From 5dd39dc6556952b301eba6a2082acbbc5ea1fbca Mon Sep 17 00:00:00 2001
From: klu2 <klu2@6f19259b-4bc3-4df7-8a09-765794883524>
Date: Wed, 3 Sep 2008 08:04:48 +0000
Subject: 1, remove MigrateIdt interface, 2, remove unused library class

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@5793 6f19259b-4bc3-4df7-8a09-765794883524
---
 .../PeiServicesTablePointer.c                      | 41 ++++------------------
 1 file changed, 7 insertions(+), 34 deletions(-)

(limited to 'MdePkg/Library/PeiServicesTablePointerLibIdt/PeiServicesTablePointer.c')

diff --git a/MdePkg/Library/PeiServicesTablePointerLibIdt/PeiServicesTablePointer.c b/MdePkg/Library/PeiServicesTablePointerLibIdt/PeiServicesTablePointer.c
index 97abaa4aeb..a1959e121d 100644
--- a/MdePkg/Library/PeiServicesTablePointerLibIdt/PeiServicesTablePointer.c
+++ b/MdePkg/Library/PeiServicesTablePointerLibIdt/PeiServicesTablePointer.c
@@ -12,7 +12,11 @@
 
 **/
 
-#include "InternalPeiServicesTablePointer.h"
+#include <PiPei.h>
+
+#include <Library/BaseLib.h>
+#include <Library/PeiServicesTablePointerLib.h>
+#include <Library/DebugLib.h>
 
 /**
   
@@ -37,7 +41,7 @@ GetPeiServicesTablePointer (
   IA32_DESCRIPTOR   Idtr;
   
   AsmReadIdtr (&Idtr);
-  PeiServices = (EFI_PEI_SERVICES **) (*(UINTN*)(Idtr.Base - 4));
+  PeiServices = (EFI_PEI_SERVICES **) (*(UINTN*)(Idtr.Base - sizeof (UINTN)));
   ASSERT (PeiServices != NULL);
   return PeiServices;
 }
@@ -64,38 +68,7 @@ SetPeiServicesTablePointer (
   IA32_DESCRIPTOR   Idtr;
   
   AsmReadIdtr (&Idtr);
-  (*(UINTN*)(Idtr.Base - 4)) = (UINTN)PeiServicesTablePointer;
+  (*(UINTN*)(Idtr.Base - sizeof (UINTN))) = (UINTN)PeiServicesTablePointer;
 }
 
-/**
-  After memory initialization in PEI phase, the IDT table in temporary memory should 
-  be migrated to memory, and the address of PeiServicesPointer also need to be updated  
-  immediately preceding the new IDT table.
-  
-  @param    PeiServices   The address of PeiServices pointer.
-**/
-VOID
-EFIAPI
-MigrateIdtTable (
-  IN EFI_PEI_SERVICES  **PeiServices
-  )
-{
-  UINTN           Size;
-  VOID            *NewBase;
-  EFI_STATUS      Status;
-  IA32_DESCRIPTOR Idtr;
-  
-  AsmReadIdtr (&Idtr);
-  
-  Size = sizeof(UINTN) + (Idtr.Limit + 1); 
-  
-  Status = PeiServicesAllocatePool (Size, &NewBase);
-  ASSERT_EFI_ERROR (Status);
-  
-  CopyMem ((VOID*)((UINTN)NewBase + sizeof(UINTN)), (VOID*)Idtr.Base, (Idtr.Limit + 1));
-  
-  Idtr.Base = (UINTN)NewBase + sizeof(UINTN);
-  AsmWriteIdtr (&Idtr);
-  SetPeiServicesTablePointer(PeiServices);  
-}  
 
-- 
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