Exemplo n.º 1
0
void IOPlatformExpert::registerNVRAMController(IONVRAMController * caller)
{
    OSData *          data;
    IORegistryEntry * entry;
    OSString *        string = 0;
    uuid_string_t     uuid;

    entry = IORegistryEntry::fromPath( "/efi/platform", gIODTPlane );
    if ( entry )
    {
        data = OSDynamicCast( OSData, entry->getProperty( "system-id" ) );
        if ( data && data->getLength( ) == 16 )
        {
            SHA1_CTX     context;
            uint8_t      digest[ SHA_DIGEST_LENGTH ];
            const uuid_t space = { 0x2A, 0x06, 0x19, 0x90, 0xD3, 0x8D, 0x44, 0x40, 0xA1, 0x39, 0xC4, 0x97, 0x70, 0x37, 0x65, 0xAC };

            SHA1Init( &context );
            SHA1Update( &context, space, sizeof( space ) );
            SHA1Update( &context, data->getBytesNoCopy( ), data->getLength( ) );
            SHA1Final( digest, &context );

            digest[ 6 ] = ( digest[ 6 ] & 0x0F ) | 0x50;
            digest[ 8 ] = ( digest[ 8 ] & 0x3F ) | 0x80;

            uuid_unparse( digest, uuid );
            string = OSString::withCString( uuid );
        }

        entry->release( );
    }

    if ( string == 0 )
    {
        entry = IORegistryEntry::fromPath( "/options", gIODTPlane );
        if ( entry )
        {
            data = OSDynamicCast( OSData, entry->getProperty( "platform-uuid" ) );
            if ( data && data->getLength( ) == sizeof( uuid_t ) )
            {
                uuid_unparse( ( uint8_t * ) data->getBytesNoCopy( ), uuid );
                string = OSString::withCString( uuid );
            }

            entry->release( );
        }
    }

    if ( string )
    {
        getProvider( )->setProperty( kIOPlatformUUIDKey, string );
        publishResource( kIOPlatformUUIDKey, string );

        string->release( );
    }

    publishResource("IONVRAM");
}
void AppleUSBAudioPlugin::stop (IOService * provider) {
	// Tell the system that we're not an available resource anymore
	publishResource ("AppleUSBAudioPlugin", NULL);

	if (reserved) {
		IOFree (reserved, sizeof(struct ExpansionData));
	}

	super::stop (provider);
}
Exemplo n.º 3
0
bool
AppleIntelClock::start(IOService *provider)
{
	if (!super::start(provider))
		return false;

	provider->registerInterrupt(kIRQ_Clock, 0, (IOInterruptAction) hardclock);
	provider->enableInterrupt(kIRQ_Clock);

	publishResource("IORTC", this);
	return true;
}
Exemplo n.º 4
0
bool AppleARMPE::start(IOService * provider)
{
    DTEntry entry;
    char *dtype;
    unsigned int size;

    IOLog("AppleARMPE::start: Welcome to the NeXT generation.\n");

    if (!super::start(provider)) {
        panic("IOPlatformExpert failed to start");
    }

    removeProperty(kIOPlatformMapperPresentKey);
    assert(IOService::getPlatform() == this);

    registerService();

    /*
     * Let these time out to let everything else initialize right. 
     */
#if 0
    publishResource("IONVRAM");
    publishResource("IORTC");
#endif

    if (kSuccess == DTLookupEntry(NULL, "/", &entry)) {
        /*
         * What's the device name? 
         */
        if (kSuccess == DTGetProperty(entry, "compatible", (void **) &dtype, &size)) {
            populate_model_name(dtype);
        } else {
            populate_model_name("Generic ARM Device");
        }
    } else {
        populate_model_name("Generic ARM Device");
    }

    return true;
}
Exemplo n.º 5
0
IOReturn IOPlatformExpertDevice::setProperties( OSObject * properties )
{
    OSDictionary * dictionary;
    OSObject *     object;
    IOReturn       status;

    status = super::setProperties( properties );
    if ( status != kIOReturnUnsupported ) return status;

    status = IOUserClient::clientHasPrivilege( current_task( ), kIOClientPrivilegeAdministrator );
    if ( status != kIOReturnSuccess ) return status;

    dictionary = OSDynamicCast( OSDictionary, properties );
    if ( dictionary == 0 ) return kIOReturnBadArgument;

