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 typedef void (*ipi_handler_t) (void); 43} 44#include <IOKit/IOService.h> 45#include <IOKit/IOInterruptController.h> 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 OSDeclareAbstractStructors(IOCPU); 60 61 private: 62 OSArray * _cpuGroup; 63 UInt32 _cpuNumber; 64 UInt32 _cpuState; 65 66 protected: 67 IOService * cpuNub; 68 processor_t machProcessor; 69 ipi_handler_t ipi_handler; 70 71 struct ExpansionData { 72 }; 73 ExpansionData *reserved; 74 75 virtual void setCPUNumber(UInt32 cpuNumber); 76 virtual void setCPUState(UInt32 cpuState); 77 78 public: 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, vm_offset_t arg_paddr) = 0; 89 virtual void haltCPU(void) = 0; 90 virtual void signalCPU(IOCPU * target); 91 virtual void enableCPUTimeBase(bool enable); 92 93 virtual UInt32 getCPUNumber(void); 94 virtual UInt32 getCPUState(void); 95 virtual OSArray *getCPUGroup(void); 96 virtual UInt32 getCPUGroupSize(void); 97 virtual processor_t getMachProcessor(void); 98 99 virtual const OSSymbol *getCPUName(void) = 0; 100 101 OSMetaClassDeclareReservedUnused(IOCPU, 0); 102 OSMetaClassDeclareReservedUnused(IOCPU, 1); 103 OSMetaClassDeclareReservedUnused(IOCPU, 2); 104 OSMetaClassDeclareReservedUnused(IOCPU, 3); 105 OSMetaClassDeclareReservedUnused(IOCPU, 4); 106 OSMetaClassDeclareReservedUnused(IOCPU, 5); 107 OSMetaClassDeclareReservedUnused(IOCPU, 6); 108 OSMetaClassDeclareReservedUnused(IOCPU, 7); 109}; 110 111void IOCPUSleepKernel(void); 112extern "C" kern_return_t IOCPURunPlatformQuiesceActions(void); 113extern "C" kern_return_t IOCPURunPlatformActiveActions(void); 114 115class IOCPUInterruptController:public IOInterruptController { 116 OSDeclareDefaultStructors(IOCPUInterruptController); 117 118 private: 119 int enabledCPUs; 120 121 protected: 122 int numCPUs; 123 IOCPU **cpus; 124 125 struct ExpansionData { 126 }; 127 ExpansionData *reserved; 128 129 public: 130 virtual IOReturn initCPUInterruptController(int sources); 131 virtual void registerCPUInterruptController(void); 132 virtual void setCPUInterruptProperties(IOService * service); 133 virtual void enableCPUInterrupt(IOCPU * cpu); 134 135 virtual IOReturn registerInterrupt(IOService * nub, int source, void *target, IOInterruptHandler handler, void *refCon); 136 137 virtual IOReturn getInterruptType(IOService * nub, int source, int *interruptType); 138 139 virtual IOReturn enableInterrupt(IOService * nub, int source); 140 virtual IOReturn disableInterrupt(IOService * nub, int source); 141 virtual IOReturn causeInterrupt(IOService * nub, int source); 142 143 virtual IOReturn handleInterrupt(void *refCon, IOService * nub, int source); 144 145 OSMetaClassDeclareReservedUnused(IOCPUInterruptController, 0); 146 OSMetaClassDeclareReservedUnused(IOCPUInterruptController, 1); 147 OSMetaClassDeclareReservedUnused(IOCPUInterruptController, 2); 148 OSMetaClassDeclareReservedUnused(IOCPUInterruptController, 3); 149 OSMetaClassDeclareReservedUnused(IOCPUInterruptController, 4); 150 OSMetaClassDeclareReservedUnused(IOCPUInterruptController, 5); 151}; 152 153#endif /* ! _IOKIT_CPU_H */ 154