diff options
| author | vanjeff <vanjeff@6f19259b-4bc3-4df7-8a09-765794883524> | 2007-07-03 08:28:05 +0000 |
|---|---|---|
| committer | vanjeff <vanjeff@6f19259b-4bc3-4df7-8a09-765794883524> | 2007-07-03 08:28:05 +0000 |
| commit | 80408db0ca4e3d40b37c0f3a710ad4828e26f5f4 (patch) | |
| tree | cbfcc847096bbacb6cbb2774514db3e6de18f921 /MdeModulePkg/Universal/PCD/Dxe/Service.c | |
| parent | 5e51d10e2cae33b86236de4c6f209dad3681cfb4 (diff) | |
| download | edk2-platforms-80408db0ca4e3d40b37c0f3a710ad4828e26f5f4.tar.xz | |
Import PCD dxe and PCD pei modules.
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@2994 6f19259b-4bc3-4df7-8a09-765794883524
Diffstat (limited to 'MdeModulePkg/Universal/PCD/Dxe/Service.c')
| -rw-r--r-- | MdeModulePkg/Universal/PCD/Dxe/Service.c | 1158 |
1 files changed, 1158 insertions, 0 deletions
diff --git a/MdeModulePkg/Universal/PCD/Dxe/Service.c b/MdeModulePkg/Universal/PCD/Dxe/Service.c new file mode 100644 index 0000000000..96a40291af --- /dev/null +++ b/MdeModulePkg/Universal/PCD/Dxe/Service.c @@ -0,0 +1,1158 @@ +/** @file
+Private functions used by PCD DXE driver.
+
+Copyright (c) 2006 - 2007, Intel Corporation
+All rights reserved. This program and the accompanying materials
+are licensed and made available under the terms and conditions of the BSD License
+which 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.
+
+
+Module Name: Service.c
+
+**/
+//
+// Include common header file for this module.
+//
+#include "CommonHeader.h"
+
+#include "Service.h"
+
+
+PCD_DATABASE * mPcdDatabase;
+
+LIST_ENTRY *mCallbackFnTable;
+
+VOID *
+GetWorker (
+ UINTN TokenNumber,
+ UINTN GetSize
+ )
+{
+ UINT32 *LocalTokenNumberTable;
+ EFI_GUID *GuidTable;
+ UINT16 *StringTable;
+ EFI_GUID *Guid;
+ UINT16 *Name;
+ VARIABLE_HEAD *VariableHead;
+ UINT8 *VaraiableDefaultBuffer;
+ UINT8 *Data;
+ VPD_HEAD *VpdHead;
+ UINT8 *PcdDb;
+ VOID *RetPtr;
+ UINTN MaxSize;
+ UINTN TmpTokenNumber;
+ UINTN DataSize;
+ EFI_STATUS Status;
+ UINT32 LocalTokenNumber;
+ UINT32 Offset;
+ UINT16 StringTableIdx;
+ BOOLEAN IsPeiDb;
+
+ //
+ // Aquire lock to prevent reentrance from TPL_CALLBACK level
+ //
+ EfiAcquireLock (&mPcdDatabaseLock);
+
+ RetPtr = NULL;
+ //
+ // TokenNumber Zero is reserved as PCD_INVALID_TOKEN_NUMBER.
+ // We have to decrement TokenNumber by 1 to make it usable
+ // as the array index.
+ //
+ TokenNumber--;
+
+ TmpTokenNumber = TokenNumber;
+
+ //
+ // PCD_TOTAL_TOKEN_NUMBER is a auto-generated constant.
+ // It could be zero. EBC compiler is very choosy. It may
+ // report warning. So we add 1 in each size of the
+ // comparison.
+ //
+ ASSERT (TokenNumber + 1 < PCD_TOTAL_TOKEN_NUMBER + 1);
+
+ ASSERT ((GetSize == DxePcdGetSize (TokenNumber + 1)) || (GetSize == 0));
+
+ // EBC compiler is very choosy. It may report warning about comparison
+ // between UINTN and 0 . So we add 1 in each size of the
+ // comparison.
+ IsPeiDb = (BOOLEAN) ((TokenNumber + 1 < PEI_LOCAL_TOKEN_NUMBER + 1) ? TRUE : FALSE);
+
+ LocalTokenNumberTable = IsPeiDb ? mPcdDatabase->PeiDb.Init.LocalTokenNumberTable :
+ mPcdDatabase->DxeDb.Init.LocalTokenNumberTable;
+
+ TokenNumber = IsPeiDb ? TokenNumber :
+ TokenNumber - PEI_LOCAL_TOKEN_NUMBER;
+
+ LocalTokenNumber = LocalTokenNumberTable[TokenNumber];
+
+ if ((LocalTokenNumber & PCD_TYPE_SKU_ENABLED) == PCD_TYPE_SKU_ENABLED) {
+ if (GetSize == 0) {
+ GetPtrTypeSize (TmpTokenNumber, &MaxSize);
+ } else {
+ MaxSize = GetSize;
+ }
+ LocalTokenNumber = GetSkuEnabledTokenNumber (LocalTokenNumber & ~PCD_TYPE_SKU_ENABLED, MaxSize, IsPeiDb);
+ }
+
+ PcdDb = IsPeiDb ? ((UINT8 *) &mPcdDatabase->PeiDb) : ((UINT8 *) &mPcdDatabase->DxeDb);
+ StringTable = IsPeiDb ? mPcdDatabase->PeiDb.Init.StringTable :
+ mPcdDatabase->DxeDb.Init.StringTable;
+
+ Offset = LocalTokenNumber & PCD_DATABASE_OFFSET_MASK;
+
+ switch (LocalTokenNumber & PCD_TYPE_ALL_SET) {
+ case PCD_TYPE_VPD:
+ VpdHead = (VPD_HEAD *) ((UINT8 *) PcdDb + Offset);
+ RetPtr = (VOID *) (UINTN) (FixedPcdGet32(PcdVpdBaseAddress) + VpdHead->Offset);
+ break;
+
+ case PCD_TYPE_HII:
+ GuidTable = IsPeiDb ? mPcdDatabase->PeiDb.Init.GuidTable :
+ mPcdDatabase->DxeDb.Init.GuidTable;
+
+ VariableHead = (VARIABLE_HEAD *) (PcdDb + Offset);
+
+ Guid = &(GuidTable[VariableHead->GuidTableIndex]);
+ Name = &(StringTable[VariableHead->StringIndex]);
+ VaraiableDefaultBuffer = (UINT8 *) PcdDb + VariableHead->DefaultValueOffset;
+
+ Status = GetHiiVariable (Guid, Name, &Data, &DataSize);
+ if (Status == EFI_SUCCESS) {
+ if (GetSize == 0) {
+ //
+ // It is a pointer type. So get the MaxSize reserved for
+ // this PCD entry.
