ShellPkg/Library/UefiShellLevel3CommandsLib/Ver.c

   1 /** @file
   2   Main file for Ver shell level 3 function.
   3
   4   (C) Copyright 2016 Hewlett Packard Enterprise Development LP<BR>
   5   (C) Copyright 2013-2015 Hewlett-Packard Development Company, L.P.<BR>
   6   Copyright (c) 2009 - 2018, Intel Corporation. All rights reserved.<BR>
   7   SPDX-License-Identifier: BSD-2-Clause-Patent
   8
   9 **/
  10
  11 #include "UefiShellLevel3CommandsLib.h"
  12
  13 #include <Library/ShellLib.h>
  14
  15 STATIC CONST SHELL_PARAM_ITEM  ParamList[] = {
  16   { L"-s",     TypeFlag },
  17   { L"-terse", TypeFlag },
  18   { L"-t",     TypeFlag },
  19   { L"-_pa",   TypeFlag },
  20   { NULL,      TypeMax  }
  21 };
  22
  23 /**
  24   Function for 'ver' command.
  25
  26   @param[in] ImageHandle  Handle to the Image (NULL if Internal).
  27   @param[in] SystemTable  Pointer to the System Table (NULL if Internal).
  28 **/
  29 SHELL_STATUS
  30 EFIAPI
  31 ShellCommandRunVer (
  32   IN EFI_HANDLE        ImageHandle,
  33   IN EFI_SYSTEM_TABLE  *SystemTable
  34   )
  35 {
  36   EFI_STATUS    Status;
  37   LIST_ENTRY    *Package;
  38   CHAR16        *ProblemParam;
  39   SHELL_STATUS  ShellStatus;
  40   UINT8         Level;
  41
  42   Level        = PcdGet8 (PcdShellSupportLevel);
  43   ProblemParam = NULL;
  44   ShellStatus  = SHELL_SUCCESS;
  45
  46   //
  47   // initialize the shell lib (we must be in non-auto-init...)
  48   //
  49   Status = ShellInitialize ();
  50   ASSERT_EFI_ERROR (Status);
  51
  52   Status = CommandInit ();
  53   ASSERT_EFI_ERROR (Status);
  54
  55   //
  56   // parse the command line
  57   //
  58   Status = ShellCommandLineParse (ParamList, &Package, &ProblemParam, TRUE);
  59   if (EFI_ERROR (Status)) {
  60     if ((Status == EFI_VOLUME_CORRUPTED) && (ProblemParam != NULL)) {
  61       ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_GEN_PROBLEM), gShellLevel3HiiHandle, L"ver", ProblemParam);
  62       FreePool (ProblemParam);
  63       ShellStatus = SHELL_INVALID_PARAMETER;
  64     } else {
  65       ASSERT (FALSE);
  66     }
  67   } else {
  68     //
  69     // check for "-?"
  70     //
  71     if (ShellCommandLineGetFlag (Package, L"-?")) {
  72       ASSERT (FALSE);
  73     }
  74
  75     if (ShellCommandLineGetRawValue (Package, 1) != NULL) {
  76       //
  77       // we have too many parameters
  78       //
  79       ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_GEN_TOO_MANY), gShellLevel3HiiHandle, L"ver");
  80       ShellStatus = SHELL_INVALID_PARAMETER;
  81     } else {
  82       if (ShellCommandLineGetFlag (Package, L"-s")) {
  83         if (ShellCommandLineGetFlag (Package, L"-terse") || ShellCommandLineGetFlag (Package, L"-t")) {
  84           ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_GEN_PARAM_CONFLICT), gShellLevel3HiiHandle, L"ver", L"-t or -terse", L"-s");
  85           ShellStatus = SHELL_INVALID_PARAMETER;
  86         } else {
  87           ShellPrintHiiEx (
  88             0,
  89             gST->ConOut->Mode->CursorRow,
  90             NULL,
  91             STRING_TOKEN (STR_VER_OUTPUT_SIMPLE),
  92             gShellLevel3HiiHandle,
  93             gEfiShellProtocol->MajorVersion,
  94             gEfiShellProtocol->MinorVersion
  95             );
  96         }
  97       } else {
  98         ShellPrintHiiEx (
  99           0,
 100           gST->ConOut->Mode->CursorRow,
 101           NULL,
 102           STRING_TOKEN (STR_VER_OUTPUT_SHELL),
 103           gShellLevel3HiiHandle,
 104           SupportLevel[Level],
 105           gEfiShellProtocol->MajorVersion,
 106           gEfiShellProtocol->MinorVersion
 107           );
 108         if (!ShellCommandLineGetFlag (Package, L"-terse") && !ShellCommandLineGetFlag (Package, L"-t")) {
 109           ShellPrintHiiEx (
 110             -1,
 111             -1,
 112             NULL,
 113             STRING_TOKEN (STR_VER_OUTPUT_SUPPLIER),
 114             gShellLevel3HiiHandle,
 115             (CHAR16 *)PcdGetPtr (PcdShellSupplier)
 116             );
 117
 118           ShellPrintHiiEx (
 119             -1,
 120             -1,
 121             NULL,
 122             STRING_TOKEN (STR_VER_OUTPUT_UEFI),
 123             gShellLevel3HiiHandle,
 124             (gST->Hdr.Revision&0xffff0000)>>16,
 125             (gST->Hdr.Revision&0x0000ffff),
 126             gST->FirmwareVendor,
 127             gST->FirmwareRevision
 128             );
 129         }
 130       }
 131
 132       //
 133       // implementation specific support for displaying processor architecture
 134       //
 135       if (ShellCommandLineGetFlag (Package, L"-_pa")) {
 136         ShellPrintEx (-1, -1, L"%d\r\n", sizeof (UINTN) == sizeof (UINT64) ? 64 : 32);
 137       }
 138     }
 139
 140     //
 141     // free the command line package
 142     //
 143     ShellCommandLineFreeVarList (Package);
 144   }
 145
 146   return (ShellStatus);
 147 }