2007-04-22 20:39:39 +02:00
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# Copyright (c) 2006-2007 The Regents of The University of Michigan
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2006-10-06 03:10:03 +02:00
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# All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions are
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# met: redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer;
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# redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in the
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# documentation and/or other materials provided with the distribution;
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# neither the name of the copyright holders nor the names of its
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# contributors may be used to endorse or promote products derived from
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# this software without specific prior written permission.
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#
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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#
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# Authors: Ron Dreslinski
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import m5
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from m5.objects import *
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2009-09-23 00:24:16 +02:00
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m5.util.addToPath('../configs/common')
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2006-10-06 03:10:03 +02:00
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# --------------------
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# Base L1 Cache
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# ====================
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class L1(BaseCache):
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2007-05-11 00:24:48 +02:00
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latency = '1ns'
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2006-10-06 03:10:03 +02:00
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block_size = 64
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mshrs = 4
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2011-12-01 09:15:22 +01:00
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tgts_per_mshr = 20
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2011-03-18 01:20:19 +01:00
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is_top_level = True
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2006-10-06 03:10:03 +02:00
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# ----------------------
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# Base L2 Cache
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# ----------------------
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class L2(BaseCache):
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block_size = 64
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2007-05-11 00:24:48 +02:00
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latency = '10ns'
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2006-10-06 03:10:03 +02:00
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mshrs = 92
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tgts_per_mshr = 16
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write_buffers = 8
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nb_cores = 4
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2006-10-10 04:59:56 +02:00
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cpus = [ DerivO3CPU(cpu_id=i) for i in xrange(nb_cores) ]
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2006-10-06 03:10:03 +02:00
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# system simulated
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system = System(cpu = cpus, physmem = PhysicalMemory(), membus =
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Bus())
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# l2cache & bus
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system.toL2Bus = Bus()
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system.l2c = L2(size='4MB', assoc=8)
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system.l2c.cpu_side = system.toL2Bus.port
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2010-02-23 18:34:22 +01:00
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system.l2c.num_cpus = nb_cores
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2006-10-06 03:10:03 +02:00
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# connect l2c to membus
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system.l2c.mem_side = system.membus.port
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# add L1 caches
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for cpu in cpus:
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cpu.addPrivateSplitL1Caches(L1(size = '32kB', assoc = 1),
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L1(size = '32kB', assoc = 4))
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# connect cpu level-1 caches to shared level-2 cache
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2011-02-04 05:23:00 +01:00
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cpu.connectAllPorts(system.toL2Bus, system.membus)
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2007-04-22 20:39:39 +02:00
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cpu.clock = '2GHz'
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2006-10-06 03:10:03 +02:00
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# connect memory to membus
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system.physmem.port = system.membus.port
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2012-01-17 19:55:08 +01:00
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# connect system port to membus
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system.system_port = system.membus.port
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2006-10-06 03:10:03 +02:00
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# -----------------------
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# run simulation
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# -----------------------
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root = Root( system = system )
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root.system.mem_mode = 'timing'
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2006-10-09 23:31:58 +02:00
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#root.trace.flags="Bus Cache"
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2006-10-06 03:10:03 +02:00
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#root.trace.flags = "BusAddrRanges"
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