port.cc revision 5476
12405SN/A/* 22405SN/A * Copyright (c) 2002-2005 The Regents of The University of Michigan 32405SN/A * All rights reserved. 42405SN/A * 52405SN/A * Redistribution and use in source and binary forms, with or without 62405SN/A * modification, are permitted provided that the following conditions are 72405SN/A * met: redistributions of source code must retain the above copyright 82405SN/A * notice, this list of conditions and the following disclaimer; 92405SN/A * redistributions in binary form must reproduce the above copyright 102405SN/A * notice, this list of conditions and the following disclaimer in the 112405SN/A * documentation and/or other materials provided with the distribution; 122405SN/A * neither the name of the copyright holders nor the names of its 132405SN/A * contributors may be used to endorse or promote products derived from 142405SN/A * this software without specific prior written permission. 152405SN/A * 162405SN/A * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 172405SN/A * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 182405SN/A * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 192405SN/A * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 202405SN/A * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 212405SN/A * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 222405SN/A * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 232405SN/A * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 242405SN/A * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 252405SN/A * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 262405SN/A * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 272665Ssaidi@eecs.umich.edu * 282665Ssaidi@eecs.umich.edu * Authors: Steve Reinhardt 292405SN/A */ 302405SN/A 312405SN/A/** 322982Sstever@eecs.umich.edu * @file 332982Sstever@eecs.umich.edu * Port object definitions. 342405SN/A */ 353918Ssaidi@eecs.umich.edu#include <cstring> 362405SN/A 372405SN/A#include "base/chunk_generator.hh" 382642Sstever@eecs.umich.edu#include "base/trace.hh" 394190Ssaidi@eecs.umich.edu#include "mem/mem_object.hh" 402405SN/A#include "mem/port.hh" 412405SN/A 425476Snate@binkert.orgclass DefaultPeerPort : public Port 435283Sgblack@eecs.umich.edu{ 445283Sgblack@eecs.umich.edu protected: 455283Sgblack@eecs.umich.edu void blowUp() 465283Sgblack@eecs.umich.edu { 475476Snate@binkert.org fatal("%s: Unconnected port!", peer->name()); 485283Sgblack@eecs.umich.edu } 495283Sgblack@eecs.umich.edu 505283Sgblack@eecs.umich.edu public: 515476Snate@binkert.org DefaultPeerPort() 525476Snate@binkert.org : Port("default_port") 535476Snate@binkert.org { } 545283Sgblack@eecs.umich.edu 555283Sgblack@eecs.umich.edu bool recvTiming(PacketPtr) 565283Sgblack@eecs.umich.edu { 575283Sgblack@eecs.umich.edu blowUp(); 585283Sgblack@eecs.umich.edu return false; 595283Sgblack@eecs.umich.edu } 605283Sgblack@eecs.umich.edu 615283Sgblack@eecs.umich.edu Tick recvAtomic(PacketPtr) 625283Sgblack@eecs.umich.edu { 635283Sgblack@eecs.umich.edu blowUp(); 645283Sgblack@eecs.umich.edu return 0; 655283Sgblack@eecs.umich.edu } 665283Sgblack@eecs.umich.edu 675283Sgblack@eecs.umich.edu void recvFunctional(PacketPtr) 685283Sgblack@eecs.umich.edu { 695283Sgblack@eecs.umich.edu blowUp(); 705283Sgblack@eecs.umich.edu } 715283Sgblack@eecs.umich.edu 725283Sgblack@eecs.umich.edu void recvStatusChange(Status) 735283Sgblack@eecs.umich.edu { 745283Sgblack@eecs.umich.edu blowUp(); 755283Sgblack@eecs.umich.edu } 765283Sgblack@eecs.umich.edu 775283Sgblack@eecs.umich.edu int deviceBlockSize() 785283Sgblack@eecs.umich.edu { 795283Sgblack@eecs.umich.edu blowUp(); 805283Sgblack@eecs.umich.edu return 0; 815283Sgblack@eecs.umich.edu } 825283Sgblack@eecs.umich.edu 835283Sgblack@eecs.umich.edu void getDeviceAddressRanges(AddrRangeList &, bool &) 845283Sgblack@eecs.umich.edu { 855283Sgblack@eecs.umich.edu blowUp(); 865283Sgblack@eecs.umich.edu } 875283Sgblack@eecs.umich.edu 885476Snate@binkert.org bool isDefaultPort() const { return true; } 895476Snate@binkert.org}; 905283Sgblack@eecs.umich.edu 915476Snate@binkert.orgDefaultPeerPort defaultPeerPort; 925283Sgblack@eecs.umich.edu 935476Snate@binkert.orgPort::Port() 945476Snate@binkert.org : peer(&defaultPeerPort), owner(NULL) 955283Sgblack@eecs.umich.edu{ 965283Sgblack@eecs.umich.edu} 975283Sgblack@eecs.umich.edu 985476Snate@binkert.orgPort::Port(const std::string &_name, MemObject *_owner) 995476Snate@binkert.org : portName(_name), peer(&defaultPeerPort), owner(_owner) 1005476Snate@binkert.org{ 1015476Snate@binkert.org} 1025476Snate@binkert.org 1035476Snate@binkert.orgPort::~Port() 1045283Sgblack@eecs.umich.edu{ 1055283Sgblack@eecs.umich.edu} 1065283Sgblack@eecs.umich.edu 1072405SN/Avoid 1082642Sstever@eecs.umich.eduPort::setPeer(Port *port) 1092642Sstever@eecs.umich.edu{ 1102642Sstever@eecs.umich.edu DPRINTF(Config, "setting peer to %s\n", port->name()); 1115476Snate@binkert.org 1122642Sstever@eecs.umich.edu peer = port; 1132642Sstever@eecs.umich.edu} 1142642Sstever@eecs.umich.edu 1152642Sstever@eecs.umich.eduvoid 1164190Ssaidi@eecs.umich.eduPort::removeConn() 1174190Ssaidi@eecs.umich.edu{ 1184190Ssaidi@eecs.umich.edu if (peer->getOwner()) 1194190Ssaidi@eecs.umich.edu peer->getOwner()->deletePortRefs(peer); 1204190Ssaidi@eecs.umich.edu peer = NULL; 1214190Ssaidi@eecs.umich.edu} 1224190Ssaidi@eecs.umich.edu 1234190Ssaidi@eecs.umich.eduvoid 1244022Sstever@eecs.umich.eduPort::blobHelper(Addr addr, uint8_t *p, int size, MemCmd cmd) 1252405SN/A{ 1262663Sstever@eecs.umich.edu Request req; 1272405SN/A 1282406SN/A for (ChunkGenerator gen(addr, size, peerBlockSize()); 1292406SN/A !gen.done(); gen.next()) { 1302663Sstever@eecs.umich.edu req.setPhys(gen.addr(), gen.size(), 0); 1314870Sstever@eecs.umich.edu Packet pkt(&req, cmd, Packet::Broadcast); 1322566SN/A pkt.dataStatic(p); 1332630SN/A sendFunctional(&pkt); 1342405SN/A p += gen.size(); 1352405SN/A } 1362405SN/A} 1372405SN/A 1382405SN/Avoid 1392461SN/APort::writeBlob(Addr addr, uint8_t *p, int size) 1402405SN/A{ 1414022Sstever@eecs.umich.edu blobHelper(addr, p, size, MemCmd::WriteReq); 1422405SN/A} 1432405SN/A 1442405SN/Avoid 1452461SN/APort::readBlob(Addr addr, uint8_t *p, int size) 1462405SN/A{ 1474022Sstever@eecs.umich.edu blobHelper(addr, p, size, MemCmd::ReadReq); 1482405SN/A} 1492405SN/A 1502420SN/Avoid 1512461SN/APort::memsetBlob(Addr addr, uint8_t val, int size) 1522420SN/A{ 1532420SN/A // quick and dirty... 1542420SN/A uint8_t *buf = new uint8_t[size]; 1552420SN/A 1563918Ssaidi@eecs.umich.edu std::memset(buf, val, size); 1574022Sstever@eecs.umich.edu blobHelper(addr, buf, size, MemCmd::WriteReq); 1582421SN/A 1592548SN/A delete [] buf; 1602420SN/A} 1615314Sstever@gmail.com 1625314Sstever@gmail.com 1635314Sstever@gmail.comvoid 1645314Sstever@gmail.comPort::printAddr(Addr a) 1655314Sstever@gmail.com{ 1665314Sstever@gmail.com Request req(a, 1, 0); 1675314Sstever@gmail.com Packet pkt(&req, MemCmd::PrintReq, Packet::Broadcast); 1685314Sstever@gmail.com Packet::PrintReqState prs(std::cerr); 1695314Sstever@gmail.com pkt.senderState = &prs; 1705314Sstever@gmail.com 1715314Sstever@gmail.com sendFunctional(&pkt); 1725314Sstever@gmail.com} 173