RubyTester.cc revision 8932
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())), 568932SBrad.Beckmann@amd.com m_num_cpus(p->num_cpus), 576899SN/A m_checks_to_complete(p->checks_to_complete), 586899SN/A m_deadlock_threshold(p->deadlock_threshold), 598184Ssomayeh@cs.wisc.edu m_wakeup_frequency(p->wakeup_frequency), 608932SBrad.Beckmann@amd.com m_check_flush(p->check_flush), 618932SBrad.Beckmann@amd.com m_num_inst_ports(p->port_cpuInstPort_connection_count) 626899SN/A{ 637053SN/A m_checks_completed = 0; 646899SN/A 658932SBrad.Beckmann@amd.com // 668932SBrad.Beckmann@amd.com // Create the requested inst and data ports and place them on the 678932SBrad.Beckmann@amd.com // appropriate read and write port lists. The reason for the subtle 688932SBrad.Beckmann@amd.com // difference between inst and data ports vs. read and write ports is 698932SBrad.Beckmann@amd.com // from the tester's perspective, it only needs to know whether a port 708932SBrad.Beckmann@amd.com // supports reads (checks) or writes (actions). Meanwhile, the protocol 718932SBrad.Beckmann@amd.com // controllers have data ports (support read and writes) or inst ports 728932SBrad.Beckmann@amd.com // (support only reads). 738932SBrad.Beckmann@amd.com // Note: the inst ports are the lowest elements of the readPort vector, 748932SBrad.Beckmann@amd.com // then the data ports are added to the readPort vector 758932SBrad.Beckmann@amd.com // 768932SBrad.Beckmann@amd.com for (int i = 0; i < p->port_cpuInstPort_connection_count; ++i) { 778932SBrad.Beckmann@amd.com readPorts.push_back(new CpuPort(csprintf("%s-instPort%d", name(), i), 788932SBrad.Beckmann@amd.com this, i, 798932SBrad.Beckmann@amd.com RubyTester::CpuPort::InstOnly)); 808932SBrad.Beckmann@amd.com } 818932SBrad.Beckmann@amd.com for (int i = 0; i < p->port_cpuDataPort_connection_count; ++i) { 828932SBrad.Beckmann@amd.com CpuPort *port = NULL; 838932SBrad.Beckmann@amd.com port = new CpuPort(csprintf("%s-dataPort%d", name(), i), this, i, 848932SBrad.Beckmann@amd.com RubyTester::CpuPort::DataOnly); 858932SBrad.Beckmann@amd.com readPorts.push_back(port); 868932SBrad.Beckmann@amd.com writePorts.push_back(port); 878851Sandreas.hansson@arm.com } 888851Sandreas.hansson@arm.com 897053SN/A // add the check start event to the event queue 907053SN/A schedule(checkStartEvent, 1); 916899SN/A} 926899SN/A 936899SN/ARubyTester::~RubyTester() 946899SN/A{ 957053SN/A delete m_checkTable_ptr; 968932SBrad.Beckmann@amd.com // Only delete the readPorts since the writePorts are just a subset 978932SBrad.Beckmann@amd.com for (int i = 0; i < readPorts.size(); i++) 988932SBrad.Beckmann@amd.com delete readPorts[i]; 996899SN/A} 1006899SN/A 1017053SN/Avoid 1027053SN/ARubyTester::init() 1036899SN/A{ 1048932SBrad.Beckmann@amd.com assert(writePorts.size() > 0 && readPorts.size() > 0); 1056899SN/A 1068932SBrad.Beckmann@amd.com m_last_progress_vector.resize(m_num_cpus); 1077053SN/A for (int i = 0; i < m_last_progress_vector.size(); i++) { 1087053SN/A m_last_progress_vector[i] = 0; 1097053SN/A } 1106899SN/A 1118932SBrad.Beckmann@amd.com