1# Copyright (c) 2015 Advanced Micro Devices, Inc.
2# All rights reserved.
3#
4# For use for simulation and test purposes only
5#
6# Redistribution and use in source and binary forms, with or without
7# modification, are permitted provided that the following conditions are met:
8#
9# 1. Redistributions of source code must retain the above copyright notice,
10# this list of conditions and the following disclaimer.
11#
12# 2. Redistributions in binary form must reproduce the above copyright notice,
13# this list of conditions and the following disclaimer in the documentation
14# and/or other materials provided with the distribution.
15#
16# 3. Neither the name of the copyright holder nor the names of its
17# contributors may be used to endorse or promote products derived from this
18# software without specific prior written permission.
19#
20# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
21# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23# ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
24# LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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29# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
30# POSSIBILITY OF SUCH DAMAGE.
31#
32# Authors: Steve Reinhardt
33#          Brad Beckmann
34
35from m5.params import *
36from m5.proxy import *
37from m5.objects.GPUCoalescer import *
38
39class VIPERCoalescer(RubyGPUCoalescer):
40    type = 'VIPERCoalescer'
41    cxx_class = 'VIPERCoalescer'
42    cxx_header = "mem/ruby/system/VIPERCoalescer.hh"
43    max_inv_per_cycle = Param.Int(32, "max invalidations per cycle")
44    max_wb_per_cycle = Param.Int(32, "max writebacks per cycle")
45    assume_rfo = False
46