Finish spliting SecDispatchTableLib into two functions so it can be a BaseLib

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@10895 6f19259b-4bc3-4df7-8a09-765794883524

UnixPkg/Include/Library/SecDispatchTableLib.h

@@ -17,21 +17,40 @@ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
 #ifndef __SEC_DISPATCH_TABLE_LIB_H__
 #define __SEC_DISPATCH_TABLE_LIB_H__
 
+
 /**
-  Allow an override of the Sec PPI Dispatch Table. This table contains PPIs passed
+  Return the number of bytes that OverrideDispatchTable() will append to
-  up from SEC to PEI. This function is responcible for allocating space for the 
+  the dispatch table.
-  overridden table.
 
-
+  @return  Size of table in bytes OverrideDispatchTable() will return
-  @param  OriginalTable  SECs default PPI dispatch table
-
-  @return OriginalTable or override of the table
 
 **/
-EFI_PEI_PPI_DESCRIPTOR *
+UINTN
+EFIAPI
+OverrideDispatchTableExtraSize (
+  VOID
+  );
+  
+
+/**
+  Allow an override of the Sec PPI Dispatch Table. This table contains PPIs passed
+  up from SEC to PEI. 
+
+  @param  OriginalTable         SECs default PPI dispatch table
+  @param  OriginalTableSize     Size of SECs default PPI dispatch table
+  @param  NewTable              New dispatch table
+  @param  NewTableSize          Size of of the NewTable in bytes
+
+  @return EFI_SUCCESS table was copied
+
+**/
+EFI_STATUS
 EFIAPI
 OverrideDispatchTable (
-  IN  CONST EFI_PEI_PPI_DESCRIPTOR  *OriginalTable
+  IN CONST EFI_PEI_PPI_DESCRIPTOR          *OriginalTable,
+  IN       UINTN                           OriginalTableSize,
+  IN OUT   EFI_PEI_PPI_DESCRIPTOR          *NewTable,
+  IN       UINTN                           NewTableSize
   );
 
 

UnixPkg/Include/Protocol/UnixThunk.h

@@ -373,13 +373,13 @@ typedef struct _EFI_UNIX_THUNK_PROTOCOL {
   UnixGetTimeZone                     GetTimeZone;
   UnixGetDayLight                     GetDayLight;
   UnixPoll	                          Poll;
-  UnixRead                           Read;
+  UnixRead                            Read;
-  UnixWrite                          Write;
+  UnixWrite                           Write;
-  UnixGetenv                         Getenv;
+  UnixGetenv                          Getenv;
-  UnixOpen                           Open;
+  UnixOpen                            Open;
-  UnixSeek                           Lseek;
+  UnixSeek                            Lseek;
-  UnixFtruncate                      FTruncate;
+  UnixFtruncate                       FTruncate;
-  UnixClose                          Close;
+  UnixClose                           Close;
   UnixMkdir                           MkDir;
   UnixRmDir                           RmDir;
   UnixUnLink                          UnLink;

UnixPkg/Library/SecDispatchTableLib/SecDispatchTableLib.c

@@ -14,23 +14,48 @@ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
 --*/
 
 #include <PiPei.h>
+#include <Library/BaseMemoryLib.h>
+#include <Library/SecDispatchTableLib.h>
+
+
+/**
+  Return the number of bytes that OverrideDispatchTable() will append to
+  the dispatch table.
+
+  @return  Size of table in bytes OverrideDispatchTable() will return
+
+**/
+UINTN
+EFIAPI
+OverrideDispatchTableExtraSize (
+  )
+{
+  return 0;
+}
+
 
 /**
   Allow an override of the Sec PPI Dispatch Table. This table contains PPIs passed
-  up from SEC to PEI. This function is responcible for allocating space for the 
+  up from SEC to PEI. 
-  overridden table.
 
+  @param  OriginalTable         SECs default PPI dispatch table
+  @param  OriginalTableSize     Size of SECs default PPI dispatch table
+  @param  NewTable              New dispatch table
+  @param  NewTableSize          Size of of the NewTable in bytes
 
-  @param  OriginalTable  SECs default PPI dispatch table
+  @return EFI_SUCCESS table was copied
-
-  @return OriginalTable or override of the table
 
 **/
-EFI_PEI_PPI_DESCRIPTOR *
+EFI_STATUS
 EFIAPI
 OverrideDispatchTable (
-  IN CONST EFI_PEI_PPI_DESCRIPTOR          *OriginalTable
+  IN CONST EFI_PEI_PPI_DESCRIPTOR          *OriginalTable,
+  IN       UINTN                           OriginalTableSize,
+  IN OUT   EFI_PEI_PPI_DESCRIPTOR          *NewTable,
+  IN       UINTN                           NewTableSize
   )
 {
-  return (EFI_PEI_PPI_DESCRIPTOR *)OriginalTable;
+  CopyMem (NewTable, OriginalTable, OriginalTableSize);
+
+  return EFI_SUCCESS;
 }

UnixPkg/Library/SecDispatchTableLib/SecDispatchTableLib.inf

@@ -38,5 +38,6 @@
 
 [LibraryClasses]
   BaseLib
+  BaseMemoryLib
 
 

UnixPkg/Sec/SecMain.c

@@ -544,6 +544,7 @@ Returns:
   EFI_SEC_PEI_HAND_OFF        *SecCoreData;
   UINTN                       PeiStackSize;
   EFI_PEI_PPI_DESCRIPTOR      *DispatchTable;
+  UINTN                       DispatchTableSize;
 
   //
   // Compute Top Of Memory for Stack and PEI Core Allocations
@@ -597,11 +598,19 @@ Returns:
     return ;
   }
   
+  DispatchTableSize = sizeof (gPrivateDispatchTable);
+  DispatchTableSize += OverrideDispatchTableExtraSize ();
+  
+  DispatchTable = malloc (DispatchTableSize);
+  if (DispatchTable == NULL) {
+    return;
+  }
+  
   //
   // Allow an override for extra PPIs to be passed up to PEI
   // This is an easy way to enable OS specific customizations
   //
-  DispatchTable = OverrideDispatchTable (&gPrivateDispatchTable[0]);
+  OverrideDispatchTable (&gPrivateDispatchTable[0], sizeof (gPrivateDispatchTable), DispatchTable, DispatchTableSize);
   
   //
   // Transfer control to the PEI Core

UnixPkg/UnixPkg.dsc

@@ -223,7 +223,7 @@
 #       generated for it, but the binary will not be put into any firmware volume.
 #
 ###################################################################################################
-[Components.common]
+[Components]
   ##
   #  SEC Phase modules
   ##