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Annotation of XNU/iokit/Drivers/platform/drvApplePlatformExpert/AppleCPU.cpp, revision 1.1.1.1

1.1       root        1: /*
                      2:  * Copyright (c) 1999 Apple Computer, Inc.  All rights reserved.
                      3:  *
                      4:  *  DRI: Josh de Cesare
                      5:  *
                      6:  */
                      7: 
                      8: #include "AppleCPU.h"
                      9: 
                     10: /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
                     11: 
                     12: #undef super
                     13: #define super IOCPU
                     14: 
                     15: OSDefineMetaClassAndStructors(AppleCPU, IOCPU);
                     16: 
                     17: /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
                     18: 
                     19: bool AppleCPU::start(IOService *provider)
                     20: {
                     21:   kern_return_t result;
                     22:   
                     23:   if (!super::start(provider)) return false;
                     24:   
                     25:   cpuIC = new IOCPUInterruptController;
                     26:   if (cpuIC == 0) return false;
                     27:   
                     28:   if (cpuIC->initCPUInterruptController(1) != kIOReturnSuccess) return false;
                     29:   cpuIC->attach(this);
                     30:   
                     31:   cpuIC->registerCPUInterruptController();
                     32:   
                     33:   // Register this CPU with mach.
                     34:   result = ml_processor_register((cpu_id_t)this, 0,
                     35:                                 &machProcessor, &ipi_handler, true);
                     36:   if (result == KERN_FAILURE) return false;
                     37:   
                     38:   cpuState = kIOCPUStateUninitalized;
                     39:   
                     40:   processor_start(machProcessor);
                     41:   
                     42:   return true;
                     43: }
                     44: 
                     45: void AppleCPU::initCPU(void)
                     46: {
                     47:   cpuIC->enableCPUInterrupt(this);
                     48:   
                     49:   cpuState = kIOCPUStateRunning;
                     50: }
                     51: 
                     52: OSSymbol *AppleCPU::getCPUName(void)
                     53: {
                     54:   return OSSymbol::withCStringNoCopy("Primary0");
                     55: }
                     56: 
                     57: /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */

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