2 * Copyright (c) 1990 The Regents of the University of California.
5 * This code is derived from software contributed to Berkeley by
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
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 * 4. Neither the name of the University nor the names of its contributors
17 * may be used to endorse or promote products derived from this software
18 * without specific prior written permission.
20 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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32 * from: @(#)autoconf.c 7.1 (Berkeley) 5/9/91
35 #include <sys/cdefs.h>
36 __FBSDID("$FreeBSD$");
39 * Setup the system to run on the current machine.
41 * Configure() is called at boot time and initializes the vba
42 * device tables and the memory controller monitoring. Available
43 * devices are determined (from possibilities mentioned in ioconf.c),
44 * and the drivers are initialized.
46 #include "opt_bootp.h"
50 #include <sys/param.h>
51 #include <sys/systm.h>
54 #include <sys/reboot.h>
55 #include <sys/kernel.h>
56 #include <sys/malloc.h>
57 #include <sys/mount.h>
60 #include <sys/socket.h>
62 #include <net/if_dl.h>
63 #include <net/if_types.h>
64 #include <net/if_var.h>
65 #include <net/ethernet.h>
66 #include <netinet/in.h>
68 #include <machine/md_var.h>
71 #include <isa/isavar.h>
73 device_t isa_bus_device = 0;
76 static void configure_first(void *);
77 static void configure(void *);
78 static void configure_final(void *);
80 SYSINIT(configure1, SI_SUB_CONFIGURE, SI_ORDER_FIRST, configure_first, NULL);
81 /* SI_ORDER_SECOND is hookable */
82 SYSINIT(configure2, SI_SUB_CONFIGURE, SI_ORDER_THIRD, configure, NULL);
83 /* SI_ORDER_MIDDLE is hookable */
84 SYSINIT(configure3, SI_SUB_CONFIGURE, SI_ORDER_ANY, configure_final, NULL);
87 * Determine i/o configuration for a machine.
90 configure_first(dummy)
94 /* nexus0 is the top of the amd64 device tree */
95 device_add_child(root_bus, "nexus", 0);
104 * Enable interrupts on the processor. The interrupts are still
105 * disabled in the interrupt controllers until interrupt handlers
110 /* initialize new bus architecture */
111 root_bus_configure();
115 * Explicitly probe and attach ISA last. The isa bus saves
116 * it's device node at attach time for us here.
119 isa_probe_children(isa_bus_device);
124 configure_final(dummy)
130 printf("Device configuration finished.\n");