gem5 v24.0.0.0
Loading...
Searching...
No Matches
memory_image.cc
Go to the documentation of this file.
1/*
2 * Copyright (c) 2002-2004 The Regents of The University of Michigan
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are
7 * met: redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer;
9 * redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution;
12 * neither the name of the copyright holders nor the names of its
13 * contributors may be used to endorse or promote products derived from
14 * this software without specific prior written permission.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
17 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
18 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
19 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
20 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
26 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 */
28
30#include "mem/port_proxy.hh"
31
32namespace gem5
33{
34
35namespace loader
36{
37
38bool
40{
41 if (seg.size != 0) {
42 if (seg.data) {
43 proxy.writeBlob(seg.base, seg.data, seg.size);
44 } else {
45 // no image: must be bss
46 proxy.memsetBlob(seg.base, 0, seg.size);
47 }
48 }
49 return true;
50}
51
52bool
53MemoryImage::write(const PortProxy &proxy) const
54{
55 for (auto &seg: _segments)
56 if (!writeSegment(seg, proxy))
57 return false;
58 return true;
59}
60
62MemoryImage::move(std::function<Addr(Addr)> mapper)
63{
64 for (auto &seg: _segments)
65 seg.base = mapper(seg.base);
66 return *this;
67}
68
69} // namespace loader
70} // namespace gem5
This object is a proxy for a port or other object which implements the functional response protocol,...
Definition port_proxy.hh:87
void writeBlob(Addr addr, const void *p, uint64_t size) const
Same as tryWriteBlob, but insists on success.
void memsetBlob(Addr addr, uint8_t v, uint64_t size) const
Same as tryMemsetBlob, but insists on success.
std::vector< Segment > _segments
bool write(const PortProxy &proxy) const
bool writeSegment(const Segment &seg, const PortProxy &proxy) const
MemoryImage & move(std::function< Addr(Addr)> mapper)
Bitfield< 2, 0 > seg
Definition types.hh:87
Copyright (c) 2024 - Pranith Kumar Copyright (c) 2020 Inria All rights reserved.
Definition binary32.hh:36
uint64_t Addr
Address type This will probably be moved somewhere else in the near future.
Definition types.hh:147
PortProxy Object Declaration.

Generated on Tue Jun 18 2024 16:24:00 for gem5 by doxygen 1.11.0