xref: /netbsd/sys/arch/sparc/sparc/memreg.h (revision bf9ec67e)
1 /*	$NetBSD: memreg.h,v 1.7 1998/09/21 10:32:01 pk Exp $ */
2 
3 /*
4  * Copyright (c) 1992, 1993
5  *	The Regents of the University of California.  All rights reserved.
6  *
7  * This software was developed by the Computer Systems Engineering group
8  * at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and
9  * contributed to Berkeley.
10  *
11  * All advertising materials mentioning features or use of this software
12  * must display the following acknowledgement:
13  *	This product includes software developed by the University of
14  *	California, Lawrence Berkeley Laboratory.
15  *
16  * Redistribution and use in source and binary forms, with or without
17  * modification, are permitted provided that the following conditions
18  * are met:
19  * 1. Redistributions of source code must retain the above copyright
20  *    notice, this list of conditions and the following disclaimer.
21  * 2. Redistributions in binary form must reproduce the above copyright
22  *    notice, this list of conditions and the following disclaimer in the
23  *    documentation and/or other materials provided with the distribution.
24  * 3. All advertising materials mentioning features or use of this software
25  *    must display the following acknowledgement:
26  *	This product includes software developed by the University of
27  *	California, Berkeley and its contributors.
28  * 4. Neither the name of the University nor the names of its contributors
29  *    may be used to endorse or promote products derived from this software
30  *    without specific prior written permission.
31  *
32  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
33  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
34  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
35  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
36  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
37  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
38  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
39  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
40  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
41  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
42  * SUCH DAMAGE.
43  *
44  *	@(#)memreg.h	8.1 (Berkeley) 6/11/93
45  */
46 
47 /*
48  * Sun-4c memory error register.
49  * The register is a single word.
50  */
51 volatile u_int	*par_err_reg;	/* virtual address; NULL if not yet mapped */
52 
53 /*
54  * Bits in parity error register.
55  * The register is cleared when read, except for the test and enable bits.
56  */
57 #define	PER_ERR		0x80	/* a parity error occurred */
58 #define	PER_MULTI	0x40	/* more than one occurred */
59 #define	PER_TEST	0x20	/* test (invert parity) */
60 #define	PER_ENABLE	0x10	/* enable parity error reports */
61 #define	PER_BYTE0	0x08	/* error occurred in byte 0 (bits 31..24) */
62 #define	PER_BYTE1	0x04	/* error occurred in byte 1 (bits 23..16) */
63 #define	PER_BYTE2	0x02	/* error occurred in byte 2 (bits 15..8) */
64 #define	PER_BYTE3	0x01	/* error occurred in byte 3 (bits 7..0) */
65 
66 #define	PER_BITS "\20\10ERR\7MULTI\6TEST\5ENABLE\4BYTE0\3BYTE1\2BYTE2\1BYTE3"
67 
68 
69 
70 /*
71  * sun4m ...
72  */
73 struct trapframe;
74 void memerr4_4c __P((unsigned, u_int, u_int, u_int, u_int, struct trapframe *));
75 void memerr4m __P((unsigned, u_int, u_int, struct trapframe *));
76 void viking_memerr __P((unsigned, u_int, u_int, struct trapframe *));
77 void hypersparc_memerr __P((unsigned, u_int, u_int, struct trapframe *));
78