1/* 2 * Copyright (c) 2000-2006 Apple Computer, Inc. All rights reserved. 3 * 4 * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ 5 * 6 * This file contains Original Code and/or Modifications of Original Code 7 * as defined in and that are subject to the Apple Public Source License 8 * Version 2.0 (the 'License'). You may not use this file except in 9 * compliance with the License. The rights granted to you under the License 10 * may not be used to create, or enable the creation or redistribution of, 11 * unlawful or unlicensed copies of an Apple operating system, or to 12 * circumvent, violate, or enable the circumvention or violation of, any 13 * terms of an Apple operating system software license agreement. 14 * 15 * Please obtain a copy of the License at 16 * http://www.opensource.apple.com/apsl/ and read it before using this file. 17 * 18 * The Original Code and all software distributed under the License are 19 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER 20 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, 21 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, 22 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. 23 * Please see the License for the specific language governing rights and 24 * limitations under the License. 25 * 26 * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ 27 */ 28#include <pexpert/pexpert.h> 29#include <pexpert/protos.h> 30#include <machine/machine_routines.h> 31 32#if CONFIG_DTRACE && DEVELOPMENT 33#include <mach/sdt.h> 34#endif 35 36void PE_incoming_interrupt(int); 37 38 39struct i386_interrupt_handler { 40 IOInterruptHandler handler; 41 void *nub; 42 void *target; 43 void *refCon; 44}; 45 46typedef struct i386_interrupt_handler i386_interrupt_handler_t; 47 48i386_interrupt_handler_t PE_interrupt_handler; 49 50 51 52void 53PE_incoming_interrupt(int interrupt) 54{ 55 i386_interrupt_handler_t *vector; 56 57 vector = &PE_interrupt_handler; 58 59#if CONFIG_DTRACE && DEVELOPMENT 60 DTRACE_INT5(interrupt_start, void *, vector->nub, int, 0, 61 void *, vector->target, IOInterruptHandler, vector->handler, 62 void *, vector->refCon); 63#endif 64 65 vector->handler(vector->target, NULL, vector->nub, interrupt); 66 67#if CONFIG_DTRACE && DEVELOPMENT 68 DTRACE_INT5(interrupt_complete, void *, vector->nub, int, 0, 69 void *, vector->target, IOInterruptHandler, vector->handler, 70 void *, vector->refCon); 71#endif 72} 73 74void PE_install_interrupt_handler(void *nub, 75 __unused int source, 76 void *target, 77 IOInterruptHandler handler, 78 void *refCon) 79{ 80 i386_interrupt_handler_t *vector; 81 82 vector = &PE_interrupt_handler; 83 84 /*vector->source = source; IGNORED */ 85 vector->handler = handler; 86 vector->nub = nub; 87 vector->target = target; 88 vector->refCon = refCon; 89} 90