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File: [local] / sys / arch / mvme88k / stand / libbug / diskrd.c (download)
Revision 1.1, Tue Mar 4 16:04:35 2008 UTC (16 years, 4 months ago) by nbrk
Initial revision |
/* $OpenBSD: diskrd.c,v 1.4 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: success, nonzero: error */ int mvmeprom_diskrd(arg) struct mvmeprom_dskio *arg; { int ret; asm volatile ("or r2,r0,%0": : "r" (arg)); MVMEPROM_CALL(MVMEPROM_DSKRD); asm volatile ("or %0,r0,r2" : "=r" (ret)); return ((ret & 0x8)); }