IOService* X3100monitor::probe(IOService *provider, SInt32 *score)
{
if (super::probe(provider, score) != this) return 0;
UInt32 vendor_id, device_id;
if (OSDictionary * dictionary = serviceMatching(kGenericPCIDevice)) {
if (OSIterator * iterator = getMatchingServices(dictionary)) {
IOPCIDevice* device = 0;
while (device = OSDynamicCast(IOPCIDevice, iterator->getNextObject())) {
OSData *data = OSDynamicCast(OSData, device->getProperty("vendor-id"));
if (data)
vendor_id = *(UInt32*)data->getBytesNoCopy();
data = OSDynamicCast(OSData, device->getProperty("device-id"));
if (data)
device_id = *(UInt32*)data->getBytesNoCopy();
if ((vendor_id==0x8086) && (device_id==0x2a00)){
InfoLog("found %lx chip", (long unsigned int)device_id);
VCard = device;
}
}
}
}
return this;
}
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");
}
IOService* GeforceSensors::probe(IOService *provider, SInt32 *score)
{
UInt32 vendor_id, device_id, class_id;
DebugLog("Probing...");
if (super::probe(provider, score) != this) return 0;
InfoLog("GeforceSensors by kozlek (C) 2012");
s8 ret = 0;
if (OSDictionary * dictionary = serviceMatching(kGenericPCIDevice)) {
if (OSIterator * iterator = getMatchingServices(dictionary)) {
ret = 1;
IOPCIDevice* device = 0;
do {
device = OSDynamicCast(IOPCIDevice, iterator->getNextObject());
if (!device) {
break;
}
OSData *data = OSDynamicCast(OSData, device->getProperty(fVendor));
vendor_id = 0;
if (data)
vendor_id = *(UInt32*)data->getBytesNoCopy();
device_id = 0;
data = OSDynamicCast(OSData, device->getProperty(fDevice));
if (data)
device_id = *(UInt32*)data->getBytesNoCopy();
class_id = 0;
data = OSDynamicCast(OSData, device->getProperty(fClass));
if (data)
class_id = *(UInt32*)data->getBytesNoCopy();
if ((vendor_id==0x10de) && (class_id == 0x030000)) {
InfoLog("found %x Nvidia chip", (unsigned int)device_id);
card.pcidev = device;
card.device_id = device_id;
ret = 1; //TODO - count a number of cards
card.card_index = ret;
break;
}
} while (device);
}
}
if(ret)
return this;
else return 0;
return this;
}
bool IOEthernetInterface::initIfnetParams(struct ifnet_init_params *params)
{
OSData *uniqueID;
//get the default values
super::initIfnetParams( params );
uniqueID = OSDynamicCast(OSData, getProvider()->getProperty(kIOMACAddress));
if ( (uniqueID == 0) || (uniqueID->getLength() != ETHER_ADDR_LEN) )
{
DLOG("%s: kIOMACAddress property access error (len %d)\n",
getName(), uniqueID ? uniqueID->getLength() : 0);
return false;
}
// fill in ethernet specific values
params->uniqueid = uniqueID->getBytesNoCopy();
params->uniqueid_len = uniqueID->getLength();
params->family = APPLE_IF_FAM_ETHERNET;
params->demux = ether_demux;
params->add_proto = ether_add_proto;
params->del_proto = ether_del_proto;
params->framer = ether_frameout;
params->check_multi = ether_check_multi;
params->broadcast_addr = ether_broadcast_addr;
params->broadcast_len = sizeof(ether_broadcast_addr);
return true;
}
/* pass in a NULL value if you just want to figure out the len */
boolean_t PEReadNVRAMProperty(const char *symbol, void *value,
unsigned int *len)
{
OSObject *obj;
OSData *data;
unsigned int vlen;
if (!symbol || !len)
goto err;
if (init_gIOOptionsEntry() < 0)
goto err;
vlen = *len;
*len = 0;
obj = gIOOptionsEntry->getProperty(symbol);
if (!obj)
goto err;
/* convert to data */
data = OSDynamicCast(OSData, obj);
if (!data)
goto err;
*len = data->getLength();
vlen = min(vlen, *len);
if (value && vlen)
memcpy((void *) value, data->getBytesNoCopy(), vlen);
return TRUE;
err:
return FALSE;
}
IOReturn IOSharedInterruptController::enableInterrupt(IOService *nub,
int source)
