ArmPlatformPkg/ArmVExpressDxe: Identify the current platform

Add a function to ArmVExpressDxe to identify the current platform we
are running on. This includes ARM32 and AArch64 models and hardware.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Olivier Martin <olivier.martin@arm.com>



git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@16931 6f19259b-4bc3-4df7-8a09-765794883524

ArmPlatformPkg/Include/Library/ArmPlatformLib.h

@@ -40,6 +40,19 @@ typedef struct {
   UINT64                       NumberOfBytes;
 } ARM_SYSTEM_MEMORY_REGION_DESCRIPTOR;
 
+/**
+  Return the core per cluster. The method may differ per core type
+
+  This function might be called from assembler before any stack is set.
+
+  @return   Return the core count per cluster
+
+**/
+UINTN
+ArmGetCpuCountPerCluster (
+  VOID
+  );
+
 /**
   Return the core position from the value of its MpId register