Initial import.
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@3 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
bbahnsen
951
MdePkg/Library/PeiPcdLib/PeiPcdLib.c
Normal file
951
MdePkg/Library/PeiPcdLib/PeiPcdLib.c
Normal file
@@ -0,0 +1,951 @@
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/** @file
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Implementation of PcdLib class library for PEI phase.
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Copyright (c) 2006, Intel Corporation<BR>
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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: PeiPcdLib.c
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**/
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/**
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The constructor function retrieve the PCD_PPI pointer.
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@param[in] VOID
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@retval PCD_PPI * The pointer to the PCD_PPI.
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**/
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PCD_PPI *
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GetPcdPpiPtr (
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VOID
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)
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{
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EFI_STATUS Status;
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PCD_PPI *PcdPpi;
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EFI_PEI_SERVICES **PeiServices;
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PeiServices = GetPeiServicesTablePointer ();
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Status = (**PeiServices).LocatePpi (
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PeiServices,
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&gPcdPpiGuid,
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0,
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NULL,
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(VOID **)&PcdPpi
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);
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ASSERT_EFI_ERROR (Status);
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return PcdPpi;
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}
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/**
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Sets the current SKU in the PCD database to the value specified by SkuId. SkuId is returned.
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@param[in] SkuId The SKU value that will be used when the PCD service will retrieve and
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set values associated with a PCD token.
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@retval UINTN Return the SKU ID that just be set.
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**/
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UINTN
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EFIAPI
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LibPcdSetSku (
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IN UINTN SkuId
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)
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{
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EFI_STATUS Status;
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PCD_PPI *PcdPpi;
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PcdPpi = GetPcdPpiPtr ();
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Status = PcdPpi->SetSku (SkuId);
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ASSERT_EFI_ERROR (Status);
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return SkuId;
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}
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/**
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Returns the 8-bit value for the token specified by TokenNumber.
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@param[in] The PCD token number to retrieve a current value for.
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@retval UINT8 Returns the 8-bit value for the token specified by TokenNumber.
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**/
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UINT8
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EFIAPI
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LibPcdGet8 (
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IN UINTN TokenNumber
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)
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{
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PCD_PPI * PcdPpi;
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PcdPpi = GetPcdPpiPtr ();
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return PcdPpi->Get8 (TokenNumber);
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}
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/**
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Returns the 16-bit value for the token specified by TokenNumber.
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@param[in] The PCD token number to retrieve a current value for.
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@retval UINT16 Returns the 16-bit value for the token specified by TokenNumber.
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**/
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UINT16
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EFIAPI
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LibPcdGet16 (
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IN UINTN TokenNumber
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)
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{
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PCD_PPI *PcdPpi;
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PcdPpi = GetPcdPpiPtr ();
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return PcdPpi->Get16 (TokenNumber);
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}
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/**
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Returns the 32-bit value for the token specified by TokenNumber.
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@param[in] TokenNumber The PCD token number to retrieve a current value for.
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@retval UINT32 Returns the 32-bit value for the token specified by TokenNumber.
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**/
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UINT32
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EFIAPI
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LibPcdGet32 (
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IN UINTN TokenNumber
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)
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{
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PCD_PPI * PcdPpi;
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PcdPpi = GetPcdPpiPtr ();
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return PcdPpi->Get32 (TokenNumber);
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}
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/**
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Returns the 64-bit value for the token specified by TokenNumber.
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@param[in] TokenNumber The PCD token number to retrieve a current value for.
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@retval UINT64 Returns the 64-bit value for the token specified by TokenNumber.
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**/
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UINT64
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EFIAPI
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LibPcdGet64 (
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IN UINTN TokenNumber
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)
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{
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PCD_PPI * PcdPpi;
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PcdPpi = GetPcdPpiPtr ();
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return PcdPpi->Get64 (TokenNumber);
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}
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/**
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Returns the pointer to the buffer of the token specified by TokenNumber.
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@param[in] TokenNumber The PCD token number to retrieve a current value for.
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@retval VOID* Returns the pointer to the token specified by TokenNumber.
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**/
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VOID *
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EFIAPI
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LibPcdGetPtr (
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IN UINTN TokenNumber
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)
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{
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PCD_PPI * PcdPpi;
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PcdPpi = GetPcdPpiPtr ();
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return PcdPpi->GetPtr (TokenNumber);
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}
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/**
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Returns the Boolean value of the token specified by TokenNumber.