{
IOInterruptSource *interruptSources;
IOInterruptVectorNumber vectorNumber;
IOInterruptVector *vector;
OSData *vectorData;
IOInterruptState interruptState;
interruptSources = nub->_interruptSources;
vectorData = interruptSources[source].vectorData;
vectorNumber = *(IOInterruptVectorNumber *)vectorData->getBytesNoCopy();
vector = &vectors[vectorNumber];
interruptState = IOSimpleLockLockDisableInterrupt(controllerLock);
if (!vector->interruptDisabledSoft) {
IOSimpleLockUnlockEnableInterrupt(controllerLock, interruptState);
return kIOReturnSuccess;
}
vector->interruptDisabledSoft = 0;
vectorsEnabled++;
IOSimpleLockUnlockEnableInterrupt(controllerLock, interruptState);
if (controllerDisabled && (vectorsEnabled == vectorsRegistered)) {
controllerDisabled = 0;
provider->enableInterrupt(0);
}
return kIOReturnSuccess;
}
IOReturn IOSharedInterruptController::disableInterrupt(IOService *nub,
int source)
{
IOInterruptSource *interruptSources;
long vectorNumber;
IOInterruptVector *vector;
OSData *vectorData;
IOInterruptState interruptState;
interruptSources = nub->_interruptSources;
vectorData = interruptSources[source].vectorData;
vectorNumber = *(long *)vectorData->getBytesNoCopy();
vector = &vectors[vectorNumber];
interruptState = IOSimpleLockLockDisableInterrupt(controllerLock);
if (!vector->interruptDisabledSoft) {
vector->interruptDisabledSoft = 1;
#if __ppc__
sync();
isync();
#endif
vectorsEnabled--;
}
IOSimpleLockUnlockEnableInterrupt(controllerLock, interruptState);
if (!getPlatform()->atInterruptLevel()) {
while (vector->interruptActive);
#if __ppc__
isync();
#endif
}
return kIOReturnSuccess;
}
bool NullEthernet::init(OSDictionary *properties)
{
DebugLog("init() ===>\n");
if (!super::init(properties))
{
DebugLog("super::init failed\n");
return false;
}
m_pProvider = NULL;
m_netif = NULL;
m_isEnabled = false;
unitNumber = 0;
// load default MAC address (can be overridden in DSDT)
static unsigned char rgDefault[] = { 0x01, 0x02, 0x03, 0x04, 0x05, 0x06 };
bcopy(rgDefault, m_rgMacAddr, kIOEthernetAddressSize);
if (properties)
{
OSData* pData = OSDynamicCast(OSData, properties->getObject("MAC-address"));
if (pData && pData->getLength() == kIOEthernetAddressSize)
bcopy(pData->getBytesNoCopy(), m_rgMacAddr, kIOEthernetAddressSize);
}
DebugLog("init() <===>\n");
return true;
}
IOReturn IOInterruptController::disableInterrupt(IOService *nub, int source)
{
IOInterruptSource *interruptSources;
long vectorNumber;
IOInterruptVector *vector;
OSData *vectorData;
interruptSources = nub->_interruptSources;
vectorData = interruptSources[source].vectorData;
vectorNumber = *(long *)vectorData->getBytesNoCopy();
vector = &vectors[vectorNumber];
vector->interruptDisabledSoft = 1;
#if __ppc__
sync();
isync();
#endif
if (!getPlatform()->atInterruptLevel()) {
while (vector->interruptActive);
#if __ppc__
isync();
#endif
}
return kIOReturnSuccess;
}
IOReturn IOInterruptController::enableInterrupt(IOService *nub, int source)
{
IOInterruptSource *interruptSources;
IOInterruptVectorNumber vectorNumber;
IOInterruptVector *vector;
OSData *vectorData;
interruptSources = nub->_interruptSources;
vectorData = interruptSources[source].vectorData;
vectorNumber = *(IOInterruptVectorNumber *)vectorData->getBytesNoCopy();
vector = &vectors[vectorNumber];
if (vector->interruptDisabledSoft) {
vector->interruptDisabledSoft = 0;
#if !defined(__i386__) && !defined(__x86_64__)
OSMemoryBarrier();
#endif
if (!getPlatform()->atInterruptLevel()) {
while (vector->interruptActive)
{}
}
if (vector->interruptDisabledHard) {
vector->interruptDisabledHard = 0;
enableVector(vectorNumber, vector);
