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')
32
33# --------------------
34# Base L1 Cache
35# ====================
36
37class L1(BaseCache):
38 latency = '1ns'
39 block_size = 64
40 mshrs = 4
41 tgts_per_mshr = 20
42 is_top_level = True
43
44# ----------------------
45# Base L2 Cache
46# ----------------------
47
48class L2(BaseCache):
49 block_size = 64
50 latency = '10ns'
51 mshrs = 92
52 tgts_per_mshr = 16
53 write_buffers = 8
54
55nb_cores = 4
56cpus = [ DerivO3CPU(cpu_id=i) for i in xrange(nb_cores) ]
57
58# system simulated
59system = System(cpu = cpus, physmem = PhysicalMemory(), membus =
60Bus())
61
62# l2cache & bus
63system.toL2Bus = Bus()
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))
| 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')
32
33# --------------------
34# Base L1 Cache
35# ====================
36
37class L1(BaseCache):
38 latency = '1ns'
39 block_size = 64
40 mshrs = 4
41 tgts_per_mshr = 20
42 is_top_level = True
43
44# ----------------------
45# Base L2 Cache
46# ----------------------
47
48class L2(BaseCache):
49 block_size = 64
50 latency = '10ns'
51 mshrs = 92
52 tgts_per_mshr = 16
53 write_buffers = 8
54
55nb_cores = 4
56cpus = [ DerivO3CPU(cpu_id=i) for i in xrange(nb_cores) ]
57
58# system simulated
59system = System(cpu = cpus, physmem = PhysicalMemory(), membus =
60Bus())
61
62# l2cache & bus
63system.toL2Bus = Bus()
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 # connect cpu level-1 caches to shared level-2 cache
75 cpu.connectAllPorts(system.toL2Bus, system.membus)
76 cpu.clock = '2GHz'
77
78# connect memory to membus
79system.physmem.port = system.membus.master
80
81# connect system port to membus
82system.system_port = system.membus.slave
83
84# -----------------------
85# run simulation
86# -----------------------
87
88root = Root( full_system = False, system = system )
89root.system.mem_mode = 'timing'
90#root.trace.flags="Bus Cache"
91#root.trace.flags = "BusAddrRanges"
| 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 = 'timing'
92#root.trace.flags="Bus Cache"
93#root.trace.flags = "BusAddrRanges"
|