ReplacementPolicies.py revision 12627 
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27# Authors: Daniel Carvalho
28
29from m5.params import *
30from m5.proxy import *
31from m5.SimObject import SimObject
32
33class BaseReplacementPolicy(SimObject):
34    type = 'BaseReplacementPolicy'
35    abstract = True
36    cxx_header = "mem/cache/replacement_policies/base.hh"
37
38class FIFORP(BaseReplacementPolicy):
39    type = 'FIFORP'
40    cxx_class = 'FIFORP'
41    cxx_header = "mem/cache/replacement_policies/fifo_rp.hh"
42
43class LRURP(BaseReplacementPolicy):
44    type = 'LRURP'
45    cxx_class = 'LRURP'
46    cxx_header = "mem/cache/replacement_policies/lru_rp.hh"
47
48class MRURP(BaseReplacementPolicy):
49    type = 'MRURP'
50    cxx_class = 'MRURP'
51    cxx_header = "mem/cache/replacement_policies/mru_rp.hh"
52
53class RandomRP(BaseReplacementPolicy):
54    type = 'RandomRP'
55    cxx_class = 'RandomRP'
56    cxx_header = "mem/cache/replacement_policies/random_rp.hh"
57
58class BRRIPRP(BaseReplacementPolicy):
59    type = 'BRRIPRP'
60    cxx_class = 'BRRIPRP'
61    cxx_header = "mem/cache/replacement_policies/brrip_rp.hh"
62    max_RRPV = Param.Unsigned(3, "Maximum RRPV possible")
63    hit_priority = Param.Bool(False,
64        "Prioritize evicting blocks that havent had a hit recently")
65    btp = Param.Percent(3,
66        "Percentage of blocks to be inserted with long RRPV")
67
68class RRIPRP(BRRIPRP):
69    btp = 0
70