port_proxy.cc revision 12749 
1/*
2 * Copyright (c) 2012, 2018 ARM Limited
3 * All rights reserved
4 *
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.
13 *
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.
24 *
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.
36 *
37 * Authors: Andreas Hansson
38 */
39
40#include "mem/port_proxy.hh"
41
42#include "base/chunk_generator.hh"
43
44void
45PortProxy::readBlobPhys(Addr addr, Request::Flags flags,
46                        uint8_t *p, int size) const
47{
48    for (ChunkGenerator gen(addr, size, _cacheLineSize); !gen.done();
49         gen.next()) {
50
51        auto req = std::make_shared<Request>(
52            gen.addr(), gen.size(), flags, Request::funcMasterId);
53
54        Packet pkt(req, MemCmd::ReadReq);
55        pkt.dataStatic(p);
56        _port.sendFunctional(&pkt);
57        p += gen.size();
58    }
59}
60
61void
62PortProxy::writeBlobPhys(Addr addr, Request::Flags flags,
63                         const uint8_t *p, int size) const
64{
65    for (ChunkGenerator gen(addr, size, _cacheLineSize); !gen.done();
66         gen.next()) {
67
68        auto req = std::make_shared<Request>(
69            gen.addr(), gen.size(), flags, Request::funcMasterId);
70
71        Packet pkt(req, MemCmd::WriteReq);
72        pkt.dataStaticConst(p);
73        _port.sendFunctional(&pkt);
74        p += gen.size();
75    }
76}
77
78void
79PortProxy::memsetBlobPhys(Addr addr, Request::Flags flags,
80                          uint8_t v, int size) const
81{
82    // quick and dirty...
83    uint8_t *buf = new uint8_t[size];
84
85    std::memset(buf, v, size);
86    PortProxy::writeBlobPhys(addr, flags, buf, size);
87
88    delete [] buf;
89}
90
91
92void
93SecurePortProxy::readBlob(Addr addr, uint8_t *p, int size) const
94{
95    readBlobPhys(addr, Request::SECURE, p, size);
96}
97
98void
99SecurePortProxy::writeBlob(Addr addr, const uint8_t *p, int size) const
100{
101    writeBlobPhys(addr, Request::SECURE, p, size);
102}
103
104void
105SecurePortProxy::memsetBlob(Addr addr, uint8_t v, int size) const
106{
107    memsetBlobPhys(addr, Request::SECURE, v, size);
108}
109