e5eed7d364
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@10418 6f19259b-4bc3-4df7-8a09-765794883524
1435 lines
43 KiB
C
1435 lines
43 KiB
C
/** @file
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Help functions used by PCD DXE driver.
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Copyright (c) 2006 - 2010, Intel Corporation. All rights reserved.<BR>
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This program and the accompanying materials
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are licensed and made available under the terms and conditions of the BSD License
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which accompanies this distribution. 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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#include "Service.h"
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PCD_DATABASE *mPcdDatabase;
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LIST_ENTRY *mCallbackFnTable;
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/**
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Get the PCD entry pointer in PCD database.
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This routine will visit PCD database to find the PCD entry according to given
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token number. The given token number is autogened by build tools and it will be
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translated to local token number. Local token number contains PCD's type and
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offset of PCD entry in PCD database.
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@param TokenNumber Token's number, it is autogened by build tools
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@param GetSize The size of token's value
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@return PCD entry pointer in PCD database
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**/
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VOID *
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GetWorker (
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IN UINTN TokenNumber,
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IN UINTN GetSize
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)
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{
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UINT32 *LocalTokenNumberTable;
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EFI_GUID *GuidTable;
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UINT8 *StringTable;
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EFI_GUID *Guid;
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UINT16 *Name;
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VARIABLE_HEAD *VariableHead;
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UINT8 *VaraiableDefaultBuffer;
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UINT8 *Data;
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VPD_HEAD *VpdHead;
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UINT8 *PcdDb;
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VOID *RetPtr;
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UINTN MaxSize;
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UINTN TmpTokenNumber;
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UINTN DataSize;
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EFI_STATUS Status;
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UINT32 LocalTokenNumber;
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UINT32 Offset;
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UINT16 StringTableIdx;
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BOOLEAN IsPeiDb;
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//
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// Aquire lock to prevent reentrance from TPL_CALLBACK level
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//
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EfiAcquireLock (&mPcdDatabaseLock);
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RetPtr = NULL;
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//
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// TokenNumber Zero is reserved as PCD_INVALID_TOKEN_NUMBER.
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// We have to decrement TokenNumber by 1 to make it usable
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// as the array index.
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//
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TokenNumber--;
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TmpTokenNumber = TokenNumber;
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//
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// PCD_TOTAL_TOKEN_NUMBER is a auto-generated constant.
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// It could be zero. EBC compiler is very choosy. It may
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// report warning. So we add 1 in each size of the
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// comparison.
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//
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ASSERT (TokenNumber + 1 < PCD_TOTAL_TOKEN_NUMBER + 1);
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ASSERT ((GetSize == DxePcdGetSize (TokenNumber + 1)) || (GetSize == 0));
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// EBC compiler is very choosy. It may report warning about comparison
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// between UINTN and 0 . So we add 1 in each size of the
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// comparison.
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IsPeiDb = (BOOLEAN) ((TokenNumber + 1 < PEI_LOCAL_TOKEN_NUMBER + 1) ? TRUE : FALSE);
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LocalTokenNumberTable = IsPeiDb ? mPcdDatabase->PeiDb.Init.LocalTokenNumberTable :
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mPcdDatabase->DxeDb.Init.LocalTokenNumberTable;
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TokenNumber = IsPeiDb ? TokenNumber :
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TokenNumber - PEI_LOCAL_TOKEN_NUMBER;
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LocalTokenNumber = LocalTokenNumberTable[TokenNumber];
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if ((LocalTokenNumber & PCD_TYPE_SKU_ENABLED) == PCD_TYPE_SKU_ENABLED) {
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if (GetSize == 0) {
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GetPtrTypeSize (TmpTokenNumber, &MaxSize);
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} else {
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MaxSize = GetSize;
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}
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LocalTokenNumber = GetSkuEnabledTokenNumber (LocalTokenNumber & ~PCD_TYPE_SKU_ENABLED, MaxSize, IsPeiDb);
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}
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PcdDb = IsPeiDb ? ((UINT8 *) &mPcdDatabase->PeiDb) : ((UINT8 *) &mPcdDatabase->DxeDb);
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if (IsPeiDb) {
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StringTable = (UINT8 *) (&mPcdDatabase->PeiDb.Init.StringTable[0]);
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} else {
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StringTable = (UINT8 *) (&mPcdDatabase->DxeDb.Init.StringTable[0]);
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}
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Offset = LocalTokenNumber & PCD_DATABASE_OFFSET_MASK;
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switch (LocalTokenNumber & PCD_TYPE_ALL_SET) {
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case PCD_TYPE_VPD:
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VpdHead = (VPD_HEAD *) ((UINT8 *) PcdDb + Offset);
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RetPtr = (VOID *) (UINTN) (PcdGet32 (PcdVpdBaseAddress) + VpdHead->Offset);
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break;
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case PCD_TYPE_HII|PCD_TYPE_STRING:
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case PCD_TYPE_HII:
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if (IsPeiDb) {
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GuidTable = (EFI_GUID *) (&mPcdDatabase->PeiDb.Init.GuidTable[0]);
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} else {
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GuidTable = (EFI_GUID *) (&mPcdDatabase->DxeDb.Init.GuidTable[0]);
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}
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VariableHead = (VARIABLE_HEAD *) (PcdDb + Offset);
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Guid = GuidTable + VariableHead->GuidTableIndex;
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Name = (UINT16*)(StringTable + VariableHead->StringIndex);
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if ((LocalTokenNumber & PCD_TYPE_ALL_SET) == (PCD_TYPE_HII|PCD_TYPE_STRING)) {
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//
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// If a HII type PCD's datum type is VOID*, the DefaultValueOffset is the index of
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// string array in string table.