+ //
+ GetPtrTypeSize (TmpTokenNumber, &GetSize);
+ }
+ CopyMem (VaraiableDefaultBuffer, Data + VariableHead->Offset, GetSize);
+ FreePool (Data);
+ }
+ //
+ // If the operation is successful, we copy the data
+ // to the default value buffer in the PCD Database.
+ // So that we can free the Data allocated in GetHiiVariable.
+ //
+ //
+ // If the operation is not successful,
+ // Return 1) either the default value specified by Platform Integrator
+ // 2) Or the value Set by a PCD set operation.
+ //
+ RetPtr = (VOID *) VaraiableDefaultBuffer;
+ break;
+
+ case PCD_TYPE_STRING:
+ StringTableIdx = (UINT16) *((UINT8 *) PcdDb + Offset);
+ RetPtr = (VOID *) &StringTable[StringTableIdx];
+ break;
+
+ case PCD_TYPE_DATA:
+ RetPtr = (VOID *) ((UINT8 *) PcdDb + Offset);
+ break;
+
+ default:
+ ASSERT (FALSE);
+ break;
+
+ }
+
+ EfiReleaseLock (&mPcdDatabaseLock);
+
+ return RetPtr;
+
+}
+
+
+
+EFI_STATUS
+DxeRegisterCallBackWorker (
+ IN UINTN TokenNumber,
+ IN CONST GUID *Guid, OPTIONAL
+ IN PCD_PROTOCOL_CALLBACK CallBackFunction
+)
+{
+ CALLBACK_FN_ENTRY *FnTableEntry;
+ LIST_ENTRY *ListHead;
+ LIST_ENTRY *ListNode;
+
+ if (Guid != NULL) {
+ TokenNumber = GetExPcdTokenNumber (Guid, (UINT32) TokenNumber);
+ }
+
+ //
+ // TokenNumber Zero is reserved as PCD_INVALID_TOKEN_NUMBER.
+ // We have to decrement TokenNumber by 1 to make it usable
+ // as the array index.
+ //
+ TokenNumber--;
+
+ ListHead = &mCallbackFnTable[TokenNumber];
+ ListNode = GetFirstNode (ListHead);
+
+ while (ListNode != ListHead) {
+ FnTableEntry = CR_FNENTRY_FROM_LISTNODE(ListNode, CALLBACK_FN_ENTRY, Node);
+
+ if (FnTableEntry->CallbackFn == CallBackFunction) {
+ //
+ // We only allow a Callback function to be register once
+ // for a TokenNumber. So just return EFI_SUCCESS
+ //
+ return EFI_SUCCESS;
+ }
+ ListNode = GetNextNode (ListHead, ListNode);
+ }
+
+ FnTableEntry = AllocatePool (sizeof(CALLBACK_FN_ENTRY));
+ ASSERT (FnTableEntry != NULL);
+
+ FnTableEntry->CallbackFn = CallBackFunction;
+ InsertTailList (ListHead, &FnTableEntry->Node);
+
+ return EFI_SUCCESS;
+}
+
+
+
+
+EFI_STATUS
+DxeUnRegisterCallBackWorker (
+ IN UINTN TokenNumber,
+ IN CONST GUID *Guid, OPTIONAL
+ IN PCD_PROTOCOL_CALLBACK CallBackFunction
+)
+{
+ CALLBACK_FN_ENTRY *FnTableEntry;
+ LIST_ENTRY *ListHead;
+ LIST_ENTRY *ListNode;
+
+ if (Guid != NULL) {
+ TokenNumber = GetExPcdTokenNumber (Guid, (UINT32) TokenNumber);
+ }
+
+ //
+ // TokenNumber Zero is reserved as PCD_INVALID_TOKEN_NUMBER.
+ // We have to decrement TokenNumber by 1 to make it usable
+ // as the array index.
