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04dafd5618
core/lib/include/ringbuffer.h: removed trailing newline core/lib/include/irq.h: restored header guard for irq.h to resolve build errors core/lib/include/irq.h: added trailing newline to irq.h
103 lines
2.8 KiB
C
103 lines
2.8 KiB
C
/*
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* Copyright (C) 2014, 2015 INRIA
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*
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* This file is subject to the terms and conditions of the GNU Lesser
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* General Public License v2.1. See the file LICENSE in the top level
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* directory for more details.
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*/
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#pragma once
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/**
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* @ingroup core_util
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* @{
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*
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* @file
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* @brief Crash handling header
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*
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* Define a ::core_panic function that allows to stop/reboot the system
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* when an unrecoverable problem has occurred.
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*
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* @author Kévin Roussel <Kevin.Roussel@inria.fr>
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*/
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#include "kernel_defines.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 Automatically reboot the system on panic()
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*
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* By default this is on when @ref DEVELHELP is disabled.
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*/
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#ifndef CONFIG_CORE_REBOOT_ON_PANIC
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#ifdef DEVELHELP
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#define CONFIG_CORE_REBOOT_ON_PANIC (0)
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#else
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#define CONFIG_CORE_REBOOT_ON_PANIC (1)
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#endif
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#endif
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/**
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* @brief Definition of available panic modes
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*/
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typedef enum {
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PANIC_GENERAL_ERROR,
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PANIC_SOFT_REBOOT,
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PANIC_HARD_REBOOT,
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PANIC_ASSERT_FAIL,
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PANIC_EXPECT_FAIL,
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PANIC_MEM_MANAGE, /**< memory management fault */
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#ifdef MODULE_CORTEXM_COMMON
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PANIC_NMI_HANDLER, /**< non maskable interrupt */
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PANIC_HARD_FAULT, /**< hard fault */
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#if defined(CPU_CORE_CORTEX_M3) || defined(CPU_CORE_CORTEX_M33) || \
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defined(CPU_CORE_CORTEX_M4) || defined(CPU_CORE_CORTEX_M4F) || \
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defined(CPU_CORE_CORTEX_M7)
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PANIC_BUS_FAULT, /**< bus fault */
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PANIC_USAGE_FAULT, /**< undefined instruction or unaligned access */
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PANIC_DEBUG_MON, /**< debug interrupt */
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#endif
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PANIC_DUMMY_HANDLER, /**< unhandled interrupt */
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#endif
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PANIC_SSP, /**< stack smashing protector failure */
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PANIC_STACK_OVERFLOW, /**< stack overflow detected */
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PANIC_UNDEFINED
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} core_panic_t;
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/**
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* @brief Handle an unrecoverable error by halting or rebooting the system
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*
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* A numeric code indicating the failure reason can be given
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* as the *crash_code* parameter.
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*
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* Detailing the failure is possible using the *message* parameter.
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* This function should serve a similar purpose as the panic()
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* function of Unix/Linux kernels.
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*
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* If the DEVELHELP macro is defined, the system will be halted;
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* the system will be rebooted otherwise.
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*
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* @warning this function NEVER returns!
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*
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* @param[in] crash_code a unique code for identifying the crash reason
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* @param[in] message a human readable reason for the crash
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* */
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NORETURN void core_panic(core_panic_t crash_code, const char *message);
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/**
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* @brief architecture dependent handling of a panic case
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*
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* This function gives the CPU the possibility to execute architecture
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* dependent code in case of a severe error.
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*/
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void panic_arch(void);
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#ifdef __cplusplus
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}
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#endif
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/** @} */
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