produce the implementation of native PCD protocol and EFI_PCD_PROTOCOL defined in\r
PI 1.2 Vol3.\r
\r
-Copyright (c) 2006 - 2010, Intel Corporation\r
-All rights reserved. This program and the accompanying materials\r
+Copyright (c) 2006 - 2013, Intel Corporation. All rights reserved.<BR>\r
+This program and the accompanying materials\r
are licensed and made available under the terms and conditions of the BSD License\r
which accompanies this distribution. The full text of the license may be found at\r
http://opensource.org/licenses/bsd-license.php\r
\r
#include "Service.h"\r
\r
-//\r
-// Just pre-allocate a memory buffer that is big enough to\r
-// host all distinct TokenSpace guid in both\r
-// PEI ExMap and DXE ExMap.\r
-//\r
-EFI_GUID *TmpTokenSpaceBuffer[PEI_EXMAPPING_TABLE_SIZE + DXE_EXMAPPING_TABLE_SIZE] = { 0 };\r
-\r
///\r
/// PCD database lock.\r
///\r
DxePcdGetNextTokenSpace\r
};\r
\r
+///\r
+/// Instance of GET_PCD_INFO_PROTOCOL protocol is EDKII native implementation.\r
+/// This protocol instance support dynamic and dynamicEx type PCDs.\r
+///\r
+GET_PCD_INFO_PROTOCOL mGetPcdInfoInstance = {\r
+ DxeGetPcdInfoGetInfo,\r
+ DxeGetPcdInfoGetInfoEx,\r
+ DxeGetPcdInfoGetSku\r
+};\r
+\r
+///\r
+/// Instance of EFI_GET_PCD_INFO_PROTOCOL which is defined in PI 1.2.1 Vol 3.\r
+/// This PPI instance only support dyanmicEx type PCD.\r
+///\r
+EFI_GET_PCD_INFO_PROTOCOL mEfiGetPcdInfoInstance = {\r
+ DxeGetPcdInfoGetInfoEx,\r
+ DxeGetPcdInfoGetSku\r
+};\r
+\r
EFI_HANDLE mPcdHandle = NULL;\r
\r
/**\r
&gEfiPcdProtocolGuid, &mEfiPcdInstance,\r
NULL\r
);\r
- \r
ASSERT_EFI_ERROR (Status);\r
\r
+ //\r
+ // Only install PcdInfo PROTOCOL when PCD info content is present. \r
+ //\r
+ if (mPcdDatabase.DxeDb->PcdNameTableOffset != 0) {\r
+ //\r
+ // Install GET_PCD_INFO_PROTOCOL to handle dynamic type PCD\r
+ // Install EFI_GET_PCD_INFO_PROTOCOL to handle dynamicEx type PCD\r
+ //\r
+ Status = gBS->InstallMultipleProtocolInterfaces (\r
+ &mPcdHandle,\r
+ &gGetPcdInfoProtocolGuid, &mGetPcdInfoInstance,\r
+ &gEfiGetPcdInfoProtocolGuid, &mEfiGetPcdInfoInstance,\r
+ NULL\r
+ );\r
+ ASSERT_EFI_ERROR (Status);\r
+ }\r
+\r
return Status;\r
+}\r
+\r
+/**\r
+ Retrieve additional information associated with a PCD token in the default token space.\r
+\r
+ This includes information such as the type of value the TokenNumber is associated with as well as possible\r
+ human readable name that is associated with the token.\r
+\r
+ @param[in] TokenNumber The PCD token number.\r
+ @param[out] PcdInfo The returned information associated with the requested TokenNumber.\r
+ The caller is responsible for freeing the buffer that is allocated by callee for PcdInfo->PcdName.\r
+\r
+ @retval EFI_SUCCESS The PCD information was returned successfully.\r
+ @retval EFI_NOT_FOUND The PCD service could not find the requested token number.\r
+**/\r
+EFI_STATUS\r
+EFIAPI\r
+DxeGetPcdInfoGetInfo (\r
+ IN UINTN TokenNumber,\r
+ OUT EFI_PCD_INFO *PcdInfo\r
+ )\r
+{\r
+ return DxeGetPcdInfo (NULL, TokenNumber, PcdInfo);\r
+}\r
+\r
+/**\r
+ Retrieve additional information associated with a PCD token.\r
+\r
+ This includes information such as the type of value the TokenNumber is associated with as well as possible\r
+ human readable name that is associated with the token.\r
+\r
+ @param[in] Guid The 128-bit unique value that designates the namespace from which to extract the value.\r
+ @param[in] TokenNumber The PCD token number.\r
+ @param[out] PcdInfo The returned information associated with the requested TokenNumber.\r
+ The caller is responsible for freeing the buffer that is allocated by callee for PcdInfo->PcdName.\r
+\r
+ @retval EFI_SUCCESS The PCD information was returned successfully.\r
+ @retval EFI_NOT_FOUND The PCD service could not find the requested token number.\r
+**/\r
+EFI_STATUS\r
+EFIAPI\r
+DxeGetPcdInfoGetInfoEx (\r
+ IN CONST EFI_GUID *Guid,\r
+ IN UINTN TokenNumber,\r
+ OUT EFI_PCD_INFO *PcdInfo\r
+ )\r
+{\r
+ return DxeGetPcdInfo (Guid, TokenNumber, PcdInfo);\r
+}\r
+\r
+/**\r
+ Retrieve the currently set SKU Id.\r
\r
+ @return The currently set SKU Id. If the platform has not set at a SKU Id, then the\r
+ default SKU Id value of 0 is returned. If the platform has set a SKU Id, then the currently set SKU\r
+ Id is returned.\r
+**/\r
+UINTN\r
+EFIAPI\r
+DxeGetPcdInfoGetSku (\r
+ VOID\r
+ )\r
+{\r
+ return mPcdDatabase.DxeDb->SystemSkuId;\r
}\r
\r
/**\r
IN UINTN SkuId\r
)\r
{\r
- mPcdDatabase->PeiDb.Init.SystemSkuId = (SKU_ID) SkuId;\r
+ mPcdDatabase.DxeDb->SystemSkuId = (SKU_ID) SkuId;\r
\r
return;\r
}\r
// EBC compiler is very choosy. It may report warning about comparison\r
// between UINTN and 0 . So we add 1 in each size of the \r
// comparison.\r
- ASSERT (TokenNumber + 1 < PCD_TOTAL_TOKEN_NUMBER + 1);\r
+ ASSERT (TokenNumber + 1 < mPcdTotalTokenCount + 1);\r
\r
// EBC compiler is very choosy. It may report warning about comparison\r
// between UINTN and 0 . So we add 1 in each size of the \r
// comparison.\r
- IsPeiDb = (BOOLEAN) (TokenNumber + 1 < PEI_LOCAL_TOKEN_NUMBER + 1);\r
+ IsPeiDb = (BOOLEAN) (TokenNumber + 1 < mPeiLocalTokenCount + 1);\r
\r
TokenNumber = IsPeiDb ? TokenNumber : \r
- (TokenNumber - PEI_LOCAL_TOKEN_NUMBER);\r
+ (TokenNumber - mPeiLocalTokenCount);\r
\r
- LocalTokenNumberTable = IsPeiDb ? mPcdDatabase->PeiDb.Init.LocalTokenNumberTable \r
- : mPcdDatabase->DxeDb.Init.LocalTokenNumberTable;\r
+ LocalTokenNumberTable = IsPeiDb ? (UINT32 *)((UINT8 *)mPcdDatabase.PeiDb + mPcdDatabase.PeiDb->LocalTokenNumberTableOffset) \r
+ : (UINT32 *)((UINT8 *)mPcdDatabase.DxeDb + mPcdDatabase.DxeDb->LocalTokenNumberTableOffset);\r
\r
Size = (LocalTokenNumberTable[TokenNumber] & PCD_DATUM_TYPE_ALL_SET) >> PCD_DATUM_TYPE_SHIFT;\r
\r
@param[in, out] TokenNumber \r
A pointer to the PCD token number to use to find the subsequent token number. \r
\r
- @retval EFI_SUCCESS The PCD service retrieved the next valid token number. Or the input token number \r
- is already the last valid token number in the PCD database. \r
- In the later case, *TokenNumber is updated with the value of 0.\r
- @retval EFI_NOT_FOUND If this input token number and token namespace does not exist on the platform.\r
+ @retval EFI_SUCCESS The PCD service has retrieved the next valid token number.\r
+ @retval EFI_NOT_FOUND The PCD service could not find data from the requested token number.\r
\r
**/\r
EFI_STATUS\r
BOOLEAN DxeExMapTableEmpty;\r
\r
Status = EFI_NOT_FOUND;\r
- PeiExMapTableEmpty = PEI_EXMAP_TABLE_EMPTY;\r
- DxeExMapTableEmpty = DXE_EXMAP_TABLE_EMPTY;\r
+ PeiExMapTableEmpty = mPeiExMapTableEmpty;\r
+ DxeExMapTableEmpty = mDxeExMapTableEmpty;\r
\r
//\r
// Scan the local token space\r
// EBC compiler is very choosy. It may report warning about comparison\r
// between UINTN and 0 . So we add 1 in each size of the \r
// comparison.\r
- if (((*TokenNumber + 1 > PEI_NEX_TOKEN_NUMBER + 1) && (*TokenNumber + 1 < PEI_LOCAL_TOKEN_NUMBER + 1)) ||\r
- ((*TokenNumber + 1 > (PEI_LOCAL_TOKEN_NUMBER + DXE_NEX_TOKEN_NUMBER + 1)))) {\r
- return EFI_NOT_FOUND;\r
+ if (((*TokenNumber + 1 > mPeiNexTokenCount + 1) && (*TokenNumber + 1 <= mPeiLocalTokenCount + 1)) ||\r
+ ((*TokenNumber + 1 > (mPeiLocalTokenCount + mDxeNexTokenCount + 1)))) {\r
+ return EFI_NOT_FOUND;\r
}\r
\r
(*TokenNumber)++;\r
- if ((*TokenNumber + 1 > PEI_NEX_TOKEN_NUMBER + 1) &&\r
- (*TokenNumber <= PEI_LOCAL_TOKEN_NUMBER)) {\r
+ if ((*TokenNumber + 1 > mPeiNexTokenCount + 1) &&\r
+ (*TokenNumber + 1 <= mPeiLocalTokenCount + 1)) {\r
//\r
// The first Non-Ex type Token Number for DXE PCD \r
- // database is PEI_LOCAL_TOKEN_NUMBER\r
+ // database is mPeiLocalTokenCount + 1\r
//\r
- *TokenNumber = PEI_LOCAL_TOKEN_NUMBER;\r
- } else if (*TokenNumber + 1 > DXE_NEX_TOKEN_NUMBER + PEI_LOCAL_TOKEN_NUMBER + 1) {\r
+ if (mDxeNexTokenCount > 0) {\r
+ *TokenNumber = mPeiLocalTokenCount + 1;\r
+ } else {\r
+ *TokenNumber = PCD_INVALID_TOKEN_NUMBER;\r
+ return EFI_NOT_FOUND;\r
+ }\r
+ } else if (*TokenNumber + 1 > mDxeNexTokenCount + mPeiLocalTokenCount + 1) {\r
*TokenNumber = PCD_INVALID_TOKEN_NUMBER;\r
+ return EFI_NOT_FOUND;\r
}\r
return EFI_SUCCESS;\r
}\r
\r
if (PeiExMapTableEmpty && DxeExMapTableEmpty) {\r
- *TokenNumber = PCD_INVALID_TOKEN_NUMBER;\r
return EFI_NOT_FOUND;\r
}\r
\r
Status = ExGetNextTokeNumber (\r
Guid,\r
TokenNumber,\r
- mPcdDatabase->PeiDb.Init.GuidTable,\r
- sizeof(mPcdDatabase->PeiDb.Init.GuidTable),\r
- mPcdDatabase->PeiDb.Init.ExMapTable,\r
- sizeof(mPcdDatabase->PeiDb.Init.ExMapTable)\r
+ (EFI_GUID *)((UINT8 *)mPcdDatabase.PeiDb + mPcdDatabase.PeiDb->GuidTableOffset),\r
+ mPeiGuidTableSize,\r
+ (DYNAMICEX_MAPPING *)((UINT8 *) mPcdDatabase.PeiDb + mPcdDatabase.PeiDb->ExMapTableOffset),\r
+ mPeiExMapppingTableSize\r
);\r
}\r
\r
Status = ExGetNextTokeNumber (\r
Guid,\r
TokenNumber,\r
- mPcdDatabase->DxeDb.Init.GuidTable,\r
- sizeof(mPcdDatabase->DxeDb.Init.GuidTable),\r
- mPcdDatabase->DxeDb.Init.ExMapTable,\r
- sizeof(mPcdDatabase->DxeDb.Init.ExMapTable)\r
+ (EFI_GUID *)((UINT8 *)mPcdDatabase.DxeDb + mPcdDatabase.DxeDb->GuidTableOffset),\r
+ mDxeGuidTableSize,\r
+ (DYNAMICEX_MAPPING *)((UINT8 *) mPcdDatabase.DxeDb + mPcdDatabase.DxeDb->ExMapTableOffset),\r
+ mDxeExMapppingTableSize\r
);\r
}\r
\r
/**\r
Get all token space guid table which is different with given token space guid.\r
\r
- @param ExMapTableSize The size of guid table\r
+ @param ExMapTableSize The size of ExMapTable in item\r
@param ExMapTable Token space guid table that want to be scaned.\r
@param GuidTable Guid table\r
\r
EFI_GUID **DistinctTokenSpace;\r
UINTN OldGuidIndex;\r
UINTN TsIdx;\r
+ UINTN TempTsIdx;\r
UINTN Idx;\r
-\r
+ BOOLEAN Match;\r
\r
DistinctTokenSpace = AllocateZeroPool (*ExMapTableSize * sizeof (EFI_GUID *));\r
ASSERT (DistinctTokenSpace != NULL);\r
OldGuidIndex = ExMapTable[0].ExGuidIndex;\r
DistinctTokenSpace[TsIdx] = &GuidTable[OldGuidIndex];\r
for (Idx = 1; Idx < *ExMapTableSize; Idx++) {\r
- if (ExMapTable[Idx].ExGuidIndex != OldGuidIndex) {\r
- OldGuidIndex = ExMapTable[Idx].ExGuidIndex;\r
+ Match = FALSE;\r
+ OldGuidIndex = ExMapTable[Idx].ExGuidIndex;\r
+ for (TempTsIdx = 0; TempTsIdx <= TsIdx; TempTsIdx++) {\r
+ if (&GuidTable[OldGuidIndex] == DistinctTokenSpace[TempTsIdx]) {\r
+ //\r
+ // Have recorded this GUID.\r
+ //\r
+ Match = TRUE;\r
+ break;\r
+ }\r
+ }\r
+ if (!Match) {\r
DistinctTokenSpace[++TsIdx] = &GuidTable[OldGuidIndex];\r
}\r
}\r
}\r
\r
/**\r
- Get next token space in PCD database according to given token space guid.\r
- \r
- @param Guid Given token space guid. If NULL, then Guid will be set to \r
- the first PCD token space in PCD database, If not NULL, then\r
- Guid will be set to next PCD token space.\r
-\r
- @retval EFI_UNSUPPORTED \r
- @retval EFI_NOT_FOUND If PCD database has no token space table or can not find given\r
- token space in PCD database.\r
- @retval EFI_SUCCESS Success to get next token space guid.\r
+ Retrieves the next valid PCD token namespace for a given namespace.\r
+\r
+ Gets the next valid token namespace for a given namespace. This is useful to traverse the valid\r
+ token namespaces on a platform.\r
+\r
+ @param[in, out] Guid An indirect pointer to EFI_GUID. On input it designates a known token\r
+ namespace from which the search will start. On output, it designates the next valid\r