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@param[in] TokenNumber The PCD token number to retrieve a current value for.
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@retval BOOLEAN Returns the Boolean value of the token specified by TokenNumber.
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**/
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BOOLEAN
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EFIAPI
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LibPcdGetBool (
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IN UINTN TokenNumber
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)
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{
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PCD_PPI * PcdPpi;
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PcdPpi = GetPcdPpiPtr ();
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return PcdPpi->GetBool (TokenNumber);
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}
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/**
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Returns the size of the token specified by TokenNumber.
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@param[in] TokenNumber The PCD token number to retrieve a current value for.
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@retval UINTN Returns the size of the token specified by TokenNumber.
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**/
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UINTN
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EFIAPI
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LibPcdGetSize (
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IN UINTN TokenNumber
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)
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{
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PCD_PPI * PcdPpi;
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PcdPpi = GetPcdPpiPtr ();
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return PcdPpi->GetSize (TokenNumber);
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}
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||||
/**
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Returns the 8-bit value for the token specified by TokenNumber and Guid.
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If Guid is NULL, then ASSERT().
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@param[in] Guid Pointer to a 128-bit unique value that designates
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which namespace to retrieve a value from.
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@param[in] TokenNumber The PCD token number to retrieve a current value for.
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@retval UINT8 Return the UINT8.
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**/
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UINT8
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EFIAPI
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LibPcdGetEx8 (
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IN CONST GUID *Guid,
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IN UINTN TokenNumber
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)
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{
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PCD_PPI * PcdPpi;
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PcdPpi = GetPcdPpiPtr ();
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return PcdPpi->Get8Ex (Guid, TokenNumber);
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}
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||||
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||||
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||||
/**
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Returns the 16-bit value for the token specified by TokenNumber and Guid.
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If Guid is NULL, then ASSERT().
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@param[in] Guid Pointer to a 128-bit unique value that designates
|
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which namespace to retrieve a value from.
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@param[in] TokenNumber The PCD token number to retrieve a current value for.
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@retval UINT16 Return the UINT16.
|
||||
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**/
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UINT16
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EFIAPI
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LibPcdGetEx16 (
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IN CONST GUID *Guid,
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IN UINTN TokenNumber
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)
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{
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PCD_PPI * PcdPpi;
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PcdPpi = GetPcdPpiPtr ();
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return PcdPpi->Get16Ex (Guid, TokenNumber);
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}
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||||
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||||
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/**
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Returns the 32-bit value for the token specified by TokenNumber and Guid.
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If Guid is NULL, then ASSERT().
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|
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@param[in] Guid Pointer to a 128-bit unique value that designates
|
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which namespace to retrieve a value from.
|
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@param[in] TokenNumber The PCD token number to retrieve a current value for.
|
||||
|
||||
@retval UINT32 Return the UINT32.
|
||||
|
||||
**/
|
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UINT32
|
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EFIAPI
|
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LibPcdGetEx32 (
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IN CONST GUID *Guid,
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IN UINTN TokenNumber
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||||
)
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{
|
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PCD_PPI * PcdPpi;
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PcdPpi = GetPcdPpiPtr ();
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return PcdPpi->Get32Ex (Guid, TokenNumber);
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}
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||||
|
||||
|
||||
|
||||
|
||||
/**
|
||||
Returns the 64-bit value for the token specified by TokenNumber and Guid.
|
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If Guid is NULL, then ASSERT().
|
||||
|
||||
@param[in] Guid Pointer to a 128-bit unique value that designates
|
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which namespace to retrieve a value from.
|
||||
@param[in] TokenNumber The PCD token number to retrieve a current value for.
|
||||
|
||||
@retval UINT64 Return the UINT64.
|
||||
|
||||
**/
|
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UINT64
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||||
EFIAPI
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||||
LibPcdGetEx64 (
|
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IN CONST GUID *Guid,
|
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IN UINTN TokenNumber
|
||||
)
|
||||
{
|
||||
PCD_PPI * PcdPpi;
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|
||||
PcdPpi = GetPcdPpiPtr ();
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return PcdPpi->Get64Ex (Guid, TokenNumber);
|
||||
}
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|
||||
|
||||
|
||||
/**
|
||||
Returns the pointer to the token specified by TokenNumber and Guid.
