1) Add in support to traverse taken space

2) Remove unused import in DynamicTokenValue.java.
3) Support Byte Stream input for Pointer type Dynamic PCD entry in FPD file.


git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@616 6f19259b-4bc3-4df7-8a09-765794883524

13 files changed, 474 insertions, 87 deletions

diff --git a/EdkModulePkg/Universal/PCD/Dxe/Pcd.c b/EdkModulePkg/Universal/PCD/Dxe/Pcd.c
index 55040fe..26bb7d8 100644
--- a/EdkModulePkg/Universal/PCD/Dxe/Pcd.c
+++ b/EdkModulePkg/Universal/PCD/Dxe/Pcd.c
@@ -553,7 +553,9 @@ DxePcdGetNextToken (
                         );

   }

 

-  if (!DXE_EXMAP_TABLE_EMPTY) {

+  if ((ExTokenNumber == PCD_INVALID_TOKEN_NUMBER) &&

+      !DXE_EXMAP_TABLE_EMPTY

+    ) {

     ExTokenNumber = ExGetNextTokeNumber (

                         Guid,

                         ExTokenNumber,

@@ -569,3 +571,119 @@ DxePcdGetNextToken (
   return EFI_SUCCESS;

 }

 

+

+EFI_GUID **

+GetDistinctTokenSpace (

+  IN OUT    UINTN             *ExMapTableSize,

+  IN        DYNAMICEX_MAPPING *ExMapTable,

+  IN        EFI_GUID          *GuidTable

+  )

+{

+  EFI_GUID  **DistinctTokenSpace;

+  UINTN     OldGuidIndex;

+  UINTN     TsIdx;

+  UINTN     Idx;

+

+

+  DistinctTokenSpace = AllocateZeroPool (*ExMapTableSize * sizeof (EFI_GUID *));

+  ASSERT (DistinctTokenSpace != NULL);

+

+  TsIdx = 0;

+  OldGuidIndex = ExMapTable[0].ExGuidIndex;

+  DistinctTokenSpace[TsIdx] = &GuidTable[OldGuidIndex];

+  for (Idx = 1; Idx < PEI_EXMAPPING_TABLE_SIZE; Idx++) {

+    if (ExMapTable[Idx].ExGuidIndex != OldGuidIndex) {

+      OldGuidIndex = ExMapTable[Idx].ExGuidIndex;

+      DistinctTokenSpace[++TsIdx] = &GuidTable[OldGuidIndex];

+    }

+  }

+

+  *ExMapTableSize = TsIdx;

+  return DistinctTokenSpace;

+    

+}

+  

+

+STATIC EFI_GUID *TmpTokenSpaceBuffer[PEI_EXMAPPING_TABLE_SIZE + DXE_EXMAPPING_TABLE_SIZE] = { 0 };

+

+EFI_STATUS

+EFIAPI

+DxePcdGetNextTokenSpace (

+  IN OUT CONST EFI_GUID               **Guid

+  )

+{

+  UINTN               Idx;

+  UINTN               Idx2;

+  UINTN               Idx3;

+  UINTN               PeiTokenSpaceTableSize;

+  UINTN               DxeTokenSpaceTableSize;

+  EFI_GUID            **PeiTokenSpaceTable;

+  EFI_GUID            **DxeTokenSpaceTable;

+  BOOLEAN             Match;

+

+  ASSERT (Guid != NULL);

+  

+  if (PEI_EXMAP_TABLE_EMPTY && DXE_EXMAP_TABLE_EMPTY) {

+    if (*Guid != NULL) {

+      return EFI_NOT_FOUND;

+    } else {

+      return EFI_SUCCESS;

+    }

+  }

+  

+  

+  if (TmpTokenSpaceBuffer[0] != NULL) {

+    PeiTokenSpaceTableSize = 0;

+

+    if (!PEI_EXMAP_TABLE_EMPTY) {

+      PeiTokenSpaceTableSize = PEI_EXMAPPING_TABLE_SIZE;

+      PeiTokenSpaceTable = GetDistinctTokenSpace (&PeiTokenSpaceTableSize,

+                            mPcdDatabase->PeiDb.Init.ExMapTable,

+                            mPcdDatabase->PeiDb.Init.GuidTable

+                            );

+      CopyMem (TmpTokenSpaceBuffer, PeiTokenSpaceTable, sizeof (EFI_GUID*) * PeiTokenSpaceTableSize);

+    }

+

+    if (!DXE_EXMAP_TABLE_EMPTY) {

+      DxeTokenSpaceTableSize = DXE_EXMAPPING_TABLE_SIZE;

