/*      $NetBSD: intr.h,v 1.26 2024/01/19 03:09:05 thorpej Exp $        */

/*-
* Copyright (c) 2024 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Jason R. Thorpe.
*
* 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 _SUN68K_INTR_H_
#define _SUN68K_INTR_H_

#ifdef _KERNEL

#include <m68k/psl.h>

#define MACHINE_PSL_IPL_SOFTCLOCK       PSL_IPL1
#define MACHINE_PSL_IPL_SOFTBIO         PSL_IPL1
#define MACHINE_PSL_IPL_SOFTNET         PSL_IPL1
#define MACHINE_PSL_IPL_SOFTSERIAL      PSL_IPL3
#define MACHINE_PSL_IPL_VM              PSL_IPL4
#define MACHINE_PSL_IPL_SCHED           PSL_IPL7

#define MACHINE_INTREVCNT_NAMES                                         \
       { "spur", "lev1", "lev2", "lev3", "lev4", "clock", "lev6", "nmi" }

/* Zilog Serial hardware interrupts (hard-wired at 6) */
#define splzs()         splserial()     /* aliased to splhigh() */
#define IPL_ZS          IPL_SERIAL

#define _IPL_SOFT_LEVEL1        1
#define _IPL_SOFT_LEVEL2        2
#define _IPL_SOFT_LEVEL3        3
#define _IPL_SOFT_LEVEL_MIN     1
#define _IPL_SOFT_LEVEL_MAX     3

#endif /* _KERNEL */

#include <m68k/intr.h>

#ifdef _KERNEL

/*
* Aliases for the legacy sun68k ISR routines.
*/

typedef int (*isr_func_t)(void *);

static inline void
isr_add_autovect(isr_func_t func, void *arg, int ipl)
{
       /* XXX leaks interrupt handle. */
       m68k_intr_establish(func, arg, (void *)0, 0, ipl, 0, 0);
}

static inline void
isr_add_vectored(isr_func_t func, void *arg, int ipl, int vec)
{
       /* XXX leaks interrupt handle. */
       m68k_intr_establish(func, arg, (void *)0, vec, ipl, 0, 0);
}

/* This returns true iff the spl given is spl0. */
#define is_spl0(s)      (((s) & PSL_IPL7) == 0)

#endif /* _KERNEL */

#endif  /* _SUN68K_INTR_H */