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//
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StringTableIdx = *(UINT16*)((UINT8 *) PcdDb + VariableHead->DefaultValueOffset);
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VaraiableDefaultBuffer = (VOID *) (StringTable + StringTableIdx);
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Status = GetHiiVariable (Guid, Name, &Data, &DataSize);
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if (Status == EFI_SUCCESS) {
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if (GetSize == 0) {
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//
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// It is a pointer type. So get the MaxSize reserved for
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// this PCD entry.
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//
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GetPtrTypeSize (TmpTokenNumber, &GetSize);
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}
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CopyMem (VaraiableDefaultBuffer, Data + VariableHead->Offset, GetSize);
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FreePool (Data);
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}
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RetPtr = (VOID *) VaraiableDefaultBuffer;
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} else {
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VaraiableDefaultBuffer = (UINT8 *) PcdDb + VariableHead->DefaultValueOffset;
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Status = GetHiiVariable (Guid, Name, &Data, &DataSize);
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if (Status == EFI_SUCCESS) {
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if (GetSize == 0) {
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//
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// It is a pointer type. So get the MaxSize reserved for
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// this PCD entry.
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//
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GetPtrTypeSize (TmpTokenNumber, &GetSize);
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}
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CopyMem (VaraiableDefaultBuffer, Data + VariableHead->Offset, GetSize);
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FreePool (Data);
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}
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//
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// If the operation is successful, we copy the data
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// to the default value buffer in the PCD Database.
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// So that we can free the Data allocated in GetHiiVariable.
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//
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//
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// If the operation is not successful,
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// Return 1) either the default value specified by Platform Integrator
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// 2) Or the value Set by a PCD set operation.
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//
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RetPtr = (VOID *) VaraiableDefaultBuffer;
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}
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break;
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case PCD_TYPE_STRING:
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StringTableIdx = *(UINT16*)((UINT8 *) PcdDb + Offset);
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RetPtr = (VOID *) (StringTable + StringTableIdx);
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break;
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case PCD_TYPE_DATA:
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RetPtr = (VOID *) ((UINT8 *) PcdDb + Offset);
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break;
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default:
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ASSERT (FALSE);
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break;
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}
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EfiReleaseLock (&mPcdDatabaseLock);
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return RetPtr;
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}
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/**
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Register the callback function for a PCD entry.
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This routine will register a callback function to a PCD entry by given token number
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and token space guid.
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@param TokenNumber PCD token's number, it is autogened by build tools.
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@param Guid PCD token space's guid,
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if not NULL, this PCD is dynamicEx type PCD.
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@param CallBackFunction Callback function pointer
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@return EFI_SUCCESS Always success for registering callback function.
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**/
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EFI_STATUS
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DxeRegisterCallBackWorker (
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IN UINTN TokenNumber,
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IN CONST EFI_GUID *Guid, OPTIONAL
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IN PCD_PROTOCOL_CALLBACK CallBackFunction
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)
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{
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CALLBACK_FN_ENTRY *FnTableEntry;
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LIST_ENTRY *ListHead;
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LIST_ENTRY *ListNode;
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if (Guid != NULL) {
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TokenNumber = GetExPcdTokenNumber (Guid, (UINT32) TokenNumber);
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}
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//
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// TokenNumber Zero is reserved as PCD_INVALID_TOKEN_NUMBER.
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// We have to decrement TokenNumber by 1 to make it usable
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// as the array index of mCallbackFnTable[].
