realview-o3.py revision 9282:ac627fdc8991
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 * 31m5.util.addToPath('../configs/common') 32import FSConfig 33 34 35# -------------------- 36# Base L1 Cache 37# ==================== 38 39class L1(BaseCache): 40 hit_latency = '1ns' 41 response_latency = '1ns' 42 block_size = 64 43 mshrs = 4 44 tgts_per_mshr = 20 45 is_top_level = True 46 47# ---------------------- 48# Base L2 Cache 49# ---------------------- 50 51class L2(BaseCache): 52 block_size = 64 53 hit_latency = '10ns' 54 response_latency = '10ns' 55 mshrs = 92 56 tgts_per_mshr = 16 57 write_buffers = 8 58 59# --------------------- 60# I/O Cache 61# --------------------- 62class IOCache(BaseCache): 63 assoc = 8 64 block_size = 64 65 hit_latency = '50ns' 66 response_latency = '50ns' 67 mshrs = 20 68 size = '1kB' 69 tgts_per_mshr = 12 70 addr_ranges = [AddrRange(0, size='256MB')] 71 forward_snoops = False 72 73#cpu 74cpu = DerivO3CPU(cpu_id=0) 75#the system 76system = FSConfig.makeArmSystem('timing', "RealView_PBX", None, False) 77 78system.cpu = cpu 79 80#create the iocache 81system.iocache = IOCache() 82system.iocache.cpu_side = system.iobus.master 83system.iocache.mem_side = system.membus.slave 84 85#connect up the cpu and caches 86cpu.addTwoLevelCacheHierarchy(L1(size = '32kB', assoc = 1), 87 L1(size = '32kB', assoc = 4), 88 L2(size = '4MB', assoc = 8)) 89# create the interrupt controller 90cpu.createInterruptController() 91# connect cpu and caches to the rest of the system 92cpu.connectAllPorts(system.membus) 93# set the cpu clock along with the caches and l1-l2 bus 94cpu.clock = '2GHz' 95 96root = Root(full_system=True, system=system) 97m5.ticks.setGlobalFrequency('1THz') 98 99