gem5  v22.1.0.0
helpers.hh
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19 
20 #ifndef __SYSTEMC_EXT_TLM_CORE_2_GENERIC_PAYLOAD_HELPERS_HH__
21 #define __SYSTEMC_EXT_TLM_CORE_2_GENERIC_PAYLOAD_HELPERS_HH__
22 
23 namespace tlm
24 {
25 
27 
28 inline tlm_endianness
30 {
31  static tlm_endianness host_endianness = TLM_UNKNOWN_ENDIAN;
32 
33  if (host_endianness == TLM_UNKNOWN_ENDIAN) {
34  unsigned int number = 1;
35  unsigned char *p_msb_or_lsb = (unsigned char *)&number;
36  host_endianness = (p_msb_or_lsb[0] == 0) ?
38  }
39  return host_endianness;
40 }
41 
42 inline bool
44 {
45  static tlm_endianness host_endianness = TLM_UNKNOWN_ENDIAN;
46  static bool host_little_endian = false;
47 
48  if (host_endianness == TLM_UNKNOWN_ENDIAN) {
49  unsigned int number = 1;
50  unsigned char *p_msb_or_lsb = (unsigned char *)&number;
51 
52  host_little_endian = (p_msb_or_lsb[0] == 0) ? false : true;
53  }
54 
55  return host_little_endian;
56 }
57 
58 inline bool
60 {
62  return endianness == TLM_LITTLE_ENDIAN;
63  } else {
64  return endianness == TLM_BIG_ENDIAN;
65  }
66 }
67 
68 } // namespace tlm
69 
70 #endif /* __SYSTEMC_EXT_TLM_CORE_2_GENERIC_PAYLOAD_HELPERS_HH__ */
tlm_endianness get_host_endianness()
Definition: helpers.hh:29
tlm_endianness
Definition: helpers.hh:26
@ TLM_BIG_ENDIAN
Definition: helpers.hh:26
@ TLM_LITTLE_ENDIAN
Definition: helpers.hh:26
@ TLM_UNKNOWN_ENDIAN
Definition: helpers.hh:26
bool has_host_endianness(tlm_endianness endianness)
Definition: helpers.hh:59
bool host_has_little_endianness()
Definition: helpers.hh:43

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