7c73626513
https://bugzilla.tianocore.org/show_bug.cgi?id=546 BaseTools will generate the optimized PCD database to save the image size at build time for multiple SKUs. The optimized PCD database layout will be like below, the PCD database will be composed of the full default SKU data (PCD_DATABASE_INIT) and the non-default SKU delta data(PCD_DATABASE_SKU_DELTA). PCD driver will build HOB to store the full default SKU data, and patch HOB data based on non-default SKU delta data for the SKU set by SetSku(), it can save memory resource at boot time. // // PCD database layout: // +---------------------------------+ // | PCD_DATABASE_INIT (DEFAULT SKU) | // +---------------------------------+ // | PCD_DATABASE_SKU_DELTA (SKU A) | // +---------------------------------+ // | PCD_DATABASE_SKU_DELTA (SKU B) | // +---------------------------------+ // | ...... | // +---------------------------------+ // BaseTools, PCD database and driver updates are needed for this proposal. For single SKU (default) case, this proposal is expected to have no impact. For multi-SKU case, PCD database format will be changed. So, PcdDataBase Version is also updated from 6 to 7. Contributed-under: TianoCore Contribution Agreement 1.1 Signed-off-by: Liming Gao <liming.gao@intel.com> Reviewed-by: Star Zeng <star.zeng@intel.com>
236 lines
8.4 KiB
C
236 lines
8.4 KiB
C
/** @file
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Guid for Pcd DataBase Signature.
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Copyright (c) 2012 - 2016, Intel Corporation. All rights reserved.<BR>
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This program and the accompanying materials are licensed and made available under
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the terms and conditions of the BSD License that accompanies this distribution.
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The full text of the license may be found at
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http://opensource.org/licenses/bsd-license.php.
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THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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**/
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#ifndef _PCD_DATABASE_SIGNATURE_GUID_H_
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#define _PCD_DATABASE_SIGNATURE_GUID_H_
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#define PCD_DATA_BASE_SIGNATURE_GUID \
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{ 0x3c7d193c, 0x682c, 0x4c14, { 0xa6, 0x8f, 0x55, 0x2d, 0xea, 0x4f, 0x43, 0x7e } }
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extern EFI_GUID gPcdDataBaseSignatureGuid;
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//
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// Common definitions
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//
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typedef UINT64 SKU_ID;
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#define PCD_TYPE_SHIFT 28
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#define PCD_TYPE_DATA (0x0U << PCD_TYPE_SHIFT)
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#define PCD_TYPE_HII (0x8U << PCD_TYPE_SHIFT)
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#define PCD_TYPE_VPD (0x4U << PCD_TYPE_SHIFT)
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#define PCD_TYPE_SKU_ENABLED (0x2U << PCD_TYPE_SHIFT)
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#define PCD_TYPE_STRING (0x1U << PCD_TYPE_SHIFT)
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#define PCD_TYPE_ALL_SET (PCD_TYPE_DATA | PCD_TYPE_HII | PCD_TYPE_VPD | PCD_TYPE_SKU_ENABLED | PCD_TYPE_STRING)
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#define PCD_DATUM_TYPE_SHIFT 24
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#define PCD_DATUM_TYPE_POINTER (0x0U << PCD_DATUM_TYPE_SHIFT)
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#define PCD_DATUM_TYPE_UINT8 (0x1U << PCD_DATUM_TYPE_SHIFT)
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#define PCD_DATUM_TYPE_UINT16 (0x2U << PCD_DATUM_TYPE_SHIFT)
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#define PCD_DATUM_TYPE_UINT32 (0x4U << PCD_DATUM_TYPE_SHIFT)
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#define PCD_DATUM_TYPE_UINT64 (0x8U << PCD_DATUM_TYPE_SHIFT)
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#define PCD_DATUM_TYPE_ALL_SET (PCD_DATUM_TYPE_POINTER | \
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PCD_DATUM_TYPE_UINT8 | \
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PCD_DATUM_TYPE_UINT16 | \
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PCD_DATUM_TYPE_UINT32 | \
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PCD_DATUM_TYPE_UINT64)
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#define PCD_DATUM_TYPE_SHIFT2 20
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#define PCD_DATUM_TYPE_UINT8_BOOLEAN (0x1U << PCD_DATUM_TYPE_SHIFT2)
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#define PCD_DATABASE_OFFSET_MASK (~(PCD_TYPE_ALL_SET | PCD_DATUM_TYPE_ALL_SET | PCD_DATUM_TYPE_UINT8_BOOLEAN))
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typedef struct {
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UINT32 ExTokenNumber;
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UINT16 TokenNumber; // Token Number for Dynamic-Ex PCD.
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UINT16 ExGuidIndex; // Index of GuidTable in units of GUID.
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} DYNAMICEX_MAPPING;
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typedef struct {
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UINT32 StringIndex; // Offset in String Table in units of UINT8.
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UINT32 DefaultValueOffset; // Offset of the Default Value.
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UINT16 GuidTableIndex; // Offset in Guid Table in units of GUID.
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UINT16 Offset; // Offset in Variable.
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UINT32 Attributes; // Variable attributes.
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UINT16 Property; // Variable property.
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UINT16 Reserved;
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} VARIABLE_HEAD;
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typedef struct {
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UINT32 Offset;
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} VPD_HEAD;
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typedef UINT32 STRING_HEAD;
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typedef UINT16 SIZE_INFO;
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typedef struct {
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UINT32 TokenSpaceCNameIndex; // Offset in String Table in units of UINT8.
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UINT32 PcdCNameIndex; // Offset in String Table in units of UINT8.
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} PCD_NAME_INDEX;
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typedef UINT32 TABLE_OFFSET;
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typedef struct {
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GUID Signature; // PcdDataBaseGuid.
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UINT32 BuildVersion;
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UINT32 Length; // Length of DEFAULT SKU PCD DB
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SKU_ID SystemSkuId; // Current SkuId value.
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UINT32 LengthForAllSkus; // Length of all SKU PCD DB
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UINT32 UninitDataBaseSize; // Total size for PCD those default value with 0.
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TABLE_OFFSET LocalTokenNumberTableOffset;
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TABLE_OFFSET ExMapTableOffset;
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TABLE_OFFSET GuidTableOffset;
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TABLE_OFFSET StringTableOffset;
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TABLE_OFFSET SizeTableOffset;
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TABLE_OFFSET SkuIdTableOffset;
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TABLE_OFFSET PcdNameTableOffset;
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UINT16 LocalTokenCount; // LOCAL_TOKEN_NUMBER for all.
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UINT16 ExTokenCount; // EX_TOKEN_NUMBER for DynamicEx.
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UINT16 GuidTableCount; // The Number of Guid in GuidTable.
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UINT8 Pad[6]; // Pad bytes to satisfy the alignment.
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//
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// Default initialized external PCD database binary structure
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//
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// Padding is needed to keep necessary alignment
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//
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//SKU_ID SkuIdTable[]; // SkuIds system supports.
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//UINT64 ValueUint64[];
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//UINT32 ValueUint32[];
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//VPD_HEAD VpdHead[]; // VPD Offset
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//DYNAMICEX_MAPPING ExMapTable[]; // DynamicEx PCD mapped to LocalIndex in LocalTokenNumberTable. It can be accessed by the ExMapTableOffset.
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//UINT32 LocalTokenNumberTable[]; // Offset | DataType | PCD Type. It can be accessed by LocalTokenNumberTableOffset.
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//GUID GuidTable[]; // GUID for DynamicEx and HII PCD variable Guid. It can be accessed by the GuidTableOffset.
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//STRING_HEAD StringHead[]; // String PCD
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//PCD_NAME_INDEX PcdNameTable[]; // PCD name index info. It can be accessed by the PcdNameTableOffset.
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//VARIABLE_HEAD VariableHead[]; // HII PCD
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//UINT8 StringTable[]; // String for String PCD value and HII PCD Variable Name. It can be accessed by StringTableOffset.
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//SIZE_INFO SizeTable[]; // MaxSize and CurSize for String PCD. It can be accessed by SizeTableOffset.
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//UINT16 ValueUint16[];
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//UINT8 ValueUint8[];
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//BOOLEAN ValueBoolean[];
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} PCD_DATABASE_INIT;
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//
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// PEI and DXE Pcd driver use the same PCD database
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//
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typedef PCD_DATABASE_INIT PEI_PCD_DATABASE;
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typedef PCD_DATABASE_INIT DXE_PCD_DATABASE;
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typedef struct {
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PEI_PCD_DATABASE *PeiDb;
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DXE_PCD_DATABASE *DxeDb;
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} PCD_DATABASE;
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typedef struct {
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UINT32 Offset:24;
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UINT32 Value:8;
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} PCD_DATA_DELTA;
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typedef struct {
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SKU_ID SkuId;
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UINT16 DefaultId;
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UINT8 Reserved[6];
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} PCD_DEFAULT_INFO;
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typedef struct {
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//
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// Full size, it must be at 8 byte alignment.
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//
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UINT32 DataSize;
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//
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// HeaderSize includes HeaderSize fields and DefaultInfo arrays
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//
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UINT32 HeaderSize;
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//
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// DefaultInfo arrays those have the same default setting.
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//
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PCD_DEFAULT_INFO DefaultInfo[1];
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//
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// Default data is stored as variable storage or the array of DATA_DELTA.
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//
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} PCD_DEFAULT_DATA;
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#define PCD_NV_STORE_DEFAULT_BUFFER_SIGNATURE SIGNATURE_32('N', 'S', 'D', 'B')
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typedef struct {
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//
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// PCD_NV_STORE_DEFAULT_BUFFER_SIGNATURE
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//
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UINT32 Signature;
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//
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// Length of the taken default buffer
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//
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UINT32 Length;
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//
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// Length of the total reserved buffer
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//
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UINT32 MaxLength;
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//
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// Reserved for 8 byte alignment
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//
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UINT32 Reserved;
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// one or more PCD_DEFAULT_DATA
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} PCD_NV_STORE_DEFAULT_BUFFER_HEADER;
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//
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// NvStoreDefaultValueBuffer layout:
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// +-------------------------------------+
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// | PCD_NV_STORE_DEFAULT_BUFFER_HEADER |
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// +-------------------------------------+
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// | PCD_DEFAULT_DATA (DEFAULT, Standard)|
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// +-------------------------------------+
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// | PCD_DATA_DELTA (DEFAULT, Standard)|
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// +-------------------------------------+
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// | ...... |
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// +-------------------------------------+
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// | PCD_DEFAULT_DATA (SKU A, Standard) |
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// +-------------------------------------+
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// | PCD_DATA_DELTA (SKU A, Standard) |
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// +-------------------------------------+
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// | ...... |
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// +-------------------------------------+
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//
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#pragma pack(1)
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typedef struct {
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SKU_ID SkuId;
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SKU_ID SkuIdCompared;
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UINT32 Length;
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// PCD_DATA_DELTA DeltaData[]
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} PCD_DATABASE_SKU_DELTA;
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//
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// PCD database layout:
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// +---------------------------------+
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// | PCD_DATABASE_INIT (DEFAULT SKU) |
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// +---------------------------------+
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// | PCD_DATABASE_SKU_DELTA (SKU A) |
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// +---------------------------------+
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// | PCD_DATABASE_SKU_DELTA (SKU B) |
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// +---------------------------------+
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// | ...... |
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// +---------------------------------+
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//
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#pragma pack()
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#endif
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