/* * Copyright (c) 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. * * 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. */ #ifndef __DEV_ARM_MPAM_HH__ #define __DEV_ARM_MPAM_HH__ #include "mem/cache/tags/partitioning_policies/partition_manager.hh" namespace gem5::mpam { /** * This class implements a simple MPAM Memory System Component (MSC) * partitioning controller. For further info refer to: * https://developer.arm.com/documentation/ddi0598/latest/ */ class MSC : public partitioning_policy::PartitionManager { public: using partitioning_policy::PartitionManager::PartitionManager; /** * Helper function to retrieve PartitionID from a packet; Returns packet * PartitionID if available or DEFAULT_PARTITION_ID if extention is not set * @param pkt pointer to packet (PacketPtr) * @return packet PartitionID. */ uint64_t readPacketPartitionID(PacketPtr pkt) const override; }; } // namespace gem5::mpam #endif // __DEV_ARM_MPAM_HH__