    object = dictionary->getObject( kIOPlatformUUIDKey );
    if ( object )
    {
        IORegistryEntry * entry;
        OSString *        string;
        uuid_t            uuid;

        string = ( OSString * ) getProperty( kIOPlatformUUIDKey );
        if ( string ) return kIOReturnNotPermitted;

        string = OSDynamicCast( OSString, object );
        if ( string == 0 ) return kIOReturnBadArgument;

        status = uuid_parse( string->getCStringNoCopy( ), uuid );
        if ( status != 0 ) return kIOReturnBadArgument;

        entry = IORegistryEntry::fromPath( "/options", gIODTPlane );
        if ( entry )
        {
            entry->setProperty( "platform-uuid", uuid, sizeof( uuid_t ) );
            entry->release( );
        }

        setProperty( kIOPlatformUUIDKey, string );
        publishResource( kIOPlatformUUIDKey, string );

        return kIOReturnSuccess;
    }

    return kIOReturnUnsupported;
}
Exemplo n.º 6
0
void AppleGPIO::publishStrings(OSCollection *strings)
{
	OSCollectionIterator	*strIter;
	OSSymbol				*key;

	if (!strings) return;

	strIter = OSCollectionIterator::withCollection(strings);

	if (strIter)
	{
		while ((key = OSDynamicCast(OSSymbol, strIter->getNextObject())) != 0)
		{
			//DLOG("AppleGPIO::publishStrings 0x%x %s\n",
			//	fGPIOID, key->getCStringNoCopy());
			publishResource(key, this);
		}

		strIter->release();
	}
}
IOReturn IOFramebufferUserClient::clientMemoryForType( UInt32 type,
        IOOptionBits * flags, IOMemoryDescriptor ** memory )
{
    static bool          havePublishedResource;
    IOMemoryDescriptor * mem;
    IOReturn             err;

    switch (type)
    {
        case kIOFBCursorMemory:

            if (!havePublishedResource)
            {
                havePublishedResource = true;
                publishResource("WindowServer");
            }

            mem = owner->sharedCursor;
            mem->retain();
            break;

        case kIOFBVRAMMemory:
            mem = owner->getVRAMRange();
            break;

        default:
            mem = (IOMemoryDescriptor *) owner->userAccessRanges->getObject( type );
            if (mem) mem->retain();
            break;
    }

    *memory = mem;
    if (mem)
        err = kIOReturnSuccess;
    else
        err = kIOReturnBadArgument;

    return (err);
}
Exemplo n.º 8
0
void IOPlatformExpert::registerNVRAMController(IONVRAMController * caller)
{
    publishResource("IONVRAM");
}
Exemplo n.º 9
0
bool MacRISC2CPU::start(IOService *provider)
{
    kern_return_t        result;
    IORegistryEntry      *cpusRegEntry, *uniNRegEntry, *mpicRegEntry, *devicetreeRegEntry;
    OSIterator           *cpusIterator;
    OSData               *tmpData;
    IOService            *service;
    const OSSymbol       *interruptControllerName;
    OSData               *interruptData;
    OSArray              *tmpArray;
    UInt32               maxCPUs, uniNVersion, physCPU;
    ml_processor_info_t  processor_info;
    
#if enableUserClientInterface    
	DFScontMode = 0;
    fWorkLoop = 0;
    DFS_Status = false;
    GPU_Status = kGPUHigh;
	vStepped = false;
#endif

    // callPlatformFunction symbols
    mpic_getProvider = OSSymbol::withCString("mpic_getProvider");
    mpic_getIPIVector= OSSymbol::withCString("mpic_getIPIVector");
    mpic_setCurrentTaskPriority = OSSymbol::withCString("mpic_setCurrentTaskPriority");
    mpic_setUpForSleep = OSSymbol::withCString("mpic_setUpForSleep");
    mpic_dispatchIPI = OSSymbol::withCString("mpic_dispatchIPI");
    keyLargo_restoreRegisterState = OSSymbol::withCString("keyLargo_restoreRegisterState");
    keyLargo_syncTimeBase = OSSymbol::withCString("keyLargo_syncTimeBase");
    keyLargo_saveRegisterState = OSSymbol::withCString("keyLargo_saveRegisterState");
    keyLargo_turnOffIO = OSSymbol::withCString("keyLargo_turnOffIO");
    keyLargo_writeRegUInt8 = OSSymbol::withCString("keyLargo_writeRegUInt8");
    keyLargo_getHostKeyLargo = OSSymbol::withCString("keyLargo_getHostKeyLargo");
    keyLargo_setPowerSupply = OSSymbol::withCString("setPowerSupply");
    uniN_setPowerState = OSSymbol::withCString(kUniNSetPowerState);
    uniN_setAACKDelay = OSSymbol::withCString(kUniNSetAACKDelay);
	pmu_cpuReset = OSSymbol::withCString("cpuReset");
	ati_prepareDMATransaction = OSSymbol::withCString(kIOFBPrepareDMAValueKey);
    ati_performDMATransaction = OSSymbol::withCString(kIOFBPerformDMAValueKey);
    
