1 files changed, 37 insertions, 5 deletions
diff --git a/MdePkg/Include/Library/PeiCoreEntryPoint.h b/MdePkg/Include/Library/PeiCoreEntryPoint.h
index 1d29b118d1..58b625590e 100644
--- a/MdePkg/Include/Library/PeiCoreEntryPoint.h
+++ b/MdePkg/Include/Library/PeiCoreEntryPoint.h
@@ -49,7 +49,24 @@ _ModuleEntryPoint(
 /**
   Wrapper of enrty point to PEI core.
 
-  @param  PeiStartupDescriptor Pointer of start up information.
+  @param SecCoreData    Points to a data structure containing
+                        information about the PEI core's
+                        operating environment, such as the size
+                        and location of temporary RAM, the stack
+                        location and the BFV location. The type
+                        EFI_SEC_PEI_HAND_OFF is
+
+  @param PpiList        Points to a list of one or more PPI
+                        descriptors to be installed initially by
+                        the PEI core. An empty PPI list consists
+                        of a single descriptor with the end-tag
+                        EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST.
+                        As part of its initialization phase, the
+                        PEI Foundation will add these SEC-hosted
+                        PPIs to its PPI database such that both
+                        the PEI Foundation and any modules can
+                        leverage the associated service calls
+                        and/or code in these early PPIs.
  
   @return Status returned by entry points of core and drivers. 
 
@@ -79,11 +96,26 @@ ProcessLibraryConstructorList (
 /**
   Call the list of driver entry points. Automatics Generated by tool.
 
-  @param  PeiStartupDescriptor  Pointer to startup information .
-  @param  OldCoreData           Pointer to Original startup information.
+  @param SecCoreData    Points to a data structure containing
+                        information about the PEI core's
+                        operating environment, such as the size
+                        and location of temporary RAM, the stack
+                        location and the BFV location. The type
+                        EFI_SEC_PEI_HAND_OFF is
+
+  @param PpiList        Points to a list of one or more PPI
+                        descriptors to be installed initially by
+                        the PEI core. An empty PPI list consists
+                        of a single descriptor with the end-tag
+                        EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST.
+                        As part of its initialization phase, the
+                        PEI Foundation will add these SEC-hosted
+                        PPIs to its PPI database such that both
+                        the PEI Foundation and any modules can
+                        leverage the associated service calls
+                        and/or code in these early PPIs.
+  @param  OldCoreData   Pointer to Original startup information.
 
-  @return Status returned by entry points of drivers.  
- 
 **/
 VOID
 EFIAPI