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(f, fname, file) 18 struct open_file *f; 19 const char *fname; 20 char **file; 21 { 22 struct devsw *dp; 23 int error; 24 25 *file = (char*)fname; 26 dp = &devsw[0]; 27 f->f_dev = dp; 28 error = (*dp->dv_open)(f, NULL); 29 30 return (error); 31 } 32