    macRISC2PE = OSDynamicCast(MacRISC2PE, getPlatform());
    if (macRISC2PE == 0) return false;
  
    if (!super::start(provider)) return false;

    // Get the Uni-N Version.
    uniNRegEntry = fromPath("/uni-n", gIODTPlane);
    if (uniNRegEntry == 0) return false;
    tmpData = OSDynamicCast(OSData, uniNRegEntry->getProperty("device-rev"));
    if (tmpData == 0) return false;
    uniNVersion = *(long *)tmpData->getBytesNoCopy();
  
    // Find out if this is the boot CPU.
    bootCPU = false;
    tmpData = OSDynamicCast(OSData, provider->getProperty("state"));
    if (tmpData == 0) return false;
    if (!strcmp((char *)tmpData->getBytesNoCopy(), "running")) bootCPU = true;

    // Count the CPUs.
    numCPUs = 0;
    cpusRegEntry = fromPath("/cpus", gIODTPlane);
    if (cpusRegEntry == 0) return false;
    cpusIterator = cpusRegEntry->getChildIterator(gIODTPlane);
    while (cpusIterator->getNextObject()) numCPUs++;
    cpusIterator->release();
  
	// [3830950] - The bootCPU driver inits globals for all instances (like gCPUIC) so if we're not the
	// boot CPU driver we wait here for that driver to finish its initialization
	if ((numCPUs > 1) && !bootCPU)
		// Wait for bootCPU driver to say it's up and running
		(void) waitForService (resourceMatching ("BootCPU"));
		
    // Limit the number of CPUs to one if uniNVersion is 1.0.7 or less.
    if (uniNVersion < kUniNVersion107) numCPUs = 1;
  
    // Limit the number of CPUs by the cpu=# boot arg.
    if (PE_parse_boot_arg("cpus", &maxCPUs))
    {
        if (numCPUs > maxCPUs) numCPUs = maxCPUs;
    }
	
	ignoreSpeedChange = false;
	doSleep = false;
	topLevelPCIBridgeCount = 0;
  
    // Get the "flush-on-lock" property from the first cpu node.
    flushOnLock = false;
    cpusRegEntry = fromPath("/cpus/@0", gIODTPlane);
    if (cpusRegEntry == 0) return false;
    if (cpusRegEntry->getProperty("flush-on-lock") != 0) flushOnLock = true;
  
    // Set flushOnLock when numCPUs is not one.
    if (numCPUs != 1) flushOnLock = true;
  
    // If system is PowerMac3,5 (TowerG4), then set flushOnLock to disable nap
    devicetreeRegEntry = fromPath("/", gIODTPlane);
    tmpData = OSDynamicCast(OSData, devicetreeRegEntry->getProperty("model"));
    if (tmpData == 0) return false;
#if 0
    if(!strcmp((char *)tmpData->getBytesNoCopy(), "PowerMac3,5"))
        flushOnLock = true;
#endif

    // Get the physical CPU number from the "reg" property.
    tmpData = OSDynamicCast(OSData, provider->getProperty("reg"));
    if (tmpData == 0) return false;
    physCPU = *(long *)tmpData->getBytesNoCopy();
    setCPUNumber(physCPU);

    // Get the gpio offset for soft reset from the "soft-reset" property.
    tmpData = OSDynamicCast(OSData, provider->getProperty("soft-reset"));
    if (tmpData == 0) 
    {
        if (physCPU == 0)
            soft_reset_offset = 0x5B;
        else
            soft_reset_offset = 0x5C;
    }
    else
        soft_reset_offset = *(long *)tmpData->getBytesNoCopy();
   
