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1626 lines
42 KiB
1626 lines
42 KiB
/** @file
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Implementation of PcdLib class library for PEI phase.
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Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR>
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This program and the accompanying materials
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are licensed and made available under the terms and conditions of the BSD License
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which accompanies this distribution. The full text of the license may be found at
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http://opensource.org/licenses/bsd-license.php
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THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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**/
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#include <PiPei.h>
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#include <Ppi/Pcd.h>
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#include <Ppi/PiPcd.h>
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#include <Ppi/PcdInfo.h>
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#include <Ppi/PiPcdInfo.h>
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#include <Library/PeiServicesLib.h>
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#include <Library/PcdLib.h>
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#include <Library/DebugLib.h>
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#include <Library/BaseMemoryLib.h>
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/**
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Retrieve the PCD_PPI pointer.
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This function is to locate PCD_PPI PPI via PeiService.
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If fail to locate PCD_PPI, then ASSERT_EFI_ERROR().
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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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GetPcdPpiPointer (
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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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Status = PeiServicesLocatePpi (&gPcdPpiGuid, 0, NULL, (VOID **)&PcdPpi);
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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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Retrieve the pointer of EFI_PEI_PCD_PPI defined in PI 1.2 Vol 3.
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This function is to locate EFI_PEI_PCD_PPI PPI via PeiService.
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If fail to locate EFI_PEI_PCD_PPI, then ASSERT_EFI_ERROR().
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@retval EFI_PEI_PCD_PPI * The pointer to the EFI_PEI_PCD_PPI.
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**/
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EFI_PEI_PCD_PPI *
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GetPiPcdPpiPointer (
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VOID
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)
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{
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EFI_STATUS Status;
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EFI_PEI_PCD_PPI *PiPcdPpi;
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Status = PeiServicesLocatePpi (&gEfiPeiPcdPpiGuid, 0, NULL, (VOID **)&PiPcdPpi);
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ASSERT_EFI_ERROR (Status);
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return PiPcdPpi;
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}
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/**
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Retrieve the GET_PCD_INFO_PPI pointer.
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This function is to locate GET_PCD_INFO_PPI PPI via PeiService.
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If fail to locate GET_PCD_INFO_PPI, then ASSERT_EFI_ERROR().
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@retval GET_PCD_INFO_PPI * The pointer to the GET_PCD_INFO_PPI.
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**/
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GET_PCD_INFO_PPI *
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GetPcdInfoPpiPointer (
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VOID
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)
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{
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EFI_STATUS Status;
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GET_PCD_INFO_PPI *PcdInfoPpi;
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Status = PeiServicesLocatePpi (&gGetPcdInfoPpiGuid, 0, NULL, (VOID **)&PcdInfoPpi);
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ASSERT_EFI_ERROR (Status);
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return PcdInfoPpi;
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}
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/**
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Retrieve the pointer of EFI_GET_PCD_INFO_PPI defined in PI 1.2.1 Vol 3.
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This function is to locate EFI_GET_PCD_INFO_PPI PPI via PeiService.
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If fail to locate EFI_GET_PCD_INFO_PPI, then ASSERT_EFI_ERROR().
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@retval EFI_GET_PCD_INFO_PPI * The pointer to the EFI_GET_PCD_INFO_PPI.
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**/
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EFI_GET_PCD_INFO_PPI *
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GetPiPcdInfoPpiPointer (
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VOID
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)
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{
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EFI_STATUS Status;
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EFI_GET_PCD_INFO_PPI *PiPcdInfoPpi;
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Status = PeiServicesLocatePpi (&gEfiGetPcdInfoPpiGuid, 0, NULL, (VOID **)&PiPcdInfoPpi);
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ASSERT_EFI_ERROR (Status);
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return PiPcdInfoPpi;
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}
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/**
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This function provides a means by which SKU support can be established in the PCD infrastructure.
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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 SkuId The SKU value that will be used when the PCD service retrieves
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and sets 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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GetPiPcdPpiPointer()->SetSku (SkuId);
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return SkuId;
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}
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/**
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This function provides a means by which to retrieve a value for a given PCD token.
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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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return (GetPcdPpiPointer ())->Get8 (TokenNumber);
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}
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/**
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This function provides a means by which to retrieve a value for a given PCD token.
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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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return (GetPcdPpiPointer ())->Get16 (TokenNumber);
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}
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/**
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This function provides a means by which to retrieve a value for a given PCD token.
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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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return (GetPcdPpiPointer ())->Get32 (TokenNumber);
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}
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/**
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This function provides a means by which to retrieve a value for a given PCD token.
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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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return (GetPcdPpiPointer ())->Get64 (TokenNumber);
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}
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/**
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This function provides a means by which to retrieve a value for a given PCD token.
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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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return (GetPcdPpiPointer ())->GetPtr (TokenNumber);
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}
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/**
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This function provides a means by which to retrieve a value for a given PCD token.
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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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return (GetPcdPpiPointer ())->GetBool (TokenNumber);
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}
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/**
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This function provides a means by which to retrieve the size of a given PCD token.
