ShellPkg/Library/UefiShellDriver1CommandsLib/Reconnect.c

   1 /** @file
   2   Main file for Reconnect shell Driver1 function.
   3
   4   Copyright (c) 2010 - 2018, Intel Corporation. All rights reserved.<BR>
   5   (C) Copyright 2015 Hewlett-Packard Development Company, L.P.<BR>
   6   (C) Copyright 2015 Hewlett Packard Enterprise Development LP<BR>
   7   SPDX-License-Identifier: BSD-2-Clause-Patent
   8
   9 **/
  10
  11 #include "UefiShellDriver1CommandsLib.h"
  12
  13 STATIC CONST SHELL_PARAM_ITEM ParamList[] = {
  14   {L"-r", TypeFlag},
  15   {NULL, TypeMax}
  16   };
  17
  18 /**
  19   Connect all the possible console devices.
  20
  21 **/
  22 VOID
  23 ConnectAllConsoles (
  24   VOID
  25   )
  26 {
  27   ShellConnectFromDevPaths(L"ConInDev");
  28   ShellConnectFromDevPaths(L"ConOutDev");
  29   ShellConnectFromDevPaths(L"ErrOutDev");
  30
  31   ShellConnectFromDevPaths(L"ErrOut");
  32   ShellConnectFromDevPaths(L"ConIn");
  33   ShellConnectFromDevPaths(L"ConOut");
  34 }
  35
  36
  37 /**
  38   Function for 'reconnect' command.
  39
  40   @param[in] ImageHandle  Handle to the Image (NULL if Internal).
  41   @param[in] SystemTable  Pointer to the System Table (NULL if Internal).
  42 **/
  43 SHELL_STATUS
  44 EFIAPI
  45 ShellCommandRunReconnect (
  46   IN EFI_HANDLE        ImageHandle,
  47   IN EFI_SYSTEM_TABLE  *SystemTable
  48   )
  49 {
  50   SHELL_STATUS        ShellStatus;
  51   LIST_ENTRY          *Package;
  52   CHAR16              *ProblemParam;
  53   EFI_STATUS          Status;
  54
  55   gInReconnect = TRUE;
  56   ShellStatus = SHELL_SUCCESS;
  57
  58   //
  59   // initialize the shell lib (we must be in non-auto-init...)
  60   //
  61   Status = ShellInitialize();
  62   ASSERT_EFI_ERROR(Status);
  63
  64   Status = CommandInit();
  65   ASSERT_EFI_ERROR(Status);
  66
  67   //
  68   // parse the command line
  69   //
  70   Status = ShellCommandLineParse (ParamList, &Package, &ProblemParam, TRUE);
  71   if (EFI_ERROR(Status)) {
  72     if (Status == EFI_VOLUME_CORRUPTED && ProblemParam != NULL) {
  73       ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_PROBLEM), gShellDriver1HiiHandle, L"reconnect", ProblemParam);
  74       FreePool(ProblemParam);
  75       ShellStatus = SHELL_INVALID_PARAMETER;
  76     } else {
  77       ASSERT(FALSE);
  78     }
  79   } else {
  80     ShellStatus = ShellCommandRunDisconnect(ImageHandle, SystemTable);
  81     if (ShellStatus == SHELL_SUCCESS) {
  82       if (ShellCommandLineGetFlag(Package, L"-r")) {
  83         ConnectAllConsoles();
  84       }
  85       ShellStatus = ShellCommandRunConnect(ImageHandle, SystemTable);
  86     }
  87   }
  88
  89   gInReconnect = FALSE;
  90
  91   return (ShellStatus);
  92 }
  93