mirror of
https://github.com/dortania/OpenCore-Legacy-Patcher.git
synced 2026-06-19 22:00:00 +10:00
build: Implement pythonic formatting
This commit is contained in:
Mykola Grymalyuk
+69
-56
@@ -1,31 +1,41 @@
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# Class for handling CPU and Firmware Patches, invocation from build.py
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# Copyright (C) 2020-2022, Dhinak G, Mykola Grymalyuk
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from resources import constants, generate_smbios
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import shutil
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import logging
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import binascii
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from pathlib import Path
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from resources import constants, generate_smbios, device_probe
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from resources.build import support
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from data import smbios_data, cpu_data
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import binascii, shutil, logging
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from pathlib import Path
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class build_firmware:
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class BuildFirmware:
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def __init__(self, model, versions, config):
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self.model = model
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self.constants: constants.Constants = versions
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self.config = config
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self.computer = self.constants.computer
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def __init__(self, model: str, global_constants: constants.Constants, config: dict) -> None:
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self.model: str = model
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self.config: dict = config
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self.constants: constants.Constants = global_constants
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self.computer: device_probe.Computer = self.constants.computer
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self._build()
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def build(self):
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self.cpu_compatibility_handling()
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self.power_management_handling()
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self.acpi_handling()
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self.firmware_driver_handling()
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self.firmware_compatibility_handling()
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def _build(self) -> None:
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"""
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Kick off CPU and Firmware Build Process
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"""
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self._cpu_compatibility_handling()
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self._power_management_handling()
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self._acpi_handling()
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self._firmware_driver_handling()
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self._firmware_compatibility_handling()
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def power_management_handling(self):
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def _power_management_handling(self) -> None:
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if not self.model in smbios_data.smbios_dictionary:
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return
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if not "CPU Generation" in smbios_data.smbios_dictionary[self.model]:
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@@ -51,8 +61,8 @@ class build_firmware:
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#
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# To resolve, we patched AICPUPM to attach regardless of the value of 'intel_cpupm_matching'
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logging.info("- Enabling legacy power management support")
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support.build_support(self.model, self.constants, self.config).enable_kext("AppleIntelCPUPowerManagement.kext", self.constants.aicpupm_version, self.constants.aicpupm_path)
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support.build_support(self.model, self.constants, self.config).enable_kext("AppleIntelCPUPowerManagementClient.kext", self.constants.aicpupm_version, self.constants.aicpupm_client_path)
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support.BuildSupport(self.model, self.constants, self.config).enable_kext("AppleIntelCPUPowerManagement.kext", self.constants.aicpupm_version, self.constants.aicpupm_path)
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support.BuildSupport(self.model, self.constants, self.config).enable_kext("AppleIntelCPUPowerManagementClient.kext", self.constants.aicpupm_version, self.constants.aicpupm_client_path)
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if smbios_data.smbios_dictionary[self.model]["CPU Generation"] <= cpu_data.cpu_data.sandy_bridge.value or self.constants.disable_xcpm is True:
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# With macOS 12.3 Beta 1, Apple dropped the 'plugin-type' check within X86PlatformPlugin
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@@ -61,18 +71,18 @@ class build_firmware:
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# power management tables provided.