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//
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ListHead = &mCallbackFnTable[TokenNumber - 1];
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ListNode = GetFirstNode (ListHead);
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while (ListNode != ListHead) {
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FnTableEntry = CR_FNENTRY_FROM_LISTNODE(ListNode, CALLBACK_FN_ENTRY, Node);
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if (FnTableEntry->CallbackFn == CallBackFunction) {
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//
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// We only allow a Callback function to be register once
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// for a TokenNumber. So just return EFI_SUCCESS
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//
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return EFI_SUCCESS;
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}
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ListNode = GetNextNode (ListHead, ListNode);
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}
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FnTableEntry = AllocatePool (sizeof(CALLBACK_FN_ENTRY));
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ASSERT (FnTableEntry != NULL);
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FnTableEntry->CallbackFn = CallBackFunction;
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InsertTailList (ListHead, &FnTableEntry->Node);
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return EFI_SUCCESS;
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}
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/**
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UnRegister the callback function for a PCD entry.
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This routine will unregister a callback function to a PCD entry by given token number
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and token space guid.
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@param TokenNumber PCD token's number, it is autogened by build tools.
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@param Guid PCD token space's guid.
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if not NULL, this PCD is dynamicEx type PCD.
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@param CallBackFunction Callback function pointer
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@retval EFI_SUCCESS Callback function is success to be unregister.
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@retval EFI_INVALID_PARAMETER Can not find the PCD entry by given token number.
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**/
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EFI_STATUS
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DxeUnRegisterCallBackWorker (
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IN UINTN TokenNumber,
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IN CONST EFI_GUID *Guid, OPTIONAL
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IN PCD_PROTOCOL_CALLBACK CallBackFunction
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)
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{
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CALLBACK_FN_ENTRY *FnTableEntry;
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LIST_ENTRY *ListHead;
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LIST_ENTRY *ListNode;
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if (Guid != NULL) {
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TokenNumber = GetExPcdTokenNumber (Guid, (UINT32) TokenNumber);
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}
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//
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// TokenNumber Zero is reserved as PCD_INVALID_TOKEN_NUMBER.
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// We have to decrement TokenNumber by 1 to make it usable
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// as the array index of mCallbackFnTable[].
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//
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ListHead = &mCallbackFnTable[TokenNumber - 1];
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ListNode = GetFirstNode (ListHead);
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while (ListNode != ListHead) {
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FnTableEntry = CR_FNENTRY_FROM_LISTNODE(ListNode, CALLBACK_FN_ENTRY, Node);
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if (FnTableEntry->CallbackFn == CallBackFunction) {
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//
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// We only allow a Callback function to be register once
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// for a TokenNumber. So we can safely remove the Node from
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// the Link List and return EFI_SUCCESS.
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//
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RemoveEntryList (ListNode);
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FreePool (FnTableEntry);
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return EFI_SUCCESS;
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}
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ListNode = GetNextNode (ListHead, ListNode);
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}
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return EFI_INVALID_PARAMETER;
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}
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/**
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Get next token number in given token space.
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This routine is used for dynamicEx type PCD. It will firstly scan token space
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table to get token space according to given token space guid. Then scan given
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token number in found token space, if found, then return next token number in
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this token space.
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@param Guid Token space guid. Next token number will be scaned in
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this token space.
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@param TokenNumber Token number.
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If PCD_INVALID_TOKEN_NUMBER, return first token number in
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token space table.
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If not PCD_INVALID_TOKEN_NUMBER, return next token number
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in token space table.
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@param GuidTable Token space guid table. It will be used for scan token space
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by given token space guid.
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@param SizeOfGuidTable The size of guid table.
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@param ExMapTable DynamicEx token number mapping table.
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@param SizeOfExMapTable The size of dynamicEx token number mapping table.
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@retval EFI_NOT_FOUND Can not given token space or token number.
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@retval EFI_SUCCESS Success to get next token number.
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**/
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EFI_STATUS
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ExGetNextTokeNumber (
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IN CONST EFI_GUID *Guid,
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IN OUT UINTN *TokenNumber,
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IN EFI_GUID *GuidTable,
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IN UINTN SizeOfGuidTable,
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IN DYNAMICEX_MAPPING *ExMapTable,
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IN UINTN SizeOfExMapTable
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)
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{
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EFI_GUID *MatchGuid;
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UINTN Index;
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UINTN GuidTableIdx;
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BOOLEAN Found;
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//
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// Scan token space guid
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//
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MatchGuid = ScanGuid (GuidTable, SizeOfGuidTable, Guid);
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if (MatchGuid == NULL) {
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return EFI_NOT_FOUND;
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}
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//
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// Find the token space table in dynamicEx mapping table.
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//
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Found = FALSE;
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GuidTableIdx = MatchGuid - GuidTable;
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for (Index = 0; Index < SizeOfExMapTable; Index++) {
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if (ExMapTable[Index].ExGuidIndex == GuidTableIdx) {
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Found = TRUE;
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break;
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}
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}
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if (Found) {
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//
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// If given token number is PCD_INVALID_TOKEN_NUMBER, then return the first
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// token number in found token space.