|
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If Guid is NULL, then ASSERT().
|
||||
|
||||
@param[in] Guid Pointer to a 128-bit unique value that designates
|
||||
which namespace to retrieve a value from.
|
||||
@param[in] TokenNumber The PCD token number to retrieve a current value for.
|
||||
|
||||
@retval VOID* Return the VOID* pointer.
|
||||
|
||||
**/
|
||||
VOID *
|
||||
EFIAPI
|
||||
LibPcdGetExPtr (
|
||||
IN CONST GUID *Guid,
|
||||
IN UINTN TokenNumber
|
||||
)
|
||||
{
|
||||
PCD_PPI * PcdPpi;
|
||||
|
||||
PcdPpi = GetPcdPpiPtr ();
|
||||
|
||||
return PcdPpi->GetPtrEx (Guid, TokenNumber);
|
||||
}
|
||||
|
||||
|
||||
|
||||
/**
|
||||
Returns the Boolean value of the token specified by TokenNumber and Guid.
|
||||
If Guid is NULL, then ASSERT().
|
||||
|
||||
@param[in] Guid Pointer to a 128-bit unique value that designates
|
||||
which namespace to retrieve a value from.
|
||||
@param[in] TokenNumber The PCD token number to retrieve a current value for.
|
||||
|
||||
@retval BOOLEAN Return the BOOLEAN.
|
||||
|
||||
**/
|
||||
BOOLEAN
|
||||
EFIAPI
|
||||
LibPcdGetExBool (
|
||||
IN CONST GUID *Guid,
|
||||
IN UINTN TokenNumber
|
||||
)
|
||||
{
|
||||
PCD_PPI * PcdPpi;
|
||||
|
||||
PcdPpi = GetPcdPpiPtr ();
|
||||
|
||||
return PcdPpi->GetBoolEx (Guid, TokenNumber);
|
||||
}
|
||||
|
||||
|
||||
|
||||
/**
|
||||
Returns the size of the token specified by TokenNumber and Guid.
|
||||
If Guid is NULL, then ASSERT().
|
||||
|
||||
@param[in] Guid Pointer to a 128-bit unique value that designates
|
||||
which namespace to retrieve a value from.
|
||||
@param[in] TokenNumber The PCD token number to retrieve a current value for.
|
||||
|
||||
@retval UINTN Return the size.
|
||||
|
||||
**/
|
||||
UINTN
|
||||
EFIAPI
|
||||
LibPcdGetExSize (
|
||||
IN CONST GUID *Guid,
|
||||
IN UINTN TokenNumber
|
||||
)
|
||||
{
|
||||
PCD_PPI * PcdPpi;
|
||||
|
||||
PcdPpi = GetPcdPpiPtr ();
|
||||
|
||||
return PcdPpi->GetSizeEx (Guid, TokenNumber);
|
||||
}
|
||||
|
||||
|
||||
|
||||
/**
|
||||
Sets the 8-bit value for the token specified by TokenNumber
|
||||
to the value specified by Value. Value is returned.
|
||||
|
||||
@param[in] TokenNumber The PCD token number to set a current value for.
|
||||
@param[in] Value The 8-bit value to set.
|
||||
|
||||
@retval UINT8 Return the value been set.
|
||||
|
||||
**/
|
||||
UINT8
|
||||
EFIAPI
|
||||
LibPcdSet8 (
|
||||
IN UINTN TokenNumber,
|
||||
IN UINT8 Value
|
||||
)
|
||||
{
|
||||
EFI_STATUS Status;
|
||||
PCD_PPI * PcdPpi;
|
||||
|
||||
PcdPpi = GetPcdPpiPtr ();
|
||||
|
||||
|
||||
Status = PcdPpi->Set8 (TokenNumber, Value);
|
||||
|
||||
ASSERT_EFI_ERROR (Status);
|
||||
|
||||
return Value;
|
||||
}
|
||||
|
||||
|
||||
|
||||
/**
|
||||
Sets the 16-bit value for the token specified by TokenNumber
|
||||
to the value specified by Value. Value is returned.
|
||||
|
||||
@param[in] TokenNumber The PCD token number to set a current value for.
|
||||
@param[in] Value The 16-bit value to set.
