gem5  [DEVELOP-FOR-23.0]
All Classes Namespaces Files Functions Variables Typedefs Enumerations Enumerator Friends Macros Modules Pages
multi.hh
Go to the documentation of this file.
1 /*
2  * Copyright (c) 2014, 2019 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 
38 #ifndef __MEM_CACHE_PREFETCH_MULTI_HH__
39 #define __MEM_CACHE_PREFETCH_MULTI_HH__
40 
41 #include <vector>
42 
44 
45 namespace gem5
46 {
47 
48 struct MultiPrefetcherParams;
49 
50 namespace prefetch
51 {
52 
53 class Multi : public Base
54 {
55  public: // SimObject
56  Multi(const MultiPrefetcherParams &p);
57 
58  public:
59  void setCache(BaseCache *_cache) override;
60  PacketPtr getPacket() override;
61  Tick nextPrefetchReadyTime() const override;
62 
68  void notify(const PacketPtr &pkt, const PrefetchInfo &pfi) override {};
69  void notifyFill(const PacketPtr &pkt) override {};
72  protected:
75  uint8_t lastChosenPf;
76 };
77 
78 } // namespace prefetch
79 } // namespace gem5
80 
81 #endif //__MEM_CACHE_PREFETCH_MULTI_HH__
gem5::prefetch::Multi::notifyFill
void notifyFill(const PacketPtr &pkt) override
Notify prefetcher of cache fill.
Definition: multi.hh:69
gem5::prefetch::Multi::notify
void notify(const PacketPtr &pkt, const PrefetchInfo &pfi) override
Ignore notifications since each sub-prefetcher already gets a notification through their probes-based...
Definition: multi.hh:68
std::vector
STL vector class.
Definition: stl.hh:37
gem5::prefetch::Multi::prefetchers
std::vector< Base * > prefetchers
List of sub-prefetchers ordered by priority.
Definition: multi.hh:69
base.hh
gem5::VegaISA::p
Bitfield< 54 > p
Definition: pagetable.hh:70
gem5::BaseCache
A basic cache interface.
Definition: base.hh:94
gem5::Packet
A Packet is used to encapsulate a transfer between two objects in the memory system (e....
Definition: packet.hh:294
gem5::Tick
uint64_t Tick
Tick count type.
Definition: types.hh:58
gem5::prefetch::Multi::lastChosenPf
uint8_t lastChosenPf
Definition: multi.hh:75
gem5::prefetch::Multi
Definition: multi.hh:53
gem5::prefetch::Multi::setCache
void setCache(BaseCache *_cache) override
Definition: multi.cc:56
gem5::prefetch::Multi::Multi
Multi(const MultiPrefetcherParams &p)
Definition: multi.cc:48
gem5::prefetch::Multi::nextPrefetchReadyTime
Tick nextPrefetchReadyTime() const override
Definition: multi.cc:63
gem5
Reference material can be found at the JEDEC website: UFS standard http://www.jedec....
Definition: gpu_translation_state.hh:37
gem5::prefetch::Base
Definition: base.hh:71
gem5::prefetch::Multi::getPacket
PacketPtr getPacket() override
Definition: multi.cc:74
gem5::prefetch::Base::PrefetchInfo
Class containing the information needed by the prefetch to train and generate new prefetch requests.
Definition: base.hh:96

Generated on Sun Jul 30 2023 01:56:57 for gem5 by doxygen 1.8.17