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Diffstat (limited to 'src/mem/ruby/structures/RubyPrefetcher.py')
-rw-r--r-- | src/mem/ruby/structures/RubyPrefetcher.py | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/src/mem/ruby/structures/RubyPrefetcher.py b/src/mem/ruby/structures/RubyPrefetcher.py new file mode 100644 index 000000000..a02b11696 --- /dev/null +++ b/src/mem/ruby/structures/RubyPrefetcher.py @@ -0,0 +1,47 @@ +# Copyright (c) 2012 Mark D. Hill and David A. Wood +# 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: Nilay Vaish + +from m5.SimObject import SimObject +from m5.params import * + +class Prefetcher(SimObject): + type = 'Prefetcher' + cxx_class = 'Prefetcher' + cxx_header = "mem/ruby/structures/Prefetcher.hh" + + num_streams = Param.UInt32(4, + "Number of prefetch streams to be allocated") + pf_per_stream = Param.UInt32(1, "Number of prefetches per stream") + unit_filter = Param.UInt32(8, + "Number of entries in the unit filter array") + nonunit_filter = Param.UInt32(8, + "Number of entries in the non-unit filter array") + train_misses = Param.UInt32(4, "") + num_startup_pfs = Param.UInt32(1, "") + cross_page = Param.Bool(False, """True if prefetched address can be on a + page different from the observed address""") |