}
}
return kIOReturnSuccess;
}
bool IODTPlatformExpert::getModelName( char * name, int maxLength )
{
OSData * prop;
const char * str;
int len;
char c;
bool ok = false;
maxLength--;
prop = (OSData *) getProvider()->getProperty( gIODTCompatibleKey );
if( prop ) {
str = (const char *) prop->getBytesNoCopy();
if( 0 == strncmp( str, "AAPL,", strlen( "AAPL," ) ))
str += strlen( "AAPL," );
len = 0;
while( (c = *str++)) {
if( (c == '/') || (c == ' '))
c = '-';
name[ len++ ] = c;
if( len >= maxLength)
break;
}
name[ len ] = 0;
ok = true;
}
return( ok );
}
OSObject* FileNVRAM::cast(const OSSymbol* key, OSObject* obj)
{
const char* legacy[] = {
"boot-args",
"boot-script",
};
OSString* str = OSDynamicCast(OSString, key);
if (str)
{
for (int i = 0; i < sizeof(legacy)/sizeof(char*); i++)
{
if (str->isEqualTo(legacy[i]))
{
LOG(NOTICE, "Found legacy key %s\n", str->getCStringNoCopy());
// add null char, convert to OSString
OSData* data = OSDynamicCast(OSData, obj);
if (data)
{
data->appendByte(0x00, 1);
return OSString::withCString((const char*)data->getBytesNoCopy());
}
}
}
}
return obj;
}
IOReturn IOSharedInterruptController::disableInterrupt(IOService *nub,
int source)
{
IOInterruptSource *interruptSources;
IOInterruptVectorNumber vectorNumber;
IOInterruptVector *vector;
OSData *vectorData;
IOInterruptState interruptState;
interruptSources = nub->_interruptSources;
vectorData = interruptSources[source].vectorData;
vectorNumber = *(IOInterruptVectorNumber *)vectorData->getBytesNoCopy();
vector = &vectors[vectorNumber];
interruptState = IOSimpleLockLockDisableInterrupt(controllerLock);
if (!vector->interruptDisabledSoft) {
vector->interruptDisabledSoft = 1;
#if !defined(__i386__) && !defined(__x86_64__)
OSMemoryBarrier();
#endif
vectorsEnabled--;
}
IOSimpleLockUnlockEnableInterrupt(controllerLock, interruptState);
if (!getPlatform()->atInterruptLevel()) {
while (vector->interruptActive)
{}
}
return kIOReturnSuccess;
}
bool FakeSMC::init(OSDictionary *properties)
{
if (!super::init(properties))
return false;
IOLog("FakeSMC v%s Copyright %d netkas, slice, usr-sse2, kozlek, navi, THe KiNG, RehabMan. All rights reserved.\n", HWSENSORS_VERSION_STRING, HWSENSORS_LASTYEAR);
if (IORegistryEntry *efi = IORegistryEntry::fromPath("/efi", gIODTPlane)) {
if (OSData *vendor = OSDynamicCast(OSData, efi->getProperty("firmware-vendor"))) { // firmware-vendor is in EFI node
OSData *buffer = OSData::withCapacity(128);
const unsigned char* data = static_cast<const unsigned char*>(vendor->getBytesNoCopy());
for (unsigned int index = 0; index < vendor->getLength(); index += 2) {
buffer->appendByte(data[index], 1);
}
OSString *name = OSString::withCString(static_cast<const char *>(buffer->getBytesNoCopy()));
setProperty(kFakeSMCFirmwareVendor, name);
//OSSafeRelease(vendor);
//OSSafeRelease(name);
OSSafeRelease(buffer);
}
OSSafeRelease(efi);
}
return true;
}
UInt32 PCIDeviceStub_XHCIMux::getUInt32Property(const char* name)
{
UInt32 result = 0;
OSData* data = OSDynamicCast(OSData, getProperty(name));
if (data && data->getLength() == 4)
result = *static_cast<const UInt32*>(data->getBytesNoCopy());
return result;
}
bool PCIDeviceStub_XHCIMux::getBoolProperty(const char* name, bool defValue)
{
bool result = defValue;
OSData* data = OSDynamicCast(OSData, getProperty(name));
if (data && data->getLength() == 1)
result = *static_cast<const UInt8*>(data->getBytesNoCopy());
return result;
}
bool IOEthernetInterface::controllerDidOpen(IONetworkController * ctr)
{
bool ret = false;
OSData * addrData;
IOEthernetAddress * addr;
do {
// Call the controllerDidOpen() in superclass first.
