debug: interrupt event logger support for arc (b17258b5) · Commits · Wenxi XU / zephyr

arch/arc/core/isr_wrapper.S

+17 −0

Original line number	Diff line number	Diff line
		@@ -211,6 +211,22 @@ SECTION_FUNC(TEXT, _isr_enter)

		j_s.nd [r2]

		#if defined(CONFIG_KERNEL_EVENT_LOGGER_INTERRUPT)
		GTEXT(_sys_k_event_logger_interrupt)

		.macro log_interrupt_k_event
		clri r0 /* do not interrupt event logger operations */
		push_s r0
		push_s blink
		jl _sys_k_event_logger_interrupt
		pop_s blink
		pop_s r0
		seti r0
		.endm
		#else
		#define log_interrupt_k_event
		#endif

		#if defined(CONFIG_NANOKERNEL) && defined(CONFIG_TICKLESS_IDLE)
		.macro exit_tickless_idle
		clri r0 /* do not interrupt exiting tickless idle operations */
		@@ -232,6 +248,7 @@ SECTION_FUNC(TEXT, _isr_demux)
		/* cannot be done before this point because we must be able to run C */
		/* r0 is available to be stomped here, and exit_tickless_idle uses it */
		exit_tickless_idle
		log_interrupt_k_event

		lr r0, [_ARC_V2_ICAUSE]
		sub r0, r0, 16

0 → 100644

+46 −0

Original line number	Diff line number	Diff line
		/*
		* Copyright (c) 2016 Intel Corporation
		*
		* Licensed under the Apache License, Version 2.0 (the "License");
		* you may not use this file except in compliance with the License.
		* You may obtain a copy of the License at
		*
		* http://www.apache.org/licenses/LICENSE-2.0
		*
		* Unless required by applicable law or agreed to in writing, software
		* distributed under the License is distributed on an "AS IS" BASIS,
		* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
		* See the License for the specific language governing permissions and
		* limitations under the License.
		*/

		/**
		* @file
		* @brief Kernel event logger support for ARM
		*/

		#ifndef __KERNEL_EVENT_LOGGER_ARCH_H__
		#define __KERNEL_EVENT_LOGGER_ARCH_H__

		#ifdef __cplusplus
		extern "C" {
		#endif

		/**
		* @brief Get the identification of the current interrupt.
		*
		* This routine obtain the key of the interrupt that is currently processed
		* if it is called from a ISR context.
		*
		* @return The key of the interrupt that is currently being processed.
		*/
		int _sys_current_irq_key_get(void)
		{
		return _INTERRUPT_CAUSE();
		}

		#ifdef __cplusplus
		}
		#endif

		#endif /* __KERNEL_EVENT_LOGGER_ARCH_H__ */

+15 −0

Original line number	Diff line number	Diff line
		@@ -278,6 +278,21 @@ static ALWAYS_INLINE int _IS_IN_ISR(void)
		return ((act & 0xffff) != 0);
		}

		/**
		*
		* @bried Indicates the interrupt number of the highest priority
		* active interrupt
		*
		* @return IRQ number
		*/
		static ALWAYS_INLINE int _INTERRUPT_CAUSE(void)
		{
		uint32_t irq_num = _arc_v2_aux_reg_read(_ARC_V2_ICAUSE);

		return irq_num;
		}


		extern void nanoCpuAtomicIdle(unsigned int);
		extern void _thread_entry_wrapper(void);