sys/arch/mvme68k/stand/netboot/devopen.c

   1 /*      $NetBSD: devopen.c,v 1.2 2000/07/24 18:39:50 jdolecek Exp $     */
   2
   3 #include <sys/param.h>
   4 #include <stand.h>
   5
   6 /*
   7  * Open the device named by the combined device/file name
   8  * given as the "fname" arg, something like: "sd()bsd"
   9  *
  10  * However, Sun PROMs don't really let you choose which
  11  * device you will talk to.  You can only open the device
  12  * that was used to load the boot program.  Therefore, we
  13  * do not accept a "device" part in the "fname" string.
  14  * Pass the PROM device name to open in case it needs it.
  15  */
  16 int
  17 devopen(struct open_file *f, const char *fname, char **file)
  18 {
  19         struct devsw *dp;
  20         int error;
  21
  22         *file = (char *)fname;
  23         dp = &devsw[0];
  24         f->f_dev = dp;
  25         error = (*dp->dv_open)(f, NULL);
  26
  27         return error;
  28 }