X-Git-Url: https://git.libre-soc.org/?a=blobdiff_plain;f=src%2Fmem%2Fcache%2Fcompressors%2FCompressors.py;h=4ed72190c0b6ace92c503909dda122adc3300fe5;hb=7973e49187a977b26cc3abc8a5b1393eb1a1f294;hp=b266ccc95492ad245b4074623ead680b54ea2287;hpb=28059ffcdf50871b1be573c29a656da9473287d1;p=gem5.git

diff --git a/src/mem/cache/compressors/Compressors.py b/src/mem/cache/compressors/Compressors.py
index b266ccc95..4ed72190c 100644
--- a/src/mem/cache/compressors/Compressors.py
+++ b/src/mem/cache/compressors/Compressors.py
@@ -36,6 +36,17 @@ class BaseCacheCompressor(SimObject):
     cxx_header = "mem/cache/compressors/base.hh"
 
     block_size = Param.Int(Parent.cache_line_size, "Block size in bytes")
+    size_threshold = Param.Unsigned(Parent.cache_line_size, "Minimum size, "
+        "in bytes, in which a block must be compressed to. Otherwise it is "
+        "stored in its uncompressed state")
+
+class BaseDictionaryCompressor(BaseCacheCompressor):
+    type = 'BaseDictionaryCompressor'
+    abstract = True
+    cxx_header = "mem/cache/compressors/dictionary_compressor.hh"
+
+    dictionary_size = Param.Int(Parent.cache_line_size,
+        "Number of dictionary entries")
 
 class BDI(BaseCacheCompressor):
     type = 'BDI'
@@ -46,7 +57,7 @@ class BDI(BaseCacheCompressor):
         "combinations of base and delta for the compressors. False if using" \
         "only the lowest possible delta size for each base size.");
 
-class CPack(BaseCacheCompressor):
+class CPack(BaseDictionaryCompressor):
     type = 'CPack'
     cxx_class = 'CPack'
     cxx_header = "mem/cache/compressors/cpack.hh"