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1/*
2 * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
3 *
4 * @APPLE_LICENSE_HEADER_START@
5 *
6 * The contents of this file constitute Original Code as defined in and
7 * are subject to the Apple Public Source License Version 1.1 (the
8 * "License"). You may not use this file except in compliance with the
9 * License. Please obtain a copy of the License at
10 * http://www.apple.com/publicsource and read it before using this file.
11 *
12 * This Original Code and all software distributed under the License are
13 * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
14 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
15 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the
17 * License for the specific language governing rights and limitations
18 * under the License.
19 *
20 * @APPLE_LICENSE_HEADER_END@
21 */
22#include <pexpert/pexpert.h>
23#include <pexpert/protos.h>
24#include <machine/machine_routines.h>
25#include <i386/machine_cpu.h>
26#include <i386/mp.h>
27#include <sys/kdebug.h>
28
29struct i386_interrupt_handler {
30 IOInterruptHandler handler;
31 void *nub;
32 void *target;
33 void *refCon;
34};
35
36typedef struct i386_interrupt_handler i386_interrupt_handler_t;
37
38i386_interrupt_handler_t PE_interrupt_handler;
39
40void PE_platform_interrupt_initialize(void)
41{
42}
43
44
45
46void
47PE_incoming_interrupt(int interrupt, void *state)
48{
49 i386_interrupt_handler_t *vector;
50
51 KERNEL_DEBUG_CONSTANT(MACHDBG_CODE(DBG_MACH_EXCP_INTR, 0) | DBG_FUNC_START,
52 0, ((unsigned int *)state)[5], 0, 0, 0);
53
54 vector = &PE_interrupt_handler;
55
56 switch (interrupt) {
57 case APIC_ERROR_INTERRUPT:
58 case SPURIOUS_INTERRUPT:
59 case INTERPROCESS_INTERRUPT:
60 lapic_interrupt(interrupt, state);
61 break;
62 default:
63 vector->handler(vector->target, state, vector->nub, interrupt);
64 }
65
66 KERNEL_DEBUG_CONSTANT(MACHDBG_CODE(DBG_MACH_EXCP_INTR, 0) | DBG_FUNC_END,
67 0, 0, 0, 0, 0);
68}
69
70void PE_install_interrupt_handler(void *nub, 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}