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Commit	Line	Data
	1	/*
	2	* Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
	3	*
	4	* @APPLE_LICENSE_HEADER_START@
	5	*
	6	* Copyright (c) 1999-2003 Apple Computer, Inc. All Rights Reserved.
	7	*
	8	* This file contains Original Code and/or Modifications of Original Code
	9	* as defined in and that are subject to the Apple Public Source License
	10	* Version 2.0 (the 'License'). You may not use this file except in
	11	* compliance with the License. Please obtain a copy of the License at
	12	* http://www.opensource.apple.com/apsl/ and read it before using this
	13	* file.
	14	*
	15	* The Original Code and all software distributed under the License are
	16	* distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
	17	* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
	18	* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
	19	* FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
	20	* Please see the License for the specific language governing rights and
	21	* limitations under the License.
	22	*
	23	* @APPLE_LICENSE_HEADER_END@
	24	*/
	25	/*
	26	* Copyright (c) 1999 Apple Computer, Inc. All rights reserved.
	27	*
	28	* DRI: Josh de Cesare
	29	*
	30	*/
	31
	32	#ifndef _IOKIT_CPU_H
	33	#define _IOKIT_CPU_H
	34
	35	extern "C" {
	36	#include <machine/machine_routines.h>
	37	#include <pexpert/pexpert.h>
	38	}
	39
	40	#include <IOKit/IOService.h>
	41	#include <IOKit/IOInterruptController.h>
	42
	43	enum {
	44	kIOCPUStateUnregistered = 0,
	45	kIOCPUStateUninitalized,
	46	kIOCPUStateStopped,
	47	kIOCPUStateRunning,
	48	kIOCPUStateCount
	49	};
	50
	51	class IOCPUInterruptController;
	52
	53	extern IOCPUInterruptController *gIOCPUInterruptController;
	54
	55	class IOCPU : public IOService
	56	{
	57	OSDeclareAbstractStructors(IOCPU);
	58
	59	private:
	60	OSArray *_cpuGroup;
	61	UInt32 _cpuNumber;
	62	UInt32 _cpuState;
	63
	64	protected:
	65	IOService *cpuNub;
	66	processor_t machProcessor;
	67	ipi_handler_t ipi_handler;
	68
	69	struct ExpansionData { };
	70	ExpansionData *reserved;
	71
	72	virtual void setCPUNumber(UInt32 cpuNumber);
	73	virtual void setCPUState(UInt32 cpuState);
	74
	75	public:
	76	static void initCPUs(void);
	77
	78	virtual bool start(IOService *provider);
	79	virtual IOReturn setProperties(OSObject *properties);
	80	virtual void initCPU(bool boot) = 0;
	81	virtual void quiesceCPU(void) = 0;
	82	virtual kern_return_t startCPU(vm_offset_t start_paddr,
	83	vm_offset_t arg_paddr) = 0;
	84	virtual void haltCPU(void) = 0;
	85	virtual void signalCPU(IOCPU *target);
	86	virtual void enableCPUTimeBase(bool enable);
	87
	88	virtual UInt32 getCPUNumber(void);
	89	virtual UInt32 getCPUState(void);
	90	virtual OSArray *getCPUGroup(void);
	91	virtual UInt32 getCPUGroupSize(void);
	92	virtual processor_t getMachProcessor(void);
	93
	94	virtual const OSSymbol *getCPUName(void) = 0;
	95
	96	OSMetaClassDeclareReservedUnused(IOCPU, 0);
	97	OSMetaClassDeclareReservedUnused(IOCPU, 1);
	98	OSMetaClassDeclareReservedUnused(IOCPU, 2);
	99	OSMetaClassDeclareReservedUnused(IOCPU, 3);
	100	OSMetaClassDeclareReservedUnused(IOCPU, 4);
	101	OSMetaClassDeclareReservedUnused(IOCPU, 5);
	102	OSMetaClassDeclareReservedUnused(IOCPU, 6);
	103	OSMetaClassDeclareReservedUnused(IOCPU, 7);
	104	};
	105
	106	void IOCPUSleepKernel(void);
	107
	108
	109	class IOCPUInterruptController : public IOInterruptController
	110	{
	111	OSDeclareDefaultStructors(IOCPUInterruptController);
	112
	113	private:
	114	int enabledCPUs;
	115
	116	protected:
	117	int numCPUs;
	118	IOCPU **cpus;
	119
	120	struct ExpansionData { };
	121	ExpansionData *reserved;
	122
	123	public:
	124	virtual IOReturn initCPUInterruptController(int sources);
	125	virtual void registerCPUInterruptController(void);
	126	virtual void setCPUInterruptProperties(IOService *service);
	127	virtual void enableCPUInterrupt(IOCPU *cpu);
	128
	129	virtual IOReturn registerInterrupt(IOService *nub, int source,
	130	void *target,
	131	IOInterruptHandler handler,
	132	void *refCon);
	133
	134	virtual IOReturn getInterruptType(IOService *nub, int source,
	135	int *interruptType);
	136
	137	virtual IOReturn enableInterrupt(IOService *nub, int source);
	138	virtual IOReturn disableInterrupt(IOService *nub, int source);
	139	virtual IOReturn causeInterrupt(IOService *nub, int source);
	140
	141	virtual IOReturn handleInterrupt(void refCon, IOService nub,
	142	int source);
	143
	144	OSMetaClassDeclareReservedUnused(IOCPUInterruptController, 0);
	145	OSMetaClassDeclareReservedUnused(IOCPUInterruptController, 1);
	146	OSMetaClassDeclareReservedUnused(IOCPUInterruptController, 2);
	147	OSMetaClassDeclareReservedUnused(IOCPUInterruptController, 3);
	148	OSMetaClassDeclareReservedUnused(IOCPUInterruptController, 4);
	149	OSMetaClassDeclareReservedUnused(IOCPUInterruptController, 5);
	150	};
	151
	152	#endif /* ! _IOKIT_CPU_H */