Caches.py revision 8631 
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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24# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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    latency = '1ns'
35    mshrs = 10
36    tgts_per_mshr = 20
37    is_top_level = True
38
39class L2Cache(BaseCache):
40    assoc = 8
41    block_size = 64
42    latency = '10ns'
43    mshrs = 20
44    tgts_per_mshr = 12
45
46class PageTableWalkerCache(BaseCache):
47    assoc = 2
48    block_size = 64
49    latency = '1ns'
50    mshrs = 10
51    size = '1kB'
52    tgts_per_mshr = 12
53    is_top_level = True
54
55class IOCache(BaseCache):
56    assoc = 8
57    block_size = 64
58    latency = '10ns'
59    mshrs = 20
60    size = '1kB'
61    tgts_per_mshr = 12
62    forward_snoops = False
63    is_top_level = True
64