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kvm_arm.c revision 1.2 
      1 /*	$NetBSD: kvm_arm.c,v 1.2 2001/07/16 05:45:52 matt Exp $	*/
      2 
      3 /*-
      4  * Copyright (C) 1996 Wolfgang Solfrank.
      5  * Copyright (C) 1996 TooLs GmbH.
      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 TooLs GmbH.
     19  * 4. The name of TooLs GmbH may not be used to endorse or promote products
     20  *    derived from this software without specific prior written permission.
     21  *
     22  * THIS SOFTWARE IS PROVIDED BY TOOLS GMBH ``AS IS'' AND ANY EXPRESS OR
     23  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     24  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     25  * IN NO EVENT SHALL TOOLS GMBH BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
     26  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
     27  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
     28  * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
     29  * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
     30  * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
     31  * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     32  *
     33  *	from: kvm_powerpc.c,v 1.3 1997/09/19 04:00:23 thorpej Exp
     34  */
     35 
     36 /*
     37  * arm32 machine dependent routines for kvm.
     38  */
     39 
     40 #include <sys/param.h>
     41 
     42 #include <sys/exec.h>
     43 
     44 #include <stdlib.h>
     45 #include <db.h>
     46 #include <limits.h>
     47 #include <kvm.h>
     48 
     49 #include "kvm_private.h"
     50 
     51 void
     52 _kvm_freevtop(kd)
     53 	kvm_t *kd;
     54 {
     55 	if (kd->vmst != 0)
     56 		free(kd->vmst);
     57 }
     58 
     59 int
     60 _kvm_initvtop(kd)
     61 	kvm_t *kd;
     62 {
     63 	return 0;
     64 }
     65 
     66 int
     67 _kvm_kvatop(kd, va, pa)
     68 	kvm_t *kd;
     69 	u_long va;
     70 	u_long *pa;
     71 {
     72 	_kvm_err(kd, 0, "vatop not yet implemented!");
     73 	return 0;
     74 }
     75 
     76 off_t
     77 _kvm_pa2off(kd, pa)
     78 	kvm_t *kd;
     79 	u_long pa;
     80 {
     81 	_kvm_err(kd, 0, "pa2off not yet implemented!");
     82 	return 0;
     83 }
     84 
     85 /*
     86  * Machine-dependent initialization for ALL open kvm descriptors,
     87  * not just those for a kernel crash dump.  Some architectures
     88  * have to deal with these NOT being constants!  (i.e. arm)
     89  */
     90 int
     91 _kvm_mdopen(kd)
     92 	kvm_t	*kd;
     93 {
     94 	uintptr_t max_uva;
     95 	extern struct ps_strings *__ps_strings;
     96 
     97 #if 0   /* XXX - These vary across arm machines... */
     98 	kd->usrstack = USRSTACK;
     99 	kd->min_uva = VM_MIN_ADDRESS;
    100 	kd->max_uva = VM_MAXUSER_ADDRESS;
    101 #endif
    102 	/* This is somewhat hack-ish, but it works. */
    103 	max_uva = (uintptr_t) (__ps_strings + 1);
    104 	kd->usrstack = max_uva;
    105 	kd->max_uva  = max_uva;
    106 	kd->min_uva  = 0;
    107 
    108 	return (0);
    109 }
    110