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
This commit is contained in:
801
MdeModulePkg/Universal/PCD/Pei/Pcd.c
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801
MdeModulePkg/Universal/PCD/Pei/Pcd.c
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@@ -0,0 +1,801 @@
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/** @file PCD PEIM
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Copyright (c) 2006, Intel Corporation
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All rights reserved. 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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Module Name: Pcd.c
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**/
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//
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// Include common header file for this module.
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//
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#include "CommonHeader.h"
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#include "Service.h"
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PCD_PPI mPcdPpiInstance = {
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PeiPcdSetSku,
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PeiPcdGet8,
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PeiPcdGet16,
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PeiPcdGet32,
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PeiPcdGet64,
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PeiPcdGetPtr,
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PeiPcdGetBool,
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PeiPcdGetSize,
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PeiPcdGet8Ex,
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PeiPcdGet16Ex,
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PeiPcdGet32Ex,
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PeiPcdGet64Ex,
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PeiPcdGetPtrEx,
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PeiPcdGetBoolEx,
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PeiPcdGetSizeEx,
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PeiPcdSet8,
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PeiPcdSet16,
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PeiPcdSet32,
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PeiPcdSet64,
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PeiPcdSetPtr,
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PeiPcdSetBool,
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PeiPcdSet8Ex,
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PeiPcdSet16Ex,
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PeiPcdSet32Ex,
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PeiPcdSet64Ex,
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PeiPcdSetPtrEx,
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PeiPcdSetBoolEx,
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PeiRegisterCallBackOnSet,
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PcdUnRegisterCallBackOnSet,
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PeiPcdGetNextToken,
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PeiPcdGetNextTokenSpace
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};
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STATIC EFI_PEI_PPI_DESCRIPTOR mPpiPCD = {
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(EFI_PEI_PPI_DESCRIPTOR_PPI | EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST),
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&gPcdPpiGuid,
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&mPcdPpiInstance
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};
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EFI_STATUS
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EFIAPI
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PcdPeimInit (
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IN EFI_FFS_FILE_HEADER *FfsHeader,
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IN EFI_PEI_SERVICES **PeiServices
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)
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{
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EFI_STATUS Status;
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BuildPcdDatabase ();
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Status = PeiServicesInstallPpi (&mPpiPCD);
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ASSERT_EFI_ERROR (Status);
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return EFI_SUCCESS;
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}
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VOID
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EFIAPI
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PeiPcdSetSku (
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IN UINTN SkuId
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)
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{
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GetPcdDatabase()->Init.SystemSkuId = (SKU_ID) SkuId;
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return;
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}
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UINT8
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EFIAPI
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PeiPcdGet8 (
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IN UINTN TokenNumber
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)
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{
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return *((UINT8 *) GetWorker (TokenNumber, sizeof (UINT8)));
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}
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UINT16
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EFIAPI
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PeiPcdGet16 (
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IN UINTN TokenNumber
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)
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{
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return ReadUnaligned16 (GetWorker (TokenNumber, sizeof (UINT16)));
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}
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UINT32
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EFIAPI
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PeiPcdGet32 (
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IN UINTN TokenNumber
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)
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{
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return ReadUnaligned32 (GetWorker (TokenNumber, sizeof (UINT32)));
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}
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UINT64
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EFIAPI
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PeiPcdGet64 (
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IN UINTN TokenNumber
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)
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{
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return ReadUnaligned64 (GetWorker (TokenNumber, sizeof (UINT64)));
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}
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VOID *
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EFIAPI
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PeiPcdGetPtr (
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IN UINTN TokenNumber
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)
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{
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return GetWorker (TokenNumber, 0);
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}
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BOOLEAN
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EFIAPI
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PeiPcdGetBool (
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IN UINTN TokenNumber
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)
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{
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return *((BOOLEAN *) GetWorker (TokenNumber, sizeof (BOOLEAN)));
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}
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UINTN
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EFIAPI
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PeiPcdGetSize (
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IN UINTN TokenNumber
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)
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{
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PEI_PCD_DATABASE *PeiPcdDb;
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UINTN Size;
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UINTN MaxSize;
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//
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// If DebugAssertEnabled is TRUE, we still need to provide the GET size
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// function as GetWorker and SetWoker need this function to do ASSERT.
