1/* |
2 * Copyright (c) 2012-2013, 2017-2018 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 --- 45 unchanged lines hidden (view full) --- 56 57/** 58 * The linear generator generates sequential requests from a 59 * start to an end address, with a fixed block size. A 60 * fraction of the requests are reads, as determined by the 61 * read percent. There is an optional data limit for when to 62 * stop generating new requests. 63 */ |
64class LinearGen : public StochasticGen |
65{ 66 67 public: 68 69 /** 70 * Create a linear address sequence generator. Set 71 * min_period == max_period for a fixed inter-transaction 72 * time. 73 * |
74 * @param gen Traffic generator owning this sequence generator |
75 * @param _duration duration of this state before transitioning 76 * @param start_addr Start address 77 * @param end_addr End address 78 * @param _blocksize Size used for transactions injected 79 * @param min_period Lower limit of random inter-transaction time 80 * @param max_period Upper limit of random inter-transaction time 81 * @param read_percent Percent of transactions that are reads 82 * @param data_limit Upper limit on how much data to read/write 83 */ |
84 LinearGen(BaseTrafficGen &gen, Tick _duration, |
85 Addr start_addr, Addr end_addr, Addr _blocksize, 86 Tick min_period, Tick max_period, 87 uint8_t read_percent, Addr data_limit) |
88 : StochasticGen(gen, _duration, start_addr, end_addr, 89 _blocksize, min_period, max_period, read_percent, 90 data_limit), 91 nextAddr(0), 92 dataManipulated(0) |
93 { } 94 95 void enter(); 96 97 PacketPtr getNextPacket(); 98 99 Tick nextPacketTick(bool elastic, Tick delay) const; 100 101 private: |
102 /** Address of next request */ 103 Addr nextAddr; 104 105 /** 106 * Counter to determine the amount of data 107 * manipulated. Used to determine if we should continue 108 * generating requests. 109 */ 110 Addr dataManipulated; 111}; 112 113#endif |