text: /*	$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));
  }
  