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