2 * Copyright (c) 2012, 2018 ARM Limited
5 * The license below extends only to copyright in the software and shall
6 * not be construed as granting a license to any other intellectual
7 * property including but not limited to intellectual property relating
8 * to a hardware implementation of the functionality of the software
9 * licensed hereunder. You may use the software subject to the license
10 * terms below provided that you ensure that this notice is replicated
11 * unmodified and in its entirety in all distributions of the software,
12 * modified or unmodified, in source code or in binary form.
14 * Redistribution and use in source and binary forms, with or without
15 * modification, are permitted provided that the following conditions are
16 * met: redistributions of source code must retain the above copyright
17 * notice, this list of conditions and the following disclaimer;
18 * redistributions in binary form must reproduce the above copyright
19 * notice, this list of conditions and the following disclaimer in the
20 * documentation and/or other materials provided with the distribution;
21 * neither the name of the copyright holders nor the names of its
22 * contributors may be used to endorse or promote products derived from
23 * this software without specific prior written permission.
25 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
26 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
27 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
28 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
29 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
30 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
31 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
32 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
33 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
34 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
35 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
38 #include "mem/port_proxy.hh"
40 #include "base/chunk_generator.hh"
43 PortProxy::readBlobPhys(Addr addr
, Request::Flags flags
,
44 void *p
, int size
) const
46 for (ChunkGenerator
gen(addr
, size
, _cacheLineSize
); !gen
.done();
49 auto req
= std::make_shared
<Request
>(
50 gen
.addr(), gen
.size(), flags
, Request::funcRequestorId
);
52 Packet
pkt(req
, MemCmd::ReadReq
);
53 pkt
.dataStatic(static_cast<uint8_t *>(p
));
55 p
= static_cast<uint8_t *>(p
) + gen
.size();
60 PortProxy::writeBlobPhys(Addr addr
, Request::Flags flags
,
61 const void *p
, int size
) const
63 for (ChunkGenerator
gen(addr
, size
, _cacheLineSize
); !gen
.done();
66 auto req
= std::make_shared
<Request
>(
67 gen
.addr(), gen
.size(), flags
, Request::funcRequestorId
);
69 Packet
pkt(req
, MemCmd::WriteReq
);
70 pkt
.dataStaticConst(static_cast<const uint8_t *>(p
));
72 p
= static_cast<const uint8_t *>(p
) + gen
.size();
77 PortProxy::memsetBlobPhys(Addr addr
, Request::Flags flags
,
78 uint8_t v
, int size
) const
81 uint8_t *buf
= new uint8_t[size
];
83 std::memset(buf
, v
, size
);
84 PortProxy::writeBlobPhys(addr
, flags
, buf
, size
);
90 PortProxy::tryWriteString(Addr addr
, const char *str
) const
93 if (!tryWriteBlob(addr
++, str
, 1))
100 PortProxy::tryReadString(std::string
&str
, Addr addr
) const
104 if (!tryReadBlob(addr
++, &c
, 1))
113 PortProxy::tryReadString(char *str
, Addr addr
, size_t maxlen
) const
117 if (!tryReadBlob(addr
++, str
, 1))
122 // We ran out of room, so back up and add a terminator.