FreeBSD/Linux Kernel Cross Reference
sys/arm/include/fiq.h
1 /* $NetBSD: fiq.h,v 1.1 2001/12/20 01:20:23 thorpej Exp $ */
2
3 /*-
4 * SPDX-License-Identifier: BSD-4-Clause
5 *
6 * Copyright (c) 2001 Wasabi Systems, Inc.
7 * All rights reserved.
8 *
9 * Written by Jason R. Thorpe for Wasabi Systems, Inc.
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. All advertising materials mentioning features or use of this software
20 * must display the following acknowledgement:
21 * This product includes software developed for the NetBSD Project by
22 * Wasabi Systems, Inc.
23 * 4. The name of Wasabi Systems, Inc. may not be used to endorse
24 * or promote products derived from this software without specific prior
25 * written permission.
26 *
27 * THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``AS IS'' AND
28 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
29 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
30 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL WASABI SYSTEMS, INC
31 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
32 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
33 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
34 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
35 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
36 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
37 * POSSIBILITY OF SUCH DAMAGE.
38 *
39 * $FreeBSD$
40 *
41 */
42
43 #ifndef _MACHINE_FIQ_H_
44 #define _MACHINE_FIQ_H_
45
46 #include <sys/queue.h>
47
48 struct fiqregs {
49 u_int fr_r8; /* FIQ mode r8 */
50 u_int fr_r9; /* FIQ mode r9 */
51 u_int fr_r10; /* FIQ mode r10 */
52 u_int fr_r11; /* FIQ mode r11 */
53 u_int fr_r12; /* FIQ mode r12 */
54 u_int fr_r13; /* FIQ mode r13 */
55 };
56
57 struct fiqhandler {
58 TAILQ_ENTRY(fiqhandler) fh_list;/* link in the FIQ handler stack */
59 void *fh_func; /* FIQ handler routine */
60 size_t fh_size; /* size of FIQ handler */
61 int fh_flags; /* flags; see below */
62 struct fiqregs *fh_regs; /* pointer to regs structure */
63 };
64
65 #define FH_CANPUSH 0x01 /* can push this handler out of the way */
66
67 int fiq_claim(struct fiqhandler *);
68 void fiq_release(struct fiqhandler *);
69
70 void fiq_getregs(struct fiqregs *);
71 void fiq_setregs(struct fiqregs *);
72
73 #endif /* _MACHINE_FIQ_H_ */
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