1# Copyright (c) 2007 The Hewlett-Packard Development Company
2# All rights reserved.
3#
4# Redistribution and use of this software in source and binary forms,
5# with or without modification, are permitted provided that the
6# following conditions are met:
7#
8# The software must be used only for Non-Commercial Use which means any

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57from m5.SimObject import SimObject
58from m5.params import *
59from m5.proxy import *
60from m5 import build_env
61
62if build_env['FULL_SYSTEM']:
63 class X86PagetableWalker(MemObject):
64 type = 'X86PagetableWalker'
65 cxx_class = 'X86ISA::Walker'
66 port = Port("Port for the hardware table walker")
67 system = Param.System(Parent.any, "system object")
68
69class X86TLB(SimObject):
70 type = 'X86TLB'
71 abstract = True
72 size = Param.Int("TLB size")
73 if build_env['FULL_SYSTEM']:
74 walker = Param.X86PagetableWalker(\
75 X86PagetableWalker(), "page table walker")
76
77class X86DTB(X86TLB):
78 type = 'X86DTB'
79 cxx_class = 'X86ISA::DTB'
80 size = 64
81
82class X86ITB(X86TLB):
83 type = 'X86ITB'
84 cxx_class = 'X86ISA::ITB'
85 size = 64