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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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return (GetPcdPpiPointer ())->GetSize (TokenNumber);
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}
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/**
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This function provides a means by which to retrieve a value for a given PCD token.
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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 The 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 (Guid != NULL);
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return (GetPiPcdPpiPointer ())->Get8 (Guid, TokenNumber);
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}
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/**
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This function provides a means by which to retrieve a value for a given PCD token.
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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 The 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 (Guid != NULL);
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return (GetPiPcdPpiPointer ())->Get16 (Guid, TokenNumber);
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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 The 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 (Guid != NULL);
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return (GetPiPcdPpiPointer ())->Get32 (Guid, TokenNumber);
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}
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/**
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This function provides a means by which to retrieve a value for a given PCD token.
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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 The 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 (Guid != NULL);
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return (GetPiPcdPpiPointer ())->Get64 (Guid, TokenNumber);
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}
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/**
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This function provides a means by which to retrieve a value for a given PCD token.
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Returns the pointer to the buffer of token specified by TokenNumber and Guid.
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If Guid is NULL, then ASSERT().
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@param[in] Guid The 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 (Guid != NULL);
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return (GetPiPcdPpiPointer ())->GetPtr (Guid, TokenNumber);
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}
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/**
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This function provides a means by which to retrieve a value for a given PCD token.
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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 The 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 (Guid != NULL);
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return (GetPiPcdPpiPointer ())->GetBool (Guid, TokenNumber);
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}
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/**
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This function provides a means by which to retrieve the size of a given PCD token.
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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 The 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 (Guid != NULL);
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return (GetPiPcdPpiPointer ())->GetSize (Guid, TokenNumber);
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}
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#ifndef DISABLE_NEW_DEPRECATED_INTERFACES
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/**
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This function provides a means by which to set a value for a given PCD token.
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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 that was 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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(GetPcdPpiPointer ())->Set8 (TokenNumber, Value);
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return Value;
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}
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|
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/**
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|
This function provides a means by which to set a value for a given PCD token.
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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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|
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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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|
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@return Return the value that was set.
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|
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|
**/
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UINT16
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|
EFIAPI
|
|
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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(GetPcdPpiPointer ())->Set16 (TokenNumber, Value);
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return Value;
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}
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|
|
|
|
|
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|
/**
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|
This function provides a means by which to set a value for a given PCD token.
|
|
|
|
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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|
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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 that was set.
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|
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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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(GetPcdPpiPointer ())->Set32 (TokenNumber, Value);
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return Value;
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}
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|
|
|
|
|
|
|
/**
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|
This function provides a means by which to set a value for a given PCD token.
|
|
|
|
Sets the 64-bit value for the token specified by TokenNumber
|
|
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 that was set.
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**/
|
|
UINT64
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|
EFIAPI
|
|
LibPcdSet64 (
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IN UINTN TokenNumber,
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IN UINT64 Value
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)
|
|
{
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(GetPcdPpiPointer ())->Set64 (TokenNumber, Value);
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return Value;
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}
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|
|
|
|
|
|
/**
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|
This function provides a means by which to set a value for a given PCD token.
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|
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Sets a buffer for the token specified by TokenNumber to the value
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specified by Buffer and SizeOfBuffer. Buffer is returned.
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|
If SizeOfBuffer is greater than the maximum size support by TokenNumber,
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then set SizeOfBuffer to the maximum size supported by TokenNumber and
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return NULL to indicate that the set operation was not actually performed.
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|
If SizeOfBuffer is set to MAX_ADDRESS, then SizeOfBuffer must be set to the
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maximum size supported by TokenName and NULL must be returned.
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|
|
If SizeOfBuffer is NULL, then ASSERT().
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|
If SizeOfBuffer > 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 *
|
|
EFIAPI
|
|
LibPcdSetPtr (
|
|
IN UINTN TokenNumber,
|
|
IN OUT UINTN *SizeOfBuffer,
|
|
IN CONST VOID *Buffer
|
|
)
|
|
{
|
|
EFI_STATUS Status;
|
|
UINTN InputSizeOfBuffer;
|
|
|
|
ASSERT (SizeOfBuffer != NULL);
|
|
|
|
if (*SizeOfBuffer > 0) {
|
|
ASSERT (Buffer != NULL);
|
|
}
|
|
|
|
InputSizeOfBuffer = *SizeOfBuffer;
|
|
Status = (GetPcdPpiPointer ())->SetPtr (TokenNumber, SizeOfBuffer, (VOID *) Buffer);
|
|
if (EFI_ERROR (Status) && (*SizeOfBuffer < InputSizeOfBuffer)) {
|
|
return NULL;
|
|
}
|
|
|
|
return (VOID *) Buffer;
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
This function provides a means by which to set a value for a given PCD token.
|
|
|
|
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.
|
|
|
|
@return Return the value that was set.
