1 files changed, 8 insertions, 3 deletions
diff --git a/MdeModulePkg/Universal/DebugSupportDxe/X64/PlDebugSupportX64.c b/MdeModulePkg/Universal/DebugSupportDxe/X64/PlDebugSupportX64.c
index 3143bafee7..1a0aeb1901 100644
--- a/MdeModulePkg/Universal/DebugSupportDxe/X64/PlDebugSupportX64.c
+++ b/MdeModulePkg/Universal/DebugSupportDxe/X64/PlDebugSupportX64.c
@@ -12,7 +12,7 @@ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
 
 **/
 
-#include "DebugSupport.h"
+#include "PlDebugSupport.h"
 
 IA32_IDT_GATE_DESCRIPTOR  NullDesc = {{0,0}};
 
@@ -30,7 +30,12 @@ GetInterruptHandleFromIdt (
   )
 {
   UINTN      InterruptHandle;
- 
+
+  //
+  // InterruptHandle  0-15 : OffsetLow
+  // InterruptHandle 16-31 : OffsetHigh
+  // InterruptHandle 32-63 : OffsetUpper
+  //
   ((UINT16 *) &InterruptHandle)[0] = (UINT16) IdtGateDecriptor->Bits.OffsetLow;
   ((UINT16 *) &InterruptHandle)[1] = (UINT16) IdtGateDecriptor->Bits.OffsetHigh;
   ((UINT32 *) &InterruptHandle)[1] = (UINT32) IdtGateDecriptor->Bits.OffsetUpper;
@@ -136,6 +141,6 @@ ManageIdtEntryTable (
       HookEntry (ExceptionType, NewCallback);
     }
   }
- 
+
   return Status;
 }