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 * $FreeBSD$ 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_ */ 72