gem5/src/mem/ruby/structures/RubyCache.py

# Copyright (c) 2009 Advanced Micro Devices, Inc.
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# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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# Authors: Steve Reinhardt
#          Brad Beckmann

from m5.params import *
from m5.proxy import *
from PseudoLRUReplacementPolicy import PseudoLRUReplacementPolicy
from m5.SimObject import SimObject

class RubyCache(SimObject):
    type = 'RubyCache'
    cxx_class = 'CacheMemory'
    cxx_header = "mem/ruby/structures/CacheMemory.hh"
    size = Param.MemorySize("capacity in bytes");
    assoc = Param.Int("");
    replacement_policy = Param.ReplacementPolicy(PseudoLRUReplacementPolicy(),
                         "")
    start_index_bit = Param.Int(6, "index start, default 6 for 64-byte line");
    is_icache = Param.Bool(False, "is instruction only cache");
    block_size = Param.MemorySize("0B", "block size in bytes. 0 means default RubyBlockSize")

    dataArrayBanks = Param.Int(1, "Number of banks for the data array")
    tagArrayBanks = Param.Int(1, "Number of banks for the tag array")
    dataAccessLatency = Param.Cycles(1, "cycles for a data array access")
    tagAccessLatency = Param.Cycles(1, "cycles for a tag array access")
    resourceStalls = Param.Bool(False, "stall if there is a resource failure")
    ruby_system = Param.RubySystem(Parent.any, "")