port.cc revision 2642
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. 272405SN/A */ 282405SN/A 292405SN/A/** 302405SN/A * @file Port object definitions. 312405SN/A */ 322405SN/A 332405SN/A#include "base/chunk_generator.hh" 342642Sstever@eecs.umich.edu#include "base/trace.hh" 352623SN/A#include "mem/packet_impl.hh" 362405SN/A#include "mem/port.hh" 372405SN/A 382405SN/Avoid 392642Sstever@eecs.umich.eduPort::setPeer(Port *port) 402642Sstever@eecs.umich.edu{ 412642Sstever@eecs.umich.edu DPRINTF(Config, "setting peer to %s\n", port->name()); 422642Sstever@eecs.umich.edu peer = port; 432642Sstever@eecs.umich.edu} 442642Sstever@eecs.umich.edu 452642Sstever@eecs.umich.eduvoid 462641Sstever@eecs.umich.eduPort::blobHelper(Addr addr, uint8_t *p, int size, Packet::Command cmd) 472405SN/A{ 482532SN/A Request req(false); 492641Sstever@eecs.umich.edu Packet pkt(&req, cmd, Packet::Broadcast); 502405SN/A 512406SN/A for (ChunkGenerator gen(addr, size, peerBlockSize()); 522406SN/A !gen.done(); gen.next()) { 532641Sstever@eecs.umich.edu req.setPaddr(gen.addr()); 542641Sstever@eecs.umich.edu req.setSize(gen.size()); 552641Sstever@eecs.umich.edu pkt.reinitFromRequest(); 562566SN/A pkt.dataStatic(p); 572630SN/A sendFunctional(&pkt); 582405SN/A p += gen.size(); 592405SN/A } 602405SN/A} 612405SN/A 622405SN/Avoid 632461SN/APort::writeBlob(Addr addr, uint8_t *p, int size) 642405SN/A{ 652641Sstever@eecs.umich.edu blobHelper(addr, p, size, Packet::WriteReq); 662405SN/A} 672405SN/A 682405SN/Avoid 692461SN/APort::readBlob(Addr addr, uint8_t *p, int size) 702405SN/A{ 712641Sstever@eecs.umich.edu blobHelper(addr, p, size, Packet::ReadReq); 722405SN/A} 732405SN/A 742420SN/Avoid 752461SN/APort::memsetBlob(Addr addr, uint8_t val, int size) 762420SN/A{ 772420SN/A // quick and dirty... 782420SN/A uint8_t *buf = new uint8_t[size]; 792420SN/A 802420SN/A memset(buf, val, size); 812641Sstever@eecs.umich.edu blobHelper(addr, buf, size, Packet::WriteReq); 822421SN/A 832548SN/A delete [] buf; 842420SN/A} 85