X-Git-Url: https://git.proxmox.com/?p=mirror_edk2.git;a=blobdiff_plain;f=MdeModulePkg%2FUniversal%2FVariablePei%2FIpf%2FVariableWorker.c;fp=MdeModulePkg%2FUniversal%2FVariablePei%2FIpf%2FVariableWorker.c;h=912aab11824f77c88155aee5637894f3429c8366;hp=0000000000000000000000000000000000000000;hb=7ff7768df2a624b75c928aa5b3db8f847ed61429;hpb=de4c8a308017f1e55326887251a13a5b80162631

diff --git a/MdeModulePkg/Universal/VariablePei/Ipf/VariableWorker.c b/MdeModulePkg/Universal/VariablePei/Ipf/VariableWorker.c
new file mode 100644
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+++ b/MdeModulePkg/Universal/VariablePei/Ipf/VariableWorker.c
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+/** @file
+  Variable worker functions.
+
+  Copyright (c) 2006, Intel Corporation<BR>
+  All rights reserved. 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.
+
+**/
+//
+// The package level header files this module uses
+//
+#include <PiPei.h>
+
+//
+// The protocols, PPI and GUID defintions for this module
+//
+#include <Ppi/ReadOnlyVariable.h>
+//
+// The Library classes this module consumes
+//
+#include <Library/DebugLib.h>
+#include <Library/PeimEntryPoint.h>
+#include <Library/HobLib.h>
+#include <Library/PcdLib.h>
+#include <Library/BaseMemoryLib.h>
+
+#include <Variable.h>
+
+
+/**
+  Get one variable by the index count.
+
+  @param  IndexTable  The pointer to variable index table.
+  @param  Count       The index count of variable in index table.
+
+  @return The pointer to variable header indexed by count.
+
+**/
+VARIABLE_HEADER *
+GetVariableByIndex (
+  IN VARIABLE_INDEX_TABLE        *IndexTable,
+  IN UINT32                      Count
+  )
+{
+  return (VARIABLE_HEADER *) (UINTN) ((((UINT32)IndexTable->Index[Count]) << 2) + ((UINT32)(UINTN)IndexTable->StartPtr & 0xFFFC0000) );
+}
+
+/**
+  Record Variable in VariableIndex HOB.
+
+  Record Variable in VariableIndex HOB and update the length of variable index table.
+
+  @param  IndexTable  The pointer to variable index table.
+  @param  Variable    The pointer to the variable that will be recorded.
+
+  @retval VOID
+
+**/
+VOID
+VariableIndexTableUpdate (
+  IN OUT  VARIABLE_INDEX_TABLE   *IndexTable,
+  IN      VARIABLE_HEADER        *Variable
+  )
+{
+  IndexTable->Index[IndexTable->Length++] = (UINT16) (((UINT32)(UINTN) Variable) >> 2);
+
+  return;
+}
+