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