1/*
2 * Copyright (c) 2012-2013, 2017 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
9 * licensed here under. You may use the software subject to the license
10 * terms below provided that you ensure that this notice is replicated

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47
48#ifndef __CPU_TRAFFIC_GEN_BASE_GEN_HH__
49#define __CPU_TRAFFIC_GEN_BASE_GEN_HH__
50
51#include "base/bitfield.hh"
52#include "base/intmath.hh"
53#include "mem/packet.hh"
54
55/**
56 * Base class for all generators, with the shared functionality and
57 * virtual functions for entering, executing and leaving the
58 * generator.
59 */
60class BaseGen
61{
62
63 protected:
64
65 /** Name to use for status and debug printing */
66 const std::string _name;
67
68 /** The MasterID used for generating requests */
69 const MasterID masterID;
70
71 /**
72 * Generate a new request and associated packet
73 *
74 * @param addr Physical address to use
75 * @param size Size of the request
76 * @param cmd Memory command to send
77 * @param flags Optional request flags
78 */

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86
87 /**
88 * Create a base generator.
89 *
90 * @param _name Name to use for status and debug
91 * @param master_id MasterID set on each request
92 * @param _duration duration of this state before transitioning
93 */
94 BaseGen(const std::string& _name, MasterID master_id, Tick _duration);
95
96 virtual ~BaseGen() { }
97
98 /**
99 * Get the name, useful for DPRINTFs.
100 *
101 * @return the given name
102 */

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127 * @param elastic should the injection respond to flow control or not
128 * @param delay time the previous packet spent waiting
129 * @return next tick when a packet is available
130 */
131 virtual Tick nextPacketTick(bool elastic, Tick delay) const = 0;
132
133};
134
135#endif