ArmPlatformPkg/Bds: Add support to handle Unicode parameters

Most UEFI applications expect unicode string parameter.
This change is allows to support Ascii or Unicode strings.

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@15450 6f19259b-4bc3-4df7-8a09-765794883524

ArmPlatformPkg/Bds/BdsHelper.c

@@ -323,3 +323,18 @@ GetAlignedDevicePath (
   }
 }
 
+BOOLEAN
+IsUnicodeString (
+  IN VOID* String
+  )
+{
+  // We do not support NULL pointer
+  ASSERT (String != NULL);
+
+  if (*(CHAR16*)String < 0x100) {
+    //Note: We could get issue if the string is an empty Ascii string...
+    return TRUE;
+  } else {
+    return FALSE;
+  }
+}