The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)


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FreeBSD/Linux Kernel Cross Reference
sys/arm/include/fiq.h

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    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  * $FreeBSD: releng/10.4/sys/arm/include/fiq.h 139735 2005-01-05 21:58:49Z imp $
   38  *
   39  */
   40 
   41 #ifndef _MACHINE_FIQ_H_
   42 #define _MACHINE_FIQ_H_
   43 
   44 #include <sys/queue.h>
   45 
   46 struct fiqregs {
   47         u_int   fr_r8;                  /* FIQ mode r8 */
   48         u_int   fr_r9;                  /* FIQ mode r9 */
   49         u_int   fr_r10;                 /* FIQ mode r10 */
   50         u_int   fr_r11;                 /* FIQ mode r11 */
   51         u_int   fr_r12;                 /* FIQ mode r12 */
   52         u_int   fr_r13;                 /* FIQ mode r13 */
   53 };
   54 
   55 struct fiqhandler {
   56         TAILQ_ENTRY(fiqhandler) fh_list;/* link in the FIQ handler stack */
   57         void    *fh_func;               /* FIQ handler routine */
   58         size_t  fh_size;                /* size of FIQ handler */
   59         int     fh_flags;               /* flags; see below */
   60         struct fiqregs *fh_regs;        /* pointer to regs structure */
   61 };
   62 
   63 #define FH_CANPUSH      0x01    /* can push this handler out of the way */
   64 
   65 int     fiq_claim(struct fiqhandler *);
   66 void    fiq_release(struct fiqhandler *);
   67 
   68 void    fiq_getregs(struct fiqregs *);
   69 void    fiq_setregs(struct fiqregs *);
   70 
   71 #endif /* _MACHINE_FIQ_H_ */

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