port.cc revision 2642:c162e0359b49
12023SN/A/*
25268Sksewell@umich.edu * Copyright (c) 2002-2005 The Regents of The University of Michigan
35254Sksewell@umich.edu * All rights reserved.
45254Sksewell@umich.edu *
52023SN/A * Redistribution and use in source and binary forms, with or without
65254Sksewell@umich.edu * modification, are permitted provided that the following conditions are
75254Sksewell@umich.edu * met: redistributions of source code must retain the above copyright
85254Sksewell@umich.edu * notice, this list of conditions and the following disclaimer;
95254Sksewell@umich.edu * redistributions in binary form must reproduce the above copyright
105254Sksewell@umich.edu * notice, this list of conditions and the following disclaimer in the
115254Sksewell@umich.edu * documentation and/or other materials provided with the distribution;
125254Sksewell@umich.edu * neither the name of the copyright holders nor the names of its
135254Sksewell@umich.edu * contributors may be used to endorse or promote products derived from
145254Sksewell@umich.edu * this software without specific prior written permission.
155254Sksewell@umich.edu *
162023SN/A * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
175254Sksewell@umich.edu * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
185254Sksewell@umich.edu * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
195254Sksewell@umich.edu * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
205254Sksewell@umich.edu * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
215254Sksewell@umich.edu * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
225254Sksewell@umich.edu * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
235254Sksewell@umich.edu * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
245254Sksewell@umich.edu * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
255254Sksewell@umich.edu * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
265254Sksewell@umich.edu * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
275254Sksewell@umich.edu */
282665Ssaidi@eecs.umich.edu
295254Sksewell@umich.edu/**
305254Sksewell@umich.edu * @file Port object definitions.
315222Sksewell@umich.edu */
322023SN/A
332023SN/A#include "base/chunk_generator.hh"
342028SN/A#include "base/trace.hh"
352028SN/A#include "mem/packet_impl.hh"
362023SN/A#include "mem/port.hh"
378229Snate@binkert.org
382597SN/Avoid
396216Snate@binkert.orgPort::setPeer(Port *port)
405222Sksewell@umich.edu{
418542Sgblack@eecs.umich.edu    DPRINTF(Config, "setting peer to %s\n", port->name());
422023SN/A    peer = port;
437811Ssteve.reinhardt@amd.com}
442239SN/A
452131SN/Avoid
462023SN/APort::blobHelper(Addr addr, uint8_t *p, int size, Packet::Command cmd)
472525SN/A{
486378Sgblack@eecs.umich.edu    Request req(false);
492023SN/A    Packet pkt(&req, cmd, Packet::Broadcast);
506378Sgblack@eecs.umich.edu
513093Sksewell@umich.edu    for (ChunkGenerator gen(addr, size, peerBlockSize());
526378Sgblack@eecs.umich.edu         !gen.done(); gen.next()) {
536378Sgblack@eecs.umich.edu        req.setPaddr(gen.addr());
542239SN/A        req.setSize(gen.size());
556378Sgblack@eecs.umich.edu        pkt.reinitFromRequest();
566378Sgblack@eecs.umich.edu        pkt.dataStatic(p);
576378Sgblack@eecs.umich.edu        sendFunctional(&pkt);
586378Sgblack@eecs.umich.edu        p += gen.size();
595222Sksewell@umich.edu    }
605222Sksewell@umich.edu}
616378Sgblack@eecs.umich.edu
626378Sgblack@eecs.umich.eduvoid
636378Sgblack@eecs.umich.eduPort::writeBlob(Addr addr, uint8_t *p, int size)
646378Sgblack@eecs.umich.edu{
655222Sksewell@umich.edu    blobHelper(addr, p, size, Packet::WriteReq);
666378Sgblack@eecs.umich.edu}
676378Sgblack@eecs.umich.edu
686378Sgblack@eecs.umich.eduvoid
696378Sgblack@eecs.umich.eduPort::readBlob(Addr addr, uint8_t *p, int size)
705222Sksewell@umich.edu{
716378Sgblack@eecs.umich.edu    blobHelper(addr, p, size, Packet::ReadReq);
726378Sgblack@eecs.umich.edu}
736378Sgblack@eecs.umich.edu
746378Sgblack@eecs.umich.eduvoid
756378Sgblack@eecs.umich.eduPort::memsetBlob(Addr addr, uint8_t val, int size)
766378Sgblack@eecs.umich.edu{
775222Sksewell@umich.edu    // quick and dirty...
786378Sgblack@eecs.umich.edu    uint8_t *buf = new uint8_t[size];
796378Sgblack@eecs.umich.edu
806378Sgblack@eecs.umich.edu    memset(buf, val, size);
816378Sgblack@eecs.umich.edu    blobHelper(addr, buf, size, Packet::WriteReq);
825222Sksewell@umich.edu
836378Sgblack@eecs.umich.edu    delete [] buf;
846378Sgblack@eecs.umich.edu}
856378Sgblack@eecs.umich.edu