cpu.c revision 1.11
1/*	$NetBSD: cpu.c,v 1.11 2012/10/27 17:18:03 chs Exp $	*/
2
3/*
4 * Copyright (c) 1994, 1995 Carnegie-Mellon University.
5 * All rights reserved.
6 *
7 * Author: Chris G. Demetriou
8 *
9 * Permission to use, copy, modify and distribute this software and
10 * its documentation is hereby granted, provided that both the copyright
11 * notice and this permission notice appear in all copies of the
12 * software, derivative works or modified versions, and any portions
13 * thereof, and that both notices appear in supporting documentation.
14 *
15 * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
16 * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND
17 * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
18 *
19 * Carnegie Mellon requests users of this software to return to
20 *
21 *  Software Distribution Coordinator  or  Software.Distribution@CS.CMU.EDU
22 *  School of Computer Science
23 *  Carnegie Mellon University
24 *  Pittsburgh PA 15213-3890
25 *
26 * any improvements or extensions that they make and grant Carnegie the
27 * rights to redistribute these changes.
28 */
29
30#include <sys/cdefs.h>
31__KERNEL_RCSID(0, "$NetBSD: cpu.c,v 1.11 2012/10/27 17:18:03 chs Exp $");
32
33#include <sys/param.h>
34#include <sys/device.h>
35#include <sys/cpu.h>
36#include <sys/systm.h>
37
38#include <machine/autoconf.h>
39
40#include <mips/locore.h>
41
42/* Definition of the driver for autoconfig. */
43static int	cpumatch(device_t, cfdata_t, void *);
44static void	cpuattach(device_t, device_t, void *);
45
46CFATTACH_DECL_NEW(cpu, 0,
47    cpumatch, cpuattach, NULL, NULL);
48
49extern struct cfdriver cpu_cd;
50
51static int
52cpumatch(device_t parent, cfdata_t cfdata, void *aux)
53{
54	struct confargs *ca = aux;
55
56	/* make sure that we're looking for a CPU. */
57	if (strcmp(ca->ca_name, cpu_cd.cd_name) != 0) {
58		return 0;
59	}
60	return 1;
61}
62
63static void
64cpuattach(device_t parent, device_t self, void *aux)
65{
66	struct cpu_info * const ci = curcpu();
67
68	ci->ci_dev = self;
69	self->dv_private = ci;
70
71	aprint_normal(": ");
72	cpu_identify(self);
73}
74