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

1.1       nbrk        1: /*     $OpenBSD: intr.h,v 1.6 2007/05/16 19:38:21 thib Exp $   */
                      2: /*     $NetBSD: intr.h,v 1.1 2006/09/01 21:26:18 uwe Exp $     */
                      3:
                      4: /*-
                      5:  * Copyright (c) 2002 The NetBSD Foundation, Inc.
                      6:  * All rights reserved.
                      7:  *
                      8:  * Redistribution and use in source and binary forms, with or without
                      9:  * modification, are permitted provided that the following conditions
                     10:  * are met:
                     11:  * 1. Redistributions of source code must retain the above copyright
                     12:  *    notice, this list of conditions and the following disclaimer.
                     13:  * 2. Redistributions in binary form must reproduce the above copyright
                     14:  *    notice, this list of conditions and the following disclaimer in the
                     15:  *    documentation and/or other materials provided with the distribution.
                     16:  * 3. All advertising materials mentioning features or use of this software
                     17:  *    must display the following acknowledgement:
                     18:  *        This product includes software developed by the NetBSD
                     19:  *        Foundation, Inc. and its contributors.
                     20:  * 4. Neither the name of The NetBSD Foundation nor the names of its
                     21:  *    contributors may be used to endorse or promote products derived
                     22:  *    from this software without specific prior written permission.
                     23:  *
                     24:  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
                     25:  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
                     26:  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
                     27:  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
                     28:  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
                     29:  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
                     30:  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
                     31:  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
                     32:  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
                     33:  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
                     34:  * POSSIBILITY OF SUCH DAMAGE.
                     35:  */
                     36:
                     37: #ifndef _LANDISK_INTR_H_
                     38: #define _LANDISK_INTR_H_
                     39:
                     40: #include <sh/intr.h>
                     41:
                     42: /* Number of interrupt source */
                     43: #define _INTR_N                16
                     44:
                     45: /* Interrupt priority levels */
                     46: #define        IPL_BIO         10      /* block I/O */
                     47: #define        IPL_NET         11      /* network */
                     48: #define        IPL_TTY         12      /* terminal */
                     49: #define        IPL_AUDIO       13      /* serial */
                     50: #define        IPL_CLOCK       14      /* clock */
                     51: #define        IPL_SCHED       14      /* scheduling */
                     52: #define        IPL_HIGH        15      /* everything */
                     53:
                     54: #define        splsoftclock()          _cpu_intr_raise(IPL_SOFTCLOCK << 4)
                     55: #define        splsoftnet()            _cpu_intr_raise(IPL_SOFTNET << 4)
                     56: #define        splsoftserial()         _cpu_intr_raise(IPL_SOFTSERIAL << 4)
                     57: #define        splbio()                _cpu_intr_raise(IPL_BIO << 4)
                     58: #define        splnet()                _cpu_intr_raise(IPL_NET << 4)
                     59: #define        spltty()                _cpu_intr_raise(IPL_TTY << 4)
                     60: #define        splvm()                 spltty()
                     61: #define        splaudio()              _cpu_intr_raise(IPL_AUDIO << 4)
                     62: #define        splclock()              _cpu_intr_raise(IPL_CLOCK << 4)
                     63: #define        splstatclock()          splclock()
                     64: #define        splsched()              _cpu_intr_raise(IPL_SCHED << 4)
                     65: #define        splhigh()               _cpu_intr_suspend()
                     66: #define        spllock()               splhigh()
                     67:
                     68: #define        spl0()                  _cpu_intr_resume(IPL_NONE << 4)
                     69: #define        splx(x)                 _cpu_intr_resume(x)
                     70:
                     71: #ifdef DIAGNOSTIC
                     72: /*
                     73:  * Although this function is implemented in MI code, it must be in this MD
                     74:  * header because we don't want this header to include MI includes.
                     75:  */
                     76: void splassert_fail(int, int, const char *);
                     77: extern int splassert_ctl;
                     78: void splassert_check(int, const char *);
                     79: #define        splassert(__wantipl) \
                     80: do {                                                                   \
                     81:        if (splassert_ctl > 0) {                                        \
                     82:                splassert_check(__wantipl, __func__);                   \
                     83:        }                                                               \
                     84: } while (0)
                     85: #else
                     86: #define        splassert(wantipl)      do { /* nothing yet */ } while (0)
                     87: #endif
                     88:
                     89: void intr_init(void);
                     90: void *extintr_establish(int, int, int (*)(void *), void *, const char *);
                     91: void extintr_disestablish(void *ih);
                     92: void extintr_enable(void *ih);
                     93: void extintr_disable(void *ih);
                     94: void extintr_disable_by_num(int irq);
                     95:
                     96: #endif /* !_LANDISK_INTR_H_ */