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# This patch will simply increase ASPP's 'IOProbeScore' to outmatch X86PP
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logging.info("- Overriding ACPI SMC matching")
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support.build_support(self.model, self.constants, self.config).enable_kext("ASPP-Override.kext", self.constants.aspp_override_version, self.constants.aspp_override_path)
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support.BuildSupport(self.model, self.constants, self.config).enable_kext("ASPP-Override.kext", self.constants.aspp_override_version, self.constants.aspp_override_path)
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if self.constants.disable_xcpm is True:
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# Only inject on older OSes if user requests
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support.build_support(self.model, self.constants, self.config).get_item_by_kv(self.config["Kernel"]["Add"], "BundlePath", "ASPP-Override.kext")["MinKernel"] = ""
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support.BuildSupport(self.model, self.constants, self.config).get_item_by_kv(self.config["Kernel"]["Add"], "BundlePath", "ASPP-Override.kext")["MinKernel"] = ""
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if self.constants.disable_msr_power_ctl is True and smbios_data.smbios_dictionary[self.model]["CPU Generation"] >= cpu_data.cpu_data.nehalem.value:
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logging.info("- Disabling Firmware Throttling")
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# Nehalem and newer systems force firmware throttling via MSR_POWER_CTL
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support.build_support(self.model, self.constants, self.config).enable_kext("SimpleMSR.kext", self.constants.simplemsr_version, self.constants.simplemsr_path)
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support.BuildSupport(self.model, self.constants, self.config).enable_kext("SimpleMSR.kext", self.constants.simplemsr_version, self.constants.simplemsr_path)
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def acpi_handling(self):
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def _acpi_handling(self) -> None:
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if not self.model in smbios_data.smbios_dictionary:
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return
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if not "CPU Generation" in smbios_data.smbios_dictionary[self.model]:
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@@ -83,19 +93,19 @@ class build_firmware:
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# IOPCIFamily will error when enumerating this device, thus we'll power it off via _STA (has no effect in older OSes)
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if smbios_data.smbios_dictionary[self.model]["CPU Generation"] == cpu_data.cpu_data.nehalem.value and not (self.model.startswith("MacPro") or self.model.startswith("Xserve")):
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logging.info("- Adding SSDT-CPBG.aml")
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support.build_support(self.model, self.constants, self.config).get_item_by_kv(self.config["ACPI"]["Add"], "Path", "SSDT-CPBG.aml")["Enabled"] = True
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support.BuildSupport(self.model, self.constants, self.config).get_item_by_kv(self.config["ACPI"]["Add"], "Path", "SSDT-CPBG.aml")["Enabled"] = True
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shutil.copy(self.constants.pci_ssdt_path, self.constants.acpi_path)
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if cpu_data.cpu_data.sandy_bridge <= smbios_data.smbios_dictionary[self.model]["CPU Generation"] <= cpu_data.cpu_data.ivy_bridge.value and self.model != "MacPro6,1":
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# Based on: https://egpu.io/forums/pc-setup/fix-dsdt-override-to-correct-error-12/
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# Applicable for Sandy and Ivy Bridge Macs
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logging.info("- Enabling Windows 10 UEFI Audio support")
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support.build_support(self.model, self.constants, self.config).get_item_by_kv(self.config["ACPI"]["Add"], "Path", "SSDT-PCI.aml")["Enabled"] = True
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support.build_support(self.model, self.constants, self.config).get_item_by_kv(self.config["ACPI"]["Patch"], "Comment", "BUF0 to BUF1")["Enabled"] = True
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support.BuildSupport(self.model, self.constants, self.config).get_item_by_kv(self.config["ACPI"]["Add"], "Path", "SSDT-PCI.aml")["Enabled"] = True
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support.BuildSupport(self.model, self.constants, self.config).get_item_by_kv(self.config["ACPI"]["Patch"], "Comment", "BUF0 to BUF1")["Enabled"] = True
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shutil.copy(self.constants.windows_ssdt_path, self.constants.acpi_path)
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def cpu_compatibility_handling(self):
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def _cpu_compatibility_handling(self) -> None:
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if not self.model in smbios_data.smbios_dictionary:
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return
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if not "CPU Generation" in smbios_data.smbios_dictionary[self.model]:
