xref: /gem5/src/arch/mips/MipsTLB.py

# -*- mode:python -*-

# Copyright (c) 2007 MIPS Technologies, Inc.
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are
# met: redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer;
# redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in the
# documentation and/or other materials provided with the distribution;
# neither the name of the copyright holders nor the names of its
# contributors may be used to endorse or promote products derived from
# this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#
# Authors: Jaidev Patwardhan
#          Korey Sewell

from m5.SimObject import SimObject
from m5.params import *

class MipsTLB(SimObject):
    type = 'MipsTLB'
    abstract = True
    size = Param.Int("TLB size")

class MipsDTB(MipsTLB):
    type = 'MipsDTB'
    cxx_class = 'MipsISA::DTB'
    size = 64

class MipsITB(MipsTLB):
    type = 'MipsITB'
    cxx_class = 'MipsISA::ITB'
    size = 64

class MipsUTB(MipsTLB):
    type = 'MipsUTB'
    cxx_class = 'MipsISA::UTB'
    size = 64