simple-timing.py revision 8839:eeb293859255
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: Steve Reinhardt 28 29import m5 30from m5.objects import * 31 32class MyCache(BaseCache): 33 assoc = 2 34 block_size = 64 35 latency = '1ns' 36 mshrs = 10 37 tgts_per_mshr = 5 38 39class MyL1Cache(MyCache): 40 is_top_level = True 41 42cpu = TimingSimpleCPU(cpu_id=0) 43cpu.addTwoLevelCacheHierarchy(MyL1Cache(size = '128kB'), 44 MyL1Cache(size = '256kB'), 45 MyCache(size = '2MB', latency='10ns')) 46system = System(cpu = cpu, 47 physmem = PhysicalMemory(), 48 membus = Bus()) 49system.system_port = system.membus.slave 50system.physmem.port = system.membus.master 51cpu.connectAllPorts(system.membus) 52cpu.clock = '2GHz' 53 54root = Root(full_system=False, system = system) 55