gem5  v21.1.0.2
utils.hh
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37 
38 #ifndef __CPU_UTILS_HH__
39 #define __CPU_UTILS_HH__
40 
41 #include "base/types.hh"
42 
43 namespace gem5
44 {
45 
52 inline Addr
54 {
55  return addr & (block_size - 1);
56 }
57 
65 inline Addr
67 {
68  return addr & ~(block_size - 1);
69 }
70 
79 inline bool
80 transferNeedsBurst(Addr addr, unsigned int size, unsigned int block_size)
81 {
82  return (addrBlockOffset(addr, block_size) + size) > block_size;
83 }
84 
88 inline bool
91 {
92  auto it_tmp = it_start;
93  for (;it_tmp != it_end && !(*it_tmp); ++it_tmp);
94  return (it_tmp != it_end);
95 }
96 
97 } // namespace gem5
98 
99 #endif // __CPU_UTILS_HH__
gem5::addrBlockOffset
Addr addrBlockOffset(Addr addr, Addr block_size)
Calculates the offset of a given address wrt aligned fixed-size blocks.
Definition: utils.hh:53
std::vector
STL vector class.
Definition: stl.hh:37
gem5::addrBlockAlign
Addr addrBlockAlign(Addr addr, Addr block_size)
Returns the address of the closest aligned fixed-size block to the given address.
Definition: utils.hh:66
gem5::transferNeedsBurst
bool transferNeedsBurst(Addr addr, unsigned int size, unsigned int block_size)
Returns true if the given memory access (address, size) needs to be fragmented across aligned fixed-s...
Definition: utils.hh:80
gem5::isAnyActiveElement
bool isAnyActiveElement(const std::vector< bool >::const_iterator &it_start, const std::vector< bool >::const_iterator &it_end)
Test if there is any active element in an enablement range.
Definition: utils.hh:89
gem5::Addr
uint64_t Addr
Address type This will probably be moved somewhere else in the near future.
Definition: types.hh:147
types.hh
gem5
Reference material can be found at the JEDEC website: UFS standard http://www.jedec....
Definition: decoder.cc:40
gem5::X86ISA::addr
Bitfield< 3 > addr
Definition: types.hh:84

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