xref: /netbsd-src/sys/arch/sun2/sun2/machdep.h (revision 4a2f42e885910817ccf207053444419f342fba51)
1 /*	$NetBSD: machdep.h,v 1.16 2024/01/13 00:44:42 thorpej Exp $	*/
2 
3 /*
4  * Copyright (c) 1982, 1990 The Regents of the University of California.
5  * All rights reserved.
6  *
7  * This code is derived from software contributed to Berkeley by
8  * the Systems Programming Group of the University of Utah Computer
9  * Science Department.
10  *
11  * Redistribution and use in source and binary forms, with or without
12  * modification, are permitted provided that the following conditions
13  * are met:
14  * 1. Redistributions of source code must retain the above copyright
15  *    notice, this list of conditions and the following disclaimer.
16  * 2. Redistributions in binary form must reproduce the above copyright
17  *    notice, this list of conditions and the following disclaimer in the
18  *    documentation and/or other materials provided with the distribution.
19  * 3. Neither the name of the University nor the names of its contributors
20  *    may be used to endorse or promote products derived from this software
21  *    without specific prior written permission.
22  *
23  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
24  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
27  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
28  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
29  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
31  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33  * SUCH DAMAGE.
34  *
35  *	from: Utah Hdr: cpu.h 1.16 91/03/25
36  *	from: @(#)cpu.h	7.7 (Berkeley) 6/27/91
37  *	cpu.h,v 1.2 1993/05/22 07:58:17 cgd Exp
38  */
39 
40 /*
41  * Copyright (c) 2001 Matthew Fredette
42  * Copyright (c) 1994 Gordon W. Ross
43  * Copyright (c) 1993 Adam Glass
44  * Copyright (c) 1988 University of Utah.
45  *
46  * This code is derived from software contributed to Berkeley by
47  * the Systems Programming Group of the University of Utah Computer
48  * Science Department.
49  *
50  * Redistribution and use in source and binary forms, with or without
51  * modification, are permitted provided that the following conditions
52  * are met:
53  * 1. Redistributions of source code must retain the above copyright
54  *    notice, this list of conditions and the following disclaimer.
55  * 2. Redistributions in binary form must reproduce the above copyright
56  *    notice, this list of conditions and the following disclaimer in the
57  *    documentation and/or other materials provided with the distribution.
58  * 3. All advertising materials mentioning features or use of this software
59  *    must display the following acknowledgement:
60  *	This product includes software developed by the University of
61  *	California, Berkeley and its contributors.
62  * 4. Neither the name of the University nor the names of its contributors
63  *    may be used to endorse or promote products derived from this software
64  *    without specific prior written permission.
65  *
66  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
67  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
68  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
69  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
70  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
71  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
72  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
73  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
74  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
75  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
76  * SUCH DAMAGE.
77  *
78  *	from: Utah Hdr: cpu.h 1.16 91/03/25
79  *	from: @(#)cpu.h	7.7 (Berkeley) 6/27/91
80  *	cpu.h,v 1.2 1993/05/22 07:58:17 cgd Exp
81  */
82 
83 /*
84  * Internal definitions unique to sun2/68k CPU support.
85  * These are the "private" declarations - those needed
86  * only here in machine-independent code.  The "public"
87  * definitions are in cpu.h (used by common code).
88  */
89 
90 #ifdef _KERNEL
91 
92 /* Prototypes... */
93 
94 struct frame;
95 struct fpframe;
96 struct pcb;
97 struct proc;
98 struct reg;
99 struct trapframe;
100 struct uio;
101 
102 extern int fputype;
103 
104 extern label_t *nofault;
105 
106 extern vaddr_t vmmap;	/* XXX - See mem.c */
107 
108 void	clock_init (void);
109 void	cninit(void);
110 
111 void	dumpsys(void);
112 
113 int 	fpu_emulate(struct trapframe *, struct fpframe *, ksiginfo_t *);
114 
115 void	initfpu(void);
116 
117 void	set_clk_mode(int, int);
118 
119 void	g0_entry(void);
120 void	g4_entry(void);
121 
122 void	swapconf(void);
123 
124 void	zs_init(void);
125 
126 struct sun2_kcore_hdr;
127 
128 /* Kernel virtual address space available: */
129 extern vaddr_t virtual_avail, virtual_end;
130 /* Physical address space available: */
131 extern paddr_t avail_start, avail_end;
132 
133 /* pmap.c */
134 void	pmap_bootstrap(vaddr_t nextva);
135 void	pmap_kcore_hdr(struct sun2_kcore_hdr *);
136 void	pmap_get_pagemap(int *pt, int off);
137 
138 #endif	/* _KERNEL */
139