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 --- 43 unchanged lines hidden (view full) --- 54#include "base_gen.hh" 55#include "mem/packet.hh" 56 57/** 58 * The random generator is similar to the linear one, but does 59 * not generate sequential addresses. Instead it randomly 60 * picks an address in the range, aligned to the block size. 61 */ |
62class RandomGen : public StochasticGen |
63{ 64 65 public: 66 67 /** 68 * Create a random address sequence generator. Set 69 * min_period == max_period for a fixed inter-transaction 70 * time. 71 * |
72 * @param gen Traffic generator owning this sequence generator |
73 * @param _duration duration of this state before transitioning 74 * @param start_addr Start address 75 * @param end_addr End address 76 * @param _blocksize Size used for transactions injected 77 * @param min_period Lower limit of random inter-transaction time 78 * @param max_period Upper limit of random inter-transaction time 79 * @param read_percent Percent of transactions that are reads 80 * @param data_limit Upper limit on how much data to read/write 81 */ |
82 RandomGen(BaseTrafficGen &gen, Tick _duration, |
83 Addr start_addr, Addr end_addr, Addr _blocksize, 84 Tick min_period, Tick max_period, 85 uint8_t read_percent, Addr data_limit) |
86 : StochasticGen(gen, _duration, start_addr, end_addr, _blocksize, 87 min_period, max_period, read_percent, data_limit), 88 dataManipulated(0) |
89 { } 90 91 void enter(); 92 93 PacketPtr getNextPacket(); 94 95 Tick nextPacketTick(bool elastic, Tick delay) const; 96 97 protected: |
98 /** |
99 * Counter to determine the amount of data 100 * manipulated. Used to determine if we should continue 101 * generating requests. 102 */ 103 Addr dataManipulated; 104}; 105 106#endif |