RestrictEvents

Lilu Kernel extension for blocking unwanted processes causing compatibility issues on different hardware and unlocking the support for certain features restricted to other hardware. The list of blocks currently includes:

• /System/Library/CoreServices/ExpansionSlotNotification
• /System/Library/CoreServices/MemorySlotNotification

The list of patches currently includes:

• Disabled MacBookAir model memory replacement UI (comes in pair with SystemMemoryStatus = Upgradable quirk).
• Disabled MacPro7,1 PCI Expansion view and RAM view.
• CPU brand string patch for non-Intel CPUs (can be forced for Intel with revcpu=1).

Note: Apple CPU identifier must be 0x0F01 for 8 core CPUs or higher and 0x0601 for 1, 2, 4, or 6 cores. This is the default in OpenCore for non-natively supported CPUs.

Boot arguments

• -revoff (or -liluoff) to disable
• -revdbg (or -liludbgall) to enable verbose logging (in DEBUG builds)
• -revbeta (or -lilubetaall) to enable on macOS older than 10.8 or newer than 12
• -revproc to enable verbose process logging (in DEBUG builds)
• -revsbvmm to force VMM SB model, allowing x86legacy SB model on T2 Mac model for macOS 12
• revnopatch=value to disable patching for userspace processes of Memory/PCI UI, CPU renaming, and/or unreadable disk popups or no patching will happen. Accepted values are all, mempci, cpuname, diskread, none Defaults to none.
• revcpu=value to enable (1, non-Intel default)/disable (0, Intel default) CPU brand string patching.
• revcpuname=value custom CPU brand string (max 48 characters, 20 or less recommended, taken from CPUID otherwise)

Note: 4D1FDA02-38C7-4A6A-9CC6-4BCCA8B30102:revnopatch, 4D1FDA02-38C7-4A6A-9CC6-4BCCA8B30102:revcpu and 4D1FDA02-38C7-4A6A-9CC6-4BCCA8B30102:revcpuname NVRAM variables work the same as the boot arguments, but have lower priority.

Credits

• Apple for macOS
• vit9696 for Lilu.kext and great help in implementing some features