gem5  v20.1.0.0
nvm_gen.hh
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39 
46 #ifndef __CPU_TRAFFIC_GEN_NVM_GEN_HH__
47 #define __CPU_TRAFFIC_GEN_NVM_GEN_HH__
48 
49 #include "base/bitfield.hh"
50 #include "base/intmath.hh"
51 #include "enums/AddrMap.hh"
52 #include "mem/packet.hh"
53 #include "random_gen.hh"
54 
60 class NvmGen : public RandomGen
61 {
62 
63  public:
64 
87  NvmGen(SimObject &obj,
88  RequestorID requestor_id, Tick _duration,
89  Addr start_addr, Addr end_addr,
90  Addr _blocksize, Addr cacheline_size,
91  Tick min_period, Tick max_period,
92  uint8_t read_percent, Addr data_limit,
93  unsigned int num_seq_pkts, unsigned int buffer_size,
94  unsigned int nbr_of_banks, unsigned int nbr_of_banks_util,
95  Enums::AddrMap addr_mapping,
96  unsigned int nbr_of_ranks);
97 
99 
106  void genStartAddr(unsigned int new_bank, unsigned int new_rank);
107 
108  protected:
109 
111  const unsigned int numSeqPkts;
112 
114  unsigned int countNumSeqPkts;
115 
118 
120  bool isRead;
121 
123  const unsigned int bufferSize;
124 
126  const unsigned int bufferBits;
127 
129  const unsigned int bankBits;
130 
132  const unsigned int blockBits;
133 
135  const unsigned int nbrOfBanksNVM;
136 
138  const unsigned int nbrOfBanksUtil;
139 
141  Enums::AddrMap addrMapping;
142 
144  const unsigned int rankBits;
145 
147  const unsigned int nbrOfRanks;
148 
149 };
150 
151 #endif
NvmGen
NVM specific generator is for issuing request with variable buffer hit length and bank utilization.
Definition: nvm_gen.hh:60
NvmGen::numSeqPkts
const unsigned int numSeqPkts
Number of sequential NVM packets to be generated per cpu request.
Definition: nvm_gen.hh:111
NvmGen::getNextPacket
PacketPtr getNextPacket()
Get the next generated packet.
Definition: nvm_gen.cc:80
Tick
uint64_t Tick
Tick count type.
Definition: types.hh:63
NvmGen::isRead
bool isRead
Remember type of requests to be generated in series.
Definition: nvm_gen.hh:120
packet.hh
NvmGen::nbrOfBanksNVM
const unsigned int nbrOfBanksNVM
Number of banks in NVM.
Definition: nvm_gen.hh:135
RequestorID
uint16_t RequestorID
Definition: request.hh:85
bitfield.hh
NvmGen::bankBits
const unsigned int bankBits
Number of bank bits in NVM address.
Definition: nvm_gen.hh:129
NvmGen::NvmGen
NvmGen(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 buffer_size, unsigned int nbr_of_banks, unsigned int nbr_of_banks_util, Enums::AddrMap addr_mapping, unsigned int nbr_of_ranks)
Create a NVM address sequence generator.
Definition: nvm_gen.cc:49
NvmGen::nbrOfBanksUtil
const unsigned int nbrOfBanksUtil
Number of banks to be utilized for a given configuration.
Definition: nvm_gen.hh:138
NvmGen::nbrOfRanks
const unsigned int nbrOfRanks
Number of ranks to be utilized for a given configuration.
Definition: nvm_gen.hh:147
NvmGen::addr
Addr addr
Address of request.
Definition: nvm_gen.hh:117
Addr
uint64_t Addr
Address type This will probably be moved somewhere else in the near future.
Definition: types.hh:142
NvmGen::blockBits
const unsigned int blockBits
Number of block bits in NVM address.
Definition: nvm_gen.hh:132
NvmGen::genStartAddr
void genStartAddr(unsigned int new_bank, unsigned int new_rank)
Insert bank, rank, and column bits into packed address to create address for 1st command in a series.
Definition: nvm_gen.cc:146
random_gen.hh
NvmGen::countNumSeqPkts
unsigned int countNumSeqPkts
Track number of sequential packets generated for a request
Definition: nvm_gen.hh:114
NvmGen::bufferBits
const unsigned int bufferBits
Number of buffer bits in NVM address.
Definition: nvm_gen.hh:126
NvmGen::rankBits
const unsigned int rankBits
Number of rank bits in NVM address.
Definition: nvm_gen.hh:144
Packet
A Packet is used to encapsulate a transfer between two objects in the memory system (e....
Definition: packet.hh:257
RandomGen
The random generator is similar to the linear one, but does not generate sequential addresses.
Definition: random_gen.hh:57
intmath.hh
NvmGen::bufferSize
const unsigned int bufferSize
Buffer size of NVM.
Definition: nvm_gen.hh:123
NvmGen::addrMapping
Enums::AddrMap addrMapping
Address mapping to be used.
Definition: nvm_gen.hh:141
SimObject
Abstract superclass for simulation objects.
Definition: sim_object.hh:92

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