]> git.saurik.com Git - apple/xnu.git/blame_incremental - pexpert/i386/pe_interrupt.c
xnu-792.17.14.tar.gz
[apple/xnu.git] / pexpert / i386 / pe_interrupt.c
... / ...
CommitLineData
1/*
2 * Copyright (c) 2000 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#include <i386/mp.h>
32#include <sys/kdebug.h>
33
34
35void PE_incoming_interrupt(int, void *);
36
37
38struct i386_interrupt_handler {
39 IOInterruptHandler handler;
40 void *nub;
41 void *target;
42 void *refCon;
43};
44
45typedef struct i386_interrupt_handler i386_interrupt_handler_t;
46
47i386_interrupt_handler_t PE_interrupt_handler;
48
49
50
51void
52PE_incoming_interrupt(int interrupt, void *state)
53{
54 i386_interrupt_handler_t *vector;
55
56 KERNEL_DEBUG_CONSTANT(MACHDBG_CODE(DBG_MACH_EXCP_INTR, 0) | DBG_FUNC_START,
57 0, ((unsigned int *)state)[7], 0, 0, 0);
58
59 vector = &PE_interrupt_handler;
60
61 if (!lapic_interrupt(interrupt, state)) {
62 vector->handler(vector->target, state, vector->nub, interrupt);
63 }
64
65 KERNEL_DEBUG_CONSTANT(MACHDBG_CODE(DBG_MACH_EXCP_INTR, 0) | DBG_FUNC_END,
66 0, 0, 0, 0, 0);
67}
68
69void PE_install_interrupt_handler(void *nub,
70 __unused int source,
71 void *target,
72 IOInterruptHandler handler,
73 void *refCon)
74{
75 i386_interrupt_handler_t *vector;
76
77 vector = &PE_interrupt_handler;
78
79 /*vector->source = source; IGNORED */
80 vector->handler = handler;
81 vector->nub = nub;
82 vector->target = target;
83 vector->refCon = refCon;
84}