Files
gem5/configs/common/CacheConfig.py
Korey Sewell fb92578415 configs: set default cache params
It's confusing (especially to new users), when you are setting some standard
parameters (as defined in Options.py) and they aren't reflected in the simulations
so we might as well link the settings in CacheConfig.py to those in Options.py
2011-02-23 01:01:46 -05:00

60 lines
2.7 KiB
Python

# Copyright (c) 2010 Advanced Micro Devices, Inc.
# All rights reserved.
#
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# 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
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# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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#
# Authors: Lisa Hsu
# Configure the M5 cache hierarchy config in one place
#
import m5
from m5.objects import *
from Caches import *
def config_cache(options, system):
if options.l2cache:
system.l2 = L2Cache(size = options.l2_size, assoc = options.l2_assoc)
system.tol2bus = Bus()
system.l2.cpu_side = system.tol2bus.port
system.l2.mem_side = system.membus.port
system.l2.num_cpus = options.num_cpus
for i in xrange(options.num_cpus):
if options.caches:
icache = L1Cache(size = options.l1i_size, assoc = options.l1i_assoc)
dcache = L1Cache(size = options.l1d_size, assoc = options.l1d_assoc)
if buildEnv['TARGET_ISA'] == 'x86':
system.cpu[i].addPrivateSplitL1Caches(icache, dcache,
PageTableWalkerCache(),
PageTableWalkerCache())
else:
system.cpu[i].addPrivateSplitL1Caches(icache, dcache)
if options.l2cache:
system.cpu[i].connectAllPorts(system.tol2bus, system.membus)
else:
system.cpu[i].connectAllPorts(system.membus)
return system