mem-cache: Add support for partitioning caches

* 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>

src/mem/cache/SConscript

@@ -1,5 +1,16 @@
 # -*- 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.
 #
@@ -50,9 +61,11 @@ 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'])
+                          'CacheVerbose', 'HWPrefetch', 'MSHR',
+                          'PartitionPolicy'])