UefiCpuPkg PiSmmCpuDxeSmm: Fixed #double fault on #page fault for IA32

[mirror_edk2.git] / UefiCpuPkg / PiSmmCpuDxeSmm / X64 / SmmFuncsArch.c

diff --git a/UefiCpuPkg/PiSmmCpuDxeSmm/X64/SmmFuncsArch.c b/UefiCpuPkg/PiSmmCpuDxeSmm/X64/SmmFuncsArch.c
index 9d26e44a9acd58c1f279694d0afa3eac2498a544..6a5d453242ff43b362451aaa2a94a51066bc225e 100644 (file)
--- a/UefiCpuPkg/PiSmmCpuDxeSmm/X64/SmmFuncsArch.c
+++ b/UefiCpuPkg/PiSmmCpuDxeSmm/X64/SmmFuncsArch.c
@@ -1,7 +1,7 @@
 /** @file\r
   SMM CPU misc functions for x64 arch specific.\r
   \r
-Copyright (c) 2015 - 2016, Intel Corporation. All rights reserved.<BR>\r
+Copyright (c) 2015 - 2018, Intel Corporation. All rights reserved.<BR>\r
 This program and the accompanying materials\r
 are licensed and made available under the terms and conditions of the BSD License\r
 which accompanies this distribution.  The full text of the license may be found at\r
@@ -95,54 +95,6 @@ InitGdt (
   return GdtTssTables;\r
 }\r
 \r
-/**\r
-  This function sets GDT/IDT buffer to be RO and XP.\r
-**/\r
-VOID\r
-PatchGdtIdtMap (\r
-  VOID\r
-  )\r
-{\r
-  EFI_PHYSICAL_ADDRESS       BaseAddress;\r
-  UINTN                      Size;\r
-\r
-  //\r
-  // GDT\r
-  //\r
-  DEBUG ((DEBUG_INFO, "PatchGdtIdtMap - GDT:\n"));\r
-\r
-  BaseAddress = mGdtBuffer;\r
-  Size = ALIGN_VALUE(mGdtBufferSize, SIZE_4KB);\r
-  SmmSetMemoryAttributes (\r
-    BaseAddress,\r
-    Size,\r
-    EFI_MEMORY_RO\r
-    );\r
-  SmmSetMemoryAttributes (\r
-    BaseAddress,\r
-    Size,\r
-    EFI_MEMORY_XP\r
-    );\r
-\r
-  //\r
-  // IDT\r
-  //\r
-  DEBUG ((DEBUG_INFO, "PatchGdtIdtMap - IDT:\n"));\r
-\r
-  BaseAddress = gcSmiIdtr.Base;\r
-  Size = ALIGN_VALUE(gcSmiIdtr.Limit + 1, SIZE_4KB);\r
-  SmmSetMemoryAttributes (\r
-    BaseAddress,\r
-    Size,\r
-    EFI_MEMORY_RO\r
-    );\r
-  SmmSetMemoryAttributes (\r
-    BaseAddress,\r
-    Size,\r
-    EFI_MEMORY_XP\r
-    );\r
-}\r
-\r
 /**\r
   Get Protected mode code segment from current GDT table.\r
 \r