diff options
Diffstat (limited to 'sys/arch/vax/stand/mfm.c')
| -rw-r--r-- | sys/arch/vax/stand/mfm.c | 22 |
1 files changed, 18 insertions, 4 deletions
diff --git a/sys/arch/vax/stand/mfm.c b/sys/arch/vax/stand/mfm.c index 09ddbee59ba..65f05f1c0b6 100644 --- a/sys/arch/vax/stand/mfm.c +++ b/sys/arch/vax/stand/mfm.c @@ -1,5 +1,5 @@ -/* $OpenBSD: mfm.c,v 1.2 1997/05/29 00:04:23 niklas Exp $ */ -/* $NetBSD: mfm.c,v 1.1 1996/08/02 11:22:16 ragge Exp $ */ +/* $OpenBSD: mfm.c,v 1.3 1998/02/03 11:48:27 maja Exp $ */ +/* $NetBSD: mfm.c,v 1.2 1997/03/15 13:04:28 ragge Exp $ */ /* * Copyright (c) 1996 Ludd, University of Lule}, Sweden. * All rights reserved. @@ -334,6 +334,7 @@ volatile struct mfm_xbn { short checksum; /* checksum over the XBN */ } mfm_xbn; +#ifdef verbose display_xbn(p) struct mfm_xbn *p; { @@ -351,6 +352,7 @@ display_xbn(p) printf("serial: %d, checksum: %d, size: %d, reserved: %32c\n", p->serial_number, p->checksum, sizeof(*p), p->reserved); } +#endif mfmopen(f, adapt, ctlr, unit, part) struct open_file *f; @@ -383,6 +385,7 @@ mfmopen(f, adapt, ctlr, unit, part) /* mfmstrategy(msc, F_READ, -16, 8192, io_buf, &i); */ mfmstrategy(msc, F_READ, -16, 512, io_buf, &i); +#ifdef verbose printf("dumping raw disk-block #0:\n"); ucp = io_buf; for (k = 0; k < 128; k++) { @@ -399,33 +402,42 @@ mfmopen(f, adapt, ctlr, unit, part) xp = (void *) io_buf; display_xbn(xp); printf("\n"); - +#endif } if (unit == 2) { /* floppy! */ if (lp->d_ntracks != 2) { +#ifdef verbose printf("changing number of tracks from %d to %d.\n", lp->d_ntracks, 2); +#endif lp->d_ntracks = 2; } } else { /* hard-disk */ unsigned short *usp = (void *) io_buf; +#ifdef verbose printf("label says: s/t/c = %d/%d/%d\n", lp->d_nsectors, lp->d_ntracks, lp->d_ncylinders); - +#endif if (lp->d_nsectors != usp[13]) { +#ifdef verbose printf("changing number of sectors from %d to %d.\n", lp->d_nsectors, usp[13]); +#endif lp->d_nsectors = usp[13]; } if (lp->d_ntracks != usp[14]) { +#ifdef verbose printf("changing number of heads/tracks from %d to %d.\n", lp->d_ntracks, usp[14]); +#endif lp->d_ntracks = usp[14]; } if (lp->d_ncylinders != usp[15]) { +#ifdef verbose printf("changing number of cylinders from %d to %d.\n", lp->d_ncylinders, usp[15]); +#endif lp->d_ncylinders = usp[15]; } lp->d_secpercyl = lp->d_nsectors * lp->d_ntracks; @@ -561,9 +573,11 @@ mfm_rdstrategy(msc, func, dblk, size, buf, rsize) sect = sect % lp->d_nsectors; if (dblk < 0) { +#ifdef verbose printf("using raw diskblock-data!\n"); printf("block %d, dblk %d ==> cyl %d, head %d, sect %d\n", block, dblk, cyl, sect, head); +#endif } else cyl += 1; /* first cylinder is reserved for * controller! */ |