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https://github.com/zephyrproject-rtos/zephyr
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67ca176754
Any word started with underscore followed by and uppercase letter or a second underscore is a reserved word according with C99. Signed-off-by: Flavio Ceolin <flavio.ceolin@intel.com>
42 lines
822 B
C
42 lines
822 B
C
/*
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* Copyright (c) 2016 Intel Corporation
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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 Kernel event logger support for Nios II
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*/
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#ifndef ZEPHYR_ARCH_NIOS2_INCLUDE_TRACING_ARCH_H_
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#define ZEPHYR_ARCH_NIOS2_INCLUDE_TRACING_ARCH_H_
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#include <arch/cpu.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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/**
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* @brief Get the identification of the current interrupt.
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*
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* This routine obtain the key of the interrupt that is currently processed
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* if it is called from a ISR context.
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*
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* @return The key of the interrupt that is currently being processed.
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*/
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static inline int _sys_current_irq_key_get(void)
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{
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u32_t ipending;
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ipending = _nios2_creg_read(NIOS2_CR_IPENDING);
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return find_lsb_set(ipending) - 1;
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}
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#ifdef __cplusplus
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}
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#endif
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#endif /* ZEPHYR_ARCH_NIOS2_INCLUDE_TRACING_ARCH_H_ */
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