m_num_writers = writePorts.size(); 1128932SBrad.Beckmann@amd.com m_num_readers = readPorts.size(); 1136899SN/A 1148932SBrad.Beckmann@amd.com m_checkTable_ptr = new CheckTable(m_num_writers, m_num_readers, this); 1156899SN/A} 1166899SN/A 1178922Swilliam.wang@arm.comMasterPort & 1188922Swilliam.wang@arm.comRubyTester::getMasterPort(const std::string &if_name, int idx) 1196899SN/A{ 1208932SBrad.Beckmann@amd.com if (if_name != "cpuInstPort" && if_name != "cpuDataPort") { 1218922Swilliam.wang@arm.com // pass it along to our super class 1228922Swilliam.wang@arm.com return MemObject::getMasterPort(if_name, idx); 1238922Swilliam.wang@arm.com } else { 1248932SBrad.Beckmann@amd.com if (if_name == "cpuInstPort") { 1258932SBrad.Beckmann@amd.com printf("print getting inst port %d\n", idx); 1268932SBrad.Beckmann@amd.com if (idx > m_num_inst_ports) { 1278932SBrad.Beckmann@amd.com panic("RubyTester::getMasterPort: unknown inst port idx %d\n", 1288932SBrad.Beckmann@amd.com idx); 1298932SBrad.Beckmann@amd.com } 1308932SBrad.Beckmann@amd.com // 1318932SBrad.Beckmann@amd.com // inst ports directly map to the lowest readPort elements 1328932SBrad.Beckmann@amd.com // 1338932SBrad.Beckmann@amd.com return *readPorts[idx]; 1348932SBrad.Beckmann@amd.com } else { 1358932SBrad.Beckmann@amd.com assert(if_name == "cpuDataPort"); 1368932SBrad.Beckmann@amd.com // 1378932SBrad.Beckmann@amd.com // add the inst port offset to translate to the correct read port 1388932SBrad.Beckmann@amd.com // index 1398932SBrad.Beckmann@amd.com // 1408932SBrad.Beckmann@amd.com int read_idx = idx + m_num_inst_ports; 1418932SBrad.Beckmann@amd.com if (read_idx >= static_cast<int>(readPorts.size())) { 1428932SBrad.Beckmann@amd.com panic("RubyTester::getMasterPort: unknown data port idx %d\n", 1438932SBrad.Beckmann@amd.com idx); 1448932SBrad.Beckmann@amd.com } 1458932SBrad.Beckmann@amd.com return *readPorts[read_idx]; 1468922Swilliam.wang@arm.com } 1476899SN/A } 1486899SN/A} 1496899SN/A 1506899SN/ATick 1516899SN/ARubyTester::CpuPort::recvAtomic(PacketPtr pkt) 1526899SN/A{ 1537053SN/A panic("RubyTester::CpuPort::recvAtomic() not implemented!\n"); 1547053SN/A return 0; 1556899SN/A} 1566899SN/A 1576899SN/Abool 1586899SN/ARubyTester::CpuPort::recvTiming(PacketPtr pkt) 1596899SN/A{ 1607053SN/A // retrieve the subblock and call hitCallback 1617053SN/A RubyTester::SenderState* senderState = 1627053SN/A safe_cast<RubyTester::SenderState*>(pkt->senderState); 1637053SN/A SubBlock* subblock = senderState->subBlock; 1647053SN/A assert(subblock != NULL); 1656899SN/A 1667053SN/A // pop the sender state from the packet 1677053SN/A pkt->senderState = senderState->saved; 1686899SN/A 1697053SN/A tester->hitCallback(idx, subblock); 1707053SN/A 1717053SN/A // Now that the tester has completed, delete the senderState 1727053SN/A // (includes sublock) and the packet, then return 1737053SN/A delete senderState; 1747053SN/A delete pkt->req; 1757053SN/A delete pkt; 1767053SN/A return true; 1776899SN/A} 1786899SN/A 1798922Swilliam.wang@arm.comMasterPort* 1808932SBrad.Beckmann@amd.comRubyTester::getReadableCpuPort(int