1from m5.SimObject import SimObject
| 1# Copyright (c) 2012 ARM Limited
2# All rights reserved.
3#
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8# licensed hereunder. You may use the software subject to the license
9# terms below provided that you ensure that this notice is replicated
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11# modified or unmodified, in source code or in binary form.
12#
13# Copyright (c) 2005 The Regents of The University of Michigan
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18# met: redistributions of source code must retain the above copyright
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38#
39# Authors: Ron Dreslinski
40
41from ClockedObject import ClockedObject
|
2from m5.params import *
3from m5.proxy import *
4
| 42from m5.params import *
43from m5.proxy import *
44
|
5class BasePrefetcher(SimObject):
| 45class BasePrefetcher(ClockedObject):
|
6 type = 'BasePrefetcher'
7 abstract = True
8 size = Param.Int(100,
9 "Number of entries in the hardware prefetch queue")
10 cross_pages = Param.Bool(False,
11 "Allow prefetches to cross virtual page boundaries")
12 serial_squash = Param.Bool(False,
13 "Squash prefetches with a later time on a subsequent miss")
14 degree = Param.Int(1,
15 "Degree of the prefetch depth")
| 46 type = 'BasePrefetcher'
47 abstract = True
48 size = Param.Int(100,
49 "Number of entries in the hardware prefetch queue")
50 cross_pages = Param.Bool(False,
51 "Allow prefetches to cross virtual page boundaries")
52 serial_squash = Param.Bool(False,
53 "Squash prefetches with a later time on a subsequent miss")
54 degree = Param.Int(1,
55 "Degree of the prefetch depth")
|
16 latency = Param.Latency('10t',
17 "Latency of the prefetcher")
| 56 latency = Param.Cycles('1', "Latency of the prefetcher")
|
18 use_master_id = Param.Bool(True,
19 "Use the master id to separate calculations of prefetches")
20 data_accesses_only = Param.Bool(False,
21 "Only prefetch on data not on instruction accesses")
22 sys = Param.System(Parent.any, "System this device belongs to")
23
24class GHBPrefetcher(BasePrefetcher):
25 type = 'GHBPrefetcher'
--- 13 unchanged lines hidden --- | 57 use_master_id = Param.Bool(True,
58 "Use the master id to separate calculations of prefetches")
59 data_accesses_only = Param.Bool(False,
60 "Only prefetch on data not on instruction accesses")
61 sys = Param.System(Parent.any, "System this device belongs to")
62
63class GHBPrefetcher(BasePrefetcher):
64 type = 'GHBPrefetcher'
--- 13 unchanged lines hidden --- |