UefiCpuPkg: Move AsmRelocateApLoopStart from Mpfuncs.nasm to AmdSev.nasm

[mirror_edk2.git] / ShellPkg / Library / UefiShellLevel3CommandsLib / Pause.c

/** @file\r
  Main file for Pause shell level 3 function.\r
\r
  (C) Copyright 2015 Hewlett-Packard Development Company, L.P.<BR>\r
  Copyright (c) 2009 - 2018, Intel Corporation. All rights reserved. <BR>\r
  SPDX-License-Identifier: BSD-2-Clause-Patent\r
\r
**/\r
\r
#include "UefiShellLevel3CommandsLib.h"\r
\r
STATIC CONST SHELL_PARAM_ITEM  ParamList[] = {\r
  { L"-q", TypeFlag },\r
  { NULL,  TypeMax  }\r
};\r
\r
/**\r
  Function for 'pause' 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
ShellCommandRunPause (\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
  SHELL_PROMPT_RESPONSE  *Resp;\r
\r
  ProblemParam = NULL;\r
  ShellStatus  = SHELL_SUCCESS;\r
  Resp         = NULL;\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
  if (!gEfiShellProtocol->BatchIsActive ()) {\r
    ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_NO_SCRIPT), gShellLevel3HiiHandle, L"pause");\r
    return (SHELL_UNSUPPORTED);\r
  }\r
\r
  //\r
  // parse the command line\r
  //\r
  Status = ShellCommandLineParse (ParamList, &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), gShellLevel3HiiHandle, L"pause", ProblemParam);\r
      FreePool (ProblemParam);\r
      ShellStatus = SHELL_INVALID_PARAMETER;\r
    } else {\r
      ASSERT (FALSE);\r
    }\r
  } else {\r
    //\r
    // check for "-?"\r
    //\r
    if (ShellCommandLineGetFlag (Package, L"-?")) {\r
      ASSERT (FALSE);\r
    } else if (ShellCommandLineGetRawValue (Package, 1) != NULL) {\r
      ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_GEN_TOO_MANY), gShellLevel3HiiHandle, L"pause");\r
      ShellStatus = SHELL_INVALID_PARAMETER;\r
    } else {\r
      if (!ShellCommandLineGetFlag (Package, L"-q")) {\r
        Status = ShellPromptForResponseHii (ShellPromptResponseTypeQuitContinue, STRING_TOKEN (STR_PAUSE_PROMPT), gShellLevel3HiiHandle, (VOID **)&Resp);\r
      } else {\r
        Status = ShellPromptForResponse (ShellPromptResponseTypeQuitContinue, NULL, (VOID **)&Resp);\r
      }\r
\r
      if (EFI_ERROR (Status) || (Resp == NULL) || (*Resp == ShellPromptResponseQuit)) {\r
        ShellCommandRegisterExit (TRUE, 0);\r
        ShellStatus = SHELL_ABORTED;\r
      }\r
\r
      if (Resp != NULL) {\r
        FreePool (Resp);\r
      }\r
    }\r
\r
    //\r
    // free the command line package\r
    //\r
    ShellCommandLineFreeVarList (Package);\r
  }\r
\r
  return (ShellStatus);\r
}\r