port.cc revision 4190
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 422405SN/Avoid 432642Sstever@eecs.umich.eduPort::setPeer(Port *port) 442642Sstever@eecs.umich.edu{ 452642Sstever@eecs.umich.edu DPRINTF(Config, "setting peer to %s\n", port->name()); 462642Sstever@eecs.umich.edu peer = port; 472642Sstever@eecs.umich.edu} 482642Sstever@eecs.umich.edu 492642Sstever@eecs.umich.eduvoid 504190Ssaidi@eecs.umich.eduPort::removeConn() 514190Ssaidi@eecs.umich.edu{ 524190Ssaidi@eecs.umich.edu if (peer->getOwner()) 534190Ssaidi@eecs.umich.edu peer->getOwner()->deletePortRefs(peer); 544190Ssaidi@eecs.umich.edu delete peer; 554190Ssaidi@eecs.umich.edu peer = NULL; 564190Ssaidi@eecs.umich.edu} 574190Ssaidi@eecs.umich.edu 584190Ssaidi@eecs.umich.eduvoid 594022Sstever@eecs.umich.eduPort::blobHelper(Addr addr, uint8_t *p, int size, MemCmd cmd) 602405SN/A{ 612663Sstever@eecs.umich.edu Request req; 622641Sstever@eecs.umich.edu Packet pkt(&req, cmd, Packet::Broadcast); 632405SN/A 642406SN/A for (ChunkGenerator gen(addr, size, peerBlockSize()); 652406SN/A !gen.done(); gen.next()) { 662663Sstever@eecs.umich.edu req.setPhys(gen.addr(), gen.size(), 0); 672641Sstever@eecs.umich.edu pkt.reinitFromRequest(); 682566SN/A pkt.dataStatic(p); 692630SN/A sendFunctional(&pkt); 702405SN/A p += gen.size(); 712405SN/A } 722405SN/A} 732405SN/A 742405SN/Avoid 752461SN/APort::writeBlob(Addr addr, uint8_t *p, int size) 762405SN/A{ 774022Sstever@eecs.umich.edu blobHelper(addr, p, size, MemCmd::WriteReq); 782405SN/A} 792405SN/A 802405SN/Avoid 812461SN/APort::readBlob(Addr addr, uint8_t *p, int size) 822405SN/A{ 834022Sstever@eecs.umich.edu blobHelper(addr, p, size, MemCmd::ReadReq); 842405SN/A} 852405SN/A 862420SN/Avoid 872461SN/APort::memsetBlob(Addr addr, uint8_t val, int size) 882420SN/A{ 892420SN/A // quick and dirty... 902420SN/A uint8_t *buf = new uint8_t[size]; 912420SN/A 923918Ssaidi@eecs.umich.edu std::memset(buf, val, size); 934022Sstever@eecs.umich.edu blobHelper(addr, buf, size, MemCmd::WriteReq); 942421SN/A 952548SN/A delete [] buf; 962420SN/A} 97