xref: /src/sys/arch/sun68k/include/intr.h

/*	$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 */