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/*
* Copyright (c) 2002-2005 The Regents of The University of Michigan
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met: redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer;
* redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution;
* neither the name of the copyright holders nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* Authors: Steve Reinhardt
*/
/**
* @file
* Port object definitions.
*/
#include <cstring>
#include "base/chunk_generator.hh"
#include "base/trace.hh"
#include "mem/mem_object.hh"
#include "mem/port.hh"
void
Port::setPeer(Port *port)
{
DPRINTF(Config, "setting peer to %s\n", port->name());
peer = port;
}
void
Port::removeConn()
{
if (peer->getOwner())
peer->getOwner()->deletePortRefs(peer);
peer = NULL;
}
void
Port::blobHelper(Addr addr, uint8_t *p, int size, MemCmd cmd)
{
Request req;
Packet pkt(&req, cmd, Packet::Broadcast);
for (ChunkGenerator gen(addr, size, peerBlockSize());
!gen.done(); gen.next()) {
req.setPhys(gen.addr(), gen.size(), 0);
pkt.reinitFromRequest();
pkt.dataStatic(p);
sendFunctional(&pkt);
p += gen.size();
}
}
void
Port::writeBlob(Addr addr, uint8_t *p, int size)
{
blobHelper(addr, p, size, MemCmd::WriteReq);
}
void
Port::readBlob(Addr addr, uint8_t *p, int size)
{
blobHelper(addr, p, size, MemCmd::ReadReq);
}
void
Port::memsetBlob(Addr addr, uint8_t val, int size)
{
// quick and dirty...
uint8_t *buf = new uint8_t[size];
std::memset(buf, val, size);
blobHelper(addr, buf, size, MemCmd::WriteReq);
delete [] buf;
}
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