+ //
+ TokenNumber--;
+
+ ListHead = &mCallbackFnTable[TokenNumber];
+ ListNode = GetFirstNode (ListHead);
+
+ while (ListNode != ListHead) {
+ FnTableEntry = CR_FNENTRY_FROM_LISTNODE(ListNode, CALLBACK_FN_ENTRY, Node);
+
+ if (FnTableEntry->CallbackFn == CallBackFunction) {
+ //
+ // We only allow a Callback function to be register once
+ // for a TokenNumber. So we can safely remove the Node from
+ // the Link List and return EFI_SUCCESS.
+ //
+ RemoveEntryList (ListNode);
+ FreePool (FnTableEntry);
+
+ return EFI_SUCCESS;
+ }
+ ListNode = GetNextNode (ListHead, ListNode);
+ }
+
+ return EFI_INVALID_PARAMETER;
+}
+
+
+
+EFI_STATUS
+ExGetNextTokeNumber (
+ IN CONST EFI_GUID *Guid,
+ IN OUT UINTN *TokenNumber,
+ IN EFI_GUID *GuidTable,
+ IN UINTN SizeOfGuidTable,
+ IN DYNAMICEX_MAPPING *ExMapTable,
+ IN UINTN SizeOfExMapTable
+ )
+{
+ EFI_GUID *MatchGuid;
+ UINTN Idx;
+ UINTN GuidTableIdx;
+ BOOLEAN Found;
+
+ MatchGuid = ScanGuid (GuidTable, SizeOfGuidTable, Guid);
+ if (MatchGuid == NULL) {
+ return EFI_NOT_FOUND;
+ }
+
+ Found = FALSE;
+ GuidTableIdx = MatchGuid - GuidTable;
+ for (Idx = 0; Idx < SizeOfExMapTable; Idx++) {
+ if (ExMapTable[Idx].ExGuidIndex == GuidTableIdx) {
+ Found = TRUE;
+ break;
+ }
+ }
+
+ if (Found) {
+ if (*TokenNumber == PCD_INVALID_TOKEN_NUMBER) {
+ *TokenNumber = ExMapTable[Idx].ExTokenNumber;
+ return EFI_SUCCESS;
+ }
+
+ for ( ; Idx < SizeOfExMapTable; Idx++) {
+ if (ExMapTable[Idx].ExTokenNumber == *TokenNumber) {
+ Idx++;
+ if (Idx == SizeOfExMapTable) {
+ //
+ // Exceed the length of ExMap Table
+ //
+ *TokenNumber = PCD_INVALID_TOKEN_NUMBER;
+ return EFI_SUCCESS;
+ } else if (ExMapTable[Idx].ExGuidIndex == GuidTableIdx) {
+ //
+ // Found the next match
+ //
+ *TokenNumber = ExMapTable[Idx].ExTokenNumber;
+ return EFI_SUCCESS;
+ } else {
+ //
+ // Guid has been changed. It is the next Token Space Guid.
+ // We should flag no more TokenNumber.
+ //
+ *TokenNumber = PCD_INVALID_TOKEN_NUMBER;
+ return EFI_SUCCESS;
+ }
+ }
+ }
+ }
+
+ return EFI_NOT_FOUND;
+}
+
+
+
+
+VOID
+BuildPcdDxeDataBase (
+ VOID
+ )
+{
+ PEI_PCD_DATABASE *PeiDatabase;
+ EFI_HOB_GUID_TYPE *GuidHob;
+ UINTN Idx;
+
+ mPcdDatabase = AllocateZeroPool (sizeof(PCD_DATABASE));
+ ASSERT (mPcdDatabase != NULL);
+
+ GuidHob = GetFirstGuidHob (&gPcdDataBaseHobGuid);
+ if (GuidHob != NULL) {
+
+ //
+ // We will copy over the PEI phase's PCD Database.
+ //
+ // If no PEIMs use dynamic Pcd Entry, the Pcd Service PEIM
+ // should not be included at all. So the GuidHob could
+ // be NULL. If it is NULL, we just copy over the DXE Default
+ // Value to PCD Database.
+ //
+
+ PeiDatabase = (PEI_PCD_DATABASE *) GET_GUID_HOB_DATA (GuidHob);
+ //
+ // Copy PCD Entries refereneced in PEI phase to PCD DATABASE
+ //
+ CopyMem (&mPcdDatabase->PeiDb, PeiDatabase, sizeof (PEI_PCD_DATABASE));
+ }
+
+ //
+ // Copy PCD Entries with default value to PCD DATABASE
+ //
+ CopyMem (&mPcdDatabase->DxeDb.Init, &gDXEPcdDbInit, sizeof(DXE_PCD_DATABASE_INIT));
+
+
+ //
+ // Initialized the Callback Function Table
+ //
+
+ mCallbackFnTable = AllocateZeroPool (PCD_TOTAL_TOKEN_NUMBER * sizeof (LIST_ENTRY));
+
+ // EBC compiler is very choosy. It may report warning about comparison
+ // between UINTN and 0 . So we add 1 in each size of the
+ // comparison.
