xref: /netbsd/sys/arch/sun3/sun3/control.h (revision 6550d01e)
1 /*	$NetBSD: control.h,v 1.23 2008/04/28 20:23:38 martin 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  *
19  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29  * POSSIBILITY OF SUCH DAMAGE.
30  */
31 
32 /*
33  * defines for sun3 control space
34  */
35 
36 #define IDPROM_BASE 0x00000000
37 #define PGMAP_BASE  0x10000000
38 #define SEGMAP_BASE 0x20000000
39 #define CONTEXT_REG 0x30000000
40 #define SYSTEM_ENAB 0x40000000
41 #define UDVMA_ENAB  0x50000000
42 #define BUSERR_REG  0x60000000
43 #define DIAG_REG    0x70000000
44 
45 #define CONTROL_ADDR_MASK 0x0FFFFFFC
46 #define CONTROL_ADDR_BUILD(as, va) \
47 ((as) | ((va) & CONTROL_ADDR_MASK))
48 
49 #define VAC_CACHE_TAGS    0x80000000
50 #define VAC_CACHE_DATA    0x90000000
51 #define VAC_FLUSH_BASE    0xA0000000
52 #define VAC_FLUSH_CONTEXT 0x1
53 #define VAC_FLUSH_PAGE    0x2
54 #define VAC_FLUSH_SEGMENT 0x3
55 
56 #define CONTEXT_NUM 0x8
57 #define CONTEXT_MASK 0x7
58 
59 #if defined(_KERNEL) || defined(_STANDALONE)
60 
61 /* ctrlsp.S */
62 int   get_control_byte(vaddr_t);
63 void  set_control_byte(vaddr_t, int);
64 u_int get_control_word(vaddr_t);
65 void  set_control_word(vaddr_t, u_int);
66 
67 /* control.c */
68 int  get_context(void);
69 void set_context(int);
70 
71 int  get_segmap(vaddr_t);
72 void set_segmap(vaddr_t, int);
73 void set_segmap_allctx(vaddr_t, int);
74 
75 #endif	/* _KERNEL | _STANDALONE */
76