1/*
2 * Copyright (c) 2012,2015 ARM Limited
3 * All rights reserved.
4 *
5 * The license below extends only to copyright in the software and shall
6 * not be construed as granting a license to any other intellectual
7 * property including but not limited to intellectual property relating
8 * to a hardware implementation of the functionality of the software

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42
43/**
44 * @file
45 * Declaration of the queued port.
46 */
47
48#include "mem/packet_queue.hh"
49#include "mem/port.hh"
50#include "sim/sim_object.hh"
51
52/**
53 * A queued port is a port that has an infinite queue for outgoing
54 * packets and thus decouples the module that wants to send
55 * request/responses from the flow control (retry mechanism) of the
56 * port. A queued port can be used by both a master and a slave. The
57 * queue is a parameter to allow tailoring of the queue implementation
58 * (used in the cache).

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71
72 /**
73 * Create a QueuedPort with a given name, owner, and a supplied
74 * implementation of a packet queue. The external definition of
75 * the queue enables e.g. the cache to implement a specific queue
76 * behaviuor in a subclass, and provide the latter to the
77 * QueuePort constructor.
78 */
79 QueuedSlavePort(const std::string& name, SimObject* owner,
80 RespPacketQueue &resp_queue, PortID id = InvalidPortID) :
81 SlavePort(name, owner, id), respQueue(resp_queue)
82 { }
83
84 virtual ~QueuedSlavePort() { }
85
86 /**
87 * Schedule the sending of a timing response.

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124
125 /**
126 * Create a QueuedPort with a given name, owner, and a supplied
127 * implementation of two packet queues. The external definition of
128 * the queues enables e.g. the cache to implement a specific queue
129 * behaviuor in a subclass, and provide the latter to the
130 * QueuePort constructor.
131 */
132 QueuedMasterPort(const std::string& name, SimObject* owner,
133 ReqPacketQueue &req_queue,
134 SnoopRespPacketQueue &snoop_resp_queue,
135 PortID id = InvalidPortID) :
136 MasterPort(name, owner, id), reqQueue(req_queue),
137 snoopRespQueue(snoop_resp_queue)
138 { }
139
140 virtual ~QueuedMasterPort() { }

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