SeriesRequestGenerator.cc revision 8655:e4001326a5ba
111818SChristian.Menard@tu-dresden.de/* 211818SChristian.Menard@tu-dresden.de * Copyright (c) 1999-2008 Mark D. Hill and David A. Wood 311818SChristian.Menard@tu-dresden.de * Copyright (c) 2009-2010 Advanced Micro Devices, Inc. 411818SChristian.Menard@tu-dresden.de * All rights reserved. 511818SChristian.Menard@tu-dresden.de * 611818SChristian.Menard@tu-dresden.de * Redistribution and use in source and binary forms, with or without 711818SChristian.Menard@tu-dresden.de * modification, are permitted provided that the following conditions are 811818SChristian.Menard@tu-dresden.de * met: redistributions of source code must retain the above copyright 911818SChristian.Menard@tu-dresden.de * notice, this list of conditions and the following disclaimer; 1011818SChristian.Menard@tu-dresden.de * redistributions in binary form must reproduce the above copyright 1111818SChristian.Menard@tu-dresden.de * notice, this list of conditions and the following disclaimer in the 1211818SChristian.Menard@tu-dresden.de * documentation and/or other materials provided with the distribution; 1311818SChristian.Menard@tu-dresden.de * neither the name of the copyright holders nor the names of its 1411818SChristian.Menard@tu-dresden.de * contributors may be used to endorse or promote products derived from 1511818SChristian.Menard@tu-dresden.de * this software without specific prior written permission. 1611818SChristian.Menard@tu-dresden.de * 1711818SChristian.Menard@tu-dresden.de * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 1811818SChristian.Menard@tu-dresden.de * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 1911818SChristian.Menard@tu-dresden.de * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 2011818SChristian.Menard@tu-dresden.de * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 2111818SChristian.Menard@tu-dresden.de * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 2211818SChristian.Menard@tu-dresden.de * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 2311818SChristian.Menard@tu-dresden.de * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 2411818SChristian.Menard@tu-dresden.de * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 2511818SChristian.Menard@tu-dresden.de * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 2611818SChristian.Menard@tu-dresden.de * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 2711818SChristian.Menard@tu-dresden.de * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 2811818SChristian.Menard@tu-dresden.de */ 2911818SChristian.Menard@tu-dresden.de 3011818SChristian.Menard@tu-dresden.de#include "cpu/testers/directedtest/DirectedGenerator.hh" 3111818SChristian.Menard@tu-dresden.de#include "cpu/testers/directedtest/RubyDirectedTester.hh" 3211818SChristian.Menard@tu-dresden.de#include "cpu/testers/directedtest/SeriesRequestGenerator.hh" 3311818SChristian.Menard@tu-dresden.de#include "debug/DirectedTest.hh" 3411818SChristian.Menard@tu-dresden.de 3511818SChristian.Menard@tu-dresden.deSeriesRequestGenerator::SeriesRequestGenerator(const Params *p) 3611818SChristian.Menard@tu-dresden.de : DirectedGenerator(p) 3711818SChristian.Menard@tu-dresden.de{ 3811818SChristian.Menard@tu-dresden.de m_status = SeriesRequestGeneratorStatus_Thinking; 3911818SChristian.Menard@tu-dresden.de m_active_node = 0; 4011818SChristian.Menard@tu-dresden.de m_address = 0x0; 4111818SChristian.Menard@tu-dresden.de m_addr_increment_size = p->addr_increment_size; 4211818SChristian.Menard@tu-dresden.de m_issue_writes = p->issue_writes; 4311818SChristian.Menard@tu-dresden.de} 