|
||||
|
||||
@retval UINT16 Return the value been set.
|
||||
|
||||
**/
|
||||
UINT16
|
||||
EFIAPI
|
||||
LibPcdSet16 (
|
||||
IN UINTN TokenNumber,
|
||||
IN UINT16 Value
|
||||
)
|
||||
{
|
||||
EFI_STATUS Status;
|
||||
PCD_PPI * PcdPpi;
|
||||
|
||||
PcdPpi = GetPcdPpiPtr ();
|
||||
|
||||
|
||||
Status = PcdPpi->Set16 (TokenNumber, Value);
|
||||
|
||||
ASSERT_EFI_ERROR (Status);
|
||||
|
||||
return Value;
|
||||
}
|
||||
|
||||
|
||||
|
||||
/**
|
||||
Sets the 32-bit value for the token specified by TokenNumber
|
||||
to the value specified by Value. Value is returned.
|
||||
|
||||
@param[in] TokenNumber The PCD token number to set a current value for.
|
||||
@param[in] Value The 32-bit value to set.
|
||||
|
||||
@retval UINT32 Return the value been set.
|
||||
|
||||
**/
|
||||
UINT32
|
||||
EFIAPI
|
||||
LibPcdSet32 (
|
||||
IN UINTN TokenNumber,
|
||||
IN UINT32 Value
|
||||
)
|
||||
{
|
||||
EFI_STATUS Status;
|
||||
PCD_PPI * PcdPpi;
|
||||
|
||||
PcdPpi = GetPcdPpiPtr ();
|
||||
|
||||
Status = PcdPpi->Set32 (TokenNumber, Value);
|
||||
|
||||
ASSERT_EFI_ERROR (Status);
|
||||
|
||||
return Value;
|
||||
}
|
||||
|
||||
|
||||
|
||||
/**
|
||||
Sets the 64-bit value for the token specified by TokenNumber
|
||||
to the value specified by Value. Value is returned.
|
||||
|
||||
@param[in] TokenNumber The PCD token number to set a current value for.
|
||||
@param[in] Value The 64-bit value to set.
|
||||
|
||||
@retval UINT64 Return the value been set.
|
||||
|
||||
**/
|
||||
UINT64
|
||||
EFIAPI
|
||||
LibPcdSet64 (
|
||||
IN UINTN TokenNumber,
|
||||
IN UINT64 Value
|
||||
)
|
||||
{
|
||||
EFI_STATUS Status;
|
||||
PCD_PPI * PcdPpi;
|
||||
|
||||
PcdPpi = GetPcdPpiPtr ();
|
||||
|
||||
|
||||
Status = PcdPpi->Set64 (TokenNumber, Value);
|
||||
|
||||
ASSERT_EFI_ERROR (Status);
|
||||
|
||||
return Value;
|
||||
}
|
||||
|
||||
|
||||
|
||||
/**
|
||||
Sets a buffer for the token specified by TokenNumber to
|
||||
the value specified by Value. Value is returned.
|
||||
If Value is NULL, then ASSERT().
|
||||
|
||||
@param[in] TokenNumber The PCD token number to set a current value for.
|
||||
@param[in] Value A pointer to the buffer to set.
|
||||
|
||||
@retval VOID* Return the pointer for the buffer been set.
|
||||
|
||||
**/
|
||||
VOID *
|
||||
EFIAPI
|
||||
LibPcdSetPtr (
|
||||
IN UINTN TokenNumber,
|
||||
IN CONST VOID *Value
|
||||
)
|
||||
{
|
||||
EFI_STATUS Status;
|
||||
PCD_PPI * PcdPpi;
|
||||
|
||||
PcdPpi = GetPcdPpiPtr ();
|
||||
|
||||
|
||||
Status = PcdPpi->SetPtr (TokenNumber, Value);
|
||||
|
||||
ASSERT_EFI_ERROR (Status);
|
||||
|
||||
return (VOID *)Value;
|
||||
}
|
||||
|
||||
|
||||
|
||||
/**
|
||||
Sets the Boolean value for the token specified by TokenNumber
|
||||
to the value specified by Value. Value is returned.
|
||||
|
||||
@param[in] TokenNumber The PCD token number to set a current value for.
|
||||
@param[in] Value The boolean value to set.