+ token namespace on the platform. If *Guid is NULL, then the GUID of the first token\r
+ space of the current platform is returned. If the search cannot locate the next valid\r
+ token namespace, an error is returned and the value of *Guid is undefined.\r
+ \r
+ @retval EFI_SUCCESS The PCD service retrieved the value requested.\r
+ @retval EFI_NOT_FOUND The PCD service could not find the next valid token namespace.\r
+\r
**/\r
EFI_STATUS\r
EFIAPI\r
\r
ASSERT (Guid != NULL);\r
\r
- PeiExMapTableEmpty = PEI_EXMAP_TABLE_EMPTY;\r
- DxeExMapTableEmpty = DXE_EXMAP_TABLE_EMPTY;\r
+ PeiExMapTableEmpty = mPeiExMapTableEmpty;\r
+ DxeExMapTableEmpty = mDxeExMapTableEmpty;\r
\r
if (PeiExMapTableEmpty && DxeExMapTableEmpty) {\r
- if (*Guid != NULL) {\r
- return EFI_NOT_FOUND;\r
- } else {\r
- return EFI_SUCCESS;\r
- }\r
+ return EFI_NOT_FOUND;\r
}\r
\r
- \r
if (TmpTokenSpaceBuffer[0] == NULL) {\r
PeiTokenSpaceTableSize = 0;\r
\r
if (!PeiExMapTableEmpty) {\r
- PeiTokenSpaceTableSize = PEI_EXMAPPING_TABLE_SIZE;\r
+ PeiTokenSpaceTableSize = mPeiExMapppingTableSize / sizeof(DYNAMICEX_MAPPING);\r
PeiTokenSpaceTable = GetDistinctTokenSpace (&PeiTokenSpaceTableSize,\r
- mPcdDatabase->PeiDb.Init.ExMapTable,\r
- mPcdDatabase->PeiDb.Init.GuidTable\r
+ (DYNAMICEX_MAPPING *)((UINT8 *)mPcdDatabase.PeiDb + mPcdDatabase.PeiDb->ExMapTableOffset),\r
+ (EFI_GUID *)((UINT8 *)mPcdDatabase.PeiDb + mPcdDatabase.PeiDb->GuidTableOffset)\r
);\r
CopyMem (TmpTokenSpaceBuffer, PeiTokenSpaceTable, sizeof (EFI_GUID*) * PeiTokenSpaceTableSize);\r
+ FreePool (PeiTokenSpaceTable);\r
}\r
\r
if (!DxeExMapTableEmpty) {\r
- DxeTokenSpaceTableSize = DXE_EXMAPPING_TABLE_SIZE;\r
+ DxeTokenSpaceTableSize = mDxeExMapppingTableSize / sizeof(DYNAMICEX_MAPPING);\r
DxeTokenSpaceTable = GetDistinctTokenSpace (&DxeTokenSpaceTableSize,\r
- mPcdDatabase->DxeDb.Init.ExMapTable,\r
- mPcdDatabase->DxeDb.Init.GuidTable\r
+ (DYNAMICEX_MAPPING *)((UINT8 *)mPcdDatabase.DxeDb + mPcdDatabase.DxeDb->ExMapTableOffset),\r
+ (EFI_GUID *)((UINT8 *)mPcdDatabase.DxeDb + mPcdDatabase.DxeDb->GuidTableOffset)\r
);\r
\r
//\r
TmpTokenSpaceBuffer[Idx3++] = DxeTokenSpaceTable[Idx2];\r
}\r
}\r
+\r
+ TmpTokenSpaceBufferCount = Idx3;\r
+ FreePool (DxeTokenSpaceTable);\r
}\r
}\r
\r
return EFI_SUCCESS;\r
}\r
\r
- for (Idx = 0; Idx < (PEI_EXMAPPING_TABLE_SIZE + DXE_EXMAPPING_TABLE_SIZE); Idx++) {\r
- if(CompareGuid (*Guid, TmpTokenSpaceBuffer[Idx])) {\r
- Idx++;\r
- *Guid = TmpTokenSpaceBuffer[Idx];\r
- return EFI_SUCCESS;\r
+ for (Idx = 0; Idx < TmpTokenSpaceBufferCount; Idx++) {\r
+ if (CompareGuid (*Guid, TmpTokenSpaceBuffer[Idx])) {\r
+ if (Idx == TmpTokenSpaceBufferCount - 1) {\r
+ //\r
+ // It has been the last token namespace.\r
+ //\r
+ *Guid = NULL;\r
+ return EFI_NOT_FOUND;\r
+ } else {\r
+ Idx++;\r
+ *Guid = TmpTokenSpaceBuffer[Idx];\r
+ return EFI_SUCCESS;\r
+ }\r
}\r
}\r
\r