Annotation of sys/arch/jornada/jornada/autoconf.c, Revision 1.1.1.1
1.1 nbrk 1: /* $OpenBSD: autoconf.c,v 1.9 2007/06/01 19:25:09 deraadt Exp $ */
2: /* $NetBSD: autoconf.c,v 1.2 2001/09/05 16:17:36 matt Exp $ */
3:
4: /*
5: * Copyright (c) 1994-1998 Mark Brinicombe.
6: * Copyright (c) 1994 Brini.
7: * All rights reserved.
8: *
9: * Redistribution and use in source and binary forms, with or without
10: * modification, are permitted provided that the following conditions
11: * are met:
12: * 1. Redistributions of source code must retain the above copyright
13: * notice, this list of conditions and the following disclaimer.
14: * 2. Redistributions in binary form must reproduce the above copyright
15: * notice, this list of conditions and the following disclaimer in the
16: * documentation and/or other materials provided with the distribution.
17: * 3. All advertising materials mentioning features or use of this software
18: * must display the following acknowledgement:
19: * This product includes software developed by Mark Brinicombe for
20: * the NetBSD project.
21: * 4. The name of the company nor the name of the author may be used to
22: * endorse or promote products derived from this software without specific
23: * prior written permission.
24: *
25: * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
26: * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
27: * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
28: * IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
29: * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
30: * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
31: * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
32: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
33: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
34: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
35: * SUCH DAMAGE.
36: *
37: * RiscBSD kernel project
38: *
39: * autoconf.c
40: *
41: * Autoconfiguration functions
42: */
43:
44: #include <sys/param.h>
45: #include <sys/systm.h>
46: #include <sys/reboot.h>
47: #include <sys/disklabel.h>
48: #include <sys/device.h>
49: #include <sys/conf.h>
50: #include <sys/kernel.h>
51: #include <sys/malloc.h>
52:
53: #include <uvm/uvm_extern.h>
54:
55: #include <machine/bootconfig.h>
56: #include <machine/intr.h>
57: #include <dev/cons.h>
58:
59: struct device *booted_device;
60: int booted_partition;
61: struct device *bootdv = NULL;
62: extern char *boot_file;
63:
64: void dumpconf(void);
65:
66: void
67: device_register(struct device *dev, void *aux)
68: {
69: }
70:
71: /*
72: * void cpu_configure()
73: *
74: * Configure all the root devices
75: * The root devices are expected to configure their own children
76: */
77: void
78: cpu_configure(void)
79: {
80: softintr_init();
81:
82: /*
83: * Since various PCI interrupts could be routed via the ICU
84: * (for PCI devices in the bridge) we need to set up the ICU
85: * now so that these interrupts can be established correctly
86: * i.e. This is a hack.
87: */
88:
89: config_rootfound("mainbus", NULL);
90:
91: /*
92: * We can not know which is our root disk, defer
93: * until we can checksum blocks to figure it out.
94: */
95: cold = 0;
96:
97: /* Time to start taking interrupts so lets open the flood gates .... */
98: (void)spl0();
99:
100: }
101:
102: /*
103: * Now that we are fully operational, we can checksum the
104: * disks, and using some heuristics, hopefully are able to
105: * always determine the correct root disk.
106: */
107: void
108: diskconf(void)
109: {
110: dev_t tmpdev;
111:
112: #if 0
113: /*
114: * Configure root, swap, and dump area. This is
115: * currently done by running the same checksum
116: * algorithm over all known disks, as was done in
117: * /boot. Then we basically fixup the *dev vars
118: * from the info we gleaned from this.
119: */
120: dkcsumattach();
121: #endif
122:
123: /* Lookup boot device from boot if not set by configuration */
124: if (bootdv == NULL) {
125: int len;
126: char *p;
127:
128: /* boot_file is of the form wd0a:/bsd, we want 'wd0a' */
129: if ((p = strchr(boot_file, ':')) != NULL)
130: len = p - boot_file;
131: else
132: len = strlen(boot_file);
133:
134: bootdv = parsedisk(boot_file, len, 0, &tmpdev);
135: }
136: if (bootdv == NULL)
137: printf("boot device: lookup '%s' failed.\n", boot_file);
138: else
139: printf("boot device: %s\n", bootdv->dv_xname);
140: setroot(bootdv, 0, RB_USERREQ);
141: dumpconf();
142: }
143:
144: struct nam2blk nam2blk[] = {
145: { "wd", 16 },
146: { "sd", 24 },
147: { "cd", 26 },
148: { "rd", 18 },
149: { "raid", 71 },
150: { NULL, -1 }
151: };
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