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