2 Guid for Pcd DataBase Signature.
4 Copyright (c) 2012 - 2018, Intel Corporation. All rights reserved.<BR>
5 This program and the accompanying materials are licensed and made available under
6 the terms and conditions of the BSD License that accompanies this distribution.
7 The full text of the license may be found at
8 http://opensource.org/licenses/bsd-license.php.
10 THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
11 WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
15 #ifndef _PCD_DATABASE_SIGNATURE_GUID_H_
16 #define _PCD_DATABASE_SIGNATURE_GUID_H_
18 #define PCD_DATA_BASE_SIGNATURE_GUID \
19 { 0x3c7d193c, 0x682c, 0x4c14, { 0xa6, 0x8f, 0x55, 0x2d, 0xea, 0x4f, 0x43, 0x7e } }
21 extern EFI_GUID gPcdDataBaseSignatureGuid
;
26 typedef UINT64 SKU_ID
;
28 #define PCD_TYPE_SHIFT 28
30 #define PCD_TYPE_DATA (0x0U << PCD_TYPE_SHIFT)
31 #define PCD_TYPE_HII (0x8U << PCD_TYPE_SHIFT)
32 #define PCD_TYPE_VPD (0x4U << PCD_TYPE_SHIFT)
33 #define PCD_TYPE_STRING (0x1U << PCD_TYPE_SHIFT)
35 #define PCD_TYPE_ALL_SET (PCD_TYPE_DATA | PCD_TYPE_HII | PCD_TYPE_VPD | PCD_TYPE_STRING)
37 #define PCD_DATUM_TYPE_SHIFT 24
39 #define PCD_DATUM_TYPE_POINTER (0x0U << PCD_DATUM_TYPE_SHIFT)
40 #define PCD_DATUM_TYPE_UINT8 (0x1U << PCD_DATUM_TYPE_SHIFT)
41 #define PCD_DATUM_TYPE_UINT16 (0x2U << PCD_DATUM_TYPE_SHIFT)
42 #define PCD_DATUM_TYPE_UINT32 (0x4U << PCD_DATUM_TYPE_SHIFT)
43 #define PCD_DATUM_TYPE_UINT64 (0x8U << PCD_DATUM_TYPE_SHIFT)
45 #define PCD_DATUM_TYPE_ALL_SET (PCD_DATUM_TYPE_POINTER | \
46 PCD_DATUM_TYPE_UINT8 | \
47 PCD_DATUM_TYPE_UINT16 | \
48 PCD_DATUM_TYPE_UINT32 | \
49 PCD_DATUM_TYPE_UINT64)
51 #define PCD_DATUM_TYPE_SHIFT2 20
53 #define PCD_DATUM_TYPE_UINT8_BOOLEAN (0x1U << PCD_DATUM_TYPE_SHIFT2)
55 #define PCD_DATABASE_OFFSET_MASK (~(PCD_TYPE_ALL_SET | PCD_DATUM_TYPE_ALL_SET | PCD_DATUM_TYPE_UINT8_BOOLEAN))
59 UINT16 TokenNumber
; // Token Number for Dynamic-Ex PCD.
60 UINT16 ExGuidIndex
; // Index of GuidTable in units of GUID.
64 UINT32 StringIndex
; // Offset in String Table in units of UINT8.
65 UINT32 DefaultValueOffset
; // Offset of the Default Value.
66 UINT16 GuidTableIndex
; // Offset in Guid Table in units of GUID.
67 UINT16 Offset
; // Offset in Variable.
68 UINT32 Attributes
; // Variable attributes.
69 UINT16 Property
; // Variable property.
77 typedef UINT32 STRING_HEAD
;
79 typedef UINT16 SIZE_INFO
;
82 UINT32 TokenSpaceCNameIndex
; // Offset in String Table in units of UINT8.
83 UINT32 PcdCNameIndex
; // Offset in String Table in units of UINT8.
86 typedef UINT32 TABLE_OFFSET
;
89 GUID Signature
; // PcdDataBaseGuid.
91 UINT32 Length
; // Length of DEFAULT SKU PCD DB
92 SKU_ID SystemSkuId
; // Current SkuId value.
93 UINT32 LengthForAllSkus
; // Length of all SKU PCD DB
94 UINT32 UninitDataBaseSize
; // Total size for PCD those default value with 0.
95 TABLE_OFFSET LocalTokenNumberTableOffset
;
96 TABLE_OFFSET ExMapTableOffset
;
97 TABLE_OFFSET GuidTableOffset
;
98 TABLE_OFFSET StringTableOffset
;
99 TABLE_OFFSET SizeTableOffset
;
100 TABLE_OFFSET SkuIdTableOffset
;
101 TABLE_OFFSET PcdNameTableOffset
;
102 UINT16 LocalTokenCount
; // LOCAL_TOKEN_NUMBER for all.
103 UINT16 ExTokenCount
; // EX_TOKEN_NUMBER for DynamicEx.
104 UINT16 GuidTableCount
; // The Number of Guid in GuidTable.
105 UINT8 Pad
[6]; // Pad bytes to satisfy the alignment.
108 // Default initialized external PCD database binary structure
110 // Padding is needed to keep necessary alignment
112 //SKU_ID SkuIdTable[]; // SkuIds system supports.
113 //UINT64 ValueUint64[];
114 //UINT32 ValueUint32[];
115 //VPD_HEAD VpdHead[]; // VPD Offset
116 //DYNAMICEX_MAPPING ExMapTable[]; // DynamicEx PCD mapped to LocalIndex in LocalTokenNumberTable. It can be accessed by the ExMapTableOffset.
117 //UINT32 LocalTokenNumberTable[]; // Offset | DataType | PCD Type. It can be accessed by LocalTokenNumberTableOffset.
118 //GUID GuidTable[]; // GUID for DynamicEx and HII PCD variable Guid. It can be accessed by the GuidTableOffset.
119 //STRING_HEAD StringHead[]; // String PCD
120 //PCD_NAME_INDEX PcdNameTable[]; // PCD name index info. It can be accessed by the PcdNameTableOffset.
121 //VARIABLE_HEAD VariableHead[]; // HII PCD
122 //UINT8 StringTable[]; // String for String PCD value and HII PCD Variable Name. It can be accessed by StringTableOffset.
123 //SIZE_INFO SizeTable[]; // MaxSize and CurSize for String PCD. It can be accessed by SizeTableOffset.
124 //UINT16 ValueUint16[];
125 //UINT8 ValueUint8[];
126 //BOOLEAN ValueBoolean[];
131 // PEI and DXE Pcd driver use the same PCD database
133 typedef PCD_DATABASE_INIT PEI_PCD_DATABASE
;
134 typedef PCD_DATABASE_INIT DXE_PCD_DATABASE
;
138 PEI_PCD_DATABASE
*PeiDb
;
139 DXE_PCD_DATABASE
*DxeDb
;
155 // Full size, it must be at 8 byte alignment.
159 // HeaderSize includes HeaderSize fields and DefaultInfo arrays
163 // DefaultInfo arrays those have the same default setting.
165 PCD_DEFAULT_INFO DefaultInfo
[1];
167 // Default data is stored as variable storage or the array of DATA_DELTA.
171 #define PCD_NV_STORE_DEFAULT_BUFFER_SIGNATURE SIGNATURE_32('N', 'S', 'D', 'B')
175 // PCD_NV_STORE_DEFAULT_BUFFER_SIGNATURE
179 // Length of the taken default buffer
183 // Length of the total reserved buffer
187 // Reserved for 8 byte alignment
190 // one or more PCD_DEFAULT_DATA
191 } PCD_NV_STORE_DEFAULT_BUFFER_HEADER
;
194 // NvStoreDefaultValueBuffer layout:
195 // +-------------------------------------+
196 // | PCD_NV_STORE_DEFAULT_BUFFER_HEADER |
197 // +-------------------------------------+
198 // | PCD_DEFAULT_DATA (DEFAULT, Standard)|
199 // +-------------------------------------+
200 // | PCD_DATA_DELTA (DEFAULT, Standard)|
201 // +-------------------------------------+
203 // +-------------------------------------+
204 // | PCD_DEFAULT_DATA (SKU A, Standard) |
205 // +-------------------------------------+
206 // | PCD_DATA_DELTA (SKU A, Standard) |
207 // +-------------------------------------+
209 // +-------------------------------------+
215 SKU_ID SkuIdCompared
;
217 // PCD_DATA_DELTA DeltaData[]
218 } PCD_DATABASE_SKU_DELTA
;
221 // PCD database layout:
222 // +---------------------------------+
223 // | PCD_DATABASE_INIT (DEFAULT SKU) |
224 // +---------------------------------+
225 // | PCD_DATABASE_SKU_DELTA (SKU A) |
226 // +---------------------------------+
227 // | PCD_DATABASE_SKU_DELTA (SKU B) |
228 // +---------------------------------+
230 // +---------------------------------+