/*      $NetBSD: intr.h,v 1.15 2021/11/02 11:26:04 ryo Exp $    */

/*-
* Copyright (c) 2002 The NetBSD Foundation, Inc.
* All rights reserved.
*
* 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.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
* ``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 THE FOUNDATION OR CONTRIBUTORS
* 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.
*/

#ifndef _EVBSH3_INTR_H_
#define _EVBSH3_INTR_H_

#include <sh3/intr.h>

/* Number of interrupt source */
#define _INTR_N         16      /* TMU0, TMU1, TMU2, (SCIF and SCI) * 4 */

/* Interrupt priority levels */
#define IPL_VM          12
#define IPL_SCHED       14      /* clock */
#define IPL_HIGH        15      /* everything */

typedef uint8_t ipl_t;
typedef struct {
       ipl_t _ipl;
} ipl_cookie_t;

static inline __always_inline ipl_cookie_t
makeiplcookie(ipl_t ipl)
{

       return (ipl_cookie_t){._ipl = ipl << 4};
}

static inline __always_inline int
splraiseipl(ipl_cookie_t icookie)
{

       return _cpu_intr_raise(icookie._ipl);
}

#include <sys/spl.h>

#define spl0()                  _cpu_intr_resume(0)
#define splx(x)                 _cpu_intr_resume(x)

#endif /* !_EVBSH3_INTR_H_ */