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
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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", NULL
)
55 bool recvTiming(PacketPtr
)
61 Tick
recvAtomic(PacketPtr
)
67 void recvFunctional(PacketPtr
)
72 void recvStatusChange(Status
)
78 deviceBlockSize() const
84 void getDeviceAddressRanges(AddrRangeList
&, bool &)
89 bool isDefaultPort() const { return true; }
92 DefaultPeerPort defaultPeerPort
;
94 Port::Port(const std::string
&_name
, MemObject
*_owner
)
95 : EventManager(_owner
), portName(_name
), peer(&defaultPeerPort
),
105 Port::setPeer(Port
*port
)
107 DPRINTF(Config
, "setting peer to %s\n", port
->name());
113 Port::setOwner(MemObject
*_owner
)
115 eventq
= _owner
->queue();
122 if (peer
->getOwner())
123 peer
->getOwner()->deletePortRefs(peer
);
128 Port::blobHelper(Addr addr
, uint8_t *p
, int size
, MemCmd cmd
)
132 for (ChunkGenerator
gen(addr
, size
, peerBlockSize());
133 !gen
.done(); gen
.next()) {
134 req
.setPhys(gen
.addr(), gen
.size(), 0);
135 Packet
pkt(&req
, cmd
, Packet::Broadcast
);
137 sendFunctional(&pkt
);
143 Port::writeBlob(Addr addr
, uint8_t *p
, int size
)
145 blobHelper(addr
, p
, size
, MemCmd::WriteReq
);
149 Port::readBlob(Addr addr
, uint8_t *p
, int size
)
151 blobHelper(addr
, p
, size
, MemCmd::ReadReq
);
155 Port::memsetBlob(Addr addr
, uint8_t val
, int size
)
157 // quick and dirty...
158 uint8_t *buf
= new uint8_t[size
];
160 std::memset(buf
, val
, size
);
161 blobHelper(addr
, buf
, size
, MemCmd::WriteReq
);
168 Port::printAddr(Addr a
)
170 Request
req(a
, 1, 0);
171 Packet
pkt(&req
, MemCmd::PrintReq
, Packet::Broadcast
);
172 Packet::PrintReqState
prs(std::cerr
);
173 pkt
.senderState
= &prs
;
175 sendFunctional(&pkt
);