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# Copyright (c) 2018 Inria
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# Authors: Daniel Carvalho
from m5.params import *
from m5.proxy import *
from m5.SimObject import SimObject
class BaseCacheCompressor(SimObject):
type = 'BaseCacheCompressor'
abstract = True
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 BDI(BaseCacheCompressor):
type = 'BDI'
cxx_class = 'BDI'
cxx_header = "mem/cache/compressors/bdi.hh"
use_more_compressors = Param.Bool(True, "True if should use all possible" \
"combinations of base and delta for the compressors. False if using" \
"only the lowest possible delta size for each base size.");
class CPack(BaseCacheCompressor):
type = 'CPack'
cxx_class = 'CPack'
cxx_header = "mem/cache/compressors/cpack.hh"