|
|
|
|
**/
|
|
BOOLEAN
|
|
EFIAPI
|
|
LibPcdSetBool (
|
|
IN UINTN TokenNumber,
|
|
IN BOOLEAN Value
|
|
)
|
|
{
|
|
(GetPcdPpiPointer ())->SetBool (TokenNumber, Value);
|
|
|
|
return Value;
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
This function provides a means by which to set a value for a given PCD token.
|
|
|
|
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 The 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.
|
|
|
|
@return Return the value that was set.
|
|
|
|
**/
|
|
UINT8
|
|
EFIAPI
|
|
LibPcdSetEx8 (
|
|
IN CONST GUID *Guid,
|
|
IN UINTN TokenNumber,
|
|
IN UINT8 Value
|
|
)
|
|
{
|
|
ASSERT (Guid != NULL);
|
|
|
|
(GetPiPcdPpiPointer ())->Set8 (Guid, TokenNumber, Value);
|
|
|
|
return Value;
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
This function provides a means by which to set a value for a given PCD token.
|
|
|
|
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 The 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.
|
|
|
|
@return Return the value that was set.
|
|
|
|
**/
|
|
UINT16
|
|
EFIAPI
|
|
LibPcdSetEx16 (
|
|
IN CONST GUID *Guid,
|
|
IN UINTN TokenNumber,
|
|
IN UINT16 Value
|
|
)
|
|
{
|
|
ASSERT (Guid != NULL);
|
|
|
|
(GetPiPcdPpiPointer ())->Set16 (Guid, TokenNumber, Value);
|
|
|
|
return Value;
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
This function provides a means by which to set a value for a given PCD token.
|
|
|
|
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 The 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.
|
|
|
|
@return Return the value that was set.
|
|
|
|
**/
|
|
UINT32
|
|
EFIAPI
|
|
LibPcdSetEx32 (
|
|
IN CONST GUID *Guid,
|
|
IN UINTN TokenNumber,
|
|
IN UINT32 Value
|
|
)
|
|
{
|
|
ASSERT (Guid != NULL);
|
|
|
|
(GetPiPcdPpiPointer ())->Set32 (Guid, TokenNumber, Value);
|
|
|
|
return Value;
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
This function provides a means by which to set a value for a given PCD token.
|
|
|
|
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 The 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.
|
|
|
|
@return Return the value that was set.
|
|
|
|
**/
|
|
UINT64
|
|
EFIAPI
|
|
LibPcdSetEx64 (
|
|
IN CONST GUID *Guid,
|
|
IN UINTN TokenNumber,
|
|
IN UINT64 Value
|
|
)
|
|
{
|
|
ASSERT (Guid != NULL);
|
|
|
|
(GetPiPcdPpiPointer ())->Set64 (Guid, TokenNumber, Value);
|
|
|
|
return Value;
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
This function provides a means by which to set a value for a given PCD token.
|
|
|
|
Sets a buffer for the token specified by TokenNumber to the value specified by
|
|
Buffer and SizeOfBuffer. Buffer is returned. If SizeOfBuffer is greater than
|
|
the maximum size support by TokenNumber, then set SizeOfBuffer to the maximum size
|
|
supported by TokenNumber and return NULL to indicate that the set operation
|
|
was not actually performed.
|
|
|
|
If Guid is NULL, then ASSERT().
|
|
If SizeOfBuffer is NULL, then ASSERT().
|
|
If SizeOfBuffer > 0 and Buffer is NULL, then ASSERT().
|
|
|
|
@param[in] Guid The 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, out] SizeOfBuffer The size, in bytes, of Buffer.
|
|
@param[in] Buffer A pointer to the buffer to set.
|
|
|
|
@return Return the pinter to the buffer been set.
|
|
|
|
**/
|
|
VOID *
|
|
EFIAPI
|
|
LibPcdSetExPtr (
|
|
IN CONST GUID *Guid,
|
|
IN UINTN TokenNumber,
|
|
IN OUT UINTN *SizeOfBuffer,
|
|
IN VOID *Buffer
|
|
)
|
|
{
|
|
EFI_STATUS Status;
|
|
UINTN InputSizeOfBuffer;
|
|
|
|
ASSERT (SizeOfBuffer != NULL);
|
|
if (*SizeOfBuffer > 0) {
|
|
ASSERT (Buffer != NULL);
|
|
}
|
|
ASSERT (Guid != NULL);
|
|
|
|
InputSizeOfBuffer = *SizeOfBuffer;
|
|
Status = (GetPiPcdPpiPointer ())->SetPtr (Guid, TokenNumber, SizeOfBuffer, Buffer);
|
|
if (EFI_ERROR (Status) && (*SizeOfBuffer < InputSizeOfBuffer)) {
|
|
return NULL;
|
|
}
|
|
|
|
return Buffer;
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
This function provides a means by which to set a value for a given PCD token.
|
|
|
|
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 The 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.
|
|
|
|
@return Return the value that was set.