    // Get the gpio offset for timebase enable from the "timebase-enable" property.
    tmpData = OSDynamicCast(OSData, provider->getProperty("timebase-enable"));
    if (tmpData == 0) 
        timebase_enable_offset = 0x73;
    else
        timebase_enable_offset = *(long *)tmpData->getBytesNoCopy();
  
	// See if reset is needed on wake
	resetOnWake = (provider->getProperty ("reset-on-wake") != NULL);
	
	if (resetOnWake) {
		vm_address_t reserveMem;
		

		reserveMem = (vm_address_t)IOMallocAligned (PAGE_SIZE, PAGE_SIZE);	// Get one page (which we keep forever)
		if (reserveMem) {			
			// map it
			reserveMemDesc = IOMemoryDescriptor::withAddress (reserveMem, PAGE_SIZE, kIODirectionNone, NULL);
			if (reserveMemDesc) {
				// get the physical address
				reserveMemPhys = reserveMemDesc->getPhysicalAddress();
			} 
		} 
	}

    // On machines with a 'vmin' property in the CPU Node we need to make sure to tell the kernel to 
    // ml_set_processor_voltage on needed processors.
    needVSetting = (provider->getProperty( "vmin" ) != 0);

    // While techincally the Apollo7PM machines do need AACK delay, it is already set in the bootROM
    // since we boot slow.  We don't want the machine to switch AACKdelay off when we run DFS high so
    // setting this to false will take care of the issue.
        
    needAACKDelay = false;
 
 	if (bootCPU)
    {
        gCPUIC = new IOCPUInterruptController;
        if (gCPUIC == 0) return false;
        if (gCPUIC->initCPUInterruptController(numCPUs) != kIOReturnSuccess)
            return false;
        gCPUIC->attach(this);
        gCPUIC->registerCPUInterruptController();
    }
  
    // Get the l2cr value from the property list.
    tmpData = OSDynamicCast(OSData, provider->getProperty("l2cr"));
    if (tmpData != 0)
    {
        l2crValue = *(long *)tmpData->getBytesNoCopy() & 0x7FFFFFFF;
    }
    else
    {
        l2crValue = mfl2cr() & 0x7FFFFFFF;
    }
  
    // Wait for KeyLargo to show up.
    keyLargo = waitForService(serviceMatching("KeyLargo"));
    if (keyLargo == 0) return false;
  
    keyLargo->callPlatformFunction (keyLargo_getHostKeyLargo, false, &keyLargo, 0, 0, 0);
    if (keyLargo == 0)
    {
        kprintf ("MacRISC2CPU::start - getHostKeyLargo returned nil\n");
        return false;
    }

    // Wait for MPIC to show up.
    mpic = waitForService(serviceMatching("AppleMPICInterruptController"));
    if (mpic == 0) return false;
  
    // Set the Interrupt Properties for this cpu.
    mpic->callPlatformFunction(mpic_getProvider, false, (void *)&mpicRegEntry, 0, 0, 0);
    interruptControllerName = IODTInterruptControllerName(mpicRegEntry);
    mpic->callPlatformFunction(mpic_getIPIVector, false, (void *)&physCPU, (void *)&interruptData, 0, 0);
    if ((interruptControllerName == 0) || (interruptData == 0)) return false;
  
    tmpArray = OSArray::withCapacity(1);
    tmpArray->setObject(interruptControllerName);
    cpuNub->setProperty(gIOInterruptControllersKey, tmpArray);
    tmpArray->release();
  
    tmpArray = OSArray::withCapacity(1);
    tmpArray->setObject(interruptData);
    cpuNub->setProperty(gIOInterruptSpecifiersKey, tmpArray);
    tmpArray->release();
  
    setCPUState(kIOCPUStateUninitalized);
  
	// necessary bootCPU initialization is done, so release other CPU drivers to do their thing
	// other drivers need to be unblocked *before* we call processor_start otherwise we deadlock
	if (bootCPU)
		publishResource ("BootCPU", this);
		
    if (physCPU < numCPUs)
    {
        processor_info.cpu_id           = (cpu_id_t)this;
        processor_info.boot_cpu         = bootCPU;
        processor_info.start_paddr      = 0x0100;
        processor_info.l2cr_value       = l2crValue;
        processor_info.supports_nap     = !flushOnLock;
        processor_info.time_base_enable =
        OSMemberFunctionCast(time_base_enable_t, this, &MacRISC2CPU::enableCPUTimeBase);	// [4091924]
    
