1/* $OpenBSD: fiq.h,v 1.1 2004/02/01 05:09:49 drahn Exp $ */
2/* $NetBSD: fiq.h,v 1.1 2001/12/20 01:20:23 thorpej Exp $ */
3
4/*
5 * Copyright (c) 2001 Wasabi Systems, Inc.
6 * All rights reserved.
7 *
8 * Written by Jason R. Thorpe for Wasabi Systems, Inc.
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 * 3. All advertising materials mentioning features or use of this software
19 * must display the following acknowledgement:
20 * This product includes software developed for the NetBSD Project by
21 * Wasabi Systems, Inc.
22 * 4. The name of Wasabi Systems, Inc. may not be used to endorse
23 * or promote products derived from this software without specific prior
24 * written permission.
25 *
26 * THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``AS IS'' AND
27 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
28 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
29 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL WASABI SYSTEMS, INC
30 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
31 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
32 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
33 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
34 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
35 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
36 * POSSIBILITY OF SUCH DAMAGE.
37 */
38
39#ifndef _ARM_FIQ_H_
40#define _ARM_FIQ_H_
41
42#include <sys/queue.h>
43
44struct fiqregs {
45 u_int fr_r8; /* FIQ mode r8 */
46 u_int fr_r9; /* FIQ mode r9 */
47 u_int fr_r10; /* FIQ mode r10 */
48 u_int fr_r11; /* FIQ mode r11 */
49 u_int fr_r12; /* FIQ mode r12 */
50 u_int fr_r13; /* FIQ mode r13 */
51};
52
53struct fiqhandler {
54 TAILQ_ENTRY(fiqhandler) fh_list;/* link in the FIQ handler stack */
55 void *fh_func; /* FIQ handler routine */
56 size_t fh_size; /* size of FIQ handler */
57 int fh_flags; /* flags; see below */
58 struct fiqregs *fh_regs; /* pointer to regs structure */
59};
60
61#define FH_CANPUSH 0x01 /* can push this handler out of the way */
62
63int fiq_claim(struct fiqhandler *);
64void fiq_release(struct fiqhandler *);
65
66void fiq_getregs(struct fiqregs *);
67void fiq_setregs(struct fiqregs *);
68
69#endif /* _ARM_FIQ_H_ */