+      DxeTokenSpaceTable = GetDistinctTokenSpace (&DxeTokenSpaceTableSize,

+                            mPcdDatabase->DxeDb.Init.ExMapTable,

+                            mPcdDatabase->DxeDb.Init.GuidTable

+                            );

+

+      //

+      // Make sure EFI_GUID in DxeTokenSpaceTable does not exist in PeiTokenSpaceTable

+      //

+      for (Idx2 = 0, Idx3 = PeiTokenSpaceTableSize; Idx2 < DxeTokenSpaceTableSize; Idx2++) {

+        Match = FALSE;

+        for (Idx = 0; Idx < PeiTokenSpaceTableSize; Idx++) {

+          if (CompareGuid (TmpTokenSpaceBuffer[Idx], DxeTokenSpaceTable[Idx2])) {

+            Match = TRUE;

+            break;

+          }

+        }

+        if (!Match) {

+          TmpTokenSpaceBuffer[Idx3++] = DxeTokenSpaceTable[Idx2];

+        }

+      }

+    }

+  }

+

+  if (*Guid == NULL) {

+    *Guid = TmpTokenSpaceBuffer[0];

+    return EFI_SUCCESS;

+  }

+  

+  for (Idx = 0; Idx < (PEI_EXMAPPING_TABLE_SIZE + DXE_EXMAPPING_TABLE_SIZE); Idx++) {

+    if(CompareGuid (*Guid, TmpTokenSpaceBuffer[Idx])) {

+      Idx++;

+      *Guid = TmpTokenSpaceBuffer[Idx];

+      return EFI_SUCCESS;

+    }

+  }

+

+  return EFI_NOT_FOUND;

+

+}

+

+

diff --git a/EdkModulePkg/Universal/PCD/Dxe/Service.c b/EdkModulePkg/Universal/PCD/Dxe/Service.c
index 9513143..9751851 100644
--- a/EdkModulePkg/Universal/PCD/Dxe/Service.c
+++ b/EdkModulePkg/Universal/PCD/Dxe/Service.c
@@ -263,7 +263,7 @@ ExGetNextTokeNumber (
     if (TokenNumber == PCD_INVALID_TOKEN_NUMBER) {

       return ExMapTable[Idx].ExTokenNumber;

     }

-    

+

     for ( ; Idx < SizeOfExMapTable; Idx++) {

       if (ExMapTable[Idx].ExTokenNumber == TokenNumber) {

         Idx++;

diff --git a/EdkModulePkg/Universal/PCD/Pei/Pcd.c b/EdkModulePkg/Universal/PCD/Pei/Pcd.c
index 34af220..dfcb569 100644
--- a/EdkModulePkg/Universal/PCD/Pei/Pcd.c
+++ b/EdkModulePkg/Universal/PCD/Pei/Pcd.c
@@ -52,7 +52,8 @@ PCD_PPI mPcdPpiInstance = {
 

   PeiRegisterCallBackOnSet,

   PcdUnRegisterCallBackOnSet,

-  PeiPcdGetNextToken

+  PeiPcdGetNextToken,

+  PeiPcdGetNextTokenSpace

 };

 

 

@@ -568,7 +569,7 @@ PeiPcdGetNextToken (
 

 EFI_STATUS

 EFIAPI

-PeiPcdGetNextTokenSpaceGuid (

+PeiPcdGetNextTokenSpace (

   IN OUT CONST EFI_GUID               **Guid

   )

 {

@@ -579,17 +580,15 @@ PeiPcdGetNextTokenSpaceGuid (
   UINTN               i;

   BOOLEAN             Found;

 

-   if (*Guid == NULL) {

-    if (PEI_EXMAP_TABLE_EMPTY) {

-      return EFI_SUCCESS;

+  ASSERT (Guid != NULL);

+

+  if (PEI_EXMAP_TABLE_EMPTY) {

+    if (*Guid != NULL) {

+      return EFI_NOT_FOUND;

     } else {

-      //

-      // return the first Token Space Guid.

-      //

-      *Guid = &PeiPcdDb->Init.GuidTable[ExMapTable[0].ExGuidIndex];

       return EFI_SUCCESS;

     }

-   }

+  }

 

   //

   // Assume PCD Database AutoGen tool is sorting the ExMap based on the following order

@@ -598,6 +597,16 @@ PeiPcdGetNextTokenSpaceGuid (
   //

   PeiPcdDb = GetPcdDatabase ();

 

+  ExMapTable = PeiPcdDb->Init.ExMapTable;

+

+  if (*Guid == NULL) {

+    //

+    // return the first Token Space Guid.

