mirror of https://github.com/acidanthera/audk.git
854 lines
19 KiB
C
854 lines
19 KiB
C
/** @file
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A emptry template implementation of PCD Library.
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Copyright (c) 2006 - 2008, 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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**/
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#include <Base.h>
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#include <Library/DebugLib.h>
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#include <Library/PcdLib.h>
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#include <Library/BaseMemoryLib.h>
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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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@return 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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ASSERT (FALSE);
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return 0;
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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] TokenNumber The PCD token number to retrieve a current value for.
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@return 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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ASSERT (FALSE);
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return 0;
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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] TokenNumber The PCD token number to retrieve a current value for.
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@return 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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ASSERT (FALSE);
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return 0;
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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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@return 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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ASSERT (FALSE);
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return 0;
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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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@return 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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ASSERT (FALSE);
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return 0;
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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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@return 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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ASSERT (FALSE);
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return 0;
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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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@return 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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ASSERT (FALSE);
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return 0;
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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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@return 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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ASSERT (FALSE);
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return 0;
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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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@return 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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ASSERT (FALSE);
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return 0;
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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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@return 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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ASSERT (FALSE);
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return 0;
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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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@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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@return Return the UINT32.
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**/
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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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ASSERT (FALSE);
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return 0;
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}
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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().
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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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@return Return the UINT64.
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**/
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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
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)
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{
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ASSERT (FALSE);
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return 0;
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}
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/**
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Returns the pointer to the buffer of 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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@return Return the VOID* pointer.
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**/
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VOID *
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EFIAPI
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LibPcdGetExPtr (
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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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ASSERT (FALSE);
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return 0;
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}
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/**
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Returns the Boolean value of 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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@return Return the BOOLEAN.
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**/
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BOOLEAN
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EFIAPI
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LibPcdGetExBool (
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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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ASSERT (FALSE);
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return 0;
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}
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/**
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Returns the size of 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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@return Return the size.
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**/
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UINTN
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EFIAPI
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LibPcdGetExSize (
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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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ASSERT (FALSE);
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return 0;
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}
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/**
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Sets the 8-bit value for the token specified by TokenNumber
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to the value specified by Value. Value is returned.
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@param[in] TokenNumber The PCD token number to set a current value for.
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@param[in] Value The 8-bit value to set.
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@return Return the value been set.
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**/
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UINT8
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EFIAPI
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LibPcdSet8 (
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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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ASSERT (FALSE);
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return 0;
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}
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/**
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Sets the 16-bit value for the token specified by TokenNumber
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to the value specified by Value. Value is returned.
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@param[in] TokenNumber The PCD token number to set a current value for.
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@param[in] Value The 16-bit value to set.
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@return Return the value been set.
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**/
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UINT16
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EFIAPI
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LibPcdSet16 (
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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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ASSERT (FALSE);
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return 0;
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}
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/**
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Sets the 32-bit value for the token specified by TokenNumber
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to the value specified by Value. Value is returned.
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@param[in] TokenNumber The PCD token number to set a current value for.
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@param[in] Value The 32-bit value to set.
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@return Return the value been set.
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**/
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UINT32
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EFIAPI
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LibPcdSet32 (
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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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ASSERT (FALSE);
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return 0;
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}
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/**
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Sets the 64-bit value for the token specified by TokenNumber
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to the value specified by Value. Value is returned.
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@param[in] TokenNumber The PCD token number to set a current value for.
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@param[in] Value The 64-bit value to set.
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@return Return the value been set.
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**/
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UINT64
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EFIAPI
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LibPcdSet64 (
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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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ASSERT (FALSE);
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return 0;
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}
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/**
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Sets a buffer for the token specified by TokenNumber to
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the value specified by Buffer and SizeOfValue. Buffer to
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be set is returned. The content of the buffer could be
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overwritten if a Callback on SET is registered with this
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TokenNumber.
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If SizeOfValue is greater than the maximum
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size support by TokenNumber, then set SizeOfValue to the
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maximum size supported by TokenNumber and return NULL to
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indicate that the set operation was not actually performed.
