1/* 2 * Copyright (c) 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) 1999 Apple Computer, Inc. All rights reserved. 30 * 31 * DRI: Josh de Cesare 32 * 33 */ 34 35#ifndef _IOKIT_CPU_H 36#define _IOKIT_CPU_H 37 38extern "C" { 39#include <machine/machine_routines.h> 40#include <pexpert/pexpert.h> 41} 42 43#include <IOKit/IOService.h> 44#include <IOKit/IOInterruptController.h> 45 46enum { 47 kIOCPUStateUnregistered = 0, 48 kIOCPUStateUninitalized, 49 kIOCPUStateStopped, 50 kIOCPUStateRunning, 51 kIOCPUStateCount 52}; 53 54class IOCPUInterruptController; 55 56extern IOCPUInterruptController *gIOCPUInterruptController; 57 58class IOCPU : public IOService 59{ 60 OSDeclareAbstractStructors(IOCPU); 61 62private: 63 OSArray *_cpuGroup; 64 UInt32 _cpuNumber; 65 UInt32 _cpuState; 66 67protected: 68 IOService *cpuNub; 69 processor_t machProcessor; 70 ipi_handler_t ipi_handler; 71 72 struct ExpansionData { }; 73 ExpansionData *reserved; 74 75 virtual void setCPUNumber(UInt32 cpuNumber); 76 virtual void setCPUState(UInt32 cpuState); 77 78public: 79 static void initCPUs(void); 80 81 virtual bool start(IOService *provider); 82 virtual OSObject *getProperty(const OSSymbol *aKey) const; 83 virtual bool setProperty(const OSSymbol *aKey, OSObject *anObject); 84 virtual bool serializeProperties(OSSerialize *serialize) const; 85 virtual IOReturn setProperties(OSObject *properties); 86 virtual void initCPU(bool boot) = 0; 87 virtual void quiesceCPU(void) = 0; 88 virtual kern_return_t startCPU(vm_offset_t start_paddr, 89 vm_offset_t arg_paddr) = 0; 90 virtual void haltCPU(void) = 0; 91 virtual void signalCPU(IOCPU *target); 92 virtual void enableCPUTimeBase(bool enable); 93 94 virtual UInt32 getCPUNumber(void); 95 virtual UInt32 getCPUState(void); 96 virtual OSArray *getCPUGroup(void); 97 virtual UInt32 getCPUGroupSize(void); 98 virtual processor_t getMachProcessor(void); 99 100 virtual const OSSymbol *getCPUName(void) = 0; 101 102 OSMetaClassDeclareReservedUnused(IOCPU, 0); 103 OSMetaClassDeclareReservedUnused(IOCPU, 1); 104 OSMetaClassDeclareReservedUnused(IOCPU, 2); 105 OSMetaClassDeclareReservedUnused(IOCPU, 3); 106 OSMetaClassDeclareReservedUnused(IOCPU, 4); 107 OSMetaClassDeclareReservedUnused(IOCPU, 5); 108 OSMetaClassDeclareReservedUnused(IOCPU, 6); 109 OSMetaClassDeclareReservedUnused(IOCPU, 7); 110}; 111 112void IOCPUSleepKernel(void); 113extern "C" kern_return_t IOCPURunPlatformQuiesceActions(void); 114extern "C" kern_return_t IOCPURunPlatformActiveActions(void); 115 116class IOCPUInterruptController : public IOInterruptController 117{ 118 OSDeclareDefaultStructors(IOCPUInterruptController); 119 120private: 121 int enabledCPUs; 122 123protected: 124 int numCPUs; 125 IOCPU **cpus; 126 127 struct ExpansionData { }; 128 ExpansionData *reserved; 129 130public: 131 virtual IOReturn initCPUInterruptController(int sources); 132 virtual void registerCPUInterruptController(void); 133 virtual void setCPUInterruptProperties(IOService *service); 134 virtual void enableCPUInterrupt(IOCPU *cpu); 135 136 virtual IOReturn registerInterrupt(IOService *nub, int source, 137 void *target, 138 IOInterruptHandler handler, 139 void *refCon); 140 141 virtual IOReturn getInterruptType(IOService *nub, int source, 142 int *interruptType); 143 144 virtual IOReturn enableInterrupt(IOService *nub, int source); 145 virtual IOReturn disableInterrupt(IOService *nub, int source); 146 virtual IOReturn causeInterrupt(IOService *nub, int source); 147 148 virtual IOReturn handleInterrupt(void *refCon, IOService *nub, 149 int source); 150 151 OSMetaClassDeclareReservedUnused(IOCPUInterruptController, 0); 152 OSMetaClassDeclareReservedUnused(IOCPUInterruptController, 1); 153 OSMetaClassDeclareReservedUnused(IOCPUInterruptController, 2); 154 OSMetaClassDeclareReservedUnused(IOCPUInterruptController, 3); 155 OSMetaClassDeclareReservedUnused(IOCPUInterruptController, 4); 156 OSMetaClassDeclareReservedUnused(IOCPUInterruptController, 5); 157}; 158 159#endif /* ! _IOKIT_CPU_H */ 160