+    //

+    *Guid = &PeiPcdDb->Init.GuidTable[ExMapTable[0].ExGuidIndex];

+    return EFI_SUCCESS;

+  }

+

   MatchGuid = ScanGuid (PeiPcdDb->Init.GuidTable, sizeof(PeiPcdDb->Init.GuidTable), *Guid);

 

   if (MatchGuid == NULL) {

@@ -606,8 +615,6 @@ PeiPcdGetNextTokenSpaceGuid (
   

   GuidTableIdx = MatchGuid - PeiPcdDb->Init.GuidTable;

 

-  ExMapTable = PeiPcdDb->Init.ExMapTable;

-

   Found = FALSE;

   for (i = 0; i < PEI_EXMAPPING_TABLE_SIZE; i++) {

     if (ExMapTable[i].ExGuidIndex == GuidTableIdx) {

@@ -617,12 +624,15 @@ PeiPcdGetNextTokenSpaceGuid (
   }

 

   if (Found) {

+    i++;

     for ( ; i < PEI_EXMAPPING_TABLE_SIZE; i++ ) {

       if (ExMapTable[i].ExGuidIndex != GuidTableIdx ) {

         *Guid = &PeiPcdDb->Init.GuidTable[ExMapTable[i].ExGuidIndex];

         return EFI_SUCCESS;

       }

     }

+    *Guid = NULL;

+    return EFI_SUCCESS;

   }

 

   return EFI_NOT_FOUND;

diff --git a/EdkModulePkg/Universal/PCD/Pei/Service.h b/EdkModulePkg/Universal/PCD/Pei/Service.h
index 563e82a..d3e7139 100644
--- a/EdkModulePkg/Universal/PCD/Pei/Service.h
+++ b/EdkModulePkg/Universal/PCD/Pei/Service.h
@@ -381,6 +381,14 @@ PeiPcdGetNextToken (
   )

 ;

 

+

+EFI_STATUS

+EFIAPI

+PeiPcdGetNextTokenSpace (

+  IN CONST EFI_GUID           **Guid

+  )

+;

+

 extern EFI_GUID gPcdDataBaseHobGuid;

 

 extern EFI_GUID gPcdPeiCallbackFnTableHobGuid;

diff --git a/MdePkg/Include/Library/PcdLib.h b/MdePkg/Include/Library/PcdLib.h
index 2f79764..5858cfc 100644
--- a/MdePkg/Include/Library/PcdLib.h
+++ b/MdePkg/Include/Library/PcdLib.h
@@ -436,10 +436,20 @@ LibPcdSet64 (
 

 /**

   Sets a buffer for the token specified by TokenNumber to 

-  the value specified by Value.     Value is returned.

-  If Value is NULL, then ASSERT().

+  the value specified by Buffer and SizeOfValue.  Buffer to

+  be set is returned. The content of the buffer could be 

+  overwritten if a Callback on SET is registered with this

+  TokenNumber.

+  

+  If SizeOfValue is greater than the maximum 

+  size support by TokenNumber, then set SizeOfValue to the 

+  maximum size supported by TokenNumber and return NULL to 

+  indicate that the set operation was not actually performed. 

+  

+  If SizeOfValue > 0 and Buffer is NULL, then ASSERT().

   

   @param[in]  TokenNumber The PCD token number to set a current value for.

+  @param[in,out] SizeOfBuffer The size, in bytes, of Buffer.

   @param[in]  Value A pointer to the buffer to set.

 

   @retval VOID* Return the pointer for the buffer been set.

@@ -448,9 +458,9 @@ LibPcdSet64 (
 VOID*

 EFIAPI

 LibPcdSetPtr (

-  IN UINTN             TokenNumber,

-  IN UINTN             SizeOfBuffer,

-  IN VOID              *Value

+  IN      UINTN             TokenNumber,

+  IN OUT  UINTN             *SizeOfBuffer,

+  IN      VOID              *Value

   );

 

 

@@ -561,26 +571,30 @@ LibPcdSetEx64 (
 

 

 /**

-  Sets a buffer for the token specified by TokenNumber and 

-  Guid to the value specified by Value. Value is returned.

-  If Guid is NULL, then ASSERT().

-  If Value is NULL, then ASSERT().

+  Sets a buffer for the token specified by TokenNumber to the value specified by 

+  Buffer and SizeOfValue.  Buffer is returned.  If SizeOfValue is greater than 

+  the maximum size support by TokenNumber, then set SizeOfValue to the maximum size 

+  supported by TokenNumber and return NULL to indicate that the set operation 

+  was not actually performed. 

+  

+  If SizeOfValue > 0 and Buffer is NULL, then ASSERT().

   

   @param[in]  Guid Pointer to a 128-bit unique value that 

               designates which namespace to set a value from.

   @param[in]  TokenNumber The PCD token number to set a current value for.