|
||||
|
||||
@retval BOOLEAN Return the value been set.
|
||||
|
||||
**/
|
||||
BOOLEAN
|
||||
EFIAPI
|
||||
LibPcdSetBool (
|
||||
IN UINTN TokenNumber,
|
||||
IN BOOLEAN Value
|
||||
)
|
||||
{
|
||||
EFI_STATUS Status;
|
||||
PCD_PPI * PcdPpi;
|
||||
|
||||
PcdPpi = GetPcdPpiPtr ();
|
||||
|
||||
|
||||
Status = PcdPpi->SetBool (TokenNumber, Value);
|
||||
|
||||
ASSERT_EFI_ERROR (Status);
|
||||
|
||||
return Value;
|
||||
}
|
||||
|
||||
|
||||
|
||||
/**
|
||||
Sets the 8-bit value for the token specified by TokenNumber and
|
||||
Guid to the value specified by Value. Value is returned.
|
||||
If Guid is NULL, then ASSERT().
|
||||
|
||||
@param[in] Guid Pointer to a 128-bit unique value that
|
||||
designates which namespace to set a value from.
|
||||
@param[in] TokenNumber The PCD token number to set a current value for.
|
||||
@param[in] Value The 8-bit value to set.
|
||||
|
||||
@retval UINT8 Return the value been set.
|
||||
|
||||
**/
|
||||
UINT8
|
||||
EFIAPI
|
||||
LibPcdSetEx8 (
|
||||
IN CONST GUID *Guid,
|
||||
IN UINTN TokenNumber,
|
||||
IN UINT8 Value
|
||||
)
|
||||
{
|
||||
EFI_STATUS Status;
|
||||
PCD_PPI * PcdPpi;
|
||||
|
||||
PcdPpi = GetPcdPpiPtr ();
|
||||
|
||||
|
||||
Status = PcdPpi->Set8Ex (Guid, TokenNumber, Value);
|
||||
|
||||
ASSERT_EFI_ERROR (Status);
|
||||
|
||||
return Value;
|
||||
}
|
||||
|
||||
|
||||
|
||||
/**
|
||||
Sets the 16-bit value for the token specified by TokenNumber and
|
||||
Guid to the value specified by Value. Value is returned.
|
||||
If Guid is NULL, then ASSERT().
|
||||
|
||||
@param[in] Guid Pointer to a 128-bit unique value that
|
||||
designates which namespace to set a value from.
|
||||
@param[in] TokenNumber The PCD token number to set a current value for.
|
||||
@param[in] Value The 16-bit value to set.
|
||||
|
||||
@retval UINT8 Return the value been set.
|
||||
|
||||
**/
|
||||
UINT16
|
||||
EFIAPI
|
||||
LibPcdSetEx16 (
|
||||
IN CONST GUID *Guid,
|
||||
IN UINTN TokenNumber,
|
||||
IN UINT16 Value
|
||||
)
|
||||
{
|
||||
EFI_STATUS Status;
|
||||
PCD_PPI * PcdPpi;
|
||||
|
||||
PcdPpi = GetPcdPpiPtr ();
|
||||
|
||||
|
||||
Status = PcdPpi->Set16Ex (Guid, TokenNumber, Value);
|
||||
|
||||
ASSERT_EFI_ERROR (Status);
|
||||
|
||||
return Value;
|
||||
}
|
||||
|
||||
|
||||
|
||||
/**
|
||||
Sets the 32-bit value for the token specified by TokenNumber and
|
||||
Guid to the value specified by Value. Value is returned.
|
||||
If Guid is NULL, then ASSERT().
|
||||
|
||||
@param[in] Guid Pointer to a 128-bit unique value that
|
||||
designates which namespace to set a value from.
|
||||
@param[in] TokenNumber The PCD token number to set a current value for.
|
||||
@param[in] Value The 32-bit value to set.
|
||||
|
||||
@retval UINT32 Return the value been set.
