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# Copyright (c) 2007 The Hewlett-Packard Development Company
# All rights reserved.
#
# Redistribution and use of this software in source and binary forms,
# with or without modification, are permitted provided that the
# following conditions are met:
#
# The software must be used only for Non-Commercial Use which means any
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#
# Redistributions of source code must retain the above copyright notice,
# this list of conditions and the following disclaimer.  Redistributions
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# this software without specific prior written permission.  No right of
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# output created using the software may be prepared, but only for
# Non-Commercial Uses.  Derivatives of the software may be shared with
# others provided: (i) the others agree to abide by the list of
# conditions herein which includes the Non-Commercial Use restrictions;
# and (ii) such Derivatives of the software include the above copyright
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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# 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
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# Authors: Gabe Black

from MemObject import MemObject
from m5.SimObject import SimObject
from m5.params import *
from m5.proxy import *
from m5 import build_env

if build_env['FULL_SYSTEM']:
    class X86PagetableWalker(MemObject):
        type = 'X86PagetableWalker'
        cxx_namespace = 'X86ISA'
        cxx_class = 'Walker'
        port = Port("Port for the hardware table walker")
        system = Param.System(Parent.any, "system object")

class X86TLB(SimObject):
    type = 'X86TLB'
    abstract = True
    size = Param.Int("TLB size")
    if build_env['FULL_SYSTEM']:
        walker = Param.X86PagetableWalker(\
                X86PagetableWalker(), "page table walker")

class X86DTB(X86TLB):
    type = 'X86DTB'
    cxx_namespace = 'X86ISA'
    cxx_class = 'DTB'

    size = 64

class X86ITB(X86TLB):
    type = 'X86ITB'
    cxx_namespace = 'X86ISA'
    cxx_class = 'ITB'

    size = 64