partition_manager.cc

Go to the documentation of this file.

/*
 * 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.
 */
 
#include "mem/cache/tags/partitioning_policies/partition_manager.hh"
 
#include "mem/cache/tags/partitioning_policies/base_pp.hh"
 
namespace gem5
{
 
namespace partitioning_policy
{
 
PartitionManager::PartitionManager(const Params &p)
  : SimObject(p),
    partitioningPolicies(p.partitioning_policies)
{}
 
void
PartitionManager::notifyAcquire(uint64_t partition_id)
{
    // Notify partitioning policies of acquisition of ownership
    for (auto & partitioning_policy : partitioningPolicies) {
        // get partitionId from Packet
        partitioning_policy->notifyAcquire(partition_id);
    }
}
 
void
PartitionManager::notifyRelease(uint64_t partition_id)
{
    // Notify partitioning policies of release of ownership
    for (auto partitioning_policy : partitioningPolicies) {
        partitioning_policy->notifyRelease(partition_id);
    }
}
 
void
PartitionManager::filterByPartition(
    std::vector<ReplaceableEntry *> &entries,
    const uint64_t partition_id) const
{
    // Filter entries based on PartitionID
    for (auto partitioning_policy : partitioningPolicies) {
        partitioning_policy->filterByPartition(entries, partition_id);
    }
}
 
} // namespace partitioning_policy
 
} // namespace gem5