2 * Copyright (c) 2002-2005 The Regents of The University of Michigan
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16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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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 "debug/Config.hh"
40 #include "mem/mem_object.hh"
41 #include "mem/port.hh"
43 class DefaultPeerPort
: public Port
48 fatal("%s: Unconnected port!", peer
->name());
53 : Port("default_port", NULL
)
56 bool recvTiming(PacketPtr
)
62 Tick
recvAtomic(PacketPtr
)
68 void recvFunctional(PacketPtr
)
73 void recvStatusChange(Status
)
79 deviceBlockSize() const
85 void getDeviceAddressRanges(AddrRangeList
&, bool &)
90 bool isDefaultPort() const { return true; }
93 DefaultPeerPort defaultPeerPort
;
95 Port::Port(const std::string
&_name
, MemObject
*_owner
)
96 : EventManager(_owner
), portName(_name
), peer(&defaultPeerPort
),
106 Port::setPeer(Port
*port
)
108 DPRINTF(Config
, "setting peer to %s\n", port
->name());
114 Port::setOwner(MemObject
*_owner
)
116 eventq
= _owner
->queue();
123 if (peer
->getOwner())
124 peer
->getOwner()->deletePortRefs(peer
);
129 Port::blobHelper(Addr addr
, uint8_t *p
, int size
, MemCmd cmd
)
133 for (ChunkGenerator
gen(addr
, size
, peerBlockSize());
134 !gen
.done(); gen
.next()) {
135 req
.setPhys(gen
.addr(), gen
.size(), 0);
136 Packet
pkt(&req
, cmd
, Packet::Broadcast
);
138 sendFunctional(&pkt
);
144 Port::writeBlob(Addr addr
, uint8_t *p
, int size
)
146 blobHelper(addr
, p
, size
, MemCmd::WriteReq
);
150 Port::readBlob(Addr addr
, uint8_t *p
, int size
)
152 blobHelper(addr
, p
, size
, MemCmd::ReadReq
);
156 Port::memsetBlob(Addr addr
, uint8_t val
, int size
)
158 // quick and dirty...
159 uint8_t *buf
= new uint8_t[size
];
161 std::memset(buf
, val
, size
);
162 blobHelper(addr
, buf
, size
, MemCmd::WriteReq
);
169 Port::printAddr(Addr a
)
171 Request
req(a
, 1, 0);
172 Packet
pkt(&req
, MemCmd::PrintReq
, Packet::Broadcast
);
173 Packet::PrintReqState
prs(std::cerr
);
174 pkt
.senderState
= &prs
;
176 sendFunctional(&pkt
);