diff options
Diffstat (limited to 'tests/configs/memtest.py')
-rw-r--r-- | tests/configs/memtest.py | 95 |
1 files changed, 95 insertions, 0 deletions
diff --git a/tests/configs/memtest.py b/tests/configs/memtest.py new file mode 100644 index 000000000..116e71af6 --- /dev/null +++ b/tests/configs/memtest.py @@ -0,0 +1,95 @@ +# Copyright (c) 2006 The Regents of The University of Michigan +# All rights reserved. +# +# Redistribution and use in source and binary forms, with or without +# modification, are permitted provided that the following conditions are +# met: redistributions of source code must retain the above copyright +# notice, this list of conditions and the following disclaimer; +# redistributions in binary form must reproduce the above copyright +# notice, this list of conditions and the following disclaimer in the +# documentation and/or other materials provided with the distribution; +# neither the name of the copyright holders nor the names of its +# contributors may be used to endorse or promote products derived from +# this software without specific prior written permission. +# +# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +# +# Authors: Ron Dreslinski + +import m5 +from m5.objects import * + +# -------------------- +# Base L1 Cache +# ==================== + +class L1(BaseCache): + latency = 1 + block_size = 64 + mshrs = 12 + tgts_per_mshr = 8 + protocol = CoherenceProtocol(protocol='moesi') + +# ---------------------- +# Base L2 Cache +# ---------------------- + +class L2(BaseCache): + block_size = 64 + latency = 10 + mshrs = 92 + tgts_per_mshr = 16 + write_buffers = 8 + +#MAX CORES IS 8 with the fals sharing method +nb_cores = 8 +cpus = [ MemTest(max_loads=1e12, percent_uncacheable=0, progress_interval=1000) for i in xrange(nb_cores) ] + +# system simulated +system = System(cpu = cpus, funcmem = PhysicalMemory(), + physmem = PhysicalMemory(), membus = Bus(clock="500GHz", width=16)) + +# l2cache & bus +system.toL2Bus = Bus(clock="500GHz", width=16) +system.l2c = L2(size='64kB', assoc=8) +system.l2c.cpu_side = system.toL2Bus.port + +# connect l2c to membus +system.l2c.mem_side = system.membus.port + +which_port = 0 +# add L1 caches +for cpu in cpus: + cpu.l1c = L1(size = '32kB', assoc = 4) + cpu.l1c.cpu_side = cpu.test + cpu.l1c.mem_side = system.toL2Bus.port + if which_port == 0: + system.funcmem.port = cpu.functional + which_port = 1 + else: + system.funcmem.functional = cpu.functional + + +# connect memory to membus +system.physmem.port = system.membus.port + + +# ----------------------- +# run simulation +# ----------------------- + +root = Root( system = system ) +root.system.mem_mode = 'timing' +#root.trace.flags="Cache CachePort Bus" +#root.trace.cycle=3810800 + |