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//
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if (*TokenNumber == PCD_INVALID_TOKEN_NUMBER) {
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*TokenNumber = ExMapTable[Index].ExTokenNumber;
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return EFI_SUCCESS;
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}
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for ( ; Index < SizeOfExMapTable; Index++) {
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if (ExMapTable[Index].ExTokenNumber == *TokenNumber) {
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Index ++;
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if (Index == SizeOfExMapTable) {
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//
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// Exceed the length of ExMap Table
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//
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*TokenNumber = PCD_INVALID_TOKEN_NUMBER;
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return EFI_SUCCESS;
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} else if (ExMapTable[Index].ExGuidIndex == GuidTableIdx) {
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//
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// Found the next match
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//
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*TokenNumber = ExMapTable[Index].ExTokenNumber;
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return EFI_SUCCESS;
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} else {
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//
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// Guid has been changed. It is the next Token Space Guid.
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// We should flag no more TokenNumber.
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//
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*TokenNumber = PCD_INVALID_TOKEN_NUMBER;
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return EFI_SUCCESS;
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}
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}
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}
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}
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return EFI_NOT_FOUND;
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}
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/**
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Initialize the PCD database in DXE phase.
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PCD database in DXE phase also contains PCD database in PEI phase which is copied
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from GUID Hob.
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**/
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VOID
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BuildPcdDxeDataBase (
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VOID
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)
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{
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PEI_PCD_DATABASE *PeiDatabase;
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EFI_HOB_GUID_TYPE *GuidHob;
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UINTN Index;
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mPcdDatabase = AllocateZeroPool (sizeof(PCD_DATABASE));
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ASSERT (mPcdDatabase != NULL);
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GuidHob = GetFirstGuidHob (&gPcdDataBaseHobGuid);
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if (GuidHob != NULL) {
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//
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// We will copy over the PEI phase's PCD Database.
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//
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// If no PEIMs use dynamic Pcd Entry, the Pcd Service PEIM
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// should not be included at all. So the GuidHob could
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// be NULL. If it is NULL, we just copy over the DXE Default
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// Value to PCD Database.
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//
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PeiDatabase = (PEI_PCD_DATABASE *) GET_GUID_HOB_DATA (GuidHob);
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//
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// Copy PCD Entries refereneced in PEI phase to PCD DATABASE
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//
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CopyMem (&mPcdDatabase->PeiDb, PeiDatabase, sizeof (PEI_PCD_DATABASE));
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}
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//
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// Copy PCD Entries with default value to PCD DATABASE
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//
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CopyMem (&mPcdDatabase->DxeDb.Init, &gDXEPcdDbInit, sizeof(DXE_PCD_DATABASE_INIT));
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//
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// Initialized the Callback Function Table
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//
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mCallbackFnTable = AllocateZeroPool (PCD_TOTAL_TOKEN_NUMBER * sizeof (LIST_ENTRY));
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ASSERT(mCallbackFnTable != NULL);
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// EBC compiler is very choosy. It may report warning about comparison
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// between UINTN and 0 . So we add 1 in each size of the
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// comparison.
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for (Index = 0; Index + 1 < PCD_TOTAL_TOKEN_NUMBER + 1; Index++) {
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InitializeListHead (&mCallbackFnTable[Index]);
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}
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}
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/**
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Get Variable which contains HII type PCD entry.
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@param VariableGuid Variable's guid
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@param VariableName Variable's unicode name string
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@param VariableData Variable's data pointer,
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@param VariableSize Variable's size.
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@return the status of gRT->GetVariable
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**/
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EFI_STATUS
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GetHiiVariable (
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IN EFI_GUID *VariableGuid,
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IN UINT16 *VariableName,
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OUT UINT8 **VariableData,
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OUT UINTN *VariableSize
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)
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{
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UINTN Size;
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EFI_STATUS Status;
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UINT8 *Buffer;
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Size = 0;
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Buffer = NULL;
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//
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// Firstly get the real size of HII variable
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//
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Status = gRT->GetVariable (
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(UINT16 *)VariableName,
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VariableGuid,
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NULL,
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&Size,
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Buffer
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);
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//
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// Allocate buffer to hold whole variable data according to variable size.
