1 /** @file
2 Main file for NULL named library for level 3 shell command functions.
3
4 (C) Copyright 2014 Hewlett-Packard Development Company, L.P.<BR>
5 Copyright (c) 2009 - 2011, Intel Corporation. All rights reserved. <BR>
6 This program and the accompanying materials
7 are licensed and made available under the terms and conditions of the BSD License
8 which accompanies this distribution. The full text of the license may be found at
9 http://opensource.org/licenses/bsd-license.php
10
11 THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
12 WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
13
14 **/
15 #include "UefiShellLevel3CommandsLib.h"
16
17 CONST CHAR16 gShellLevel3FileName[] = L"ShellCommands";
18 EFI_HANDLE gShellLevel3HiiHandle = NULL;
19
20 /**
21 return the filename to get help from is not using HII.
22
23 @retval The filename.
24 **/
25 CONST CHAR16*
26 EFIAPI
ShellCommandGetManFileNameLevel3(VOID)27 ShellCommandGetManFileNameLevel3 (
28 VOID
29 )
30 {
31 return (gShellLevel3FileName);
32 }
33
34 /**
35 Constructor for the Shell Level 3 Commands library.
36
37 Install the handlers for level 3 UEFI Shell 2.0 commands.
38
39 @param ImageHandle the image handle of the process
40 @param SystemTable the EFI System Table pointer
41
42 @retval EFI_SUCCESS the shell command handlers were installed sucessfully
43 @retval EFI_UNSUPPORTED the shell level required was not found.
44 **/
45 EFI_STATUS
46 EFIAPI
ShellLevel3CommandsLibConstructor(IN EFI_HANDLE ImageHandle,IN EFI_SYSTEM_TABLE * SystemTable)47 ShellLevel3CommandsLibConstructor (
48 IN EFI_HANDLE ImageHandle,
49 IN EFI_SYSTEM_TABLE *SystemTable
50 )
51 {
52 gShellLevel3HiiHandle = NULL;
53 //
54 // if shell level is less than 3 do nothing
55 //
56 if (PcdGet8(PcdShellSupportLevel) < 3) {
57 return (EFI_SUCCESS);
58 }
59
60 gShellLevel3HiiHandle = HiiAddPackages (&gShellLevel3HiiGuid, gImageHandle, UefiShellLevel3CommandsLibStrings, NULL);
61 if (gShellLevel3HiiHandle == NULL) {
62 return (EFI_DEVICE_ERROR);
63 }
64 //
65 // install our shell command handlers that are always installed
66 //
67 // Note: that Time, Timezone, and Date are part of level 2 library
68 //
69 ShellCommandRegisterCommandName(L"type", ShellCommandRunType , ShellCommandGetManFileNameLevel3, 3, L"", TRUE , gShellLevel3HiiHandle, STRING_TOKEN(STR_GET_HELP_TYPE));
70 ShellCommandRegisterCommandName(L"touch", ShellCommandRunTouch , ShellCommandGetManFileNameLevel3, 3, L"", TRUE , gShellLevel3HiiHandle, STRING_TOKEN(STR_GET_HELP_TOUCH));
71 ShellCommandRegisterCommandName(L"ver", ShellCommandRunVer , ShellCommandGetManFileNameLevel3, 3, L"", TRUE , gShellLevel3HiiHandle, STRING_TOKEN(STR_GET_HELP_VER));
72 ShellCommandRegisterCommandName(L"alias", ShellCommandRunAlias , ShellCommandGetManFileNameLevel3, 3, L"", TRUE , gShellLevel3HiiHandle, STRING_TOKEN(STR_GET_HELP_ALIAS));
73 ShellCommandRegisterCommandName(L"cls", ShellCommandRunCls , ShellCommandGetManFileNameLevel3, 3, L"", TRUE , gShellLevel3HiiHandle, STRING_TOKEN(STR_GET_HELP_CLS));
74 ShellCommandRegisterCommandName(L"echo", ShellCommandRunEcho , ShellCommandGetManFileNameLevel3, 3, L"", FALSE, gShellLevel3HiiHandle, STRING_TOKEN(STR_GET_HELP_ECHO));
75 ShellCommandRegisterCommandName(L"pause", ShellCommandRunPause , ShellCommandGetManFileNameLevel3, 3, L"", TRUE , gShellLevel3HiiHandle, STRING_TOKEN(STR_GET_HELP_PAUSE));
76 ShellCommandRegisterCommandName(L"getmtc", ShellCommandRunGetMtc , ShellCommandGetManFileNameLevel3, 3, L"", TRUE , gShellLevel3HiiHandle, STRING_TOKEN(STR_GET_HELP_GETMTC));
77 ShellCommandRegisterCommandName(L"help", ShellCommandRunHelp , ShellCommandGetManFileNameLevel3, 3, L"", TRUE , gShellLevel3HiiHandle, STRING_TOKEN(STR_GET_HELP_HELP));
78
79 ShellCommandRegisterAlias(L"type", L"cat");
80
81 return (EFI_SUCCESS);
82 }
83
84 /**
85 Destructor for the library. free any resources.
86
87 @param ImageHandle The image handle of the process.
88 @param SystemTable The EFI System Table pointer.
89 **/
90 EFI_STATUS
91 EFIAPI
ShellLevel3CommandsLibDestructor(IN EFI_HANDLE ImageHandle,IN EFI_SYSTEM_TABLE * SystemTable)92 ShellLevel3CommandsLibDestructor (
93 IN EFI_HANDLE ImageHandle,
94 IN EFI_SYSTEM_TABLE *SystemTable
95 )
96 {
97 if (gShellLevel3HiiHandle != NULL) {
98 HiiRemovePackages(gShellLevel3HiiHandle);
99 }
100 return (EFI_SUCCESS);
101 }
102