Vlv2TbltDevicePkg/MonoStatusCode/MonoStatusCode.c

   1 /** @file
   2
   3   Copyright (c) 2004  - 2014, Intel Corporation. All rights reserved.<BR>
   4
   5   SPDX-License-Identifier: BSD-2-Clause-Patent
   6
   7
   8
   9 Module Name:
  10
  11
  12   MonoStatusCode.c
  13
  14 Abstract:
  15
  16   PEIM to provide the status code functionality, to aid in system debug.
  17   It includes output to 0x80 port and/or to serial port.
  18   This PEIM is monolithic. Different platform should provide different library.
  19
  20 --*/
  21
  22 #include "MonoStatusCode.h"
  23 #include "PlatformStatusCode.h"
  24 #define CMOS_EFI_DEBUG              0x14
  25
  26 //
  27 // Module globals
  28 //
  29 EFI_PEI_PROGRESS_CODE_PPI     mStatusCodePpi = { PlatformReportStatusCode };
  30
  31 EFI_PEI_PPI_DESCRIPTOR  mPpiListStatusCode = {
  32   (EFI_PEI_PPI_DESCRIPTOR_PPI | EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST),
  33   &gEfiPeiStatusCodePpiGuid,
  34   &mStatusCodePpi
  35 };
  36
  37 //
  38 // Function implemenations
  39 //
  40
  41 /**
  42   Translate from a DXE status code interface into a PEI-callable
  43   interface, making the PEI the least common denominator..
  44
  45   Same as DXE ReportStatusCode RT service
  46
  47
  48 **/
  49 EFI_STATUS
  50 EFIAPI
  51 TranslateDxeStatusCodeToPeiStatusCode (
  52   IN EFI_STATUS_CODE_TYPE     CodeType,
  53   IN EFI_STATUS_CODE_VALUE    Value,
  54   IN UINT32                   Instance,
  55   IN EFI_GUID                 * CallerId,
  56   IN EFI_STATUS_CODE_DATA     * Data OPTIONAL
  57   )
  58 {
  59   return PlatformReportStatusCode (NULL, CodeType, Value, Instance, CallerId, Data);
  60 }
  61
  62 /**
  63   Build a hob describing the status code listener that has been installed.
  64   This will be used by DXE code until a runtime status code listener is
  65   installed.
  66
  67   @param PeiServices      General purpose services available to every PEIM.
  68
  69   @retval Status          EFI_SUCCESS if the interface could be successfully
  70                           installed
  71
  72 **/
  73 EFI_STATUS
  74 EFIAPI
  75 InitializeDxeReportStatusCode (
  76   IN const EFI_PEI_SERVICES       **PeiServices
  77   )
  78 {
  79   EFI_STATUS  Status = EFI_UNSUPPORTED;
  80
  81   VOID        *Instance;
  82
  83   VOID        *Result;
  84
  85   Instance = (VOID *) (UINTN) TranslateDxeStatusCodeToPeiStatusCode;
  86
  87   Result = BuildGuidDataHob (
  88              &gEfiStatusCodeRuntimeProtocolGuid,
  89              &Instance,
  90              sizeof (VOID *)
  91              );
  92   if (Result != NULL) {
  93     Status = EFI_SUCCESS;
  94   }
  95   return Status;
  96 }
  97
  98 /**
  99   Initialize the platform status codes and publish the platform status code
 100   PPI.
 101
 102   @param  FfsHeader      FV this PEIM was loaded from.
 103   @param  PeiServices    General purpose services available to every PEIM.
 104
 105   @retval Status         EFI_SUCCESS
 106
 107 **/
 108 VOID
 109 EFIAPI
 110 InitializeMonoStatusCode (
 111   IN EFI_FFS_FILE_HEADER       *FfsHeader,
 112   IN CONST EFI_PEI_SERVICES          **PeiServices
 113   )
 114 {
 115   EFI_STATUS  Status;
 116
 117   //
 118   // Initialize status code listeners.
 119   //
 120   PlatformInitializeStatusCode (FfsHeader, PeiServices);
 121
 122   //
 123   // Publish the status code capability to other modules
 124   //
 125   Status = (*PeiServices)->InstallPpi (PeiServices, &mPpiListStatusCode);
 126
 127   ASSERT_EFI_ERROR (Status);
 128
 129   DEBUG ((DEBUG_ERROR, "\nMono Status Code PEIM Loaded\n"));
 130
 131   return ;
 132 }