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//
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if ((!FeaturePcdGet(PcdPeiPcdDatabaseGetSizeEnabled)) &&
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(!DebugAssertEnabled ())) {
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return 0;
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}
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PeiPcdDb = GetPcdDatabase ();
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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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// 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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ASSERT (TokenNumber + 1 < PEI_LOCAL_TOKEN_NUMBER + 1);
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Size = (PeiPcdDb->Init.LocalTokenNumberTable[TokenNumber] & PCD_DATUM_TYPE_ALL_SET) >> PCD_DATUM_TYPE_SHIFT;
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if (Size == 0) {
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//
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// For pointer type, we need to scan the SIZE_TABLE to get the current size.
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//
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return GetPtrTypeSize (TokenNumber, &MaxSize, PeiPcdDb);
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} else {
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return Size;
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}
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}
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UINT8
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EFIAPI
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PeiPcdGet8Ex (
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IN CONST EFI_GUID *Guid,
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IN UINTN ExTokenNumber
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)
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{
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return *((UINT8 *) ExGetWorker (Guid, ExTokenNumber, sizeof (UINT8)));
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}
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UINT16
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EFIAPI
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PeiPcdGet16Ex (
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IN CONST EFI_GUID *Guid,
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IN UINTN ExTokenNumber
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)
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{
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return ReadUnaligned16 (ExGetWorker (Guid, ExTokenNumber, sizeof (UINT16)));
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}
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UINT32
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EFIAPI
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PeiPcdGet32Ex (
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IN CONST EFI_GUID *Guid,
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IN UINTN ExTokenNumber
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)
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{
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return ReadUnaligned32 (ExGetWorker (Guid, ExTokenNumber, sizeof (UINT32)));
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}
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UINT64
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EFIAPI
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PeiPcdGet64Ex (
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IN CONST EFI_GUID *Guid,
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IN UINTN ExTokenNumber
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)
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{
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return ReadUnaligned64 (ExGetWorker (Guid, ExTokenNumber, sizeof (UINT64)));
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}
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VOID *
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EFIAPI
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PeiPcdGetPtrEx (
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IN CONST EFI_GUID *Guid,
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IN UINTN ExTokenNumber
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)
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{
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return ExGetWorker (Guid, ExTokenNumber, 0);
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}
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BOOLEAN
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EFIAPI
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PeiPcdGetBoolEx (
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IN CONST EFI_GUID *Guid,
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IN UINTN ExTokenNumber
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)
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{
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return *((BOOLEAN *) ExGetWorker (Guid, ExTokenNumber, sizeof (BOOLEAN)));
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}
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UINTN
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EFIAPI
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PeiPcdGetSizeEx (
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IN CONST EFI_GUID *Guid,
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IN UINTN ExTokenNumber
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)
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{
