RubyTester.cc revision 8851
16899SN/A/* 28851Sandreas.hansson@arm.com * Copyright (c) 2012 ARM Limited 38851Sandreas.hansson@arm.com * All rights reserved 48851Sandreas.hansson@arm.com * 58851Sandreas.hansson@arm.com * The license below extends only to copyright in the software and shall 68851Sandreas.hansson@arm.com * not be construed as granting a license to any other intellectual 78851Sandreas.hansson@arm.com * property including but not limited to intellectual property relating 88851Sandreas.hansson@arm.com * to a hardware implementation of the functionality of the software 98851Sandreas.hansson@arm.com * licensed hereunder. You may use the software subject to the license 108851Sandreas.hansson@arm.com * terms below provided that you ensure that this notice is replicated 118851Sandreas.hansson@arm.com * unmodified and in its entirety in all distributions of the software, 128851Sandreas.hansson@arm.com * modified or unmodified, in source code or in binary form. 138851Sandreas.hansson@arm.com * 146899SN/A * Copyright (c) 1999-2008 Mark D. Hill and David A. Wood 156899SN/A * Copyright (c) 2009 Advanced Micro Devices, Inc. 166899SN/A * All rights reserved. 176899SN/A * 186899SN/A * Redistribution and use in source and binary forms, with or without 196899SN/A * modification, are permitted provided that the following conditions are 206899SN/A * met: redistributions of source code must retain the above copyright 216899SN/A * notice, this list of conditions and the following disclaimer; 226899SN/A * redistributions in binary form must reproduce the above copyright 236899SN/A * notice, this list of conditions and the following disclaimer in the 246899SN/A * documentation and/or other materials provided with the distribution; 256899SN/A * neither the name of the copyright holders nor the names of its 266899SN/A * contributors may be used to endorse or promote products derived from 276899SN/A * this software without specific prior written permission. 286899SN/A * 296899SN/A * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 306899SN/A * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 316899SN/A * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 326899SN/A * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 336899SN/A * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 346899SN/A * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 356899SN/A * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 366899SN/A * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 376899SN/A * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 386899SN/A * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 396899SN/A * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 406899SN/A */ 416899SN/A 427805Snilay@cs.wisc.edu#include "base/misc.hh" 437632SBrad.Beckmann@amd.com#include "cpu/testers/rubytest/Check.hh" 447632SBrad.Beckmann@amd.com#include "cpu/testers/rubytest/RubyTester.hh" 458232Snate@binkert.org#include "debug/RubyTest.hh" 466899SN/A#include "mem/ruby/common/Global.hh" 477053SN/A#include "mem/ruby/common/SubBlock.hh" 487053SN/A#include "mem/ruby/eventqueue/RubyEventQueue.hh" 496899SN/A#include "mem/ruby/system/System.hh" 506899SN/A#include "sim/sim_exit.hh" 518832SAli.Saidi@ARM.com#include "sim/system.hh" 526899SN/A 536899SN/ARubyTester::RubyTester(const Params *p) 547053SN/A : MemObject(p), checkStartEvent(this), 558832SAli.Saidi@ARM.com _masterId(p->system->getMasterId(name())), 566899SN/A m_checks_to_complete(p->checks_to_complete), 576899SN/A m_deadlock_threshold(p->deadlock_threshold), 588184Ssomayeh@cs.wisc.edu m_wakeup_frequency(p->wakeup_frequency), 598184Ssomayeh@cs.wisc.edu m_check_flush(p->check_flush) 606899SN/A{ 617053SN/A m_checks_completed = 0; 626899SN/A 638851Sandreas.hansson@arm.com // create the ports 648851Sandreas.hansson@arm.com for (int i = 0; i < p->port_cpuPort_connection_count; ++i) { 658851Sandreas.hansson@arm.com ports.push_back(new CpuPort(csprintf("%s-port%d", name(), i), 668851Sandreas.hansson@arm.com this, i)); 678851Sandreas.hansson@arm.com } 688851Sandreas.hansson@arm.com 697053SN/A // add the check start event to the event queue 707053SN/A schedule(checkStartEvent, 1); 716899SN/A} 726899SN/A 736899SN/ARubyTester::~RubyTester() 746899SN/A{ 757053SN/A delete m_checkTable_ptr; 767053SN/A for (int i = 0; i < ports.size(); i++) 777053SN/A delete ports[i]; 786899SN/A} 796899SN/A 807053SN/Avoid 817053SN/ARubyTester::init() 826899SN/A{ 837053SN/A assert(ports.size() > 0); 846899SN/A 857454SN/A m_last_progress_vector.resize(ports.size()); 