ShellPkg/Library/UefiShellLevel3CommandsLib/Ver.c

   1 /** @file
   2   Main file for Ver shell level 3 function.
   3
   4   Copyright (c) 2009 - 2010, Intel Corporation. All rights reserved.<BR>
   5   This program and the accompanying materials
   6   are licensed and made available under the terms and conditions of the BSD License
   7   which accompanies this distribution.  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
  15 #include "UefiShellLevel3CommandsLib.h"
  16
  17 #include <Library/ShellLib.h>
  18
  19 STATIC CONST SHELL_PARAM_ITEM ParamList[] = {
  20   {L"-s", TypeFlag},
  21   {L"-terse", TypeFlag},
  22   {L"-t", TypeFlag},
  23   {L"-_pa", TypeFlag},
  24   {NULL, TypeMax}
  25   };
  26
  27 /**
  28   Function for 'ver' command.
  29
  30   @param[in] ImageHandle  Handle to the Image (NULL if Internal).
  31   @param[in] SystemTable  Pointer to the System Table (NULL if Internal).
  32 **/
  33 SHELL_STATUS
  34 EFIAPI
  35 ShellCommandRunVer (
  36   IN EFI_HANDLE        ImageHandle,
  37   IN EFI_SYSTEM_TABLE  *SystemTable
  38   )
  39 {
  40   EFI_STATUS          Status;
  41   LIST_ENTRY          *Package;
  42   CHAR16              *ProblemParam;
  43   SHELL_STATUS        ShellStatus;
  44   UINT8               Level;
  45
  46   Level = PcdGet8(PcdShellSupportLevel);
  47   ProblemParam        = NULL;
  48   ShellStatus         = SHELL_SUCCESS;
  49
  50   //
  51   // initialize the shell lib (we must be in non-auto-init...)
  52   //
  53   Status = ShellInitialize();
  54   ASSERT_EFI_ERROR(Status);
  55
  56   Status = CommandInit();
  57   ASSERT_EFI_ERROR(Status);
  58
  59   //
  60   // parse the command line
  61   //
  62   Status = ShellCommandLineParse (ParamList, &Package, &ProblemParam, TRUE);
  63   if (EFI_ERROR(Status)) {
  64     if (Status == EFI_VOLUME_CORRUPTED && ProblemParam != NULL) {
  65       ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_PROBLEM), gShellLevel3HiiHandle, ProblemParam);
  66       FreePool(ProblemParam);
  67       ShellStatus = SHELL_INVALID_PARAMETER;
  68     } else {
  69       ASSERT(FALSE);
  70     }
  71   } else {
  72     //
  73     // check for "-?"
  74     //
  75     if (ShellCommandLineGetFlag(Package, L"-?")) {
  76       ASSERT(FALSE);
  77     }
  78     if (ShellCommandLineGetRawValue(Package, 1) != NULL) {
  79       //
  80       // we have too many parameters
  81       //
  82       ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_TOO_MANY), gShellLevel3HiiHandle);
  83       ShellStatus = SHELL_INVALID_PARAMETER;
  84     } else {
  85       if (ShellCommandLineGetFlag(Package, L"-s")) {
  86         ShellPrintHiiEx (
  87           0,
  88           gST->ConOut->Mode->CursorRow,
  89           NULL,
  90           STRING_TOKEN (STR_VER_OUTPUT_SIMPLE),
  91           gShellLevel3HiiHandle,
  92           gEfiShellProtocol->MajorVersion,
  93           gEfiShellProtocol->MinorVersion
  94          );
  95       } else {
  96         ShellPrintHiiEx (
  97           0,
  98           gST->ConOut->Mode->CursorRow,
  99           NULL,
 100           STRING_TOKEN (STR_VER_OUTPUT_SHELL),
 101           gShellLevel3HiiHandle,
 102           SupportLevel[Level],
 103           gEfiShellProtocol->MajorVersion,
 104           gEfiShellProtocol->MinorVersion
 105          );
 106         if (!ShellCommandLineGetFlag(Package, L"-terse") && !ShellCommandLineGetFlag(Package, L"-t")){
 107           ShellPrintHiiEx(
 108             -1,
 109             -1,
 110             NULL,
 111             STRING_TOKEN (STR_VER_EXTRA_STRING),
 112             gShellLevel3HiiHandle
 113            );
 114
 115
 116           ShellPrintHiiEx (
 117             -1,
 118             -1,
 119             NULL,
 120             STRING_TOKEN (STR_VER_OUTPUT_UEFI),
 121             gShellLevel3HiiHandle,
 122             (gST->Hdr.Revision&0xffff0000)>>16,
 123             (gST->Hdr.Revision&0x0000ffff),
 124             gST->FirmwareVendor,
 125             gST->FirmwareRevision
 126            );
 127         }
 128       }
 129       //
 130       // implementation specific support for displaying processor architecture
 131       //
 132       if (ShellCommandLineGetFlag(Package, L"-_pa")) {
 133         ShellPrintEx(-1, -1, L"%d\r\n", sizeof(UINTN)==sizeof(UINT64)?64:32);
 134       }
 135     }
 136
 137     //
 138     // free the command line package
 139     //
 140     ShellCommandLineFreeVarList (Package);
 141   }
 142
 143   return (ShellStatus);
 144 }
 145