+ for (Idx = 0; Idx + 1 < PCD_TOTAL_TOKEN_NUMBER + 1; Idx++) {
+ InitializeListHead (&mCallbackFnTable[Idx]);
+ }
+
+ return;
+}
+
+
+
+EFI_STATUS
+GetHiiVariable (
+ IN EFI_GUID *VariableGuid,
+ IN UINT16 *VariableName,
+ OUT UINT8 **VariableData,
+ OUT UINTN *VariableSize
+ )
+{
+ UINTN Size;
+ EFI_STATUS Status;
+ UINT8 *Buffer;
+
+ Size = 0;
+ Buffer = NULL;
+
+ Status = gRT->GetVariable (
+ (UINT16 *)VariableName,
+ VariableGuid,
+ NULL,
+ &Size,
+ Buffer
+ );
+
+ if (Status == EFI_BUFFER_TOO_SMALL) {
+ Buffer = (UINT8 *) AllocatePool (Size);
+
+ ASSERT (Buffer != NULL);
+
+ Status = gRT->GetVariable (
+ VariableName,
+ VariableGuid,
+ NULL,
+ &Size,
+ Buffer
+ );
+
+ ASSERT (Status == EFI_SUCCESS);
+ *VariableData = Buffer;
+ *VariableSize = Size;
+ }
+
+ return Status;
+}
+
+
+UINT32
+GetSkuEnabledTokenNumber (
+ UINT32 LocalTokenNumber,
+ UINTN Size,
+ BOOLEAN IsPeiDb
+ )
+{
+ SKU_HEAD *SkuHead;
+ SKU_ID *SkuIdTable;
+ INTN i;
+ UINT8 *Value;
+ SKU_ID *PhaseSkuIdTable;
+ UINT8 *PcdDb;
+
+ ASSERT ((LocalTokenNumber & PCD_TYPE_SKU_ENABLED) == 0);
+
+ PcdDb = IsPeiDb ? (UINT8 *) &mPcdDatabase->PeiDb : (UINT8 *) &mPcdDatabase->DxeDb;
+
+ SkuHead = (SKU_HEAD *) (PcdDb + (LocalTokenNumber & PCD_DATABASE_OFFSET_MASK));
+ Value = (UINT8 *) (PcdDb + SkuHead->SkuDataStartOffset);
+
+ PhaseSkuIdTable = IsPeiDb ? mPcdDatabase->PeiDb.Init.SkuIdTable :
+ mPcdDatabase->DxeDb.Init.SkuIdTable;
+
+ SkuIdTable = &PhaseSkuIdTable[SkuHead->SkuIdTableOffset];
+
+ for (i = 0; i < SkuIdTable[0]; i++) {
+ if (mPcdDatabase->PeiDb.Init.SystemSkuId == SkuIdTable[i + 1]) {
+ break;
+ }
+ }
+ ASSERT (i < SkuIdTable[0]);
+
+ switch (LocalTokenNumber & PCD_TYPE_ALL_SET) {
+ case PCD_TYPE_VPD:
+ Value = (UINT8 *) &(((VPD_HEAD *) Value)[i]);
+ return (UINT32) ((Value - PcdDb) | PCD_TYPE_VPD);
+
+ case PCD_TYPE_HII:
+ Value = (UINT8 *) &(((VARIABLE_HEAD *) Value)[i]);
+ return (UINT32) ((Value - PcdDb) | PCD_TYPE_HII);
+
+ case PCD_TYPE_STRING:
+ Value = (UINT8 *) &(((STRING_HEAD *) Value)[i]);
+ return (UINT32) ((Value - PcdDb) | PCD_TYPE_STRING);
+
+ case PCD_TYPE_DATA:
+ Value += Size * i;
+ return (UINT32) (Value - PcdDb);
+
+ default:
+ ASSERT (FALSE);
+ }
+
+ ASSERT (FALSE);
+
+ return 0;
+
+}
+
+
+
+
+STATIC
+VOID
+InvokeCallbackOnSet (
+ UINT32 ExTokenNumber,
+ CONST EFI_GUID *Guid, OPTIONAL
+ UINTN TokenNumber,
+ VOID *Data,
+ UINTN Size
+ )
+{
+ CALLBACK_FN_ENTRY *FnTableEntry;
+ LIST_ENTRY *ListHead;
+ LIST_ENTRY *ListNode;
+
+ //
+ // TokenNumber Zero is reserved as PCD_INVALID_TOKEN_NUMBER.
+ // We have to decrement TokenNumber by 1 to make it usable
+ // as the array index.
+ //
+ TokenNumber--;
+
+ ListHead = &mCallbackFnTable[TokenNumber];
+ ListNode = GetFirstNode (ListHead);
+
+ while (ListNode != ListHead) {
+ FnTableEntry = CR_FNENTRY_FROM_LISTNODE(ListNode, CALLBACK_FN_ENTRY, Node);
+
+ FnTableEntry->CallbackFn(Guid,
+ (Guid == NULL) ? TokenNumber : ExTokenNumber,
+ Data,
+ Size);
+
+ ListNode = GetNextNode (ListHead, ListNode);
+ }
+
+ return;
+}
+
+
+EFI_STATUS
+SetValueWorker (
+ IN UINTN TokenNumber,
+ IN VOID *Data,
+ IN UINTN Size
+ )
+{
+ return SetWorker (TokenNumber, Data, &Size, FALSE);
+}
+
+
+EFI_STATUS
+SetWorker (
+ IN UINTN TokenNumber,
+ IN VOID *Data,
+ IN OUT UINTN *Size,
+ IN BOOLEAN PtrType
+ )
+{
+ UINT32 *LocalTokenNumberTable;
+ BOOLEAN IsPeiDb;
+ UINT32 LocalTokenNumber;
+ EFI_GUID *GuidTable;
+ UINT16 *StringTable;
+ EFI_GUID *Guid;
+ UINT16 *Name;
+ UINTN VariableOffset;
+ VOID *InternalData;
+ VARIABLE_HEAD *VariableHead;
+ UINTN Offset;
+ UINT8 *PcdDb;
+ EFI_STATUS Status;
+ UINTN MaxSize;
+ UINTN TmpTokenNumber;
+
+ //
+ // Aquire lock to prevent reentrance from TPL_CALLBACK level
+ //
+ EfiAcquireLock (&mPcdDatabaseLock);
+
+ //
+ // TokenNumber Zero is reserved as PCD_INVALID_TOKEN_NUMBER.
+ // We have to decrement TokenNumber by 1 to make it usable
+ // as the array index.
+ //
+ TokenNumber--;
+
+ TmpTokenNumber = TokenNumber;
+
+ // EBC compiler is very choosy. It may report warning about comparison
+ // between UINTN and 0 . So we add 1 in each size of the
+ // comparison.
+
+ ASSERT (TokenNumber + 1 < PCD_TOTAL_TOKEN_NUMBER + 1);
+
+ if (!PtrType) {
+ ASSERT (*Size == DxePcdGetSize (TokenNumber + 1));
+ }
+
+ // EBC compiler is very choosy. It may report warning about comparison
+ // between UINTN and 0 . So we add 1 in each size of the
+ // comparison.
+ IsPeiDb = (BOOLEAN) ((TokenNumber + 1 < PEI_LOCAL_TOKEN_NUMBER + 1) ? TRUE : FALSE);
+
+ LocalTokenNumberTable = IsPeiDb ? mPcdDatabase->PeiDb.Init.LocalTokenNumberTable :
+ mPcdDatabase->DxeDb.Init.LocalTokenNumberTable;
+
+ // EBC compiler is very choosy. It may report warning about comparison
+ // between UINTN and 0 . So we add 1 in each size of the
+ // comparison.
+ if ((TokenNumber + 1 < PEI_NEX_TOKEN_NUMBER + 1) ||
+ (TokenNumber + 1 >= PEI_LOCAL_TOKEN_NUMBER + 1 || TokenNumber + 1 < (PEI_LOCAL_TOKEN_NUMBER + DXE_NEX_TOKEN_NUMBER + 1))) {
+ InvokeCallbackOnSet (0, NULL, TokenNumber + 1, Data, *Size);
+ }
+
+ TokenNumber = IsPeiDb ? TokenNumber
+ : TokenNumber - PEI_LOCAL_TOKEN_NUMBER;
+
+ LocalTokenNumber = LocalTokenNumberTable[TokenNumber];
+
+ if ((LocalTokenNumber & PCD_TYPE_SKU_ENABLED) == PCD_TYPE_SKU_ENABLED) {
+ if (PtrType) {
+ GetPtrTypeSize (TmpTokenNumber, &MaxSize);
+ } else {
+ MaxSize = *Size;
+ }
+ LocalTokenNumber = GetSkuEnabledTokenNumber (LocalTokenNumber & ~PCD_TYPE_SKU_ENABLED, MaxSize, IsPeiDb);
+ }
+
+ Offset = LocalTokenNumber & PCD_DATABASE_OFFSET_MASK;
+
+ PcdDb = IsPeiDb ? ((UINT8 *) &mPcdDatabase->PeiDb) : ((UINT8 *) &mPcdDatabase->DxeDb);
+
+ StringTable = IsPeiDb ? mPcdDatabase->PeiDb.Init.StringTable :
+ mPcdDatabase->DxeDb.Init.StringTable;
+
+ InternalData = PcdDb + Offset;
+
+ switch (LocalTokenNumber & PCD_TYPE_ALL_SET) {
+ case PCD_TYPE_VPD:
+ ASSERT (FALSE);
+ Status = EFI_INVALID_PARAMETER;
+ break;
+
+ case PCD_TYPE_STRING:
+ if (SetPtrTypeSize (TmpTokenNumber, Size)) {
+ CopyMem (&StringTable[*((UINT16 *)InternalData)], Data, *Size);
+ Status = EFI_SUCCESS;
+ } else {
+ Status = EFI_INVALID_PARAMETER;
+ }
+ break;
+
+ case PCD_TYPE_HII:
+ if (PtrType) {
+ if (!SetPtrTypeSize (TmpTokenNumber, Size)) {
+ Status = EFI_INVALID_PARAMETER;
+ break;
+ }
+ }
+
+ GuidTable = IsPeiDb ? mPcdDatabase->PeiDb.Init.GuidTable :
+ mPcdDatabase->DxeDb.Init.GuidTable;
+
+ VariableHead = (VARIABLE_HEAD *) (PcdDb + Offset);
+
+ Guid = &(GuidTable[VariableHead->GuidTableIndex]);
+ Name = &(StringTable[VariableHead->StringIndex]);
+ VariableOffset = VariableHead->Offset;
+
+ Status = SetHiiVariable (Guid, Name, Data, *Size, VariableOffset);
+
+ if (EFI_NOT_FOUND == Status) {
+ CopyMem (PcdDb + VariableHead->DefaultValueOffset, Data, *Size);
+ Status = EFI_SUCCESS;
+ }
+ break;
+
+ case PCD_TYPE_DATA:
+ if (PtrType) {
+ if (SetPtrTypeSize (TmpTokenNumber, Size)) {
+ CopyMem (InternalData, Data, *Size);
+ Status = EFI_SUCCESS;
+ } else {
+ Status = EFI_INVALID_PARAMETER;
+ }
+ break;
+ }
+
+ Status = EFI_SUCCESS;
+ switch (*Size) {
+ case sizeof(UINT8):
+ *((UINT8 *) InternalData) = *((UINT8 *) Data);