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@@ -104,14 +114,14 @@ class build_firmware:
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# SSE4,1 support (ie. Penryn)
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# Required for macOS Mojave and newer
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if smbios_data.smbios_dictionary[self.model]["CPU Generation"] <= cpu_data.cpu_data.penryn.value:
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support.build_support(self.model, self.constants, self.config).enable_kext("AAAMouSSE.kext", self.constants.mousse_version, self.constants.mousse_path)
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support.build_support(self.model, self.constants, self.config).enable_kext("telemetrap.kext", self.constants.telemetrap_version, self.constants.telemetrap_path)
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support.BuildSupport(self.model, self.constants, self.config).enable_kext("AAAMouSSE.kext", self.constants.mousse_version, self.constants.mousse_path)
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support.BuildSupport(self.model, self.constants, self.config).enable_kext("telemetrap.kext", self.constants.telemetrap_version, self.constants.telemetrap_path)
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# Force Rosetta Cryptex installation in macOS Ventura
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# Restores support for CPUs lacking AVX2.0 support
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if smbios_data.smbios_dictionary[self.model]["CPU Generation"] <= cpu_data.cpu_data.ivy_bridge.value:
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logging.info("- Enabling Rosetta Cryptex support in Ventura")
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support.build_support(self.model, self.constants, self.config).enable_kext("CryptexFixup.kext", self.constants.cryptexfixup_version, self.constants.cryptexfixup_path)
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support.BuildSupport(self.model, self.constants, self.config).enable_kext("CryptexFixup.kext", self.constants.cryptexfixup_version, self.constants.cryptexfixup_path)
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# i3 Ivy Bridge iMacs don't support RDRAND
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# However for prebuilt, assume they do
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@@ -120,14 +130,14 @@ class build_firmware:
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# Ref: https://github.com/reenigneorcim/SurPlus
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# Enable for all systems missing RDRAND support
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logging.info("- Adding SurPlus Patch for Race Condition")
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support.build_support(self.model, self.constants, self.config).get_item_by_kv(self.config["Kernel"]["Patch"], "Comment", "SurPlus v1 - PART 1 of 2 - Patch read_erandom (inlined in _early_random)")["Enabled"] = True
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support.build_support(self.model, self.constants, self.config).get_item_by_kv(self.config["Kernel"]["Patch"], "Comment", "SurPlus v1 - PART 2 of 2 - Patch register_and_init_prng")["Enabled"] = True
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support.BuildSupport(self.model, self.constants, self.config).get_item_by_kv(self.config["Kernel"]["Patch"], "Comment", "SurPlus v1 - PART 1 of 2 - Patch read_erandom (inlined in _early_random)")["Enabled"] = True
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support.BuildSupport(self.model, self.constants, self.config).get_item_by_kv(self.config["Kernel"]["Patch"], "Comment", "SurPlus v1 - PART 2 of 2 - Patch register_and_init_prng")["Enabled"] = True
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if self.constants.force_surplus is True:
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# Syncretic forces SurPlus to only run on Beta 7 and older by default for saftey reasons
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# If users desires, allow forcing in newer OSes
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logging.info("- Allowing SurPlus on all newer OSes")
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support.build_support(self.model, self.constants, self.config).get_item_by_kv(self.config["Kernel"]["Patch"], "Comment", "SurPlus v1 - PART 1 of 2 - Patch read_erandom (inlined in _early_random)")["MaxKernel"] = ""
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support.build_support(self.model, self.constants, self.config).get_item_by_kv(self.config["Kernel"]["Patch"], "Comment", "SurPlus v1 - PART 2 of 2 - Patch register_and_init_prng")["MaxKernel"] = ""
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support.BuildSupport(self.model, self.constants, self.config).get_item_by_kv(self.config["Kernel"]["Patch"], "Comment", "SurPlus v1 - PART 1 of 2 - Patch read_erandom (inlined in _early_random)")["MaxKernel"] = ""
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support.BuildSupport(self.model, self.constants, self.config).get_item_by_kv(self.config["Kernel"]["Patch"], "Comment", "SurPlus v1 - PART 2 of 2 - Patch register_and_init_prng")["MaxKernel"] = ""
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# In macOS 12.4 and 12.5 Beta 1, Apple added AVX1.0 usage in AppleFSCompressionTypeZlib
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# Pre-Sandy Bridge CPUs don't support AVX1.0, thus we'll downgrade the kext to 12.3.1's
