FreeBSD/Linux Kernel Cross Reference
sys/mips/include/cpu.h
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 * 3. 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 * $FreeBSD$
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 #define cpu_lock_delay() DELAY(1)
75
76 /*
77 * A machine-independent interface to the CPU's counter.
78 */
79 #define get_cyclecount() mips_rd_count()
80 #endif /* !_LOCORE */
81
82 #if defined(_KERNEL) && !defined(_LOCORE)
83
84 extern char btext[];
85 extern char etext[];
86
87 void swi_vm(void *);
88 void cpu_halt(void);
89 void cpu_reset(void);
90
91 #endif /* _KERNEL */
92 #endif /* !_MACHINE_CPU_H_ */
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