diff options
Diffstat (limited to 'sys/arch/hp300/stand/devopen.c')
| -rw-r--r-- | sys/arch/hp300/stand/devopen.c | 89 |
1 files changed, 72 insertions, 17 deletions
diff --git a/sys/arch/hp300/stand/devopen.c b/sys/arch/hp300/stand/devopen.c index fe22240ed69..4742a44d424 100644 --- a/sys/arch/hp300/stand/devopen.c +++ b/sys/arch/hp300/stand/devopen.c @@ -1,6 +1,8 @@ -/* $NetBSD: devopen.c,v 1.5 1995/08/05 16:47:41 thorpej Exp $ */ +/* $OpenBSD: devopen.c,v 1.2 1997/01/17 08:32:43 downsj Exp $ */ +/* $NetBSD: devopen.c,v 1.7 1996/10/14 07:31:47 thorpej Exp $ */ /*- + * Copyright (c) 1996 Jason R. Thorpe. All rights reserved. * Copyright (c) 1993 John Brezak * All rights reserved. * @@ -61,10 +63,35 @@ devlookup(d, len) struct devsw *dp = devsw; int i; - for (i = 0; i < ndevs; i++, dp++) - if (dp->dv_name && strncmp(dp->dv_name, d, len) == 0) + for (i = 0; i < ndevs; i++, dp++) { + if (dp->dv_name && strncmp(dp->dv_name, d, len) == 0) { + /* + * Set the filesystem and startup up according to the device + * being opened. + */ + switch (i) { + case 0: /* ct */ + bcopy(file_system_rawfs, file_system, sizeof(struct fs_ops)); + break; + + case 2: /* rd */ + case 4: /* sd */ + bcopy(file_system_ufs, file_system, sizeof(struct fs_ops)); + break; + + case 6: /* le */ + bcopy(file_system_nfs, file_system, sizeof(struct fs_ops)); + break; + + default: + /* Agh! What happened?! */ + goto bad; + } return(i); + } + } + bad: printf("No such device - Configured devices are:\n"); for (dp = devsw, i = 0; i < ndevs; i++, dp++) if (dp->dv_name) @@ -88,7 +115,7 @@ devparse(fname, dev, adapt, ctlr, unit, part, file) { int *argp, i; char *s, *args[4]; - + /* get device name and make lower case */ for (s = (char *)fname; *s && *s != '/' && *s != ':' && *s != '('; s++) if (isupper(*s)) *s = tolower(*s); @@ -132,7 +159,7 @@ devparse(fname, dev, adapt, ctlr, unit, part, file) /* second form */ else if (*s == ':') { - int unit; + int temp; /* isolate device */ for (s = (char *)fname; *s != ':' && !isdigit(*s); s++); @@ -142,10 +169,10 @@ devparse(fname, dev, adapt, ctlr, unit, part, file) goto baddev; /* isolate unit */ - if ((unit = atoi(s)) > 255) + if ((temp = atoi(s)) > 255) goto bad; - *adapt = unit / 8; - *ctlr = unit % 8; + *adapt = temp / 8; + *ctlr = temp % 8; for (; isdigit(*s); s++); /* translate partition */ @@ -187,24 +214,52 @@ devopen(f, fname, file) ctlr = B_CONTROLLER(bootdev); unit = B_UNIT(bootdev); part = B_PARTITION(bootdev); - + if (error = devparse(fname, &dev, &adapt, &ctlr, &unit, &part, file)) return(error); - + + /* + * Set up filesystem type based on what device we're opening. + */ + switch (dev) { + case 0: /* ct */ + bcopy(file_system_rawfs, file_system, sizeof(struct fs_ops)); + break; + + case 2: /* rd */ + case 4: /* sd */ + bcopy(file_system_ufs, file_system, sizeof(struct fs_ops)); + break; + + case 6: /* le */ + bcopy(file_system_nfs, file_system, sizeof(struct fs_ops)); + break; + + default: + /* XXX what else should we do here? */ + printf("WARNING: BOGUS BOOT DEV TYPE 0x%x!\n", dev); + return (EIO); + } + dp = &devsw[dev]; if (!dp->dv_open) return(ENODEV); - opendev = MAKEBOOTDEV(dev, adapt, ctlr, unit, part); - f->f_dev = dp; - - if ((error = (*dp->dv_open)(f, adapt, ctlr, part)) == 0) - return(0); - + + if ((error = (*dp->dv_open)(f, adapt, ctlr, part)) == 0) { + if ((error = + (*punitsw[dev].p_punit)(adapt, ctlr, &unit)) != 0) { + goto bad; + } + opendev = MAKEBOOTDEV(dev, adapt, ctlr, unit, part); + return(0); + } + + bad: printf("%s(%d,%d,%d,%d): %s\n", devsw[dev].dv_name, adapt, ctlr, unit, part, strerror(error)); return(error); -} +} |