11.10Sryo/*	$NetBSD: intr.h,v 1.10 2021/11/02 11:26:03 ryo Exp $	*/
21.3Such
31.3Such/*-
41.3Such * Copyright (c) 2002 The NetBSD Foundation, Inc.
51.3Such * All rights reserved.
61.3Such *
71.3Such * Redistribution and use in source and binary forms, with or without
81.3Such * modification, are permitted provided that the following conditions
91.3Such * are met:
101.3Such * 1. Redistributions of source code must retain the above copyright
111.3Such *    notice, this list of conditions and the following disclaimer.
121.3Such * 2. Redistributions in binary form must reproduce the above copyright
131.3Such *    notice, this list of conditions and the following disclaimer in the
141.3Such *    documentation and/or other materials provided with the distribution.
151.3Such *
161.3Such * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
171.3Such * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
181.3Such * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
191.3Such * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
201.3Such * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
211.3Such * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
221.3Such * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
231.3Such * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
241.3Such * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
251.3Such * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
261.3Such * POSSIBILITY OF SUCH DAMAGE.
271.3Such */
281.3Such
291.1Smarcus#ifndef _DREAMCAST_INTR_H_
301.1Smarcus#define _DREAMCAST_INTR_H_
311.1Smarcus
321.3Such#include <sh3/intr.h>
331.1Smarcus
341.3Such/* Number of interrupt source */
351.4Sitohy#define _INTR_N		10	/* TMU0, TMU1, TMU2, SCIF * 4, IRL * 3 */
361.3Such
371.3Such/* Interrupt priority levels */
381.8Sad#define	IPL_VM		12
391.8Sad#define	IPL_SCHED	14
401.8Sad#define	IPL_HIGH	15
411.3Such
421.6Sadtypedef uint8_t ipl_t;
431.5Syamttypedef struct {
441.5Syamt	ipl_t _ipl;
451.5Syamt} ipl_cookie_t;
461.5Syamt
471.10Sryostatic inline __always_inline ipl_cookie_t
481.5Syamtmakeiplcookie(ipl_t ipl)
491.5Syamt{
501.5Syamt
511.5Syamt	return (ipl_cookie_t){._ipl = ipl << 4};
521.5Syamt}
531.5Syamt
541.10Sryostatic inline __always_inline int
551.5Syamtsplraiseipl(ipl_cookie_t icookie)
561.5Syamt{
571.5Syamt
581.5Syamt	return _cpu_intr_raise(icookie._ipl);
591.5Syamt}
601.5Syamt
611.5Syamt#include <sys/spl.h>
621.1Smarcus
631.3Such#define	spl0()			_cpu_intr_resume(0)
641.3Such#define	splx(x)			_cpu_intr_resume(x)
651.1Smarcus
661.3Such#endif /* !_DREAMCAST_INTR_H_ */
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