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/* Copyright (c) 2021, Nokia
* All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
#ifndef ODP_API_ABI_CPU_TIME_H_
#define ODP_API_ABI_CPU_TIME_H_
#ifdef __cplusplus
extern "C" {
#endif
#include <stdint.h>
static inline uint64_t _odp_cpu_global_time(void)
{
uint64_t cntvct;
__asm__ volatile("mrs %0, cntvct_el0" : "=r"(cntvct) : : "memory");
return cntvct;
}
static inline uint64_t _odp_cpu_global_time_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_cpu_global_time_freq(void)
{
uint64_t cntfrq;
__asm__ volatile("mrs %0, cntfrq_el0" : "=r"(cntfrq) : : );
return cntfrq;
}
int _odp_cpu_has_global_time(void);
#ifdef __cplusplus
}
#endif
#endif
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