2 files changed, 16 insertions, 19 deletions
diff --git a/ArmPlatformPkg/Library/PrePiHobListPointerLib/PrePiHobListPointer.c b/ArmPlatformPkg/Library/PrePiHobListPointerLib/PrePiHobListPointer.c
index dfcc27e..a18a02a 100755
--- a/ArmPlatformPkg/Library/PrePiHobListPointerLib/PrePiHobListPointer.c
+++ b/ArmPlatformPkg/Library/PrePiHobListPointerLib/PrePiHobListPointer.c
@@ -17,14 +17,6 @@
 #include <Library/DebugLib.h>
 #include <Library/PcdLib.h>
 
-//
-// Have to use build system to set the original value in case we are running
-// from FLASH and globals don't work. So if you do a GetHobList() and gHobList
-// and gHobList is NULL the PCD default values are used.
-//
-VOID *gHobList = NULL;
-
-
 /**
   Returns the pointer to the HOB list.
 
@@ -39,11 +31,10 @@ PrePeiGetHobList (
   VOID
   )
 {
-  if (gHobList == NULL) {
-    return (VOID *)*(UINTN*)(PcdGet32 (PcdCPUCoresNonSecStackBase) + (PcdGet32 (PcdCPUCoresNonSecStackSize) / 2) - PcdGet32 (PcdHobListPtrGlobalOffset));
-  } else {
-    return gHobList;
-  }
+  return (VOID *)*(UINTN*)(PcdGet32 (PcdCPUCoresNonSecStackBase) +
+                           PcdGet32 (PcdCPUCoresNonSecStackSize) -
+                           PcdGet32 (PcdPeiGlobalVariableSize) +
+                           PcdGet32 (PcdHobListPtrGlobalOffset));
 }
 
 
@@ -60,10 +51,15 @@ PrePeiSetHobList (
   IN  VOID      *HobList
   )
 {
-  gHobList = HobList;
-  
-  //
-  // If this code is running from ROM this could fail
-  //
-  return (gHobList == HobList) ? EFI_SUCCESS: EFI_UNSUPPORTED;
+  UINTN* HobListPtr;
+
+  HobListPtr = (UINTN*)(PcdGet32 (PcdCPUCoresNonSecStackBase) +
+                        PcdGet32 (PcdCPUCoresNonSecStackSize) -
+                        PcdGet32 (PcdPeiGlobalVariableSize) +
+                        PcdGet32 (PcdHobListPtrGlobalOffset));
+
+  *HobListPtr = (UINTN)HobList;
+
+  return EFI_SUCCESS;
 }
+
diff --git a/ArmPlatformPkg/Library/PrePiHobListPointerLib/PrePiHobListPointerLib.inf b/ArmPlatformPkg/Library/PrePiHobListPointerLib/PrePiHobListPointerLib.inf
index 5142f19..c1fa999 100755
--- a/ArmPlatformPkg/Library/PrePiHobListPointerLib/PrePiHobListPointerLib.inf
+++ b/ArmPlatformPkg/Library/PrePiHobListPointerLib/PrePiHobListPointerLib.inf
@@ -34,4 +34,5 @@
   gArmPlatformTokenSpaceGuid.PcdHobListPtrGlobalOffset
   gArmPlatformTokenSpaceGuid.PcdCPUCoresNonSecStackBase
   gArmPlatformTokenSpaceGuid.PcdCPUCoresNonSecStackSize
+  gArmPlatformTokenSpaceGuid.PcdPeiGlobalVariableSize
   
 \ No newline at end of file