1/* $NetBSD: cpu.c,v 1.6 2022/03/03 06:27:40 riastradh Exp $ */ 2 3/* 4 * Copyright 2002 Wasabi Systems, Inc. 5 * All rights reserved. 6 * 7 * Written by Simon Burge for Wasabi Systems, Inc. 8 * 9 * Redistribution and use in source and binary forms, with or without 10 * modification, are permitted provided that the following conditions 11 * are met: 12 * 1. Redistributions of source code must retain the above copyright 13 * notice, this list of conditions and the following disclaimer. 14 * 2. Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in the 16 * documentation and/or other materials provided with the distribution. 17 * 3. All advertising materials mentioning features or use of this software 18 * must display the following acknowledgement: 19 * This product includes software developed for the NetBSD Project by 20 * Wasabi Systems, Inc. 21 * 4. The name of Wasabi Systems, Inc. may not be used to endorse 22 * or promote products derived from this software without specific prior 23 * written permission. 24 * 25 * THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``AS IS'' AND 26 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 27 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 28 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL WASABI SYSTEMS, INC 29 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 30 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 31 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 32 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 33 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 34 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 35 * POSSIBILITY OF SUCH DAMAGE. 36 */ 37 38#include <sys/cdefs.h> 39__KERNEL_RCSID(0, "$NetBSD: cpu.c,v 1.6 2022/03/03 06:27:40 riastradh Exp $"); 40 41#include <sys/param.h> 42#include <sys/device.h> 43#include <sys/systm.h> 44#include <sys/cpu.h> 45 46#include <mips/locore.h> 47 48static int cpu_match(device_t, cfdata_t, void *); 49static void cpu_attach(device_t, device_t, void *); 50 51CFATTACH_DECL_NEW(cpu, 0, 52 cpu_match, cpu_attach, NULL, NULL); 53 54static int 55cpu_match(device_t parent, cfdata_t match, void *aux) 56{ 57 58 return 1; 59} 60 61static void 62cpu_attach(device_t parent, device_t self, void *aux) 63{ 64 struct cpu_info * const ci = curcpu(); 65 66 ci->ci_dev = self; 67 device_set_private(self, ci); 68 69 aprint_normal(": %lu.%02luMHz (hz cycles = %lu, delay divisor = %lu)\n", 70 ci->ci_cpu_freq / 1000000, 71 (ci->ci_cpu_freq % 1000000) / 10000, 72 ci->ci_cycles_per_hz, ci->ci_divisor_delay); 73 74 aprint_normal("%s: ", device_xname(self)); 75 cpu_identify(self); 76 cpu_attach_common(self, ci); 77} 78