1/*	$OpenBSD: cpu.h,v 1.4 1998/09/15 10:50:12 pefo Exp $	*/
2
3/*-
4 * Copyright (c) 1992, 1993
5 *	The Regents of the University of California.  All rights reserved.
6 *
7 * This code is derived from software contributed to Berkeley by
8 * Ralph Campbell and Rick Macklem.
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 * 4. Neither the name of the University nor the names of its contributors
19 *    may be used to endorse or promote products derived from this software
20 *    without specific prior written permission.
21 *
22 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
23 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
25 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
28 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32 * SUCH DAMAGE.
33 *
34 *	Copyright (C) 1989 Digital Equipment Corporation.
35 *	Permission to use, copy, modify, and distribute this software and
36 *	its documentation for any purpose and without fee is hereby granted,
37 *	provided that the above copyright notice appears in all copies.
38 *	Digital Equipment Corporation makes no representations about the
39 *	suitability of this software for any purpose.  It is provided "as is"
40 *	without express or implied warranty.
41 *
42 *	from: @(#)cpu.h	8.4 (Berkeley) 1/4/94
43 *	JNPR: cpu.h,v 1.9.2.2 2007/09/10 08:23:46 girish
44 * $FreeBSD: stable/11/sys/mips/include/cpu.h 340270 2018-11-08 22:42:55Z jhb $
45 */
46
47#ifndef _MACHINE_CPU_H_
48#define	_MACHINE_CPU_H_
49
50#include <machine/endian.h>
51
52/* BEGIN: these are going away */
53
54#define	soft_int_mask(softintr)	(1 << ((softintr) + 8))
55#define	hard_int_mask(hardintr)	(1 << ((hardintr) + 10))
56
57/* END: These are going away */
58
59/*
60 * Exported definitions unique to mips cpu support.
61 */
62
63#ifndef _LOCORE
64#include <machine/cpufunc.h>
65#include <machine/frame.h>
66
67#define	TRAPF_USERMODE(framep)  (((framep)->sr & MIPS_SR_KSU_USER) != 0)
68#define	TRAPF_PC(framep)	((framep)->pc)
69#define	cpu_getstack(td)	((td)->td_frame->sp)
70#define	cpu_setstack(td, nsp)	((td)->td_frame->sp = (nsp))
71#define	cpu_spinwait()		/* nothing */
72#define	cpu_lock_delay()	DELAY(1)
73
74/*
75 * A machine-independent interface to the CPU's counter.
76 */
77#define get_cyclecount()	mips_rd_count()
78#endif				/* !_LOCORE */
79
80#if defined(_KERNEL) && !defined(_LOCORE)
81
82extern char btext[];
83extern char etext[];
84
85void swi_vm(void *);
86void cpu_halt(void);
87void cpu_reset(void);
88
89#endif				/* _KERNEL */
90#endif				/* !_MACHINE_CPU_H_ */
91