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From caef501f2c05ba2170d0a449856900919021d6f6 Mon Sep 17 00:00:00 2001
From: Your Name <you@example.com>
Date: Fri, 10 Mar 2023 18:47:09 +0000
Subject: [PATCH] Revert "ArmVirtPkg/ArmVirtQemu: omit PCD PEIM unless TPM
 support is enabled"

This reverts commit b6efc505e4d6eb2055a39afd0a1ee67846a1e5f9.

Upstream-Status: Inappropriate [other]
Signed-off-by: Jon Mason <jon.mason@arm.com>

---
 ArmVirtPkg/ArmVirtQemu.dsc | 22 +++++-----------------
 ArmVirtPkg/ArmVirtQemu.fdf |  2 +-
 2 files changed, 6 insertions(+), 18 deletions(-)

diff --git a/ArmVirtPkg/ArmVirtQemu.dsc b/ArmVirtPkg/ArmVirtQemu.dsc
index 2e786dad12..0f8157a032 100644
--- a/ArmVirtPkg/ArmVirtQemu.dsc
+++ b/ArmVirtPkg/ArmVirtQemu.dsc
@@ -293,15 +293,10 @@
   #
   # TPM2 support
   #
-!if $(TPM2_ENABLE) == TRUE
   gEfiSecurityPkgTokenSpaceGuid.PcdTpmBaseAddress|0x0
+!if $(TPM2_ENABLE) == TRUE
   gEfiSecurityPkgTokenSpaceGuid.PcdTpmInstanceGuid|{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}
   gEfiSecurityPkgTokenSpaceGuid.PcdTpm2HashMask|0
-!else
-[PcdsPatchableInModule]
-  # make this PCD patchable instead of dynamic when TPM support is not enabled
-  # this permits setting the PCD in unreachable code without pulling in dynamic PCD support
-  gEfiSecurityPkgTokenSpaceGuid.PcdTpmBaseAddress|0x0
 !endif
 
 [PcdsDynamicHii]
@@ -314,13 +309,6 @@
 
   gEfiMdePkgTokenSpaceGuid.PcdPlatformBootTimeOut|L"Timeout"|gEfiGlobalVariableGuid|0x0|5
 
-[LibraryClasses.common.PEI_CORE, LibraryClasses.common.PEIM]
-!if $(TPM2_ENABLE) == TRUE
-  PcdLib|MdePkg/Library/PeiPcdLib/PeiPcdLib.inf
-!else
-  PcdLib|MdePkg/Library/BasePcdLibNull/BasePcdLibNull.inf
-!endif
-
 ################################################################################
 #
 # Components Section - list of all EDK II Modules needed by this Platform
@@ -332,6 +320,10 @@
   #
   ArmPlatformPkg/PrePeiCore/PrePeiCoreUniCore.inf
   MdeModulePkg/Core/Pei/PeiMain.inf
+  MdeModulePkg/Universal/PCD/Pei/Pcd.inf {
+    <LibraryClasses>
+      PcdLib|MdePkg/Library/BasePcdLibNull/BasePcdLibNull.inf
+  }
   ArmPlatformPkg/PlatformPei/PlatformPeim.inf
   ArmVirtPkg/MemoryInitPei/MemoryInitPeim.inf {
     <LibraryClasses>
@@ -342,10 +334,6 @@
   ArmPkg/Drivers/CpuPei/CpuPei.inf
 
 !if $(TPM2_ENABLE) == TRUE
-  MdeModulePkg/Universal/PCD/Pei/Pcd.inf {
-    <LibraryClasses>
-      PcdLib|MdePkg/Library/BasePcdLibNull/BasePcdLibNull.inf
-  }
   MdeModulePkg/Universal/ResetSystemPei/ResetSystemPei.inf {
     <LibraryClasses>
       ResetSystemLib|ArmVirtPkg/Library/ArmVirtPsciResetSystemPeiLib/ArmVirtPsciResetSystemPeiLib.inf
diff --git a/ArmVirtPkg/ArmVirtQemu.fdf b/ArmVirtPkg/ArmVirtQemu.fdf
index 764f652afd..c85e36b185 100644
--- a/ArmVirtPkg/ArmVirtQemu.fdf
+++ b/ArmVirtPkg/ArmVirtQemu.fdf
@@ -109,10 +109,10 @@ READ_LOCK_STATUS   = TRUE
   INF ArmPlatformPkg/PlatformPei/PlatformPeim.inf
   INF ArmVirtPkg/MemoryInitPei/MemoryInitPeim.inf
   INF ArmPkg/Drivers/CpuPei/CpuPei.inf
+  INF MdeModulePkg/Universal/PCD/Pei/Pcd.inf
   INF MdeModulePkg/Core/DxeIplPeim/DxeIpl.inf
 
 !if $(TPM2_ENABLE) == TRUE
-  INF MdeModulePkg/Universal/PCD/Pei/Pcd.inf
   INF MdeModulePkg/Universal/ResetSystemPei/ResetSystemPei.inf
   INF OvmfPkg/Tcg/Tcg2Config/Tcg2ConfigPei.inf
   INF SecurityPkg/Tcg/Tcg2Pei/Tcg2Pei.inf