Home | History | Annotate | Line # | Download | only in newsmips 
      1 /*	$NetBSD: cpu.c,v 1.13 2022/03/03 06:27:03 riastradh 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 (at) 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 1.13 2022/03/03 06:27:03 riastradh 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 <mips/locore.h>
     39 
     40 #include <machine/autoconf.h>
     41 
     42 /* Definition of the driver for autoconfig. */
     43 static int	cpumatch(device_t, cfdata_t, void *);
     44 static void	cpuattach(device_t, device_t, void *);
     45 
     46 CFATTACH_DECL_NEW(cpu, 0,
     47     cpumatch, cpuattach, NULL, NULL);
     48 
     49 extern struct cfdriver cpu_cd;
     50 
     51 static int
     52 cpumatch(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 
     63 static void
     64 cpuattach(device_t parent, device_t self, void *aux)
     65 {
     66 	struct cpu_info * const ci = curcpu();
     67 
     68 	ci->ci_dev = self;
     69 	device_set_private(self, ci);
     70 
     71 	aprint_normal(": ");
     72 	cpu_identify(self);
     73 }
     74