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Annotation of sys/arch/arm/include/fiq.h, Revision 1.1.1.1

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_ */