prefetcher: Make prefetcher a sim object instead of it being a parameter on cache

1 files changed, 35 insertions, 0 deletions

diff --git a/src/mem/cache/prefetch/Prefetcher.py b/src/mem/cache/prefetch/Prefetcher.py
new file mode 100644
index 000000000..c2c17fa96
--- /dev/null
+++ b/src/mem/cache/prefetch/Prefetcher.py
@@ -0,0 +1,35 @@
+from m5.SimObject import SimObject
+from m5.params import *
+class BasePrefetcher(SimObject):
+    type = 'BasePrefetcher'
+    abstract = True
+    size = Param.Int(100,
+         "Number of entries in the hardware prefetch queue")
+    cross_pages = Param.Bool(False,
+         "Allow prefetches to cross virtual page boundaries")
+    serial_squash = Param.Bool(False,
+         "Squash prefetches with a later time on a subsequent miss")
+    degree = Param.Int(1,
+         "Degree of the prefetch depth")
+    latency = Param.Latency('10t',
+         "Latency of the prefetcher")
+    use_cpu_id = Param.Bool(True,
+         "Use the CPU ID to separate calculations of prefetches")
+    data_accesses_only = Param.Bool(False,
+         "Only prefetch on data not on instruction accesses")
+
+class GHBPrefetcher(BasePrefetcher):
+    type = 'GHBPrefetcher'
+    cxx_class = 'GHBPrefetcher'
+
+class StridePrefetcher(BasePrefetcher):
+    type = 'StridePrefetcher'
+    cxx_class = 'StridePrefetcher'
+
+class TaggedPrefetcher(BasePrefetcher):
+    type = 'TaggedPrefetcher'
+    cxx_class = 'TaggedPrefetcher'
+
+
+
+