[apple/xnu.git] / iokit / IOKit / platform / AppleNMI.h

/*
 * Copyright (c) 1998-2000 Apple Computer, Inc. All rights reserved.
 *
 * @APPLE_LICENSE_HEADER_START@
 * 
 * The contents of this file constitute Original Code as defined in and
 * are subject to the Apple Public Source License Version 1.1 (the
 * "License").  You may not use this file except in compliance with the
 * License.  Please obtain a copy of the License at
 * http://www.apple.com/publicsource and read it before using this file.
 * 
 * This Original Code and all software distributed under the License are
 * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
 * License for the specific language governing rights and limitations
 * under the License.
 * 
 * @APPLE_LICENSE_HEADER_END@
 */
/*
 * Copyright (c) 1998-9 Apple Computer, Inc.  All rights reserved.
 *
 *  DRI: Josh de Cesare
 *
 */

#ifndef _IOKIT_APPLENMI_H
#define _IOKIT_APPLENMI_H

#include <IOKit/IOService.h>
#include <IOKit/IOInterrupts.h>

// NMI Interrupt Constants
enum
{
    kExtInt9_NMIIntSource      = 0x800506E0,
    kNMIIntLevelMask           = 0x00004000,
    kNMIIntMask                = 0x00000080
};


class AppleNMI : public IOService
{
  OSDeclareDefaultStructors(AppleNMI);

private:
  bool enable_debugger;
  bool mask_NMI;

  struct ExpansionData { };
  ExpansionData * reserved;	// Reserved for future use

public:
  IOService *rootDomain;
  virtual bool start(IOService *provider);
  virtual IOReturn initNMI(IOInterruptController *parentController, OSData *parentSource);
  virtual IOReturn handleInterrupt(void *refCon, IOService *nub, int source);

  // Power handling methods:
  virtual IOReturn powerStateWillChangeTo(IOPMPowerFlags, unsigned long, IOService*);

  OSMetaClassDeclareReservedUnused(AppleNMI,  0);
  OSMetaClassDeclareReservedUnused(AppleNMI,  1);
  OSMetaClassDeclareReservedUnused(AppleNMI,  2);
  OSMetaClassDeclareReservedUnused(AppleNMI,  3);
};

#endif /* ! _IOKIT_APPLENMI_H */
Commit	Line	Data
1c79356b A	1	/*
	2	* Copyright (c) 1998-2000 Apple Computer, Inc. All rights reserved.
	3	*
	4	* @APPLE_LICENSE_HEADER_START@
	5	*
37839358 A	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.
1c79356b	11	*
37839358 A	12	* This Original Code and all software distributed under the License are
37839358 A	13	* distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
1c79356b A	14	* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
1c79356b A	15	* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
37839358 A	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.
1c79356b A	19	*
	20	* @APPLE_LICENSE_HEADER_END@
	21	*/
	22	/*
	23	* Copyright (c) 1998-9 Apple Computer, Inc. All rights reserved.
	24	*
	25	* DRI: Josh de Cesare
	26	*
	27	*/
	28
	29	#ifndef _IOKIT_APPLENMI_H
	30	#define _IOKIT_APPLENMI_H
	31
	32	#include <IOKit/IOService.h>
	33	#include <IOKit/IOInterrupts.h>
	34
	35	// NMI Interrupt Constants
	36	enum
	37	{
	38	kExtInt9_NMIIntSource = 0x800506E0,
	39	kNMIIntLevelMask = 0x00004000,
	40	kNMIIntMask = 0x00000080
	41	};
	42
	43
	44	class AppleNMI : public IOService
	45	{
	46	OSDeclareDefaultStructors(AppleNMI);
	47
	48	private:
	49	bool enable_debugger;
	50	bool mask_NMI;
	51
	52	struct ExpansionData { };
	53	ExpansionData * reserved; // Reserved for future use
	54
	55	public:
	56	IOService *rootDomain;
	57	virtual bool start(IOService *provider);
	58	virtual IOReturn initNMI(IOInterruptController parentController, OSData parentSource);
	59	virtual IOReturn handleInterrupt(void refCon, IOService nub, int source);
	60
	61	// Power handling methods:
	62	virtual IOReturn powerStateWillChangeTo(IOPMPowerFlags, unsigned long, IOService*);
	63
	64	OSMetaClassDeclareReservedUnused(AppleNMI, 0);
	65	OSMetaClassDeclareReservedUnused(AppleNMI, 1);
	66	OSMetaClassDeclareReservedUnused(AppleNMI, 2);
	67	OSMetaClassDeclareReservedUnused(AppleNMI, 3);
	68	};
	69
	70	#endif /* ! _IOKIT_APPLENMI_H */