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@@ -138,16 +148,16 @@ class build_firmware:
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# To verify the non-AVX kext is used, check IOService for 'com_apple_AppleFSCompression_NoAVXCompressionTypeZlib'
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if smbios_data.smbios_dictionary[self.model]["CPU Generation"] < cpu_data.cpu_data.sandy_bridge.value:
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support.build_support(self.model, self.constants, self.config).enable_kext("NoAVXFSCompressionTypeZlib.kext", self.constants.apfs_zlib_version, self.constants.apfs_zlib_path)
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support.build_support(self.model, self.constants, self.config).enable_kext("NoAVXFSCompressionTypeZlib-AVXpel.kext", self.constants.apfs_zlib_v2_version, self.constants.apfs_zlib_v2_path)
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support.BuildSupport(self.model, self.constants, self.config).enable_kext("NoAVXFSCompressionTypeZlib.kext", self.constants.apfs_zlib_version, self.constants.apfs_zlib_path)
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support.BuildSupport(self.model, self.constants, self.config).enable_kext("NoAVXFSCompressionTypeZlib-AVXpel.kext", self.constants.apfs_zlib_v2_version, self.constants.apfs_zlib_v2_path)
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# HID patches
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if smbios_data.smbios_dictionary[self.model]["CPU Generation"] <= cpu_data.cpu_data.penryn.value:
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logging.info("- Adding IOHIDFamily patch")
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support.build_support(self.model, self.constants, self.config).get_item_by_kv(self.config["Kernel"]["Patch"], "Identifier", "com.apple.iokit.IOHIDFamily")["Enabled"] = True
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support.BuildSupport(self.model, self.constants, self.config).get_item_by_kv(self.config["Kernel"]["Patch"], "Identifier", "com.apple.iokit.IOHIDFamily")["Enabled"] = True
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def firmware_driver_handling(self):
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def _firmware_driver_handling(self) -> None:
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# Firmware Drivers (Drivers/*.efi)
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if not self.model in smbios_data.smbios_dictionary:
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return
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@@ -159,13 +169,13 @@ class build_firmware:
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# Sandy Bridge and newer Macs natively support ExFat
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logging.info("- Adding ExFatDxeLegacy.efi")
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shutil.copy(self.constants.exfat_legacy_driver_path, self.constants.drivers_path)
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support.build_support(self.model, self.constants, self.config).get_efi_binary_by_path("ExFatDxeLegacy.efi", "UEFI", "Drivers")["Enabled"] = True
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support.BuildSupport(self.model, self.constants, self.config).get_efi_binary_by_path("ExFatDxeLegacy.efi", "UEFI", "Drivers")["Enabled"] = True
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# NVMe check
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if self.constants.nvme_boot is True:
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logging.info("- Enabling NVMe boot support")
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shutil.copy(self.constants.nvme_driver_path, self.constants.drivers_path)
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support.build_support(self.model, self.constants, self.config).get_efi_binary_by_path("NvmExpressDxe.efi", "UEFI", "Drivers")["Enabled"] = True
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support.BuildSupport(self.model, self.constants, self.config).get_efi_binary_by_path("NvmExpressDxe.efi", "UEFI", "Drivers")["Enabled"] = True
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# USB check
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if self.constants.xhci_boot is True:
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@@ -173,18 +183,18 @@ class build_firmware:
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logging.info("- Adding XhciDxe.efi and UsbBusDxe.efi")
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shutil.copy(self.constants.xhci_driver_path, self.constants.drivers_path)
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shutil.copy(self.constants.usb_bus_driver_path, self.constants.drivers_path)
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support.build_support(self.model, self.constants, self.config).get_efi_binary_by_path("XhciDxe.efi", "UEFI", "Drivers")["Enabled"] = True
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support.build_support(self.model, self.constants, self.config).get_efi_binary_by_path("UsbBusDxe.efi", "UEFI", "Drivers")["Enabled"] = True
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support.BuildSupport(self.model, self.constants, self.config).get_efi_binary_by_path("XhciDxe.efi", "UEFI", "Drivers")["Enabled"] = True
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support.BuildSupport(self.model, self.constants, self.config).get_efi_binary_by_path("UsbBusDxe.efi", "UEFI", "Drivers")["Enabled"] = True
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# PCIe Link Rate check