        // Register this CPU with mach.
        result = ml_processor_register(&processor_info, &machProcessor,	&ipi_handler);
        if (result == KERN_FAILURE) return false;
    
        processor_start(machProcessor);
    }

    // Before to go to sleep we wish to disable the napping mode so that the PMU
    // will not shutdown the system while going to sleep:
    service = waitForService(serviceMatching("IOPMrootDomain"));
    pmRootDomain = OSDynamicCast(IOPMrootDomain, service);
    if (pmRootDomain != 0)
    {
        kprintf("Register MacRISC2CPU %ld to acknowledge power changes\n", getCPUNumber());
        pmRootDomain->registerInterestedDriver(this);
        
        // Join the Power Management Tree to receive setAggressiveness calls.
        PMinit();
        provider->joinPMtree(this);
    }

    // Finds PMU and UniN so in quiesce we can put the machine to sleep.
    // I can not put these calls there because quiesce runs in interrupt
    // context and waitForService may block.
    pmu = waitForService(serviceMatching("ApplePMU"));
	uniN = waitForService(serviceMatching("AppleUniN"));
    if ((pmu == 0) || (uniN == 0)) return false;
	

    if (macRISC2PE->hasPMon) {
            // Find the platform monitor, if present
            service = waitForService(resourceMatching("IOPlatformMonitor"));
            ioPMon = OSDynamicCast (IOPlatformMonitor, service->getProperty("IOPlatformMonitor"));
            if (!ioPMon) 
                    return false;
            
            ioPMonDict = OSDictionary::withCapacity(2);
            if (!ioPMonDict) {
                    ioPMon = NULL;
            } else {
                    ioPMonDict->setObject (kIOPMonTypeKey, OSSymbol::withCString (kIOPMonTypeCPUCon));
                    ioPMonDict->setObject (kIOPMonCPUIDKey, OSNumber::withNumber ((long long)getCPUNumber(), 32));

                    if (messageClient (kIOPMonMessageRegister, ioPMon, (void *)ioPMonDict) != kIOReturnSuccess) {
                            // IOPMon doesn't need to know about us, so don't bother with it
                            IOLog ("MacRISC2CPU::start - failed to register cpu with IOPlatformMonitor\n");
                            ioPMonDict->release();
                            ioPMon = NULL;
                    }
            }
    }

    if (macRISC2PE->hasPPlugin) {
		IOService		*ioPPlugin;
		OSDictionary	*ioPPluginDict;
		
		// Find the platform plugin, if present
		service = waitForService(resourceMatching("IOPlatformPlugin"));
		ioPPlugin = OSDynamicCast (IOService, service->getProperty("IOPlatformPlugin"));
		if (!ioPPlugin) 
			return false;
		
		ioPPluginDict = OSDictionary::withCapacity(2);
		if (ioPPluginDict) {
			ioPPluginDict->setObject ("cpu-id", OSNumber::withNumber ((long long)getCPUNumber(), 32));

			// Register with the plugin - same API as for platform monitor
			if (messageClient (kIOPMonMessageRegister, ioPPlugin, (void *)ioPPluginDict) != kIOReturnSuccess) {
				// ioPPlugin doesn't need to know about us, so don't bother with it
				IOLog ("MacRISC2CPU::start - failed to register cpu with IOPlatformPlugin\n");
			}
			ioPPluginDict->release();	// Not needed any more
		}
    }

#if enableUserClientInterface    
//   
// UserClient stuff...
//  
    fWorkLoop = getWorkLoop();
    if(!fWorkLoop)
    {
            IOLog("MacRISC2CPU::start ERROR: failed to find a fWorkLoop\n");
    }
    if(!initTimers()) 
    {
            IOLog("MacRISC2CPU::start ERROR: failed to init the timers\n");
    }
    
#endif

    registerService();
  
    return true;
}
Exemplo n.º 10
0
bool SMBIOSResolver::start(IOService * provider)
{
	if( super::start(provider) != true ) return false;	// Oh no	
	if( IOService::getResourceService()->getProperty("SMBIOS-Resolver") ) return false;	// We should exist only once	
	if( !IOService::getResourceService()->getProperty("SMBIOS") ) return false;	// AppleSMBIOS.kext didn´t start we bail out
	
