fault.c
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#include <ultra64.h>
#include "cpu.h"
#define THREAD_HIT_BREAK 1
#define THREAD_HIT_FAULT 2
#define THREAD_HIT_TLB 4
extern OSThread *__osGetActiveQueue(void);
extern OSThread *__osRunningThread;
/*
* Find faulted thread in the active queue
* The exception handler sets the thread "flags" when it detects a fault.
*/
OSThread *
FindFaultedThread( void )
{
register OSThread * tptr = __osGetActiveQueue();
while ( tptr->priority != -1 ) {
/* This thread either hit a breakpoint or fault */
if ( tptr->flags & (THREAD_HIT_BREAK|THREAD_HIT_FAULT|THREAD_HIT_TLB)) {
/*
XDEBUG(PRINTF( "Brk/Fault in thread %d @ %08x\r\n",
tptr->id, tptr->context.pc));
*/
return(tptr);
}
tptr = tptr->tlnext;
} /* while */
return((OSThread *)NULL);
} /* __osFindFaultedThread */
void
RegisterNoFault(u32 *buf)
{
__osFault.nofault = buf;
__osFault.thread = __osRunningThread;
}
void
ClearNoFault(void)
{
__osFault.nofault = 0;
__osFault.thread = (OSThread *)NULL;
}