X-Git-Url: https://git.proxmox.com/?p=mirror_edk2.git;a=blobdiff_plain;f=MdeModulePkg%2FUniversal%2FVariablePei%2FVariable.h;fp=MdeModulePkg%2FUniversal%2FVariablePei%2FVariable.h;h=5cebff818c0d1bfaff41ac8fd86fa9f96b7e04cb;hp=0000000000000000000000000000000000000000;hb=7ff7768df2a624b75c928aa5b3db8f847ed61429;hpb=de4c8a308017f1e55326887251a13a5b80162631

diff --git a/MdeModulePkg/Universal/VariablePei/Variable.h b/MdeModulePkg/Universal/VariablePei/Variable.h
new file mode 100644
index 0000000000..5cebff818c
--- /dev/null
+++ b/MdeModulePkg/Universal/VariablePei/Variable.h
@@ -0,0 +1,184 @@
+/*++
+
+Copyright (c) 2006 - 2007, Intel Corporation
+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.
+
+Module Name:
+
+  Variable.h
+
+Abstract:
+
+  Tiano PEIM to provide the variable functionality
+
+--*/
+
+#ifndef _PEI_VARIABLE_H
+#define _PEI_VARIABLE_H
+
+//
+// BugBug: We need relcate the head file.
+//
+#include <Common/Variable.h>
+#include <VarMachine.h>
+
+//
+// Define GET_PAD_SIZE to optimize compiler
+//
+#if ((ALIGNMENT == 0) || (ALIGNMENT == 1))
+#define GET_PAD_SIZE(a) (0)
+#else
+#define GET_PAD_SIZE(a) (((~a) + 1) & (ALIGNMENT - 1))
+#endif
+
+#define GET_VARIABLE_NAME_PTR(a)  (CHAR16 *) ((UINTN) (a) + sizeof (VARIABLE_HEADER))
+
+#define GET_VARIABLE_DATA_PTR(a) \
+  (UINT8 *) ((UINTN) GET_VARIABLE_NAME_PTR (a) + (a)->NameSize + GET_PAD_SIZE ((a)->NameSize))
+
+typedef struct {
+  VARIABLE_HEADER *CurrPtr;
+  VARIABLE_HEADER *EndPtr;
+  VARIABLE_HEADER *StartPtr;
+} VARIABLE_POINTER_TRACK;
+
+#define VARIABLE_INDEX_TABLE_VOLUME 122
+
+#define EFI_VARIABLE_INDEX_TABLE_GUID \
+  { 0x8cfdb8c8, 0xd6b2, 0x40f3, { 0x8e, 0x97, 0x02, 0x30, 0x7c, 0xc9, 0x8b, 0x7c } }
+
+typedef struct {
+  UINT16          Length;
+  UINT16          GoneThrough;
+  VARIABLE_HEADER *EndPtr;
+  VARIABLE_HEADER *StartPtr;
+  UINT16          Index[VARIABLE_INDEX_TABLE_VOLUME];
+} VARIABLE_INDEX_TABLE;
+
+
+//
+// Functions
+//
+EFI_STATUS
+EFIAPI
+PeimInitializeVariableServices (
+  IN EFI_FFS_FILE_HEADER       *FfsHeader,
+  IN EFI_PEI_SERVICES          **PeiServices
+  )
+/*++
+
+Routine Description:
+
+  TODO: Add function description
+
+Arguments:
+
+  FfsHeader   - TODO: add argument description
+  PeiServices - TODO: add argument description
+
+Returns:
+
+  TODO: add return values
+
+--*/
+;
+
+EFI_STATUS
+EFIAPI
+PeiGetVariable (
+  IN EFI_PEI_SERVICES             **PeiServices,
+  IN CHAR16                       *VariableName,
+  IN EFI_GUID                     * VendorGuid,
+  OUT UINT32                      *Attributes OPTIONAL,
+  IN OUT UINTN                    *DataSize,
+  OUT VOID                        *Data
+  )
+/*++
+
+Routine Description:
+
+  TODO: Add function description
+
+Arguments:
+
+  PeiServices   - TODO: add argument description
+  VariableName  - TODO: add argument description
+  VendorGuid    - TODO: add argument description
+  Attributes    - TODO: add argument description
+  DataSize      - TODO: add argument description
+  Data          - TODO: add argument description
+
+Returns:
+
+  TODO: add return values
+
+--*/
+;
+
+EFI_STATUS
+EFIAPI
+PeiGetNextVariableName (
+  IN EFI_PEI_SERVICES             **PeiServices,
+  IN OUT UINTN                    *VariableNameSize,
+  IN OUT CHAR16                   *VariableName,
+  IN OUT EFI_GUID                 *VendorGuid
+  )
+/*++
+
+Routine Description:
+
+  TODO: Add function description
+
+Arguments:
+
+  PeiServices       - TODO: add argument description
+  VariableNameSize  - TODO: add argument description
+  VariableName      - TODO: add argument description
+  VendorGuid        - TODO: add argument description
+
+Returns:
+
+  TODO: add return values
+
+--*/
+;
+
+/**
+  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
+  );
+
+/**
+  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
+  );
+
+#endif // _PEI_VARIABLE_H