EdkCompatibilityPkg/Sample/Platform/Generic/RuntimeDxe/StatusCode/Lib/RtPort80StatusCode/RtPort80StatusCode.c

   1 /*++
   2
   3 Copyright (c) 2004 - 2007, Intel Corporation. All rights reserved.<BR>
   4 This program and the accompanying materials
   5 are licensed and made available under the terms and conditions of the BSD License
   6 which accompanies this distribution.  The full text of the license may be found at
   7 http://opensource.org/licenses/bsd-license.php
   8
   9 THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
  10 WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
  11
  12 Module Name:
  13
  14   RtPort80StatusCode.c
  15
  16 Abstract:
  17
  18   Lib to provide port 80 status code reporting Routines. This routine
  19   does not use PPI's but is monolithic.
  20
  21   In general you should use PPI's, but some times a monolithic driver
  22   is better. The best justification for monolithic code is debug.
  23
  24 --*/
  25
  26 #include "RtPort80StatusCode.h"
  27
  28 EFI_STATUS
  29 EFIAPI
  30 RtPort80ReportStatusCode (
  31   IN EFI_STATUS_CODE_TYPE     CodeType,
  32   IN EFI_STATUS_CODE_VALUE    Value,
  33   IN UINT32                   Instance,
  34   IN EFI_GUID                 * CallerId,
  35   IN EFI_STATUS_CODE_DATA     * Data OPTIONAL
  36   )
  37 /*++
  38
  39 Routine Description:
  40
  41   Provide a port 80 status code
  42
  43 Arguments:
  44
  45   Same as ReportStatusCode PPI
  46
  47 Returns:
  48
  49   EFI_SUCCESS   Always returns success.
  50
  51 --*/
  52 {
  53   UINT8 Port80Code;
  54
  55   //
  56   // Progress or error code, Output Port 80h card
  57   //
  58   if (CodeTypeToPostCode (CodeType, Value, &Port80Code)) {
  59     IoWrite8 (0x80, Port80Code);
  60   }
  61
  62   return EFI_SUCCESS;
  63 }