Clean up the unused EDK_RELEASE_VERSION, PI_SPECIFICATION_VERSION and EFI_SPECIFICATI...

[mirror_edk2.git] / MdePkg / Library / PeiServicesTablePointerLibIdt / PeiServicesTablePointer.c

diff --git a/MdePkg/Library/PeiServicesTablePointerLibIdt/PeiServicesTablePointer.c b/MdePkg/Library/PeiServicesTablePointerLibIdt/PeiServicesTablePointer.c
index a1959e121d61a73ea89026293b36c2123ffaf4c5..11af09a040797d3bcf18bc5ca06b5cbc34e932c7 100644 (file)
--- a/MdePkg/Library/PeiServicesTablePointerLibIdt/PeiServicesTablePointer.c
+++ b/MdePkg/Library/PeiServicesTablePointerLibIdt/PeiServicesTablePointer.c
@@ -1,6 +1,9 @@
 /** @file\r
   PEI Services Table Pointer Library for IA-32 and X64.\r
 \r
+  According to PI specification, the peiservice pointer is stored prior at IDT\r
+  table in IA32 and x64 architecture.\r
+  \r
   Copyright (c) 2006 - 2007, Intel Corporation.<BR>\r
   All rights reserved. This program and the accompanying materials                          \r
   are licensed and made available under the terms and conditions of the BSD License         \r
@@ -31,17 +34,17 @@
   @return  The pointer to PeiServices.\r
 \r
 **/\r
-EFI_PEI_SERVICES **\r
+CONST EFI_PEI_SERVICES **\r
 EFIAPI\r
 GetPeiServicesTablePointer (\r
   VOID\r
   )\r
 {\r
-  EFI_PEI_SERVICES  **PeiServices;\r
+  CONST EFI_PEI_SERVICES  **PeiServices;\r
   IA32_DESCRIPTOR   Idtr;\r
   \r
   AsmReadIdtr (&Idtr);\r
-  PeiServices = (EFI_PEI_SERVICES **) (*(UINTN*)(Idtr.Base - sizeof (UINTN)));\r
+  PeiServices = (CONST EFI_PEI_SERVICES **) (*(UINTN*)(Idtr.Base - sizeof (UINTN)));\r
   ASSERT (PeiServices != NULL);\r
   return PeiServices;\r
 }\r
@@ -62,7 +65,7 @@ GetPeiServicesTablePointer (
 VOID\r
 EFIAPI\r
 SetPeiServicesTablePointer (\r
-  EFI_PEI_SERVICES ** PeiServicesTablePointer\r
+  IN CONST EFI_PEI_SERVICES ** PeiServicesTablePointer\r
   )\r
 {\r
   IA32_DESCRIPTOR   Idtr;\r