# Shared lock iokit/Kernel/i386/IOSharedLock.s standard iokit/Kernel/i386/IOAsmSupport.s standard # Real Time Clock hack iokit/Drivers/platform/drvAppleIntelClock/IntelClock.cpp optional iokitcpp # Power Domains iokit/Kernel/IOPMrootDomain.cpp optional iokitcpp