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1c79356b 1/*
2d21ac55 2 * Copyright (c) 2000-2006 Apple Computer, Inc. All rights reserved.
1c79356b 3 *
2d21ac55 4 * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
1c79356b 5 *
2d21ac55
A
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.
8f6c56a5 14 *
2d21ac55
A
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
8f6c56a5
A
20 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
21 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
2d21ac55
A
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.
8f6c56a5 25 *
2d21ac55 26 * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
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27 */
28#include <pexpert/pexpert.h>
29#include <pexpert/protos.h>
30#include <machine/machine_routines.h>
91447636 31
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32#if CONFIG_DTRACE && DEVELOPMENT
33#include <mach/sdt.h>
34#endif
35
b0d623f7 36void PE_incoming_interrupt(int);
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37
38
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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
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50
51
1c79356b 52void
b0d623f7 53PE_incoming_interrupt(int interrupt)
1c79356b 54{
1c79356b 55 i386_interrupt_handler_t *vector;
1c79356b 56
9bccf70c 57 vector = &PE_interrupt_handler;
55e303ae 58
2d21ac55 59#if CONFIG_DTRACE && DEVELOPMENT
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60 DTRACE_INT5(interrupt_start, void *, vector->nub, int, 0,
61 void *, vector->target, IOInterruptHandler, vector->handler,
62 void *, vector->refCon);
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63#endif
64
b0d623f7 65 vector->handler(vector->target, NULL, vector->nub, interrupt);
9bccf70c 66
2d21ac55 67#if CONFIG_DTRACE && DEVELOPMENT
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68 DTRACE_INT5(interrupt_complete, void *, vector->nub, int, 0,
69 void *, vector->target, IOInterruptHandler, vector->handler,
70 void *, vector->refCon);
2d21ac55 71#endif
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72}
73
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74void PE_install_interrupt_handler(void *nub,
75 __unused int source,
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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}