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/*
* Copyright (C) 2014, 2015 INRIA
*
* This file is subject to the terms and conditions of the GNU Lesser
* General Public License v2.1. See the file LICENSE in the top level
* directory for more details.
*/
/**
* @addtogroup core_util
* @{
*
* @file
* @brief Crash handling header
*
* Define a ::core_panic function that allows to stop/reboot the system
* when an unrecoverable problem has occurred.
*
* @author Kévin Roussel <Kevin.Roussel@inria.fr>
*/
#ifndef PANIC_H
#define PANIC_H
#include "kernel_defines.h"
#ifdef __cplusplus
extern "C" {
#endif
/**
* @brief Definition of available panic modes
*/
typedef enum {
PANIC_GENERAL_ERROR,
PANIC_SOFT_REBOOT,
PANIC_HARD_REBOOT,
PANIC_ASSERT_FAIL,
#ifdef MODULE_CORTEXM_COMMON
PANIC_NMI_HANDLER, /**< non maskable interrupt */
PANIC_HARD_FAULT, /**< hard fault */
#if defined(CPU_ARCH_CORTEX_M3) || defined(CPU_ARCH_CORTEX_M4) || \
defined(CPU_ARCH_CORTEX_M4F)
PANIC_MEM_MANAGE, /**< memory controller interrupt */
PANIC_BUS_FAULT, /**< bus fault */
PANIC_USAGE_FAULT, /**< undefined instruction or unaligned access */
PANIC_DEBUG_MON, /**< debug interrupt */
#endif
PANIC_DUMMY_HANDLER, /**< unhandled interrupt */
#endif
PANIC_UNDEFINED
} core_panic_t;
/**
* @brief Handle an unrecoverable error by halting or rebooting the system
*
* A numeric code indicating the failure reason can be given
* as the *crash_code* parameter.
*
* Detailing the failure is possible using the *message* parameter.
* This function should serve a similar purpose as the panic()
* function of Unix/Linux kernels.
*
* If the DEVELHELP macro is defined, the system will be halted;
* the system will be rebooted otherwise.
*
* @warning this function NEVER returns!
*
* @param[in] crash_code a unique code for identifying the crash reason
* @param[in] message a human readable reason for the crash
*
* @return this function never returns
* */
NORETURN void core_panic(core_panic_t crash_code, const char *message);
#ifdef __cplusplus
}
#endif
#endif /* PANIC_H */
/** @} */
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