IntelFrameworkModulePkg/Library/LzmaCustomDecompressLib/Pei/LzmaPeiMemory.c

   1 /** @file
   2   LZMA Memory Allocation for PEI
   3
   4   AllocatePool does not work for large blocks during PEI, so we must
   5   use AllocatePages.
   6
   7   Copyright (c) 2006 - 2009, Intel Corporation<BR>
   8   All rights reserved. This program and the accompanying materials
   9   are licensed and made available under the terms and conditions of the BSD License
  10   which accompanies this distribution.  The full text of the license may be found at
  11   http://opensource.org/licenses/bsd-license.php
  12
  13   THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
  14   WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
  15
  16 **/
  17
  18 #include <Uefi.h>
  19 #include <Library/DebugLib.h>
  20 #include <Library/MemoryAllocationLib.h>
  21 #include "Sdk/C/Types.h"
  22
  23 STATIC
  24 VOID *
  25 SzAlloc(
  26   void *p,
  27   size_t size
  28   )
  29 {
  30   void *np;
  31   p = p;
  32   if (size > EFI_PAGE_SIZE) {
  33     np = AllocatePages(EFI_SIZE_TO_PAGES(size));
  34   } else {
  35     np = AllocatePool(size);
  36   }
  37   return np;
  38 }
  39
  40 STATIC
  41 VOID
  42 SzFree(
  43   void *p,
  44   void *address
  45   )
  46 {
  47   p = p;
  48   if (address != NULL) {
  49     FreePool(address);
  50   }
  51 }
  52
  53 ISzAlloc g_Alloc = { SzAlloc, SzFree };
  54