2 * Copyright (c) 2002-2005 The Regents of The University of Michigan
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14 * this software without specific prior written permission.
16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
17 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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19 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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21 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
22 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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26 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28 * Authors: Steve Reinhardt
33 * Port object definitions.
37 #include "base/chunk_generator.hh"
38 #include "base/trace.hh"
39 #include "mem/mem_object.hh"
40 #include "mem/port.hh"
42 class DefaultPeerPort
: public Port
47 fatal("%s: Unconnected port!", peer
->name());
52 : Port("default_port")
55 bool recvTiming(PacketPtr
)
61 Tick
recvAtomic(PacketPtr
)
67 void recvFunctional(PacketPtr
)
72 void recvStatusChange(Status
)
83 void getDeviceAddressRanges(AddrRangeList
&, bool &)
88 bool isDefaultPort() const { return true; }
91 DefaultPeerPort defaultPeerPort
;
94 : peer(&defaultPeerPort
), owner(NULL
)
98 Port::Port(const std::string
&_name
, MemObject
*_owner
)
99 : portName(_name
), peer(&defaultPeerPort
), owner(_owner
)
108 Port::setPeer(Port
*port
)
110 DPRINTF(Config
, "setting peer to %s\n", port
->name());
118 if (peer
->getOwner())
119 peer
->getOwner()->deletePortRefs(peer
);
124 Port::blobHelper(Addr addr
, uint8_t *p
, int size
, MemCmd cmd
)
128 for (ChunkGenerator
gen(addr
, size
, peerBlockSize());
129 !gen
.done(); gen
.next()) {
130 req
.setPhys(gen
.addr(), gen
.size(), 0);
131 Packet
pkt(&req
, cmd
, Packet::Broadcast
);
133 sendFunctional(&pkt
);
139 Port::writeBlob(Addr addr
, uint8_t *p
, int size
)
141 blobHelper(addr
, p
, size
, MemCmd::WriteReq
);
145 Port::readBlob(Addr addr
, uint8_t *p
, int size
)
147 blobHelper(addr
, p
, size
, MemCmd::ReadReq
);
151 Port::memsetBlob(Addr addr
, uint8_t val
, int size
)
153 // quick and dirty...
154 uint8_t *buf
= new uint8_t[size
];
156 std::memset(buf
, val
, size
);
157 blobHelper(addr
, buf
, size
, MemCmd::WriteReq
);
164 Port::printAddr(Addr a
)
166 Request
req(a
, 1, 0);
167 Packet
pkt(&req
, MemCmd::PrintReq
, Packet::Broadcast
);
168 Packet::PrintReqState
prs(std::cerr
);
169 pkt
.senderState
= &prs
;
171 sendFunctional(&pkt
);