xref: /netbsd-src/sys/arch/cesfic/include/intr.h (revision 23c8222edbfb0f0932d88a8351d3a0cf817dfb9e)
1 /*	$NetBSD: intr.h,v 1.3 2003/08/07 16:27:16 agc Exp $	*/
2 
3 /*
4  * Copyright (c) 1982, 1986, 1990, 1993
5  *	The Regents of the University of California.  All rights reserved.
6  *
7  * This code is derived from software contributed to Berkeley by
8  * the Systems Programming Group of the University of Utah Computer
9  * Science Department.
10  *
11  * Redistribution and use in source and binary forms, with or without
12  * modification, are permitted provided that the following conditions
13  * are met:
14  * 1. Redistributions of source code must retain the above copyright
15  *    notice, this list of conditions and the following disclaimer.
16  * 2. Redistributions in binary form must reproduce the above copyright
17  *    notice, this list of conditions and the following disclaimer in the
18  *    documentation and/or other materials provided with the distribution.
19  * 3. Neither the name of the University nor the names of its contributors
20  *    may be used to endorse or promote products derived from this software
21  *    without specific prior written permission.
22  *
23  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
24  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
27  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
28  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
29  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
31  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33  * SUCH DAMAGE.
34  *
35  * from: Utah $Hdr: machparam.h 1.16 92/12/20$
36  *
37  *	from: @(#)param.h	8.1 (Berkeley) 6/10/93
38  */
39 /*
40  * Copyright (c) 1988 University of Utah.
41  *
42  * This code is derived from software contributed to Berkeley by
43  * the Systems Programming Group of the University of Utah Computer
44  * Science Department.
45  *
46  * Redistribution and use in source and binary forms, with or without
47  * modification, are permitted provided that the following conditions
48  * are met:
49  * 1. Redistributions of source code must retain the above copyright
50  *    notice, this list of conditions and the following disclaimer.
51  * 2. Redistributions in binary form must reproduce the above copyright
52  *    notice, this list of conditions and the following disclaimer in the
53  *    documentation and/or other materials provided with the distribution.
54  * 3. All advertising materials mentioning features or use of this software
55  *    must display the following acknowledgement:
56  *	This product includes software developed by the University of
57  *	California, Berkeley and its contributors.
58  * 4. Neither the name of the University nor the names of its contributors
59  *    may be used to endorse or promote products derived from this software
60  *    without specific prior written permission.
61  *
62  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
63  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
64  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
65  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
66  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
67  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
68  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
69  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
70  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
71  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
72  * SUCH DAMAGE.
73  *
74  * from: Utah $Hdr: machparam.h 1.16 92/12/20$
75  *
76  *	from: @(#)param.h	8.1 (Berkeley) 6/10/93
77  */
78 
79 #ifndef _CESFIC_INTR_H_
80 #define _CESFIC_INTR_H_
81 
82 /*
83  * spl functions; all but spl0 are done in-line
84  */
85 #include <machine/psl.h>
86 
87 #if defined(_KERNEL) && !defined(_LOCORE)
88 /* spl0 requires checking for software interrupts */
89 #define spl1()  _spl(PSL_S|PSL_IPL1)
90 #define spl2()  _spl(PSL_S|PSL_IPL2)
91 #define spl3()  _spl(PSL_S|PSL_IPL3)
92 #define spl4()  _spl(PSL_S|PSL_IPL4)
93 #define spl5()  _spl(PSL_S|PSL_IPL5)
94 #define spl6()  _spl(PSL_S|PSL_IPL6)
95 #define spl7()  _spl(PSL_S|PSL_IPL7)
96 
97 /*
98  * These four globals contain the appropriate PSL_S|PSL_IPL? values
99  * to raise interrupt priority to the requested level.
100  */
101 extern	unsigned short cesfic_bioipl;
102 extern	unsigned short cesfic_netipl;
103 extern	unsigned short cesfic_ttyipl;
104 extern	unsigned short cesfic_impipl;
105 
106 /* These spl calls are used by machine-independent code. */
107 #define	spllowersoftclock() spl1()
108 #define	splsoft()	splraise1()
109 #define splsoftclock()	splsoft()
110 #define splsoftnet()	splsoft()
111 #define splbio()	_splraise(cesfic_bioipl)
112 #define splnet()	_splraise(cesfic_netipl)
113 #define spltty()	_splraise(cesfic_ttyipl)
114 #define splvm()		_splraise(cesfic_impipl)
115 #define splclock()	spl6()
116 #define splstatclock()	spl6()
117 #define splhigh()	spl7()
118 #define splsched()	spl7()
119 #define spllock()	spl7()
120 
121 /* watch out for side effects */
122 #define splx(s)         (s & PSL_IPL ? _spl(s) : spl0())
123 
124 int	spl0 __P((void));
125 #endif /* _KERNEL && !_LOCORE */
126 
127 #endif /* !_CESFIC_INTR_H_ */
128