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if ((!FeaturePcdGet (PcdPeiPcdDatabaseGetSizeEnabled)) || !FeaturePcdGet (PcdPeiPcdDatabaseExEnabled)) {
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return 0;
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}
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return PeiPcdGetSize (GetExPcdTokenNumber (Guid, ExTokenNumber));
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}
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EFI_STATUS
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EFIAPI
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PeiPcdSet8 (
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IN UINTN TokenNumber,
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IN UINT8 Value
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)
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{
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return SetValueWorker (TokenNumber, &Value, sizeof (Value));
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}
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EFI_STATUS
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EFIAPI
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PeiPcdSet16 (
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IN UINTN TokenNumber,
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IN UINT16 Value
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)
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{
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return SetValueWorker (TokenNumber, &Value, sizeof (Value));
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}
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EFI_STATUS
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EFIAPI
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PeiPcdSet32 (
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IN UINTN TokenNumber,
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IN UINT32 Value
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)
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{
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return SetValueWorker (TokenNumber, &Value, sizeof (Value));
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}
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EFI_STATUS
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EFIAPI
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PeiPcdSet64 (
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IN UINTN TokenNumber,
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IN UINT64 Value
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)
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{
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return SetValueWorker (TokenNumber, &Value, sizeof (Value));
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}
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EFI_STATUS
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EFIAPI
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PeiPcdSetPtr (
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IN UINTN TokenNumber,
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IN OUT UINTN *SizeOfBuffer,
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IN VOID *Buffer
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)
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{
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return SetWorker (TokenNumber, Buffer, SizeOfBuffer, TRUE);
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}
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EFI_STATUS
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EFIAPI
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PeiPcdSetBool (
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IN UINTN TokenNumber,
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IN BOOLEAN Value
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)
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{
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return SetValueWorker (TokenNumber, &Value, sizeof (Value));
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}
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EFI_STATUS
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EFIAPI
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PeiPcdSet8Ex (
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IN CONST EFI_GUID *Guid,
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IN UINTN ExTokenNumber,
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IN UINT8 Value
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)
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{
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return ExSetValueWorker (ExTokenNumber, Guid, &Value, sizeof (Value));
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}
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EFI_STATUS
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EFIAPI
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PeiPcdSet16Ex (
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IN CONST EFI_GUID *Guid,
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IN UINTN ExTokenNumber,
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IN UINT16 Value
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)
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{
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return ExSetValueWorker (ExTokenNumber, Guid, &Value, sizeof (Value));
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}
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EFI_STATUS
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EFIAPI
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PeiPcdSet32Ex (
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IN CONST EFI_GUID *Guid,
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IN UINTN ExTokenNumber,
