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""")