intr.h revision 1.2.2.3
1 1.2.2.3 yamt /* $NetBSD: intr.h,v 1.2.2.3 2007/02/26 09:07:09 yamt Exp $ */ 2 1.2.2.2 yamt 3 1.2.2.2 yamt /*- 4 1.2.2.2 yamt * Copyright (c) 2002 The NetBSD Foundation, Inc. 5 1.2.2.2 yamt * All rights reserved. 6 1.2.2.2 yamt * 7 1.2.2.2 yamt * Redistribution and use in source and binary forms, with or without 8 1.2.2.2 yamt * modification, are permitted provided that the following conditions 9 1.2.2.2 yamt * are met: 10 1.2.2.2 yamt * 1. Redistributions of source code must retain the above copyright 11 1.2.2.2 yamt * notice, this list of conditions and the following disclaimer. 12 1.2.2.2 yamt * 2. Redistributions in binary form must reproduce the above copyright 13 1.2.2.2 yamt * notice, this list of conditions and the following disclaimer in the 14 1.2.2.2 yamt * documentation and/or other materials provided with the distribution. 15 1.2.2.2 yamt * 3. All advertising materials mentioning features or use of this software 16 1.2.2.2 yamt * must display the following acknowledgement: 17 1.2.2.2 yamt * This product includes software developed by the NetBSD 18 1.2.2.2 yamt * Foundation, Inc. and its contributors. 19 1.2.2.2 yamt * 4. Neither the name of The NetBSD Foundation nor the names of its 20 1.2.2.2 yamt * contributors may be used to endorse or promote products derived 21 1.2.2.2 yamt * from this software without specific prior written permission. 22 1.2.2.2 yamt * 23 1.2.2.2 yamt * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 24 1.2.2.2 yamt * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 25 1.2.2.2 yamt * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 26 1.2.2.2 yamt * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 27 1.2.2.2 yamt * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 28 1.2.2.2 yamt * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 29 1.2.2.2 yamt * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 30 1.2.2.2 yamt * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 31 1.2.2.2 yamt * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 32 1.2.2.2 yamt * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 33 1.2.2.2 yamt * POSSIBILITY OF SUCH DAMAGE. 34 1.2.2.2 yamt */ 35 1.2.2.2 yamt 36 1.2.2.2 yamt #ifndef _LANDISK_INTR_H_ 37 1.2.2.2 yamt #define _LANDISK_INTR_H_ 38 1.2.2.2 yamt 39 1.2.2.2 yamt #include <sh3/intr.h> 40 1.2.2.2 yamt 41 1.2.2.2 yamt /* Number of interrupt source */ 42 1.2.2.2 yamt #define _INTR_N 16 43 1.2.2.2 yamt 44 1.2.2.2 yamt /* Interrupt priority levels */ 45 1.2.2.2 yamt #define IPL_BIO 10 /* block I/O */ 46 1.2.2.2 yamt #define IPL_NET 11 /* network */ 47 1.2.2.2 yamt #define IPL_TTY 12 /* terminal */ 48 1.2.2.2 yamt #define IPL_VM IPL_TTY 49 1.2.2.2 yamt #define IPL_SERIAL 13 /* serial */ 50 1.2.2.2 yamt #define IPL_CLOCK 14 /* clock */ 51 1.2.2.2 yamt #define IPL_STATCLOCK IPL_CLOCK 52 1.2.2.2 yamt #define IPL_SCHED IPL_CLOCK 53 1.2.2.2 yamt #define IPL_HIGH 15 /* everything */ 54 1.2.2.2 yamt #define IPL_LOCK IPL_HIGH 55 1.2.2.2 yamt 56 1.2.2.3 yamt typedef uint8_t ipl_t; 57 1.2.2.2 yamt typedef struct { 58 1.2.2.2 yamt ipl_t _ipl; 59 1.2.2.2 yamt } ipl_cookie_t; 60 1.2.2.2 yamt 61 1.2.2.2 yamt static inline ipl_cookie_t 62 1.2.2.2 yamt makeiplcookie(ipl_t ipl) 63 1.2.2.2 yamt { 64 1.2.2.2 yamt 65 1.2.2.2 yamt return (ipl_cookie_t){._ipl = ipl << 4}; 66 1.2.2.2 yamt } 67 1.2.2.2 yamt 68 1.2.2.2 yamt static inline int 69 1.2.2.2 yamt splraiseipl(ipl_cookie_t icookie) 70 1.2.2.2 yamt { 71 1.2.2.2 yamt 72 1.2.2.2 yamt return _cpu_intr_raise(icookie._ipl); 73 1.2.2.2 yamt } 74 1.2.2.2 yamt 75 1.2.2.2 yamt #include <sys/spl.h> 76 1.2.2.2 yamt 77 1.2.2.2 yamt #define spl0() _cpu_intr_resume(IPL_NONE << 4) 78 1.2.2.2 yamt #define splx(x) _cpu_intr_resume(x) 79 1.2.2.2 yamt 80 1.2.2.2 yamt void intr_init(void); 81 1.2.2.2 yamt void *extintr_establish(int irq, int level, int (*func)(void *), void *arg); 82 1.2.2.2 yamt void extintr_disestablish(void *ih); 83 1.2.2.2 yamt void extintr_enable(void *ih); 84 1.2.2.2 yamt void extintr_disable(void *ih); 85 1.2.2.2 yamt void extintr_disable_by_num(int irq); 86 1.2.2.2 yamt 87 1.2.2.2 yamt #endif /* !_LANDISK_INTR_H_ */ 88
Indexes created Tue Oct 28 02:10:10 GMT 2025