918a574c88
This change adds `k_cycle_get_64()` on platforms that support a 64-bit cycle counter. The interface functions `arch_k_cycle_get_64()` and `sys_clock_cycle_get_64()` are also introduced. Fixes #39934 Signed-off-by: Christopher Friedt <chrisfriedt@gmail.com>
49 lines
827 B
C
49 lines
827 B
C
/*
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* Copyright (c) 2019 Carlo Caione <ccaione@baylibre.com>
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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/**
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* @file
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* @brief Cortex-A public kernel miscellaneous
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*
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* ARM64-specific kernel miscellaneous interface. Included by
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* arm64/arch.h.
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*/
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#ifndef ZEPHYR_INCLUDE_ARCH_ARM64_MISC_H_
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#define ZEPHYR_INCLUDE_ARCH_ARM64_MISC_H_
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#ifdef __cplusplus
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extern "C" {
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#endif
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#ifndef _ASMLANGUAGE
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extern uint32_t sys_clock_cycle_get_32(void);
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static inline uint32_t arch_k_cycle_get_32(void)
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{
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return sys_clock_cycle_get_32();
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}
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extern uint64_t sys_clock_cycle_get_64(void);
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static inline uint64_t arch_k_cycle_get_64(void)
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{
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return sys_clock_cycle_get_64();
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}
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static ALWAYS_INLINE void arch_nop(void)
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{
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__asm__ volatile("nop");
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}
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#endif
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#ifdef __cplusplus
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}
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#endif
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#endif /* ZEPHYR_INCLUDE_ARCH_ARM64_MISC_H_ */
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