Aren/NetBSD
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Set `bootdv' if booted from the floppy drive.

Browse Source
This commit is contained in:
pk 1995-08-18 10:30:16 +00:00
parent d21f86df37
commit ffbae23b6e
1 changed files with 16 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

22
sys/arch/sparc/dev/fd.c
View File

@ -1,4 +1,4 @@
/* $NetBSD: fd.c,v 1.9 1995/07/05 13:34:10 pk Exp $ */
/* $NetBSD: fd.c,v 1.10 1995/08/18 10:30:16 pk Exp $ */
/*-
* Copyright (c) 1993, 1994, 1995 Charles Hannum.
@ -227,6 +227,8 @@ void fdfinish __P((struct fd_softc *fd, struct buf *bp));
#error 4
#endif
#define OBP_FDNAME (cputyp == CPU_SUN4M ? "SUNW,fdtwo" : "fd")
int
fdcmatch(parent, match, aux)
struct device *parent;
@ -236,8 +238,8 @@ fdcmatch(parent, match, aux)
register struct confargs *ca = aux;
register struct romaux *ra = &ca->ca_ra;
/* Sun PROMs call the controller an "fd" */
if (strcmp("fd", ra->ra_name))
/* Sun PROMs call the controller an "fd" or "SUNW,fdtwo" */
if (strcmp(OBP_FDNAME, ra->ra_name))
return (0);
if (ca->ca_bustype == BUS_MAIN) {
if (ca->ca_ra.ra_vaddr &&
@ -388,6 +390,16 @@ fdcattach(parent, self, aux)
printf(" pri %d, softpri %d: chip 8207%c\n", pri, PIL_FDSOFT, code);
/*
* Controller and drives are represented by one and the same
* Openprom node, so we can as well check for the floppy boots here.
*/
if (ca->ca_ra.ra_bp &&
strcmp(ca->ca_ra.ra_bp->name, OBP_FDNAME) == 0 &&
ca->ca_ra.ra_bp->val[0] == 0 &&
ca->ca_ra.ra_bp->val[1] == 0)
bootdv = &fdc->sc_dk.dk_dev;
/* physical limit: four drives per controller. */
for (fa.fa_drive = 0; fa.fa_drive < 4; fa.fa_drive++) {
fa.fa_deftype = NULL; /* unknown */
@ -490,11 +502,9 @@ fdattach(parent, self, aux)
fd->sc_deftype = type;
fdc->sc_fd[drive] = fd;
fd->sc_dk.dk_driver = &fddkdriver;
#if 0
/* XXX Need to do some more fiddling with sc_dk. */
/* XXX sparc's dk_establish is bogus */
dk_establish(&fd->sc_dk, &fd->sc_dk.dk_dev);
#endif
}
inline struct fd_type *