/** @file
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@copyright
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Copyright 2017 - 2021 Intel Corporation. <BR>
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SPDX-License-Identifier: BSD-2-Clause-Patent
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**/
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#include "ExStatusCodeHandlerPei.h"
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EFI_PEI_EX_RSC_HANDLER_PPI mExStatusCodeHandlerPpi = {
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RegisterExStatusCodeHandler
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};
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EFI_PEI_PPI_DESCRIPTOR mExStatusCodeHandlerPpiList[] = {
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{
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EFI_PEI_PPI_DESCRIPTOR_PPI | EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST,
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&gEfiPeiExStatusCodeHandlerPpiGuid,
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&mExStatusCodeHandlerPpi
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}
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};
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/**
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Registers ExSerialStatusCodeReportWorker as callback function for ReportStatusCode() notification.
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@param[in] PeiServices Pointer to PEI Services Table.
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@retval EFI_SUCCESS Function was successfully registered.
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@retval EFI_INVALID_PARAMETER The callback function was NULL.
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@retval EFI_OUT_OF_RESOURCES The internal buffer ran out of space. No more functions can be
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registered.
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@retval EFI_ALREADY_STARTED The function was already registered. It can't be registered again.
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**/
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EFI_STATUS
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EFIAPI
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RegisterExStatusCodeHandler (
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IN CONST EFI_PEI_SERVICES **PeiServices
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)
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{
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EFI_STATUS Status;
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EFI_PEI_RSC_HANDLER_PPI *RscHandlerPpi;
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Status = PeiServicesLocatePpi (
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&gEfiPeiRscHandlerPpiGuid,
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0,
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NULL,
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(VOID **) &RscHandlerPpi
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);
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ASSERT_EFI_ERROR (Status);
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if (PcdGetBool (PcdStatusCodeUseSerial)) {
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Status = RscHandlerPpi->Register (ExSerialStatusCodeReportWorker);
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if (Status != EFI_ALREADY_STARTED) {
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ASSERT_EFI_ERROR (Status);
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}
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}
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return Status;
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}
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/**
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Entry point of EX Status Code PEIM.
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This function is the entry point of this EX Status Code PEIM.
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It initializes serial port status code handler with policy features.
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@param FileHandle Handle of the file being invoked.
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@param PeiServices Describes the list of possible PEI Services.
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@retval EFI_SUCESS The entry point of PEIM executes successfully.
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**/
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EFI_STATUS
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EFIAPI
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ExStatusCodeHandlerPeiEntry (
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IN EFI_PEI_FILE_HANDLE FileHandle,
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IN CONST EFI_PEI_SERVICES **PeiServices
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)
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{
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EFI_STATUS Status;
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UINT32 DebugPrintErrorLevel;
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//
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// Dispatch initialization request to sub-statuscode-devices.
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//
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Status = SerialPortInitialize();
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ASSERT_EFI_ERROR (Status);
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//
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// If serial logging is disabled. set PcdStatusCodeUseSerial to FALSE.
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//
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DebugPrintErrorLevel = GetDebugPrintErrorLevel ();
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if (DebugPrintErrorLevel == 0) {
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Status = PcdSetBoolS (PcdStatusCodeUseSerial, FALSE);
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ASSERT_EFI_ERROR (Status);
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}
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Status = RegisterExStatusCodeHandler (PeiServices);
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ASSERT_EFI_ERROR (Status);
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//
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// Install Report Status Code Handler PPI
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//
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Status = PeiServicesInstallPpi (mExStatusCodeHandlerPpiList);
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ASSERT_EFI_ERROR (Status);
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return EFI_SUCCESS;
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}
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