MdeModulePkg/Universal/StatusCodeHandler/Smm/StatusCodeHandlerMm.c

   1 /** @file
   2   Status Code Handler Driver which produces general handlers and hook them
   3   onto the MM status code router.
   4
   5   Copyright (c) 2009 - 2020, Intel Corporation. All rights reserved.<BR>
   6   SPDX-License-Identifier: BSD-2-Clause-Patent
   7
   8 **/
   9
  10 #include "StatusCodeHandlerMm.h"
  11
  12 EFI_MM_RSC_HANDLER_PROTOCOL   *mRscHandlerProtocol       = NULL;
  13
  14
  15 /**
  16   Dispatch initialization request to sub status code devices based on
  17   customized feature flags.
  18
  19 **/
  20 VOID
  21 InitializationDispatcherWorker (
  22   VOID
  23   )
  24 {
  25   EFI_STATUS                        Status;
  26
  27   //
  28   // If enable UseSerial, then initialize serial port.
  29   // if enable UseRuntimeMemory, then initialize runtime memory status code worker.
  30   //
  31   if (PcdGetBool (PcdStatusCodeUseSerial)) {
  32     //
  33     // Call Serial Port Lib API to initialize serial port.
  34     //
  35     Status = SerialPortInitialize ();
  36     ASSERT_EFI_ERROR (Status);
  37   }
  38   if (PcdGetBool (PcdStatusCodeUseMemory)) {
  39     Status = MemoryStatusCodeInitializeWorker ();
  40     ASSERT_EFI_ERROR (Status);
  41   }
  42 }
  43
  44 /**
  45   Entry point of Common MM Status Code Driver.
  46
  47   This function is the entry point of MM Status Code Driver.
  48
  49   @retval EFI_SUCCESS       The entry point is executed successfully.
  50
  51 **/
  52 EFI_STATUS
  53 StatusCodeHandlerCommonEntry (
  54   VOID
  55   )
  56 {
  57   EFI_STATUS                Status;
  58
  59   Status = gMmst->MmLocateProtocol (
  60                     &gEfiMmRscHandlerProtocolGuid,
  61                     NULL,
  62                     (VOID **) &mRscHandlerProtocol
  63                     );
  64   ASSERT_EFI_ERROR (Status);
  65
  66   //
  67   // Dispatch initialization request to supported devices
  68   //
  69   InitializationDispatcherWorker ();
  70
  71   if (PcdGetBool (PcdStatusCodeUseSerial)) {
  72     mRscHandlerProtocol->Register (SerialStatusCodeReportWorker);
  73   }
  74   if (PcdGetBool (PcdStatusCodeUseMemory)) {
  75     mRscHandlerProtocol->Register (MemoryStatusCodeReportWorker);
  76   }
  77
  78   return EFI_SUCCESS;
  79 }