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Diffstat (limited to 'sys/arm/include/fiq.h')
-rw-r--r-- | sys/arm/include/fiq.h | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/sys/arm/include/fiq.h b/sys/arm/include/fiq.h new file mode 100644 index 000000000000..a075c99e7d9b --- /dev/null +++ b/sys/arm/include/fiq.h @@ -0,0 +1,73 @@ +/* $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_ */ |