1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
|
/** @file
Main file for attrib shell level 2 function.
(C) Copyright 2015 Hewlett-Packard Development Company, L.P.<BR>
Copyright (c) 2009 - 2018, Intel Corporation. All rights reserved.<BR>
SPDX-License-Identifier: BSD-2-Clause-Patent
**/
#include "UefiShellLevel2CommandsLib.h"
STATIC CONST SHELL_PARAM_ITEM ResetParamList[] = {
{ L"-w", TypeValue },
{ L"-s", TypeValue },
{ L"-c", TypeValue },
{ L"-fwui", TypeFlag },
{ NULL, TypeMax }
};
/**
Function for 'reset' 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
ShellCommandRunReset (
IN EFI_HANDLE ImageHandle,
IN EFI_SYSTEM_TABLE *SystemTable
)
{
EFI_STATUS Status;
LIST_ENTRY *Package;
CONST CHAR16 *String;
CHAR16 *ProblemParam;
SHELL_STATUS ShellStatus;
UINT64 OsIndications;
UINT32 Attr;
UINTN DataSize;
ShellStatus = SHELL_SUCCESS;
ProblemParam = NULL;
//
// initialize the shell lib (we must be in non-auto-init...)
//
Status = ShellInitialize ();
ASSERT_EFI_ERROR (Status);
//
// parse the command line
//
Status = ShellCommandLineParse (ResetParamList, &Package, &ProblemParam, TRUE);
if (EFI_ERROR (Status)) {
if ((Status == EFI_VOLUME_CORRUPTED) && (ProblemParam != NULL)) {
ShellPrintHiiDefaultEx (STRING_TOKEN (STR_GEN_PROBLEM), gShellLevel2HiiHandle, L"reset", ProblemParam);
FreePool (ProblemParam);
return (SHELL_INVALID_PARAMETER);
} else {
ASSERT (FALSE);
}
} else {
//
// check for "-?"
//
if (ShellCommandLineGetFlag (Package, L"-?")) {
ASSERT (FALSE);
} else if (ShellCommandLineGetRawValue (Package, 1) != NULL) {
ShellPrintHiiDefaultEx (STRING_TOKEN (STR_GEN_TOO_MANY), gShellLevel2HiiHandle, L"reset");
ShellStatus = SHELL_INVALID_PARAMETER;
} else {
if (ShellCommandLineGetFlag (Package, L"-fwui")) {
DataSize = sizeof (OsIndications);
Status = gRT->GetVariable (
EFI_OS_INDICATIONS_SUPPORT_VARIABLE_NAME,
&gEfiGlobalVariableGuid,
&Attr,
&DataSize,
&OsIndications
);
if (EFI_ERROR (Status)) {
ShellStatus = SHELL_UNSUPPORTED;
goto Error;
}
if ((OsIndications & EFI_OS_INDICATIONS_BOOT_TO_FW_UI) != 0) {
DataSize = sizeof (OsIndications);
Status = gRT->GetVariable (
EFI_OS_INDICATIONS_VARIABLE_NAME,
&gEfiGlobalVariableGuid,
&Attr,
&DataSize,
&OsIndications
);
if (EFI_ERROR (Status)) {
OsIndications = EFI_OS_INDICATIONS_BOOT_TO_FW_UI;
} else {
OsIndications |= EFI_OS_INDICATIONS_BOOT_TO_FW_UI;
}
Status = gRT->SetVariable (
EFI_OS_INDICATIONS_VARIABLE_NAME,
&gEfiGlobalVariableGuid,
EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS,
sizeof (OsIndications),
&OsIndications
);
}
if (EFI_ERROR (Status)) {
ShellStatus = SHELL_UNSUPPORTED;
goto Error;
}
}
//
// check for warm reset flag, then shutdown reset flag, then cold (default) reset flag
//
if (ShellCommandLineGetFlag (Package, L"-w")) {
if (ShellCommandLineGetFlag (Package, L"-s") || ShellCommandLineGetFlag (Package, L"-c")) {
ShellPrintHiiDefaultEx (STRING_TOKEN (STR_GEN_TOO_MANY), gShellLevel2HiiHandle, L"reset");
ShellStatus = SHELL_INVALID_PARAMETER;
} else {
String = ShellCommandLineGetValue (Package, L"-w");
if (String != NULL) {
gRT->ResetSystem (EfiResetWarm, EFI_SUCCESS, StrSize (String), (VOID *)String);
} else {
gRT->ResetSystem (EfiResetWarm, EFI_SUCCESS, 0, NULL);
}
}
} else if (ShellCommandLineGetFlag (Package, L"-s")) {
if (ShellCommandLineGetFlag (Package, L"-c")) {
ShellPrintHiiDefaultEx (STRING_TOKEN (STR_GEN_TOO_MANY), gShellLevel2HiiHandle, L"reset");
ShellStatus = SHELL_INVALID_PARAMETER;
} else {
String = ShellCommandLineGetValue (Package, L"-s");
DEBUG_CODE (
ShellPrintDefaultEx (L"Reset with %s (%d bytes)\n", String, String != NULL ? StrSize (String) : 0);
);
if (String != NULL) {
gRT->ResetSystem (EfiResetShutdown, EFI_SUCCESS, StrSize (String), (VOID *)String);
} else {
gRT->ResetSystem (EfiResetShutdown, EFI_SUCCESS, 0, NULL);
}
}
} else {
//
// this is default so dont worry about flag...
//
String = ShellCommandLineGetValue (Package, L"-c");
if (String != NULL) {
gRT->ResetSystem (EfiResetCold, EFI_SUCCESS, StrSize (String), (VOID *)String);
} else {
gRT->ResetSystem (EfiResetCold, EFI_SUCCESS, 0, NULL);
}
}
}
}
//
// we should never get here... so the free and return are for formality more than use
// as the ResetSystem function should not return...
//
Error:
//
// free the command line package
//
ShellCommandLineFreeVarList (Package);
//
// return the status
//
return (ShellStatus);
}
|
