabeblack@google.com b.reset(); 18512855Sgabeblack@google.com throw ex; 18612855Sgabeblack@google.com } 18712855Sgabeblack@google.com } 18812855Sgabeblack@google.com 18912855Sgabeblack@google.com void bystander() // Gets reset by victim 19012855Sgabeblack@google.com { 19112855Sgabeblack@google.com for (;;) 19212855Sgabeblack@google.com { 19312855Sgabeblack@google.com try { 19412855Sgabeblack@google.com wait(ev); 19512855Sgabeblack@google.com } 19612855Sgabeblack@google.com catch (const sc_unwind_exception& ex) { 19712855Sgabeblack@google.com cout << "sc_unwind_exception caught by bystander" << endl; 19812855Sgabeblack@google.com sc_assert( sc_time_stamp() == sc_time(35, SC_NS) ); 19912855Sgabeblack@google.com sc_assert( ex.is_reset() == true ); 20012855Sgabeblack@google.com sc_assert( !killing_over ); 20112855Sgabeblack@google.com sc_assert( v.is_unwinding() ); // sic 20212855Sgabeblack@google.com sc_assert( sc_is_unwinding() ); 20312855Sgabeblack@google.com 20412855Sgabeblack@google.com b2.reset(); 20512855Sgabeblack@google.com throw ex; 20612855Sgabeblack@google.com } 20712855Sgabeblack@google.com } 20812855Sgabeblack@google.com } 20912855Sgabeblack@google.com 21012855Sgabeblack@google.com void second_bystander() // Gets reset by bystander 21112855Sgabeblack@google.com { 21212855Sgabeblack@google.com for (;;) 21312855Sgabeblack@google.com { 21412855Sgabeblack@google.com try { 21512855Sgabeblack@google.com wait(ev); 21612855Sgabeblack@google.com } 21712855Sgabeblack@google.com catch (const sc_unwind_exception& ex) { 21812855Sgabeblack@google.com cout << "sc_unwind_exception caught by second_bystander" << endl; 21912855Sgabeblack@google.com sc_assert( sc_time_stamp() == sc_time(35, SC_NS) ); 22012855Sgabeblack@google.com sc_assert( ex.is_reset() == true ); 22112855Sgabeblack@google.com sc_assert( !killing_over ); 22212855Sgabeblack@google.com sc_assert( v.is_unwinding() ); // sic 22312855Sgabeblack@google.com sc_assert( b.is_unwinding() ); // sic 22412855Sgabeblack@google.com sc_assert( sc_is_unwinding() ); 22512855Sgabeblack@google.com 22612855Sgabeblack@google.com b3.kill(); 22712855Sgabeblack@google.com throw ex; 22812855Sgabeblack@google.com } 22912855Sgabeblack@google.com } 23012855Sgabeblack@google.com } 23112855Sgabeblack@google.com 23212855Sgabeblack@google.com void third_bystander() // Gets killed by second bystander 23312855Sgabeblack@google.com { 23412855Sgabeblack@google.com for (;;) 23512855Sgabeblack@google.com { 23612855Sgabeblack@google.com try { 23712855Sgabeblack@google.com wait(ev); 23812855Sgabeblack@google.com } 23912855Sgabeblack@google.com catch (const sc_unwind_exception& ex) { 24012855Sgabeblack@google.com cout << "sc_unwind_exception caught by third_bystander" << endl; 24112855Sgabeblack@google.com sc_assert( sc_time_stamp() == sc_time(35, SC_NS) ); 24212855Sgabeblack@google.com sc_assert( !ex.is_reset() == true ); 24312855Sgabeblack@google.com sc_assert( !killing_over ); 24412855Sgabeblack@google.com sc_assert( v.is_unwinding() ); // sic 24512855Sgabeblack@google.com sc_assert( b.is_unwinding() ); // sic 24612855Sgabeblack@google.com sc_assert( b2.is_unwinding() ); // sic 24712855Sgabeblack@google.com sc_assert( sc_is_unwinding() ); 24812855Sgabeblack@google.com 24912855Sgabeblack@google.com third_bystander_knocked_over = true; 25012855Sgabeblack@google.com throw ex; 25112855Sgabeblack@google.com } 25212855Sgabeblack@google.com } 25312855Sgabeblack@google.com } 25412855Sgabeblack@google.com 25512855Sgabeblack@google.com SC_HAS_PROCESS(M3); 25612855Sgabeblack@google.com}; 25712855Sgabeblack@google.com 25812855Sgabeblack@google.comint sc_main(int argc, char* argv[]) 25912855Sgabeblack@google.com{ 26012855Sgabeblack@google.com M3 m("m"); 26112855Sgabeblack@google.com sc_assert( sc_pending_activity() == false ); 26212855Sgabeblack@google.com sc_assert( sc_time_to_pending_activity() == sc_max_time() ); 26312855Sgabeblack@google.com 26412855Sgabeblack@google.com sc_start(); 26512855Sgabeblack@google.com sc_assert( m.third_bystander_knocked_over ); 26612855Sgabeblack@google.com 26712855Sgabeblack@google.com cout << endl << "Success" << endl; 26812855Sgabeblack@google.com return 0; 26912855Sgabeblack@google.com} 27012855Sgabeblack@google.com 271