port.cc revision 2982
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 */ 352405SN/A 362405SN/A#include "base/chunk_generator.hh" 372642Sstever@eecs.umich.edu#include "base/trace.hh" 382623SN/A#include "mem/packet_impl.hh" 392405SN/A#include "mem/port.hh" 402405SN/A 412405SN/Avoid 422642Sstever@eecs.umich.eduPort::setPeer(Port *port) 432642Sstever@eecs.umich.edu{ 442642Sstever@eecs.umich.edu DPRINTF(Config, "setting peer to %s\n", port->name()); 452642Sstever@eecs.umich.edu peer = port; 462642Sstever@eecs.umich.edu} 472642Sstever@eecs.umich.edu 482642Sstever@eecs.umich.eduvoid 492641Sstever@eecs.umich.eduPort::blobHelper(Addr addr, uint8_t *p, int size, Packet::Command cmd) 502405SN/A{ 512663Sstever@eecs.umich.edu Request req; 522641Sstever@eecs.umich.edu Packet pkt(&req, cmd, Packet::Broadcast); 532405SN/A 542406SN/A for (ChunkGenerator gen(addr, size, peerBlockSize()); 552406SN/A !gen.done(); gen.next()) { 562663Sstever@eecs.umich.edu req.setPhys(gen.addr(), gen.size(), 0); 572641Sstever@eecs.umich.edu pkt.reinitFromRequest(); 582566SN/A pkt.dataStatic(p); 592630SN/A sendFunctional(&pkt); 602405SN/A p += gen.size(); 612405SN/A } 622405SN/A} 632405SN/A 642405SN/Avoid 652461SN/APort::writeBlob(Addr addr, uint8_t *p, int size) 662405SN/A{ 672641Sstever@eecs.umich.edu blobHelper(addr, p, size, Packet::WriteReq); 682405SN/A} 692405SN/A 702405SN/Avoid 712461SN/APort::readBlob(Addr addr, uint8_t *p, int size) 722405SN/A{ 732641Sstever@eecs.umich.edu blobHelper(addr, p, size, Packet::ReadReq); 742405SN/A} 752405SN/A 762420SN/Avoid 772461SN/APort::memsetBlob(Addr addr, uint8_t val, int size) 782420SN/A{ 792420SN/A // quick and dirty... 802420SN/A uint8_t *buf = new uint8_t[size]; 812420SN/A 822420SN/A memset(buf, val, size); 832641Sstever@eecs.umich.edu blobHelper(addr, buf, size, Packet::WriteReq); 842421SN/A 852548SN/A delete [] buf; 862420SN/A} 87