867053SN/A for (int i = 0; i < m_last_progress_vector.size(); i++) { 877053SN/A m_last_progress_vector[i] = 0; 887053SN/A } 896899SN/A 907053SN/A m_num_cpu_sequencers = ports.size(); 916899SN/A 927053SN/A m_checkTable_ptr = new CheckTable(m_num_cpu_sequencers, this); 936899SN/A} 946899SN/A 956899SN/APort * 966899SN/ARubyTester::getPort(const std::string &if_name, int idx) 976899SN/A{ 986899SN/A if (if_name != "cpuPort") { 998851Sandreas.hansson@arm.com panic("RubyTester::getPort: unknown port %s requested\n", if_name); 1006899SN/A } 1016899SN/A 1028851Sandreas.hansson@arm.com if (idx >= static_cast<int>(ports.size())) { 1038851Sandreas.hansson@arm.com panic("RubyTester::getPort: unknown index %d requested\n", idx); 1046899SN/A } 1056899SN/A 1068851Sandreas.hansson@arm.com return ports[idx]; 1076899SN/A} 1086899SN/A 1096899SN/ATick 1106899SN/ARubyTester::CpuPort::recvAtomic(PacketPtr pkt) 1116899SN/A{ 1127053SN/A panic("RubyTester::CpuPort::recvAtomic() not implemented!\n"); 1137053SN/A return 0; 1146899SN/A} 1156899SN/A 1166899SN/Abool 1176899SN/ARubyTester::CpuPort::recvTiming(PacketPtr pkt) 1186899SN/A{ 1197053SN/A // retrieve the subblock and call hitCallback 1207053SN/A RubyTester::SenderState* senderState = 1217053SN/A safe_cast<RubyTester::SenderState*>(pkt->senderState); 1227053SN/A SubBlock* subblock = senderState->subBlock; 1237053SN/A assert(subblock != NULL); 1246899SN/A 1257053SN/A // pop the sender state from the packet 1267053SN/A pkt->senderState = senderState->saved; 1276899SN/A 1287053SN/A tester->hitCallback(idx, subblock); 1297053SN/A 1307053SN/A // Now that the tester has completed, delete the senderState 1317053SN/A // (includes sublock) and the packet, then return 1327053SN/A delete senderState; 1337053SN/A delete pkt->req; 1347053SN/A delete pkt; 1357053SN/A return true; 1366899SN/A} 1376899SN/A 1387053SN/APort* 1396899SN/ARubyTester::getCpuPort(int idx) 1406899SN/A{ 1417053SN/A assert(idx >= 0 && idx < ports.size()); 1426899SN/A 1437053SN/A return ports[idx]; 1446899SN/A} 1456899SN/A 1467053SN/Avoid 1477053SN/ARubyTester::hitCallback(NodeID proc, SubBlock* data) 1486899SN/A{ 1497053SN/A // Mark that we made progress 1507053SN/A m_last_progress_vector[proc] = g_eventQueue_ptr->getTime(); 1516899SN/A 1527053SN/A DPRINTF(RubyTest, "completed request for proc: %d\n", proc); 1537053SN/A DPRINTF(RubyTest, "addr: 0x%x, size: %d, data: ", 1547053SN/A data->getAddress(), data->getSize()); 1557053SN/A for (int byte = 0; byte < data->getSize(); byte++) { 1567053SN/A DPRINTF(RubyTest, "%d", data->getByte(byte)); 1577053SN/A } 1587053SN/A DPRINTF(RubyTest, "\n"); 1596899SN/A 1607053SN/A // This tells us our store has 'completed' or for a load gives us 1617053SN/A // back the data to make the check 1627053SN/A Check* check_ptr = m_checkTable_ptr->getCheck(data->getAddress()); 1637053SN/A assert(check_ptr != NULL); 1647053SN/A check_ptr->performCallback(proc, data); 1656899SN/A} 1666899SN/A 1677053SN/Avoid 1687053SN/ARubyTester::wakeup() 1697053SN/A{ 1707053SN/A if (m_checks_completed < m_checks_to_complete) { 1717053SN/A // Try to perform an action or check 1727053SN/A Check* check_ptr = m_checkTable_ptr->getRandomCheck(); 1737053SN/A assert(check_ptr != NULL); 1747053SN/A check_ptr->initiate(); 1757053SN/A 1767053SN/A checkForDeadlock(); 1777053SN/A 1787823Ssteve.reinhardt@amd.com schedule(checkStartEvent, curTick() + m_wakeup_frequency); 1797053SN/A } else { 1807053SN/A exitSimLoop("Ruby Tester completed"); 1817053SN/A } 1826899SN/A} 1836899SN/A 1847053SN/Avoid 1857053SN/ARubyTester::checkForDeadlock() 1866899SN/A{ 1877053SN/A int size = m_last_progress_vector.size(); 1887053SN/A Time current_time = g_eventQueue_ptr->getTime(); 1897053SN/A for (int processor = 0; processor < size; processor++) { 1907053SN/A if ((current_time - m_last_progress_vector[processor]) > 1917053SN/A m_deadlock_threshold) { 1927805Snilay@cs.wisc.edu panic("Deadlock detected: current_time: %d last_progress_time: %d " 1937805Snilay@cs.wisc.edu "difference: %d processor: %d\n", 1947805Snilay@cs.wisc.edu current_time, m_last_progress_vector[processor], 1957805Snilay@cs.wisc.edu current_time - m_last_progress_vector[processor], processor); 1967053SN/A } 1976899SN/A } 1986899SN/A} 1996899SN/A 2007053SN/Avoid 2017055SN/ARubyTester::print(std::ostream& out) const 2026899SN/A{ 2037055SN/A out << "[RubyTester]" << std::endl; 2046899SN/A} 2056899SN/A 2066899SN/ARubyTester * 2076899SN/ARubyTesterParams::create() 2086899SN/A{ 2096899SN/A return new RubyTester(this); 2106899SN/A} 211