-  @param[in]  Value The 8-bit value to set.

+  @param[in, out] SizeOfBuffer The size, in bytes, of Buffer.

+  @param[in]  Buffer A pointer to the buffer to set.

 

-  @retval VOID * Return the value been set.

+  @retval VOID * Return the pinter to the buffer been set.

 

 **/

 VOID *

 EFIAPI

 LibPcdSetExPtr (

-  IN CONST GUID        *Guid,

-  IN UINTN             TokenNumber,

-  IN UINTN             SizeOfBuffer,

-  IN VOID              *Value

+  IN      CONST GUID        *Guid,

+  IN      UINTN             TokenNumber,

+  IN OUT  UINTN             *SizeOfBuffer,

+  IN      VOID              *Buffer

   );

 

 

@@ -697,4 +711,30 @@ LibPcdGetNextToken (
   IN UINTN                    TokenNumber

   );

 

+

+

+/**

+  Retrieves the next PCD token space from a token space specified by Guid.

+  Guid of NULL is reserved to mark the default local token namespace on the current

+  platform. If Guid is NULL, then the GUID of the first non-local token space of the 

+  current platform is returned. If Guid is the last non-local token space, 

+  then NULL is returned. 

+

+  If Guid is not NULL and is not a valid token space in the current platform, then ASSERT().

+

+

+  

+  @param[in]  Pointer to a 128-bit unique value that designates from which namespace 

+              to start the search.

+

+  @retval CONST GUID *  The next valid token namespace.

+

+**/

+

+CONST GUID*           

+EFIAPI

+LibPcdGetNextTokenSpace (

+  IN CONST GUID  *Guid

+  );

+

 #endif

diff --git a/MdePkg/Include/Ppi/Pcd.h b/MdePkg/Include/Ppi/Pcd.h
index 360eea3..a67e79c 100644
--- a/MdePkg/Include/Ppi/Pcd.h
+++ b/MdePkg/Include/Ppi/Pcd.h
@@ -256,6 +256,12 @@ EFI_STATUS
   IN OUT  UINTN               *TokenNumber

   );

 

+typedef

+EFI_STATUS

+(EFIAPI *PCD_PPI_GET_NEXT_TOKENSPACE) (

+  IN OUT CONST EFI_GUID         **Guid

+  );

+

 typedef struct {

   PCD_PPI_SET_SKU              SetSku;

 

@@ -292,6 +298,7 @@ typedef struct {
   PCD_PPI_CALLBACK_ONSET       CallbackOnSet;

   PCD_PPI_CANCEL_CALLBACK      CancelCallback;

   PCD_PPI_GET_NEXT_TOKEN       GetNextToken;

+  PCD_PPI_GET_NEXT_TOKENSPACE  GetNextTokenSpace;

 } PCD_PPI;

 

 

diff --git a/MdePkg/Include/Protocol/Pcd.h b/MdePkg/Include/Protocol/Pcd.h
index 07517ff..8869ad2 100644
--- a/MdePkg/Include/Protocol/Pcd.h
+++ b/MdePkg/Include/Protocol/Pcd.h
@@ -256,6 +256,14 @@ EFI_STATUS
   IN OUT  UINTN               *TokenNumber

   );

 

+

+typedef 

+EFI_STATUS

+(EFIAPI *PCD_PROTOCOL_GET_NEXT_TOKENSPACE) (

+  IN      CONST EFI_GUID      **Guid

+  );

+

+

 typedef struct {

   PCD_PROTOCOL_SET_SKU              SetSku;

 

@@ -292,6 +300,7 @@ typedef struct {
   PCD_PROTOCOL_CALLBACK_ONSET       CallbackOnSet;

   PCD_PROTOCOL_CANCEL_CALLBACK      CancelCallback;

   PCD_PROTOCOL_GET_NEXT_TOKEN       GetNextToken;

+  PCD_PROTOCOL_GET_NEXT_TOKENSPACE  GetNextTokenSpace;

 } PCD_PROTOCOL;

 

 #endif

diff --git a/MdePkg/Library/BasePcdLibNull/PcdLib.c b/MdePkg/Library/BasePcdLibNull/PcdLib.c
index 1dcb6fe..8321007 100644
--- a/MdePkg/Library/BasePcdLibNull/PcdLib.c
+++ b/MdePkg/Library/BasePcdLibNull/PcdLib.c
@@ -434,10 +434,20 @@ LibPcdSet64 (
 

 /**

   Sets a buffer for the token specified by TokenNumber to 

-  the value specified by Value. Value is returned.

-  If Value is NULL, then ASSERT().

+  the value specified by Buffer and SizeOfValue.  Buffer to

+  be set is returned. The content of the buffer could be 

+  overwritten if a Callback on SET is registered with this

+  TokenNumber.