|
|
|
|
**/
|
|
BOOLEAN
|
|
EFIAPI
|
|
LibPcdSetExBool (
|
|
IN CONST GUID *Guid,
|
|
IN UINTN TokenNumber,
|
|
IN BOOLEAN Value
|
|
)
|
|
{
|
|
ASSERT (Guid != NULL);
|
|
|
|
(GetPiPcdPpiPointer ())->SetBool (Guid, TokenNumber, Value);
|
|
|
|
return Value;
|
|
}
|
|
#endif
|
|
|
|
/**
|
|
This function provides a means by which to set a value for a given PCD token.
|
|
|
|
Sets the 8-bit value for the token specified by TokenNumber
|
|
to the value specified by Value.
|
|
|
|
@param[in] TokenNumber The PCD token number to set a current value for.
|
|
@param[in] Value The 8-bit value to set.
|
|
|
|
@return The status of the set operation.
|
|
|
|
**/
|
|
RETURN_STATUS
|
|
EFIAPI
|
|
LibPcdSet8S (
|
|
IN UINTN TokenNumber,
|
|
IN UINT8 Value
|
|
)
|
|
{
|
|
return (GetPcdPpiPointer ())->Set8 (TokenNumber, Value);
|
|
}
|
|
|
|
/**
|
|
This function provides a means by which to set a value for a given PCD token.
|
|
|
|
Sets the 16-bit value for the token specified by TokenNumber
|
|
to the value specified by Value.
|
|
|
|
@param[in] TokenNumber The PCD token number to set a current value for.
|
|
@param[in] Value The 16-bit value to set.
|
|
|
|
@return The status of the set operation.
|
|
|
|
**/
|
|
RETURN_STATUS
|
|
EFIAPI
|
|
LibPcdSet16S (
|
|
IN UINTN TokenNumber,
|
|
IN UINT16 Value
|
|
)
|
|
{
|
|
return (GetPcdPpiPointer ())->Set16 (TokenNumber, Value);
|
|
}
|
|
|
|
/**
|
|
This function provides a means by which to set a value for a given PCD token.
|
|
|
|
Sets the 32-bit value for the token specified by TokenNumber
|
|
to the value specified by Value.
|
|
|
|
@param[in] TokenNumber The PCD token number to set a current value for.
|
|
@param[in] Value The 32-bit value to set.
|
|
|
|
@return The status of the set operation.
|
|
|
|
**/
|
|
RETURN_STATUS
|
|
EFIAPI
|
|
LibPcdSet32S (
|
|
IN UINTN TokenNumber,
|
|
IN UINT32 Value
|
|
)
|
|
{
|
|
return (GetPcdPpiPointer ())->Set32 (TokenNumber, Value);
|
|
}
|
|
|
|
/**
|
|
This function provides a means by which to set a value for a given PCD token.
|
|
|
|
Sets the 64-bit value for the token specified by TokenNumber
|
|
to the value specified by Value.
|
|
|
|
@param[in] TokenNumber The PCD token number to set a current value for.
|
|
@param[in] Value The 64-bit value to set.
|
|
|
|
@return The status of the set operation.
|
|
|
|
**/
|
|
RETURN_STATUS
|
|
EFIAPI
|
|
LibPcdSet64S (
|
|
IN UINTN TokenNumber,
|
|
IN UINT64 Value
|
|
)
|
|
{
|
|
return (GetPcdPpiPointer ())->Set64 (TokenNumber, Value);
|
|
}
|
|
|
|
/**
|
|
This function provides a means by which to set a value for a given PCD token.
|
|
|
|
Sets a buffer for the token specified by TokenNumber to the value specified
|
|
by Buffer and SizeOfBuffer. If SizeOfBuffer is greater than the maximum size
|
|
support by TokenNumber, then set SizeOfBuffer to the maximum size supported by
|
|
TokenNumber and return EFI_INVALID_PARAMETER to indicate that the set operation
|
|
was not actually performed.
|
|
|
|
If SizeOfBuffer is set to MAX_ADDRESS, then SizeOfBuffer must be set to the
|
|
maximum size supported by TokenName and EFI_INVALID_PARAMETER must be returned.
|
|
|
|
If SizeOfBuffer is NULL, then ASSERT().
|
|
If SizeOfBuffer > 0 and Buffer is NULL, then ASSERT().
|
|
|
|
@param[in] TokenNumber The PCD token number to set a current value for.
|
|
@param[in, out] SizeOfBuffer The size, in bytes, of Buffer.
|
|
@param[in] Buffer A pointer to the buffer to set.
|
|
|
|
@return The status of the set operation.
|
|
|
|
**/
|
|
RETURN_STATUS
|
|
EFIAPI
|
|
LibPcdSetPtrS (
|
|
IN UINTN TokenNumber,
|
|
IN OUT UINTN *SizeOfBuffer,
|
|
IN CONST VOID *Buffer
|
|
)
|
|
{
|
|
ASSERT (SizeOfBuffer != NULL);
|
|
|
|
if (*SizeOfBuffer > 0) {
|
|
ASSERT (Buffer != NULL);
|
|
}
|
|
|
|
return (GetPcdPpiPointer ())->SetPtr (TokenNumber, SizeOfBuffer, (VOID *) Buffer);
|
|
}
|
|
|
|
/**
|
|
This function provides a means by which to set a value for a given PCD token.