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//
|
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if (Status == EFI_BUFFER_TOO_SMALL) {
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Buffer = (UINT8 *) AllocatePool (Size);
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ASSERT (Buffer != NULL);
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Status = gRT->GetVariable (
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VariableName,
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VariableGuid,
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NULL,
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&Size,
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Buffer
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);
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|
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ASSERT (Status == EFI_SUCCESS);
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*VariableData = Buffer;
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*VariableSize = Size;
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}
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return Status;
|
|
}
|
|
|
|
/**
|
|
Find the local token number according to system SKU ID.
|
|
|
|
@param LocalTokenNumber PCD token number
|
|
@param Size The size of PCD entry.
|
|
@param IsPeiDb If TRUE, the PCD entry is initialized in PEI phase.
|
|
If False, the PCD entry is initialized in DXE phase.
|
|
|
|
@return Token number according to system SKU ID.
|
|
|
|
**/
|
|
UINT32
|
|
GetSkuEnabledTokenNumber (
|
|
UINT32 LocalTokenNumber,
|
|
UINTN Size,
|
|
BOOLEAN IsPeiDb
|
|
)
|
|
{
|
|
SKU_HEAD *SkuHead;
|
|
SKU_ID *SkuIdTable;
|
|
INTN Index;
|
|
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];
|
|
|
|
//
|
|
// Find the current system's SKU ID entry in SKU ID table.
|
|
//
|
|
for (Index = 0; Index < SkuIdTable[0]; Index++) {
|
|
if (mPcdDatabase->PeiDb.Init.SystemSkuId == SkuIdTable[Index + 1]) {
|
|
break;
|
|
}
|
|
}
|
|
ASSERT (Index < SkuIdTable[0]);
|
|
|
|
switch (LocalTokenNumber & PCD_TYPE_ALL_SET) {
|
|
case PCD_TYPE_VPD:
|
|
Value = (UINT8 *) &(((VPD_HEAD *) Value)[Index]);
|
|
return (UINT32) ((Value - PcdDb) | PCD_TYPE_VPD);
|
|
|
|
case PCD_TYPE_HII:
|
|
Value = (UINT8 *) &(((VARIABLE_HEAD *) Value)[Index]);
|
|
return (UINT32) ((Value - PcdDb) | PCD_TYPE_HII);
|
|
|
|
case PCD_TYPE_STRING:
|
|
Value = (UINT8 *) &(((STRING_HEAD *) Value)[Index]);
|
|
return (UINT32) ((Value - PcdDb) | PCD_TYPE_STRING);
|
|
|
|
case PCD_TYPE_DATA:
|
|
Value += Size * Index;
|
|
return (UINT32) (Value - PcdDb);
|
|
|
|
default:
|
|
ASSERT (FALSE);
|
|
}
|
|
|
|
ASSERT (FALSE);
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
/**
|
|
Invoke the callback function when dynamic PCD entry was set, if this PCD entry
|
|
has registered callback function.
|
|
|
|
@param ExTokenNumber DynamicEx PCD's token number, if this PCD entry is dyanmicEx
|
|
type PCD.
|
|
@param Guid DynamicEx PCD's guid, if this PCD entry is dynamicEx type
|
|
PCD.
|
|
@param TokenNumber PCD token number generated by build tools.
|
|
@param Data Value want to be set for this PCD entry
|
|
@param Size The size of value
|
|
|
|
**/
|
|
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 of mCallbackFnTable[].
|
|
//
|
|
ListHead = &mCallbackFnTable[TokenNumber - 1];
|
|
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;
|
|
}
|
|
|
|
|
|
/**
|
|
Wrapper function for setting non-pointer type value for a PCD entry.
|
|
|
|
@param TokenNumber Pcd token number autogenerated by build tools.
|
|
@param Data Value want to be set for PCD entry
|
|
@param Size Size of value.
|
|
|
|
@return status of SetWorker.
|
|
|
|
**/
|
|
EFI_STATUS
|
|
SetValueWorker (
|
|
IN UINTN TokenNumber,
|
|
IN VOID *Data,
|
|
IN UINTN Size
|
|
)
|
|
{
|
|
return SetWorker (TokenNumber, Data, &Size, FALSE);
|
|
}
|
|
|
|
|
|
/**
|
|
Set value for an PCD entry
|
|
|
|
@param TokenNumber Pcd token number autogenerated by build tools.
|
|
@param Data Value want to be set for PCD entry
|
|
@param Size Size of value.
|
|
@param PtrType If TRUE, the type of PCD entry's value is Pointer.
|
|
If False, the type of PCD entry's value is not Pointer.
|
|
|
|
@retval EFI_INVALID_PARAMETER If this PCD type is VPD, VPD PCD can not be set.
|
|
@retval EFI_INVALID_PARAMETER If Size can not be set to size table.
|
|
@retval EFI_INVALID_PARAMETER If Size of non-Ptr type PCD does not match the size information in PCD database.
|
|
@retval EFI_NOT_FOUND If value type of PCD entry is intergrate, but not in
|
|
range of UINT8, UINT16, UINT32, UINT64
|
|
@retval EFI_NOT_FOUND Can not find the PCD type according to token number.
