memtest-filter.py revision 9321
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: Ron Dreslinski
28
29import m5
30from m5.objects import *
31m5.util.addToPath('../configs/common')
32from Caches import *
33
34#MAX CORES IS 8 with the fals sharing method
35nb_cores = 8
36cpus = [ MemTest(clock = '2GHz') for i in xrange(nb_cores) ]
37
38# system simulated
39system = System(cpu = cpus, funcmem = SimpleMemory(in_addr_map = False),
40                funcbus = NoncoherentBus(),
41                physmem = SimpleMemory(),
42                membus = CoherentBus(clock="1GHz", width=16))
43
44# l2cache & bus
45system.toL2Bus = CoherentBus(clock="2GHz", width=16)
46system.l2c = L2Cache(clock = '2GHz', size='64kB', assoc=8)
47system.l2c.cpu_side = system.toL2Bus.master
48
49# connect l2c to membus
50system.l2c.mem_side = system.membus.slave
51
52# add L1 caches
53for cpu in cpus:
54    cpu.l1c = L1Cache(size = '32kB', assoc = 4)
55    cpu.l1c.cpu_side = cpu.test
56    cpu.l1c.mem_side = system.toL2Bus.slave
57    system.funcbus.slave = cpu.functional
58
59system.system_port = system.membus.slave
60
61# connect reference memory to funcbus
62system.funcmem.port = system.funcbus.master
63
64# connect memory to membus
65system.physmem.port = system.membus.master
66
67
68# -----------------------
69# run simulation
70# -----------------------
71
72root = Root( full_system = False, system = system )
73root.system.mem_mode = 'timing'
74#root.trace.flags="Cache CachePort MemoryAccess"
75#root.trace.cycle=1
76
77