build.py: Fix PM on Ivy Bridge and older

CHANGELOG.md

@@ -35,6 +35,7 @@
     - ex. AMD GCN
     - Relies on N-1 system for when matching KDK is not present
   - Delete unused KDKs in `/Library/Developer/KDKs` during root patching
+  - Resolve Power Management support for Ivy Bridge and older
 - Increment Binaries:
   - OpenCorePkg 0.8.5 release
   - Lilu 1.6.2 - release

payloads/Config/config.plist

@@ -1473,6 +1473,42 @@
 				<key>PlistPath</key>
 				<string>Contents/Info.plist</string>
 			</dict>
+			<dict>
+				<key>Arch</key>
+				<string>x86_64</string>
+				<key>BundlePath</key>
+				<string>AppleIntelCPUPowerManagement.kext</string>
+				<key>Comment</key>
+				<string>Legacy Power Management (pre-XCPM)</string>
+				<key>Enabled</key>
+				<false/>
+				<key>ExecutablePath</key>
+				<string>Contents/MacOS/AppleIntelCPUPowerManagement</string>
+				<key>MaxKernel</key>
+				<string></string>
+				<key>MinKernel</key>
+				<string>22.0.0</string>
+				<key>PlistPath</key>
+				<string>Contents/Info.plist</string>
+			</dict>
+			<dict>
+				<key>Arch</key>
+				<string>x86_64</string>
+				<key>BundlePath</key>
+				<string>AppleIntelCPUPowerManagementClient.kext</string>
+				<key>Comment</key>
+				<string>Legacy Power Management (pre-XCPM) Helper</string>
+				<key>Enabled</key>
+				<false/>
+				<key>ExecutablePath</key>
+				<string>Contents/MacOS/AppleIntelCPUPowerManagementClient</string>
+				<key>MaxKernel</key>
+				<string></string>
+				<key>MinKernel</key>
+				<string>22.0.0</string>
+				<key>PlistPath</key>
+				<string>Contents/Info.plist</string>
+			</dict>
 		</array>
 		<key>Block</key>
 		<array/>

resources/build.py

@@ -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:

resources/constants.py

@@ -63,6 +63,7 @@ class Constants:
         self.intel_82574l_version = "1.0.0" #  Intel82574L
         self.intel_8254x_version = "1.0.0" #   AppleIntel8254XEthernet
         self.apple_usb_11_injector = "1.0.0" # AppleUSBUHCI/OHCI
+        self.aicpupm_version = "1.0.0" #       AppleIntelCPUPowerManagement/Client
 
         ## Apple - Dortania Modified
         self.bcm570_version = "1.0.2"  #             CatalinaBCM5701Ethernet
@@ -321,6 +322,14 @@ class Constants:
     def apple_usb_11_injector_path(self):
         return self.payload_kexts_path / Path(f"USB/USB1.1-Injector-v{self.apple_usb_11_injector}.zip")
 
+    @property
+    def aicpupm_path(self):
+        return self.payload_kexts_path / Path(f"Misc/AppleIntelCPUPowerManagement-v{self.aicpupm_version}.zip")
+
+    @property
+    def aicpupm_client_path(self):
+        return self.payload_kexts_path / Path(f"Misc/AppleIntelCPUPowerManagementClient-v{self.aicpupm_version}.zip")
+
     @property
     def mce_path(self):
         return self.payload_kexts_path / Path(f"Misc/AppleMCEReporterDisabler-v{self.mce_version}.zip")