rom/kernel/kernel_panic.c

   1 /*
   2     Copyright © 1995-2013, The AROS Development Team. All rights reserved.
   3     $Id$
   4
   5     Desc:
   6 */
   7
   8 #include <aros/config.h>
   9 #include <asm/cpu.h>
  10
  11 #include <stdio.h>
  12
  13 #include "kernel_base.h"
  14 #include "kernel_debug.h"
  15
  16 /*
  17  * This definition allows to move this buffer away from .bss.
  18  * Can be used on native, by using, for example, zero page.
  19  * This condition is considered fatal, there's no return.
  20  */
  21 #ifndef KERNEL_PANIC_BUFFER
  22 static char panicBuffer[1024];
  23 #define KERNEL_PANIC_BUFFER panicBuffer
  24 #endif
  25
  26 void krnPanic(struct KernelBase *KernelBase,const char *fmt, ...)
  27 {
  28     const char *hdr = "Critical boot failure\n";
  29     char *ptr = KERNEL_PANIC_BUFFER;
  30     va_list ap;
  31
  32     /* Prepend the header */
  33     while (*hdr)
  34         *ptr++ = *hdr++;
  35
  36     /* vsprintf() here comes from librom.a */
  37     va_start(ap, fmt);
  38     vsprintf(ptr, fmt, ap);
  39     va_end(ap);
  40
  41     krnDisplayAlert(KERNEL_PANIC_BUFFER, KernelBase);
  42
  43 #if AROS_FLAVOUR & AROS_FLAVOUR_STANDALONE
  44     /* Hosted AROS may quit here */
  45     for (;;) HALT;
  46 #endif
  47 }