xref: /gem5/configs/common/Caches.py

# Copyright (c) 2006-2007 The Regents of The University of Michigan
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are
# met: redistributions of source code must retain the above copyright
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# redistributions in binary form must reproduce the above copyright
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# documentation and/or other materials provided with the distribution;
# neither the name of the copyright holders nor the names of its
# contributors may be used to endorse or promote products derived from
# this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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# Authors: Lisa Hsu

from m5.objects import *

class L1Cache(BaseCache):
    assoc = 2
    block_size = 64
    latency = '1ns'
    mshrs = 10
    tgts_per_mshr = 5

class L2Cache(BaseCache):
    assoc = 8
    block_size = 64
    latency = '10ns'
    mshrs = 20
    tgts_per_mshr = 12

class PageTableWalkerCache(BaseCache):
    assoc = 2
    block_size = 64
    latency = '1ns'
    mshrs = 10
    size = '1kB'
    tgts_per_mshr = 12

class IOCache(BaseCache):
    assoc = 8
    block_size = 64
    latency = '10ns'
    mshrs = 20
    size = '1kB'
    tgts_per_mshr = 12
    forward_snoops = False