|
||||
|
||||
**/
|
||||
UINT32
|
||||
EFIAPI
|
||||
LibPcdSetEx32 (
|
||||
IN CONST GUID *Guid,
|
||||
IN UINTN TokenNumber,
|
||||
IN UINT32 Value
|
||||
)
|
||||
{
|
||||
EFI_STATUS Status;
|
||||
PCD_PPI * PcdPpi;
|
||||
|
||||
PcdPpi = GetPcdPpiPtr ();
|
||||
|
||||
|
||||
Status = PcdPpi->Set32Ex (Guid, TokenNumber, Value);
|
||||
|
||||
ASSERT_EFI_ERROR (Status);
|
||||
|
||||
return Value;
|
||||
}
|
||||
|
||||
|
||||
|
||||
/**
|
||||
Sets the 64-bit value for the token specified by TokenNumber and
|
||||
Guid to the value specified by Value. Value is returned.
|
||||
If Guid is NULL, then ASSERT().
|
||||
|
||||
@param[in] Guid Pointer to a 128-bit unique value that
|
||||
designates which namespace to set a value from.
|
||||
@param[in] TokenNumber The PCD token number to set a current value for.
|
||||
@param[in] Value The 64-bit value to set.
|
||||
|
||||
@retval UINT64 Return the value been set.
|
||||
|
||||
**/
|
||||
UINT64
|
||||
EFIAPI
|
||||
LibPcdSetEx64 (
|
||||
IN CONST GUID *Guid,
|
||||
IN UINTN TokenNumber,
|
||||
IN UINT64 Value
|
||||
)
|
||||
{
|
||||
EFI_STATUS Status;
|
||||
PCD_PPI * PcdPpi;
|
||||
|
||||
PcdPpi = GetPcdPpiPtr ();
|
||||
|
||||
|
||||
Status = PcdPpi->Set64Ex (Guid, TokenNumber, Value);
|
||||
|
||||
ASSERT_EFI_ERROR (Status);
|
||||
|
||||
return Value;
|
||||
}
|
||||
|
||||
|
||||
|
||||
/**
|
||||
Sets a buffer for the token specified by TokenNumber and
|
||||
Guid to the value specified by Value. Value is returned.
|
||||
If Guid is NULL, then ASSERT().
|
||||
If Value is NULL, then ASSERT().
|
||||
|
||||
@param[in] Guid Pointer to a 128-bit unique value that
|
||||
designates which namespace to set a value from.
|
||||
@param[in] TokenNumber The PCD token number to set a current value for.
|
||||
@param[in] Value The 8-bit value to set.
|
||||
|
||||
@retval VOID * Return the value been set.
|
||||
|
||||
**/
|
||||
VOID *
|
||||
EFIAPI
|
||||
LibPcdSetExPtr (
|
||||
IN CONST GUID *Guid,
|
||||
IN UINTN TokenNumber,
|
||||
IN CONST VOID *Value
|
||||
)
|
||||
{
|
||||
EFI_STATUS Status;
|
||||
PCD_PPI * PcdPpi;
|
||||
|
||||
PcdPpi = GetPcdPpiPtr ();
|
||||
|
||||
|
||||
Status = PcdPpi->SetPtrEx (Guid, TokenNumber, Value);
|
||||
|
||||
ASSERT_EFI_ERROR (Status);
|
||||
|
||||
return (VOID *)Value;
|
||||
}
|
||||
|
||||
|
||||
|
||||
/**
|
||||
Sets the Boolean value for the token specified by TokenNumber and
|
||||
Guid to the value specified by Value. Value is returned.
|
||||
If Guid is NULL, then ASSERT().
|
||||
|
||||
@param[in] Guid Pointer to a 128-bit unique value that
|
||||
designates which namespace to set a value from.
|
||||
@param[in] TokenNumber The PCD token number to set a current value for.
|
||||
@param[in] Value The Boolean value to set.
|
||||
|
||||
@retval Boolean Return the value been set.
|
||||
|
||||
**/
|
||||
BOOLEAN
|
||||
EFIAPI
|
||||
LibPcdSetExBool (
|
||||
IN CONST GUID *Guid,
|
||||
IN UINTN TokenNumber,
|
||||
IN BOOLEAN Value
|
||||
)
|
||||
{
|
||||
EFI_STATUS Status;
|
||||
PCD_PPI * PcdPpi;
|
||||
|
||||
PcdPpi = GetPcdPpiPtr ();
|
||||
|
||||
|
||||
Status = PcdPpi->SetBoolEx (Guid, TokenNumber, Value);
|
||||
|
||||
ASSERT_EFI_ERROR (Status);
|
||||
|
||||
return Value;
|
||||
}
|
||||
|
||||
|
||||
|
||||
/**
|
||||
When the token specified by TokenNumber and Guid is set,
|
||||
then notification function specified by NotificationFunction is called.
