ShellPkg: acpiview: Add GT Frame Number validation to GTDT parser

[mirror_edk2.git] / ShellPkg / Library / UefiShellLevel1CommandsLib / Stall.c

/** @file\r
  Main file for stall shell level 1 function.\r
\r
  (C) Copyright 2015 Hewlett-Packard Development Company, L.P.<BR>\r
  Copyright (c) 2011 - 2018, Intel Corporation. All rights reserved.<BR>\r
  SPDX-License-Identifier: BSD-2-Clause-Patent\r
\r
**/\r
\r
#include "UefiShellLevel1CommandsLib.h"\r
\r
/**\r
  Function for 'stall' command.\r
\r
  @param[in] ImageHandle  Handle to the Image (NULL if Internal).\r
  @param[in] SystemTable  Pointer to the System Table (NULL if Internal).\r
**/\r
SHELL_STATUS\r
EFIAPI\r
ShellCommandRunStall (\r
  IN EFI_HANDLE        ImageHandle,\r
  IN EFI_SYSTEM_TABLE  *SystemTable\r
  )\r
{\r
  EFI_STATUS          Status;\r
  LIST_ENTRY          *Package;\r
  CHAR16              *ProblemParam;\r
  SHELL_STATUS        ShellStatus;\r
  UINT64              Intermediate;\r
\r
  ShellStatus         = SHELL_SUCCESS;\r
\r
  //\r
  // initialize the shell lib (we must be in non-auto-init...)\r
  //\r
  Status = ShellInitialize();\r
  ASSERT_EFI_ERROR(Status);\r
\r
  Status = CommandInit();\r
  ASSERT_EFI_ERROR(Status);\r
\r
  //\r
  // parse the command line\r
  //\r
  Status = ShellCommandLineParse (EmptyParamList, &Package, &ProblemParam, TRUE);\r
  if (EFI_ERROR(Status)) {\r
    if (Status == EFI_VOLUME_CORRUPTED && ProblemParam != NULL) {\r
      ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_PROBLEM), gShellLevel1HiiHandle, L"stall", ProblemParam);\r
      FreePool(ProblemParam);\r
      ShellStatus = SHELL_INVALID_PARAMETER;\r
    } else {\r
      ASSERT(FALSE);\r
    }\r
  } else {\r
    if (ShellCommandLineGetRawValue(Package, 2) != NULL) {\r
      ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_TOO_MANY), gShellLevel1HiiHandle, L"stall");\r
      ShellStatus = SHELL_INVALID_PARAMETER;\r
    } else if (ShellCommandLineGetRawValue(Package, 1) == NULL) {\r
      ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_TOO_FEW), gShellLevel1HiiHandle, L"stall");\r
      ShellStatus = SHELL_INVALID_PARAMETER;\r
    } else {\r
      Status = ShellConvertStringToUint64(ShellCommandLineGetRawValue(Package, 1), &Intermediate, FALSE, FALSE);\r
      if (EFI_ERROR(Status) || ((UINT64)(UINTN)(Intermediate)) != Intermediate) {\r
        ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_PARAM_INV), gShellLevel1HiiHandle, L"stall", ShellCommandLineGetRawValue(Package, 1));\r
        ShellStatus = SHELL_INVALID_PARAMETER;\r
      } else {\r
        Status = gBS->Stall((UINTN)Intermediate);\r
        if (EFI_ERROR(Status)) {\r
          ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_STALL_FAILED), gShellLevel1HiiHandle, L"stall");\r
          ShellStatus = SHELL_DEVICE_ERROR;\r
        }\r
      }\r
    }\r
    ShellCommandLineFreeVarList (Package);\r
  }\r
  return (ShellStatus);\r
}\r
\r