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Diffstat (limited to 'src/mem/port.cc')
-rw-r--r-- | src/mem/port.cc | 84 |
1 files changed, 84 insertions, 0 deletions
diff --git a/src/mem/port.cc b/src/mem/port.cc new file mode 100644 index 000000000..651cb739a --- /dev/null +++ b/src/mem/port.cc @@ -0,0 +1,84 @@ +/* + * 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 "base/trace.hh" +#include "mem/packet_impl.hh" +#include "mem/port.hh" + +void +Port::setPeer(Port *port) +{ + DPRINTF(Config, "setting peer to %s\n", port->name()); + peer = port; +} + +void +Port::blobHelper(Addr addr, uint8_t *p, int size, Packet::Command cmd) +{ + Request req(false); + Packet pkt(&req, cmd, Packet::Broadcast); + + for (ChunkGenerator gen(addr, size, peerBlockSize()); + !gen.done(); gen.next()) { + req.setPaddr(gen.addr()); + req.setSize(gen.size()); + pkt.reinitFromRequest(); + pkt.dataStatic(p); + sendFunctional(&pkt); + p += gen.size(); + } +} + +void +Port::writeBlob(Addr addr, uint8_t *p, int size) +{ + blobHelper(addr, p, size, Packet::WriteReq); +} + +void +Port::readBlob(Addr addr, uint8_t *p, int size) +{ + blobHelper(addr, p, size, Packet::ReadReq); +} + +void +Port::memsetBlob(Addr addr, uint8_t val, int size) +{ + // quick and dirty... + uint8_t *buf = new uint8_t[size]; + + memset(buf, val, size); + blobHelper(addr, buf, size, Packet::WriteReq); + + delete [] buf; +} |