sys/arch/amiga/include/intr.h

   1 /*      $NetBSD: intr.h,v 1.20 2008/04/28 20:23:12 martin 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 static inline ipl_cookie_t
  62 makeiplcookie(ipl_t ipl)
  63 {
  64
  65         return (ipl_cookie_t){._ipl = ipl};
  66 }
  67
  68 static inline int
  69 splraiseipl(ipl_cookie_t icookie)
  70 {
  71
  72         return _splraise(ipl2spl_table[icookie._ipl]);
  73 }
  74
  75 #ifdef _KERNEL_OPT
  76 #include "opt_lev6_defer.h"
  77 #endif
  78
  79 #define spl0()                  _spl0() /* we have real software interrupts */
  80 #define splsoftclock()          splraise1()
  81 #define splsoftnet()            splraise1()
  82 #define splsoftserial()         splraise1()
  83 #define splsoftbio()            splraise1()
  84 #define splvm()                 splraise4()
  85
  86 #ifndef _LKM
  87
  88 #ifndef LEV6_DEFER
  89 #define splsched()      splraise6()
  90 #define splhigh()       spl7()
  91 #else
  92 #define splsched()      splraise4()
  93 #define splhigh()       splraise4()
  94 #endif
  95
  96 #else   /* _LKM */
  97
  98 extern int _spllkm6(void);
  99 extern int _spllkm7(void);
 100
 101 #define splsched()      _spllkm6()
 102 #define splhigh()       _spllkm7()
 103
 104 #endif /* _LKM */
 105
 106 #define splx(s)         _spl(s)
 107
 108 #endif  /* !_AMIGA_INTR_H_ */