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/* $OpenBSD: instat.c,v 1.3 2003/09/07 21:35:35 miod Exp $ */
/*
* bug routines -- assumes that the necessary sections of memory
* are preserved.
*/
#include <sys/types.h>
#include <machine/prom.h>
#include "prom.h"
/* returns 0 if no characters ready to read */
int
mvmeprom_instat()
{
short ret;
MVMEPROM_CALL(MVMEPROM_INSTAT);
asm volatile ("or %0,r0,r2" : "=r" (ret));
return (!(ret & 0x4));
}
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