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IN UINT32 Value
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)
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{
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return ExSetValueWorker (ExTokenNumber, Guid, &Value, sizeof (Value));
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}
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EFI_STATUS
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EFIAPI
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PeiPcdSet64Ex (
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IN CONST EFI_GUID *Guid,
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IN UINTN ExTokenNumber,
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IN UINT64 Value
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)
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{
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return ExSetValueWorker (ExTokenNumber, Guid, &Value, sizeof (Value));
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}
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EFI_STATUS
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EFIAPI
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PeiPcdSetPtrEx (
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IN CONST EFI_GUID *Guid,
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IN UINTN ExTokenNumber,
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IN UINTN *SizeOfBuffer,
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IN VOID *Value
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)
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{
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return ExSetWorker (ExTokenNumber, Guid, Value, SizeOfBuffer, TRUE);
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}
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EFI_STATUS
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EFIAPI
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PeiPcdSetBoolEx (
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IN CONST EFI_GUID *Guid,
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IN UINTN ExTokenNumber,
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IN BOOLEAN Value
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)
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{
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return ExSetValueWorker (ExTokenNumber, Guid, &Value, sizeof (Value));
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}
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EFI_STATUS
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EFIAPI
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PeiRegisterCallBackOnSet (
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IN CONST EFI_GUID *Guid, OPTIONAL
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IN UINTN ExTokenNumber,
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IN PCD_PPI_CALLBACK CallBackFunction
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)
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{
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if (!FeaturePcdGet(PcdPeiPcdDatabaseCallbackOnSetEnabled)) {
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return EFI_UNSUPPORTED;
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}
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ASSERT (CallBackFunction != NULL);
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return PeiRegisterCallBackWorker (ExTokenNumber, Guid, CallBackFunction, TRUE);
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}
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EFI_STATUS
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EFIAPI
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PcdUnRegisterCallBackOnSet (
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IN CONST EFI_GUID *Guid, OPTIONAL
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IN UINTN ExTokenNumber,
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IN PCD_PPI_CALLBACK CallBackFunction
|
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)
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{
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if (!FeaturePcdGet(PcdPeiPcdDatabaseCallbackOnSetEnabled)) {
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return EFI_UNSUPPORTED;
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}
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ASSERT (CallBackFunction != NULL);
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return PeiRegisterCallBackWorker (ExTokenNumber, Guid, CallBackFunction, FALSE);
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}
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EFI_STATUS
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EFIAPI
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PeiPcdGetNextToken (
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IN CONST EFI_GUID *Guid, OPTIONAL
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||||
IN OUT UINTN *TokenNumber
|
||||
)
|
||||
{
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||||
UINTN GuidTableIdx;
|
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PEI_PCD_DATABASE *PeiPcdDb;
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EFI_GUID *MatchGuid;
|
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DYNAMICEX_MAPPING *ExMapTable;
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UINTN i;
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BOOLEAN Found;
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BOOLEAN PeiExMapTableEmpty;
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||||
if (!FeaturePcdGet (PcdPeiPcdDatabaseTraverseEnabled)) {
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return EFI_UNSUPPORTED;
|
||||
}
|
||||
