diff options
author | bde <bde@FreeBSD.org> | 1996-04-07 14:46:42 +0000 |
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committer | bde <bde@FreeBSD.org> | 1996-04-07 14:46:42 +0000 |
commit | dc93ac0bb9980ecb3febfcea7fd2960db0d08438 (patch) | |
tree | 21a6db7e8017afaebcec8bbb9889bb5d6076c006 /sys/i386 | |
parent | 76bf9ad0824580624fa9e6b290158f075f838711 (diff) | |
download | FreeBSD-src-dc93ac0bb9980ecb3febfcea7fd2960db0d08438.zip FreeBSD-src-dc93ac0bb9980ecb3febfcea7fd2960db0d08438.tar.gz |
Fixed devfs device names and numbers.
Fixed handling of unknown CMOS types - don't attach unrecognized devices.
Diffstat (limited to 'sys/i386')
-rw-r--r-- | sys/i386/isa/fd.c | 106 |
1 files changed, 71 insertions, 35 deletions
diff --git a/sys/i386/isa/fd.c b/sys/i386/isa/fd.c index 0493b24..91e6066 100644 --- a/sys/i386/isa/fd.c +++ b/sys/i386/isa/fd.c @@ -43,7 +43,7 @@ * SUCH DAMAGE. * * from: @(#)fd.c 7.4 (Berkeley) 5/25/91 - * $Id: fd.c,v 1.83 1996/03/31 18:04:51 joerg Exp $ + * $Id: fd.c,v 1.84 1996/04/02 04:51:04 scrappy Exp $ * */ @@ -246,9 +246,9 @@ static struct fd_data { int track; /* where we think the head is */ int options; /* user configurable options, see ioctl_fd.h */ int dkunit; /* disk stats unit number */ -#ifdef DEVFS - void *bdev; - void *cdev; +#ifdef DEVFS + void *bdevs[1 + NUMDENS + MAXPARTITIONS]; + void *cdevs[1 + NUMDENS + MAXPARTITIONS]; #endif } fd_data[NFD]; @@ -567,10 +567,11 @@ fdattach(struct isa_device *dev) int fdsu, st0, st3, i, unithasfd; struct isa_device *fdup; int ic_type = 0; -#ifdef DEVFS +#ifdef DEVFS int mynor; - char name[64]; -#endif /* DEVFS */ + int typemynor; + int typesize; +#endif fdc->fdcu = fdcu; fdc->flags |= FDC_ATTACHED; @@ -715,18 +716,12 @@ fdattach(struct isa_device *dev) fd->type = FD_1200; kdc_fd[fdu].kdc_description = "1.2MB (1200K) 5.25in floppy disk drive"; -#ifdef DEVFS - sprintf(name,"rfd%d.1200",fdu); -#endif /* DEVFS */ break; case RTCFDT_144M: printf("1.44MB 3.5in\n"); fd->type = FD_1440; kdc_fd[fdu].kdc_description = "1.44MB (1440K) 3.5in floppy disk drive"; -#ifdef DEVFS - sprintf(name,"rfd%d.1440",fdu); -#endif /* DEVFS */ break; case RTCFDT_288M: case RTCFDT_288M_1: @@ -734,47 +729,88 @@ fdattach(struct isa_device *dev) fd->type = FD_1440; kdc_fd[fdu].kdc_description = "2.88MB (2880K) 3.5in floppy disk drive in 1.44 mode"; -#ifdef DEVFS - sprintf(name,"rfd%d.1440",fdu); -#endif /* DEVFS */ break; case RTCFDT_360K: printf("360KB 5.25in\n"); fd->type = FD_360; kdc_fd[fdu].kdc_description = "360KB 5.25in floppy disk drive"; -#ifdef DEVFS - sprintf(name,"rfd%d.360",fdu); -#endif /* DEVFS */ break; case RTCFDT_720K: printf("720KB 3.5in\n"); fd->type = FD_720; kdc_fd[fdu].kdc_description = "720KB 3.5in floppy disk drive"; -#ifdef DEVFS - sprintf(name,"rfd%d.720",fdu); -#endif /* DEVFS */ break; default: printf("unknown\n"); fd->type = NO_TYPE; -#ifdef DEVFS - sprintf(name,"rfd%d.xxxx",fdu); -#endif /* DEVFS */ - break; + dev_detach(&kdc_fd[fdu]); + continue; } kdc_fd[fdu].kdc_state = DC_IDLE; #ifdef DEVFS - mynor = 8 * fdu; - fd->bdev = devfs_add_devswf(&fd_bdevsw, mynor, DV_BLK, - UID_ROOT, GID_OPERATOR, 0640, - "%s", name + 1); - fd->cdev = devfs_add_devswf(&fd_cdevsw, mynor, DV_CHR, - UID_ROOT, GID_OPERATOR, 0640, - "%s", name); - devfs_link(fd->bdev, "fd%d", fdu); - devfs_link(fd->cdev, "rfd%d", fdu); + mynor = fdu << 6; + fd->bdevs[0] = devfs_add_devswf(&fd_bdevsw, mynor, DV_BLK, + UID_ROOT, GID_OPERATOR, 0640, + "fd%d", fdu); + fd->cdevs[0] = devfs_add_devswf(&fd_cdevsw, mynor, DV_CHR, + UID_ROOT, GID_OPERATOR, 0640, + "rfd%d", fdu); + for (i = 1; i < 1 + NUMDENS; i++) { + /* + * XXX this and the lookup in Fdopen() should be + * data driven. + */ + switch (fd->type) { + case FD_360: + if (i != FD_360) + continue; + break; + case FD_720: + if (i != FD_720 && i != FD_800 && i != FD_820) + continue; + break; + case FD_1200: + if (i != FD_360 && i != FD_720 && i != FD_800 + && i != FD_820 && i != FD_1200 + && i != FD_1440 && i != FD_1480) + continue; + break; + case FD_1440: + if (i != FD_720 && i != FD_800 && i != FD_820 + && i != FD_1200 && i != FD_1440 + && i != FD_1480 && i != FD_1720) + continue; + break; + } + typemynor = mynor | i; + typesize = fd_types[i - 1].size / 2; + /* + * XXX all these conversions give bloated code and + * confusing names. + */ + if (typesize == 1476) + typesize = 1480; + if (typesize == 1722) + typesize = 1720; + fd->bdevs[i] = + devfs_add_devswf(&fd_bdevsw, typemynor, DV_BLK, + UID_ROOT, GID_OPERATOR, 0640, + "fd%d.%d", fdu, typesize); + fd->cdevs[i] = + devfs_add_devswf(&fd_cdevsw, typemynor, DV_CHR, + UID_ROOT, GID_OPERATOR, 0640, + "rfd%d.%d", fdu, typesize); + } + for (i = 0; i < MAXPARTITIONS; i++) { + fd->bdevs[1 + NUMDENS + i] = + devfs_link(fd->bdevs[0], + "fd%d%c", fdu, 'a' + i); + fd->cdevs[1 + NUMDENS + i] = + devfs_link(fd->cdevs[0], + "rfd%d%c", fdu, 'a' + i); + } #endif /* DEVFS */ if (dk_ndrive < DK_NDRIVE) { sprintf(dk_names[dk_ndrive], "fd%d", fdu); |