xref: /xnu-8020.140.41/iokit/IOKit/platform/AppleNMI.h (revision 27b03b360a988dfd3dfdf34262bb0042026747cc)
1*27b03b36SApple OSS Distributions /*
2*27b03b36SApple OSS Distributions  * Copyright (c) 1998-2000 Apple Computer, Inc. All rights reserved.
3*27b03b36SApple OSS Distributions  *
4*27b03b36SApple OSS Distributions  * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
5*27b03b36SApple OSS Distributions  *
6*27b03b36SApple OSS Distributions  * This file contains Original Code and/or Modifications of Original Code
7*27b03b36SApple OSS Distributions  * as defined in and that are subject to the Apple Public Source License
8*27b03b36SApple OSS Distributions  * Version 2.0 (the 'License'). You may not use this file except in
9*27b03b36SApple OSS Distributions  * compliance with the License. The rights granted to you under the License
10*27b03b36SApple OSS Distributions  * may not be used to create, or enable the creation or redistribution of,
11*27b03b36SApple OSS Distributions  * unlawful or unlicensed copies of an Apple operating system, or to
12*27b03b36SApple OSS Distributions  * circumvent, violate, or enable the circumvention or violation of, any
13*27b03b36SApple OSS Distributions  * terms of an Apple operating system software license agreement.
14*27b03b36SApple OSS Distributions  *
15*27b03b36SApple OSS Distributions  * Please obtain a copy of the License at
16*27b03b36SApple OSS Distributions  * http://www.opensource.apple.com/apsl/ and read it before using this file.
17*27b03b36SApple OSS Distributions  *
18*27b03b36SApple OSS Distributions  * The Original Code and all software distributed under the License are
19*27b03b36SApple OSS Distributions  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
20*27b03b36SApple OSS Distributions  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
21*27b03b36SApple OSS Distributions  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
22*27b03b36SApple OSS Distributions  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
23*27b03b36SApple OSS Distributions  * Please see the License for the specific language governing rights and
24*27b03b36SApple OSS Distributions  * limitations under the License.
25*27b03b36SApple OSS Distributions  *
26*27b03b36SApple OSS Distributions  * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
27*27b03b36SApple OSS Distributions  */
28*27b03b36SApple OSS Distributions /*
29*27b03b36SApple OSS Distributions  * Copyright (c) 1998-9 Apple Computer, Inc.  All rights reserved.
30*27b03b36SApple OSS Distributions  *
31*27b03b36SApple OSS Distributions  *  DRI: Josh de Cesare
32*27b03b36SApple OSS Distributions  *
33*27b03b36SApple OSS Distributions  */
34*27b03b36SApple OSS Distributions 
35*27b03b36SApple OSS Distributions #ifndef _IOKIT_APPLENMI_H
36*27b03b36SApple OSS Distributions #define _IOKIT_APPLENMI_H
37*27b03b36SApple OSS Distributions 
38*27b03b36SApple OSS Distributions #include <IOKit/IOService.h>
39*27b03b36SApple OSS Distributions #include <IOKit/IOInterrupts.h>
40*27b03b36SApple OSS Distributions 
41*27b03b36SApple OSS Distributions // NMI Interrupt Constants
42*27b03b36SApple OSS Distributions enum{
43*27b03b36SApple OSS Distributions 	kExtInt9_NMIIntSource      = 0x800506E0,
44*27b03b36SApple OSS Distributions 	kNMIIntLevelMask           = 0x00004000,
45*27b03b36SApple OSS Distributions 	kNMIIntMask                = 0x00000080
46*27b03b36SApple OSS Distributions };
47*27b03b36SApple OSS Distributions 
48*27b03b36SApple OSS Distributions 
49*27b03b36SApple OSS Distributions class AppleNMI : public IOService
50*27b03b36SApple OSS Distributions {
51*27b03b36SApple OSS Distributions 	OSDeclareDefaultStructors(AppleNMI);
52*27b03b36SApple OSS Distributions 
53*27b03b36SApple OSS Distributions private:
54*27b03b36SApple OSS Distributions 	bool enable_debugger;
55*27b03b36SApple OSS Distributions 	bool mask_NMI;
56*27b03b36SApple OSS Distributions 
57*27b03b36SApple OSS Distributions 	struct ExpansionData { };
58*27b03b36SApple OSS Distributions 	ExpansionData * reserved; // Reserved for future use
59*27b03b36SApple OSS Distributions 
60*27b03b36SApple OSS Distributions public:
61*27b03b36SApple OSS Distributions 	IOService *rootDomain;
62*27b03b36SApple OSS Distributions 	virtual bool start(IOService *provider) APPLE_KEXT_OVERRIDE;
63*27b03b36SApple OSS Distributions 	virtual IOReturn initNMI(IOInterruptController *parentController, OSData *parentSource);
64*27b03b36SApple OSS Distributions 	virtual IOReturn handleInterrupt(void *refCon, IOService *nub, int source);
65*27b03b36SApple OSS Distributions 
66*27b03b36SApple OSS Distributions // Power handling methods:
67*27b03b36SApple OSS Distributions 	virtual IOReturn powerStateWillChangeTo(IOPMPowerFlags, unsigned long, IOService*) APPLE_KEXT_OVERRIDE;
68*27b03b36SApple OSS Distributions 
69*27b03b36SApple OSS Distributions 	OSMetaClassDeclareReservedUnused(AppleNMI, 0);
70*27b03b36SApple OSS Distributions 	OSMetaClassDeclareReservedUnused(AppleNMI, 1);
71*27b03b36SApple OSS Distributions 	OSMetaClassDeclareReservedUnused(AppleNMI, 2);
72*27b03b36SApple OSS Distributions 	OSMetaClassDeclareReservedUnused(AppleNMI, 3);
73*27b03b36SApple OSS Distributions };
74*27b03b36SApple OSS Distributions 
75*27b03b36SApple OSS Distributions #endif /* ! _IOKIT_APPLENMI_H */
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