Caches.py revision 9263:066099902102 
1# Copyright (c) 2006-2007 The Regents of The University of Michigan
2# All rights reserved.
3#
4# Redistribution and use in source and binary forms, with or without
5# modification, are permitted provided that the following conditions are
6# met: redistributions of source code must retain the above copyright
7# notice, this list of conditions and the following disclaimer;
8# redistributions in binary form must reproduce the above copyright
9# notice, this list of conditions and the following disclaimer in the
10# documentation and/or other materials provided with the distribution;
11# neither the name of the copyright holders nor the names of its
12# contributors may be used to endorse or promote products derived from
13# this software without specific prior written permission.
14#
15# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
16# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
17# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
18# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
19# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
20# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
21# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
22# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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25# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26#
27# Authors: Lisa Hsu
28
29from m5.objects import *
30
31class L1Cache(BaseCache):
32    assoc = 2
33    block_size = 64
34    hit_latency = '1ns'
35    response_latency = '1ns'
36    mshrs = 10
37    tgts_per_mshr = 20
38    is_top_level = True
39
40class L2Cache(BaseCache):
41    assoc = 8
42    block_size = 64
43    hit_latency = '10ns'
44    response_latency = '10ns'
45    mshrs = 20
46    tgts_per_mshr = 12
47
48class PageTableWalkerCache(BaseCache):
49    assoc = 2
50    block_size = 64
51    hit_latency = '1ns'
52    response_latency = '1ns'
53    mshrs = 10
54    size = '1kB'
55    tgts_per_mshr = 12
56    is_top_level = True
57
58class IOCache(BaseCache):
59    assoc = 8
60    block_size = 64
61    hit_latency = '10ns'
62    response_latency = '10ns'
63    mshrs = 20
64    size = '1kB'
65    tgts_per_mshr = 12
66    forward_snoops = False
67    is_top_level = True
68