mirror of
https://github.com/dortania/OpenCore-Legacy-Patcher.git
synced 2026-06-20 22:20:53 +10:00
Restructure into package format
This commit is contained in:
Mykola Grymalyuk
@@ -0,0 +1,361 @@
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"""
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defaults.py: Generate default data for host/target
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"""
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import subprocess
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from .. import constants
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from ..detections import device_probe
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from ..utilities import (
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utilities,
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generate_smbios,
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global_settings
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)
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from ..datasets import (
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smbios_data,
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cpu_data,
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os_data
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)
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class GenerateDefaults:
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def __init__(self, model: str, host_is_target: bool, global_constants: constants.Constants) -> None:
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self.constants: constants.Constants = global_constants
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self.model: str = model
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self.host_is_target: bool = host_is_target
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# Reset Variables
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self.constants.sip_status = True
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self.constants.secure_status = False
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self.constants.disable_cs_lv = False
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self.constants.disable_amfi = False
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self.constants.fu_status = True
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self.constants.fu_arguments = None
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self.constants.custom_serial_number = ""
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self.constants.custom_board_serial_number = ""
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if self.host_is_target is True:
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for gpu in self.constants.computer.gpus:
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if gpu.device_id_unspoofed == -1:
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gpu.device_id_unspoofed = gpu.device_id
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if gpu.vendor_id_unspoofed == -1:
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gpu.vendor_id_unspoofed = gpu.vendor_id
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self._general_probe()
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self._nvram_probe()
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self._gpu_probe()
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self._networking_probe()
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self._misc_hardwares_probe()
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self._smbios_probe()
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self._check_amfipass_supported()
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def _general_probe(self) -> None:
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"""
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General probe for data
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"""
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if self.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 = global_settings.GlobalEnviromentSettings().read_property("MacBookPro_TeraScale_2_Accel")
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if ts2_status is True:
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self.constants.allow_ts2_accel = True
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else:
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global_settings.GlobalEnviromentSettings().write_property("MacBookPro_TeraScale_2_Accel", False)
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self.constants.allow_ts2_accel = False
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if self.model in smbios_data.smbios_dictionary:
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if smbios_data.smbios_dictionary[self.model]["CPU Generation"] >= cpu_data.CPUGen.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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self.constants.allow_nvme_fixing = False
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else:
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self.constants.allow_nvme_fixing = True
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# Check if running in RecoveryOS
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self.constants.recovery_status = utilities.check_recovery()
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if global_settings.GlobalEnviromentSettings().read_property("Force_Web_Drivers") is True:
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self.constants.force_nv_web = True
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result = global_settings.GlobalEnviromentSettings().read_property("ShouldNukeKDKs")
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if result is False:
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self.constants.should_nuke_kdks = False
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def _smbios_probe(self) -> None:
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"""
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SMBIOS specific probe
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"""
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if not self.host_is_target:
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if self.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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self.constants.serial_settings = "Minimal"
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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(self.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 = self.model
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if spoof_model in smbios_data.smbios_dictionary:
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if smbios_data.smbios_dictionary[spoof_model]["SecureBootModel"] is not None:
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if self.constants.sip_status is False:
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# Force VMM as root patching breaks .im4m signature
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self.constants.secure_status = False
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self.constants.force_vmm = True
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else:
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# Allow SecureBootModel
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self.constants.secure_status = True
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self.constants.force_vmm = False
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def _nvram_probe(self) -> None:
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"""
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NVRAM specific probe
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"""
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if not self.host_is_target:
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return
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if "-v" in (utilities.get_nvram("boot-args") or ""):
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self.constants.verbose_debug = True
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self.constants.custom_serial_number = utilities.get_nvram("OCLP-Spoofed-SN", "4D1FDA02-38C7-4A6A-9CC6-4BCCA8B30102", decode=True)
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self.constants.custom_board_serial_number = utilities.get_nvram("OCLP-Spoofed-MLB", "4D1FDA02-38C7-4A6A-9CC6-4BCCA8B30102", decode=True)
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if self.constants.custom_serial_number is None or self.constants.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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self.constants.custom_serial_number = ""
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self.constants.custom_board_serial_number = ""
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def _networking_probe(self) -> None:
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"""
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Networking specific probe
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"""
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is_legacy_wifi = False
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is_modern_wifi = False
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if self.host_is_target:
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if (
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(
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isinstance(self.constants.computer.wifi, device_probe.Broadcom) and
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self.constants.computer.wifi.chipset in [
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device_probe.Broadcom.Chipsets.AirPortBrcm4331,
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device_probe.Broadcom.Chipsets.AirPortBrcm43224,
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]
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) or (
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isinstance(self.constants.computer.wifi, device_probe.Atheros) and
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self.constants.computer.wifi.chipset == device_probe.Atheros.Chipsets.AirPortAtheros40
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)
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):
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is_legacy_wifi = True
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elif (
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(
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isinstance(self.constants.computer.wifi, device_probe.Broadcom) and
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self.constants.computer.wifi.chipset in [
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device_probe.Broadcom.Chipsets.AirPortBrcm4360,
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device_probe.Broadcom.Chipsets.AirportBrcmNIC,
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]
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)
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):
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is_modern_wifi = True
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else:
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print("Checking WiFi")
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if self.model not in smbios_data.smbios_dictionary:
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return
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if (
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smbios_data.smbios_dictionary[self.model]["Wireless Model"] in [
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device_probe.Broadcom.Chipsets.AirPortBrcm4331,
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device_probe.Broadcom.Chipsets.AirPortBrcm43224,