|
|
|
|
Sets the boolean value for the token specified by TokenNumber
|
|
to the value specified by Value.
|
|
|
|
@param[in] TokenNumber The PCD token number to set a current value for.
|
|
@param[in] Value The boolean value to set.
|
|
|
|
@return The status of the set operation.
|
|
|
|
**/
|
|
RETURN_STATUS
|
|
EFIAPI
|
|
LibPcdSetBoolS (
|
|
IN UINTN TokenNumber,
|
|
IN BOOLEAN Value
|
|
)
|
|
{
|
|
return (GetPcdPpiPointer ())->SetBool (TokenNumber, Value);
|
|
}
|
|
|
|
/**
|
|
This function provides a means by which to set a value for a given PCD token.
|
|
|
|
Sets the 8-bit value for the token specified by TokenNumber
|
|
to the value specified by Value.
|
|
|
|
If Guid is NULL, then ASSERT().
|
|
|
|
@param[in] Guid The 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.
|
|
|
|
@return The status of the set operation.
|
|
|
|
**/
|
|
RETURN_STATUS
|
|
EFIAPI
|
|
LibPcdSetEx8S (
|
|
IN CONST GUID *Guid,
|
|
IN UINTN TokenNumber,
|
|
IN UINT8 Value
|
|
)
|
|
{
|
|
ASSERT (Guid != NULL);
|
|
|
|
return (GetPiPcdPpiPointer ())->Set8 (Guid, TokenNumber, Value);
|
|
}
|
|
|
|
/**
|
|
This function provides a means by which to set a value for a given PCD token.
|
|
|
|
Sets the 16-bit value for the token specified by TokenNumber
|
|
to the value specified by Value.
|
|
|
|
If Guid is NULL, then ASSERT().
|
|
|
|
@param[in] Guid The 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.
|
|
|
|
@return The status of the set operation.
|
|
|
|
**/
|
|
RETURN_STATUS
|
|
EFIAPI
|
|
LibPcdSetEx16S (
|
|
IN CONST GUID *Guid,
|
|
IN UINTN TokenNumber,
|
|
IN UINT16 Value
|
|
)
|
|
{
|
|
ASSERT (Guid != NULL);
|
|
|
|
return (GetPiPcdPpiPointer ())->Set16 (Guid, TokenNumber, Value);
|
|
}
|
|
|
|
/**
|
|
This function provides a means by which to set a value for a given PCD token.
|
|
|
|
Sets the 32-bit value for the token specified by TokenNumber
|
|
to the value specified by Value.
|
|
|
|
If Guid is NULL, then ASSERT().
|
|
|
|
@param[in] Guid The 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.
|
|
|
|
@return The status of the set operation.
|
|
|
|
**/
|
|
RETURN_STATUS
|
|
EFIAPI
|
|
LibPcdSetEx32S (
|
|
IN CONST GUID *Guid,
|
|
IN UINTN TokenNumber,
|
|
IN UINT32 Value
|
|
)
|
|
{
|
|
ASSERT (Guid != NULL);
|
|
|
|
return (GetPiPcdPpiPointer ())->Set32 (Guid, TokenNumber, Value);
|
|
}
|
|
|
|
/**
|
|
This function provides a means by which to set a value for a given PCD token.
|
|
|
|
Sets the 64-bit value for the token specified by TokenNumber
|
|
to the value specified by Value.
|
|
|
|
If Guid is NULL, then ASSERT().
|
|
|
|
@param[in] Guid The 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.
|
|
|
|
@return The status of the set operation.
|
|
|
|
**/
|
|
RETURN_STATUS
|
|
EFIAPI
|
|
LibPcdSetEx64S (
|
|
IN CONST GUID *Guid,
|
|
IN UINTN TokenNumber,
|
|
IN UINT64 Value
|
|
)
|
|
{
|
|
ASSERT (Guid != NULL);
|
|
|
|
return (GetPiPcdPpiPointer ())->Set64 (Guid, TokenNumber, Value);
|
|
}
|
|
|
|
/**
|
|
This function provides a means by which to set a value for a given PCD token.
|
|
|
|
Sets a buffer for the token specified by TokenNumber to the value specified by
|
|
Buffer and SizeOfBuffer. If SizeOfBuffer is greater than the maximum size
|
|
support by TokenNumber, then set SizeOfBuffer to the maximum size supported by
|
|
TokenNumber and return EFI_INVALID_PARAMETER to indicate that the set operation
|
|
was not actually performed.
|
|
|
|
If Guid is NULL, then ASSERT().
|
|
If SizeOfBuffer is NULL, then ASSERT().
|
|
If SizeOfBuffer > 0 and Buffer 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, out] SizeOfBuffer The size, in bytes, of Buffer.
|
|
@param[in] Buffer A pointer to the buffer to set.
|
|
|
|
@return The status of the set operation.
