--- /dev/null
+/** @file\r
+ Variable worker functions.\r
+\r
+ Copyright (c) 2006, Intel Corporation<BR>\r
+ All rights reserved. This program and the accompanying materials\r
+ are licensed and made available under the terms and conditions of the BSD License\r
+ which accompanies this distribution. The full text of the license may be found at\r
+ http://opensource.org/licenses/bsd-license.php\r
+\r
+ THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
+ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
+\r
+**/\r
+\r
+#include <Variable.h>\r
+\r
+\r
+/**\r
+ Get one variable by the index count.\r
+\r
+ @param IndexTable The pointer to variable index table.\r
+ @param Count The index count of variable in index table.\r
+\r
+ @return The pointer to variable header indexed by count.\r
+\r
+**/\r
+VARIABLE_HEADER *\r
+GetVariableByIndex (\r
+ IN VARIABLE_INDEX_TABLE *IndexTable,\r
+ IN UINT32 Count\r
+ )\r
+{\r
+ return (VARIABLE_HEADER *) (UINTN) ((((UINT32)IndexTable->Index[Count]) << 2) + ((UINT32)(UINTN)IndexTable->StartPtr & 0xFFFC0000) );\r
+}\r
+\r
+/**\r
+ Record Variable in VariableIndex HOB.\r
+\r
+ Record Variable in VariableIndex HOB and update the length of variable index table.\r
+\r
+ @param IndexTable The pointer to variable index table.\r
+ @param Variable The pointer to the variable that will be recorded.\r
+\r
+ @retval VOID\r
+\r
+**/\r
+VOID\r
+VariableIndexTableUpdate (\r
+ IN OUT VARIABLE_INDEX_TABLE *IndexTable,\r
+ IN VARIABLE_HEADER *Variable\r
+ )\r
+{\r
+ IndexTable->Index[IndexTable->Length++] = (UINT16) (((UINT32)(UINTN) Variable) >> 2);\r
+\r
+ return;\r
+}\r
+\r