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device_probe.Atheros.Chipsets.AirPortAtheros40,
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]
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):
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is_legacy_wifi = True
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elif (
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smbios_data.smbios_dictionary[self.model]["Wireless Model"] in [
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device_probe.Broadcom.Chipsets.AirPortBrcm4360,
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device_probe.Broadcom.Chipsets.AirportBrcmNIC,
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]
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):
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print("Modern WiFi")
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is_modern_wifi = True
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if is_legacy_wifi is False and is_modern_wifi is False:
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return
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# 12.0: Legacy Wireless chipsets require root patching
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# 14.0: Modern Wireless chipsets require root patching
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self.constants.sip_status = False
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self.constants.secure_status = False
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self.constants.disable_cs_lv = True
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self.constants.disable_amfi = True
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if is_legacy_wifi is True:
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# 13.0: Enabling AirPlay to Mac patches breaks Control Center on legacy chipsets
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# AirPlay to Mac was unsupported regardless, so we can safely disable it
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self.constants.fu_status = True
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self.constants.fu_arguments = " -disable_sidecar_mac"
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def _misc_hardwares_probe(self) -> None:
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"""
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Misc probe
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"""
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if self.host_is_target:
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if self.constants.computer.usb_controllers:
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if self.model in smbios_data.smbios_dictionary:
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if smbios_data.smbios_dictionary[self.model]["CPU Generation"] < cpu_data.CPUGen.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 self.constants.computer.usb_controllers:
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if isinstance(controller, device_probe.XHCIController):
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self.constants.xhci_boot = True
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break
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def _gpu_probe(self) -> None:
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"""
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Graphics specific probe
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"""
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gpu_archs = []
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if self.host_is_target:
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gpu_archs = [gpu.arch for gpu in self.constants.computer.gpus if gpu.class_code != 0xFFFFFFFF]
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else:
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if self.model in smbios_data.smbios_dictionary:
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gpu_archs = smbios_data.smbios_dictionary[self.model]["Stock GPUs"]
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for arch in gpu_archs:
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# Legacy Metal Logic
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if arch in [
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device_probe.Intel.Archs.Ivy_Bridge,
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device_probe.Intel.Archs.Haswell,
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device_probe.Intel.Archs.Broadwell,
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device_probe.Intel.Archs.Skylake,
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device_probe.NVIDIA.Archs.Kepler,
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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.Polaris_Spoof,
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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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if arch in [
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device_probe.Intel.Archs.Ivy_Bridge,
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device_probe.Intel.Archs.Haswell,
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device_probe.NVIDIA.Archs.Kepler,
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]:
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self.constants.disable_amfi = True
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if 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.Polaris_Spoof,
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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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if arch == device_probe.AMD.Archs.Legacy_GCN_7000:
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# Check if we're running in Rosetta
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if self.host_is_target:
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if self.constants.computer.rosetta_active is True:
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continue
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# Allow H.265 on AMD
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if self.model in smbios_data.smbios_dictionary:
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if "Socketed GPUs" in smbios_data.smbios_dictionary[self.model]:
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self.constants.serial_settings = "Minimal"
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# See if system can use the native AMD stack in Ventura
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if arch in [
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device_probe.AMD.Archs.Polaris,
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device_probe.AMD.Archs.Polaris_Spoof,
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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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if self.host_is_target:
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if "AVX2" in self.constants.computer.cpu.leafs:
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continue
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else:
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if self.model in smbios_data.smbios_dictionary:
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if smbios_data.smbios_dictionary[self.model]["CPU Generation"] >= cpu_data.CPUGen.haswell.value:
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continue
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self.constants.sip_status = False
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self.constants.secure_status = False
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self.constants.disable_cs_lv = True
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# Non-Metal Logic
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elif arch in [
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device_probe.Intel.Archs.Iron_Lake,
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device_probe.Intel.Archs.Sandy_Bridge,
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device_probe.NVIDIA.Archs.Tesla,
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device_probe.NVIDIA.Archs.Fermi,
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device_probe.NVIDIA.Archs.Maxwell,
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device_probe.NVIDIA.Archs.Pascal,
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device_probe.AMD.Archs.TeraScale_1,
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device_probe.AMD.Archs.TeraScale_2,
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]:
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self.constants.sip_status = False
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self.constants.secure_status = False
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self.constants.disable_cs_lv = True
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if os_data.os_data.ventura in self.constants.legacy_accel_support:
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# Only disable AMFI if we officially support Ventura
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self.constants.disable_amfi = True
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for key in ["Moraea_BlurBeta"]:
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# Enable BetaBlur if user hasn't disabled it
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is_key_enabled = subprocess.run(["/usr/bin/defaults", "read", "-globalDomain", key], stdout=subprocess.PIPE).stdout.decode("utf-8").strip()
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if is_key_enabled not in ["false", "0"]:
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subprocess.run(["/usr/bin/defaults", "write", "-globalDomain", key, "-bool", "true"])
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def _check_amfipass_supported(self) -> None:
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"""
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Check if root volume supports AMFIPass
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The basic requirements of this function are:
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- The host is the target
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- Root volume doesn't have adhoc signed binaries
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If all of these conditions are met, it is safe to disable AMFI and CS_LV. Otherwise, for safety, leave it be.
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"""
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if not self.host_is_target:
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# Unknown whether the host is using old binaries
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# Rebuild it once you are on the host
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return
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# Check for adhoc signed binaries
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if self.constants.computer.oclp_sys_signed is False:
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# Root patch with new binaries, then reboot
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return
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# Note: simply checking the authority is not enough, as the authority can be spoofed
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# (but do we really care? this is just a simple check)
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# Note: the cert will change
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self.constants.disable_amfi = False
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self.constants.disable_cs_lv = False
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