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Annotation of src/lib/libkvm/kvm_sh3.c, Revision 1.9

1.9     ! dsl         1: /*     $NetBSD: kvm_sh3.c,v 1.8 2010/09/20 23:23:16 jym Exp $  */
1.1       msaitoh     2:
                      3: /*-
                      4:  * Copyright (c) 1989, 1992, 1993
                      5:  *     The Regents of the University of California.  All rights reserved.
                      6:  *
                      7:  * This code is derived from software developed by the Computer Systems
                      8:  * Engineering group at Lawrence Berkeley Laboratory under DARPA contract
                      9:  * BG 91-66 and contributed to Berkeley.
                     10:  *
                     11:  * Redistribution and use in source and binary forms, with or without
                     12:  * modification, are permitted provided that the following conditions
                     13:  * are met:
                     14:  * 1. Redistributions of source code must retain the above copyright
                     15:  *    notice, this list of conditions and the following disclaimer.
                     16:  * 2. Redistributions in binary form must reproduce the above copyright
                     17:  *    notice, this list of conditions and the following disclaimer in the
                     18:  *    documentation and/or other materials provided with the distribution.
1.6       agc        19:  * 3. Neither the name of the University nor the names of its contributors
1.1       msaitoh    20:  *    may be used to endorse or promote products derived from this software
                     21:  *    without specific prior written permission.
                     22:  *
                     23:  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
                     24:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
                     25:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
                     26:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
                     27:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
                     28:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
                     29:  * OR 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:
                     36: #include <sys/cdefs.h>
                     37: #if defined(LIBC_SCCS) && !defined(lint)
                     38: #if 0
                     39: static char sccsid[] = "@(#)kvm_hp300.c        8.1 (Berkeley) 6/4/93";
                     40: #else
1.9     ! dsl        41: __RCSID("$NetBSD: kvm_sh3.c,v 1.8 2010/09/20 23:23:16 jym Exp $");
1.1       msaitoh    42: #endif
                     43: #endif /* LIBC_SCCS and not lint */
                     44:
                     45: /*
1.5       scw        46:  * SH3 machine dependent routines for kvm.
1.1       msaitoh    47:  */
                     48:
                     49: #include <sys/param.h>
                     50: #include <sys/proc.h>
                     51: #include <sys/stat.h>
                     52: #include <sys/kcore.h>
1.8       jym        53: #include <sys/types.h>
                     54:
1.1       msaitoh    55: #include <stdlib.h>
                     56: #include <unistd.h>
                     57: #include <nlist.h>
                     58: #include <kvm.h>
                     59:
1.3       mrg        60: #include <uvm/uvm_extern.h>
1.1       msaitoh    61:
                     62: #include <limits.h>
                     63: #include <db.h>
                     64:
                     65: #include "kvm_private.h"
                     66:
                     67: #include <machine/pte.h>
1.4       matt       68: #include <machine/vmparam.h>
1.1       msaitoh    69:
                     70: #ifndef btop
                     71: #define        btop(x)         (((unsigned)(x)) >> PGSHIFT)    /* XXX */
                     72: #define        ptob(x)         ((caddr_t)((x) << PGSHIFT))     /* XXX */
                     73: #endif
                     74:
                     75: void
1.7       jym        76: _kvm_freevtop(kvm_t *kd)
1.1       msaitoh    77: {
                     78:
                     79:        /* Not actually used for anything right now, but safe. */
                     80:        if (kd->vmst != 0)
                     81:                free(kd->vmst);
                     82: }
                     83:
                     84: /*ARGSUSED*/
                     85: int
1.7       jym        86: _kvm_initvtop(kvm_t *kd)
1.1       msaitoh    87: {
                     88:
                     89:        return (0);
                     90: }
                     91:
                     92: /*
                     93:  * Translate a kernel virtual address to a physical address.
                     94:  */
                     95: int
1.8       jym        96: _kvm_kvatop(kvm_t *kd, vaddr_t va, paddr_t *pa)
1.1       msaitoh    97: {
                     98:        _kvm_err(kd, 0, "vatop not yet implemented!");
                     99:        return 0;
                    100: }
                    101:
                    102: /*
                    103:  * Translate a physical address to a file-offset in the crash dump.
                    104:  */
                    105: off_t
1.8       jym       106: _kvm_pa2off(kvm_t *kd, paddr_t pa)
1.1       msaitoh   107: {
                    108:        _kvm_err(kd, 0, "pa2off not yet implemented!");
                    109:        return 0;
                    110: }
                    111:
                    112: /*
                    113:  * Machine-dependent initialization for ALL open kvm descriptors,
                    114:  * not just those for a kernel crash dump.  Some architectures
                    115:  * have to deal with these NOT being constants!  (i.e. m68k)
                    116:  */
                    117: int
1.7       jym       118: _kvm_mdopen(kvm_t *kd)
1.1       msaitoh   119: {
                    120:
                    121:        kd->usrstack = USRSTACK;
                    122:        kd->min_uva = VM_MIN_ADDRESS;
                    123:        kd->max_uva = VM_MAXUSER_ADDRESS;
                    124:
                    125:        return (0);
                    126: }

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