27c8355565
* Add Cache partitioning policies to manage and enforce cache partitioning:
* Add Way partition policy
* Add MaxCapacity partition policy
* Add PartitionFieldsExtension Extension class for Packets to store
Partition IDs for cache partitioning and monitoring
* Modify Cache Tags SimObjects to store partition policies
* Modify Cache Tags block eviction logic to use new partitioning policies
* Add example system and TrafficGen configurations for testing Cache
Partitioning Policies
Change-Id: Ic3fb0f35cf060783fbb9289380721a07e18fad49
Co-authored-by: Adrian Herrera <adrian.herrera@arm.com>
Reviewed-by: Giacomo Travaglini <giacomo.travaglini@arm.com>
72 lines
3.1 KiB
Python
72 lines
3.1 KiB
Python
# -*- mode:python -*-
|
|
# Copyright (c) 2023-2024 ARM Limited
|
|
# 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 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.
|
|
|
|
Import('*')
|
|
|
|
SimObject('Cache.py', sim_objects=[
|
|
'WriteAllocator', 'BaseCache', 'Cache', 'NoncoherentCache'],
|
|
enums=['Clusivity'])
|
|
|
|
Source('base.cc')
|
|
Source('cache.cc')
|
|
Source('cache_blk.cc')
|
|
Source('mshr.cc')
|
|
Source('mshr_queue.cc')
|
|
Source('noncoherent_cache.cc')
|
|
Source('write_queue.cc')
|
|
Source('write_queue_entry.cc')
|
|
|
|
DebugFlag('Cache')
|
|
DebugFlag('CacheComp')
|
|
DebugFlag('CachePort')
|
|
DebugFlag('CacheRepl')
|
|
DebugFlag('CacheTags')
|
|
DebugFlag('CacheVerbose')
|
|
DebugFlag('HWPrefetch')
|
|
DebugFlag('MSHR')
|
|
DebugFlag('HWPrefetchQueue')
|
|
DebugFlag('PartitionPolicy')
|
|
|
|
# CacheTags is so outrageously verbose, printing the cache's entire tag
|
|
# array on each timing access, that you should probably have to ask for
|
|
# it explicitly even above and beyond CacheAll.
|
|
CompoundFlag('CacheAll', ['Cache', 'CacheComp', 'CachePort', 'CacheRepl',
|
|
'CacheVerbose', 'HWPrefetch', 'MSHR',
|
|
'PartitionPolicy'])
|