1 files changed, 95 insertions, 0 deletions
diff --git a/roms/edk2/ShellPkg/Library/UefiShellLevel3CommandsLib/UefiShellLevel3CommandsLib.c b/roms/edk2/ShellPkg/Library/UefiShellLevel3CommandsLib/UefiShellLevel3CommandsLib.c
new file mode 100644
index 000000000..ce4afd117
--- /dev/null
+++ b/roms/edk2/ShellPkg/Library/UefiShellLevel3CommandsLib/UefiShellLevel3CommandsLib.c
@@ -0,0 +1,95 @@
+/** @file
+  Main file for NULL named library for level 3 shell command functions.
+
+  (C) Copyright 2014 Hewlett-Packard Development Company, L.P.<BR>
+  Copyright (c) 2009 - 2011, Intel Corporation. All rights reserved. <BR>
+  SPDX-License-Identifier: BSD-2-Clause-Patent
+
+**/
+#include "UefiShellLevel3CommandsLib.h"
+
+CONST CHAR16 gShellLevel3FileName[] = L"ShellCommands";
+EFI_HII_HANDLE gShellLevel3HiiHandle = NULL;
+
+/**
+  return the filename to get help from is not using HII.
+
+  @retval The filename.
+**/
+CONST CHAR16*
+EFIAPI
+ShellCommandGetManFileNameLevel3 (
+  VOID
+  )
+{
+  return (gShellLevel3FileName);
+}
+
+/**
+  Constructor for the Shell Level 3 Commands library.
+
+  Install the handlers for level 3 UEFI Shell 2.0 commands.
+
+  @param ImageHandle    the image handle of the process
+  @param SystemTable    the EFI System Table pointer
+
+  @retval EFI_SUCCESS        the shell command handlers were installed sucessfully
+  @retval EFI_UNSUPPORTED    the shell level required was not found.
+**/
+EFI_STATUS
+EFIAPI
+ShellLevel3CommandsLibConstructor (
+  IN EFI_HANDLE        ImageHandle,
+  IN EFI_SYSTEM_TABLE  *SystemTable
+  )
+{
+  gShellLevel3HiiHandle = NULL;
+  //
+  // if shell level is less than 3 do nothing
+  //
+  if (PcdGet8(PcdShellSupportLevel) < 3) {
+    return (EFI_SUCCESS);
+  }
+
+  gShellLevel3HiiHandle = HiiAddPackages (&gShellLevel3HiiGuid, gImageHandle, UefiShellLevel3CommandsLibStrings, NULL);
+  if (gShellLevel3HiiHandle == NULL) {
+    return (EFI_DEVICE_ERROR);
+  }
+  //
+  // install our shell command handlers that are always installed
+  //
+  // Note: that Time, Timezone, and Date are part of level 2 library
+  //
+  ShellCommandRegisterCommandName(L"type",    ShellCommandRunType   , ShellCommandGetManFileNameLevel3, 3, L"", TRUE , gShellLevel3HiiHandle, STRING_TOKEN(STR_GET_HELP_TYPE));
+  ShellCommandRegisterCommandName(L"touch",   ShellCommandRunTouch  , ShellCommandGetManFileNameLevel3, 3, L"", TRUE , gShellLevel3HiiHandle, STRING_TOKEN(STR_GET_HELP_TOUCH));
+  ShellCommandRegisterCommandName(L"ver",     ShellCommandRunVer    , ShellCommandGetManFileNameLevel3, 3, L"", TRUE , gShellLevel3HiiHandle, STRING_TOKEN(STR_GET_HELP_VER));
+  ShellCommandRegisterCommandName(L"alias",   ShellCommandRunAlias  , ShellCommandGetManFileNameLevel3, 3, L"", TRUE , gShellLevel3HiiHandle, STRING_TOKEN(STR_GET_HELP_ALIAS));
+  ShellCommandRegisterCommandName(L"cls",     ShellCommandRunCls    , ShellCommandGetManFileNameLevel3, 3, L"", TRUE , gShellLevel3HiiHandle, STRING_TOKEN(STR_GET_HELP_CLS));
+  ShellCommandRegisterCommandName(L"echo",    ShellCommandRunEcho   , ShellCommandGetManFileNameLevel3, 3, L"", FALSE, gShellLevel3HiiHandle, STRING_TOKEN(STR_GET_HELP_ECHO));
+  ShellCommandRegisterCommandName(L"pause",   ShellCommandRunPause  , ShellCommandGetManFileNameLevel3, 3, L"", TRUE , gShellLevel3HiiHandle, STRING_TOKEN(STR_GET_HELP_PAUSE));
+  ShellCommandRegisterCommandName(L"getmtc",  ShellCommandRunGetMtc , ShellCommandGetManFileNameLevel3, 3, L"", TRUE , gShellLevel3HiiHandle, STRING_TOKEN(STR_GET_HELP_GETMTC));
+  ShellCommandRegisterCommandName(L"help",    ShellCommandRunHelp   , ShellCommandGetManFileNameLevel3, 3, L"", TRUE , gShellLevel3HiiHandle, STRING_TOKEN(STR_GET_HELP_HELP));
+
+  ShellCommandRegisterAlias(L"type", L"cat");
+
+  return (EFI_SUCCESS);
+}
+
+/**
+  Destructor for the library.  free any resources.
+
+  @param ImageHandle            The image handle of the process.
+  @param SystemTable            The EFI System Table pointer.
+**/
+EFI_STATUS
+EFIAPI
+ShellLevel3CommandsLibDestructor (
+  IN EFI_HANDLE        ImageHandle,
+  IN EFI_SYSTEM_TABLE  *SystemTable
+  )
+{
+  if (gShellLevel3HiiHandle != NULL) {
+    HiiRemovePackages(gShellLevel3HiiHandle);
+  }
+  return (EFI_SUCCESS);
+}