ArmPkg: Added Aarch64 support

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



git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@14486 6f19259b-4bc3-4df7-8a09-765794883524

ArmPkg/Include/Library/ArmLib.h

@@ -18,10 +18,16 @@
 
 #include <Uefi/UefiBaseType.h>
 
-#ifdef ARM_CPU_ARMv6
-#include <Chipset/ARM1176JZ-S.h>
+#ifdef MDE_CPU_ARM
+  #ifdef ARM_CPU_ARMv6
+    #include <Chipset/ARM1176JZ-S.h>
+  #else
+    #include <Chipset/ArmV7.h>
+  #endif
+#elif defined(MDE_CPU_AARCH64)
+  #include <Chipset/AArch64.h>
 #else
-#include <Chipset/ArmV7.h>
+ #error "Unknown chipset."
 #endif
 
 typedef enum {
@@ -501,6 +507,7 @@ ArmCallWFE (
 VOID
 EFIAPI
 ArmCallWFI (
+
   VOID
   );