pc-simple-atomic.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') 32from Benchmarks import SysConfig 33import FSConfig 34 35mem_size = '128MB' 36 37# -------------------- 38# Base L1 Cache 39# ==================== 40 41class L1(BaseCache): 42 hit_latency = '1ns' 43 response_latency = '1ns' 44 block_size = 64 45 mshrs = 4 46 tgts_per_mshr = 8 47 is_top_level = True 48 49# ---------------------- 50# Base L2 Cache 51# ---------------------- 52 53class L2(BaseCache): 54 block_size = 64 55 hit_latency = '10ns' 56 response_latency = '10ns' 57 mshrs = 92 58 tgts_per_mshr = 16 59 write_buffers = 8 60 61# --------------------- 62# Page table walker cache 63# --------------------- 64class PageTableWalkerCache(BaseCache): 65 assoc = 2 66 block_size = 64 67 hit_latency = '1ns' 68 response_latency = '1ns' 69 mshrs = 10 70 size = '1kB' 71 tgts_per_mshr = 12 72 is_top_level = True 73 74# --------------------- 75# I/O Cache 76# --------------------- 77class IOCache(BaseCache): 78 assoc = 8 79 block_size = 64 80 hit_latency = '50ns' 81 response_latency = '50ns' 82 mshrs = 20 83 size = '1kB' 84 tgts_per_mshr = 12 85 addr_ranges = [AddrRange(0, size=mem_size)] 86 forward_snoops = False 87 is_top_level = True 88 89#cpu 90cpu = AtomicSimpleCPU(cpu_id=0) 91#the system 92mdesc = SysConfig(disk = 'linux-x86.img') 93system = FSConfig.makeLinuxX86System('atomic', mdesc=mdesc) 94system.kernel = FSConfig.binary('x86_64-vmlinux-2.6.22.9') 95 96system.cpu = cpu 97 98#create the iocache 99system.iocache = IOCache() 100system.iocache.cpu_side = system.iobus.master 101system.iocache.mem_side = system.membus.slave 102 103#connect up the cpu and caches 104cpu.addTwoLevelCacheHierarchy(L1(size = '32kB', assoc = 1), 105 L1(size = '32kB', assoc = 4), 106 L2(size = '4MB', assoc = 8), 107 PageTableWalkerCache(), 108 PageTableWalkerCache()) 109# create the interrupt controller 110cpu.createInterruptController() 111# connect cpu and caches to the rest of the system 112cpu.connectAllPorts(system.membus) 113# set the cpu clock along with the caches and l1-l2 bus 114cpu.clock = '2GHz' 115 116root = Root(full_system=True, system=system) 117m5.ticks.setGlobalFrequency('1THz') 118 119