1 1.9 reinoud /* $NetBSD: intr.h,v 1.9 2012/03/03 21:15:16 reinoud Exp $ */ 2 1.1 jmcneill 3 1.1 jmcneill /*- 4 1.1 jmcneill * Copyright (c) 2007 Jared D. McNeill <jmcneill (at) invisible.ca> 5 1.1 jmcneill * All rights reserved. 6 1.1 jmcneill * 7 1.1 jmcneill * Redistribution and use in source and binary forms, with or without 8 1.1 jmcneill * modification, are permitted provided that the following conditions 9 1.1 jmcneill * are met: 10 1.1 jmcneill * 1. Redistributions of source code must retain the above copyright 11 1.1 jmcneill * notice, this list of conditions and the following disclaimer. 12 1.1 jmcneill * 2. Redistributions in binary form must reproduce the above copyright 13 1.1 jmcneill * notice, this list of conditions and the following disclaimer in the 14 1.1 jmcneill * documentation and/or other materials provided with the distribution. 15 1.1 jmcneill * 16 1.1 jmcneill * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 17 1.1 jmcneill * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 18 1.1 jmcneill * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 19 1.1 jmcneill * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 20 1.1 jmcneill * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 21 1.1 jmcneill * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 22 1.1 jmcneill * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 23 1.1 jmcneill * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 24 1.1 jmcneill * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 25 1.1 jmcneill * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 26 1.1 jmcneill * POSSIBILITY OF SUCH DAMAGE. 27 1.1 jmcneill */ 28 1.1 jmcneill 29 1.1 jmcneill #ifndef _ARCH_USERMODE_INCLUDE_INTR_H 30 1.1 jmcneill #define _ARCH_USERMODE_INCLUDE_INTR_H 31 1.1 jmcneill 32 1.1 jmcneill #include <machine/intrdefs.h> 33 1.6 jmcneill #include <sys/siginfo.h> 34 1.1 jmcneill 35 1.7 reinoud /* spl */ 36 1.4 reinoud void splinit(void); 37 1.3 jmcneill int splraise(int); 38 1.3 jmcneill void spllower(int); 39 1.1 jmcneill 40 1.1 jmcneill #define spl0() spllower(IPL_NONE) 41 1.1 jmcneill #define splx(x) spllower(x) 42 1.1 jmcneill 43 1.7 reinoud /* traps */ 44 1.9 reinoud typedef void (sigfunc_t)(siginfo_t *info, vaddr_t from_userland, vaddr_t pc, vaddr_t va); 45 1.7 reinoud extern void setup_signal_handlers(void); 46 1.7 reinoud extern void signal_intr_establish(int sig, sigfunc_t f); 47 1.7 reinoud extern void *sigio_intr_establish(int (*)(void *), void *); 48 1.7 reinoud 49 1.7 reinoud /* spl implementation */ 50 1.3 jmcneill typedef uint8_t ipl_t; 51 1.1 jmcneill typedef struct { 52 1.1 jmcneill ipl_t _ipl; 53 1.1 jmcneill } ipl_cookie_t; 54 1.1 jmcneill 55 1.1 jmcneill static inline ipl_cookie_t 56 1.1 jmcneill makeiplcookie(ipl_t ipl) 57 1.1 jmcneill { 58 1.1 jmcneill return (ipl_cookie_t){._ipl = ipl}; 59 1.1 jmcneill } 60 1.1 jmcneill 61 1.1 jmcneill static inline int 62 1.1 jmcneill splraiseipl(ipl_cookie_t icookie) 63 1.1 jmcneill { 64 1.1 jmcneill return splraise(icookie._ipl); 65 1.1 jmcneill } 66 1.1 jmcneill 67 1.1 jmcneill #include <sys/spl.h> 68 1.1 jmcneill 69 1.7 reinoud /* for trap.c */ 70 1.7 reinoud 71 1.1 jmcneill #endif /* !_ARCH_USERMODE_INCLUDE_INTR_H */ 72
Indexes created Mon Sep 22 05:09:51 GMT 2025