Annotation of src/sys/arch/cats/cats/autoconf.c, Revision 1.9
1.9 ! chris 1: /* $NetBSD: autoconf.c,v 1.8 2005/01/02 22:47:26 chris Exp $ */
1.1 chris 2:
3: /*
4: * Copyright (c) 1994-1998 Mark Brinicombe.
5: * Copyright (c) 1994 Brini.
6: * All rights reserved.
7: *
8: * Redistribution and use in source and binary forms, with or without
9: * modification, are permitted provided that the following conditions
10: * are met:
11: * 1. Redistributions of source code must retain the above copyright
12: * notice, this list of conditions and the following disclaimer.
13: * 2. Redistributions in binary form must reproduce the above copyright
14: * notice, this list of conditions and the following disclaimer in the
15: * documentation and/or other materials provided with the distribution.
16: * 3. All advertising materials mentioning features or use of this software
17: * must display the following acknowledgement:
18: * This product includes software developed by Mark Brinicombe for
19: * the NetBSD project.
20: * 4. The name of the company nor the name of the author may be used to
21: * endorse or promote products derived from this software without specific
22: * prior written permission.
23: *
24: * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
25: * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
26: * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
27: * IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
28: * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
29: * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
30: * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
31: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
32: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
33: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34: * SUCH DAMAGE.
35: *
36: * RiscBSD kernel project
37: *
38: * autoconf.c
39: *
40: * Autoconfiguration functions
41: */
1.6 lukem 42:
43: #include <sys/cdefs.h>
1.9 ! chris 44: __KERNEL_RCSID(0, "$NetBSD: autoconf.c,v 1.8 2005/01/02 22:47:26 chris Exp $");
1.1 chris 45:
46: #include "opt_md.h"
47:
48: #include <sys/param.h>
49: #include <sys/systm.h>
50: #include <sys/reboot.h>
51: #include <sys/disklabel.h>
52: #include <sys/device.h>
53: #include <sys/conf.h>
54: #include <sys/kernel.h>
55: #include <sys/malloc.h>
56: #include <machine/bootconfig.h>
1.2 matt 57: #include <machine/intr.h>
1.1 chris 58:
59: #include "isa.h"
60:
1.9 ! chris 61: void isa_intr_init(void);
1.1 chris 62:
1.9 ! chris 63: static void get_device(const char *name);
! 64: static void set_root_device(void);
1.1 chris 65:
66: /* Decode a device name to a major and minor number */
67:
68: static void
1.9 ! chris 69: get_device(const char *name)
1.1 chris 70: {
1.3 gehenna 71: int unit, part;
1.9 ! chris 72: char devname[16], buf[32];
! 73: const char *cp;
1.1 chris 74: struct device *dv;
75:
76: if (strncmp(name, "/dev/", 5) == 0)
77: name += 5;
78:
1.3 gehenna 79: if (devsw_name2blk(name, devname, sizeof(devname)) == -1)
80: return;
81:
82: name += strlen(devname);
83: unit = part = 0;
84:
85: cp = name;
86: while (*cp >= '0' && *cp <= '9')
87: unit = (unit * 10) + (*cp++ - '0');
88: if (cp == name)
89: return;
90:
91: if (*cp >= 'a' && *cp <= ('a' + MAXPARTITIONS))
92: part = *cp - 'a';
93: else if (*cp != '\0' && *cp != ' ')
94: return;
95: sprintf(buf, "%s%d", devname, unit);
1.8 chris 96: TAILQ_FOREACH(dv, &alldevs, dv_list) {
1.3 gehenna 97: if (strcmp(buf, dv->dv_xname) == 0) {
98: booted_device = dv;
99: booted_partition = part;
100: return;
1.1 chris 101: }
1.3 gehenna 102: }
1.1 chris 103: }
104:
105: static void
106: set_root_device()
107: {
108: char *ptr;
109:
110: if (boot_file)
111: get_device(boot_file);
112: if (boot_args &&
113: get_bootconf_option(boot_args, "root", BOOTOPT_TYPE_STRING, &ptr))
114: get_device(ptr);
115: }
116:
117: /*
118: * Set up the root device from the boot args
119: */
120: void
121: cpu_rootconf(void)
122: {
123: set_root_device();
124: printf("boot device: %s\n",
125: booted_device != NULL ? booted_device->dv_xname : "<unknown>");
126: setroot(booted_device, booted_partition);
127: }
128:
129:
130: /*
131: * void cpu_configure()
132: *
133: * Configure all the root devices
134: * The root devices are expected to configure their own children
135: */
1.4 chris 136: extern int footbridge_imask[NIPL];
137:
1.1 chris 138: void
139: cpu_configure(void)
140: {
1.4 chris 141: softintr_init();
1.1 chris 142: /*
143: * Since various PCI interrupts could be routed via the ICU
144: * (for PCI devices in the bridge) we need to set up the ICU
145: * now so that these interrupts can be established correctly
146: * i.e. This is a hack.
147: */
148: isa_intr_init();
149:
1.4 chris 150:
1.1 chris 151: config_rootfound("mainbus", NULL);
152:
153: /* Debugging information */
154: #ifndef TERSE
1.5 thorpej 155: printf("ipl_bio=%08x ipl_net=%08x ipl_tty=%08x ipl_vm=%08x\n",
1.4 chris 156: footbridge_imask[IPL_BIO], footbridge_imask[IPL_NET],
1.5 thorpej 157: footbridge_imask[IPL_TTY], footbridge_imask[IPL_VM]);
1.1 chris 158: printf("ipl_audio=%08x ipl_imp=%08x ipl_high=%08x ipl_serial=%08x\n",
1.4 chris 159: footbridge_imask[IPL_AUDIO], footbridge_imask[IPL_CLOCK],
160: footbridge_imask[IPL_HIGH], footbridge_imask[IPL_SERIAL]);
1.1 chris 161: #endif
162:
163: /* Time to start taking interrupts so lets open the flood gates .... */
164: (void)spl0();
165: }
166:
167: void
168: device_register(struct device *dev, void *aux)
169: {
170: }
171: /* End of autoconf.c */
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