|
|
**/
|
|
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;
|
|
UINT8 *StringTable;
|
|
EFI_GUID *Guid;
|
|
UINT16 *Name;
|
|
UINTN VariableOffset;
|
|
VOID *InternalData;
|
|
VARIABLE_HEAD *VariableHead;
|
|
UINTN Offset;
|
|
UINT8 *PcdDb;
|
|
EFI_STATUS Status;
|
|
UINTN MaxSize;
|
|
UINTN TmpTokenNumber;
|
|
|
|
//
|
|
// 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) {
|
|
if (*Size > DxePcdGetSize (TokenNumber + 1)) {
|
|
return EFI_INVALID_PARAMETER;
|
|
}
|
|
} else {
|
|
if (*Size != DxePcdGetSize (TokenNumber + 1)) {
|
|
return EFI_INVALID_PARAMETER;
|
|
}
|
|
}
|
|
|
|
//
|
|
// 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);
|
|
}
|
|
|
|
//
|
|
// Aquire lock to prevent reentrance from TPL_CALLBACK level
|
|
//
|
|
EfiAcquireLock (&mPcdDatabaseLock);
|
|
|
|
//
|
|
// 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 (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);
|
|
|
|
if (IsPeiDb) {
|
|
StringTable = (UINT8 *) (&mPcdDatabase->PeiDb.Init.StringTable[0]);
|
|
} else {
|
|
StringTable = (UINT8 *) (&mPcdDatabase->DxeDb.Init.StringTable[0]);
|
|
}
|
|
|
|
|
|
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|PCD_TYPE_STRING:
|
|
case PCD_TYPE_HII:
|
|
if (PtrType) {
|
|
if (!SetPtrTypeSize (TmpTokenNumber, Size)) {
|
|
Status = EFI_INVALID_PARAMETER;
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (IsPeiDb) {
|
|
GuidTable = (EFI_GUID *) (&mPcdDatabase->PeiDb.Init.GuidTable[0]);
|
|
} else {
|
|
GuidTable = (EFI_GUID *) (&mPcdDatabase->DxeDb.Init.GuidTable[0]);
|
|
}
|
|
|
|
VariableHead = (VARIABLE_HEAD *) (PcdDb + Offset);
|
|
|
|
Guid = GuidTable + VariableHead->GuidTableIndex;
|
|
Name = (UINT16*) (StringTable + VariableHead->StringIndex);
|
|
VariableOffset = VariableHead->Offset;
|
|
Status = SetHiiVariable (Guid, Name, Data, *Size, VariableOffset);
|
|
|
|
if (EFI_NOT_FOUND == Status) {
|
|
if ((LocalTokenNumber & PCD_TYPE_ALL_SET) == (PCD_TYPE_HII|PCD_TYPE_STRING)) {
|
|
CopyMem (
|
|
StringTable + *(UINT16 *)(PcdDb + VariableHead->DefaultValueOffset),
|
|
Data,
|
|
*Size
|
|
);
|
|
} else {
|
|
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;
|
|
}
|
|
|
|
/**
|
|
Wrapper function for get PCD value for dynamic-ex PCD.
|
|
|
|
@param Guid Token space guid for dynamic-ex PCD.
|
|
@param ExTokenNumber Token number for dynamic-ex PCD.
|
|
@param GetSize The size of dynamic-ex PCD value.
|
|
|
|
@return PCD entry in PCD database.
|
|
|
|
**/
|
|
VOID *
|
|
ExGetWorker (
|
|
IN CONST EFI_GUID *Guid,
|
|
IN UINTN ExTokenNumber,
|
|
IN UINTN GetSize
|
|
)
|
|
{
|
|
return GetWorker(GetExPcdTokenNumber (Guid, (UINT32) ExTokenNumber), GetSize);
|
|
}
|
|
|
|
/**
|
|
Wrapper function for set PCD value for non-Pointer type dynamic-ex PCD.
|
|
|
|
@param ExTokenNumber Token number for dynamic-ex PCD.
|
|
@param Guid Token space guid for dynamic-ex PCD.
|
|
@param Data Value want to be set.
|
|
@param SetSize The size of value.
|
|
|
|
@return status of ExSetWorker().
|
|
|
|
**/
|
|
EFI_STATUS
|
|
ExSetValueWorker (
|
|
IN UINTN ExTokenNumber,
|
|
IN CONST EFI_GUID *Guid,
|
|
IN VOID *Data,
|
|
IN UINTN SetSize
|
|
)
|
|
{
|
|
return ExSetWorker (ExTokenNumber, Guid, Data, &SetSize, FALSE);
|
|
}
|
|
|
|
/**
|
|
Set value for a dynamic PCD entry.
