gem5/tests/configs/o3-timing.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
# 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: Steve Reinhardt

import m5
from m5.objects import *
m5.util.addToPath('../configs/common')

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

class MyL1Cache(MyCache):
    is_top_level = True
    tgts_per_mshr = 20

cpu = DerivO3CPU(cpu_id=0)
cpu.addTwoLevelCacheHierarchy(MyL1Cache(size = '128kB'),
                              MyL1Cache(size = '256kB'),
                              MyCache(size = '2MB'))
cpu.clock = '2GHz'

system = System(cpu = cpu,
                physmem = PhysicalMemory(),
                membus = Bus())
system.system_port = system.membus.port
system.physmem.port = system.membus.port
cpu.connectAllPorts(system.membus)

root = Root(system = system)