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Annotation of sys/arch/m88k/include/intr.h, Revision 1.1.1.1

1.1       nbrk        1: /*     $OpenBSD: intr.h,v 1.8 2007/05/16 19:37:06 thib Exp $   */
                      2: /*
                      3:  * Copyright (C) 2000 Steve Murphree, Jr.
                      4:  * All rights reserved.
                      5:  *
                      6:  * Redistribution and use in source and binary forms, with or without
                      7:  * modification, are permitted provided that the following conditions
                      8:  * are met:
                      9:  * 1. Redistributions of source code must retain the above copyright
                     10:  *    notice, this list of conditions and the following disclaimer.
                     11:  * 2. Redistributions in binary form must reproduce the above copyright
                     12:  *    notice, this list of conditions and the following disclaimer in the
                     13:  *    documentation and/or other materials provided with the distribution.
                     14:  * 3. The name of the author may not be used to endorse or promote products
                     15:  *    derived from this software without specific prior written permission.
                     16:  *
                     17:  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
                     18:  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
                     19:  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
                     20:  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
                     21:  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
                     22:  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
                     23:  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
                     24:  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
                     25:  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
                     26:  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
                     27:  */
                     28:
                     29: #ifndef _M88K_INTR_H_
                     30: #define _M88K_INTR_H_
                     31:
                     32: #ifdef _KERNEL
                     33: #ifndef _LOCORE
                     34: unsigned setipl(unsigned level);
                     35: unsigned raiseipl(unsigned level);
                     36: int spl0(void);
                     37:
                     38: /* SPL asserts */
                     39: #ifdef DIAGNOSTIC
                     40: /*
                     41:  * Although this function is implemented in MI code, it must be in this MD
                     42:  * header because we don't want this header to include MI includes.
                     43:  */
                     44: void splassert_fail(int, int, const char *);
                     45: extern int splassert_ctl;
                     46: void splassert_check(int, const char *);
                     47: #define splassert(__wantipl) do {                      \
                     48:        if (splassert_ctl > 0) {                        \
                     49:                splassert_check(__wantipl, __func__);   \
                     50:        }                                               \
                     51: } while (0)
                     52: #else
                     53: #define        splassert(wantipl)      do { /* nothing */ } while (0)
                     54: #endif
                     55:
                     56: #endif /* _LOCORE */
                     57:
                     58: #define splsoftclock()         raiseipl(IPL_SOFTCLOCK)
                     59: #define splsoftnet()           raiseipl(IPL_SOFTNET)
                     60: #define splbio()               raiseipl(IPL_BIO)
                     61: #define splnet()               raiseipl(IPL_NET)
                     62: #define spltty()               raiseipl(IPL_TTY)
                     63: #define splclock()             raiseipl(IPL_CLOCK)
                     64: #define splstatclock()         raiseipl(IPL_STATCLOCK)
                     65: #define        splsched()              raiseipl(IPL_SCHED)
                     66: #define splvm()                        raiseipl(IPL_VM)
                     67: #define splhigh()              setipl(IPL_HIGH)
                     68:
                     69: #define        spllock()               splhigh()
                     70:
                     71: #define splx(x)                        ((x) ? setipl((x)) : spl0())
                     72:
                     73: #endif /* _KERNEL */
                     74: #endif /* _M88K_INTR_H_ */