1 /* $NetBSD: kvm_powerpc64.c,v 1.1 2006/07/01 19:21:11 ross Exp $ */
4 * Copyright (c) 2005 Wasabi Systems, Inc.
7 * Written by Allen Briggs for Wasabi Systems, Inc.
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
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
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.
38 * Copyright (C) 1996 Wolfgang Solfrank.
39 * Copyright (C) 1996 TooLs GmbH.
40 * All rights reserved.
42 * Redistribution and use in source and binary forms, with or without
43 * modification, are permitted provided that the following conditions
45 * 1. Redistributions of source code must retain the above copyright
46 * notice, this list of conditions and the following disclaimer.
47 * 2. Redistributions in binary form must reproduce the above copyright
48 * notice, this list of conditions and the following disclaimer in the
49 * documentation and/or other materials provided with the distribution.
50 * 3. All advertising materials mentioning features or use of this software
51 * must display the following acknowledgement:
52 * This product includes software developed by TooLs GmbH.
53 * 4. The name of TooLs GmbH may not be used to endorse or promote products
54 * derived from this software without specific prior written permission.
56 * THIS SOFTWARE IS PROVIDED BY TOOLS GMBH ``AS IS'' AND ANY EXPRESS OR
57 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
58 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
59 * IN NO EVENT SHALL TOOLS GMBH BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
60 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
61 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
62 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
63 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
64 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
65 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
69 * PowerPC machine dependent routines for kvm.
72 #include <sys/param.h>
75 #include <uvm/uvm_extern.h>
83 #include "kvm_private.h"
85 #include <sys/kcore.h>
86 #include <machine/kcore.h>
88 #include <powerpc/spr.h>
89 #include <powerpc/oea/bat.h>
90 #include <powerpc/oea/pte.h>
109 #define SR_VSID_HASH_MASK 0x0007ffff
111 #define HASH_MASK 0x0007ffff
114 * Translate a KVA to a PA
117 _kvm_kvatop(kd
, va
, pa
)
122 cpu_kcore_hdr_t
*cpu_kh
;
126 _kvm_err(kd
, 0, "vatop called in live kernel!");
130 cpu_kh
= kd
->cpu_data
;
132 pvr
= (cpu_kh
->pvr
>> 16);
135 /* No hit -- no translation */
145 cpu_kcore_hdr_t
*cpu_kh
;
150 cpu_kh
= kd
->cpu_data
;
151 e
= (char *) kd
->cpu_data
+ kd
->cpu_dsize
;
152 ram
= (void *)((char *)(void *)cpu_kh
+ ALIGN(sizeof *cpu_kh
));
155 if (pa
>= ram
->start
&& (pa
- ram
->start
) < ram
->size
) {
156 return off
+ (pa
- ram
->start
);
160 } while ((void *) ram
< e
&& ram
->size
);
162 _kvm_err(kd
, 0, "pa2off failed for pa 0x%08lx\n", pa
);
167 * Machine-dependent initialization for ALL open kvm descriptors,
168 * not just those for a kernel crash dump. Some architectures
169 * have to deal with these NOT being constants! (i.e. m68k)
176 extern struct ps_strings
*__ps_strings
;
178 #if 0 /* XXX - These vary across powerpc machines... */
179 kd
->usrstack
= USRSTACK
;
180 kd
->min_uva
= VM_MIN_ADDRESS
;
181 kd
->max_uva
= VM_MAXUSER_ADDRESS
;
183 /* This is somewhat hack-ish, but it works. */
184 max_uva
= (uintptr_t) (__ps_strings
+ 1);
185 kd
->usrstack
= max_uva
;
186 kd
->max_uva
= max_uva
;