+  

+  If SizeOfValue is greater than the maximum 

+  size support by TokenNumber, then set SizeOfValue to the 

+  maximum size supported by TokenNumber and return NULL to 

+  indicate that the set operation was not actually performed. 

+  

+  If SizeOfValue > 0 and Buffer is NULL, then ASSERT().

   

   @param[in]  TokenNumber The PCD token number to set a current value for.

+  @param[in,out] SizeOfBuffer The size, in bytes, of Buffer.

   @param[in]  Value A pointer to the buffer to set.

 

   @retval VOID* Return the pointer for the buffer been set.

@@ -446,9 +456,9 @@ LibPcdSet64 (
 VOID *

 EFIAPI

 LibPcdSetPtr (

-  IN UINTN             TokenNumber,

-  IN UINTN             SizeOfBuffer,

-  IN VOID              *Buffer

+  IN      UINTN             TokenNumber,

+  IN OUT  UINTN             *SizeOfBuffer,

+  IN      VOID              *Buffer

   )

 {

   ASSERT (Buffer != NULL);

@@ -593,26 +603,30 @@ LibPcdSetEx64 (
 

 

 /**

-  Sets a buffer for the token specified by TokenNumber and 

-  Guid to the value specified by Value. Value is returned.

-  If Guid is NULL, then ASSERT().

-  If Value is NULL, then ASSERT().

+  Sets a buffer for the token specified by TokenNumber to the value specified by 

+  Buffer and SizeOfValue.  Buffer is returned.  If SizeOfValue is greater than 

+  the maximum size support by TokenNumber, then set SizeOfValue to the maximum size 

+  supported by TokenNumber and return NULL to indicate that the set operation 

+  was not actually performed. 

+  

+  If SizeOfValue > 0 and Buffer is NULL, then ASSERT().

   

   @param[in]  Guid Pointer to a 128-bit unique value that 

               designates which namespace to set a value from.

   @param[in]  TokenNumber The PCD token number to set a current value for.

-  @param[in]  Value The 8-bit value to set.

+  @param[in, out] SizeOfBuffer The size, in bytes, of Buffer.

+  @param[in]  Buffer A pointer to the buffer to set.

 

-  @retval VOID * Return the value been set.

+  @retval VOID * Return the pinter to the buffer been set.

 

 **/

 VOID *

 EFIAPI

 LibPcdSetExPtr (

-  IN CONST GUID        *Guid,

-  IN UINTN             TokenNumber,

-  IN UINTN             SizeOfBuffer,

-  IN VOID              *Buffer

+  IN      CONST GUID        *Guid,

+  IN      UINTN             TokenNumber,

+  IN OUT  UINTN             *SizeOfBuffer,

+  IN      VOID              *Buffer

   )

 {

   ASSERT (Guid != NULL);

@@ -729,3 +743,31 @@ LibPcdGetNextToken (
 {

   return 0;

 }

+

+

+

+/**

+  Retrieves the next PCD token space from a token space specified by Guid.

+  Guid of NULL is reserved to mark the default local token namespace on the current

+  platform. If Guid is NULL, then the GUID of the first non-local token space of the 

+  current platform is returned. If Guid is the last non-local token space, 

+  then NULL is returned. 

+

+  If Guid is not NULL and is not a valid token space in the current platform, then ASSERT().

+

+

+  

+  @param[in]  Pointer to a 128-bit unique value that designates from which namespace 

+              to start the search.

+

+  @retval CONST GUID *  The next valid token namespace.

+

+**/

+CONST GUID*           

+EFIAPI

+LibPcdGetNextTokenSpace (

+  IN CONST GUID  *Guid

+  )

+{

+  return NULL;

+}

diff --git a/MdePkg/Library/DxePcdLib/DxePcdLib.c b/MdePkg/Library/DxePcdLib/DxePcdLib.c
index c20fad2..ee51771 100644
--- a/MdePkg/Library/DxePcdLib/DxePcdLib.c
+++ b/MdePkg/Library/DxePcdLib/DxePcdLib.c
@@ -483,28 +483,47 @@ LibPcdSet64 (
 

 /**

   Sets a buffer for the token specified by TokenNumber to 

-  the value specified by Value. Value is returned.

-  If Value is NULL, then ASSERT().

+  the value specified by Buffer and SizeOfValue.  Buffer to

+  be set is returned. The content of the buffer could be 

+  overwritten if a Callback on SET is registered with this

+  TokenNumber.

+  

+  If SizeOfValue is greater than the maximum 

+  size support by TokenNumber, then set SizeOfValue to the 

+  maximum size supported by TokenNumber and return NULL to 

+  indicate that the set operation was not actually performed. 

+  

+  If SizeOfValue > 0 and Buffer is NULL, then ASSERT().

   

   @param[in]  TokenNumber The PCD token number to set a current value for.

+  @param[in,out] SizeOfBuffer The size, in bytes, of Buffer.

   @param[in]  Value A pointer to the buffer to set.

 

   @retval VOID* Return the pointer for the buffer been set.

 

 **/

+

 VOID *

 EFIAPI

 LibPcdSetPtr (

-  IN UINTN             TokenNumber,

-  IN UINTN             SizeOfBuffer,

-  IN VOID              *Buffer

+  IN      UINTN             TokenNumber,

+  IN OUT  UINTN             *SizeOfBuffer,

+  IN      VOID              *Buffer

   )

 {

   EFI_STATUS Status;

+  UINTN      Size;

   

-  ASSERT (Buffer != NULL);

+  ASSERT ((*SizeOfBuffer > 0) && Buffer == NULL);

 

-  Status = mPcd->SetPtr (TokenNumber, SizeOfBuffer, Buffer);

+  Size = LibPcdGetSize (TokenNumber);

+  

+  if (*SizeOfBuffer > Size) {

+    *SizeOfBuffer = Size;

+    return NULL;

+  }

+

+  Status = mPcd->SetPtr (TokenNumber, *SizeOfBuffer, Buffer);

 

   ASSERT_EFI_ERROR (Status);

 

@@ -678,34 +697,45 @@ LibPcdSetEx64 (
 

 

 /**

-  Sets a buffer for the token specified by TokenNumber and 

-  Guid to the value specified by Value. Value is returned.

-  If Guid is NULL, then ASSERT().

-  If Value is NULL, then ASSERT().

+  Sets a buffer for the token specified by TokenNumber to the value specified by 

+  Buffer and SizeOfValue.  Buffer is returned.  If SizeOfValue is greater than 

+  the maximum size support by TokenNumber, then set SizeOfValue to the maximum size 

+  supported by TokenNumber and return NULL to indicate that the set operation 

+  was not actually performed. 

+  

+  If SizeOfValue > 0 and Buffer is NULL, then ASSERT().

   

   @param[in]  Guid Pointer to a 128-bit unique value that 

               designates which namespace to set a value from.

   @param[in]  TokenNumber The PCD token number to set a current value for.

-  @param[in]  Value The 8-bit value to set.

+  @param[in, out] SizeOfBuffer The size, in bytes, of Buffer.

+  @param[in]  Buffer A pointer to the buffer to set.

 

-  @retval VOID * Return the value been set.

+  @retval VOID * Return the pinter to the buffer been set.

 

 **/

 VOID *

 EFIAPI

 LibPcdSetExPtr (

-  IN CONST GUID        *Guid,

-  IN UINTN             TokenNumber,

-  IN UINTN             SizeOfBuffer,

-  IN VOID              *Buffer

+  IN      CONST GUID        *Guid,

+  IN      UINTN             TokenNumber,

+  IN OUT  UINTN             *SizeOfBuffer,

+  IN      VOID              *Buffer

   )

 {

-  EFI_STATUS Status;

+  EFI_STATUS  Status;

+  UINTN       Size;

 

   ASSERT (Guid != NULL);

   ASSERT (Buffer != NULL);

 

-  Status = mPcd->SetPtrEx (Guid, TokenNumber, SizeOfBuffer, Buffer);

+  Size = LibPcdGetExSize (Guid, TokenNumber);

+  if (*SizeOfBuffer > Size) {

+    *SizeOfBuffer = Size;

+    return NULL;

+  }

+

+  Status = mPcd->SetPtrEx (Guid, TokenNumber, *SizeOfBuffer, Buffer);

 

   ASSERT_EFI_ERROR (Status);

 

@@ -849,3 +879,37 @@ LibPcdGetNextToken (
   return TokenNumber;

 }

 

+

+

+/**

+  Retrieves the next PCD token space from a token space specified by Guid.

+  Guid of NULL is reserved to mark the default local token namespace on the current

+  platform. If Guid is NULL, then the GUID of the first non-local token space of the 

+  current platform is returned. If Guid is the last non-local token space, 

+  then NULL is returned. 

+

+  If Guid is not NULL and is not a valid token space in the current platform, then ASSERT().

+

+

+  

+  @param[in]  Pointer to a 128-bit unique value that designates from which namespace 

+              to start the search.

+

+  @retval CONST GUID *  The next valid token namespace.

+

+**/

+CONST GUID*           

+EFIAPI

+LibPcdGetNextTokenSpace (

+  IN CONST GUID  *Guid

+  )

+{

+  EFI_STATUS Status;

+

+  Status = mPcd->GetNextTokenSpace (&Guid);

+

+  ASSERT_EFI_ERROR (Status);

+

+  return Guid;

+}

+

diff --git a/MdePkg/Library/PeiPcdLib/PeiPcdLib.c b/MdePkg/Library/PeiPcdLib/PeiPcdLib.c
index fca14af..a73d804 100644
--- a/MdePkg/Library/PeiPcdLib/PeiPcdLib.c
+++ b/MdePkg/Library/PeiPcdLib/PeiPcdLib.c
@@ -555,10 +555,20 @@ LibPcdSet64 (
 

 /**

   Sets a buffer for the token specified by TokenNumber to 

-  the value specified by Value. Value is returned.

-  If Value is NULL, then ASSERT().

+  the value specified by Buffer and SizeOfValue.  Buffer to

+  be set is returned. The content of the buffer could be 

+  overwritten if a Callback on SET is registered with this

+  TokenNumber.

+  

+  If SizeOfValue is greater than the maximum 

+  size support by TokenNumber, then set SizeOfValue to the 

+  maximum size supported by TokenNumber and return NULL to 

+  indicate that the set operation was not actually performed. 

+  

+  If SizeOfValue > 0 and Buffer is NULL, then ASSERT().

   

   @param[in]  TokenNumber The PCD token number to set a current value for.

+  @param[in,out] SizeOfBuffer The size, in bytes, of Buffer.

   @param[in]  Value A pointer to the buffer to set.

 

   @retval VOID* Return the pointer for the buffer been set.

@@ -567,18 +577,27 @@ LibPcdSet64 (
 VOID *

 EFIAPI

 LibPcdSetPtr (

-  IN UINTN             TokenNumber,

-  IN UINTN             SizeOfBuffer,

-  IN VOID              *Buffer

+  IN      UINTN             TokenNumber,

+  IN OUT  UINTN             *SizeOfBuffer,

+  IN      VOID              *Buffer

   )

 {

   EFI_STATUS Status;

-  PCD_PPI * PcdPpi;

+  PCD_PPI    *PcdPpi;

+  UINTN      Size;

 

   PcdPpi = GetPcdPpiPtr ();

+  

+  ASSERT ((*SizeOfBuffer > 0) && Buffer == NULL);

 

+  Size = LibPcdGetSize (TokenNumber);

+  

+  if (*SizeOfBuffer > Size) {

+    *SizeOfBuffer = Size;

+    return NULL;

+  }

 

-  Status = PcdPpi->SetPtr (TokenNumber, SizeOfBuffer, Buffer);

+  Status = PcdPpi->SetPtr (TokenNumber, *SizeOfBuffer, Buffer);

 

   ASSERT_EFI_ERROR (Status);

 

@@ -764,34 +783,45 @@ LibPcdSetEx64 (
 

 

 /**

-  Sets a buffer for the token specified by TokenNumber and 

-  Guid to the value specified by Value. Value is returned.

-  If Guid is NULL, then ASSERT().

-  If Value is NULL, then ASSERT().

+  Sets a buffer for the token specified by TokenNumber to the value specified by 

+  Buffer and SizeOfValue.  Buffer is returned.  If SizeOfValue is greater than 

+  the maximum size support by TokenNumber, then set SizeOfValue to the maximum size 

+  supported by TokenNumber and return NULL to indicate that the set operation 

+  was not actually performed. 

+  

+  If SizeOfValue > 0 and Buffer is NULL, then ASSERT().

   

   @param[in]  Guid Pointer to a 128-bit unique value that 

               designates which namespace to set a value from.

   @param[in]  TokenNumber The PCD token number to set a current value for.

-  @param[in]  Value The 8-bit value to set.

+  @param[in, out] SizeOfBuffer The size, in bytes, of Buffer.

+  @param[in]  Buffer A pointer to the buffer to set.

 

-  @retval VOID * Return the value been set.

+  @retval VOID * Return the pinter to the buffer been set.