if ( (ctr == 0) || (super::controllerDidOpen(ctr) == false) )
break;
// If the controller supports some form of multicast filtering,
// then set the ifnet IFF_MULTICAST flag.
if ( GET_SUPPORTED_FILTERS(gIONetworkFilterGroup) &
(kIOPacketFilterMulticast | kIOPacketFilterMulticastAll) )
{
setFlags(IFF_MULTICAST);
}
// Advertise Wake on Magic Packet feature if supported.
if ( _supportedWakeFilters & kIOEthernetWakeOnMagicPacket )
{
IOPMrootDomain * root = getPMRootDomain();
if ( root ) root->publishFeature( kWOMPFeatureKey,
kIOPMSupportedOnAC | kIOPMSupportedOnUPS,
(uint32_t *)&_publishedFeatureID);
}
// Get the controller's MAC/Ethernet address.
addrData = OSDynamicCast(OSData, ctr->getProperty(kIOMACAddress));
if ( (addrData == 0) || (addrData->getLength() != ETHER_ADDR_LEN) )
{
DLOG("%s: kIOMACAddress property access error (len %d)\n",
getName(), addrData ? addrData->getLength() : 0);
break;
}
addr = (IOEthernetAddress *) addrData->getBytesNoCopy();
DLOG("%s: Ethernet address %02x:%02x:%02x:%02x:%02x:%02x\n",
ctr->getName(),
addr->bytes[0],
addr->bytes[1],
addr->bytes[2],
addr->bytes[3],
addr->bytes[4],
addr->bytes[5]);
ret = true;
}
while (0);
return ret;
}
// TODO: is it safe to make the data in here static? It would speed things up slightly.
IOReturn com_veltrop_taylor_driver_virtualhid::setProperties( OSObject * properties )
{
//IOLog("set properties to driver!!\n");
OSData* data = OSDynamicCast(OSData, properties);
if (data) {
// int length = data->getLength(); // passing a Hacked/Broken OSData object to this could make us unreliable, lets manually set 3 below, and later only explicitly access known memory!
const UInt8* button_vector = (const UInt8*)data->getBytesNoCopy(0,3);
// button_vector[0] -> button number / joystick number
// button_vector[1] -> button state / button data
// button_vector[2] -> button data 2
if (_myReportBufferDescInternal) {
UInt8 target = button_vector[0];
if (target == hid_XYZ) {
_myReportBufferDescInternal[0] = button_vector[1];
_myReportBufferDescInternal[1] = button_vector[2];
}
else if (target == hid_rXYZ) {
_myReportBufferDescInternal[2] = button_vector[1];
_myReportBufferDescInternal[3] = button_vector[2];
}
else if (target == WiiRemoteUpButton || target == WiiRemoteDownButton) { // swap x with y, the wii mote is probably rotated. > make this an option and do it from the wiiji side
_myReportBufferDescInternal[0] = button_vector[1] * ((target == WiiRemoteDownButton)*(127) - (target == WiiRemoteUpButton)*(127)); // make sure these values stay exclusive
}
else if (target == WiiRemoteRightButton || target == WiiRemoteLeftButton) {
_myReportBufferDescInternal[1] = button_vector[1] * ((target == WiiRemoteLeftButton)*(127) - (target == WiiRemoteRightButton)*(127));
}
else {
if (target >= WiiRemoteUpButton) // compensate for the unused dpad button inputs (we route it to x/y right now)
target -= 4;
int bitoffset = target % 8;
int octet = target / 8 + 4;
UInt8 action = 0x0001 << bitoffset;
if (octet >= myReportDescSize)
return kIOReturnError;
if (button_vector[1]) {
_myReportBufferDescInternal[octet] = _myReportBufferDescInternal[octet] | action;
}
else {
_myReportBufferDescInternal[octet] = _myReportBufferDescInternal[octet] & ~action;
}
}
if (handleReport(_myReportBufferDesc) != kIOReturnSuccess) {
IOLog("com_veltrop_taylor_driver_virtualhid: handleReport failed in setProperties");
return kIOReturnError;
}
return kIOReturnSuccess;
}
}
return kIOReturnError;
}
IOMapper * IOMapper::copyMapperForDeviceWithIndex(IOService * device, unsigned int index)