|
||||
If Guid is NULL, then the default token space is used.
|
||||
If NotificationFunction is NULL, then ASSERT().
|
||||
|
||||
@param[in] Guid Pointer to a 128-bit unique value that designates which
|
||||
namespace to set a value from. If NULL, then the default
|
||||
token space is used.
|
||||
@param[in] TokenNumber The PCD token number to monitor.
|
||||
@param[in] NotificationFunction The function to call when the token
|
||||
specified by Guid and TokenNumber is set.
|
||||
|
||||
@retval VOID
|
||||
|
||||
**/
|
||||
VOID
|
||||
EFIAPI
|
||||
LibPcdCallbackOnSet (
|
||||
IN CONST GUID *Guid, OPTIONAL
|
||||
IN UINTN TokenNumber,
|
||||
IN PCD_CALLBACK NotificationFunction
|
||||
)
|
||||
{
|
||||
EFI_STATUS Status;
|
||||
PCD_PPI * PcdPpi;
|
||||
|
||||
PcdPpi = GetPcdPpiPtr ();
|
||||
|
||||
|
||||
Status = PcdPpi->CallbackOnSet (TokenNumber, Guid, NotificationFunction);
|
||||
|
||||
ASSERT_EFI_ERROR (Status);
|
||||
|
||||
return;
|
||||
}
|
||||
|
||||
|
||||
|
||||
/**
|
||||
Disable a notification function that was established with LibPcdCallbackonSet().
|
||||
If NotificationFunction is NULL, then ASSERT().
|
||||
|
||||
@param[in] Guid Specify the GUID token space.
|
||||
@param[in] TokenNumber Specify the token number.
|
||||
@param[in] NotificationFunction The callback function to be unregistered.
|
||||
|
||||
@retval VOID
|
||||
|
||||
**/
|
||||
VOID
|
||||
EFIAPI
|
||||
LibPcdCancelCallback (
|
||||
IN CONST GUID *Guid, OPTIONAL
|
||||
IN UINTN TokenNumber,
|
||||
IN PCD_CALLBACK NotificationFunction
|
||||
)
|
||||
{
|
||||
EFI_STATUS Status;
|
||||
PCD_PPI * PcdPpi;
|
||||
|
||||
PcdPpi = GetPcdPpiPtr ();
|
||||
|
||||
|
||||
Status = PcdPpi->CancelCallback (TokenNumber, Guid, NotificationFunction);
|
||||
|
||||
ASSERT_EFI_ERROR (Status);
|
||||
|
||||
return;
|
||||
}
|
||||
|
||||
|
||||
|
||||
/**
|
||||
Retrieves the next PCD token number from the token space specified by Guid.
|
||||
If Guid is NULL, then the default token space is used. If TokenNumber is 0,
|
||||
then the first token number is returned. Otherwise, the token number that
|
||||
follows TokenNumber in the token space is returned. If TokenNumber is the last
|
||||
token number in the token space, then 0 is returned. If TokenNumber is not 0 and
|
||||
is not in the token space specified by Guid, then ASSERT().
|
||||
|
||||
@param[in] Pointer to a 128-bit unique value that designates which namespace
|
||||
to set a value from. If NULL, then the default token space is used.
|
||||
@param[in] The previous PCD token number. If 0, then retrieves the first PCD
|
||||
token number.
|
||||
|
||||
@retval UINTN The next valid token number.
|
||||
|
||||
**/
|
||||
UINTN
|
||||
EFIAPI
|
||||
LibPcdGetNextToken (
|
||||
IN CONST GUID *Guid, OPTIONAL
|
||||
IN OUT UINTN *TokenNumber
|
||||
)
|
||||
{
|
||||
EFI_STATUS Status;
|
||||
PCD_PPI * PcdPpi;
|
||||
|
||||
PcdPpi = GetPcdPpiPtr ();
|
||||
|
||||
|
||||
Status = PcdPpi->GetNextToken (Guid, TokenNumber);
|
||||
|
||||
ASSERT_EFI_ERROR (Status);
|
||||
|
||||
return (*TokenNumber);
|
||||
}
|
||||
Reference in New Issue
Block a user