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If SizeOfValue > 0 and Buffer is NULL, then ASSERT().
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@param[in] TokenNumber The PCD token number to set a current value for.
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@param[in, out] SizeOfBuffer The size, in bytes, of Buffer.
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@param[in] Buffer A pointer to the buffer to set.
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@return Return the pointer for the buffer been set.
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**/
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VOID *
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EFIAPI
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LibPcdSetPtr (
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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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ASSERT (FALSE);
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return NULL;
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}
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/**
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Sets the Boolean value for the token specified by TokenNumber
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to the value specified by Value. Value is returned.
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@param[in] TokenNumber The PCD token number to set a current value for.
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@param[in] Value The boolean value to set.
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@return Return the value been set.
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**/
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BOOLEAN
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EFIAPI
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LibPcdSetBool (
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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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ASSERT (FALSE);
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return FALSE;
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}
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/**
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Sets the 8-bit value for the token specified by TokenNumber and
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Guid to the value specified by Value. Value is returned.
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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
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designates which namespace to set a value from.
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@param[in] TokenNumber The PCD token number to set a current value for.
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@param[in] Value The 8-bit value to set.
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@return Return the value been set.
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**/
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UINT8
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EFIAPI
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LibPcdSetEx8 (
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IN CONST GUID *Guid,
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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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ASSERT (FALSE);
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return 0;
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}
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/**
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Sets the 16-bit value for the token specified by TokenNumber and
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Guid to the value specified by Value. Value is returned.
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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
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designates which namespace to set a value from.
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@param[in] TokenNumber The PCD token number to set a current value for.
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@param[in] Value The 16-bit value to set.
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@return Return the value been set.
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**/
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UINT16
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EFIAPI
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LibPcdSetEx16 (
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IN CONST GUID *Guid,
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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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ASSERT (FALSE);
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return 0;
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}
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/**
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Sets the 32-bit value for the token specified by TokenNumber and
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Guid to the value specified by Value. Value is returned.
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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
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|
designates which namespace to set a value from.
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@param[in] TokenNumber The PCD token number to set a current value for.
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@param[in] Value The 32-bit value to set.
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@return Return the value been set.
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**/
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UINT32
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EFIAPI
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LibPcdSetEx32 (
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IN CONST GUID *Guid,
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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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ASSERT (FALSE);
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return 0;
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}
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|
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/**
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Sets the 64-bit value for the token specified by TokenNumber and
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Guid to the value specified by Value. Value is returned.
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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
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|
designates which namespace to set a value from.
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@param[in] TokenNumber The PCD token number to set a current value for.
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@param[in] Value The 64-bit value to set.
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@return Return the value been set.
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**/
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UINT64
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EFIAPI
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LibPcdSetEx64 (
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IN CONST GUID *Guid,
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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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ASSERT (FALSE);
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return 0;
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}
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/**
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Sets a buffer for the token specified by TokenNumber to the value specified by
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Buffer and SizeOfValue. Buffer is returned. If SizeOfValue is greater than
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the maximum size support by TokenNumber, then set SizeOfValue to the maximum size
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supported by TokenNumber and return NULL to indicate that the set operation
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was not actually performed.
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If SizeOfValue > 0 and Buffer is NULL, then ASSERT().
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@param[in] Guid Pointer to a 128-bit unique value that
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designates which namespace to set a value from.
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@param[in] TokenNumber The PCD token number to set a current value for.
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@param[in, out] SizeOfBuffer The size, in bytes, of Buffer.
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@param[in] Buffer A pointer to the buffer to set.
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@return Return the pinter to the buffer been set.
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**/
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VOID *
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EFIAPI
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LibPcdSetExPtr (
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IN CONST GUID *Guid,
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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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ASSERT (FALSE);
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return NULL;
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}
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|
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/**
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Sets the Boolean value for the token specified by TokenNumber and
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Guid to the value specified by Value. Value is returned.
