/*
* Copyright (c) 1992 OMRON Corporation.
*
* This code is derived from software contributed to Berkeley by
* OMRON Corporation.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* @(#)conf.c 8.1 (Berkeley) 6/10/93
*/
/*
* Copyright (c) 1992, 1993
* The Regents of the University of California. All rights reserved.
*
* This code is derived from software contributed to Berkeley by
* OMRON Corporation.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* @(#)conf.c 8.1 (Berkeley) 6/10/93
*/
int
devopen(struct open_file *f, const char *fname, char **file)
{
int dev, unit, part;
int error;
struct devsw *dp;
int i;
if (make_device(fname, &dev, &unit, &part, file) != 0)
return ENXIO;
#ifdef DEBUG
printf("%s: %s(%d,%d)%s\n", __func__,
devsw[dev].dv_name, unit, part, *file);
#endif
dp = &devsw[dev];
error = (*dp->dv_open)(f, unit, part);
if (error != 0) {
#ifdef DEBUG
printf("%s: open %s(%d,%d)%s failed (%s)\n", __func__,
devsw[dev].dv_name, unit, part, *file, strerror(error));
#endif
return error;
}
for (i = 0; i < nfsys_disk; i++)
file_system[i] = file_system_disk[i];
nfsys = nfsys_disk;
#ifdef SUPPORT_ETHERNET
if (strcmp(dp->dv_name, "le") == 0) {
/* XXX mixing local fs_ops on netboot could be troublesome */
file_system[0] = file_system_nfs[0];
nfsys = 1;
}
#endif
f->f_dev = dp;
return 0;
}
int
make_device(const char *str, int *devp, int *unitp, int *partp, char **fname)
{
const char *cp;
struct devsw *dp;
int dev, unit, part;
int i;
char devname[MAXDEVNAME + 1];
bool haveunit;
unit = 0;
part = 0;
/*
* parse path strings
*/
/* find end of dev type name */
for (cp = str, i = 0; *cp != '\0' && *cp != '(' && i < MAXDEVNAME; i++)
devname[i] = *cp++;
if (*cp != '(') {
/* no device name is specified; assume default */
cp = str;
/* compare dev type name */
for (dp = devsw; dp->dv_name; dp++)
if (!strcmp(default_bootdev, dp->dv_name))
break;
if (dp->dv_name == NULL) {
return -1;
}
dev = dp - devsw;
unit = default_unit;
} else {
devname[i] = '\0';
/* compare dev type name */
for (dp = devsw; dp->dv_name; dp++)
if (!strcmp(devname, dp->dv_name))
break;
cp++;
if (dp->dv_name == NULL) {
return -1;
}
dev = dp - devsw;
/* get mixed controller and unit number */
haveunit = false;
for (; *cp != ',' && *cp != ')'; cp++) {
if (*cp == '\0')
return -1;
if (*cp >= '0' && *cp <= '9') {
unit = unit * 10 + *cp - '0';
haveunit = true;
}
}
if (unit < 0 || CTLR(unit) >= 2 || TARGET(unit) > 7) {
#ifdef DEBUG
printf("%s: invalid unit number (%d)\n",
__func__, unit);
#endif
return -1;
}
if (!haveunit && strcmp(devname, default_bootdev) == 0)
unit = default_unit;
/* get optional partition number */
if (*cp == ',')
cp++;
for (; /* *cp != ',' && */ *cp != ')'; cp++) {
if (*cp == '\0')
return -1;
if (*cp >= '0' && *cp <= '9')
part = part * 10 + *cp - '0';
}
if (part < 0 || part >= MAXPARTITIONS) {
#ifdef DEBUG
printf("%s: invalid partition number (%d)\n",
__func__, part);
#endif
return -1;
}
cp++;
}
/* check out end of dev spec */
*devp = dev;
*unitp = unit;
*partp = part;
if (fname != NULL) {
if (*cp == '\0')
*fname = "netbsd";
else
*fname = __UNCONST(cp); /* XXX */
}
#ifdef DEBUG
printf("%s: dev = %d, unit = %d, part = %d, fname = %s\n",
__func__, dev, unit, part, fname != NULL ? *fname : "");
#endif
