1 /* $NetBSD: cpu.c,v 1.4 2002/10/02 04:17:22 thorpej 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/param.h> 29 #include <sys/systm.h> 30 31 #include <machine/autoconf.h> 32 33 static int cpumatch(struct device *, struct cfdata *, void *); 34 static void cpuattach(struct device *, struct device *, void *); 35 36 CFATTACH_DECL(cpu, sizeof (struct device), 37 cpumatch, cpuattach, NULL, NULL); 38 39 extern struct cfdriver cpu_cd; 40 static int __attached; /* PlayStation 2 has only one CPU */ 41 42 static int 43 cpumatch(struct device *parent, struct cfdata *cf, void *aux) 44 { 45 struct mainbus_attach_args *ma = aux; 46 47 /* make sure that we're looking for a CPU. */ 48 if (strcmp(ma->ma_name, cpu_cd.cd_name) != 0) 49 return (0); 50 51 return (!__attached); 52 } 53 54 static void 55 cpuattach(struct device *parent, struct device *dev, void *aux) 56 { 57 58 printf(": "); 59 __attached = 1; 60 61 cpu_identify(); 62 } 63