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PeiExMapTableEmpty = PEI_EXMAP_TABLE_EMPTY;
|
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|
||||
if (Guid == NULL) {
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||||
if (*TokenNumber > PEI_NEX_TOKEN_NUMBER) {
|
||||
return EFI_NOT_FOUND;
|
||||
}
|
||||
(*TokenNumber)++;
|
||||
if (*TokenNumber > PEI_NEX_TOKEN_NUMBER) {
|
||||
*TokenNumber = PCD_INVALID_TOKEN_NUMBER;
|
||||
}
|
||||
return EFI_SUCCESS;
|
||||
} else {
|
||||
if (PeiExMapTableEmpty) {
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*TokenNumber = PCD_INVALID_TOKEN_NUMBER;
|
||||
return EFI_SUCCESS;
|
||||
}
|
||||
|
||||
//
|
||||
// Assume PCD Database AutoGen tool is sorting the ExMap based on the following order
|
||||
// 1) ExGuid
|
||||
// 2) ExTokenNumber
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||||
//
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PeiPcdDb = GetPcdDatabase ();
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||||
MatchGuid = ScanGuid (PeiPcdDb->Init.GuidTable, sizeof(PeiPcdDb->Init.GuidTable), Guid);
|
||||
|
||||
if (MatchGuid == NULL) {
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||||
*TokenNumber = PCD_INVALID_TOKEN_NUMBER;
|
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return EFI_NOT_FOUND;
|
||||
}
|
||||
|
||||
GuidTableIdx = MatchGuid - PeiPcdDb->Init.GuidTable;
|
||||
|
||||
ExMapTable = PeiPcdDb->Init.ExMapTable;
|
||||
|
||||
Found = FALSE;
|
||||
//
|
||||
// Locate the GUID in ExMapTable first.
|
||||
//
|
||||
for (i = 0; i < PEI_EXMAPPING_TABLE_SIZE; i++) {
|
||||
if (ExMapTable[i].ExGuidIndex == GuidTableIdx) {
|
||||
Found = TRUE;
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
if (Found) {
|
||||
if (*TokenNumber == PCD_INVALID_TOKEN_NUMBER) {
|
||||
*TokenNumber = ExMapTable[i].ExTokenNumber;
|
||||
return EFI_SUCCESS;
|
||||
}
|
||||
|
||||
for ( ; i < PEI_EXMAPPING_TABLE_SIZE; i++) {
|
||||
if (ExMapTable[i].ExTokenNumber == *TokenNumber) {
|
||||
i++;
|
||||
if (i == PEI_EXMAPPING_TABLE_SIZE) {
|
||||
//
|
||||
// Exceed the length of ExMap Table
|
||||
//
|
||||
*TokenNumber = PCD_INVALID_TOKEN_NUMBER;
|
||||
return EFI_SUCCESS;
|
||||
}
|
||||
if (ExMapTable[i].ExGuidIndex == GuidTableIdx) {
|
||||
*TokenNumber = ExMapTable[i].ExTokenNumber;
|
||||
return EFI_SUCCESS;
|
||||
} else {
|
||||
*TokenNumber = PCD_INVALID_TOKEN_NUMBER;
|
||||
return EFI_SUCCESS;
|
||||
}
|
||||
}
|
||||
}
|
||||
return EFI_NOT_FOUND;
|
||||
}
|
||||
}
|
||||
|
||||
return EFI_NOT_FOUND;
|
||||
}
|
||||
|
||||
|
||||
|
||||
EFI_STATUS
|
||||
EFIAPI
|
||||
PeiPcdGetNextTokenSpace (
|
||||
IN OUT CONST EFI_GUID **Guid
|
||||
)
|
||||
{
|
||||
UINTN GuidTableIdx;
|
||||
EFI_GUID *MatchGuid;
|
||||
PEI_PCD_DATABASE *PeiPcdDb;
|
||||
DYNAMICEX_MAPPING *ExMapTable;
|
||||
UINTN i;
|
||||
BOOLEAN Found;
|
||||
BOOLEAN PeiExMapTableEmpty;
|
||||
|
||||
if (!FeaturePcdGet (PcdPeiPcdDatabaseTraverseEnabled)) {
|
||||
return EFI_UNSUPPORTED;
|
||||
}
|
||||
|
||||
ASSERT (Guid != NULL);
|
||||
|
||||
PeiExMapTableEmpty = PEI_EXMAP_TABLE_EMPTY;
|
||||
|
||||
if (PeiExMapTableEmpty) {
|
||||
if (*Guid != NULL) {
|
||||
return EFI_NOT_FOUND;
|
||||
} else {
|
||||
return EFI_SUCCESS;
|
||||
}
|
||||
}
|
||||
|
||||
//
|
||||
// Assume PCD Database AutoGen tool is sorting the ExMap based on the following order
|
||||
// 1) ExGuid
|
||||
// 2) ExTokenNumber
|
||||
//
|
||||
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) {
|
||||
return EFI_NOT_FOUND;
|
||||
}
|
||||
|
||||
GuidTableIdx = MatchGuid - PeiPcdDb->Init.GuidTable;
|
||||
|
||||
Found = FALSE;
|
||||
for (i = 0; i < PEI_EXMAPPING_TABLE_SIZE; i++) {
|
||||
if (ExMapTable[i].ExGuidIndex == GuidTableIdx) {
|
||||
Found = TRUE;
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
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;
|
||||
|
||||
}
|
||||
|
||||
UINTN
|
||||
GetPtrTypeSize (
|
||||
IN UINTN LocalTokenNumberTableIdx,
|
||||
OUT UINTN *MaxSize,
|
||||
IN PEI_PCD_DATABASE *Database
|
||||
)
|
||||
{
|
||||
INTN SizeTableIdx;
|
||||
UINTN LocalTokenNumber;
|
||||
SKU_ID *SkuIdTable;
|
||||
SIZE_INFO *SizeTable;
|
||||
UINTN i;
|
||||
|
||||
SizeTableIdx = GetSizeTableIndex (LocalTokenNumberTableIdx, Database);
|
||||
|
||||
LocalTokenNumber = Database->Init.LocalTokenNumberTable[LocalTokenNumberTableIdx];
|
||||
|
||||
ASSERT ((LocalTokenNumber & PCD_DATUM_TYPE_ALL_SET) == PCD_DATUM_TYPE_POINTER);
|
||||
|
||||
SizeTable = Database->Init.SizeTable;
|
||||
|
||||
*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, Database);
|
||||
for (i = 0; i < SkuIdTable[0]; i++) {
|
||||
if (SkuIdTable[1 + i] == Database->Init.SystemSkuId) {
|
||||
return SizeTable[SizeTableIdx + 1 + i];
|
||||
}
|
||||
}
|
||||
return SizeTable[SizeTableIdx + 1];
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
|
||||
BOOLEAN
|
||||
SetPtrTypeSize (
|
||||
IN UINTN LocalTokenNumberTableIdx,
|
||||
IN OUT UINTN *CurrentSize,
|
||||
IN PEI_PCD_DATABASE *Database
|
||||
)
|
||||
{
|
||||
INTN SizeTableIdx;
|
||||
UINTN LocalTokenNumber;
|
||||
SKU_ID *SkuIdTable;
|
||||
SIZE_INFO *SizeTable;
|
||||
UINTN i;
|
||||
UINTN MaxSize;
|
||||
|
||||
SizeTableIdx = GetSizeTableIndex (LocalTokenNumberTableIdx, Database);
|
||||
|
||||
LocalTokenNumber = Database->Init.LocalTokenNumberTable[LocalTokenNumberTableIdx];
|
||||
|
||||
ASSERT ((LocalTokenNumber & PCD_DATUM_TYPE_ALL_SET) == PCD_DATUM_TYPE_POINTER);
|
||||
|
||||
SizeTable = Database->Init.SizeTable;
|
||||
|
||||
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, Database);
|
||||
for (i = 0; i < SkuIdTable[0]; i++) {
|
||||
if (SkuIdTable[1 + i] == Database->Init.SystemSkuId) {
|
||||
SizeTable[SizeTableIdx + 1 + i] = (SIZE_INFO) *CurrentSize;
|
||||
return TRUE;
|
||||
}
|
||||
}
|
||||
SizeTable[SizeTableIdx + 1] = (SIZE_INFO) *CurrentSize;
|
||||
return TRUE;
|
||||
}
|
||||
}
|
||||
|
||||
}
|
Reference in New Issue
Block a user