|
|
|
|
This routine find the local token number according to dynamic-ex PCD's token
|
|
space guid and token number firstly, and invoke callback function if this PCD
|
|
entry registered callback function. Finally, invoken general SetWorker to set
|
|
PCD value.
|
|
|
|
@param ExTokenNumber Dynamic-ex PCD token number.
|
|
@param Guid Token space guid for dynamic-ex PCD.
|
|
@param Data PCD value want to be set
|
|
@param SetSize Size of value.
|
|
@param PtrType If TRUE, this PCD entry is pointer type.
|
|
If FALSE, this PCD entry is not pointer type.
|
|
|
|
@return status of SetWorker().
|
|
|
|
**/
|
|
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);
|
|
|
|
}
|
|
|
|
/**
|
|
Set value for HII-type PCD.
|
|
|
|
A HII-type PCD's value is stored in a variable. Setting/Getting the value of
|
|
HII-type PCD is to visit this variable.
|
|
|
|
@param VariableGuid Guid of variable which stored value of a HII-type PCD.
|
|
@param VariableName Unicode name of variable which stored value of a HII-type PCD.
|
|
@param Data Value want to be set.
|
|
@param DataSize Size of value
|
|
@param Offset Value offset of HII-type PCD in variable.
|
|
|
|
@return status of GetVariable()/SetVariable().
|
|
|
|
**/
|
|
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;
|
|
UINTN SetSize;
|
|
|
|
Size = 0;
|
|
SetSize = 0;
|
|
|
|
//
|
|
// Try to get original variable size information.
|
|
//
|
|
Status = gRT->GetVariable (
|
|
(UINT16 *)VariableName,
|
|
VariableGuid,
|
|
NULL,
|
|
&Size,
|
|
NULL
|
|
);
|
|
|
|
if (Status == EFI_BUFFER_TOO_SMALL) {
|
|
//
|
|
// Patch new PCD's value to offset in given HII variable.
|
|
//
|
|
if (Size >= (DataSize + Offset)) {
|
|
SetSize = Size;
|
|
} else {
|
|
SetSize = DataSize + Offset;
|
|
}
|
|
Buffer = AllocatePool (SetSize);
|
|
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,
|
|
SetSize,
|
|
Buffer
|
|
);
|
|
|
|
FreePool (Buffer);
|
|
return Status;
|
|
} else if (Status == EFI_NOT_FOUND) {
|
|
//
|
|
// If variable does not exist, a new variable need to be created.
|
|
//
|
|
|
|
Size = Offset + DataSize;
|
|
|
|
Buffer = AllocateZeroPool (Size);
|
|
ASSERT (Buffer != NULL);
|
|
|
|
CopyMem ((UINT8 *)Buffer + Offset, Data, DataSize);
|
|
|
|
Status = gRT->SetVariable (
|
|
VariableName,
|
|
VariableGuid,
|
|
EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS | EFI_VARIABLE_NON_VOLATILE,
|
|
Size,
|
|
Buffer
|
|
);
|
|
|
|
FreePool (Buffer);
|
|
return Status;
|
|
}
|
|
|
|
//
|
|
// If we drop to here, the value is failed to be written in to variable area
|
|
// So, we will save the data in the PCD Database's volatile area.
|
|
//
|
|
return Status;
|
|
}
|
|
|
|
/**
|
|
Get local token number according to dynamic-ex PCD's {token space guid:token number}
|
|
|
|
A dynamic-ex type PCD, developer must provide pair of token space guid: token number
|
|
in DEC file. PCD database maintain a mapping table that translate pair of {token
|
|
space guid: token number} to local token number.
|
|
|
|
@param Guid Token space guid for dynamic-ex PCD entry.
|
|
@param ExTokenNumber Dynamic-ex PCD token number.
|
|
|
|
@return local token number for dynamic-ex PCD.
|
|
|
|
**/
|
|
UINTN
|
|
GetExPcdTokenNumber (
|
|
IN CONST EFI_GUID *Guid,
|
|
IN UINT32 ExTokenNumber
|
|
)
|
|
{
|
|
UINT32 Index;
|
|
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 (Index = 0; Index < PEI_EXMAPPING_TABLE_SIZE; Index++) {
|
|
if ((ExTokenNumber == ExMap[Index].ExTokenNumber) &&
|
|
(MatchGuidIdx == ExMap[Index].ExGuidIndex)) {
|
|
return ExMap[Index].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 (Index = 0; Index < DXE_EXMAPPING_TABLE_SIZE; Index++) {
|
|
if ((ExTokenNumber == ExMap[Index].ExTokenNumber) &&
|
|
(MatchGuidIdx == ExMap[Index].ExGuidIndex)) {
|
|
return ExMap[Index].LocalTokenNumber;
|
|
}
|
|
}
|
|
|
|
ASSERT (FALSE);
|
|
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
Get SKU ID table from PCD database.
