Annotation of sys/arch/mvmeppc/stand/libbug/instat.c, Revision 1.1.1.1
1.1 nbrk 1: /* $OpenBSD: instat.c,v 1.3 2004/01/24 21:12:38 miod Exp $ */
2:
3: /*
4: * bug routines -- assumes that the necessary sections of memory
5: * are preserved.
6: */
7: #include <sys/types.h>
8:
9: #include "libbug.h"
10:
11: /* returns 0 if no characters ready to read */
12: int
13: mvmeprom_instat()
14: {
15: int ret;
16:
17: MVMEPROM_CALL(MVMEPROM_INSTAT);
18: asm volatile ("mr %0, 3" : "=r" (ret));
19: return (!(ret & 0x4));
20: }
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