Annotation of sys/arch/vax/bi/kdbreg.h, Revision 1.1.1.1
1.1 nbrk 1: /* $OpenBSD: kdbreg.h,v 1.5 2003/06/02 23:27:57 millert Exp $ */
2: /* $NetBSD: kdbreg.h,v 1.3 1999/11/03 21:57:40 ragge Exp $ */
3: /*
4: * Copyright (c) 1988 Regents of the University of California.
5: * All rights reserved.
6: *
7: * This code is derived from software contributed to Berkeley by
8: * Chris Torek.
9: *
10: * Redistribution and use in source and binary forms, with or without
11: * modification, are permitted provided that the following conditions
12: * are met:
13: * 1. Redistributions of source code must retain the above copyright
14: * notice, this list of conditions and the following disclaimer.
15: * 2. Redistributions in binary form must reproduce the above copyright
16: * notice, this list of conditions and the following disclaimer in the
17: * documentation and/or other materials provided with the distribution.
18: * 3. Neither the name of the University nor the names of its contributors
19: * may be used to endorse or promote products derived from this software
20: * without specific prior written permission.
21: *
22: * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
23: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
24: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
25: * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
26: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
27: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
28: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
29: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
30: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
31: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32: * SUCH DAMAGE.
33: *
34: * @(#)kdbreg.h 7.3 (Berkeley) 6/28/90
35: */
36:
37: /*
38: * The KDB50 registers are embedded inside the bi interface
39: * general-purpose registers.
40: */
41: #ifdef notdef
42: struct kdb_regs {
43: struct biiregs kdb_bi;
44: short kdb_xxx; /* first half of GPR 0 unused */
45: short kdb_ip; /* initialisation and polling */
46: short kdb_sa; /* status & address (r/o half) */
47: short kdb_sw; /* status & address (w/o half) */
48: };
49: #endif
50:
51: #define KDB_IP 0xf2
52: #define KDB_SA 0xf4
53: #define KDB_SW 0xf6
54:
55: #define KDBSR_BITS \
56: "\20\20ERR\17STEP4\16STEP3\15STEP2\14STEP1\13oldNV\12oldQB\11DI\10IE\1GO"
57:
58: /*
59: * Asserting KDB_MAP in values placed in mscp_seq.seq_buffer tells
60: * the KDB to use mscp_seq.seq_mapbase as a set of PTEs and seq_buffer
61: * as an offset value. Hence we need no mappings; the KDB50 reads
62: * the hardware page tables directly. (Without KDB_MAP, seq_bufer
63: * represents the physical memory address instead, and seq_mapbase is
64: * unused.)
65: */
66: #define KDB_MAP 0x80000000
67: #define KDB_PHYS 0 /* pseudo flag */
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