gem5  v22.0.0.1
simple_pool_manager.hh
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31 
32 #ifndef __SIMPLE_POOL_MANAGER_HH__
33 #define __SIMPLE_POOL_MANAGER_HH__
34 
35 #include <cassert>
36 #include <cstdint>
37 
39 #include "params/SimplePoolManager.hh"
40 
41 namespace gem5
42 {
43 
44 // Simple Pool Manager: allows one region per pool. No region merging is
45 // supported.
47 {
48  public:
49  SimplePoolManager(const PoolManagerParams &p)
52  {
53  }
54 
55  uint32_t minAllocatedElements(uint32_t size);
56  std::string printRegion();
57  bool canAllocate(uint32_t numRegions, uint32_t size);
58  uint32_t allocateRegion(const uint32_t size, uint32_t *reservedPoolSize);
59  void freeRegion(uint32_t firstIdx, uint32_t lastIdx);
60  uint32_t regionSize(std::pair<uint32_t,uint32_t> &region);
61 
62  private:
63  // actual size of a region (normalized to the minimum size that can
64  // be reserved)
65  uint32_t _regionSize;
66  // next index to allocate a region
68  // number of groups that reserve a region
69  uint32_t _reservedGroups;
70 };
71 
72 } // namespace gem5
73 
74 #endif // __SIMPLE_POOL_MANAGER_HH__
gem5::SimplePoolManager::allocateRegion
uint32_t allocateRegion(const uint32_t size, uint32_t *reservedPoolSize)
Definition: simple_pool_manager.cc:82
gem5::SimplePoolManager::SimplePoolManager
SimplePoolManager(const PoolManagerParams &p)
Definition: simple_pool_manager.hh:49
gem5::SimplePoolManager::_reservedGroups
uint32_t _reservedGroups
Definition: simple_pool_manager.hh:69
gem5::SimplePoolManager
Definition: simple_pool_manager.hh:46
gem5::VegaISA::p
Bitfield< 54 > p
Definition: pagetable.hh:70
gem5::SimplePoolManager::_nxtFreeIdx
int _nxtFreeIdx
Definition: simple_pool_manager.hh:67
gem5::SimplePoolManager::canAllocate
bool canAllocate(uint32_t numRegions, uint32_t size)
Definition: simple_pool_manager.cc:66
gem5::SimplePoolManager::regionSize
uint32_t regionSize(std::pair< uint32_t, uint32_t > &region)
Definition: simple_pool_manager.cc:97
gem5::PoolManager
Definition: pool_manager.hh:46
std::pair
STL pair class.
Definition: stl.hh:58
gem5::SimplePoolManager::minAllocatedElements
uint32_t minAllocatedElements(uint32_t size)
Definition: simple_pool_manager.cc:42
gem5::SimplePoolManager::printRegion
std::string printRegion()
Definition: simple_pool_manager.cc:52
pool_manager.hh
gem5
Reference material can be found at the JEDEC website: UFS standard http://www.jedec....
Definition: gpu_translation_state.hh:37
gem5::SimplePoolManager::_regionSize
uint32_t _regionSize
Definition: simple_pool_manager.hh:65
gem5::SimplePoolManager::freeRegion
void freeRegion(uint32_t firstIdx, uint32_t lastIdx)
Definition: simple_pool_manager.cc:72

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