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mem
cache
tags
indexing_policies
set_associative.hh
Go to the documentation of this file.
1
/*
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* Copyright (c) 2018 Inria
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* Copyright (c) 2012-2014,2017 ARM Limited
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* All rights reserved.
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*
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* The license below extends only to copyright in the software and shall
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* not be construed as granting a license to any other intellectual
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* property including but not limited to intellectual property relating
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* to a hardware implementation of the functionality of the software
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* licensed hereunder. You may use the software subject to the license
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* terms below provided that you ensure that this notice is replicated
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* unmodified and in its entirety in all distributions of the software,
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* modified or unmodified, in source code or in binary form.
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*
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* Copyright (c) 2003-2005,2014 The Regents of The University of Michigan
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met: redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer;
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* redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution;
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* neither the name of the copyright holders nor the names of its
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* contributors may be used to endorse or promote products derived from
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* this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
39
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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47
#ifndef __MEM_CACHE_INDEXING_POLICIES_SET_ASSOCIATIVE_HH__
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#define __MEM_CACHE_INDEXING_POLICIES_SET_ASSOCIATIVE_HH__
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#include <vector>
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#include "
mem/cache/tags/indexing_policies/base.hh
"
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#include "params/SetAssociative.hh"
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namespace
gem5
56
{
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58
class
ReplaceableEntry;
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82
class
SetAssociative
:
public
BaseIndexingPolicy
83
{
84
protected
:
91
virtual
uint32_t
extractSet
(
const
Addr
addr
)
const
;
92
93
public
:
97
typedef
SetAssociativeParams
Params
;
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102
SetAssociative
(
const
Params
&
p
);
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107
~SetAssociative
() {};
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118
std::vector<ReplaceableEntry*>
getPossibleEntries
(
const
Addr
addr
)
const
119
override
;
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128
Addr
regenerateAddr
(
const
Addr
tag,
const
ReplaceableEntry
* entry)
const
129
override
;
130
};
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132
}
// namespace gem5
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134
#endif //__MEM_CACHE_INDEXING_POLICIES_SET_ASSOCIATIVE_HH__
gem5::BaseIndexingPolicy
A common base class for indexing table locations.
Definition:
base.hh:66
gem5::BaseIndexingPolicy::Params
BaseIndexingPolicyParams Params
Convenience typedef.
Definition:
base.hh:103
gem5::SetAssociative::regenerateAddr
Addr regenerateAddr(const Addr tag, const ReplaceableEntry *entry) const override
Regenerate an entry's address from its tag and assigned set and way.
Definition:
set_associative.cc:66
std::vector
STL vector class.
Definition:
stl.hh:37
gem5::SetAssociative::extractSet
virtual uint32_t extractSet(const Addr addr) const
Apply a hash function to calculate address set.
Definition:
set_associative.cc:60
base.hh
gem5::SetAssociative::~SetAssociative
~SetAssociative()
Destructor.
Definition:
set_associative.hh:107
gem5::SetAssociative::Params
SetAssociativeParams Params
Convenience typedef.
Definition:
set_associative.hh:97
gem5::VegaISA::p
Bitfield< 54 > p
Definition:
pagetable.hh:70
gem5::SetAssociative::getPossibleEntries
std::vector< ReplaceableEntry * > getPossibleEntries(const Addr addr) const override
Find all possible entries for insertion and replacement of an address.
Definition:
set_associative.cc:73
gem5::Addr
uint64_t Addr
Address type This will probably be moved somewhere else in the near future.
Definition:
types.hh:147
gem5::ReplaceableEntry
A replaceable entry is a basic entry in a 2d table-like structure that needs to have replacement func...
Definition:
replaceable_entry.hh:62
gem5::SetAssociative::SetAssociative
SetAssociative(const Params &p)
Construct and initialize this policy.
Definition:
set_associative.cc:54
gem5
Reference material can be found at the JEDEC website: UFS standard http://www.jedec....
Definition:
gpu_translation_state.hh:37
gem5::SetAssociative
A set associative indexing policy.
Definition:
set_associative.hh:82
gem5::X86ISA::addr
Bitfield< 3 > addr
Definition:
types.hh:84
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