device_probe.py: Add non-Mac detection

Applicable for Virtual Machines and Hackintoshes

resources/constants.py

@@ -192,6 +192,7 @@ class Constants:
         self.start_build_install = False  #    Determine if build install should be started
         self.host_is_non_metal = False  #      Determine if host is non-metal (ie. enable UI hacks)
         self.needs_to_open_preferences = False  # Determine if preferences need to be opened
+        self.host_is_hackintosh = False #     Determine if host is Hackintosh
 
         self.legacy_accel_support = [
             os_data.os_data.big_sur,

resources/device_probe.py

@@ -484,6 +484,7 @@ class Computer:
     secure_boot_policy: Optional[int] = None
     oclp_sys_version: Optional[str] = None
     oclp_sys_date: Optional[str] = None
+    firmware_vendor: Optional[str] = None
 
     @staticmethod
     def probe():
@@ -704,6 +705,13 @@ class Computer:
         # SecureBoot Variables
         self.secure_boot_model = utilities.check_secure_boot_model()
         self.secure_boot_policy = utilities.check_ap_security_policy()
+
+        # Firmware Vendor
+        firmware_vendor = utilities.get_firmware_vendor(decode=False)
+        if isinstance(firmware_vendor, bytes):
+            firmware_vendor = str(firmware_vendor.replace(b"\x00", b"").decode("utf-8"))
+        self.firmware_vendor = firmware_vendor
+
     def cpu_probe(self):
         self.cpu = CPU(
             subprocess.run("sysctl machdep.cpu.brand_string".split(), stdout=subprocess.PIPE).stdout.decode().partition(": ")[2].strip(),

resources/main.py

@@ -33,6 +33,9 @@ class OpenCoreLegacyPatcher:
         self.constants.recovery_status = utilities.check_recovery()
         self.computer = self.constants.computer
         self.constants.booted_oc_disk = utilities.find_disk_off_uuid(utilities.clean_device_path(self.computer.opencore_path))
+        if self.constants.computer.firmware_vendor:
+            if self.constants.computer.firmware_vendor != "Apple":
+                self.constants.host_is_hackintosh = True
         launcher_script = None
         launcher_binary = sys.executable
         if "python" in launcher_binary:

resources/utilities.py

@@ -371,6 +371,21 @@ def get_rom(variable: str, *, decode: bool = False):
         value = value.strip(b"\0").decode()
     return value
 
+def get_firmware_vendor(*, decode: bool = False):
+    efi = ioreg.IORegistryEntryFromPath(ioreg.kIOMasterPortDefault, "IODeviceTree:/efi".encode())
+    value = ioreg.IORegistryEntryCreateCFProperty(efi, "firmware-vendor", ioreg.kCFAllocatorDefault, ioreg.kNilOptions)
+    ioreg.IOObjectRelease(efi)
+
+    if not value:
+        return None
+
+    value = ioreg.corefoundation_to_native(value)
+    if decode:
+        if isinstance(value, bytes):
+            value = value.strip(b"\0").decode()
+        elif isinstance(value, str):
+            value = value.strip("\0")
+    return value
 
 def verify_network_connection(url):
     try: