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| author | Bob C Feng <bob.c.feng@intel.com> | 2013-11-18 07:45:49 +0000 |
|---|---|---|
| committer | lzeng14 <lzeng14@6f19259b-4bc3-4df7-8a09-765794883524> | 2013-11-18 07:45:49 +0000 |
| commit | 419db80bef66edff583a0a5f406e801d70f11344 (patch) | |
| tree | 2d3e4e5b918200570bd6ec4b0eccc874b7447410 /MdeModulePkg/Include | |
| parent | e8a47801a1dfdb148b1bfcd5bdc8ebc3bf51f92d (diff) | |
| download | edk2-platforms-419db80bef66edff583a0a5f406e801d70f11344.tar.xz | |
MdePkg and MdeModulePkg Pcd: Implement PCD Driver for External PCD Database and SKU enable Feature.
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Bob C Feng <bob.c.feng@intel.com>
Reviewed-by: Liming Gao <liming.gao@intel.com>
Reviewed-by: Star Zeng <star.zeng@intel.com>
git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@14857 6f19259b-4bc3-4df7-8a09-765794883524
Diffstat (limited to 'MdeModulePkg/Include')
| -rw-r--r-- | MdeModulePkg/Include/Guid/PcdDataBaseSignatureGuid.h | 147 |
1 files changed, 147 insertions, 0 deletions
diff --git a/MdeModulePkg/Include/Guid/PcdDataBaseSignatureGuid.h b/MdeModulePkg/Include/Guid/PcdDataBaseSignatureGuid.h new file mode 100644 index 0000000000..22c0d95f60 --- /dev/null +++ b/MdeModulePkg/Include/Guid/PcdDataBaseSignatureGuid.h @@ -0,0 +1,147 @@ +/** @file
+ Guid for Pcd DataBase Signature.
+
+Copyright (c) 2012 - 2013, Intel Corporation. All rights reserved.<BR>
+This program and the accompanying materials are licensed and made available under
+the terms and conditions of the BSD License that 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.
+
+**/
+
+#ifndef _PCD_DATABASE_SIGNATURE_GUID_H_
+#define _PCD_DATABASE_SIGNATURE_GUID_H_
+
+#define PCD_DATA_BASE_SIGNATURE_GUID \
+{ 0x3c7d193c, 0x682c, 0x4c14, { 0xa6, 0x8f, 0x55, 0x2d, 0xea, 0x4f, 0x43, 0x7e } }
+
+extern EFI_GUID gPcdDataBaseSignatureGuid;
+
+//
+// Common definitions
+//
+typedef UINT8 SKU_ID;
+
+#define PCD_TYPE_SHIFT 28
+
+#define PCD_TYPE_DATA (0x0U << PCD_TYPE_SHIFT)
+#define PCD_TYPE_HII (0x8U << PCD_TYPE_SHIFT)
+#define PCD_TYPE_VPD (0x4U << PCD_TYPE_SHIFT)
+#define PCD_TYPE_SKU_ENABLED (0x2U << PCD_TYPE_SHIFT)
+#define PCD_TYPE_STRING (0x1U << PCD_TYPE_SHIFT)
+
+#define PCD_TYPE_ALL_SET (PCD_TYPE_DATA | PCD_TYPE_HII | PCD_TYPE_VPD | PCD_TYPE_SKU_ENABLED | PCD_TYPE_STRING)
+
+#define PCD_DATUM_TYPE_SHIFT 24
+
+#define PCD_DATUM_TYPE_POINTER (0x0U << PCD_DATUM_TYPE_SHIFT)
+#define PCD_DATUM_TYPE_UINT8 (0x1U << PCD_DATUM_TYPE_SHIFT)
+#define PCD_DATUM_TYPE_UINT16 (0x2U << PCD_DATUM_TYPE_SHIFT)
+#define PCD_DATUM_TYPE_UINT32 (0x4U << PCD_DATUM_TYPE_SHIFT)
+#define PCD_DATUM_TYPE_UINT64 (0x8U << PCD_DATUM_TYPE_SHIFT)
+
+#define PCD_DATUM_TYPE_ALL_SET (PCD_DATUM_TYPE_POINTER | \
+ PCD_DATUM_TYPE_UINT8 | \
+ PCD_DATUM_TYPE_UINT16 | \
+ PCD_DATUM_TYPE_UINT32 | \
+ PCD_DATUM_TYPE_UINT64)
+
+#define PCD_DATUM_TYPE_SHIFT2 20
+
+#define PCD_DATUM_TYPE_UINT8_BOOLEAN (0x1U << PCD_DATUM_TYPE_SHIFT2)
+
+#define PCD_DATABASE_OFFSET_MASK (~(PCD_TYPE_ALL_SET | PCD_DATUM_TYPE_ALL_SET | PCD_DATUM_TYPE_UINT8_BOOLEAN))
+
+typedef struct {
+ UINT32 ExTokenNumber;
+ UINT16 TokenNumber; // Token Number for Dynamic-Ex PCD.
