| # Copyright (c) 2012 ARM Limited |
| # Copyright (c) 2020 Barkhausen Institut |
| # All rights reserved. |
| # |
| # 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. |
| # |
| # Copyright (c) 2006-2007 The Regents of The University of Michigan |
| # All rights reserved. |
| # |
| # 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. |
| # |
| # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| # "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| # LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| # A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| # OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| |
| from m5.objects import * |
| |
| # Base implementations of L1, L2, IO and TLB-walker caches. There are |
| # used in the regressions and also as base components in the |
| # system-configuration scripts. The values are meant to serve as a |
| # starting point, and specific parameters can be overridden in the |
| # specific instantiations. |
| |
| |
| class L1Cache(Cache): |
| assoc = 2 |
| tag_latency = 2 |
| data_latency = 2 |
| response_latency = 2 |
| mshrs = 4 |
| tgts_per_mshr = 20 |
| |
| |
| class L1_ICache(L1Cache): |
| is_read_only = True |
| # Writeback clean lines as well |
| writeback_clean = True |
| |
| |
| class L1_DCache(L1Cache): |
| pass |
| |
| |
| class L2Cache(Cache): |
| assoc = 8 |
| tag_latency = 20 |
| data_latency = 20 |
| response_latency = 20 |
| mshrs = 20 |
| tgts_per_mshr = 12 |
| write_buffers = 8 |
| |
| |
| class IOCache(Cache): |
| assoc = 8 |
| tag_latency = 50 |
| data_latency = 50 |
| response_latency = 50 |
| mshrs = 20 |
| size = "1kB" |
| tgts_per_mshr = 12 |