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

     /*      $NetBSD: fiq.h,v 1.1 2001/12/20 01:20:23 thorpej Exp $  */
     
     /*-
      * SPDX-License-Identifier: BSD-4-Clause
      *
      * Copyright (c) 2001 Wasabi Systems, Inc.
      * All rights reserved.
      *
      * Written by Jason R. Thorpe for Wasabi Systems, Inc.
     *
     * Redistribution and use in source and binary forms, with or without
     * modification, are permitted provided that the following conditions
     * are met:
     * 1. Redistributions of source code must retain the above copyright
     *    notice, this list of conditions and the following disclaimer.
     * 2. Redistributions in binary form must reproduce the above copyright
     *    notice, this list of conditions and the following disclaimer in the
     *    documentation and/or other materials provided with the distribution.
     * 3. All advertising materials mentioning features or use of this software
     *    must display the following acknowledgement:
     *      This product includes software developed for the NetBSD Project by
     *      Wasabi Systems, Inc.
     * 4. The name of Wasabi Systems, Inc. may not be used to endorse
     *    or promote products derived from this software without specific prior
     *    written permission.
     *
     * THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``AS IS'' AND
     * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL WASABI SYSTEMS, INC
     * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     * POSSIBILITY OF SUCH DAMAGE.
     *
     * $FreeBSD$
     *
     */
    
    #ifndef _MACHINE_FIQ_H_
    #define _MACHINE_FIQ_H_
    
    #include <sys/queue.h>
    
    struct fiqregs {
            u_int   fr_r8;                  /* FIQ mode r8 */
            u_int   fr_r9;                  /* FIQ mode r9 */
            u_int   fr_r10;                 /* FIQ mode r10 */
            u_int   fr_r11;                 /* FIQ mode r11 */
            u_int   fr_r12;                 /* FIQ mode r12 */
            u_int   fr_r13;                 /* FIQ mode r13 */
    };
    
    struct fiqhandler {
            TAILQ_ENTRY(fiqhandler) fh_list;/* link in the FIQ handler stack */
            void    *fh_func;               /* FIQ handler routine */
            size_t  fh_size;                /* size of FIQ handler */
            int     fh_flags;               /* flags; see below */
            struct fiqregs *fh_regs;        /* pointer to regs structure */
    };
    
    #define FH_CANPUSH      0x01    /* can push this handler out of the way */
    
    int     fiq_claim(struct fiqhandler *);
    void    fiq_release(struct fiqhandler *);
    
    void    fiq_getregs(struct fiqregs *);
    void    fiq_setregs(struct fiqregs *);
    
    #endif /* _MACHINE_FIQ_H_ */

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