core: unified core_panic implementation
Oleg Hahm
8 years ago
parent
828839316b
commit
cb1f047f59
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/*
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* Copyright (C) 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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/**
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* @ingroup core_arch
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* @{
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*
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* @file
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* @brief Architecture dependent panic function
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*
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* @author Oliver Hahm <oliver.hahm@inria.fr>
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*/
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#ifndef PANIC_ARCH_H
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#define PANIC_ARCH_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 architecture dependent handling of an 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 an 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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#endif /* REBOOT_ARCH_H */
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/** @} */
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/*
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* Copyright (C) 2015 INRIA
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* Copyright (C) 2015 Eistec AB
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*
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* This file is subject to the terms and conditions of the GNU Lesser General
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* Public License v2.1. See the file LICENSE in the top level directory for more
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* details.
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*/
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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 functions
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*
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* @author Kévin Roussel <Kevin.Roussel@inria.fr>
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* @author Oliver Hahm <oliver.hahm@inria.fr>
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* @author Joakim Gebart <joakim.gebart@eistec.se>
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*/
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#include <string.h>
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#include <stdio.h>
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#include "cpu.h"
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#include "irq.h"
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#include "lpm.h"
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#include "panic.h"
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#include "arch/panic_arch.h"
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#define PANIC_STR_SIZE 80
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/* "public" variables holding the crash data */
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char panic_str[PANIC_STR_SIZE];
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int panic_code;
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/* flag preventing "recursive crash printing loop" */
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static int crashed = 0;
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/* WARNING: this function NEVER returns! */
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NORETURN void core_panic(int crash_code, const char *message)
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{
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/* copy panic datas to "public" global variables */
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panic_code = crash_code;
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strncpy(panic_str, message, sizeof(panic_str));
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/* strncpy does not add any null-termination. */
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panic_str[sizeof(panic_str)-1] = '\0';
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/* print panic message to console (if possible) */
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if (crashed == 0) {
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crashed = 1;
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puts("******** SYSTEM FAILURE ********\n");
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puts(message);
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#if DEVELHELP
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puts("******** RIOT HALTS HERE ********\n");
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#else
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puts("******** RIOT WILL REBOOT ********\n");
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#endif
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puts("\n\n");
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}
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/* disable watchdog and all possible sources of interrupts */
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disableIRQ();
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panic_arch();
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#ifndef DEVELHELP
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/* DEVELHELP not set => reboot system */
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(void) reboot(RB_AUTOBOOT);
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#endif
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/* tell the compiler that we won't return from this function
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(even if we actually won't even get here...) */
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UNREACHABLE();
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}
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@ -1,67 +1,30 @@
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/*
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* Copyright (C) 2014 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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* This file is subject to the terms and conditions of the GNU Lesser General
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* Public License v2.1. See the file LICENSE in the top level directory for more
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* details.
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*/
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/**
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* @ingroup core_util
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* @ingroup arm7_common
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* @{
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*
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* @file panic.c
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* @file
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* @brief Crash handling functions implementation for ARM-based MCUs
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*
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* @author Kévin Roussel <Kevin.Roussel@inria.fr>
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* @author Oliver Hahm <oliver.hahm@inria.fr>
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*/
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#include "cpu.h"
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#include "lpm.h"
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#include "panic.h"
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#include <string.h>
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#include <stdio.h>
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/* "public" variables holding the crash data */
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char panic_str[80];
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int panic_code;
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/* flag preventing "recursive crash printing loop" */
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static int crashed = 0;
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/* WARNING: this function NEVER returns! */
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NORETURN void core_panic(int crash_code, const char *message)
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void panic_arch(void)
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{
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/* copy panic datas to "public" global variables */
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panic_code = crash_code;
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strncpy(panic_str, message, 80);
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/* print panic message to console (if possible) */
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if (crashed == 0) {
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crashed = 1;
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puts("******** SYSTEM FAILURE ********\n");
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puts(message);
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#if DEVELHELP
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puts("******** RIOT HALTS HERE ********\n");
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#else
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puts("******** RIOT WILL REBOOT ********\n");
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#endif
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puts("\n\n");
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}
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/* disable watchdog and all possible sources of interrupts */
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//TODO
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dINT();
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#if DEVELHELP
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/* enter infinite loop, into deepest possible sleep mode */
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while (1) {
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lpm_set(LPM_OFF);
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}
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#else
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/* DEVELHELP not set => reboot system */
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(void) reboot(RB_AUTOBOOT);
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#endif
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/* tell the compiler that we won't return from this function
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(even if we actually won't even get here...) */
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UNREACHABLE();
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}
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