dram_rot_gen.hh

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#ifndef __CPU_TRAFFIC_GEN_DRAM_ROT_GEN_HH__
#define __CPU_TRAFFIC_GEN_DRAM_ROT_GEN_HH__
 
#include "base/bitfield.hh"
#include "base/intmath.hh"
#include "dram_gen.hh"
#include "enums/AddrMap.hh"
#include "mem/packet.hh"
 
namespace gem5
{
 
class DramRotGen : public DramGen
{
 
  public:

    DramRotGen(SimObject &obj, RequestorID requestor_id, Tick _duration,
            Addr start_addr, Addr end_addr,
            Addr _blocksize, Addr cacheline_size,
            Tick min_period, Tick max_period,
            uint8_t read_percent, Addr data_limit,
            unsigned int num_seq_pkts, unsigned int page_size,
            unsigned int nbr_of_banks_DRAM, unsigned int nbr_of_banks_util,
            enums::AddrMap addr_mapping,
            unsigned int nbr_of_ranks,
            unsigned int max_seq_count_per_rank)
        : DramGen(obj, requestor_id, _duration, start_addr, end_addr,
          _blocksize, cacheline_size, min_period, max_period,
          read_percent, data_limit,
          num_seq_pkts, page_size, nbr_of_banks_DRAM,
          nbr_of_banks_util, addr_mapping,
          nbr_of_ranks),
          maxSeqCountPerRank(max_seq_count_per_rank),
          nextSeqCount(0)
    {
        // Rotating traffic generation can only support a read
        // percentage of 0, 50, or 100
        if (readPercent != 50  && readPercent != 100 && readPercent != 0) {
           fatal("%s: Unsupported read percentage for DramRotGen: %d",
                 _name, readPercent);
        }
    }
 
    PacketPtr getNextPacket();
 
  private:
    const unsigned int maxSeqCountPerRank;

    unsigned int nextSeqCount;
};
 
} // namespace gem5
 
#endif