{
OSData *data;
OSObject * obj;
IOMapper * mapper = NULL;
OSDictionary * matching;
obj = device->copyProperty("iommu-parent");
if (!obj) return (NULL);
if ((mapper = OSDynamicCast(IOMapper, obj))) goto found;
if ((data = OSDynamicCast(OSData, obj)))
{
if (index >= data->getLength() / sizeof(UInt32)) goto done;
data = OSData::withBytesNoCopy((UInt32 *)data->getBytesNoCopy() + index, sizeof(UInt32));
if (!data) goto done;
matching = IOService::propertyMatching(gIOMapperIDKey, data);
data->release();
}
else
matching = IOService::propertyMatching(gIOMapperIDKey, obj);
if (matching)
{
mapper = OSDynamicCast(IOMapper, IOService::waitForMatchingService(matching));
matching->release();
}
done:
if (obj) obj->release();
found:
if (mapper)
{
if (!mapper->fAllocName)
{
char name[MACH_ZONE_NAME_MAX_LEN];
char kmodname[KMOD_MAX_NAME];
vm_tag_t tag;
uint32_t kmodid;
tag = IOMemoryTag(kernel_map);
if (!(kmodid = vm_tag_get_kext(tag, &kmodname[0], KMOD_MAX_NAME)))
{
snprintf(kmodname, sizeof(kmodname), "%d", tag);
}
snprintf(name, sizeof(name), "%s.DMA.%s", kmodname, device->getName());
mapper->fAllocName = kern_allocation_name_allocate(name, 16);
}
}
return (mapper);
}
bool NullEthernet::initMACfromProvider()
{
bool result = false;
OSData* pData = OSDynamicCast(OSData, m_pProvider->getProperty("RM,MAC-address"));
if (pData && pData->getLength() == kIOEthernetAddressSize)
{
bcopy(pData->getBytesNoCopy(), m_rgMacAddr, kIOEthernetAddressSize);
AlwaysLog("Using MAC address from provider: %02x:%02x:%02x:%02x:%02x:%02x\n", m_rgMacAddr[0], m_rgMacAddr[1], m_rgMacAddr[2], m_rgMacAddr[3], m_rgMacAddr[4], m_rgMacAddr[5]);
result = true;
}
return result;
}
void IODMAController::registerDMAController(IOOptionBits options)
{
OSData *phandleData;
phandleData = OSDynamicCast(OSData, _provider->getProperty("AAPL,phandle"));
_dmaControllerName = createControllerName(*(UInt32 *)phandleData->getBytesNoCopy());
setName(_dmaControllerName);
registerService(options | ((options & kIOServiceAsynchronous) ? 0 : kIOServiceSynchronous));
}
void MacRISC2CPU::haltCPU(void)
{
OSIterator *childIterator;
IORegistryEntry *childEntry, *childDriver;
IOPCIBridge *pciDriver;
OSData *deviceTypeString;
UInt32 i;
setCPUState(kIOCPUStateStopped);
if (bootCPU)
{
// Some systems require special handling of Ultra-ATA at sleep.
// Call UniN to prepare for that, if necessary
uniN->callPlatformFunction ("setupUATAforSleep", false, (void *)0, (void *)0, (void *)0, (void *)0);
// Notify our pci children to save their state
if (!topLevelPCIBridgeCount) {
// First build list of top level bridges - only need to do once as these don't change
if ((childIterator = macRISC2PE->getChildIterator (gIOServicePlane)) != NULL) {
while ((childEntry = (IORegistryEntry *)(childIterator->getNextObject ())) != NULL) {
deviceTypeString = OSDynamicCast( OSData, childEntry->getProperty( "device_type" ));
if (deviceTypeString) {
if (!strcmp((const char *)deviceTypeString->getBytesNoCopy(), "pci")) {
childDriver = childEntry->copyChildEntry(gIOServicePlane);
if (childDriver) {
pciDriver = OSDynamicCast( IOPCIBridge, childDriver );
if (pciDriver)
if (topLevelPCIBridgeCount < kMaxPCIBridges)
// Remember this driver
topLevelPCIBridges[topLevelPCIBridgeCount++] = pciDriver;
else
kprintf ("MacRISC2CPU::haltCPU - warning, more than %d PCI bridges - cannot save/restore them all\n", kMaxPCIBridges);
childDriver->release();
}
}
}
}
childIterator->release();
}
}
for (i = 0; i < topLevelPCIBridgeCount; i++)
if (pciDriver = topLevelPCIBridges[i]) {
