# 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 license below extends only to copyright in the software and shall
+# not be construed as granting a license to any other intellectual
+# property including but not limited to intellectual property relating
+# to a hardware implementation of the functionality of the software
+# licensed hereunder. You may use the software subject to the license
+# terms below provided that you ensure that this notice is replicated
+# unmodified and in its entirety in all distributions of the software,
+# modified or unmodified, in source code or in binary form.
#
-# The software must be used only for Non-Commercial Use which means any
-# use which is NOT directed to receiving any direct monetary
-# compensation for, or commercial advantage from such use. Illustrative
-# examples of non-commercial use are academic research, personal study,
-# teaching, education and corporate research & development.
-# Illustrative examples of commercial use are distributing products for
-# commercial advantage and providing services using the software for
-# commercial advantage.
-#
-# If you wish to use this software or functionality therein that may be
-# covered by patents for commercial use, please contact:
-# Director of Intellectual Property Licensing
-# Office of Strategy and Technology
-# Hewlett-Packard Company
-# 1501 Page Mill Road
-# Palo Alto, California 94304
-#
-# 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 HOLDER(s), HEWLETT-PACKARD COMPANY, nor the names of its
+# 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. No right of
-# sublicense is granted herewith. Derivatives of the software and
-# 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
-# notice to acknowledge the contribution from this software where
-# applicable, this list of conditions and the disclaimer below.
+# 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
#
# Authors: Gabe Black
-from MemObject import MemObject
from m5.params import *
from m5.proxy import *
-class X86TLB(MemObject):
- type = 'X86TLB'
- abstract = True
- size = Param.Int("TLB size")
- walker_port = Port("Port for the hardware table walker")
- system = Param.System(Parent.any, "system object")
-
-class X86DTB(X86TLB):
- type = 'X86DTB'
- cxx_namespace = 'X86ISA'
- cxx_class = 'DTB'
-
- size = 64
+from m5.objects.BaseTLB import BaseTLB
+from m5.objects.ClockedObject import ClockedObject
-class X86ITB(X86TLB):
- type = 'X86ITB'
- cxx_namespace = 'X86ISA'
- cxx_class = 'ITB'
+class X86PagetableWalker(ClockedObject):
+ type = 'X86PagetableWalker'
+ cxx_class = 'X86ISA::Walker'
+ cxx_header = 'arch/x86/pagetable_walker.hh'
+ port = MasterPort("Port for the hardware table walker")
+ system = Param.System(Parent.any, "system object")
+ num_squash_per_cycle = Param.Unsigned(4,
+ "Number of outstanding walks that can be squashed per cycle")
- size = 64
+class X86TLB(BaseTLB):
+ type = 'X86TLB'
+ cxx_class = 'X86ISA::TLB'
+ cxx_header = 'arch/x86/tlb.hh'
+ size = Param.Unsigned(64, "TLB size")
+ walker = Param.X86PagetableWalker(\
+ X86PagetableWalker(), "page table walker")
projects / gem5.git / blobdiff