gem5/mem/port.cc

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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.
*/
/**
* @file Port object definitions.
*/
#include "base/chunk_generator.hh"
#include "mem/port.hh"
void
Port::blobHelper(Addr addr, uint8_t *p, int size, Command cmd)
{
Request rqst;
Packet pkt;
pkt.req = &rqst;
pkt.cmd = cmd;
for (ChunkGenerator gen(addr, size, peerBlockSize());
!gen.done(); gen.next()) {
pkt.addr = rqst.paddr = gen.addr();
pkt.size = rqst.size = gen.size();
pkt.data = p;
sendFunctional(pkt);
p += gen.size();
}
}
void
Port::writeBlobFunctional(Addr addr, uint8_t *p, int size)
{
blobHelper(addr, p, size, Write);
}
void
Port::readBlobFunctional(Addr addr, uint8_t *p, int size)
{
blobHelper(addr, p, size, Read);
}