build: Add FixPCIeLinkRate.efi

CHANGELOG.md

@@ -1,6 +1,8 @@
 # OpenCore Legacy Patcher changelog
 
 ## 0.5.3
+- Integrate FixPCIeLinkrate.efi v0.1.0
+  - Fixes link rate for PCIe 3.0 devices on MacPro3,1
 
 ## 0.5.2
 - Ventura Specific Updates:

README.md

@@ -89,6 +89,8 @@ To run the project from source, see here: [Build and run from source](./SOURCE.m
   * Endless hours helping architect and troubleshoot many portions of the project
 * [flagers](https://github.com/flagersgit)
   * Aid with Nvidia Web Driver research and development
+* [joevt](https://github.com/joevt)
+  * [FixPCIeLinkrate](https://github.com/joevt/joevtApps)
 * MacRumors and Unsupported Mac Communities
   * Endless testing, reporting issues
 * Apple

payloads/Config/config.plist

@@ -2517,6 +2517,18 @@
 				<key>LoadEarly</key>
 				<false/>
 			</dict>
+			<dict>
+				<key>Comment</key>
+				<string></string>
+				<key>Path</key>
+				<string>FixPCIeLinkRate.efi</string>
+				<key>Enabled</key>
+				<false/>
+				<key>Arguments</key>
+				<string></string>
+				<key>LoadEarly</key>
+				<false/>
+			</dict>
 		</array>
 		<key>Input</key>
 		<dict>

resources/build/firmware.py

@@ -176,6 +176,12 @@ class build_firmware:
             support.build_support(self.model, self.constants, self.config).get_efi_binary_by_path("XhciDxe.efi", "UEFI", "Drivers")["Enabled"] = True
             support.build_support(self.model, self.constants, self.config).get_efi_binary_by_path("UsbBusDxe.efi", "UEFI", "Drivers")["Enabled"] = True
 
+        # PCIe Link Rate check
+        if self.model == "MacPro3,1":
+            print("- Adding PCIe Link Rate Patch")
+            shutil.copy(self.constants.link_rate_driver_path, self.constants.drivers_path)
+            support.build_support(self.model, self.constants, self.config).get_efi_binary_by_path("FixPCIeLinkRate.efi", "UEFI", "Drivers")["Enabled"] = True
+
 
     def firmware_compatibility_handling(self):
         self.dual_dp_handling()

resources/constants.py

@@ -265,6 +265,10 @@ class Constants:
     def diags_launcher_path(self):
         return self.payload_path / Path("Drivers/diags.efi")
 
+    @property
+    def link_rate_driver_path(self):
+        return self.payload_path / Path("Drivers/FixPCIeLinkRate.efi")
+
     @property
     def list_txt_path(self):
         return self.payload_path / Path("List.txt")