mirror of
https://github.com/RIOT-OS/RIOT.git
synced 2024-12-29 04:50:03 +01:00
101 lines
2.5 KiB
C
101 lines
2.5 KiB
C
/*
|
|
* Copyright (C) 2015 INRIA
|
|
* Copyright (C) 2015 Eistec AB
|
|
* Copyright (C) 2015 Kaspar Schleiser <kaspar@schleiser.de>
|
|
*
|
|
* 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.
|
|
*/
|
|
|
|
/**
|
|
* @ingroup core_util
|
|
* @{
|
|
*
|
|
* @file
|
|
* @brief Crash handling functions
|
|
*
|
|
* @author Kévin Roussel <Kevin.Roussel@inria.fr>
|
|
* @author Oliver Hahm <oliver.hahm@inria.fr>
|
|
* @author Joakim Nohlgård <joakim.nohlgard@eistec.se>
|
|
* @author Kaspar Schleiser <kaspar@schleiser.de>
|
|
*/
|
|
|
|
#include <stdio.h>
|
|
#include "kernel_defines.h"
|
|
#include "cpu.h"
|
|
#include "irq.h"
|
|
#include "panic.h"
|
|
#include "periph/pm.h"
|
|
|
|
#if defined(DEVELHELP) && defined(MODULE_PS)
|
|
#include "ps.h"
|
|
#endif
|
|
|
|
/* If a device is flashed over USB bootloader, try to launch
|
|
* the bootloader again on crash so the user can re-flash it.
|
|
*/
|
|
#if defined(DEVELHELP) && defined(MODULE_USB_BOARD_RESET)
|
|
#include "usb_board_reset.h"
|
|
#endif
|
|
|
|
/* flag preventing "recursive crash printing loop" */
|
|
static int crashed = 0;
|
|
|
|
void __attribute__((weak)) panic_arch(void)
|
|
{}
|
|
void __attribute__((weak)) panic_app(core_panic_t crash_code,
|
|
const char *message)
|
|
{
|
|
(void)crash_code;
|
|
(void)message;
|
|
}
|
|
|
|
/* WARNING: this function NEVER returns! */
|
|
NORETURN void core_panic(core_panic_t crash_code, const char *message)
|
|
{
|
|
#ifdef NDEBUG
|
|
(void)crash_code;
|
|
#endif
|
|
|
|
if (crashed == 0) {
|
|
/* print panic message to console (if possible) */
|
|
crashed = 1;
|
|
|
|
/* Call back app in case it wants to store some context */
|
|
panic_app(crash_code, message);
|
|
printf("*** RIOT kernel panic:\n%s\n\n", message);
|
|
#ifdef DEVELHELP
|
|
#ifdef MODULE_PS
|
|
ps();
|
|
printf("\n");
|
|
#endif
|
|
|
|
printf("*** halted.\n\n");
|
|
#else
|
|
printf("*** rebooting...\n\n");
|
|
#endif
|
|
}
|
|
/* disable watchdog and all possible sources of interrupts */
|
|
irq_disable();
|
|
panic_arch();
|
|
#if CONFIG_CORE_REBOOT_ON_PANIC && defined(MODULE_PERIPH_PM)
|
|
/* DEVELHELP not set => reboot system */
|
|
pm_reboot();
|
|
#else
|
|
/* DEVELHELP set => power off system */
|
|
/* or start bootloader */
|
|
#if defined(MODULE_USB_BOARD_RESET)
|
|
usb_board_reset_in_bootloader();
|
|
#elif defined(MODULE_PERIPH_PM)
|
|
pm_off();
|
|
#else
|
|
while (1) {}
|
|
#endif
|
|
#endif /* DEVELHELP */
|
|
|
|
/* tell the compiler that we won't return from this function
|
|
(even if we actually won't even get here...) */
|
|
UNREACHABLE();
|
|
}
|