	IOService * iosRoot = getServiceRoot();
	if( !iosRoot ) return false;	// Unable to get IOServiceRoot
	
	int doVerbose = 0;
	// PE_parse_boot_arg("smbios", &doVerbose);	// bootarg SMBIOS=1 will give a verbose output to log (when I find something verbose worth outputting)
	
	// Dictionary from plist
	OSDictionary * hwDict = OSDynamicCast( OSDictionary, getProperty("Override"));
	
	//	/rom/version
	IORegistryEntry * dtROMNode = fromPath("/rom", gIODTPlane);
	if( dtROMNode )
	{
		OSString * romVersion = OSDynamicCast( OSString, hwDict->getObject("rom-version"));
		if(romVersion->getLength() > 0) dtROMNode->setProperty("version", OSData::withBytes(romVersion->getCStringNoCopy(), romVersion->getLength() + 1) );
		dtROMNode->release();
	}
	else
	{
		return false;	// No /rom node in IODeviceTree plane
	}
	
	// root entries
	OSObject * dictString = 0;
	
	dictString = hwDict->getObject("manufacturer");
	if(dictString)
	{
		OSString * rootManufacturer = OSDynamicCast( OSString, dictString);
		if(rootManufacturer->getLength() > 1) iosRoot->setProperty("manufacturer", OSData::withBytes(rootManufacturer->getCStringNoCopy(), rootManufacturer->getLength() + 1) );
	}
	
	dictString = hwDict->getObject("system-type");
	if(dictString)
	{
		OSData * systemType = OSDynamicCast( OSData, dictString);
		if(systemType) iosRoot->setProperty("system-type", systemType );
	}
	
	dictString = hwDict->getObject("compatible");
	if(dictString) 
	{
		OSString * rootCompatible = OSDynamicCast( OSString, dictString);
		if(rootCompatible->getLength() > 1) iosRoot->setProperty("compatible", OSData::withBytes(rootCompatible->getCStringNoCopy(), rootCompatible->getLength() + 1) );
	}
	
	dictString = hwDict->getObject("product-name");
	if(dictString) 
	{
		OSString * rootProductName = OSDynamicCast( OSString, dictString);
		if(rootProductName->getLength() > 1) iosRoot->setProperty("product-name", OSData::withBytes(rootProductName->getCStringNoCopy(), rootProductName->getLength() + 1) );
	}
	
	dictString = hwDict->getObject("model");
	if(dictString) 
	{
		OSString * rootModel = OSDynamicCast( OSString, dictString);
		if(rootModel->getLength() > 1)
		{
			iosRoot->setProperty("model", OSData::withBytes(rootModel->getCStringNoCopy(), rootModel->getLength() + 1) );
			iosRoot->setName(rootModel->getCStringNoCopy());
		}
	}
	
	dictString = hwDict->getObject("version");
	if(dictString) 
	{
		OSString * rootVersion = OSDynamicCast( OSString, dictString);
		if(rootVersion->getLength() > 1) iosRoot->setProperty("version", OSData::withBytes(rootVersion->getCStringNoCopy(), rootVersion->getLength() + 1) );
	}
	
	dictString = hwDict->getObject("board-id");
	if(dictString) 
	{
		OSString * rootBoardId = OSDynamicCast( OSString, dictString);
		if(rootBoardId->getLength() > 1) iosRoot->setProperty("board-id", OSData::withBytes(rootBoardId->getCStringNoCopy(), rootBoardId->getLength() + 1) );
	}
	
	dictString = hwDict->getObject("serial-number");
	if(dictString) 
	{
		OSString * rootSerial = OSDynamicCast( OSString, dictString);
		if(rootSerial->getLength() > 1)
		{
			UInt8 length = rootSerial->getLength();
			const char *serialNumberString = rootSerial->getCStringNoCopy();
			
