simple-atomic-mp.py revision 9324:8650f0c53db5
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
34nb_cores = 4
35cpus = [ AtomicSimpleCPU(cpu_id=i) for i in xrange(nb_cores) ]
36
37# system simulated
38system = System(cpu = cpus,
39                physmem = SimpleMemory(range = AddrRange('1024MB')),
40                membus = CoherentBus())
41
42# l2cache & bus
43system.toL2Bus = CoherentBus(clock = '2GHz')
44system.l2c = L2Cache(clock = '2GHz', size='4MB', assoc=8)
45system.l2c.cpu_side = system.toL2Bus.master
46
47# connect l2c to membus
48system.l2c.mem_side = system.membus.slave
49
50# add L1 caches
51for cpu in cpus:
52    cpu.addPrivateSplitL1Caches(L1Cache(size = '32kB', assoc = 1),
53                                L1Cache(size = '32kB', assoc = 4))
54    # create the interrupt controller
55    cpu.createInterruptController()
56    # connect cpu level-1 caches to shared level-2 cache
57    cpu.connectAllPorts(system.toL2Bus, system.membus)
58    cpu.clock = '2GHz'
59
60# connect memory to membus
61system.physmem.port = system.membus.master
62
63# connect system port to membus
64system.system_port = system.membus.slave
65
66# -----------------------
67# run simulation
68# -----------------------
69
70root = Root( full_system = False, system = system )
71root.system.mem_mode = 'atomic'
72