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https://github.com/zephyrproject-rtos/zephyr
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1be0c05311
Introduce the basic ARM64 architecture support. A new CONFIG_ARM64 symbol is introduced for the new architecture and new cmake / Kconfig files are added to switch between ARM and ARM64. Signed-off-by: Carlo Caione <ccaione@baylibre.com>
42 lines
706 B
C
42 lines
706 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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* arm/aarch64/arch.h.
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*/
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#ifndef ZEPHYR_INCLUDE_ARCH_ARM_AARCH64_MISC_H_
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#define ZEPHYR_INCLUDE_ARCH_ARM_AARCH64_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 u32_t z_timer_cycle_get_32(void);
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static inline u32_t arch_k_cycle_get_32(void)
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{
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return z_timer_cycle_get_32();
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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_ARM_AARCH64_MISC_H_ */
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