simple-atomic-mp.py (9036:6385cf85bf12) simple-atomic-mp.py (9263:066099902102)
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 *
31
32# --------------------
33# Base L1 Cache
34# ====================
35
36class L1(BaseCache):
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 *
31
32# --------------------
33# Base L1 Cache
34# ====================
35
36class L1(BaseCache):
37 latency = '1ns'
37 hit_latency = '1ns'
38 response_latency = '1ns'
38 block_size = 64
39 mshrs = 4
40 tgts_per_mshr = 8
41 is_top_level = True
42
43# ----------------------
44# Base L2 Cache
45# ----------------------
46
47class L2(BaseCache):
48 block_size = 64
39 block_size = 64
40 mshrs = 4
41 tgts_per_mshr = 8
42 is_top_level = True
43
44# ----------------------
45# Base L2 Cache
46# ----------------------
47
48class L2(BaseCache):
49 block_size = 64
49 latency = '10ns'
50 hit_latency = '10ns'
51 response_latency = '10ns'
50 mshrs = 92
51 tgts_per_mshr = 16
52 write_buffers = 8
53
54nb_cores = 4
55cpus = [ AtomicSimpleCPU(cpu_id=i) for i in xrange(nb_cores) ]
56
57# system simulated
58system = System(cpu = cpus,
59 physmem = SimpleMemory(range = AddrRange('1024MB')),
60 membus = CoherentBus())
61
62# l2cache & bus
63system.toL2Bus = CoherentBus()
64system.l2c = L2(size='4MB', assoc=8)
65system.l2c.cpu_side = system.toL2Bus.master
66
67# connect l2c to membus
68system.l2c.mem_side = system.membus.slave
69
70# add L1 caches
71for cpu in cpus:
72 cpu.addPrivateSplitL1Caches(L1(size = '32kB', assoc = 1),
73 L1(size = '32kB', assoc = 4))
74 # create the interrupt controller
75 cpu.createInterruptController()
76 # connect cpu level-1 caches to shared level-2 cache
77 cpu.connectAllPorts(system.toL2Bus, system.membus)
78 cpu.clock = '2GHz'
79
80# connect memory to membus
81system.physmem.port = system.membus.master
82
83# connect system port to membus
84system.system_port = system.membus.slave
85
86# -----------------------
87# run simulation
88# -----------------------
89
90root = Root( full_system = False, system = system )
91root.system.mem_mode = 'atomic'
52 mshrs = 92
53 tgts_per_mshr = 16
54 write_buffers = 8
55
56nb_cores = 4
57cpus = [ AtomicSimpleCPU(cpu_id=i) for i in xrange(nb_cores) ]
58
59# system simulated
60system = System(cpu = cpus,
61 physmem = SimpleMemory(range = AddrRange('1024MB')),
62 membus = CoherentBus())
63
64# l2cache & bus
65system.toL2Bus = CoherentBus()
66system.l2c = L2(size='4MB', assoc=8)
67system.l2c.cpu_side = system.toL2Bus.master
68
69# connect l2c to membus
70system.l2c.mem_side = system.membus.slave
71
72# add L1 caches
73for cpu in cpus:
74 cpu.addPrivateSplitL1Caches(L1(size = '32kB', assoc = 1),
75 L1(size = '32kB', assoc = 4))
76 # create the interrupt controller
77 cpu.createInterruptController()
78 # connect cpu level-1 caches to shared level-2 cache
79 cpu.connectAllPorts(system.toL2Bus, system.membus)
80 cpu.clock = '2GHz'
81
82# connect memory to membus
83system.physmem.port = system.membus.master
84
85# connect system port to membus
86system.system_port = system.membus.slave
87
88# -----------------------
89# run simulation
90# -----------------------
91
92root = Root( full_system = False, system = system )
93root.system.mem_mode = 'atomic'