configs/common/Caches.py

   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
  23 # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  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
  29 from m5.objects import *
  30
  31 class L1Cache(BaseCache):
  32     assoc = 2
  33     block_size = 64
  34     latency = '1ns'
  35     mshrs = 10
  36     tgts_per_mshr = 5
  37
  38 class L2Cache(BaseCache):
  39     assoc = 8
  40     block_size = 64
  41     latency = '10ns'
  42     mshrs = 20
  43     tgts_per_mshr = 12
  44
  45 class PageTableWalkerCache(BaseCache):
  46     assoc = 2
  47     block_size = 64
  48     latency = '1ns'
  49     mshrs = 10
  50     size = '1kB'
  51     tgts_per_mshr = 12
  52
  53 class IOCache(BaseCache):
  54     assoc = 8
  55     block_size = 64
  56     latency = '10ns'
  57     mshrs = 20
  58     size = '1kB'
  59     tgts_per_mshr = 12
  60     forward_snoops = False