gem5  v20.1.0.0
utils.hh
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37 
38 #ifndef __CPU_UTILS_HH__
39 #define __CPU_UTILS_HH__
40 
41 #include "base/types.hh"
42 
49 inline Addr
51 {
52  return addr & (block_size - 1);
53 }
54 
62 inline Addr
64 {
65  return addr & ~(block_size - 1);
66 }
67 
76 inline bool
77 transferNeedsBurst(Addr addr, unsigned int size, unsigned int block_size)
78 {
79  return (addrBlockOffset(addr, block_size) + size) > block_size;
80 }
81 
85 inline bool
88 {
89  auto it_tmp = it_start;
90  for (;it_tmp != it_end && !(*it_tmp); ++it_tmp);
91  return (it_tmp != it_end);
92 }
93 
94 #endif // __CPU_UTILS_HH__
std::vector
STL vector class.
Definition: stl.hh:37
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:86
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:63
addrBlockOffset
Addr addrBlockOffset(Addr addr, Addr block_size)
Calculates the offset of a given address wrt aligned fixed-size blocks.
Definition: utils.hh:50
Addr
uint64_t Addr
Address type This will probably be moved somewhere else in the near future.
Definition: types.hh:142
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:77
types.hh
addr
ip6_addr_t addr
Definition: inet.hh:423

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