mirror of
https://github.com/dortania/OpenCore-Legacy-Patcher.git
synced 2026-04-14 04:38:20 +10:00
171 lines
9.1 KiB
Python
171 lines
9.1 KiB
Python
# Generate Default Data
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from resources import utilities, device_probe, generate_smbios
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from data import model_array, smbios_data, cpu_data
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import subprocess
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class generate_defaults:
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def probe(model, host_is_target, settings):
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# Generate Default Data
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# Takes in Settings data set, and returns updated Settings
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settings.sip_status = True
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settings.secure_status = False # Default false for Monterey
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settings.amfi_status = True
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settings.custom_serial_number = ""
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settings.custom_board_serial_number = ""
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if host_is_target:
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settings.custom_serial_number = utilities.get_nvram("OCLP-Spoofed-SN", "7C436110-AB2A-4BBB-A880-FE41995C9F82", decode=True)
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settings.custom_board_serial_number = utilities.get_nvram("OCLP-Spoofed-MLB", "7C436110-AB2A-4BBB-A880-FE41995C9F82", decode=True)
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if settings.custom_serial_number is None or settings.custom_board_serial_number is None:
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# If either variables are missing, we assume something is wrong with the spoofed variables and reset
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settings.custom_serial_number = ""
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settings.custom_board_serial_number = ""
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if settings.computer.usb_controllers:
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try:
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if smbios_data.smbios_dictionary[model]["CPU Generation"] < cpu_data.cpu_data.ivy_bridge.value:
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# Pre-Ivy do not natively support XHCI boot support
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# If we detect XHCI on older model, enable
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for controller in settings.computer.usb_controllers:
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if isinstance(controller, device_probe.XHCIController):
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settings.xhci_boot = True
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break
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except KeyError:
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pass
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if utilities.check_metal_support(device_probe, settings.computer) is False:
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settings.disable_cs_lv = True
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settings.secure_status = False
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settings.sip_status = False
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settings.allow_fv_root = True
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if settings.computer.gpus:
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for gpu in settings.computer.gpus:
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if gpu.arch == device_probe.NVIDIA.Archs.Kepler:
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# 12.0 (B7+): Kepler are now unsupported
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settings.sip_status = False
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settings.amfi_status = True
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settings.allow_fv_root = True # Allow FileVault on broken seal
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break
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if (
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isinstance(settings.computer.wifi, device_probe.Broadcom)
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and settings.computer.wifi.chipset in [device_probe.Broadcom.Chipsets.AirPortBrcm4331, device_probe.Broadcom.Chipsets.AirPortBrcm43224]
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) or (isinstance(settings.computer.wifi, device_probe.Atheros) and settings.computer.wifi.chipset == device_probe.Atheros.Chipsets.AirPortAtheros40):
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# 12.0: Legacy Wireless chipsets require root patching
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settings.sip_status = False
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settings.allow_fv_root = True # Allow FileVault on broken seal
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if settings.computer.gpus:
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for gpu in settings.computer.gpus:
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if gpu.arch in [
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device_probe.AMD.Archs.Legacy_GCN_7000,
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device_probe.AMD.Archs.Legacy_GCN_8000,
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device_probe.AMD.Archs.Legacy_GCN_9000,
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device_probe.AMD.Archs.Polaris,
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device_probe.AMD.Archs.Vega,
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device_probe.AMD.Archs.Navi,
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]:
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# Allow H.265 on AMD
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try:
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smbios_data.smbios_dictionary[model]["Socketed GPUs"]
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settings.serial_settings = "Minimal"
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except KeyError:
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pass
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break
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elif model in ["MacPro4,1", "MacPro5,1"]:
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# Allow H.265 on AMD
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# Assume 2009+ machines have Polaris on pre-builts (internal testing)
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# Hardware Detection will never hit this
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settings.serial_settings = "Minimal"
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elif model in model_array.LegacyGPU:
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settings.disable_cs_lv = True
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if model in model_array.LegacyGPU:
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if host_is_target and utilities.check_metal_support(device_probe, settings.computer) is True:
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# Building on device and we have a native, supported GPU
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if settings.computer.dgpu and settings.computer.dgpu.arch == device_probe.NVIDIA.Archs.Kepler:
