UefiCpuPkg/PiSmmCpu: Add Shadow Stack Support for X86 SMM.

[mirror_edk2.git] / UefiCpuPkg / UefiCpuPkg.dec

diff --git a/UefiCpuPkg/UefiCpuPkg.dec b/UefiCpuPkg/UefiCpuPkg.dec
index 69d777aa6535d4d80f2bba3b6d541de5befc533b..d51f3de1142434c1b59d1adda53b7c320e282724 100644 (file)
--- a/UefiCpuPkg/UefiCpuPkg.dec
+++ b/UefiCpuPkg/UefiCpuPkg.dec
@@ -1,7 +1,7 @@
 ## @file  UefiCpuPkg.dec\r
 # This Package provides UEFI compatible CPU modules and libraries.\r
 #\r
-# Copyright (c) 2007 - 2017, Intel Corporation. All rights reserved.<BR>\r
+# Copyright (c) 2007 - 2019, Intel Corporation. All rights reserved.<BR>\r
 #\r
 # This program and the accompanying materials are licensed and made available under\r
 # the terms and conditions of the BSD License which accompanies this distribution.\r
@@ -177,6 +177,10 @@
   # @Prompt Processor stack size in SMM.\r
   gUefiCpuPkgTokenSpaceGuid.PcdCpuSmmStackSize|0x2000|UINT32|0x32132105\r
 \r
+  ## Specifies shadow stack size in bytes for each processor in SMM.\r
+  # @Prompt Processor shadow stack size in SMM.\r
+  gUefiCpuPkgTokenSpaceGuid.PcdCpuSmmShadowStackSize|0x2000|UINT32|0x3213210E\r
+\r
   ## Indicates if SMM Code Access Check is enabled.\r
   #  If enabled, the SMM handler cannot execute the code outside SMM regions.\r
   #  This PCD is suggested to TRUE in production image.<BR><BR>\r