+ break;
+
+ case sizeof(UINT16):
+ *((UINT16 *) InternalData) = *((UINT16 *) Data);
+ break;
+
+ case sizeof(UINT32):
+ *((UINT32 *) InternalData) = *((UINT32 *) Data);
+ break;
+
+ case sizeof(UINT64):
+ *((UINT64 *) InternalData) = *((UINT64 *) Data);
+ break;
+
+ default:
+ ASSERT (FALSE);
+ Status = EFI_NOT_FOUND;
+ break;
+ }
+ break;
+
+ default:
+ ASSERT (FALSE);
+ Status = EFI_NOT_FOUND;
+ break;
+ }
+
+ EfiReleaseLock (&mPcdDatabaseLock);
+
+ return Status;
+}
+
+
+
+
+
+VOID *
+ExGetWorker (
+ IN CONST EFI_GUID *Guid,
+ IN UINTN ExTokenNumber,
+ IN UINTN GetSize
+ )
+{
+ return GetWorker(GetExPcdTokenNumber (Guid, (UINT32) ExTokenNumber), GetSize);
+}
+
+
+
+
+EFI_STATUS
+ExSetValueWorker (
+ IN UINTN ExTokenNumber,
+ IN CONST EFI_GUID *Guid,
+ IN VOID *Data,
+ IN UINTN SetSize
+ )
+{
+ return ExSetWorker (ExTokenNumber, Guid, Data, &SetSize, FALSE);
+}
+
+
+EFI_STATUS
+ExSetWorker (
+ IN UINTN ExTokenNumber,
+ IN CONST EFI_GUID *Guid,
+ IN VOID *Data,
+ IN OUT UINTN *SetSize,
+ IN BOOLEAN PtrType
+ )
+{
+ UINTN TokenNumber;
+
+ TokenNumber = GetExPcdTokenNumber (Guid, (UINT32) ExTokenNumber);
+
+ InvokeCallbackOnSet ((UINT32) ExTokenNumber, Guid, TokenNumber, Data, *SetSize);
+
+ return SetWorker (TokenNumber, Data, SetSize, PtrType);
+
+}
+
+
+
+
+EFI_STATUS
+SetHiiVariable (
+ IN EFI_GUID *VariableGuid,
+ IN UINT16 *VariableName,
+ IN CONST VOID *Data,
+ IN UINTN DataSize,
+ IN UINTN Offset
+ )
+{
+ UINTN Size;
+ VOID *Buffer;
+ EFI_STATUS Status;
+ UINT32 Attribute;
+
+ Size = 0;
+
+ Status = gRT->GetVariable (
+ (UINT16 *)VariableName,
+ VariableGuid,
+ NULL,
+ &Size,
+ NULL
+ );
+
+ if (Status == EFI_BUFFER_TOO_SMALL) {
+
+ Buffer = AllocatePool (Size);
+
+ ASSERT (Buffer != NULL);
+
+ Status = gRT->GetVariable (
+ VariableName,
+ VariableGuid,
+ &Attribute,
+ &Size,
+ Buffer
+ );
+
+ ASSERT_EFI_ERROR (Status);
+
+ CopyMem ((UINT8 *)Buffer + Offset, Data, DataSize);
+
+ Status = gRT->SetVariable (
+ VariableName,
+ VariableGuid,
+ Attribute,
+ Size,
+ Buffer
+ );
+
+ FreePool (Buffer);
+ return Status;
+
+ }
+
+ //
+ // If we drop to here, we don't have a Variable entry in
+ // the variable service yet. So, we will save the data
+ // in the PCD Database's volatile area.
+ //
+ return Status;
+}
+
+
+
+
+
+UINTN
+GetExPcdTokenNumber (
+ IN CONST EFI_GUID *Guid,
+ IN UINT32 ExTokenNumber
+ )
+{
+ UINT32 i;
+ DYNAMICEX_MAPPING *ExMap;
+ EFI_GUID *GuidTable;
+ EFI_GUID *MatchGuid;
+ UINTN MatchGuidIdx;
+
+ if (!PEI_DATABASE_EMPTY) {
+ ExMap = mPcdDatabase->PeiDb.Init.ExMapTable;
+ GuidTable = mPcdDatabase->PeiDb.Init.GuidTable;
+
+ MatchGuid = ScanGuid (GuidTable, sizeof(mPcdDatabase->PeiDb.Init.GuidTable), Guid);
+
+ if (MatchGuid != NULL) {
+
+ MatchGuidIdx = MatchGuid - GuidTable;
+
+ for (i = 0; i < PEI_EXMAPPING_TABLE_SIZE; i++) {
+ if ((ExTokenNumber == ExMap[i].ExTokenNumber) &&
+ (MatchGuidIdx == ExMap[i].ExGuidIndex)) {
+ return ExMap[i].LocalTokenNumber;
+
+ }
+ }
+ }
+ }
+
+ ExMap = mPcdDatabase->DxeDb.Init.ExMapTable;
+ GuidTable = mPcdDatabase->DxeDb.Init.GuidTable;
+
+ MatchGuid = ScanGuid (GuidTable, sizeof(mPcdDatabase->DxeDb.Init.GuidTable), Guid);
+ //
+ // We need to ASSERT here. If GUID can't be found in GuidTable, this is a
+ // error in the BUILD system.