// Got the driver - send the message
pciDriver->setDevicePowerState (NULL, 2);
}
}
kprintf("MacRISC2CPU::haltCPU %ld Here!\n", getCPUNumber());
processor_exit(machProcessor);
}
static bool GetUInt32( IORegistryEntry * regEntry, const OSSymbol * name,
UInt32 * value )
{
OSData *data;
if( (data = OSDynamicCast( OSData, regEntry->getProperty( name )))
&& (4 == data->getLength())) {
*value = *((UInt32 *) data->getBytesNoCopy());
return( true );
} else
return( false );
}
//----------------------------------------------------------------------------------------------------
// IOHIDUserDevice::newReportDescriptor
//----------------------------------------------------------------------------------------------------
IOReturn IOHIDUserDevice::newReportDescriptor(IOMemoryDescriptor ** descriptor ) const
{
OSData * data;
data = OSDynamicCast(OSData, _properties->getObject(kIOHIDReportDescriptorKey));
if ( !data )
return kIOReturnError;
*descriptor = IOBufferMemoryDescriptor::withBytes(data->getBytesNoCopy(), data->getLength(), kIODirectionNone);
return kIOReturnSuccess;
}
int VoodooI2CHIDDevice::i2c_get_slave_address(I2CDevice* hid_device){
OSObject* result = NULL;
hid_device->provider->evaluateObject("_CRS", &result);
OSData* data = OSDynamicCast(OSData, result);
hid_device->addr = *(int*)data->getBytesNoCopy(16,1) & 0xFF;
data->release();
return 0;
}
bool IODTPlatformExpert::getMachineName( char * name, int maxLength )
{
OSData * prop;
bool ok = false;
maxLength--;
prop = (OSData *) getProvider()->getProperty( gIODTModelKey );
ok = (0 != prop);
if( ok )
strncpy( name, (const char *) prop->getBytesNoCopy(), maxLength );
return( ok );
}
IOReturn IOInterruptController::causeInterrupt(IOService *nub, int source)
{
IOInterruptSource *interruptSources;
IOInterruptVectorNumber vectorNumber;
IOInterruptVector *vector;
OSData *vectorData;
interruptSources = nub->_interruptSources;
vectorData = interruptSources[source].vectorData;
vectorNumber = *(IOInterruptVectorNumber *)vectorData->getBytesNoCopy();
vector = &vectors[vectorNumber];
causeVector(vectorNumber, vector);
return kIOReturnSuccess;
}
static IORegistryEntry * FindPHandle( UInt32 phandle )
{
OSData *data;
IORegistryEntry *regEntry = 0;
int i;
for( i = 0; (data = (OSData *)gIODTPHandles->getObject( i )); i++ ) {
if( phandle == *((UInt32 *)data->getBytesNoCopy())) {
regEntry = (IORegistryEntry *)
gIODTPHandleMap->getObject( i );
break;
}
}
return( regEntry );
}
bool getFSB() {
FSB = 0;
IORegistryEntry* efi = IORegistryEntry::fromPath("/efi/platform", IORegistryEntry::getPlane("IODeviceTree"));
if (efi == 0) {
warn("EFI registry entry not found!\n");
return false;
}
OSData* fsb = (OSData*) efi->getProperty("FSBFrequency");
if (fsb == 0) {
warn("FSB frequency entry not found!\n");
return false;
}
bcopy(fsb->getBytesNoCopy(), &FSB, 8);
info("FSB = %llu MHz\n", FSB/1000000ULL);
efi = 0; fsb = 0; // in dono ka kaam khatam
return true;
}
IODMAController *IODMAController::getController(IOService *provider, UInt32 dmaIndex)
{
OSData *dmaParentData;
const OSSymbol *dmaParentName;
IODMAController *dmaController;
// Find the name of the parent dma controller
dmaParentData = OSDynamicCast(OSData, provider->getProperty("dma-parent"));
if (dmaParentData == 0) return NULL;
dmaParentName = createControllerName(*(UInt32 *)dmaParentData->getBytesNoCopy());
if (dmaParentName == 0) return NULL;
// Wait for the parent dma controller
dmaController = OSDynamicCast(IODMAController, IOService::waitForService(IOService::nameMatching(dmaParentName)));
return dmaController;
}
