1 files changed, 107 insertions, 0 deletions
diff --git a/Core/ShellPkg/Library/UefiShellLevel3CommandsLib/Pause.c b/Core/ShellPkg/Library/UefiShellLevel3CommandsLib/Pause.c
new file mode 100644
index 0000000000..ab597060e2
--- /dev/null
+++ b/Core/ShellPkg/Library/UefiShellLevel3CommandsLib/Pause.c
@@ -0,0 +1,107 @@
+/** @file
+  Main file for Pause shell level 3 function.
+
+  (C) Copyright 2015 Hewlett-Packard Development Company, L.P.<BR>
+  Copyright (c) 2009 - 2014, 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"
+
+STATIC CONST SHELL_PARAM_ITEM ParamList[] = {
+  {L"-q", TypeFlag},
+  {NULL, TypeMax}
+  };
+
+/**
+  Function for 'pause' 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
+ShellCommandRunPause (
+  IN EFI_HANDLE        ImageHandle,
+  IN EFI_SYSTEM_TABLE  *SystemTable
+  )
+{
+  EFI_STATUS          Status;
+  LIST_ENTRY          *Package;
+  CHAR16              *ProblemParam;
+  SHELL_STATUS        ShellStatus;
+  SHELL_PROMPT_RESPONSE            *Resp;
+
+  ProblemParam        = NULL;
+  ShellStatus         = SHELL_SUCCESS;
+  Resp                = NULL;
+
+  //
+  // initialize the shell lib (we must be in non-auto-init...)
+  //
+  Status = ShellInitialize();
+  ASSERT_EFI_ERROR(Status);
+
+  Status = CommandInit();
+  ASSERT_EFI_ERROR(Status);
+
+  if (!gEfiShellProtocol->BatchIsActive()) {
+    ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_NO_SCRIPT), gShellLevel3HiiHandle, L"pause");  
+    return (SHELL_UNSUPPORTED);
+  }
+
+  //
+  // 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"pause", ProblemParam);  
+      FreePool(ProblemParam);
+      ShellStatus = SHELL_INVALID_PARAMETER;
+    } else {
+      ASSERT(FALSE);
+    }
+  } else {
+    //
+    // check for "-?"
+    //
+    if (ShellCommandLineGetFlag(Package, L"-?")) {
+      ASSERT(FALSE);
+    } else if (ShellCommandLineGetRawValue(Package, 1) != NULL) {
+      ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_TOO_MANY), gShellLevel3HiiHandle, L"pause");  
+      ShellStatus = SHELL_INVALID_PARAMETER;
+    } else {
+      if (!ShellCommandLineGetFlag(Package, L"-q")) {
+        Status = ShellPromptForResponseHii(ShellPromptResponseTypeQuitContinue, STRING_TOKEN (STR_PAUSE_PROMPT), gShellLevel3HiiHandle, (VOID**)&Resp);
+      } else {
+        Status = ShellPromptForResponse(ShellPromptResponseTypeQuitContinue, NULL, (VOID**)&Resp);
+      }
+
+      if (EFI_ERROR(Status) || Resp == NULL || *Resp == ShellPromptResponseQuit) {
+        ShellCommandRegisterExit(TRUE, 0);
+        ShellStatus = SHELL_ABORTED;
+      }
+
+      if (Resp != NULL) {
+        FreePool(Resp);
+      }
+    }
+
+    //
+    // free the command line package
+    //
+    ShellCommandLineFreeVarList (Package);
+  }
+
+
+  return (ShellStatus);
+}
+