+ //
+ ASSERT (MatchGuid != NULL);
+
+ MatchGuidIdx = MatchGuid - GuidTable;
+
+ for (i = 0; i < DXE_EXMAPPING_TABLE_SIZE; i++) {
+ if ((ExTokenNumber == ExMap[i].ExTokenNumber) &&
+ (MatchGuidIdx == ExMap[i].ExGuidIndex)) {
+ return ExMap[i].LocalTokenNumber;
+ }
+ }
+
+ ASSERT (FALSE);
+
+ return 0;
+}
+
+
+STATIC
+SKU_ID *
+GetSkuIdArray (
+ IN UINTN LocalTokenNumberTableIdx,
+ IN BOOLEAN IsPeiPcd
+ )
+{
+ SKU_HEAD *SkuHead;
+ UINTN LocalTokenNumber;
+ UINT8 *Database;
+
+ if (IsPeiPcd) {
+ LocalTokenNumber = mPcdDatabase->PeiDb.Init.LocalTokenNumberTable[LocalTokenNumberTableIdx];
+ Database = (UINT8 *) &mPcdDatabase->PeiDb;
+ } else {
+ LocalTokenNumber = mPcdDatabase->DxeDb.Init.LocalTokenNumberTable[LocalTokenNumberTableIdx - PEI_LOCAL_TOKEN_NUMBER];
+ Database = (UINT8 *) &mPcdDatabase->DxeDb;
+ }
+
+ ASSERT ((LocalTokenNumber & PCD_TYPE_SKU_ENABLED) != 0);
+
+ SkuHead = (SKU_HEAD *) ((UINT8 *)Database + (LocalTokenNumber & PCD_DATABASE_OFFSET_MASK));
+
+ return (SKU_ID *) (Database + SkuHead->SkuIdTableOffset);
+
+}
+
+
+STATIC
+UINTN
+GetSizeTableIndexA (
+ IN UINTN LocalTokenNumberTableIdx,
+ IN UINT32 *LocalTokenNumberTable,
+ IN BOOLEAN IsPeiDb
+ )
+{
+ UINTN i;
+ UINTN SizeTableIdx;
+ UINTN LocalTokenNumber;
+ SKU_ID *SkuIdTable;
+
+ SizeTableIdx = 0;
+
+ for (i=0; i<LocalTokenNumberTableIdx; i++) {
+ LocalTokenNumber = LocalTokenNumberTable[i];
+
+ if ((LocalTokenNumber & PCD_DATUM_TYPE_ALL_SET) == PCD_DATUM_TYPE_POINTER) {
+ //
+ // SizeTable only contain record for PCD_DATUM_TYPE_POINTER type
+ // PCD entry.
+ //
+ if (LocalTokenNumber & PCD_TYPE_VPD) {
+ //
+ // We have only one entry for VPD enabled PCD entry:
+ // 1) MAX Size.
+ // We consider current size is equal to MAX size.
+ //
+ SizeTableIdx++;
+ } else {
+ if ((LocalTokenNumber & PCD_TYPE_SKU_ENABLED) == 0) {
+ //
+ // We have only two entry for Non-Sku enabled PCD entry:
+ // 1) MAX SIZE
+ // 2) Current Size
+ //
+ SizeTableIdx += 2;
+ } else {
+ //
+ // We have these entry for SKU enabled PCD entry
+ // 1) MAX SIZE
+ // 2) Current Size for each SKU_ID (It is equal to MaxSku).
+ //
+ SkuIdTable = GetSkuIdArray (i, IsPeiDb);
+ SizeTableIdx += (UINTN)*SkuIdTable + 1;
+ }
+ }
+ }
+
+ }
+
+ return SizeTableIdx;
+}
+
+
+
+STATIC
+UINTN
+GetSizeTableIndex (
+ IN UINTN LocalTokenNumberTableIdx,
+ IN BOOLEAN IsPeiDb
+ )
+{
+ UINT32 *LocalTokenNumberTable;
+
+ if (IsPeiDb) {
+ LocalTokenNumberTable = mPcdDatabase->PeiDb.Init.LocalTokenNumberTable;
+ } else {
+ LocalTokenNumberTable = mPcdDatabase->DxeDb.Init.LocalTokenNumberTable;
+ }
+ return GetSizeTableIndexA (LocalTokenNumberTableIdx,
+ LocalTokenNumberTable,
+ IsPeiDb);
+}
+
+
+
+UINTN
+GetPtrTypeSize (
+ IN UINTN LocalTokenNumberTableIdx,
+ OUT UINTN *MaxSize
+ )
+{
+ INTN SizeTableIdx;
+ UINTN LocalTokenNumber;
+ SKU_ID *SkuIdTable;
+ SIZE_INFO *SizeTable;
+ UINTN i;
+ BOOLEAN IsPeiDb;
+ UINT32 *LocalTokenNumberTable;
+
+ // EBC compiler is very choosy. It may report warning about comparison
+ // between UINTN and 0 . So we add 1 in each size of the
+ // comparison.
