OcCpuLib: Fixed showing core count for some AMD CPUs

Changelog.md

@@ -18,6 +18,7 @@ OpenCore Changelog
 - Removed `KeyMergeThreshold` as it never functioned anyway
 - Added `acdtinfo` utility to lookup certain products
 - Fixed `FSBFrequency` calculation with fractional multiplier
+- Fixed showing core count for some AMD CPUs
 
 #### v0.6.6
 - Added keyboard and pointer entry scroll support in OpenCanopy

Library/OcCpuLib/OcCpuLib.c

@@ -525,13 +525,6 @@ ScanAmdProcessor (
   Recalculate = TRUE;
   DEBUG_CODE_END ();
 
-  //
-  // Faking an Intel Core i5 Processor.
-  // This value is purely cosmetic, but it makes sense to fake something
-  // that is somewhat representative of the kind of Processor that's actually
-  // in the system
-  //
-  Cpu->AppleProcessorType = AppleProcessorTypeCorei5Type5;
   //
   // get TSC Frequency calculated in OcTimerLib, unless we got it already from virtualization extensions.
   // FIXME(1): This code assumes the CPU operates in P0.  Either ensure it does
@@ -551,6 +544,18 @@ ScanAmdProcessor (
     Cpu->ThreadCount = (UINT16) (BitFieldRead32 (CpuidEcx, 0, 7) + 1);
   }
 
+  //
+  // Faking an Intel processor with matching core count if possible.
+  // This value is purely cosmetic, but it makes sense to fake something
+  // that is somewhat representative of the kind of Processor that's actually
+  // in the system
+  //
+  if (Cpu->ThreadCount >= 8) {
+    Cpu->AppleProcessorType = AppleProcessorTypeXeonW;
+  } else {
+    Cpu->AppleProcessorType = AppleProcessorTypeCorei5Type5;
+  }
+
   if (Cpu->Family == AMD_CPU_FAMILY) {
     Divisor         = 0;
     CoreFrequencyID = 0;