MipsTLB.py revision 5628 
1# -*- mode:python -*-
2
3# Copyright (c) 2007 MIPS Technologies, Inc.
4# All rights reserved.
5#
6# Redistribution and use in source and binary forms, with or without
7# modification, are permitted provided that the following conditions are
8# met: redistributions of source code must retain the above copyright
9# notice, this list of conditions and the following disclaimer;
10# redistributions in binary form must reproduce the above copyright
11# notice, this list of conditions and the following disclaimer in the
12# documentation and/or other materials provided with the distribution;
13# neither the name of the copyright holders nor the names of its
14# contributors may be used to endorse or promote products derived from
15# this software without specific prior written permission.
16#
17# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
18# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
19# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
20# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
21# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
22# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
23# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
24# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
25# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
26# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
27# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28#
29# Authors: Jaidev Patwardhan
30#          Korey Sewell
31
32from m5.SimObject import SimObject
33from m5.params import *
34
35from BaseTLB import BaseTLB
36
37class MipsTLB(BaseTLB):
38    type = 'MipsTLB'
39    abstract = True
40    size = Param.Int("TLB size")
41
42class MipsDTB(MipsTLB):
43    type = 'MipsDTB'
44    cxx_class = 'MipsISA::DTB'
45    size = 64
46
47class MipsITB(MipsTLB):
48    type = 'MipsITB'
49    cxx_class = 'MipsISA::ITB'
50    size = 64
51
52class MipsUTB(MipsTLB):
53    type = 'MipsUTB'
54    cxx_class = 'MipsISA::UTB'
55    size = 64
56
57