+ UINT16 ExGuidIndex; // Index of GuidTable in units of GUID.
+} DYNAMICEX_MAPPING;
+
+typedef struct {
+ UINT32 SkuDataStartOffset; // Offset(with TYPE info) from the PCD_DB.
+ UINT32 SkuIdTableOffset; // Offset from the PCD_DB.
+} SKU_HEAD;
+
+typedef struct {
+ UINT32 StringIndex; // Offset in String Table in units of UINT8.
+ UINT32 DefaultValueOffset; // Offset of the Default Value.
+ UINT16 GuidTableIndex; // Offset in Guid Table in units of GUID.
+ UINT16 Offset; // Offset in Variable.
+} VARIABLE_HEAD;
+
+typedef struct {
+ UINT32 Offset;
+} VPD_HEAD;
+
+typedef UINT32 STRING_HEAD;
+
+typedef UINT16 SIZE_INFO;
+
+typedef struct {
+ UINT32 TokenSpaceCNameIndex; // Offset in String Table in units of UINT8.
+ UINT32 PcdCNameIndex; // Offset in String Table in units of UINT8.
+} PCD_NAME_INDEX;
+
+typedef UINT32 TABLE_OFFSET;
+
+typedef struct {
+ GUID Signature; // PcdDataBaseGuid.
+ UINT32 BuildVersion;
+ UINT32 Length;
+ UINT32 UninitDataBaseSize; // Total size for PCD those default value with 0.
+ TABLE_OFFSET LocalTokenNumberTableOffset;
+ TABLE_OFFSET ExMapTableOffset;
+ TABLE_OFFSET GuidTableOffset;
+ TABLE_OFFSET StringTableOffset;
+ TABLE_OFFSET SizeTableOffset;
+ TABLE_OFFSET SkuIdTableOffset;
+ TABLE_OFFSET PcdNameTableOffset;
+ UINT16 LocalTokenCount; // LOCAL_TOKEN_NUMBER for all.
+ UINT16 ExTokenCount; // EX_TOKEN_NUMBER for DynamicEx.
+ UINT16 GuidTableCount; // The Number of Guid in GuidTable.
+ SKU_ID SystemSkuId; // Current SkuId value.
+ UINT8 Pad; // Pad bytes to satisfy the alignment.
+
+ //
+ // Default initialized external PCD database binary structure
+ //
+ // Padding is needed to keep necessary alignment
+ //
+ //UINT64 ValueUint64[];
+ //UINT32 ValueUint32[];
+ //VPD_HEAD VpdHead[]; // VPD Offset
+ //DYNAMICEX_MAPPING ExMapTable[]; // DynamicEx PCD mapped to LocalIndex in LocalTokenNumberTable. It can be accessed by the ExMapTableOffset.
+ //UINT32 LocalTokenNumberTable[]; // Offset | DataType | PCD Type. It can be accessed by LocalTokenNumberTableOffset.
+ //GUID GuidTable[]; // GUID for DynamicEx and HII PCD variable Guid. It can be accessed by the GuidTableOffset.
+ //STRING_HEAD StringHead[]; // String PCD
+ //PCD_NAME_INDEX PcdNameTable[]; // PCD name index info. It can be accessed by the PcdNameTableOffset.
+ //VARIABLE_HEAD VariableHead[]; // HII PCD
+ //SKU_HEAD SkuHead[]; // Store SKU info for each PCD with SKU enable.
+ //UINT8 StringTable[]; // String for String PCD value and HII PCD Variable Name. It can be accessed by StringTableOffset.
+ //SIZE_INFO SizeTable[]; // MaxSize and CurSize for String PCD. It can be accessed by SizeTableOffset.
+ //UINT16 ValueUint16[];
+ //UINT8 ValueUint8[];
+ //BOOLEAN ValueBoolean[];
+ //UINT8 SkuIdTable[]; // SkuIds system supports.
+ //UINT8 SkuIndexTable[]; // SkuIds for each PCD with SKU enable.
+
+} PCD_DATABASE_INIT;
+
+//
+// PEI and DXE Pcd driver use the same PCD database
+//
+typedef PCD_DATABASE_INIT PEI_PCD_DATABASE;
+typedef PCD_DATABASE_INIT DXE_PCD_DATABASE;
+
+
+typedef struct {
+ PEI_PCD_DATABASE *PeiDb;
+ DXE_PCD_DATABASE *DxeDb;
+} PCD_DATABASE;
+
+
+#endif
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