config: Add a system clock command-line option
[gem5.git] / tests / configs / simple-timing-mp.py
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
29 import m5
30 from m5.objects import *
31 m5.util.addToPath('../configs/common')
32 from Caches import *
33
34 nb_cores = 4
35 cpus = [ TimingSimpleCPU(cpu_id=i) for i in xrange(nb_cores) ]
36
37 # system simulated
38 system = System(cpu = cpus, physmem = SimpleMemory(), membus = CoherentBus())
39 system.clock = '1GHz'
40
41 # l2cache & bus
42 system.toL2Bus = CoherentBus(clock = '2GHz')
43 system.l2c = L2Cache(clock = '2GHz', size='4MB', assoc=8)
44 system.l2c.cpu_side = system.toL2Bus.master
45
46 # connect l2c to membus
47 system.l2c.mem_side = system.membus.slave
48
49 # add L1 caches
50 for cpu in cpus:
51 cpu.addPrivateSplitL1Caches(L1Cache(size = '32kB', assoc = 1),
52 L1Cache(size = '32kB', assoc = 4))
53 # create the interrupt controller
54 cpu.createInterruptController()
55 # connect cpu level-1 caches to shared level-2 cache
56 cpu.connectAllPorts(system.toL2Bus, system.membus)
57 cpu.clock = '2GHz'
58
59 system.system_port = system.membus.slave
60
61 # connect memory to membus
62 system.physmem.port = system.membus.master
63
64
65 # -----------------------
66 # run simulation
67 # -----------------------
68
69 root = Root( full_system = False, system = system )
70 root.system.mem_mode = 'timing'