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if self.model == "MacPro3,1":
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logging.info("- Adding PCIe Link Rate Patch")
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shutil.copy(self.constants.link_rate_driver_path, self.constants.drivers_path)
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support.build_support(self.model, self.constants, self.config).get_efi_binary_by_path("FixPCIeLinkRate.efi", "UEFI", "Drivers")["Enabled"] = True
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support.BuildSupport(self.model, self.constants, self.config).get_efi_binary_by_path("FixPCIeLinkRate.efi", "UEFI", "Drivers")["Enabled"] = True
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def firmware_compatibility_handling(self):
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self.dual_dp_handling()
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def _firmware_compatibility_handling(self) -> None:
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self._dual_dp_handling()
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# Force VMM as a temporary solution to getting the MacPro6,1 booting in Ventura
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# With macOS Ventura, Apple removed AppleIntelCPUPowerManagement.kext and assumed XCPM support across all Macs
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@@ -228,21 +238,24 @@ class build_firmware:
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if self.model not in affected_smbios:
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# If MacPro6,1 host spoofs, we can safely enable it
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if self.constants.override_smbios in affected_smbios or generate_smbios.set_smbios_model_spoof(self.model) in affected_smbios:
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support.build_support(self.model, self.constants, self.config).enable_kext("AppleMCEReporterDisabler.kext", self.constants.mce_version, self.constants.mce_path)
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support.BuildSupport(self.model, self.constants, self.config).enable_kext("AppleMCEReporterDisabler.kext", self.constants.mce_version, self.constants.mce_path)
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def dual_dp_handling(self):
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# Check if model has 5K display
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# Apple has 2 modes for display handling on 5K iMacs and iMac Pro
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# If at any point in the boot chain an "unsupported" entry is loaded, the firmware will tell the
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# Display Controller to enter a 4K compatible mode that only uses a single DisplayPort 1.2 stream internally.
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# This is to prevent situations where the system would boot into an enviroment that cannot handle the custom
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# dual DisplayPort 1.2 streams the 5k Display uses
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def _dual_dp_handling(self) -> None:
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"""
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Dual DisplayPort Stream Handler (ex. 5k iMac)
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# To work around this issue, we trick the firmware into loading OpenCore through Apple's Hardware Diagnostic Tests
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# Specifically hiding as Product.efi under '/System/Library/CoreServices/.diagnostics/Drivers/HardwareDrivers/Product.efi'
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# The reason chainloading via ./Drivers/HardwareDrivers is possible is thanks to it being loaded via an encrypted file buffer
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# whereas other drivers like ./qa_logger.efi is invoked via Device Path.
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Apple has 2 modes for display handling on 5K iMacs and iMac Pro
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If at any point in the boot chain an "unsupported" entry is loaded, the firmware will tell the
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Display Controller to enter a 4K compatible mode that only uses a single DisplayPort 1.2 stream internally.
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This is to prevent situations where the system would boot into an enviroment that cannot handle the custom
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dual DisplayPort 1.2 streams the 5k Display uses
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To work around this issue, we trick the firmware into loading OpenCore through Apple's Hardware Diagnostic Tests
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Specifically hiding as Product.efi under '/System/Library/CoreServices/.diagnostics/Drivers/HardwareDrivers/Product.efi'
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The reason chainloading via ./Drivers/HardwareDrivers is possible is thanks to it being loaded via an encrypted file buffer
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whereas other drivers like ./qa_logger.efi is invoked via Device Path.
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"""
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if "5K Display" not in smbios_data.smbios_dictionary[self.model]:
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return
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