+ virtual IOReturn getRealTimeClock( UInt8 * currentTime, IOByteCount * length ) = 0;
+ virtual IOReturn setRealTimeClock( UInt8 * newTime ) = 0;
+};
+
+class IORTC : public IOService
+{
+ OSDeclareAbstractStructors(IORTC);
+
+protected:
+
+/*! @var reserved
+ * Reserved for future use. (Internal use only) */
+ struct ExpansionData { };
+ ExpansionData *iortc_reserved __unused;
+
+public:
+
+ virtual long getGMTTimeOfDay( void ) = 0;
+ virtual void setGMTTimeOfDay( long secs ) = 0;
+
+ virtual void getUTCTimeOfDay( clock_sec_t * secs, clock_nsec_t * nsecs );
+ virtual void setUTCTimeOfDay( clock_sec_t secs, clock_nsec_t nsecs );
+
+ virtual void setAlarmEnable( IOOptionBits message ) = 0;
+
+ virtual IOReturn getMonotonicClockOffset( int64_t * usecs );
+ virtual IOReturn setMonotonicClockOffset( int64_t usecs );
+ virtual IOReturn getMonotonicClockAndTimestamp( uint64_t * usecs, uint64_t *mach_absolute_time );
+
+
+ OSMetaClassDeclareReservedUnused(IORTC, 0);
+ OSMetaClassDeclareReservedUnused(IORTC, 1);
+ OSMetaClassDeclareReservedUnused(IORTC, 2);
+ OSMetaClassDeclareReservedUnused(IORTC, 3);
+ OSMetaClassDeclareReservedUnused(IORTC, 4);
+ OSMetaClassDeclareReservedUnused(IORTC, 5);
+ OSMetaClassDeclareReservedUnused(IORTC, 6);
+ OSMetaClassDeclareReservedUnused(IORTC, 7);