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      1 /*	$NetBSD: cpu.c,v 1.11 2016/07/18 19:50:11 maya Exp $	*/
      2 
      3 /*
      4  * Copyright (c) 2000 Soren S. Jorvang.  All rights reserved.
      5  *
      6  * Redistribution and use in source and binary forms, with or without
      7  * modification, are permitted provided that the following conditions
      8  * are met:
      9  * 1. Redistributions of source code must retain the above copyright
     10  *    notice, this list of conditions, and the following disclaimer.
     11  * 2. Redistributions in binary form must reproduce the above copyright
     12  *    notice, this list of conditions and the following disclaimer in the
     13  *    documentation and/or other materials provided with the distribution.
     14  *
     15  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
     16  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     17  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     18  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
     19  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     20  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     21  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     22  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     23  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     24  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     25  * SUCH DAMAGE.
     26  */
     27 
     28 #include <sys/cdefs.h>
     29 __KERNEL_RCSID(0, "$NetBSD: cpu.c,v 1.11 2016/07/18 19:50:11 maya Exp $");
     30 
     31 #include <sys/param.h>
     32 #include <sys/systm.h>
     33 #include <sys/device.h>
     34 
     35 #include <mips/locore.h>
     36 
     37 #include <machine/autoconf.h>
     38 #include <machine/cpu.h>
     39 
     40 static int cpumatch(device_t, cfdata_t, void *);
     41 static void cpuattach(device_t, device_t, void *);
     42 
     43 CFATTACH_DECL_NEW(cpu, 0, cpumatch, cpuattach, NULL, NULL);
     44 
     45 extern struct cfdriver cpu_cd;
     46 static int __attached; /* PlayStation 2 has only one CPU */
     47 
     48 static int
     49 cpumatch(device_t parent, cfdata_t cf, void *aux)
     50 {
     51 	struct mainbus_attach_args *ma = aux;
     52 
     53 	/* make sure that we're looking for a CPU. */
     54 	if (strcmp(ma->ma_name, cpu_cd.cd_name) != 0)
     55 		return (0);
     56 
     57 	return (!__attached);
     58 }
     59 
     60 static void
     61 cpuattach(struct device *parent, struct device *self, void *aux)
     62 {
     63 
     64 	printf(": ");
     65 	__attached = 1;
     66 
     67 	cpu_identify(self);
     68 }
     69