			// The serial-number property in the IORegistry is a 43-byte data object.
			// Bytes 0 through 2 are the last three bytes of the serial number string.
			// Bytes 11 through 20, inclusive, are the serial number string itself.
			// All other bytes are '\0'.
			OSData * data = OSData::withCapacity(43);
			if (data)
			{
				data->appendBytes(serialNumberString + (length - 3), 3);
				data->appendBytes(NULL, 10);
				data->appendBytes(serialNumberString, length);
				data->appendBytes(NULL, 43 - length - 10 - 3);
				iosRoot->setProperty("serial-number", data);
				data->release();
			}
			
			iosRoot->setProperty(kIOPlatformSerialNumberKey, rootSerial);
		}
	}
	
	dictString = hwDict->getObject("UUID-key");
	if(dictString) 
	{
		OSString * rootUUIDKey = OSDynamicCast( OSString, hwDict->getObject("UUID-key"));
		iosRoot->setProperty(kIOPlatformUUIDKey, rootUUIDKey);
		publishResource(kIOPlatformUUIDKey, rootUUIDKey);
	}
	
	bool useEfiBus = false;
	UInt64 fsbFrequency = 0;
	UInt64 msr;
	dictString = hwDict->getObject("use-efi-bus");
	if (dictString) useEfiBus = (OSDynamicCast(OSBoolean, dictString))->getValue(); 
	IORegistryEntry * efiPlatform = fromPath("/efi/platform", gIODTPlane);
	if (efiPlatform && useEfiBus)
	{
		OSData * efiFSBFreq = OSDynamicCast(OSData, efiPlatform->getProperty("FSBFrequency"));
		bcopy(efiFSBFreq->getBytesNoCopy(), &fsbFrequency, efiFSBFreq->getLength());
		efiPlatform->release();
	}
	else
	{	// No /efi/platform found
		fsbFrequency = gPEClockFrequencyInfo.bus_frequency_hz;	// Value previously set by AppleSMBIOS 
		if (!strncmp(cpuid_info()->cpuid_vendor, CPUID_VID_INTEL, sizeof(CPUID_VID_INTEL)) && (cpuid_info()->cpuid_features & CPUID_FEATURE_SSE2)) fsbFrequency /= 4;
	}

	dictString = hwDict->getObject("hardcode-bus");
	if(dictString) 
	{
		fsbFrequency = (OSDynamicCast(OSNumber, dictString))->unsigned64BitValue();
		if (fsbFrequency)
		{
			if (fsbFrequency <= 10000) fsbFrequency *= 1000000;
		}
		else
		{
			if (!strncmp(cpuid_info()->cpuid_vendor, CPUID_VID_INTEL, sizeof(CPUID_VID_INTEL)))
			{
				if ((cpuid_info()->cpuid_family == 0x0f) && (cpuid_info()->cpuid_model >= 2))
				{
					msr = rdmsr64(0x0000002C);
					switch ((msr >> 16) & 0x7) {
						case 0:
							if (cpuid_info()->cpuid_model == 2) fsbFrequency = 100 * 1000000;
							else 
							{
								fsbFrequency = (800 * 1000000) / 3;	// 266
								fsbFrequency++;
							}
							break;
						case 1:
							fsbFrequency = (400 * 1000000) / 3;	//	133
							break;
						case 2:
							fsbFrequency = (600 * 1000000) / 3;	// 200
							break;
						case 3:
							fsbFrequency = (500 * 1000000) / 3;	//	166
							fsbFrequency++;
							break;
						case 4:
							fsbFrequency = (1000 * 1000000) / 3;	//	333
							break;
						default:
							break;
					}
				}
				else
				{
					fsbFrequency = 100 * 1000000;
				}
				
				if (cpuid_info()->cpuid_family == 0x06)
				{
					msr = rdmsr64(0x000000CD);
					switch (msr & 0x7) {
						case 0:
							fsbFrequency = (800 * 1000000) / 3;	//	266
							fsbFrequency++;
							break;
						case 1:
							fsbFrequency = (400 * 1000000) / 3;	//	133
							break;
						case 2:
							fsbFrequency = (600 * 1000000) / 3;	//	200
							break;
						case 3:
							fsbFrequency = (500 * 1000000) / 3;	//	166
							fsbFrequency++;
							break;
						case 4:
							fsbFrequency = (1000 * 1000000) / 3;//	333
							break;
						case 5:
							fsbFrequency = (300 * 1000000) / 3;	//	100
							break;
						case 6:
							fsbFrequency = (1200 * 1000000) / 3;//	400
							break;
						case 7:		// should check
							fsbFrequency = (1400 * 1000000) / 3;//	466
							fsbFrequency++;
							break;
						default:
							break;
					}
				}
				 
			}
		}
Exemplo n.º 11
0
void AppleARMPE::registerNVRAMController(IONVRAMController * caller)
{
    publishResource("IONVRAM");
}