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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
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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.
|
|
|
|
@return Return the value been set.
|
|
|
|
**/
|
|
BOOLEAN
|
|
EFIAPI
|
|
LibPcdSetExBool (
|
|
IN CONST GUID *Guid,
|
|
IN UINTN TokenNumber,
|
|
IN BOOLEAN Value
|
|
)
|
|
{
|
|
ASSERT (FALSE);
|
|
|
|
return FALSE;
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
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
|
|
)
|
|
{
|
|
ASSERT (FALSE);
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
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
|
|
)
|
|
{
|
|
ASSERT (FALSE);
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
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] 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 previous PCD token number. If 0, then retrieves the first PCD
|
|
token number.
|
|
|
|
@return The next valid token number.
|
|
|
|
**/
|
|
UINTN
|
|
EFIAPI
|
|
LibPcdGetNextToken (
|
|
IN CONST GUID *Guid, OPTIONAL
|
|
IN UINTN TokenNumber
|
|
)
|
|
{
|
|
ASSERT (FALSE);
|
|
|
|
return 0;
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
Retrieves the next PCD token space from a token space specified by Guid.
|
|
Guid of NULL is reserved to mark the default local token namespace on the current
|
|
platform. If Guid is NULL, then the GUID of the first non-local token space of the
|
|
current platform is returned. If Guid is the last non-local token space,
|
|
then NULL is returned.
|
|
|
|
If Guid is not NULL and is not a valid token space in the current platform, then ASSERT().
|
|
|
|
|
|
|
|
@param[in] Guid Pointer to a 128-bit unique value that designates from which namespace
|
|
to start the search.
|
|
|
|
@return The next valid token namespace.
|
|
|
|
**/
|
|
GUID *
|
|
EFIAPI
|
|
LibPcdGetNextTokenSpace (
|
|
IN CONST GUID *Guid
|
|
)
|
|
{
|
|
ASSERT (FALSE);
|
|
|
|
return NULL;
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
Sets the PCD entry specified by PatchVariable to the value specified by Buffer
|
|
and SizeOfValue. Buffer is returned. If SizeOfValue is greater than
|
|
MaximumDatumSize, then set SizeOfValue to MaximumDatumSize and return
|
|
NULL to indicate that the set operation was not actually performed.
|
|
If SizeOfValue is set to MAX_ADDRESS, then SizeOfValue must be set to
|
|
MaximumDatumSize and NULL must be returned.
|
|
|
|
If PatchVariable is NULL, then ASSERT().
|
|
If SizeOfValue is NULL, then ASSERT().
|
|
If SizeOfValue > 0 and Buffer is NULL, then ASSERT().
|
|
|
|
@param[in] PatchVariable A pointer to the global variable in a module that is
|
|
the target of the set operation.
|
|
@param[in] MaximumDatumSize The maximum size allowed for the PCD entry specified by PatchVariable.
|
|
@param[in, out] SizeOfBuffer A pointer to the size, in bytes, of Buffer.
|
|
@param[in] Buffer A pointer to the buffer to used to set the target variable.
|
|
@return Return the pinter to the buffer been set.
|
|
|
|
**/
|
|
VOID *
|
|
EFIAPI
|
|
LibPatchPcdSetPtr (
|
|
IN VOID *PatchVariable,
|
|
IN UINTN MaximumDatumSize,
|
|
IN OUT UINTN *SizeOfBuffer,
|
|
IN CONST VOID *Buffer
|
|
)
|
|
{
|
|
ASSERT (PatchVariable != NULL);
|
|
ASSERT (SizeOfBuffer != NULL);
|
|
|
|
if (*SizeOfBuffer > 0) {
|
|
ASSERT (Buffer != NULL);
|
|
}
|
|
|
|
if ((*SizeOfBuffer > MaximumDatumSize) ||
|
|
(*SizeOfBuffer == MAX_ADDRESS)) {
|
|
*SizeOfBuffer = MaximumDatumSize;
|
|
return NULL;
|
|
}
|
|
|
|
CopyMem (PatchVariable, Buffer, *SizeOfBuffer);
|
|
|
|
return (VOID *) Buffer;
|
|
}
|
|
|