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Annotation of sys/arch/arm/include/fiq.h, Revision 1.1

1.1     ! nbrk        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:
        !            44: struct 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:
        !            53: struct 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:
        !            63: int    fiq_claim(struct fiqhandler *);
        !            64: void   fiq_release(struct fiqhandler *);
        !            65:
        !            66: void   fiq_getregs(struct fiqregs *);
        !            67: void   fiq_setregs(struct fiqregs *);
        !            68:
        !            69: #endif /* _ARM_FIQ_H_ */