1/*
2 * Copyright (c) 1998-2000 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/*
29 * Copyright (c) 1998-9 Apple Computer, Inc.  All rights reserved.
30 *
31 *  DRI: Josh de Cesare
32 *
33 */
34
35#ifndef _IOKIT_APPLENMI_H
36#define _IOKIT_APPLENMI_H
37
38#include <IOKit/IOService.h>
39#include <IOKit/IOInterrupts.h>
40
41// NMI Interrupt Constants
42enum
43{
44    kExtInt9_NMIIntSource      = 0x800506E0,
45    kNMIIntLevelMask           = 0x00004000,
46    kNMIIntMask                = 0x00000080
47};
48
49
50class AppleNMI : public IOService
51{
52  OSDeclareDefaultStructors(AppleNMI);
53
54private:
55  bool enable_debugger;
56  bool mask_NMI;
57
58  struct ExpansionData { };
59  ExpansionData * reserved;	// Reserved for future use
60
61public:
62  IOService *rootDomain;
63  virtual bool start(IOService *provider);
64  virtual IOReturn initNMI(IOInterruptController *parentController, OSData *parentSource);
65  virtual IOReturn handleInterrupt(void *refCon, IOService *nub, int source);
66
67  // Power handling methods:
68  virtual IOReturn powerStateWillChangeTo(IOPMPowerFlags, unsigned long, IOService*);
69
70  OSMetaClassDeclareReservedUnused(AppleNMI,  0);
71  OSMetaClassDeclareReservedUnused(AppleNMI,  1);
72  OSMetaClassDeclareReservedUnused(AppleNMI,  2);
73  OSMetaClassDeclareReservedUnused(AppleNMI,  3);
74};
75
76#endif /* ! _IOKIT_APPLENMI_H */
77