|
|
|
|
**/
|
|
RETURN_STATUS
|
|
EFIAPI
|
|
LibPcdSetExPtrS (
|
|
IN CONST GUID *Guid,
|
|
IN UINTN TokenNumber,
|
|
IN OUT UINTN *SizeOfBuffer,
|
|
IN VOID *Buffer
|
|
)
|
|
{
|
|
ASSERT (Guid != NULL);
|
|
|
|
ASSERT (SizeOfBuffer != NULL);
|
|
|
|
if (*SizeOfBuffer > 0) {
|
|
ASSERT (Buffer != NULL);
|
|
}
|
|
|
|
return (GetPiPcdPpiPointer ())->SetPtr (Guid, TokenNumber, SizeOfBuffer, Buffer);
|
|
}
|
|
|
|
/**
|
|
This function provides a means by which to set a value for a given PCD token.
|
|
|
|
Sets the boolean value for the token specified by TokenNumber
|
|
to the value specified by Value.
|
|
|
|
If Guid is NULL, then ASSERT().
|
|
|
|
@param[in] Guid The 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.
|
|
|
|
@return The status of the set operation.
|
|
|
|
**/
|
|
RETURN_STATUS
|
|
EFIAPI
|
|
LibPcdSetExBoolS (
|
|
IN CONST GUID *Guid,
|
|
IN UINTN TokenNumber,
|
|
IN BOOLEAN Value
|
|
)
|
|
{
|
|
ASSERT (Guid != NULL);
|
|
|
|
return (GetPiPcdPpiPointer ())->SetBool (Guid, TokenNumber, Value);
|
|
}
|
|
|
|
/**
|
|
Set up a notification function that is called when a specified token is set.
|
|
|
|
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 The 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.
|
|
|
|
**/
|
|
VOID
|
|
EFIAPI
|
|
LibPcdCallbackOnSet (
|
|
IN CONST GUID *Guid, OPTIONAL
|
|
IN UINTN TokenNumber,
|
|
IN PCD_CALLBACK NotificationFunction
|
|
)
|
|
{
|
|
EFI_STATUS Status;
|
|
|
|
ASSERT (NotificationFunction != NULL);
|
|
|
|
Status = (GetPiPcdPpiPointer ())->CallbackOnSet (Guid, TokenNumber, (EFI_PEI_PCD_PPI_CALLBACK) NotificationFunction);
|
|
|
|
ASSERT_EFI_ERROR (Status);
|
|
|
|
return;
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
Disable a notification function that was established with LibPcdCallbackonSet().
|
|
|
|
Disable a notification function that was previously established with LibPcdCallbackOnSet().
|
|
If NotificationFunction is NULL, then ASSERT().
|
|
If LibPcdCallbackOnSet() was not previously called with Guid, TokenNumber,
|
|
and NotificationFunction, 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.
|
|
|
|
**/
|
|
VOID
|
|
EFIAPI
|
|
LibPcdCancelCallback (
|
|
IN CONST GUID *Guid, OPTIONAL
|
|
IN UINTN TokenNumber,
|
|
IN PCD_CALLBACK NotificationFunction
|
|
)
|
|
{
|
|
EFI_STATUS Status;
|
|
|
|
ASSERT (NotificationFunction != NULL);
|
|
|
|
Status = (GetPiPcdPpiPointer ())->CancelCallback (Guid, TokenNumber, (EFI_PEI_PCD_PPI_CALLBACK) NotificationFunction);
|
|
|
|
ASSERT_EFI_ERROR (Status);
|
|
|
|
return;
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
Retrieves the next token in a token space.
|
|
|
|
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 The 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
|
|
)
|
|
{
|
|
EFI_STATUS Status;
|
|
|
|
Status = (GetPiPcdPpiPointer ())->GetNextToken (Guid, &TokenNumber);
|
|
ASSERT (!EFI_ERROR (Status) || TokenNumber == 0);
|
|
|
|
return TokenNumber;
|
|
}
|
|
|
|
|
|
/**
|
|
Used to retrieve the list of available PCD token space GUIDs.
|
|
|
|
Returns the PCD token space GUID that follows TokenSpaceGuid in the list of token spaces
|
|
in the platform.
|
|
If TokenSpaceGuid is NULL, then a pointer to the first PCD token spaces returned.
|
|
If TokenSpaceGuid is the last PCD token space GUID in the list, then NULL is returned.
|
|
|
|
@param TokenSpaceGuid The pointer to the a PCD token space GUID
|
|
|
|
@return The next valid token namespace.
|
|
|
|
**/
|
|
GUID *
|
|
EFIAPI
|
|
LibPcdGetNextTokenSpace (
|
|
IN CONST GUID *TokenSpaceGuid
|
|
)
|
|
{
|
|
(GetPiPcdPpiPointer ())->GetNextTokenSpace (&TokenSpaceGuid);
|
|
|
|
return (GUID *) TokenSpaceGuid;
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
Sets a value of a patchable PCD entry that is type pointer.
|
|
|
|
Sets the PCD entry specified by PatchVariable to the value specified by Buffer
|
|
and SizeOfBuffer. Buffer is returned. If SizeOfBuffer is greater than
|
|
MaximumDatumSize, then set SizeOfBuffer to MaximumDatumSize and return
|
|
NULL to indicate that the set operation was not actually performed.
|
|
If SizeOfBuffer is set to MAX_ADDRESS, then SizeOfBuffer must be set to
|
|
MaximumDatumSize and NULL must be returned.
|
|
|
|
If PatchVariable is NULL, then ASSERT().
|
|
If SizeOfBuffer is NULL, then ASSERT().
|
|
If SizeOfBuffer > 0 and Buffer is NULL, then ASSERT().
|
|
|
|
@param[out] 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 pointer to the buffer been set.
|
|
|
|
**/
|
|
VOID *
|
|
EFIAPI
|
|
LibPatchPcdSetPtr (
|
|
OUT 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;
|
|
}
|
|
|
|
/**
|
|
Sets a value of a patchable PCD entry that is type pointer.
|
|
|
|
Sets the PCD entry specified by PatchVariable to the value specified
|
|
by Buffer and SizeOfBuffer. If SizeOfBuffer is greater than MaximumDatumSize,
|
|
then set SizeOfBuffer to MaximumDatumSize and return RETURN_INVALID_PARAMETER
|
|
to indicate that the set operation was not actually performed.
|
|
If SizeOfBuffer is set to MAX_ADDRESS, then SizeOfBuffer must be set to
|
|
MaximumDatumSize and RETURN_INVALID_PARAMETER must be returned.
|
|
|
|
If PatchVariable is NULL, then ASSERT().
|
|
If SizeOfBuffer is NULL, then ASSERT().
|
|
If SizeOfBuffer > 0 and Buffer is NULL, then ASSERT().
|
|
|
|
@param[out] 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 The status of the set operation.
|
|
|
|
**/
|
|
RETURN_STATUS
|
|
EFIAPI
|
|
LibPatchPcdSetPtrS (
|
|
OUT 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 RETURN_INVALID_PARAMETER;
|
|
}
|
|
|
|
CopyMem (PatchVariable, Buffer, *SizeOfBuffer);
|
|
|
|
return RETURN_SUCCESS;
|
|
}
|
|
|
|
|
|
/**
|
|
Sets a value and size of a patchable PCD entry that is type pointer.
|
|
|
|
Sets the PCD entry specified by PatchVariable to the value specified by Buffer
|
|
and SizeOfBuffer. Buffer is returned. If SizeOfBuffer is greater than
|
|
MaximumDatumSize, then set SizeOfBuffer to MaximumDatumSize and return
|
|
NULL to indicate that the set operation was not actually performed.
|
|
If SizeOfBuffer is set to MAX_ADDRESS, then SizeOfBuffer must be set to
|
|
MaximumDatumSize and NULL must be returned.
|
|
|
|
If PatchVariable is NULL, then ASSERT().
|
|
If SizeOfPatchVariable is NULL, then ASSERT().
|
|
If SizeOfBuffer is NULL, then ASSERT().
|
|
If SizeOfBuffer > 0 and Buffer is NULL, then ASSERT().
|
|
|
|
@param[out] PatchVariable A pointer to the global variable in a module that is
|
|
the target of the set operation.
|
|
@param[out] SizeOfPatchVariable A pointer to the size, in bytes, of PatchVariable.
|
|
@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 pointer to the buffer been set.
|
|
|
|
**/
|
|
VOID *
|
|
EFIAPI
|
|
LibPatchPcdSetPtrAndSize (
|
|
OUT VOID *PatchVariable,
|
|
OUT UINTN *SizeOfPatchVariable,
|
|
IN UINTN MaximumDatumSize,
|
|
IN OUT UINTN *SizeOfBuffer,
|
|
IN CONST VOID *Buffer
|
|
)
|
|
{
|
|
ASSERT (PatchVariable != NULL);
|
|
ASSERT (SizeOfPatchVariable != NULL);
|
|
ASSERT (SizeOfBuffer != NULL);
|
|
|
|
if (*SizeOfBuffer > 0) {
|
|
ASSERT (Buffer != NULL);
|
|
}
|
|
|
|
if ((*SizeOfBuffer > MaximumDatumSize) ||
|
|
(*SizeOfBuffer == MAX_ADDRESS)) {
|
|
*SizeOfBuffer = MaximumDatumSize;
|
|
return NULL;
|
|
}
|
|
|
|
CopyMem (PatchVariable, Buffer, *SizeOfBuffer);
|
|
*SizeOfPatchVariable = *SizeOfBuffer;
|
|
|
|
return (VOID *) Buffer;
|
|
}
|
|
|
|
/**
|
|
Sets a value and size of a patchable PCD entry that is type pointer.
|
|
|
|
Sets the PCD entry specified by PatchVariable to the value specified
|
|
by Buffer and SizeOfBuffer. If SizeOfBuffer is greater than MaximumDatumSize,
|
|
then set SizeOfBuffer to MaximumDatumSize and return RETURN_INVALID_PARAMETER
|
|
to indicate that the set operation was not actually performed.
