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Annotation of src/sys/arch/landisk/include/intr.h, Revision 1.7

1.7     ! ryo         1: /*     $NetBSD: intr.h,v 1.6 2008/04/28 20:23:26 martin Exp $  */
1.1       uwe         2:
                      3: /*-
                      4:  * Copyright (c) 2002 The NetBSD Foundation, Inc.
                      5:  * All rights reserved.
                      6:  *
                      7:  * Redistribution and use in source and binary forms, with or without
                      8:  * modification, are permitted provided that the following conditions
                      9:  * are met:
                     10:  * 1. Redistributions of source code must retain the above copyright
                     11:  *    notice, this list of conditions and the following disclaimer.
                     12:  * 2. Redistributions in binary form must reproduce the above copyright
                     13:  *    notice, this list of conditions and the following disclaimer in the
                     14:  *    documentation and/or other materials provided with the distribution.
                     15:  *
                     16:  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
                     17:  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
                     18:  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
                     19:  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
                     20:  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
                     21:  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
                     22:  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
                     23:  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
                     24:  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
                     25:  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
                     26:  * POSSIBILITY OF SUCH DAMAGE.
                     27:  */
                     28:
                     29: #ifndef _LANDISK_INTR_H_
                     30: #define _LANDISK_INTR_H_
                     31:
                     32: #include <sh3/intr.h>
                     33:
                     34: /* Number of interrupt source */
                     35: #define _INTR_N                16
                     36:
                     37: /* Interrupt priority levels */
1.5       ad         38: #define        IPL_VM          12      /* low i/o */
                     39: #define        IPL_SCHED       14      /* clock */
1.1       uwe        40: #define        IPL_HIGH        15      /* everything */
                     41:
1.3       ad         42: typedef uint8_t ipl_t;
1.2       yamt       43: typedef struct {
                     44:        ipl_t _ipl;
                     45: } ipl_cookie_t;
                     46:
1.7     ! ryo        47: static inline __always_inline ipl_cookie_t
1.2       yamt       48: makeiplcookie(ipl_t ipl)
                     49: {
                     50:
                     51:        return (ipl_cookie_t){._ipl = ipl << 4};
                     52: }
                     53:
1.7     ! ryo        54: static inline __always_inline int
1.2       yamt       55: splraiseipl(ipl_cookie_t icookie)
                     56: {
                     57:
                     58:        return _cpu_intr_raise(icookie._ipl);
                     59: }
                     60:
                     61: #include <sys/spl.h>
1.1       uwe        62:
                     63: #define        spl0()                  _cpu_intr_resume(IPL_NONE << 4)
                     64: #define        splx(x)                 _cpu_intr_resume(x)
                     65:
                     66: void intr_init(void);
                     67: void *extintr_establish(int irq, int level, int (*func)(void *), void *arg);
                     68: void extintr_disestablish(void *ih);
                     69: void extintr_enable(void *ih);
                     70: void extintr_disable(void *ih);
                     71: void extintr_disable_by_num(int irq);
                     72:
                     73: #endif /* !_LANDISK_INTR_H_ */