summaryrefslogtreecommitdiff
path: root/sys/arch/sun3/include/machdep.h
blob: a3f33ee2576400201d5b7743352096679158591a (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
/*	$OpenBSD: machdep.h,v 1.18 2002/03/14 03:16:01 millert Exp $	*/

/*
 * Copyright (c) 1994 Gordon W. Ross
 * Copyright (c) 1993 Adam Glass
 * Copyright (c) 1988 University of Utah.
 * Copyright (c) 1982, 1990 The Regents of the University of California.
 * All rights reserved.
 *
 * This code is derived from software contributed to Berkeley by
 * the Systems Programming Group of the University of Utah Computer
 * Science Department.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. All advertising materials mentioning features or use of this software
 *    must display the following acknowledgement:
 *	This product includes software developed by the University of
 *	California, Berkeley and its contributors.
 * 4. Neither the name of the University nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 *
 *	from: Utah Hdr: cpu.h 1.16 91/03/25
 *	from: @(#)cpu.h	7.7 (Berkeley) 6/27/91
 *	cpu.h,v 1.2 1993/05/22 07:58:17 cgd Exp
 */

#ifdef _KERNEL

#define	FC_CONTROL	3	/* sun control space
				   XXX HP uses FC_PURGE instead */

/* Prototypes... */

struct frame;
struct fpframe;
struct pcb;
struct proc;
struct reg;
struct trapframe;
struct pmap;

extern int cache_size;
extern int fputype;

extern label_t *nofault;

extern vm_offset_t vmmap;	/* XXX - See mem.c */

/* Kernel virtual address space available: */
extern vm_offset_t virtual_avail, virtual_end;
/* Physical address space available: */
extern vm_offset_t avail_start, avail_end;
/* The "hole" (used to skip the Sun3/50 video RAM) */
extern vm_offset_t hole_start, hole_size;

void	ICIA(void);
void	DCIA(void);
void	DCIU(void);

void	cache_enable(void);
void	cache_flush_page(vm_offset_t pgva);
void	cache_flush_segment(vm_offset_t sgva);
void	cache_flush_context(void);

int 	cachectl(int req, caddr_t addr, int len);

void	cninit(void);

void	dumpconf(void);
void	dumpsys(void);

void	fb_unblank(void);

int 	fpu_emulate(struct frame *, struct fpframe *);

/* Backward compatibility... */
#define getsr	_getsr

void  **getvbr(void);

vm_offset_t high_segment_alloc(int npages);

void	initfpu(void);

void	intreg_init(void);

void	isr_init(void);
void	isr_config(void);

void	m68881_save(struct fpframe *);
void	m68881_restore(struct fpframe *);

void	proc_do_uret(void);
void	proc_trampoline(void);

void	pmap_bootstrap(void);
vm_offset_t pmap_map(vm_offset_t, vm_offset_t, vm_offset_t, int);
int 	pmap_fault_reload(struct pmap *, vm_offset_t, int);
void	pmap_get_ksegmap(u_char *);
void	pmap_get_pagemap(int *pt, int off);

int	reboot2(int, char *);

void	savectx(struct pcb *);

void	setvbr(void **);

void	sun3_mon_abort(void);
void	sun3_mon_halt(void);
void	sun3_mon_reboot(char *);
void	sun3_pmeg_init(void);
void	sun3_reserve_pmeg(int pmeg_num);

void	swapconf(void);
void	swapgeneric(void);

void	switch_exit(struct proc *);

#endif	/* _KERNEL */