src/mem/ruby/structures/RubyCache.py

# Copyright (c) 2009 Advanced Micro Devices, Inc.
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from m5.params import *
from m5.proxy import *
from m5.objects.ReplacementPolicies import *
from m5.SimObject import SimObject


class RubyCache(SimObject):
    type = "RubyCache"
    cxx_class = "gem5::ruby::CacheMemory"
    cxx_header = "mem/ruby/structures/CacheMemory.hh"

    size = Param.MemorySize("capacity in bytes")
    assoc = Param.Int("")
    replacement_policy = Param.BaseReplacementPolicy(TreePLRURP(), "")
    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, "")