1 /** @file
2 Main file for attrib shell level 2 function.
3
4 (C) Copyright 2015 Hewlett-Packard Development Company, L.P.<BR>
5 Copyright (c) 2009 - 2012, 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
16 #include "UefiShellLevel2CommandsLib.h"
17
18 STATIC CONST SHELL_PARAM_ITEM ResetParamList[] = {
19 {L"-w", TypeValue},
20 {L"-s", TypeValue},
21 {L"-c", TypeValue},
22 {NULL, TypeMax}
23 };
24
25 /**
26 Function for 'reset' command.
27
28 @param[in] ImageHandle Handle to the Image (NULL if Internal).
29 @param[in] SystemTable Pointer to the System Table (NULL if Internal).
30 **/
31 SHELL_STATUS
32 EFIAPI
ShellCommandRunReset(IN EFI_HANDLE ImageHandle,IN EFI_SYSTEM_TABLE * SystemTable)33 ShellCommandRunReset (
34 IN EFI_HANDLE ImageHandle,
35 IN EFI_SYSTEM_TABLE *SystemTable
36 )
37 {
38 EFI_STATUS Status;
39 LIST_ENTRY *Package;
40 CONST CHAR16 *String;
41 CHAR16 *ProblemParam;
42 SHELL_STATUS ShellStatus;
43
44 ShellStatus = SHELL_SUCCESS;
45 ProblemParam = NULL;
46
47 //
48 // initialize the shell lib (we must be in non-auto-init...)
49 //
50 Status = ShellInitialize();
51 ASSERT_EFI_ERROR(Status);
52
53 //
54 // parse the command line
55 //
56 Status = ShellCommandLineParse (ResetParamList, &Package, &ProblemParam, TRUE);
57 if (EFI_ERROR(Status)) {
58 if (Status == EFI_VOLUME_CORRUPTED && ProblemParam != NULL) {
59 ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_PROBLEM), gShellLevel2HiiHandle, L"reset", ProblemParam);
60 FreePool(ProblemParam);
61 return (SHELL_INVALID_PARAMETER);
62 } else {
63 ASSERT(FALSE);
64 }
65 } else {
66 //
67 // check for "-?"
68 //
69 if (ShellCommandLineGetFlag(Package, L"-?")) {
70 ASSERT(FALSE);
71 } else if (ShellCommandLineGetRawValue(Package, 1) != NULL) {
72 ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_TOO_MANY), gShellLevel2HiiHandle, L"reset");
73 ShellStatus = SHELL_INVALID_PARAMETER;
74 } else {
75 //
76 // check for warm reset flag, then shutdown reset flag, then cold (default) reset flag
77 //
78 if (ShellCommandLineGetFlag(Package, L"-w")) {
79 if (ShellCommandLineGetFlag(Package, L"-s") || ShellCommandLineGetFlag(Package, L"-c")) {
80 ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_TOO_MANY), gShellLevel2HiiHandle, L"reset");
81 ShellStatus = SHELL_INVALID_PARAMETER;
82 } else {
83 String = ShellCommandLineGetValue(Package, L"-w");
84 if (String != NULL) {
85 gRT->ResetSystem(EfiResetWarm, EFI_SUCCESS, StrSize(String), (VOID*)String);
86 } else {
87 gRT->ResetSystem(EfiResetWarm, EFI_SUCCESS, 0, NULL);
88 }
89 }
90 } else if (ShellCommandLineGetFlag(Package, L"-s")) {
91 if (ShellCommandLineGetFlag(Package, L"-c")) {
92 ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_TOO_MANY), gShellLevel2HiiHandle, L"reset");
93 ShellStatus = SHELL_INVALID_PARAMETER;
94 } else {
95 String = ShellCommandLineGetValue(Package, L"-s");
96 DEBUG_CODE(ShellPrintEx(-1,-1,L"Reset with %s (%d bytes)", String, String!=NULL?StrSize(String):0););
97 if (String != NULL) {
98 gRT->ResetSystem(EfiResetShutdown, EFI_SUCCESS, StrSize(String), (VOID*)String);
99 } else {
100 gRT->ResetSystem(EfiResetShutdown, EFI_SUCCESS, 0, NULL);
101 }
102 }
103 } else {
104 //
105 // this is default so dont worry about flag...
106 //
107 String = ShellCommandLineGetValue(Package, L"-c");
108 if (String != NULL) {
109 gRT->ResetSystem(EfiResetCold, EFI_SUCCESS, StrSize(String), (VOID*)String);
110 } else {
111 gRT->ResetSystem(EfiResetCold, EFI_SUCCESS, 0, NULL);
112 }
113 }
114 }
115 }
116
117 //
118 // we should never get here... so the free and return are for formality more than use
119 // as the ResetSystem function should not return...
120 //
121
122 //
123 // free the command line package
124 //
125 ShellCommandLineFreeVarList (Package);
126
127 //
128 // return the status
129 //
130 return (ShellStatus);
131 }
132
133