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cpu_mainbus.c revision 1.10.4.1 
      1 /*	$NetBSD: cpu_mainbus.c,v 1.10.4.1 2011/06/12 00:23:53 rmind Exp $	*/
      2 
      3 /*
      4  * Copyright (c) 1995 Mark Brinicombe.
      5  * Copyright (c) 1995 Brini.
      6  * All rights reserved.
      7  *
      8  * Redistribution and use in source and binary forms, with or without
      9  * modification, are permitted provided that the following conditions
     10  * are met:
     11  * 1. Redistributions of source code must retain the above copyright
     12  *    notice, this list of conditions and the following disclaimer.
     13  * 2. Redistributions in binary form must reproduce the above copyright
     14  *    notice, this list of conditions and the following disclaimer in the
     15  *    documentation and/or other materials provided with the distribution.
     16  * 3. All advertising materials mentioning features or use of this software
     17  *    must display the following acknowledgement:
     18  *	This product includes software developed by Brini.
     19  * 4. The name of the company nor the name of the author may be used to
     20  *    endorse or promote products derived from this software without specific
     21  *    prior written permission.
     22  *
     23  * THIS SOFTWARE IS PROVIDED BY BRINI ``AS IS'' AND ANY EXPRESS OR IMPLIED
     24  * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
     25  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     26  * IN NO EVENT SHALL BRINI OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
     27  * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
     28  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
     29  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     30  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     31  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     32  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     33  * SUCH DAMAGE.
     34  *
     35  * RiscBSD kernel project
     36  *
     37  * cpu.c
     38  *
     39  * Probing and configuration for the master cpu
     40  *
     41  * Created      : 10/10/95
     42  */
     43 
     44 #include <sys/cdefs.h>
     45 __KERNEL_RCSID(0, "$NetBSD: cpu_mainbus.c,v 1.10.4.1 2011/06/12 00:23:53 rmind Exp $");
     46 
     47 #include <sys/param.h>
     48 #include <sys/systm.h>
     49 #include <sys/malloc.h>
     50 #include <sys/device.h>
     51 #include <sys/proc.h>
     52 #if 0
     53 #include <sys/conf.h>
     54 #include <uvm/uvm_extern.h>
     55 #include <machine/io.h>
     56 #endif
     57 #include <machine/cpu.h>
     58 #if 0
     59 #include <arm/cpus.h>
     60 #include <arm/undefined.h>
     61 #endif
     62 
     63 /*
     64  * Prototypes
     65  */
     66 static int cpu_mainbus_match(device_t, cfdata_t, void *);
     67 static void cpu_mainbus_attach(device_t, device_t, void *);
     68 
     69 /*
     70  * int cpumatch(device_t parent, cfdata_t cf, void *aux)
     71  *
     72  * Probe for the main cpu. Currently all this does is return 1 to
     73  * indicate that the cpu was found.
     74  */
     75 
     76 static int
     77 cpu_mainbus_match(device_t parent, cfdata_t cf, void *aux)
     78 {
     79 	return(1);
     80 }
     81 
     82 /*
     83  * void cpusattach(device_t parent, device_t dev, void *aux)
     84  *
     85  * Attach the main cpu
     86  */
     87 
     88 static void
     89 cpu_mainbus_attach(device_t parent, device_t self, void *aux)
     90 {
     91 	cpu_attach(self);
     92 }
     93 
     94 CFATTACH_DECL_NEW(cpu_mainbus, 0,
     95     cpu_mainbus_match, cpu_mainbus_attach, NULL, NULL);
     96