Vlv2TbltDevicePkg/MonoStatusCode/MonoStatusCode.c

   1 /** @file
   2
   3   Copyright (c) 2004  - 2014, Intel Corporation. All rights reserved.<BR>
   4
   5   This program and the accompanying materials are licensed and made available under
   6   the terms and conditions of the BSD License that accompanies this distribution.
   7   The full text of the license may be found at
   8   http://opensource.org/licenses/bsd-license.php.
   9
  10   THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
  11   WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
  12
  13
  14 Module Name:
  15
  16
  17   MonoStatusCode.c
  18
  19 Abstract:
  20
  21   PEIM to provide the status code functionality, to aid in system debug.
  22   It includes output to 0x80 port and/or to serial port.
  23   This PEIM is monolithic. Different platform should provide different library.
  24
  25 --*/
  26
  27 #include "MonoStatusCode.h"
  28 #include "PlatformStatusCode.h"
  29 #define CMOS_EFI_DEBUG              0x14
  30
  31 //
  32 // Module globals
  33 //
  34 EFI_PEI_PROGRESS_CODE_PPI     mStatusCodePpi = { PlatformReportStatusCode };
  35
  36 EFI_PEI_PPI_DESCRIPTOR  mPpiListStatusCode = {
  37   (EFI_PEI_PPI_DESCRIPTOR_PPI | EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST),
  38   &gEfiPeiStatusCodePpiGuid,
  39   &mStatusCodePpi
  40 };
  41
  42 //
  43 // Function implemenations
  44 //
  45
  46 /**
  47   Translate from a DXE status code interface into a PEI-callable
  48   interface, making the PEI the least common denominator..
  49
  50   Same as DXE ReportStatusCode RT service
  51
  52
  53 **/
  54 EFI_STATUS
  55 EFIAPI
  56 TranslateDxeStatusCodeToPeiStatusCode (
  57   IN EFI_STATUS_CODE_TYPE     CodeType,
  58   IN EFI_STATUS_CODE_VALUE    Value,
  59   IN UINT32                   Instance,
  60   IN EFI_GUID                 * CallerId,
  61   IN EFI_STATUS_CODE_DATA     * Data OPTIONAL
  62   )
  63 {
  64   return PlatformReportStatusCode (NULL, CodeType, Value, Instance, CallerId, Data);
  65 }
  66
  67 /**
  68   Build a hob describing the status code listener that has been installed.
  69   This will be used by DXE code until a runtime status code listener is
  70   installed.
  71
  72   @param PeiServices      General purpose services available to every PEIM.
  73
  74   @retval Status          EFI_SUCCESS if the interface could be successfully
  75                           installed
  76
  77 **/
  78 EFI_STATUS
  79 EFIAPI
  80 InitializeDxeReportStatusCode (
  81   IN const EFI_PEI_SERVICES       **PeiServices
  82   )
  83 {
  84   EFI_STATUS  Status = EFI_UNSUPPORTED;
  85
  86   VOID        *Instance;
  87
  88   VOID        *Result;
  89
  90   Instance = (VOID *) (UINTN) TranslateDxeStatusCodeToPeiStatusCode;
  91
  92   Result = BuildGuidDataHob (
  93              &gEfiStatusCodeRuntimeProtocolGuid,
  94              &Instance,
  95              sizeof (VOID *)
  96              );
  97   if (Result != NULL) {
  98     Status = EFI_SUCCESS;
  99   }
 100   return Status;
 101 }
 102
 103 /**
 104   Initialize the platform status codes and publish the platform status code
 105   PPI.
 106
 107   @param  FfsHeader      FV this PEIM was loaded from.
 108   @param  PeiServices    General purpose services available to every PEIM.
 109
 110   @retval Status         EFI_SUCCESS
 111
 112 **/
 113 VOID
 114 EFIAPI
 115 InitializeMonoStatusCode (
 116   IN EFI_FFS_FILE_HEADER       *FfsHeader,
 117   IN CONST EFI_PEI_SERVICES          **PeiServices
 118   )
 119 {
 120   EFI_STATUS  Status;
 121
 122   //
 123   // Initialize status code listeners.
 124   //
 125   PlatformInitializeStatusCode (FfsHeader, PeiServices);
 126
 127   //
 128   // Publish the status code capability to other modules
 129   //
 130   Status = (*PeiServices)->InstallPpi (PeiServices, &mPpiListStatusCode);
 131
 132   ASSERT_EFI_ERROR (Status);
 133
 134   DEBUG ((DEBUG_ERROR, "\nMono Status Code PEIM Loaded\n"));
 135
 136   return ;
 137 }