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path: root/ShellPkg/Library/UefiShellLevel3CommandsLib/Ver.c
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/** @file
  Main file for Ver shell level 3 function.

  (C) Copyright 2016 Hewlett Packard Enterprise Development LP<BR>
  (C) Copyright 2013-2015 Hewlett-Packard Development Company, L.P.<BR>
  Copyright (c) 2009 - 2010, 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
  which 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.

**/

#include "UefiShellLevel3CommandsLib.h"

#include <Library/ShellLib.h>

STATIC CONST SHELL_PARAM_ITEM ParamList[] = {
  {L"-s", TypeFlag},
  {L"-terse", TypeFlag},
  {L"-t", TypeFlag},
  {L"-_pa", TypeFlag},
  {NULL, TypeMax}
  };

/**
  Function for 'ver' command.

  @param[in] ImageHandle  Handle to the Image (NULL if Internal).
  @param[in] SystemTable  Pointer to the System Table (NULL if Internal).
**/
SHELL_STATUS
EFIAPI
ShellCommandRunVer (
  IN EFI_HANDLE        ImageHandle,
  IN EFI_SYSTEM_TABLE  *SystemTable
  )
{
  EFI_STATUS          Status;
  LIST_ENTRY          *Package;
  CHAR16              *ProblemParam;
  SHELL_STATUS        ShellStatus;
  UINT8               Level;

  Level = PcdGet8(PcdShellSupportLevel);
  ProblemParam        = NULL;
  ShellStatus         = SHELL_SUCCESS;

  //
  // initialize the shell lib (we must be in non-auto-init...)
  //
  Status = ShellInitialize();
  ASSERT_EFI_ERROR(Status);

  Status = CommandInit();
  ASSERT_EFI_ERROR(Status);

  //
  // parse the command line
  //
  Status = ShellCommandLineParse (ParamList, &Package, &ProblemParam, TRUE);
  if (EFI_ERROR(Status)) {
    if (Status == EFI_VOLUME_CORRUPTED && ProblemParam != NULL) {
      ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_PROBLEM), gShellLevel3HiiHandle, L"ver", ProblemParam);  
      FreePool(ProblemParam);
      ShellStatus = SHELL_INVALID_PARAMETER;
    } else {
      ASSERT(FALSE);
    }
  } else {
    //
    // check for "-?"
    //
    if (ShellCommandLineGetFlag(Package, L"-?")) {
      ASSERT(FALSE);
    }
    if (ShellCommandLineGetRawValue(Package, 1) != NULL) {
      //
      // we have too many parameters
      //
      ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_TOO_MANY), gShellLevel3HiiHandle, L"ver");  
      ShellStatus = SHELL_INVALID_PARAMETER;
    } else {
      if (ShellCommandLineGetFlag(Package, L"-s")) {
        if (ShellCommandLineGetFlag(Package, L"-terse") || ShellCommandLineGetFlag(Package, L"-t")){
          ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_PARAM_CONFLICT), gShellLevel3HiiHandle, L"ver", L"-t or -terse", L"-s");
          ShellStatus = SHELL_INVALID_PARAMETER;
        } else {
          ShellPrintHiiEx (
            0,
            gST->ConOut->Mode->CursorRow,
            NULL,
            STRING_TOKEN (STR_VER_OUTPUT_SIMPLE),
            gShellLevel3HiiHandle,
            gEfiShellProtocol->MajorVersion,
            gEfiShellProtocol->MinorVersion
           );
        }
      } else {
        ShellPrintHiiEx (
          0,
          gST->ConOut->Mode->CursorRow,
          NULL,
          STRING_TOKEN (STR_VER_OUTPUT_SHELL),
          gShellLevel3HiiHandle,
          SupportLevel[Level],
          gEfiShellProtocol->MajorVersion,
          gEfiShellProtocol->MinorVersion
         );
        if (!ShellCommandLineGetFlag(Package, L"-terse") && !ShellCommandLineGetFlag(Package, L"-t")){
          ShellPrintHiiEx(
            -1,
            -1,
            NULL,
            STRING_TOKEN (STR_VER_OUTPUT_SUPPLIER),
            gShellLevel3HiiHandle,
            (CHAR16 *) PcdGetPtr (PcdShellSupplier)
           );


          ShellPrintHiiEx (
            -1,
            -1,
            NULL,
            STRING_TOKEN (STR_VER_OUTPUT_UEFI),
            gShellLevel3HiiHandle,
            (gST->Hdr.Revision&0xffff0000)>>16,
            (gST->Hdr.Revision&0x0000ffff),
            gST->FirmwareVendor,
            gST->FirmwareRevision
           );
        }
      }
      //
      // implementation specific support for displaying processor architecture
      //
      if (ShellCommandLineGetFlag(Package, L"-_pa")) {
        ShellPrintEx(-1, -1, L"%d\r\n", sizeof(UINTN)==sizeof(UINT64)?64:32);
      }
    }

    //
    // free the command line package
    //
    ShellCommandLineFreeVarList (Package);
  }

  return (ShellStatus);
}