xref: /xnu-10002.81.5/iokit/IOKit/platform/AppleNMI.h (revision 5e3eaea39dcf651e66cb99ba7d70e32cc4a99587)
1*5e3eaea3SApple OSS Distributions /*
2*5e3eaea3SApple OSS Distributions  * Copyright (c) 1998-2000 Apple Computer, Inc. All rights reserved.
3*5e3eaea3SApple OSS Distributions  *
4*5e3eaea3SApple OSS Distributions  * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
5*5e3eaea3SApple OSS Distributions  *
6*5e3eaea3SApple OSS Distributions  * This file contains Original Code and/or Modifications of Original Code
7*5e3eaea3SApple OSS Distributions  * as defined in and that are subject to the Apple Public Source License
8*5e3eaea3SApple OSS Distributions  * Version 2.0 (the 'License'). You may not use this file except in
9*5e3eaea3SApple OSS Distributions  * compliance with the License. The rights granted to you under the License
10*5e3eaea3SApple OSS Distributions  * may not be used to create, or enable the creation or redistribution of,
11*5e3eaea3SApple OSS Distributions  * unlawful or unlicensed copies of an Apple operating system, or to
12*5e3eaea3SApple OSS Distributions  * circumvent, violate, or enable the circumvention or violation of, any
13*5e3eaea3SApple OSS Distributions  * terms of an Apple operating system software license agreement.
14*5e3eaea3SApple OSS Distributions  *
15*5e3eaea3SApple OSS Distributions  * Please obtain a copy of the License at
16*5e3eaea3SApple OSS Distributions  * http://www.opensource.apple.com/apsl/ and read it before using this file.
17*5e3eaea3SApple OSS Distributions  *
18*5e3eaea3SApple OSS Distributions  * The Original Code and all software distributed under the License are
19*5e3eaea3SApple OSS Distributions  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
20*5e3eaea3SApple OSS Distributions  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
21*5e3eaea3SApple OSS Distributions  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
22*5e3eaea3SApple OSS Distributions  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
23*5e3eaea3SApple OSS Distributions  * Please see the License for the specific language governing rights and
24*5e3eaea3SApple OSS Distributions  * limitations under the License.
25*5e3eaea3SApple OSS Distributions  *
26*5e3eaea3SApple OSS Distributions  * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
27*5e3eaea3SApple OSS Distributions  */
28*5e3eaea3SApple OSS Distributions /*
29*5e3eaea3SApple OSS Distributions  * Copyright (c) 1998-9 Apple Computer, Inc.  All rights reserved.
30*5e3eaea3SApple OSS Distributions  *
31*5e3eaea3SApple OSS Distributions  *  DRI: Josh de Cesare
32*5e3eaea3SApple OSS Distributions  *
33*5e3eaea3SApple OSS Distributions  */
34*5e3eaea3SApple OSS Distributions 
35*5e3eaea3SApple OSS Distributions #ifndef _IOKIT_APPLENMI_H
36*5e3eaea3SApple OSS Distributions #define _IOKIT_APPLENMI_H
37*5e3eaea3SApple OSS Distributions 
38*5e3eaea3SApple OSS Distributions #include <IOKit/IOService.h>
39*5e3eaea3SApple OSS Distributions #include <IOKit/IOInterrupts.h>
40*5e3eaea3SApple OSS Distributions 
41*5e3eaea3SApple OSS Distributions // NMI Interrupt Constants
42*5e3eaea3SApple OSS Distributions enum{
43*5e3eaea3SApple OSS Distributions 	kExtInt9_NMIIntSource      = 0x800506E0,
44*5e3eaea3SApple OSS Distributions 	kNMIIntLevelMask           = 0x00004000,
45*5e3eaea3SApple OSS Distributions 	kNMIIntMask                = 0x00000080
46*5e3eaea3SApple OSS Distributions };
47*5e3eaea3SApple OSS Distributions 
48*5e3eaea3SApple OSS Distributions 
49*5e3eaea3SApple OSS Distributions class AppleNMI : public IOService
50*5e3eaea3SApple OSS Distributions {
51*5e3eaea3SApple OSS Distributions 	OSDeclareDefaultStructors(AppleNMI);
52*5e3eaea3SApple OSS Distributions 
53*5e3eaea3SApple OSS Distributions private:
54*5e3eaea3SApple OSS Distributions 	bool enable_debugger;
55*5e3eaea3SApple OSS Distributions 	bool mask_NMI;
56*5e3eaea3SApple OSS Distributions 
57*5e3eaea3SApple OSS Distributions 	struct ExpansionData { };
58*5e3eaea3SApple OSS Distributions 	ExpansionData * reserved; // Reserved for future use
59*5e3eaea3SApple OSS Distributions 
60*5e3eaea3SApple OSS Distributions public:
61*5e3eaea3SApple OSS Distributions 	IOService *rootDomain;
62*5e3eaea3SApple OSS Distributions 	virtual bool start(IOService *provider) APPLE_KEXT_OVERRIDE;
63*5e3eaea3SApple OSS Distributions 	virtual IOReturn initNMI(IOInterruptController *parentController, OSData *parentSource);
64*5e3eaea3SApple OSS Distributions 	virtual IOReturn handleInterrupt(void *refCon, IOService *nub, int source);
65*5e3eaea3SApple OSS Distributions 
66*5e3eaea3SApple OSS Distributions // Power handling methods:
67*5e3eaea3SApple OSS Distributions 	virtual IOReturn powerStateWillChangeTo(IOPMPowerFlags, unsigned long, IOService*) APPLE_KEXT_OVERRIDE;
68*5e3eaea3SApple OSS Distributions 
69*5e3eaea3SApple OSS Distributions 	OSMetaClassDeclareReservedUnused(AppleNMI, 0);
70*5e3eaea3SApple OSS Distributions 	OSMetaClassDeclareReservedUnused(AppleNMI, 1);
71*5e3eaea3SApple OSS Distributions 	OSMetaClassDeclareReservedUnused(AppleNMI, 2);
72*5e3eaea3SApple OSS Distributions 	OSMetaClassDeclareReservedUnused(AppleNMI, 3);
73*5e3eaea3SApple OSS Distributions };
74*5e3eaea3SApple OSS Distributions 
75*5e3eaea3SApple OSS Distributions #endif /* ! _IOKIT_APPLENMI_H */
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