audk/Vlv2TbltDevicePkg/MonoStatusCode/MonoStatusCode.c

/** @file

  Copyright (c) 2004  - 2014, Intel Corporation. All rights reserved.<BR>
                                                                                   
  This program and the accompanying materials are licensed and made available under
  the terms and conditions of the BSD License that accompanies this distribution.  
  The full text of the license may be found at                                     
  http://opensource.org/licenses/bsd-license.php.                                  
                                                                                   
  THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,            
  WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.    
                                                                                   

Module Name:


  MonoStatusCode.c

Abstract:

  PEIM to provide the status code functionality, to aid in system debug.
  It includes output to 0x80 port and/or to serial port.
  This PEIM is monolithic. Different platform should provide different library.

--*/

#include "MonoStatusCode.h"
#include "PlatformStatusCode.h"
#define CMOS_EFI_DEBUG              0x14

//
// Module globals
//
EFI_PEI_PROGRESS_CODE_PPI     mStatusCodePpi = { PlatformReportStatusCode };

EFI_PEI_PPI_DESCRIPTOR  mPpiListStatusCode = {
  (EFI_PEI_PPI_DESCRIPTOR_PPI | EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST),
  &gEfiPeiStatusCodePpiGuid,
  &mStatusCodePpi
};

//
// Function implemenations
//

/**
  Translate from a DXE status code interface into a PEI-callable
  interface, making the PEI the least common denominator..

  Same as DXE ReportStatusCode RT service


**/
EFI_STATUS
EFIAPI
TranslateDxeStatusCodeToPeiStatusCode (
  IN EFI_STATUS_CODE_TYPE     CodeType,
  IN EFI_STATUS_CODE_VALUE    Value,
  IN UINT32                   Instance,
  IN EFI_GUID                 * CallerId,
  IN EFI_STATUS_CODE_DATA     * Data OPTIONAL
  )
{
  return PlatformReportStatusCode (NULL, CodeType, Value, Instance, CallerId, Data);
}

/**
  Build a hob describing the status code listener that has been installed.
  This will be used by DXE code until a runtime status code listener is
  installed.

  @param PeiServices      General purpose services available to every PEIM.

  @retval Status          EFI_SUCCESS if the interface could be successfully
                          installed

**/
EFI_STATUS
EFIAPI
InitializeDxeReportStatusCode (
  IN const EFI_PEI_SERVICES       **PeiServices
  )
{
  EFI_STATUS  Status = EFI_UNSUPPORTED;

  VOID        *Instance;

  VOID        *Result;

  Instance = (VOID *) (UINTN) TranslateDxeStatusCodeToPeiStatusCode;

  Result = BuildGuidDataHob (
             &gEfiStatusCodeRuntimeProtocolGuid,
             &Instance,
             sizeof (VOID *)
             );
  if (Result != NULL) {
    Status = EFI_SUCCESS;
  }
  return Status;
}

/**
  Initialize the platform status codes and publish the platform status code
  PPI.

  @param  FfsHeader      FV this PEIM was loaded from.
  @param  PeiServices    General purpose services available to every PEIM.

  @retval Status         EFI_SUCCESS

**/
VOID
EFIAPI
InitializeMonoStatusCode (
  IN EFI_FFS_FILE_HEADER       *FfsHeader,
  IN CONST EFI_PEI_SERVICES          **PeiServices
  )
{
  EFI_STATUS  Status;

  //
  // Initialize status code listeners.
  //
  PlatformInitializeStatusCode (FfsHeader, PeiServices);

  //
  // Publish the status code capability to other modules
  //
  Status = (*PeiServices)->InstallPpi (PeiServices, &mPpiListStatusCode);

  ASSERT_EFI_ERROR (Status);

  DEBUG ((DEBUG_ERROR, "\nMono Status Code PEIM Loaded\n"));

  return ;
}