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core: optimize panic.c

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This commit is contained in:
Kaspar Schleiser 2015-05-29 17:17:11 +02:00
parent 9ecaea4038
commit f953ae8187
1 changed files with 6 additions and 16 deletions
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22
core/panic.c
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@ -1,6 +1,7 @@
/* /*
* Copyright (C) 2015 INRIA * Copyright (C) 2015 INRIA
* Copyright (C) 2015 Eistec AB * 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 * 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 * Public License v2.1. See the file LICENSE in the top level directory for more
@ -17,6 +18,7 @@
* @author Kévin Roussel <Kevin.Roussel@inria.fr> * @author Kévin Roussel <Kevin.Roussel@inria.fr>
* @author Oliver Hahm <oliver.hahm@inria.fr> * @author Oliver Hahm <oliver.hahm@inria.fr>
* @author Joakim Gebart <joakim.gebart@eistec.se> * @author Joakim Gebart <joakim.gebart@eistec.se>
* @author Kaspar Schleiser <kaspar@schleiser.de>
*/ */
#include <string.h> #include <string.h>
@ -32,27 +34,16 @@
#include "ps.h" #include "ps.h"
#endif #endif
#define PANIC_STR_SIZE 80
/* "public" variables holding the crash data */
char panic_str[PANIC_STR_SIZE];
int panic_code;
/* flag preventing "recursive crash printing loop" */ /* flag preventing "recursive crash printing loop" */
static int crashed = 0; static int crashed = 0;
/* WARNING: this function NEVER returns! */ /* WARNING: this function NEVER returns! */
NORETURN void core_panic(int crash_code, const char *message) NORETURN void core_panic(int crash_code, const char *message)
{ {
/* copy panic datas to "public" global variables */
panic_code = crash_code;
strncpy(panic_str, message, sizeof(panic_str));
/* strncpy does not add any null-termination. */
panic_str[sizeof(panic_str)-1] = '\0';
/* print panic message to console (if possible) */
if (crashed == 0) { if (crashed == 0) {
/* print panic message to console (if possible) */
crashed = 1; crashed = 1;
puts("******** SYSTEM FAILURE ********\n"); puts("*** RIOT kernel panic");
puts(message); puts(message);
#if DEVELHELP #if DEVELHELP
#ifdef MODULE_PS #ifdef MODULE_PS
@ -60,11 +51,10 @@ NORETURN void core_panic(int crash_code, const char *message)
puts(""); puts("");
#endif #endif
puts("******** RIOT HALTS HERE ********\n"); puts("*** halted.\n");
#else #else
puts("******** RIOT WILL REBOOT ********\n"); puts("*** rebooting...\n\n");
#endif #endif
puts("\n\n");
} }
/* disable watchdog and all possible sources of interrupts */ /* disable watchdog and all possible sources of interrupts */
disableIRQ(); disableIRQ();