3 # Copyright (c) 2009 ARM Limited
6 # The license below extends only to copyright in the software and shall
7 # not be construed as granting a license to any other intellectual
8 # property including but not limited to intellectual property relating
9 # to a hardware implementation of the functionality of the software
10 # licensed hereunder. You may use the software subject to the license
11 # terms below provided that you ensure that this notice is replicated
12 # unmodified and in its entirety in all distributions of the software,
13 # modified or unmodified, in source code or in binary form.
15 # Redistribution and use in source and binary forms, with or without
16 # modification, are permitted provided that the following conditions are
17 # met: redistributions of source code must retain the above copyright
18 # notice, this list of conditions and the following disclaimer;
19 # redistributions in binary form must reproduce the above copyright
20 # notice, this list of conditions and the following disclaimer in the
21 # documentation and/or other materials provided with the distribution;
22 # neither the name of the copyright holders nor the names of its
23 # contributors may be used to endorse or promote products derived from
24 # this software without specific prior written permission.
26 # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
27 # "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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36 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
40 from m5
.SimObject
import SimObject
41 from m5
.params
import *
42 from m5
.proxy
import *
43 from MemObject
import MemObject
45 class ArmTableWalker(MemObject
):
46 type = 'ArmTableWalker'
47 cxx_class
= 'ArmISA::TableWalker'
48 cxx_header
= "arch/arm/table_walker.hh"
49 port
= MasterPort("Port for TableWalker to do walk the translation with")
50 sys
= Param
.System(Parent
.any
, "system object parameter")
51 num_squash_per_cycle
= Param
.Unsigned(2,
52 "Number of outstanding walks that can be squashed per cycle")
54 class ArmTLB(SimObject
):
56 cxx_class
= 'ArmISA::TLB'
57 cxx_header
= "arch/arm/tlb.hh"
58 size
= Param
.Int(64, "TLB size")
59 walker
= Param
.ArmTableWalker(ArmTableWalker(), "HW Table walker")