sys/arch/cesfic/include/intr.h

   1 /*      $NetBSD: intr.h,v 1.10 2008/06/22 16:34:15 tsutsui 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 /* These spl calls are used by machine-independent code. */
  98 #define splsoftclock()  splraise1()
  99 #define splsoftbio()    splraise1()
 100 #define splsoftnet()    splraise1()
 101 #define splsoftserial() splraise1()
 102 #define splvm()         splraise4()
 103 #define splsched()      spl6()
 104 #define splhigh()       spl7()
 105
 106 /* watch out for side effects */
 107 #define splx(s)         (s & PSL_IPL ? _spl(s) : spl0())
 108
 109 int     spl0(void);
 110
 111 #define IPL_NONE        0
 112 #define IPL_SOFTCLOCK   1
 113 #define IPL_SOFTBIO     1
 114 #define IPL_SOFTNET     3
 115 #define IPL_SOFTSERIAL  4
 116 #define IPL_VM          5
 117 #define IPL_SCHED       6
 118 #define IPL_HIGH        7
 119 #define NIPL            8
 120
 121 extern const uint16_t ipl2psl_table[NIPL];
 122
 123 typedef int ipl_t;
 124 typedef struct {
 125         uint16_t _psl;
 126 } ipl_cookie_t;
 127
 128 static inline ipl_cookie_t
 129 makeiplcookie(ipl_t ipl)
 130 {
 131
 132         return (ipl_cookie_t){._psl = ipl2psl_table[ipl]};
 133 }
 134
 135 static inline int
 136 splraiseipl(ipl_cookie_t icookie)
 137 {
 138
 139         return _splraise(icookie._psl);
 140 }
 141
 142 #include <m68k/softintr.h>
 143
 144 #endif /* _KERNEL && !_LOCORE */
 145
 146 #endif /* !_CESFIC_INTR_H_ */