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/* Copyright (c) 2013, Linaro Limited
* All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
#ifndef ODP_SPIN_INTERNAL_H_
#define ODP_SPIN_INTERNAL_H_
#ifdef __cplusplus
extern "C" {
#endif
/**
* Spin loop for ODP internal use
*/
static inline void odp_spin(void)
{
#if defined __x86_64__ || defined __i386__
#ifdef __SSE2__
__asm__ __volatile__ ("pause");
#else
__asm__ __volatile__ ("rep; nop");
#endif
#elif defined __arm__
#if __ARM_ARCH == 7
__asm__ __volatile__ ("nop");
__asm__ __volatile__ ("nop");
__asm__ __volatile__ ("nop");
__asm__ __volatile__ ("nop");
#endif
#elif defined __OCTEON__
__asm__ __volatile__ ("nop");
__asm__ __volatile__ ("nop");
__asm__ __volatile__ ("nop");
__asm__ __volatile__ ("nop");
__asm__ __volatile__ ("nop");
__asm__ __volatile__ ("nop");
__asm__ __volatile__ ("nop");
__asm__ __volatile__ ("nop");
#endif
}
#ifdef __cplusplus
}
#endif
#endif
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