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settings.sip_status = False
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# settings.secure_status = True # Monterey
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settings.allow_fv_root = True # Allow FileVault on broken seal
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else:
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settings.sip_status = False # Unsigned kexts
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settings.secure_status = False # Root volume modified
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settings.amfi_status = False # Unsigned binaries
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settings.allow_fv_root = True # Allow FileVault on broken seal
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if model in model_array.ModernGPU:
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# Systems with Ivy or Kepler GPUs, Monterey requires root patching for accel
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settings.sip_status = False # Unsigned kexts
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settings.secure_status = False # Modified root volume
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settings.allow_fv_root = True # Allow FileVault on broken seal
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# settings.amfi_status = True # Signed bundles, Don't need to explicitly set currently
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if "Book" in model:
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settings.set_content_caching = False
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else:
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settings.set_content_caching = True
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custom_cpu_model_value = utilities.get_nvram("revcpuname", "4D1FDA02-38C7-4A6A-9CC6-4BCCA8B30102", decode=True)
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if custom_cpu_model_value is not None:
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# TODO: Fix to not use two separate variables
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settings.custom_cpu_model = 1
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settings.custom_cpu_model_value = custom_cpu_model_value.split("%00")[0]
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if "-v" in (utilities.get_nvram("boot-args") or ""):
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settings.verbose_debug = True
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if utilities.amfi_status() is False:
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settings.amfi_status = False
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if model in ["MacBookPro8,2", "MacBookPro8,3"]:
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# Users disabling TS2 most likely have a faulty dGPU
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# users can override this in settings
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ts2_status = subprocess.run(["defaults", "read", "com.dortania.opencore-legacy-patcher", "MacBookPro_TeraScale_2_Accel"], stdout=subprocess.PIPE).stdout.decode("utf-8").strip()
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if ts2_status in ["1", "true"]:
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settings.allow_ts2_accel = True
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else:
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subprocess.run(["defaults", "write", "com.dortania.opencore-legacy-patcher", "MacBookPro_TeraScale_2_Accel", "-bool", "TRUE"])
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settings.allow_ts2_accel = False
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try:
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if smbios_data.smbios_dictionary[model]["CPU Generation"] < cpu_data.cpu_data.ivy_bridge.value and model != "MacPro5,1":
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# Sidecar and AirPlay to Mac only blacklist Ivy and newer (as well as MacPro5,1)
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# Avoid extra patching without benefit
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settings.fu_arguments = " -disable_sidecar_mac"
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else:
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settings.fu_arguments = None
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if smbios_data.smbios_dictionary[model]["CPU Generation"] >= cpu_data.cpu_data.skylake.value:
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# On 2016-2017 MacBook Pros, 15" devices used a stock Samsung SSD with IONVMeController
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# Technically this should be patched based on NVMeFix.kext logic,
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# however Apple deemed the SSD unsupported for enhanced performance
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# In addition, some upgraded NVMe drives still have issues with enhanced power management
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# Safest to disable by default, allow user to configure afterwards
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settings.allow_nvme_fixing = False
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else:
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settings.allow_nvme_fixing = True
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except KeyError:
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pass
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# Check if running in RecoveryOS
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settings.recovery_status = utilities.check_recovery()
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# Check if model uses T2 SMBIOS, if so see if it needs root patching (determined earlier on via SIP variable)
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# If not, allow SecureBootModel usage, otherwise force VMM patching
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# Needed for macOS Monterey to allow OTA updates
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try:
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spoof_model = generate_smbios.set_smbios_model_spoof(model)
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except:
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# Native Macs (mainly M1s) will error out as they don't know what SMBIOS to spoof to
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# As we don't spoof on native models, we can safely ignore this
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spoof_model = model
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try:
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if smbios_data.smbios_dictionary[spoof_model]["SecureBootModel"] is not None:
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if settings.sip_status is False:
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# Force VMM as root patching breaks .im4m signature
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settings.secure_status = False
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settings.force_vmm = True
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else:
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# Allow SecureBootModel
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settings.secure_status = True
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settings.force_vmm = False
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except KeyError:
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pass
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