2 * Copyright (c) 1998 Michael Smith <msmith@freebsd.org>
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 #include <sys/cdefs.h>
28 __FBSDID("$FreeBSD$");
30 #include <sys/disklabel.h>
35 #include "bootstrap.h"
37 #include "ps3devdesc.h"
39 static int ps3_parsedev(struct ps3_devdesc **dev, const char *devspec,
43 * Point (dev) at an allocated device specifier for the device matching the
44 * path in (devspec). If it contains an explicit device specification,
45 * use that. If not, use the default device.
48 ps3_getdev(void **vdev, const char *devspec, const char **path)
50 struct ps3_devdesc **dev = (struct ps3_devdesc **)vdev;
54 * If it looks like this is just a path and no
55 * device, go with the current device.
57 if ((devspec == NULL) || (devspec[0] == '/') ||
58 (strchr(devspec, ':') == NULL)) {
59 rv = ps3_parsedev(dev, getenv("currdev"), NULL);
61 if (rv == 0 && path != NULL)
67 * Try to parse the device name off the beginning of the devspec.
69 return (ps3_parsedev(dev, devspec, path));
73 * Point (dev) at an allocated device specifier matching the string version
74 * at the beginning of (devspec). Return a pointer to the remaining
77 * In all cases, the beginning of (devspec) is compared to the names
78 * of known devices in the device switch, and then any following text
79 * is parsed according to the rules applied to the device type.
81 * For disk-type devices, the syntax is:
83 * disk<unit>[<partition>]:
87 ps3_parsedev(struct ps3_devdesc **dev, const char *devspec, const char **path)
89 struct ps3_devdesc *idev;
93 int i, unit, pnum, ptype, err;
95 /* minimum length check */
96 if (strlen(devspec) < 2)
99 /* look for a device that matches */
100 for (i = 0, dv = NULL; devsw[i] != NULL; i++) {
101 if (!strncmp(devspec, devsw[i]->dv_name,
102 strlen(devsw[i]->dv_name))) {
109 idev = malloc(sizeof(struct ps3_devdesc));
111 np = (devspec + strlen(dv->dv_name));
113 switch(dv->dv_type) {
121 if (*np && (*np != ':')) {
122 /* next comes the unit number */
123 unit = strtol(np, &cp, 10);
128 if (*cp && (*cp != ':')) {
130 if (*cp == 'p' && *(cp + 1) &&
132 pnum = strtol(cp + 1, &cp, 10);
136 ptype = PTYPE_BSDLABEL;
138 (pnum >= MAXPARTITIONS)) {
146 if (*cp && (*cp != ':')) {
152 idev->d_disk.pnum = pnum;
153 idev->d_disk.ptype = ptype;
154 idev->d_disk.data = NULL;
156 *path = (*cp == 0) ? cp : cp + 1;
162 * PS3 only has one network interface (well, two, but
163 * netbooting over wireless is not something I'm going
175 idev->d_type = dv->dv_type;
190 ps3_fmtdev(void *vdev)
192 struct ps3_devdesc *dev = (struct ps3_devdesc *)vdev;
194 static char buf[128];
196 switch(dev->d_type) {
198 strcpy(buf, "(no device)");
203 cp += sprintf(cp, "%s%d", dev->d_dev->dv_name, dev->d_unit);
204 if (dev->d_kind.disk.pnum >= 0) {
205 if (dev->d_kind.disk.ptype == PTYPE_BSDLABEL)
206 cp += sprintf(cp, "%c",
207 dev->d_kind.disk.pnum + 'a');
208 else if (dev->d_kind.disk.ptype == PTYPE_GPT)
209 cp += sprintf(cp, "p%i",
210 dev->d_kind.disk.pnum);
218 sprintf(buf, "%s%d:", dev->d_dev->dv_name, dev->d_unit);
225 * Set currdev to suit the value being supplied in (value).
228 ps3_setcurrdev(struct env_var *ev, int flags, const void *value)
230 struct ps3_devdesc *ncurr;
233 if ((rv = ps3_parsedev(&ncurr, value, NULL)) != 0)
236 env_setenv(ev->ev_name, flags | EV_NOHOOK, value, NULL, NULL);