|
|
If SizeOfBuffer is set to MAX_ADDRESS, then SizeOfBuffer must be set to
|
|
MaximumDatumSize and RETURN_INVALID_PARAMETER must be returned.
|
|
|
|
If PatchVariable is NULL, then ASSERT().
|
|
If SizeOfPatchVariable is NULL, then ASSERT().
|
|
If SizeOfBuffer is NULL, then ASSERT().
|
|
If SizeOfBuffer > 0 and Buffer is NULL, then ASSERT().
|
|
|
|
@param[out] PatchVariable A pointer to the global variable in a module that is
|
|
the target of the set operation.
|
|
@param[out] SizeOfPatchVariable A pointer to the size, in bytes, of PatchVariable.
|
|
@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 The status of the set operation.
|
|
|
|
**/
|
|
RETURN_STATUS
|
|
EFIAPI
|
|
LibPatchPcdSetPtrAndSizeS (
|
|
OUT VOID *PatchVariable,
|
|
OUT UINTN *SizeOfPatchVariable,
|
|
IN UINTN MaximumDatumSize,
|
|
IN OUT UINTN *SizeOfBuffer,
|
|
IN CONST VOID *Buffer
|
|
)
|
|
{
|
|
ASSERT (PatchVariable != NULL);
|
|
ASSERT (SizeOfPatchVariable != NULL);
|
|
ASSERT (SizeOfBuffer != NULL);
|
|
|
|
if (*SizeOfBuffer > 0) {
|
|
ASSERT (Buffer != NULL);
|
|
}
|
|
|
|
if ((*SizeOfBuffer > MaximumDatumSize) ||
|
|
(*SizeOfBuffer == MAX_ADDRESS)) {
|
|
*SizeOfBuffer = MaximumDatumSize;
|
|
return RETURN_INVALID_PARAMETER;
|
|
}
|
|
|
|
CopyMem (PatchVariable, Buffer, *SizeOfBuffer);
|
|
*SizeOfPatchVariable = *SizeOfBuffer;
|
|
|
|
return RETURN_SUCCESS;
|
|
}
|
|
|
|
/**
|
|
Retrieve additional information associated with a PCD token.
|
|
|
|
This includes information such as the type of value the TokenNumber is associated with as well as possible
|
|
human readable name that is associated with the token.
|
|
|
|
If TokenNumber is not in the default token space specified, then ASSERT().
|
|
|
|
@param[in] TokenNumber The PCD token number.
|
|
@param[out] PcdInfo The returned information associated with the requested TokenNumber.
|
|
The caller is responsible for freeing the buffer that is allocated by callee for PcdInfo->PcdName.
|
|
**/
|
|
VOID
|
|
EFIAPI
|
|
LibPcdGetInfo (
|
|
IN UINTN TokenNumber,
|
|
OUT PCD_INFO *PcdInfo
|
|
)
|
|
{
|
|
EFI_STATUS Status;
|
|
|
|
Status = GetPcdInfoPpiPointer()->GetInfo (TokenNumber, (EFI_PCD_INFO *) PcdInfo);
|
|
ASSERT_EFI_ERROR (Status);
|
|
}
|
|
|
|
/**
|
|
Retrieve additional information associated with a PCD token.
|
|
|
|
This includes information such as the type of value the TokenNumber is associated with as well as possible
|
|
human readable name that is associated with the token.
|
|
|
|
If TokenNumber is not in the token space specified by Guid, then ASSERT().
|
|
|
|
@param[in] Guid The 128-bit unique value that designates the namespace from which to extract the value.
|
|
@param[in] TokenNumber The PCD token number.
|
|
@param[out] PcdInfo The returned information associated with the requested TokenNumber.
|
|
The caller is responsible for freeing the buffer that is allocated by callee for PcdInfo->PcdName.
|
|
**/
|
|
VOID
|
|
EFIAPI
|
|
LibPcdGetInfoEx (
|
|
IN CONST GUID *Guid,
|
|
IN UINTN TokenNumber,
|
|
OUT PCD_INFO *PcdInfo
|
|
)
|
|
{
|
|
EFI_STATUS Status;
|
|
|
|
Status = GetPiPcdInfoPpiPointer()->GetInfo (Guid, TokenNumber, (EFI_PCD_INFO *) PcdInfo);
|
|
ASSERT_EFI_ERROR (Status);
|
|
}
|
|
|
|
/**
|
|
Retrieve the currently set SKU Id.
|
|
|
|
@return The currently set SKU Id. If the platform has not set at a SKU Id, then the
|
|
default SKU Id value of 0 is returned. If the platform has set a SKU Id, then the currently set SKU
|
|
Id is returned.
|
|
**/
|
|
UINTN
|
|
EFIAPI
|
|
LibPcdGetSku (
|
|
VOID
|
|
)
|
|
{
|
|
return GetPiPcdInfoPpiPointer()->GetSku ();
|
|
}
|