blob: 29e92da2a83d183946146efa7dc8175e345317bc (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
|
/* SPDX-License-Identifier: BSD-3-Clause
* Copyright (c) 2021 Nokia
*/
#ifndef ODP_API_ABI_TIME_CPU_H_
#define ODP_API_ABI_TIME_CPU_H_
#ifdef __cplusplus
extern "C" {
#endif
#include <stdint.h>
static inline uint64_t _odp_time_cpu_global(void)
{
uint64_t cntvct;
__asm__ volatile("mrs %0, cntvct_el0" : "=r"(cntvct) : : "memory");
return cntvct;
}
static inline uint64_t _odp_time_cpu_global_strict(void)
{
uint64_t cntvct;
__asm__ volatile("isb" ::: "memory");
__asm__ volatile("mrs %0, cntvct_el0" : "=r"(cntvct) : : "memory");
return cntvct;
}
static inline uint64_t _odp_time_cpu_global_freq(void)
{
uint64_t cntfrq;
__asm__ volatile("mrs %0, cntfrq_el0" : "=r"(cntfrq) : : );
return cntfrq;
}
static inline int _odp_time_cpu_global_freq_is_const(void)
{
return 1;
}
#ifdef __cplusplus
}
#endif
#endif
|