+ IsPeiDb = (BOOLEAN) (LocalTokenNumberTableIdx + 1 < PEI_LOCAL_TOKEN_NUMBER + 1);
+
+
+ if (IsPeiDb) {
+ LocalTokenNumberTable = mPcdDatabase->PeiDb.Init.LocalTokenNumberTable;
+ SizeTable = mPcdDatabase->PeiDb.Init.SizeTable;
+ } else {
+ LocalTokenNumberTableIdx -= PEI_LOCAL_TOKEN_NUMBER;
+ LocalTokenNumberTable = mPcdDatabase->DxeDb.Init.LocalTokenNumberTable;
+ SizeTable = mPcdDatabase->DxeDb.Init.SizeTable;
+ }
+
+ LocalTokenNumber = LocalTokenNumberTable[LocalTokenNumberTableIdx];
+
+ ASSERT ((LocalTokenNumber & PCD_DATUM_TYPE_ALL_SET) == PCD_DATUM_TYPE_POINTER);
+
+ SizeTableIdx = GetSizeTableIndex (LocalTokenNumberTableIdx, IsPeiDb);
+
+ *MaxSize = SizeTable[SizeTableIdx];
+ //
+ // SizeTable only contain record for PCD_DATUM_TYPE_POINTER type
+ // PCD entry.
+ //
+ if (LocalTokenNumber & PCD_TYPE_VPD) {
+ //
+ // We have only one entry for VPD enabled PCD entry:
+ // 1) MAX Size.
+ // We consider current size is equal to MAX size.
+ //
+ return *MaxSize;
+ } else {
+ if ((LocalTokenNumber & PCD_TYPE_SKU_ENABLED) == 0) {
+ //
+ // We have only two entry for Non-Sku enabled PCD entry:
+ // 1) MAX SIZE
+ // 2) Current Size
+ //
+ return SizeTable[SizeTableIdx + 1];
+ } else {
+ //
+ // We have these entry for SKU enabled PCD entry
+ // 1) MAX SIZE
+ // 2) Current Size for each SKU_ID (It is equal to MaxSku).
+ //
+ SkuIdTable = GetSkuIdArray (LocalTokenNumberTableIdx, IsPeiDb);
+ for (i = 0; i < SkuIdTable[0]; i++) {
+ if (SkuIdTable[1 + i] == mPcdDatabase->PeiDb.Init.SystemSkuId) {
+ return SizeTable[SizeTableIdx + 1 + i];
+ }
+ }
+ return SizeTable[SizeTableIdx + 1];
+ }
+ }
+}
+
+
+
+BOOLEAN
+SetPtrTypeSize (
+ IN UINTN LocalTokenNumberTableIdx,
+ IN OUT UINTN *CurrentSize
+ )
+{
+ INTN SizeTableIdx;
+ UINTN LocalTokenNumber;
+ SKU_ID *SkuIdTable;
+ SIZE_INFO *SizeTable;
+ UINTN i;
+ UINTN MaxSize;
+ BOOLEAN IsPeiDb;
+ UINT32 *LocalTokenNumberTable;
+
+ // EBC compiler is very choosy. It may report warning about comparison
+ // between UINTN and 0 . So we add 1 in each size of the
+ // comparison.
+ IsPeiDb = (BOOLEAN) (LocalTokenNumberTableIdx + 1 < PEI_LOCAL_TOKEN_NUMBER + 1);
+
+ if (IsPeiDb) {
+ LocalTokenNumberTable = mPcdDatabase->PeiDb.Init.LocalTokenNumberTable;
+ SizeTable = mPcdDatabase->PeiDb.Init.SizeTable;
+ } else {
+ LocalTokenNumberTableIdx -= PEI_LOCAL_TOKEN_NUMBER;
+ LocalTokenNumberTable = mPcdDatabase->DxeDb.Init.LocalTokenNumberTable;
+ SizeTable = mPcdDatabase->DxeDb.Init.SizeTable;
+ }
+
+ LocalTokenNumber = LocalTokenNumberTable[LocalTokenNumberTableIdx];
+
+ ASSERT ((LocalTokenNumber & PCD_DATUM_TYPE_ALL_SET) == PCD_DATUM_TYPE_POINTER);
+
+ SizeTableIdx = GetSizeTableIndex (LocalTokenNumberTableIdx, IsPeiDb);
+
+ MaxSize = SizeTable[SizeTableIdx];
+ //
+ // SizeTable only contain record for PCD_DATUM_TYPE_POINTER type
+ // PCD entry.
+ //
+ if (LocalTokenNumber & PCD_TYPE_VPD) {
+ //
+ // We shouldn't come here as we don't support SET for VPD
+ //
+ ASSERT (FALSE);
+ return FALSE;
+ } else {
+ if ((*CurrentSize > MaxSize) ||
+ (*CurrentSize == MAX_ADDRESS)) {
+ *CurrentSize = MaxSize;
+ return FALSE;
+ }
+
+ if ((LocalTokenNumber & PCD_TYPE_SKU_ENABLED) == 0) {
+ //
+ // We have only two entry for Non-Sku enabled PCD entry:
+ // 1) MAX SIZE
+ // 2) Current Size
+ //
+ SizeTable[SizeTableIdx + 1] = (SIZE_INFO) *CurrentSize;
+ return TRUE;
+ } else {
+ //
+ // We have these entry for SKU enabled PCD entry
+ // 1) MAX SIZE
+ // 2) Current Size for each SKU_ID (It is equal to MaxSku).
+ //
+ SkuIdTable = GetSkuIdArray (LocalTokenNumberTableIdx, IsPeiDb);
+ for (i = 0; i < SkuIdTable[0]; i++) {
+ if (SkuIdTable[1 + i] == mPcdDatabase->PeiDb.Init.SystemSkuId) {
+ SizeTable[SizeTableIdx + 1 + i] = (SIZE_INFO) *CurrentSize;
+ return TRUE;
+ }
+ }
+ SizeTable[SizeTableIdx + 1] = (SIZE_INFO) *CurrentSize;
+ return TRUE;
+ }
+ }
+}
+
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