4411818SChristian.Menard@tu-dresden.de 4511818SChristian.Menard@tu-dresden.deSeriesRequestGenerator::~SeriesRequestGenerator() 4611818SChristian.Menard@tu-dresden.de{ 4711818SChristian.Menard@tu-dresden.de} 4811818SChristian.Menard@tu-dresden.de 4911821SChristian.Menard@tu-dresden.debool 5011821SChristian.Menard@tu-dresden.deSeriesRequestGenerator::initiate() 5111818SChristian.Menard@tu-dresden.de{ 5211818SChristian.Menard@tu-dresden.de DPRINTF(DirectedTest, "initiating request\n"); 5311822SChristian.Menard@tu-dresden.de assert(m_status == SeriesRequestGeneratorStatus_Thinking); 5411818SChristian.Menard@tu-dresden.de 5511818SChristian.Menard@tu-dresden.de RubyDirectedTester::CpuPort* port = 5611818SChristian.Menard@tu-dresden.de safe_cast<RubyDirectedTester::CpuPort*>(m_directed_tester-> 5711818SChristian.Menard@tu-dresden.de getCpuPort(m_active_node)); 5811818SChristian.Menard@tu-dresden.de 5911821SChristian.Menard@tu-dresden.de Request::Flags flags; 6011821SChristian.Menard@tu-dresden.de 6111821SChristian.Menard@tu-dresden.de // For simplicity, requests are assumed to be 1 byte-sized 6211818SChristian.Menard@tu-dresden.de Request *req = new Request(m_address, 1, flags); 6311818SChristian.Menard@tu-dresden.de 6411822SChristian.Menard@tu-dresden.de Packet::Command cmd; 6511821SChristian.Menard@tu-dresden.de if (m_issue_writes) { 6611821SChristian.Menard@tu-dresden.de cmd = MemCmd::WriteReq; 6711821SChristian.Menard@tu-dresden.de } else { 6811818SChristian.Menard@tu-dresden.de cmd = MemCmd::ReadReq; 6911821SChristian.Menard@tu-dresden.de } 7011818SChristian.Menard@tu-dresden.de PacketPtr pkt = new Packet(req, cmd, m_active_node); 7111822SChristian.Menard@tu-dresden.de uint8_t* dummyData = new uint8_t; 7211822SChristian.Menard@tu-dresden.de *dummyData = 0; 7311822SChristian.Menard@tu-dresden.de pkt->dataDynamic(dummyData); 7411822SChristian.Menard@tu-dresden.de 7511822SChristian.Menard@tu-dresden.de if (port->sendTiming(pkt)) { 7611818SChristian.Menard@tu-dresden.de DPRINTF(DirectedTest, "initiating request - successful\n"); 7711822SChristian.Menard@tu-dresden.de m_status = SeriesRequestGeneratorStatus_Request_Pending; 7811822SChristian.Menard@tu-dresden.de return true; 7911818SChristian.Menard@tu-dresden.de } else { 8011821SChristian.Menard@tu-dresden.de // If the packet did not issue, must delete 8111821SChristian.Menard@tu-dresden.de // Note: No need to delete the data, the packet destructor 8211818SChristian.Menard@tu-dresden.de // will delete it 8311818SChristian.Menard@tu-dresden.de delete pkt->req; 8411818SChristian.Menard@tu-dresden.de delete pkt; 8511818SChristian.Menard@tu-dresden.de 8611818SChristian.Menard@tu-dresden.de DPRINTF(DirectedTest, "failed to initiate request - sequencer not ready\n"); 8711818SChristian.Menard@tu-dresden.de return false; 8811818SChristian.Menard@tu-dresden.de } 8911818SChristian.Menard@tu-dresden.de} 90 91void 92SeriesRequestGenerator::performCallback(uint32_t proc, Addr address) 93{ 94 assert(m_active_node == proc); 95 assert(m_address == address); 96 assert(m_status == SeriesRequestGeneratorStatus_Request_Pending); 97 98 m_status = SeriesRequestGeneratorStatus_Thinking; 99 m_active_node++; 100 if (m_active_node == m_num_cpus) { 101 // 102 // Cycle of requests completed, increment cycle completions and restart 103 // at cpu zero 104 // 105 m_directed_tester->incrementCycleCompletions(); 106 m_address += m_addr_increment_size; 107 m_active_node = 0; 108 } 109} 110 111SeriesRequestGenerator * 112SeriesRequestGeneratorParams::create() 113{ 114 return new SeriesRequestGenerator(this); 115} 116