1 /*        $NetBSD: intr.h,v 1.23 2023/07/11 10:44:55 riastradh Exp $  */
2 
3 /*-
4  * Copyright (c) 1997 The NetBSD Foundation, Inc.
5  * All rights reserved.
6  *
7  * This code is derived from software contributed to The NetBSD Foundation
8  * by Ignatios Souvatzis.
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 /*
33  * machine/intr.h for the Amiga port.
34  * Currently, only a wrapper, for most of the stuff, around the old
35  * include files.
36  */
37 
38 #ifndef _AMIGA_INTR_H_
39 #define _AMIGA_INTR_H_
40 
41 #include <amiga/amiga/isr.h>
42 #include <m68k/psl.h>
43 
44 #define   IPL_NONE  0
45 #define   IPL_SOFTCLOCK       1
46 #define   IPL_SOFTBIO         1
47 #define   IPL_SOFTNET         1
48 #define   IPL_SOFTSERIAL      1
49 #define   IPL_VM              2
50 #define   IPL_SCHED 3
51 #define   IPL_HIGH  4
52 #define   _NIPL               5
53 
54 extern int ipl2spl_table[_NIPL];
55 
56 typedef int ipl_t;
57 typedef struct {
58           uint16_t _ipl;
59 } ipl_cookie_t;
60 
61 #ifdef _KERNEL
62 
63 static inline ipl_cookie_t
makeiplcookie(ipl_t ipl)64 makeiplcookie(ipl_t ipl)
65 {
66 
67           return (ipl_cookie_t){._ipl = ipl};
68 }
69 
70 static inline int
splraiseipl(ipl_cookie_t icookie)71 splraiseipl(ipl_cookie_t icookie)
72 {
73 
74           return _splraise(ipl2spl_table[icookie._ipl]);
75 }
76 
77 #ifdef _KERNEL_OPT
78 #include "opt_lev6_defer.h"
79 #endif
80 
81 #define   spl0()                        _spl0()   /* we have real software interrupts */
82 #define splsoftclock()                  splraise1()
83 #define splsoftnet()                    splraise1()
84 #define splsoftserial()                 splraise1()
85 #define splsoftbio()                    splraise1()
86 #define   splvm()                       splraise4()
87 
88 #ifndef _MODULE
89 
90 #ifndef LEV6_DEFER
91 #define splsched()  splraise6()
92 #define splhigh()   spl7()
93 #else
94 #define splsched()  splraise4()
95 #define splhigh()   splraise4()
96 #endif
97 
98 #else     /* _MODULE */
99 
100 extern int _spllkm6(void);
101 extern int _spllkm7(void);
102 
103 #define splsched()  _spllkm6()
104 #define splhigh()   _spllkm7()
105 
106 #endif /* _MODULE */
107 
108 #define splx(s)               _spl(s)
109 
110 #endif    /* _KERNEL */
111 
112 #endif    /* !_AMIGA_INTR_H_ */
113