 

 **/

 VOID *

 EFIAPI

 LibPcdSetExPtr (

-  IN CONST GUID        *Guid,

-  IN UINTN             TokenNumber,

-  IN UINTN             SizeOfBuffer,

-  IN VOID              *Buffer

+  IN      CONST GUID        *Guid,

+  IN      UINTN             TokenNumber,

+  IN OUT  UINTN             *SizeOfBuffer,

+  IN      VOID              *Buffer

   )

 {

-  EFI_STATUS Status;

-  PCD_PPI * PcdPpi;

+  EFI_STATUS      Status;

+  PCD_PPI         *PcdPpi;

+  UINTN           Size;

 

   PcdPpi = GetPcdPpiPtr ();

 

-  Status = PcdPpi->SetPtrEx (Guid, TokenNumber, SizeOfBuffer, Buffer);

+  Size = LibPcdGetExSize (Guid, TokenNumber);

+  if (*SizeOfBuffer > Size) {

+    *SizeOfBuffer = Size;

+    return NULL;

+  }

+

+  Status = PcdPpi->SetPtrEx (Guid, TokenNumber, *SizeOfBuffer, Buffer);

 

   ASSERT_EFI_ERROR (Status);

 

@@ -944,3 +974,41 @@ LibPcdGetNextToken (
 

   return TokenNumber;

 }

+

+

+/**

+  Retrieves the next PCD token space from a token space specified by Guid.

+  Guid of NULL is reserved to mark the default local token namespace on the current

+  platform. If Guid is NULL, then the GUID of the first non-local token space of the 

+  current platform is returned. If Guid is the last non-local token space, 

+  then NULL is returned. 

+

+  If Guid is not NULL and is not a valid token space in the current platform, then ASSERT().

+

+

+  

+  @param[in]  Pointer to a 128-bit unique value that designates from which namespace 

+              to start the search.

+

+  @retval CONST GUID *  The next valid token namespace.

+

+**/

+CONST GUID*           

+EFIAPI

+LibPcdGetNextTokenSpace (

+  IN CONST GUID  *Guid

+  )

+{

+  EFI_STATUS Status;

+  PCD_PPI * PcdPpi;

+

+  PcdPpi = GetPcdPpiPtr ();

+

+

+  Status = PcdPpi->GetNextTokenSpace (&Guid);

+

+  ASSERT_EFI_ERROR (Status);

+

+  return Guid;

+}

+

diff --git a/Tools/Source/GenBuild/org/tianocore/build/pcd/action/CollectPCDAction.java b/Tools/Source/GenBuild/org/tianocore/build/pcd/action/CollectPCDAction.java
index cf94885..f6ea239 100644
--- a/Tools/Source/GenBuild/org/tianocore/build/pcd/action/CollectPCDAction.java
+++ b/Tools/Source/GenBuild/org/tianocore/build/pcd/action/CollectPCDAction.java
@@ -1684,7 +1684,14 @@ class PcdDatabase {
                     */

                 s += tab + tab + String.format("{ %s }", t.skuData.get(i).value.vpdOffset);

             } else {

-                s += tab + tab + String.format("{ %s }", t.skuData.get(i).value.value);

+                if (t.isByteStreamType()) {

+                    //

+                    // Byte stream type input has their own "{" "}", so we won't help to insert.

+                    //

+                    s += tab + tab + String.format(" %s ", t.skuData.get(i).value.value);

+                } else {

+                    s += tab + tab + String.format("{ %s }", t.skuData.get(i).value.value);

+                }

             }

             

             if (i != t.skuData.size() - 1) {

diff --git a/Tools/Source/GenBuild/org/tianocore/build/pcd/entity/DynamicTokenValue.java b/Tools/Source/GenBuild/org/tianocore/build/pcd/entity/DynamicTokenValue.java
index 54c8957..65c15a5 100644
--- a/Tools/Source/GenBuild/org/tianocore/build/pcd/entity/DynamicTokenValue.java
+++ b/Tools/Source/GenBuild/org/tianocore/build/pcd/entity/DynamicTokenValue.java
@@ -15,10 +15,7 @@ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
 **/  

 package org.tianocore.build.pcd.entity;

 

-import java.util.ArrayList;

-import java.util.HashMap;

 import java.util.List;

-import java.util.Map;

 import java.util.UUID;

 

 import org.tianocore.build.pcd.exception.EntityException;

diff --git a/Tools/Source/GenBuild/org/tianocore/build/pcd/entity/Token.java b/Tools/Source/GenBuild/org/tianocore/build/pcd/entity/Token.java
index 7d1e019..46a90cb 100644
--- a/Tools/Source/GenBuild/org/tianocore/build/pcd/entity/Token.java
+++ b/Tools/Source/GenBuild/org/tianocore/build/pcd/entity/Token.java
@@ -707,6 +707,23 @@ public class Token {
 

         return false;

     }

+    

+    public boolean isByteStreamType () {

+        String str = getDynamicDefaultValue();

+

+        if (str == null) {

+            return false;

+        }

+

+        if (datumType == Token.DATUM_TYPE.POINTER &&

+            str.startsWith("{") && 

+            str.endsWith("}")) {

+            return true;

+        }

+

+        return false;

+        

+    }

 

     public String getStringTypeString () {                       

         return getDefaultSku().value.substring(2, getDefaultSku().value.length() - 1);