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/* Copyright (c) 2016-2018, Linaro Limited
* Copyright (c) 2021, Nokia
* All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
#ifndef ODP_ARCH_CPU_INLINES_H_
#define ODP_ARCH_CPU_INLINES_H_
#ifdef __cplusplus
extern "C" {
#endif
#include <stdint.h>
static inline void _odp_cpu_pause(void)
{
__asm__ __volatile__ ("nop");
__asm__ __volatile__ ("nop");
__asm__ __volatile__ ("nop");
__asm__ __volatile__ ("nop");
}
uint64_t _odp_cpu_cycles(void)
{
#define CVMX_TMP_STR(x) CVMX_TMP_STR2(x)
#define CVMX_TMP_STR2(x) #x
uint64_t cycle;
__asm__ __volatile__ ("rdhwr %[rt],$" CVMX_TMP_STR(31) :
[rt] "=d" (cycle) : : "memory");
return cycle;
}
uint64_t _odp_cpu_cycles_max(void)
{
return UINT64_MAX;
}
uint64_t _odp_cpu_cycles_resolution(void)
{
return 1;
}
int _odp_cpu_cycles_init_global(void)
{
return 0;
}
#ifdef __cplusplus
}
#endif
#endif
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