gem5  v21.1.0.2
pool_manager.hh
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33 
34 #ifndef __POOL_MANAGER_HH__
35 #define __POOL_MANAGER_HH__
36 
37 #include <cassert>
38 #include <cstdint>
39 #include <string>
40 
41 #include "params/PoolManager.hh"
42 #include "sim/sim_object.hh"
43 
44 namespace gem5
45 {
46 
47 // Pool Manager Logic
48 class PoolManager : public SimObject
49 {
50  public:
51  PoolManager(const PoolManagerParams &p);
52  virtual ~PoolManager() { _poolSize = 0; }
53  uint32_t minAllocation() { return _minAllocation; }
54  virtual std::string printRegion() = 0;
55  virtual uint32_t regionSize(std::pair<uint32_t,uint32_t> &region) = 0;
56  virtual bool canAllocate(uint32_t numRegions, uint32_t size) = 0;
57 
58  virtual uint32_t allocateRegion(const uint32_t size,
59  uint32_t *reserved) = 0;
60 
61  virtual void freeRegion(uint32_t firstIdx, uint32_t lastIdx) = 0;
62  uint32_t poolSize() { return _poolSize; }
63  // I don't think with the current API it is possible to do what
64  // we intend to - reset the entire register pool.
65  // Because we need to reset the register pool when all WGs on
66  // the Compute Unit are finished - before launching WGs from
67  // another kernel.
68  // TsungTai Yeh added a virtual method do the very same - at a diff
69  // place though.
70  virtual void resetRegion(const int & regsPerSimd) {}; // do nothing
71 
72  private:
73  // minimum size that can be reserved per allocation
74  uint32_t _minAllocation;
75  // pool size in number of elements
76  uint32_t _poolSize;
77 };
78 
79 } // namespace gem5
80 
81 #endif // __POOL_MANAGER_HH__
gem5::PoolManager::_poolSize
uint32_t _poolSize
Definition: pool_manager.hh:76
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:70
reserved
reserved
Definition: pcireg.h:54
gem5::PoolManager::canAllocate
virtual bool canAllocate(uint32_t numRegions, uint32_t size)=0
sim_object.hh
gem5::MipsISA::p
Bitfield< 0 > p
Definition: pra_constants.hh:326
gem5::PoolManager::minAllocation
uint32_t minAllocation()
Definition: pool_manager.hh:53
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:70
gem5::PoolManager
Definition: pool_manager.hh:48
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:39
gem5::PoolManager::~PoolManager
virtual ~PoolManager()
Definition: pool_manager.hh:52
gem5::PoolManager::poolSize
uint32_t poolSize()
Definition: pool_manager.hh:62
gem5
Reference material can be found at the JEDEC website: UFS standard http://www.jedec....
Definition: decoder.cc:40

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