EdkModulePkg/Universal/Variable/Pei/VariableWorker.c

   1 /*++
   2
   3 Copyright (c) 2007, Intel Corporation
   4 All rights reserved. This program and the accompanying materials
   5 are licensed and made available under the terms and conditions of the BSD License
   6 which accompanies this distribution.  The full text of the license may be found at
   7 http://opensource.org/licenses/bsd-license.php
   8
   9 THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
  10 WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
  11
  12 Module Name:
  13
  14   VariableWorker.c
  15
  16 Abstract:
  17
  18   Framework PEIM to provide the Variable functionality
  19
  20 --*/
  21
  22 #include <Variable.h>
  23
  24
  25 VARIABLE_HEADER *
  26 GetVariableByIndex (
  27   IN VARIABLE_INDEX_TABLE        *IndexTable,
  28   IN UINT32                      Count
  29   )
  30 {
  31   return (VARIABLE_HEADER *) (UINTN) (IndexTable->Index[Count] + ((UINTN) IndexTable->StartPtr & 0xFFFF0000));
  32 }
  33
  34 VOID
  35 VariableIndexTableUpdate (
  36   IN OUT  VARIABLE_INDEX_TABLE   *IndexTable,
  37   IN      VARIABLE_HEADER        *Variable
  38   )
  39 {
  40   IndexTable->Index[IndexTable->Length++] = (UINT16) (UINTN) Variable;
  41
  42   return;
  43 }
  44