|
|
|
|
@param LocalTokenNumberTableIdx Index of local token number in token number table.
|
|
@param IsPeiPcd If TRUE,
|
|
|
|
@return Pointer to SKU ID array table
|
|
|
|
**/
|
|
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);
|
|
|
|
}
|
|
|
|
/**
|
|
Wrapper function of getting index of PCD entry in size table.
|
|
|
|
@param LocalTokenNumberTableIdx Index of this PCD in local token number table.
|
|
@param IsPeiDb If TRUE, the pcd entry is initialized in PEI phase,
|
|
If FALSE, the pcd entry is initialized in DXE phase.
|
|
|
|
@return index of PCD entry in size table.
|
|
**/
|
|
UINTN
|
|
GetSizeTableIndex (
|
|
IN UINTN LocalTokenNumberTableIdx,
|
|
IN BOOLEAN IsPeiDb
|
|
)
|
|
{
|
|
UINT32 *LocalTokenNumberTable;
|
|
UINTN LocalTokenNumber;
|
|
UINTN Index;
|
|
UINTN SizeTableIdx;
|
|
SKU_ID *SkuIdTable;
|
|
|
|
if (IsPeiDb) {
|
|
LocalTokenNumberTable = mPcdDatabase->PeiDb.Init.LocalTokenNumberTable;
|
|
} else {
|
|
LocalTokenNumberTable = mPcdDatabase->DxeDb.Init.LocalTokenNumberTable;
|
|
}
|
|
|
|
SizeTableIdx = 0;
|
|
|
|
for (Index = 0; Index < LocalTokenNumberTableIdx; Index ++) {
|
|
LocalTokenNumber = LocalTokenNumberTable[Index];
|
|
|
|
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) != 0) {
|
|
//
|
|
// 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 (Index, IsPeiDb);
|
|
SizeTableIdx += (UINTN)*SkuIdTable + 1;
|
|
}
|
|
}
|
|
}
|
|
|
|
}
|
|
|
|
return SizeTableIdx;
|
|
}
|
|
|
|
/**
|
|
Get size of POINTER type PCD value.
|
|
|
|
@param LocalTokenNumberTableIdx Index of local token number in local token number table.
|
|
@param MaxSize Maxmium size of POINTER type PCD value.
|
|
|
|
@return size of POINTER type PCD value.
|
|
|
|
**/
|
|
UINTN
|
|
GetPtrTypeSize (
|
|
IN UINTN LocalTokenNumberTableIdx,
|
|
OUT UINTN *MaxSize
|
|
)
|
|
{
|
|
INTN SizeTableIdx;
|
|
UINTN LocalTokenNumber;
|
|
SKU_ID *SkuIdTable;
|
|
SIZE_INFO *SizeTable;
|
|
UINTN Index;
|
|
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) != 0) {
|
|
//
|
|
// 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 (Index = 0; Index < SkuIdTable[0]; Index++) {
|
|
if (SkuIdTable[1 + Index] == mPcdDatabase->PeiDb.Init.SystemSkuId) {
|
|
return SizeTable[SizeTableIdx + 1 + Index];
|
|
}
|
|
}
|
|
return SizeTable[SizeTableIdx + 1];
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
Set size of POINTER type PCD value. The size should not exceed the maximum size
|
|
of this PCD value.
|
|
|
|
@param LocalTokenNumberTableIdx Index of local token number in local token number table.
|
|
@param CurrentSize Size of POINTER type PCD value.
|
|
|
|
@retval TRUE Success to set size of PCD value.
|
|
@retval FALSE Fail to set size of PCD value.
|
|
**/
|
|
BOOLEAN
|
|
SetPtrTypeSize (
|
|
IN UINTN LocalTokenNumberTableIdx,
|
|
IN OUT UINTN *CurrentSize
|
|
)
|
|
{
|
|
INTN SizeTableIdx;
|
|
UINTN LocalTokenNumber;
|
|
SKU_ID *SkuIdTable;
|
|
SIZE_INFO *SizeTable;
|
|
UINTN Index;
|
|
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) != 0) {
|
|
//
|
|
// 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 (Index = 0; Index < SkuIdTable[0]; Index++) {
|
|
if (SkuIdTable[1 + Index] == mPcdDatabase->PeiDb.Init.SystemSkuId) {
|
|
SizeTable[SizeTableIdx + 1 + Index] = (SIZE_INFO) *CurrentSize;
|
|
return TRUE;
|
|
}
|
|
}
|
|
SizeTable[SizeTableIdx + 1] = (SIZE_INFO) *CurrentSize;
|
|
return TRUE;
|
|
}
|
|
}
|
|
}
|