gem5
v21.0.1.0
mem
cache
compressors
encoders
base.hh
Go to the documentation of this file.
1
/*
2
* Copyright (c) 2019, 2020 Inria
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
29
#ifndef __MEM_CACHE_COMPRESSORS_ENCODERS_BASE_HH__
30
#define __MEM_CACHE_COMPRESSORS_ENCODERS_BASE_HH__
31
32
#include <cstdint>
33
34
namespace
Compressor
{
35
namespace
Encoder {
36
37
struct
Code
38
{
40
uint64_t
code
;
42
unsigned
length
;
43
};
44
50
class
Base
51
{
52
public
:
53
Base
() {}
54
virtual
~Base
() =
default
;
55
64
virtual
Code
encode
(
const
uint64_t
val
)
const
= 0;
65
73
virtual
uint64_t
decode
(
const
uint64_t code)
const
= 0;
74
};
75
76
}
// namespace Encoder
77
}
// namespace Compressor
78
79
#endif //__MEM_CACHE_COMPRESSORS_ENCODERS_BASE_HH__
Compressor
Definition:
base.cc:47
Compressor::Encoder::Code::code
uint64_t code
Only the LSB of the code are relevant.
Definition:
base.hh:40
Compressor::Encoder::Base::~Base
virtual ~Base()=default
Compressor::Encoder::Base::decode
virtual uint64_t decode(const uint64_t code) const =0
Decode a value.
Compressor::Encoder::Code
Definition:
base.hh:37
X86ISA::val
Bitfield< 63 > val
Definition:
misc.hh:769
Compressor::Encoder::Base::encode
virtual Code encode(const uint64_t val) const =0
The function responsible for the generation of the alternative value.
Compressor::Encoder::Code::length
unsigned length
Number of bits in the code.
Definition:
base.hh:42
Compressor::Encoder::Base
Base class for encoders.
Definition:
base.hh:50
Compressor::Encoder::Base::Base
Base()
Definition:
base.hh:53
Generated on Tue Jun 22 2021 15:28:25 for gem5 by
doxygen
1.8.17