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build.py: Fix PM on Ivy Bridge and older

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Mykola Grymalyuk
2022-10-06 21:49:20 -06:00
parent 5a2afa4fa7
commit 964697a2c1
6 changed files with 56 additions and 0 deletions
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10
resources/build.py
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@@ -445,6 +445,16 @@ class BuildOpenCore:
self.get_item_by_kv(self.config["ACPI"]["Patch"], "Comment", "BUF0 to BUF1")["Enabled"] = True
shutil.copy(self.constants.windows_ssdt_path, self.constants.acpi_path)
# In macOS Ventura, Apple dropped AppleIntelCPUPowerManagement* kexts as they're unused on Haswell+
# However re-injecting the AICPUPM kexts is not enough, as Apple had 'intel_cpupm_matching' stripped from the kernel:
# https://github.com/apple-oss-distributions/xnu/blob/e7776783b89a353188416a9a346c6cdb4928faad/osfmk/i386/pal_routines.h#L153-L163
#
# To resolve, AICPUPM.kext was modified to no longer check for the presence of 'intel_cpupm_matching'
if smbios_data.smbios_dictionary[self.model]["CPU Generation"] <= cpu_data.cpu_data.ivy_bridge.value:
print("- Enabling legacy power management support")
self.enable_kext("AppleIntelCPUPowerManagement.kext", self.constants.aicpupm_version, self.constants.aicpupm_path)
self.enable_kext("AppleIntelCPUPowerManagementClient.kext", self.constants.aicpupm_version, self.constants.aicpupm_client_path)
# With macOS Monterey, Apple's SDXC driver requires the system to support VT-D
# However pre-Ivy Bridge don't support this feature
if smbios_data.smbios_dictionary[self.model]["CPU Generation"] <= cpu_data.cpu_data.sandy_bridge.value: