gem5  v22.0.0.1
BankedArray.hh
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31 
32 #ifndef __MEM_RUBY_STRUCTURES_BANKEDARRAY_HH__
33 #define __MEM_RUBY_STRUCTURES_BANKEDARRAY_HH__
34 
35 #include <vector>
36 
39 
40 namespace gem5
41 {
42 
43 namespace ruby
44 {
45 
47 {
48  private:
49  unsigned int banks;
51  unsigned int bankBits;
52  unsigned int startIndexBit;
54 
56  {
57  public:
59  int64_t idx;
62  };
63 
64  // If the tick event is scheduled then the bank is busy
65  // otherwise, schedule the event and wait for it to complete
67 
68  unsigned int mapIndexToBank(int64_t idx);
69 
70  public:
71  BankedArray(unsigned int banks, Cycles accessLatency,
72  unsigned int startIndexBit, RubySystem *rs);
73 
74  // Note: We try the access based on the cache index, not the address
75  // This is so we don't get aliasing on blocks being replaced
76  bool tryAccess(int64_t idx);
77 
78  void reserve(int64_t idx);
79 
80  Cycles getLatency() const { return accessLatency; }
81 };
82 
83 } // namespace ruby
84 } // namespace gem5
85 
86 #endif
gem5::ruby::BankedArray::startIndexBit
unsigned int startIndexBit
Definition: BankedArray.hh:52
gem5::ruby::BankedArray
Definition: BankedArray.hh:46
gem5::ruby::BankedArray::bankBits
unsigned int bankBits
Definition: BankedArray.hh:51
gem5::ruby::BankedArray::accessLatency
Cycles accessLatency
Definition: BankedArray.hh:50
gem5::ruby::BankedArray::getLatency
Cycles getLatency() const
Definition: BankedArray.hh:80
std::vector
STL vector class.
Definition: stl.hh:37
gem5::ruby::BankedArray::mapIndexToBank
unsigned int mapIndexToBank(int64_t idx)
Definition: BankedArray.cc:102
gem5::ruby::BankedArray::m_ruby_system
RubySystem * m_ruby_system
Definition: BankedArray.hh:53
gem5::Cycles
Cycles is a wrapper class for representing cycle counts, i.e.
Definition: types.hh:78
gem5::ruby::BankedArray::AccessRecord
Definition: BankedArray.hh:55
gem5::ruby::BankedArray::AccessRecord::endAccess
Tick endAccess
Definition: BankedArray.hh:61
gem5::ruby::BankedArray::AccessRecord::idx
int64_t idx
Definition: BankedArray.hh:59
TypeDefines.hh
gem5::Tick
uint64_t Tick
Tick count type.
Definition: types.hh:58
gem5::ruby::BankedArray::BankedArray
BankedArray(unsigned int banks, Cycles accessLatency, unsigned int startIndexBit, RubySystem *rs)
Definition: BankedArray.cc:44
RubySystem.hh
gem5::ruby::BankedArray::AccessRecord::AccessRecord
AccessRecord()
Definition: BankedArray.hh:58
gem5::ruby::BankedArray::banks
unsigned int banks
Definition: BankedArray.hh:49
gem5::ruby::BankedArray::tryAccess
bool tryAccess(int64_t idx)
Definition: BankedArray.cc:60
gem5::ruby::RubySystem
Definition: RubySystem.hh:63
gem5::ruby::BankedArray::AccessRecord::startAccess
Tick startAccess
Definition: BankedArray.hh:60
gem5::ruby::BankedArray::reserve
void reserve(int64_t idx)
Definition: BankedArray.cc:76
gem5::ruby::BankedArray::busyBanks
std::vector< AccessRecord > busyBanks
Definition: BankedArray.hh:66
gem5
Reference material can be found at the JEDEC website: UFS standard http://www.jedec....
Definition: gpu_translation_state.hh:37
gem5::ArmISA::rs
Bitfield< 9, 8 > rs
Definition: misc_types.hh:377

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