gem5  v22.0.0.1
pool_manager.hh
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31 
32 #ifndef __POOL_MANAGER_HH__
33 #define __POOL_MANAGER_HH__
34 
35 #include <cassert>
36 #include <cstdint>
37 #include <string>
38 
39 #include "params/PoolManager.hh"
40 #include "sim/sim_object.hh"
41 
42 namespace gem5
43 {
44 
45 // Pool Manager Logic
46 class PoolManager : public SimObject
47 {
48  public:
49  PoolManager(const PoolManagerParams &p);
50  virtual ~PoolManager() { _poolSize = 0; }
51  uint32_t minAllocation() { return _minAllocation; }
52  virtual std::string printRegion() = 0;
53  virtual uint32_t regionSize(std::pair<uint32_t,uint32_t> &region) = 0;
54  virtual bool canAllocate(uint32_t numRegions, uint32_t size) = 0;
55 
56  virtual uint32_t allocateRegion(const uint32_t size,
57  uint32_t *reserved) = 0;
58 
59  virtual void freeRegion(uint32_t firstIdx, uint32_t lastIdx) = 0;
60  uint32_t poolSize() { return _poolSize; }
61  // I don't think with the current API it is possible to do what
62  // we intend to - reset the entire register pool.
63  // Because we need to reset the register pool when all WGs on
64  // the Compute Unit are finished - before launching WGs from
65  // another kernel.
66  // TsungTai Yeh added a virtual method do the very same - at a diff
67  // place though.
68  virtual void resetRegion(const int & regsPerSimd) {}; // do nothing
69 
70  private:
71  // minimum size that can be reserved per allocation
72  uint32_t _minAllocation;
73  // pool size in number of elements
74  uint32_t _poolSize;
75 };
76 
77 } // namespace gem5
78 
79 #endif // __POOL_MANAGER_HH__
gem5::PoolManager::_poolSize
uint32_t _poolSize
Definition: pool_manager.hh:74
gem5::PoolManager::allocateRegion
virtual uint32_t allocateRegion(const uint32_t size, uint32_t *reserved)=0
gem5::PoolManager::resetRegion
virtual void resetRegion(const int &regsPerSimd)
Definition: pool_manager.hh:68
reserved
reserved
Definition: pcireg.h:54
gem5::PoolManager::canAllocate
virtual bool canAllocate(uint32_t numRegions, uint32_t size)=0
gem5::VegaISA::p
Bitfield< 54 > p
Definition: pagetable.hh:70
sim_object.hh
gem5::PoolManager::minAllocation
uint32_t minAllocation()
Definition: pool_manager.hh:51
gem5::PoolManager::freeRegion
virtual void freeRegion(uint32_t firstIdx, uint32_t lastIdx)=0
gem5::PoolManager::regionSize
virtual uint32_t regionSize(std::pair< uint32_t, uint32_t > &region)=0
gem5::SimObject
Abstract superclass for simulation objects.
Definition: sim_object.hh:146
gem5::PoolManager::_minAllocation
uint32_t _minAllocation
Definition: pool_manager.hh:68
gem5::PoolManager
Definition: pool_manager.hh:46
std::pair
STL pair class.
Definition: stl.hh:58
gem5::PoolManager::printRegion
virtual std::string printRegion()=0
gem5::PoolManager::PoolManager
PoolManager(const PoolManagerParams &p)
Definition: pool_manager.cc:37
gem5::PoolManager::~PoolManager
virtual ~PoolManager()
Definition: pool_manager.hh:50
gem5::PoolManager::poolSize
uint32_t poolSize()
Definition: pool_manager.hh:60
gem5
Reference material can be found at the JEDEC website: UFS standard http://www.jedec....
Definition: gpu_translation_state.hh:37

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