gem5  v22.0.0.2
nvm_gen.hh
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37 
44 #ifndef __CPU_TRAFFIC_GEN_NVM_GEN_HH__
45 #define __CPU_TRAFFIC_GEN_NVM_GEN_HH__
46 
47 #include "base/bitfield.hh"
48 #include "base/intmath.hh"
49 #include "enums/AddrMap.hh"
50 #include "mem/packet.hh"
51 #include "random_gen.hh"
52 
53 namespace gem5
54 {
55 
61 class NvmGen : public RandomGen
62 {
63 
64  public:
65 
88  NvmGen(SimObject &obj,
89  RequestorID requestor_id, Tick _duration,
90  Addr start_addr, Addr end_addr,
91  Addr _blocksize, Addr cacheline_size,
92  Tick min_period, Tick max_period,
93  uint8_t read_percent, Addr data_limit,
94  unsigned int num_seq_pkts, unsigned int buffer_size,
95  unsigned int nbr_of_banks, unsigned int nbr_of_banks_util,
96  enums::AddrMap addr_mapping,
97  unsigned int nbr_of_ranks);
98 
100 
107  void genStartAddr(unsigned int new_bank, unsigned int new_rank);
108 
109  protected:
110 
112  const unsigned int numSeqPkts;
113 
115  unsigned int countNumSeqPkts;
116 
119 
121  bool isRead;
122 
124  const unsigned int bufferSize;
125 
127  const unsigned int bufferBits;
128 
130  const unsigned int bankBits;
131 
133  const unsigned int blockBits;
134 
136  const unsigned int nbrOfBanksNVM;
137 
139  const unsigned int nbrOfBanksUtil;
140 
142  enums::AddrMap addrMapping;
143 
145  const unsigned int rankBits;
146 
148  const unsigned int nbrOfRanks;
149 
150 };
151 
152 } // namespace gem5
153 
154 #endif
gem5::RandomGen
The random generator is similar to the linear one, but does not generate sequential addresses.
Definition: random_gen.hh:60
gem5::NvmGen::countNumSeqPkts
unsigned int countNumSeqPkts
Track number of sequential packets generated for a request
Definition: nvm_gen.hh:115
gem5::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:147
gem5::NvmGen::addrMapping
enums::AddrMap addrMapping
Address mapping to be used.
Definition: nvm_gen.hh:142
gem5::NvmGen::nbrOfBanksNVM
const unsigned int nbrOfBanksNVM
Number of banks in NVM.
Definition: nvm_gen.hh:136
gem5::NvmGen::bufferSize
const unsigned int bufferSize
Buffer size of NVM.
Definition: nvm_gen.hh:124
gem5::NvmGen::isRead
bool isRead
Remember type of requests to be generated in series.
Definition: nvm_gen.hh:121
gem5::NvmGen::addr
Addr addr
Address of request.
Definition: nvm_gen.hh:118
packet.hh
gem5::NvmGen::bankBits
const unsigned int bankBits
Number of bank bits in NVM address.
Definition: nvm_gen.hh:130
bitfield.hh
gem5::NvmGen::blockBits
const unsigned int blockBits
Number of block bits in NVM address.
Definition: nvm_gen.hh:133
gem5::Packet
A Packet is used to encapsulate a transfer between two objects in the memory system (e....
Definition: packet.hh:291
gem5::NvmGen::nbrOfRanks
const unsigned int nbrOfRanks
Number of ranks to be utilized for a given configuration.
Definition: nvm_gen.hh:148
gem5::Tick
uint64_t Tick
Tick count type.
Definition: types.hh:58
gem5::NvmGen::getNextPacket
PacketPtr getNextPacket()
Get the next generated packet.
Definition: nvm_gen.cc:81
gem5::SimObject
Abstract superclass for simulation objects.
Definition: sim_object.hh:146
gem5::Addr
uint64_t Addr
Address type This will probably be moved somewhere else in the near future.
Definition: types.hh:147
gem5::NvmGen::rankBits
const unsigned int rankBits
Number of rank bits in NVM address.
Definition: nvm_gen.hh:145
gem5::NvmGen::numSeqPkts
const unsigned int numSeqPkts
Number of sequential NVM packets to be generated per cpu request.
Definition: nvm_gen.hh:112
random_gen.hh
gem5::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:50
gem5::NvmGen::nbrOfBanksUtil
const unsigned int nbrOfBanksUtil
Number of banks to be utilized for a given configuration.
Definition: nvm_gen.hh:139
gem5::RequestorID
uint16_t RequestorID
Definition: request.hh:95
gem5::NvmGen::bufferBits
const unsigned int bufferBits
Number of buffer bits in NVM address.
Definition: nvm_gen.hh:127
intmath.hh
gem5
Reference material can be found at the JEDEC website: UFS standard http://www.jedec....
Definition: gpu_translation_state.hh:37
gem5::NvmGen
NVM specific generator is for issuing request with variable buffer hit length and bank utilization.
Definition: nvm_gen.hh:61

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