EmbeddedPkg: Introduce PrePiMemoryAllocationLib (2)

Forgot the new files ...



git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@11944 6f19259b-4bc3-4df7-8a09-765794883524

EmbeddedPkg/Library/PrePiMemoryAllocationLib/MemoryAllocationLib.c

@@ -13,7 +13,11 @@
 
 **/
 
-#include <PrePi.h>
+#include <PiPei.h>
+
+#include <Library/BaseLib.h>
+#include <Library/PrePiLib.h>
+#include <Library/DebugLib.h>
 
 
 
@@ -62,6 +66,14 @@ AllocatePages (
     // This routine used to create a memory allocation HOB a la PEI, but that's not
     // necessary for us.
 
+    //
+    // Create a memory allocation HOB.
+    //
+    BuildMemoryAllocationHob (
+        Hob.HandoffInformationTable->EfiFreeMemoryTop,
+        Pages * EFI_PAGE_SIZE,
+        EfiBootServicesData
+        );
     return (VOID *)(UINTN)Hob.HandoffInformationTable->EfiFreeMemoryTop;
   }
 }
@@ -156,5 +168,25 @@ AllocatePool (
   }
 }
 
+/**
+  Frees a buffer that was previously allocated with one of the pool allocation functions in the
+  Memory Allocation Library.
 
+  Frees the buffer specified by Buffer.  Buffer must have been allocated on a previous call to the
+  pool allocation services of the Memory Allocation Library.  If it is not possible to free pool
+  resources, then this function will perform no actions.
 
+  If Buffer was not allocated with a pool allocation function in the Memory Allocation Library,
+  then ASSERT().
+
+  @param  Buffer                Pointer to the buffer to free.
+
+**/
+VOID
+EFIAPI
+FreePool (
+  IN VOID   *Buffer
+  )
+{
+  // Not implemented yet
+}

EmbeddedPkg/Library/PrePiMemoryAllocationLib/PrePiMemoryAllocationLib.inf

@@ -0,0 +1,39 @@
+#/** @file
+#  
+#  Copyright (c) 2011, ARM Ltd. All rights reserved.<BR>
+#  This program and the accompanying materials
+#  are licensed and made available under the terms and conditions of the BSD License
+#  which accompanies this distribution.  The full text of the license may be found at
+#  http://opensource.org/licenses/bsd-license.php
+#  
+#  THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+#  WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+#  
+#**/
+
+[Defines]
+  INF_VERSION                    = 0x00010005
+  BASE_NAME                      = PrePiMemoryAllocationLib
+  FILE_GUID                      = 4f14c900-51a9-11e0-afbf-0002a5d5c51b
+  MODULE_TYPE                    = PEIM
+  VERSION_STRING                 = 1.0
+  LIBRARY_CLASS                  = MemoryAllocationLib
+
+
+#
+#  VALID_ARCHITECTURES           = ARM
+#
+
+[Sources]
+  MemoryAllocationLib.c
+
+[Packages]
+  MdePkg/MdePkg.dec
+  EmbeddedPkg/EmbeddedPkg.dec
+
+[LibraryClasses]
+  DebugLib
+  BaseMemoryLib
+  PrePiLib
+  #PeiServicesLib
+