xref: /netbsd/sys/arch/sun3/sun3/control.h (revision bf9ec67e)
1 /*	$NetBSD: control.h,v 1.20 2001/09/05 13:21:09 tsutsui Exp $	*/
2 
3 /*-
4  * Copyright (c) 1996 The NetBSD Foundation, Inc.
5  * All rights reserved.
6  *
7  * This code is derived from software contributed to The NetBSD Foundation
8  * by Adam Glass.
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. All advertising materials mentioning features or use of this software
19  *    must display the following acknowledgement:
20  *        This product includes software developed by the NetBSD
21  *        Foundation, Inc. and its contributors.
22  * 4. Neither the name of The NetBSD Foundation nor the names of its
23  *    contributors may be used to endorse or promote products derived
24  *    from this software without specific prior written permission.
25  *
26  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
27  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
28  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
29  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
30  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
31  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
32  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
33  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
34  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
35  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
36  * POSSIBILITY OF SUCH DAMAGE.
37  */
38 
39 /*
40  * defines for sun3 control space
41  */
42 
43 #define IDPROM_BASE 0x00000000
44 #define PGMAP_BASE  0x10000000
45 #define SEGMAP_BASE 0x20000000
46 #define CONTEXT_REG 0x30000000
47 #define SYSTEM_ENAB 0x40000000
48 #define UDVMA_ENAB  0x50000000
49 #define BUSERR_REG  0x60000000
50 #define DIAG_REG    0x70000000
51 
52 #define CONTROL_ADDR_MASK 0x0FFFFFFC
53 #define CONTROL_ADDR_BUILD(as, va) \
54 ((as) | ((va) & CONTROL_ADDR_MASK))
55 
56 #define VAC_CACHE_TAGS    0x80000000
57 #define VAC_CACHE_DATA    0x90000000
58 #define VAC_FLUSH_BASE    0xA0000000
59 #define VAC_FLUSH_CONTEXT 0x1
60 #define VAC_FLUSH_PAGE    0x2
61 #define VAC_FLUSH_SEGMENT 0x3
62 
63 #define CONTEXT_NUM 0x8
64 #define CONTEXT_MASK 0x7
65 
66 #if defined(_KERNEL) || defined(_STANDALONE)
67 
68 /* ctrlsp.S */
69 int   get_control_byte __P((vaddr_t));
70 void  set_control_byte __P((vaddr_t, int));
71 u_int get_control_word __P((vaddr_t));
72 void  set_control_word __P((vaddr_t, u_int));
73 
74 /* control.c */
75 int  get_context __P((void));
76 void set_context __P((int));
77 
78 int  get_segmap __P((vaddr_t));
79 void set_segmap __P((vaddr_t, int));
80 void set_segmap_allctx __P((vaddr_t, int));
81 
82 #endif	/* _KERNEL | _STANDALONE */
83