2 * Copyright (c) 2018 ARM Limited
5 * The license below extends only to copyright in the software and shall
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8 * to a hardware implementation of the functionality of the software
9 * licensed hereunder. You may use the software subject to the license
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17 * notice, this list of conditions and the following disclaimer;
18 * redistributions in binary form must reproduce the above copyright
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20 * documentation and/or other materials provided with the distribution;
21 * neither the name of the copyright holders nor the names of its
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23 * this software without specific prior written permission.
25 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
26 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
27 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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31 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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35 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
37 * Author: Matteo Andreozzi
40 #include "mem/qos/policy_fixed_prio.hh"
45 #include "mem/request.hh"
49 FixedPriorityPolicy::FixedPriorityPolicy(const Params
* p
)
50 : Policy(p
), defaultPriority(p
->qos_fixed_prio_default_prio
)
53 FixedPriorityPolicy::~FixedPriorityPolicy()
57 FixedPriorityPolicy::init()
62 FixedPriorityPolicy::initMasterName(std::string master
, uint8_t priority
)
65 this->pair
<std::string
, uint8_t>(master
, priority
));
69 FixedPriorityPolicy::initMasterObj(const SimObject
* master
, uint8_t priority
)
72 this->pair
<const SimObject
*, uint8_t>(master
, priority
));
76 FixedPriorityPolicy::schedule(const MasterID mId
, const uint64_t data
)
78 // Reads a packet's MasterID contained in its encapsulated request
79 // if a match is found in the configured priority map, returns the
80 // matching priority, else returns zero
82 auto ret
= priorityMap
.find(mId
);
84 if (ret
!= priorityMap
.end()) {
87 DPRINTF(QOS
, "Master %s (MasterID %d) not present in priorityMap, "
88 "assigning default priority %d\n",
89 memCtrl
->system()->getMasterName(mId
),
90 mId
, defaultPriority
);
91 return defaultPriority
;
97 QoS::FixedPriorityPolicy
*
98 QoSFixedPriorityPolicyParams::create()
100 return new QoS::FixedPriorityPolicy(this);