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# Copyright (c) 2011 ARM Limited
# All rights reserved
#
# The license below extends only to copyright in the software and shall
# not be construed as granting a license to any other intellectual
# property including but not limited to intellectual property relating
# to a hardware implementation of the functionality of the software
# licensed hereunder. You may use the software subject to the license
# terms below provided that you ensure that this notice is replicated
# unmodified and in its entirety in all distributions of the software,
# modified or unmodified, in source code or in binary form.
#
# 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
# notice, this list of conditions and the following disclaimer;
# redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in the
# 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
# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
# 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
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#
# Authors: Geoffrey Blake
import m5
from m5.objects import *
m5.util.addToPath('../configs/common')
class MyCache(BaseCache):
assoc = 2
block_size = 64
hit_latency = 2
response_latency = 2
mshrs = 10
tgts_per_mshr = 5
class MyL1Cache(MyCache):
is_top_level = True
tgts_per_mshr = 20
cpu = DerivO3CPU(cpu_id=0)
cpu.createInterruptController()
cpu.addCheckerCpu()
cpu.addTwoLevelCacheHierarchy(MyL1Cache(size = '128kB'),
MyL1Cache(size = '256kB'),
MyCache(size = '2MB'))
# @todo Note that the L2 latency here is unmodified and 2 cycles,
# should set hit latency and response latency to 20 cycles as for
# other scripts
cpu.clock = '2GHz'
system = System(cpu = cpu,
physmem = SimpleDRAM(),
membus = CoherentBus())
system.system_port = system.membus.slave
system.physmem.port = system.membus.master
cpu.connectAllPorts(system.membus)
root = Root(full_system = False, system = system)
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