cpu.h revision 330897 
1/*	$OpenBSD: cpu.h,v 1.4 1998/09/15 10:50:12 pefo Exp $	*/
2
3/*-
4 * SPDX-License-Identifier: BSD-3-Clause
5 *
6 * Copyright (c) 1992, 1993
7 *	The Regents of the University of California.  All rights reserved.
8 *
9 * This code is derived from software contributed to Berkeley by
10 * Ralph Campbell and Rick Macklem.
11 *
12 * Redistribution and use in source and binary forms, with or without
13 * modification, are permitted provided that the following conditions
14 * are met:
15 * 1. Redistributions of source code must retain the above copyright
16 *    notice, this list of conditions and the following disclaimer.
17 * 2. Redistributions in binary form must reproduce the above copyright
18 *    notice, this list of conditions and the following disclaimer in the
19 *    documentation and/or other materials provided with the distribution.
20 * 4. Neither the name of the University nor the names of its contributors
21 *    may be used to endorse or promote products derived from this software
22 *    without specific prior written permission.
23 *
24 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
25 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
27 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
30 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
32 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34 * SUCH DAMAGE.
35 *
36 *	Copyright (C) 1989 Digital Equipment Corporation.
37 *	Permission to use, copy, modify, and distribute this software and
38 *	its documentation for any purpose and without fee is hereby granted,
39 *	provided that the above copyright notice appears in all copies.
40 *	Digital Equipment Corporation makes no representations about the
41 *	suitability of this software for any purpose.  It is provided "as is"
42 *	without express or implied warranty.
43 *
44 *	from: @(#)cpu.h	8.4 (Berkeley) 1/4/94
45 *	JNPR: cpu.h,v 1.9.2.2 2007/09/10 08:23:46 girish
46 * $FreeBSD: stable/11/sys/mips/include/cpu.h 330897 2018-03-14 03:19:51Z eadler $
47 */
48
49#ifndef _MACHINE_CPU_H_
50#define	_MACHINE_CPU_H_
51
52#include <machine/endian.h>
53
54/* BEGIN: these are going away */
55
56#define	soft_int_mask(softintr)	(1 << ((softintr) + 8))
57#define	hard_int_mask(hardintr)	(1 << ((hardintr) + 10))
58
59/* END: These are going away */
60
61/*
62 * Exported definitions unique to mips cpu support.
63 */
64
65#ifndef _LOCORE
66#include <machine/cpufunc.h>
67#include <machine/frame.h>
68
69#define	TRAPF_USERMODE(framep)  (((framep)->sr & MIPS_SR_KSU_USER) != 0)
70#define	TRAPF_PC(framep)	((framep)->pc)
71#define	cpu_getstack(td)	((td)->td_frame->sp)
72#define	cpu_setstack(td, nsp)	((td)->td_frame->sp = (nsp))
73#define	cpu_spinwait()		/* nothing */
74
75/*
76 * A machine-independent interface to the CPU's counter.
77 */
78#define get_cyclecount()	mips_rd_count()
79#endif				/* !_LOCORE */
80
81#if defined(_KERNEL) && !defined(_LOCORE)
82
83extern char btext[];
84extern char etext[];
85
86void swi_vm(void *);
87void cpu_halt(void);
88void cpu_reset(void);
89
90#endif				/* _KERNEL */
91#endif				/* !_MACHINE_CPU_H_ */
92