PRIVATE void ser_debug(const int c)
{
serial_debug_active = 1;
switch(c)
{
case 'Q':
minix_shutdown(NULL);
NOT_REACHABLE;
#ifdef CONFIG_SMP
case 'B':
dump_bkl_usage();
break;
case 'b':
reset_bkl_usage();
break;
#endif
case '1':
ser_dump_proc();
break;
case '2':
ser_dump_queues();
break;
case '3':
ser_dump_segs();
break;
#ifdef CONFIG_SMP
case '4':
ser_dump_proc_cpu();
break;
#endif
#if DEBUG_TRACE
#define TOGGLECASE(ch, flag) \
case ch: { \
if(verboseflags & flag) { \
verboseflags &= ~flag; \
printf("%s disabled\n", #flag); \
} else { \
verboseflags |= flag; \
printf("%s enabled\n", #flag); \
} \
break; \
}
TOGGLECASE('8', VF_SCHEDULING)
TOGGLECASE('9', VF_PICKPROC)
#endif
#ifdef USE_APIC
case 'I':
dump_apic_irq_state();
break;
#endif
}
serial_debug_active = 0;
}
/*===========================================================================*
* minix_panic *
*===========================================================================*/
PUBLIC void minix_panic(char *mess,int nr)
{
/* The system has run aground of a fatal kernel error. Terminate execution. */
if (minix_panicing++) {
arch_monitor();
}
if (mess != NULL) {
kprintf("kernel panic: %s", mess);
if(nr != NO_NUM)
kprintf(" %d", nr);
kprintf("\n");
}
kprintf("kernel: ");
util_stacktrace();
/* Abort MINIX. */
minix_shutdown(NULL);
}
/*===========================================================================*
* panic *
*===========================================================================*/
PUBLIC void panic(const char *fmt, ...)
{
va_list arg;
/* The system has run aground of a fatal kernel error. Terminate execution. */
if (minix_panicing == ARE_PANICING) {
arch_monitor();
}
minix_panicing = ARE_PANICING;
if (fmt != NULL) {
printf("kernel panic: ");
va_start(arg, fmt);
vprintf(fmt, arg);
printf("\n");
}
printf("kernel: ");
util_stacktrace();
/* Abort MINIX. */
minix_shutdown(NULL);
}
/*===========================================================================*
* panic *
*===========================================================================*/
PUBLIC void panic(const char *fmt, ...)
{
va_list arg;
/* The system has run aground of a fatal kernel error. Terminate execution. */
if (minix_panicing == ARE_PANICING) {
reset();
}
minix_panicing = ARE_PANICING;
if (fmt != NULL) {
printf("kernel panic: ");
va_start(arg, fmt);
vprintf(fmt, arg);
printf("\n");
}
printf("kernel on CPU %d: ", cpuid);
util_stacktrace();
printf("current process : ");
proc_stacktrace(get_cpulocal_var(proc_ptr));
/* Abort MINIX. */
minix_shutdown(NULL);
}
