intr.c revision 1.2.8.2
1 1.2.8.2 mjf /* $NetBSD: intr.c,v 1.2.8.2 2008/02/18 21:07:22 mjf Exp $ */ 2 1.2.8.2 mjf 3 1.2.8.2 mjf /*- 4 1.2.8.2 mjf * Copyright (c) 2007 The NetBSD Foundation, Inc. 5 1.2.8.2 mjf * All rights reserved. 6 1.2.8.2 mjf * 7 1.2.8.2 mjf * This code is derived from software contributed to The NetBSD Foundation 8 1.2.8.2 mjf * by Andrew Doran. 9 1.2.8.2 mjf * 10 1.2.8.2 mjf * Redistribution and use in source and binary forms, with or without 11 1.2.8.2 mjf * modification, are permitted provided that the following conditions 12 1.2.8.2 mjf * are met: 13 1.2.8.2 mjf * 1. Redistributions of source code must retain the above copyright 14 1.2.8.2 mjf * notice, this list of conditions and the following disclaimer. 15 1.2.8.2 mjf * 2. Redistributions in binary form must reproduce the above copyright 16 1.2.8.2 mjf * notice, this list of conditions and the following disclaimer in the 17 1.2.8.2 mjf * documentation and/or other materials provided with the distribution. 18 1.2.8.2 mjf * 3. All advertising materials mentioning features or use of this software 19 1.2.8.2 mjf * must display the following acknowledgement: 20 1.2.8.2 mjf * This product includes software developed by the NetBSD 21 1.2.8.2 mjf * Foundation, Inc. and its contributors. 22 1.2.8.2 mjf * 4. Neither the name of The NetBSD Foundation nor the names of its 23 1.2.8.2 mjf * contributors may be used to endorse or promote products derived 24 1.2.8.2 mjf * from this software without specific prior written permission. 25 1.2.8.2 mjf * 26 1.2.8.2 mjf * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 27 1.2.8.2 mjf * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 28 1.2.8.2 mjf * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 29 1.2.8.2 mjf * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 30 1.2.8.2 mjf * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 31 1.2.8.2 mjf * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 32 1.2.8.2 mjf * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 33 1.2.8.2 mjf * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 34 1.2.8.2 mjf * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 35 1.2.8.2 mjf * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 36 1.2.8.2 mjf * POSSIBILITY OF SUCH DAMAGE. 37 1.2.8.2 mjf */ 38 1.2.8.2 mjf 39 1.2.8.2 mjf #include <sys/param.h> 40 1.2.8.2 mjf #include <sys/errno.h> 41 1.2.8.2 mjf #include <sys/intr.h> 42 1.2.8.2 mjf #include <sys/kmem.h> 43 1.2.8.2 mjf #include <sys/cpu.h> 44 1.2.8.2 mjf 45 1.2.8.2 mjf #include "rump.h" 46 1.2.8.2 mjf #include "rumpuser.h" 47 1.2.8.2 mjf 48 1.2.8.2 mjf struct v_dodgy { 49 1.2.8.2 mjf void (*func)(void *); 50 1.2.8.2 mjf void *arg; 51 1.2.8.2 mjf }; 52 1.2.8.2 mjf 53 1.2.8.2 mjf void * 54 1.2.8.2 mjf softint_establish(u_int flags, void (*func)(void *), void *arg) 55 1.2.8.2 mjf { 56 1.2.8.2 mjf struct v_dodgy *vd; 57 1.2.8.2 mjf 58 1.2.8.2 mjf vd = kmem_alloc(sizeof(*vd), KM_SLEEP); 59 1.2.8.2 mjf if (vd != NULL) { 60 1.2.8.2 mjf vd->func = func; 61 1.2.8.2 mjf vd->arg = arg; 62 1.2.8.2 mjf } 63 1.2.8.2 mjf return vd; 64 1.2.8.2 mjf } 65 1.2.8.2 mjf 66 1.2.8.2 mjf void 67 1.2.8.2 mjf softint_disestablish(void *arg) 68 1.2.8.2 mjf { 69 1.2.8.2 mjf 70 1.2.8.2 mjf kmem_free(arg, sizeof(struct v_dodgy)); 71 1.2.8.2 mjf } 72 1.2.8.2 mjf 73 1.2.8.2 mjf void 74 1.2.8.2 mjf softint_schedule(void *arg) 75 1.2.8.2 mjf { 76 1.2.8.2 mjf struct v_dodgy *vd; 77 1.2.8.2 mjf 78 1.2.8.2 mjf vd = arg; 79 1.2.8.2 mjf (*(vd->func))(arg); 80 1.2.8.2 mjf } 81 1.2.8.2 mjf 82 1.2.8.2 mjf bool 83 1.2.8.2 mjf cpu_intr_p(void) 84 1.2.8.2 mjf { 85 1.2.8.2 mjf 86 1.2.8.2 mjf return false; 87 1.2.8.2 mjf } 88
Indexes created Wed Sep 24 15:09:51 GMT 2025