idx) 1816899SN/A{ 1828932SBrad.Beckmann@amd.com assert(idx >= 0 && idx < readPorts.size()); 1836899SN/A 1848932SBrad.Beckmann@amd.com return readPorts[idx]; 1858932SBrad.Beckmann@amd.com} 1868932SBrad.Beckmann@amd.com 1878932SBrad.Beckmann@amd.comMasterPort* 1888932SBrad.Beckmann@amd.comRubyTester::getWritableCpuPort(int idx) 1898932SBrad.Beckmann@amd.com{ 1908932SBrad.Beckmann@amd.com assert(idx >= 0 && idx < writePorts.size()); 1918932SBrad.Beckmann@amd.com 1928932SBrad.Beckmann@amd.com return writePorts[idx]; 1936899SN/A} 1946899SN/A 1957053SN/Avoid 1967053SN/ARubyTester::hitCallback(NodeID proc, SubBlock* data) 1976899SN/A{ 1987053SN/A // Mark that we made progress 1997053SN/A m_last_progress_vector[proc] = g_eventQueue_ptr->getTime(); 2006899SN/A 2017053SN/A DPRINTF(RubyTest, "completed request for proc: %d\n", proc); 2027053SN/A DPRINTF(RubyTest, "addr: 0x%x, size: %d, data: ", 2037053SN/A data->getAddress(), data->getSize()); 2047053SN/A for (int byte = 0; byte < data->getSize(); byte++) { 2057053SN/A DPRINTF(RubyTest, "%d", data->getByte(byte)); 2067053SN/A } 2077053SN/A DPRINTF(RubyTest, "\n"); 2086899SN/A 2097053SN/A // This tells us our store has 'completed' or for a load gives us 2107053SN/A // back the data to make the check 2117053SN/A Check* check_ptr = m_checkTable_ptr->getCheck(data->getAddress()); 2127053SN/A assert(check_ptr != NULL); 2137053SN/A check_ptr->performCallback(proc, data); 2146899SN/A} 2156899SN/A 2167053SN/Avoid 2177053SN/ARubyTester::wakeup() 2187053SN/A{ 2197053SN/A if (m_checks_completed < m_checks_to_complete) { 2207053SN/A // Try to perform an action or check 2217053SN/A Check* check_ptr = m_checkTable_ptr->getRandomCheck(); 2227053SN/A assert(check_ptr != NULL); 2237053SN/A check_ptr->initiate(); 2247053SN/A 2257053SN/A checkForDeadlock(); 2267053SN/A 2277823Ssteve.reinhardt@amd.com schedule(checkStartEvent, curTick() + m_wakeup_frequency); 2287053SN/A } else { 2297053SN/A exitSimLoop("Ruby Tester completed"); 2307053SN/A } 2316899SN/A} 2326899SN/A 2337053SN/Avoid 2347053SN/ARubyTester::checkForDeadlock() 2356899SN/A{ 2367053SN/A int size = m_last_progress_vector.size(); 2377053SN/A Time current_time = g_eventQueue_ptr->getTime(); 2387053SN/A for (int processor = 0; processor < size; processor++) { 2397053SN/A if ((current_time - m_last_progress_vector[processor]) > 2407053SN/A m_deadlock_threshold) { 2417805Snilay@cs.wisc.edu panic("Deadlock detected: current_time: %d last_progress_time: %d " 2427805Snilay@cs.wisc.edu "difference: %d processor: %d\n", 2437805Snilay@cs.wisc.edu current_time, m_last_progress_vector[processor], 2447805Snilay@cs.wisc.edu current_time - m_last_progress_vector[processor], processor); 2457053SN/A } 2466899SN/A } 2476899SN/A} 2486899SN/A 2497053SN/Avoid 2507055SN/ARubyTester::print(std::ostream& out) const 2516899SN/A{ 2527055SN/A out << "[RubyTester]" << std::endl; 2536899SN/A} 2546899SN/A 2556899SN/ARubyTester * 2566899SN/ARubyTesterParams::create() 2576899SN/A{ 2586899SN/A return new RubyTester(this); 2596899SN/A} 260