1 /* $NetBSD: cpu.c,v 1.21 2022/03/03 06:26:14 riastradh Exp $ */
2 /* $OpenBSD: cpu.c,v 1.8 1997/04/19 17:19:41 pefo Exp $ */
3
4 /*
5 * Copyright (c) 1997 Per Fogelstrom
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 * 3. All advertising materials mentioning features or use of this software
16 * must display the following acknowledgement:
17 * This product includes software developed under OpenBSD by
18 * Per Fogelstrom.
19 * 4. The name of the author may not be used to endorse or promote products
20 * derived from this software without specific prior written permission.
21 *
22 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
23 * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
24 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
25 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
26 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
28 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32 * SUCH DAMAGE.
33 *
34 */
35
36 #include <sys/cdefs.h>
37 __KERNEL_RCSID(0, "$NetBSD: cpu.c,v 1.21 2022/03/03 06:26:14 riastradh Exp $");
38
39 #include <sys/param.h>
40 #include <sys/systm.h>
41 #include <sys/proc.h>
42 #include <sys/device.h>
43
44 #include <uvm/uvm_extern.h>
45
46 #include <mips/locore.h>
47
48 #include <machine/autoconf.h>
49
50 #include "ioconf.h"
51
52 /* Definition of the driver for autoconfig. */
53 static int cpumatch(device_t, cfdata_t, void *);
54 static void cpuattach(device_t, device_t, void *);
55
56 CFATTACH_DECL_NEW(cpu, 0,
57 cpumatch, cpuattach, NULL, NULL);
58
59 static int
cpumatch(device_t parent,cfdata_t cf,void * aux)60 cpumatch(device_t parent, cfdata_t cf, void *aux)
61 {
62 struct confargs *ca = aux;
63
64 /* make sure that we're looking for a CPU. */
65 if (strcmp(ca->ca_name, cpu_cd.cd_name) != 0)
66 return 0;
67
68 return 1;
69 }
70
71 static void
cpuattach(device_t parent,device_t self,void * aux)72 cpuattach(device_t parent, device_t self, void *aux)
73 {
74 struct cpu_info * const ci = curcpu();
75
76 ci->ci_dev = self;
77 device_set_private(self, ci);
78
79 aprint_normal(": ");
80
81 cpu_identify(self);
82 }
83