IOReturn
IOPolledFilePollersOpen(IOPolledFileIOVars * filevars, uint32_t state, bool abortable)
{
IOPolledFilePollers * vars = filevars->pollers;
IOBufferMemoryDescriptor * ioBuffer;
IOPolledInterface * poller;
IOService * next;
IOReturn err = kIOReturnError;
int32_t idx;
vars->abortable = abortable;
ioBuffer = 0;
if (kIOPolledAfterSleepState == state)
{
vars->ioStatus = 0;
vars->io = false;
}
(void) IOPolledFilePollersIODone(vars, false);
if ((kIOPolledPreflightState == state) || (kIOPolledPreflightCoreDumpState == state))
{
ioBuffer = vars->ioBuffer;
if (!ioBuffer)
{
vars->ioBuffer = ioBuffer = IOBufferMemoryDescriptor::withOptions(kIODirectionInOut,
2 * kDefaultIOSize, page_size);
if (!ioBuffer) return (kIOReturnNoMemory);
}
}
for (idx = vars->pollers->getCount() - 1; idx >= 0; idx--)
{
poller = (IOPolledInterface *) vars->pollers->getObject(idx);
err = poller->open(state, ioBuffer);
if ((kIOReturnSuccess != err) && (kIOPolledPreflightCoreDumpState == state))
{
err = poller->open(kIOPolledPreflightState, ioBuffer);
}
if (kIOReturnSuccess != err)
{
HIBLOG("IOPolledInterface::open[%d] 0x%x\n", idx, err);
break;
}
}
if (kIOReturnSuccess == err)
{
next = vars->media;
while (next)
{
next->setProperty(kIOPolledInterfaceActiveKey, kOSBooleanTrue);
next = next->getProvider();
}
}
return (err);
}
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;
}
}
}
}
