port.cc revision 5283
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 425283Sgblack@eecs.umich.educlass defaultPeerPortClass: public Port 435283Sgblack@eecs.umich.edu{ 445283Sgblack@eecs.umich.edu protected: 455283Sgblack@eecs.umich.edu void blowUp() 465283Sgblack@eecs.umich.edu { 475283Sgblack@eecs.umich.edu fatal("Unconnected port!"); 485283Sgblack@eecs.umich.edu } 495283Sgblack@eecs.umich.edu 505283Sgblack@eecs.umich.edu public: 515283Sgblack@eecs.umich.edu defaultPeerPortClass() : Port("default_port") 525283Sgblack@eecs.umich.edu {} 535283Sgblack@eecs.umich.edu 545283Sgblack@eecs.umich.edu bool recvTiming(PacketPtr) 555283Sgblack@eecs.umich.edu { 565283Sgblack@eecs.umich.edu blowUp(); 575283Sgblack@eecs.umich.edu return false; 585283Sgblack@eecs.umich.edu } 595283Sgblack@eecs.umich.edu 605283Sgblack@eecs.umich.edu Tick recvAtomic(PacketPtr) 615283Sgblack@eecs.umich.edu { 625283Sgblack@eecs.umich.edu blowUp(); 635283Sgblack@eecs.umich.edu return 0; 645283Sgblack@eecs.umich.edu } 655283Sgblack@eecs.umich.edu 665283Sgblack@eecs.umich.edu void recvFunctional(PacketPtr) 675283Sgblack@eecs.umich.edu { 685283Sgblack@eecs.umich.edu blowUp(); 695283Sgblack@eecs.umich.edu } 705283Sgblack@eecs.umich.edu 715283Sgblack@eecs.umich.edu void recvStatusChange(Status) 725283Sgblack@eecs.umich.edu { 735283Sgblack@eecs.umich.edu blowUp(); 745283Sgblack@eecs.umich.edu } 755283Sgblack@eecs.umich.edu 765283Sgblack@eecs.umich.edu int deviceBlockSize() 775283Sgblack@eecs.umich.edu { 785283Sgblack@eecs.umich.edu blowUp(); 795283Sgblack@eecs.umich.edu return 0; 805283Sgblack@eecs.umich.edu } 815283Sgblack@eecs.umich.edu 825283Sgblack@eecs.umich.edu void getDeviceAddressRanges(AddrRangeList &, bool &) 835283Sgblack@eecs.umich.edu { 845283Sgblack@eecs.umich.edu blowUp(); 855283Sgblack@eecs.umich.edu } 865283Sgblack@eecs.umich.edu 875283Sgblack@eecs.umich.edu bool isDefaultPort() { return true; } 885283Sgblack@eecs.umich.edu 895283Sgblack@eecs.umich.edu} defaultPeerPort; 905283Sgblack@eecs.umich.edu 915283Sgblack@eecs.umich.eduPort::Port() : peer(&defaultPeerPort), owner(NULL) 925283Sgblack@eecs.umich.edu{ 935283Sgblack@eecs.umich.edu} 945283Sgblack@eecs.umich.edu 955283Sgblack@eecs.umich.eduPort::Port(const std::string &_name, MemObject *_owner) : 965283Sgblack@eecs.umich.edu portName(_name), peer(&defaultPeerPort), owner(_owner) 975283Sgblack@eecs.umich.edu{ 985283Sgblack@eecs.umich.edu} 995283Sgblack@eecs.umich.edu 1002405SN/Avoid 1012642Sstever@eecs.umich.eduPort::setPeer(Port *port) 1022642Sstever@eecs.umich.edu{ 1032642Sstever@eecs.umich.edu DPRINTF(Config, "setting peer to %s\n", port->name()); 1042642Sstever@eecs.umich.edu peer = port; 1052642Sstever@eecs.umich.edu} 1062642Sstever@eecs.umich.edu 1072642Sstever@eecs.umich.eduvoid 1084190Ssaidi@eecs.umich.eduPort::removeConn() 1094190Ssaidi@eecs.umich.edu{ 1104190Ssaidi@eecs.umich.edu if (peer->getOwner()) 1114190Ssaidi@eecs.umich.edu peer->getOwner()->deletePortRefs(peer); 1124190Ssaidi@eecs.umich.edu peer = NULL; 1134190Ssaidi@eecs.umich.edu} 1144190Ssaidi@eecs.umich.edu 1154190Ssaidi@eecs.umich.eduvoid 1164022Sstever@eecs.umich.eduPort::blobHelper(Addr addr, uint8_t *p, int size, MemCmd cmd) 1172405SN/A{ 1182663Sstever@eecs.umich.edu Request req; 1192405SN/A 1202406SN/A for (ChunkGenerator gen(addr, size, peerBlockSize()); 1212406SN/A !gen.done(); gen.next()) { 1222663Sstever@eecs.umich.edu req.setPhys(gen.addr(), gen.size(), 0); 1234870Sstever@eecs.umich.edu Packet pkt(&req, cmd, Packet::Broadcast); 1242566SN/A pkt.dataStatic(p); 1252630SN/A sendFunctional(&pkt); 1262405SN/A p += gen.size(); 1272405SN/A } 1282405SN/A} 1292405SN/A 1302405SN/Avoid 1312461SN/APort::writeBlob(Addr addr, uint8_t *p, int size) 1322405SN/A{ 1334022Sstever@eecs.umich.edu blobHelper(addr, p, size, MemCmd::WriteReq); 1342405SN/A} 1352405SN/A 1362405SN/Avoid 1372461SN/APort::readBlob(Addr addr, uint8_t *p, int size) 1382405SN/A{ 1394022Sstever@eecs.umich.edu blobHelper(addr, p, size, MemCmd::ReadReq); 1402405SN/A} 1412405SN/A 1422420SN/Avoid 1432461SN/APort::memsetBlob(Addr addr, uint8_t val, int size) 1442420SN/A{ 1452420SN/A // quick and dirty... 1462420SN/A uint8_t *buf = new uint8_t[size]; 1472420SN/A 1483918Ssaidi@eecs.umich.edu std::memset(buf, val, size); 1494022Sstever@eecs.umich.edu blobHelper(addr, buf, size, MemCmd::WriteReq); 1502421SN/A 1512548SN/A delete [] buf; 1522420SN/A} 153