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intr.h revision 1.24 
      1 /*	$NetBSD: intr.h,v 1.24 2024/01/14 22:34:54 thorpej Exp $	*/
      2 
      3 /*-
      4  * Copyright (c) 2024 The NetBSD Foundation, Inc.
      5  * All rights reserved.
      6  *
      7  * This code is derived from software contributed to The NetBSD Foundation
      8  * by Jason R. Thorpe.
      9  *
     10  * Redistribution and use in source and binary forms, with or without
     11  * modification, are permitted provided that the following conditions
     12  * are met:
     13  * 1. Redistributions of source code must retain the above copyright
     14  *    notice, this list of conditions and the following disclaimer.
     15  * 2. Redistributions in binary form must reproduce the above copyright
     16  *    notice, this list of conditions and the following disclaimer in the
     17  *    documentation and/or other materials provided with the distribution.
     18  *
     19  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     23  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     29  * POSSIBILITY OF SUCH DAMAGE.
     30  */
     31 
     32 #ifndef _SUN68K_INTR_H_
     33 #define _SUN68K_INTR_H_
     34 
     35 #include <m68k/psl.h>
     36 
     37 #define	MACHINE_PSL_IPL_SOFTCLOCK	PSL_IPL1
     38 #define	MACHINE_PSL_IPL_SOFTBIO		PSL_IPL1
     39 #define	MACHINE_PSL_IPL_SOFTNET		PSL_IPL1
     40 #define	MACHINE_PSL_IPL_SOFTSERIAL	PSL_IPL3
     41 #define	MACHINE_PSL_IPL_VM		PSL_IPL4
     42 #define	MACHINE_PSL_IPL_SCHED		PSL_IPL7
     43 
     44 /* Zilog Serial hardware interrupts (hard-wired at 6) */
     45 #define splzs()		splserial()	/* aliased to splhigh() */
     46 #define	IPL_ZS		IPL_SERIAL
     47 
     48 #define _IPL_SOFT_LEVEL1	1
     49 #define _IPL_SOFT_LEVEL2	2
     50 #define _IPL_SOFT_LEVEL3	3
     51 #define _IPL_SOFT_LEVEL_MIN	1
     52 #define _IPL_SOFT_LEVEL_MAX	3
     53 
     54 #include <m68k/intr.h>
     55 
     56 #ifdef _KERNEL
     57 
     58 /*
     59  * Aliases for the legacy sun68k ISR routines.
     60  */
     61 
     62 typedef int (*isr_func_t)(void *);
     63 
     64 static inline void
     65 isr_add_autovect(isr_func_t func, void *arg, int ipl)
     66 {
     67 	/* XXX leaks interrupt handle. */
     68 	m68k_intr_establish(func, arg, (void *)0, 0, ipl, 0, 0);
     69 }
     70 
     71 static inline void
     72 isr_add_vectored(isr_func_t func, void *arg, int ipl, int vec)
     73 {
     74 	/* XXX leaks interrupt handle. */
     75 	m68k_intr_establish(func, arg, (void *)0, vec, ipl, 0, 0);
     76 }
     77 
     78 /* This returns true iff the spl given is spl0. */
     79 #define	is_spl0(s)	(((s) & PSL_IPL7) == 0)
     80 
     81 #endif /* _KERNEL */
     82 
     83 #endif	/* _SUN68K_INTR_H */
     84