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
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
|
/** @file
Definition for Device Path Tool.
Copyright (c) 2017 - 2018, 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 "UefiDevicePathLib.h"
//
// Utility Name
//
#define UTILITY_NAME "DevicePath"
//
// Utility version information
//
#define UTILITY_MAJOR_VERSION 0
#define UTILITY_MINOR_VERSION 1
EFI_GUID gEfiDebugPortProtocolGuid = DEVICE_PATH_MESSAGING_DEBUGPORT;
EFI_GUID gEfiPcAnsiGuid = EFI_PC_ANSI_GUID;
EFI_GUID gEfiVT100Guid = EFI_VT_100_GUID;
EFI_GUID gEfiVT100PlusGuid = EFI_VT_100_PLUS_GUID;
EFI_GUID gEfiVTUTF8Guid = EFI_VT_UTF8_GUID;
EFI_GUID gEfiUartDevicePathGuid = EFI_UART_DEVICE_PATH_GUID;
EFI_GUID gEfiSasDevicePathGuid = EFI_SAS_DEVICE_PATH_GUID;
EFI_GUID gEfiVirtualDiskGuid = EFI_VIRTUAL_DISK_GUID;
EFI_GUID gEfiVirtualCdGuid = EFI_VIRTUAL_CD_GUID;
EFI_GUID gEfiPersistentVirtualDiskGuid = EFI_PERSISTENT_VIRTUAL_DISK_GUID;
EFI_GUID gEfiPersistentVirtualCdGuid = EFI_PERSISTENT_VIRTUAL_CD_GUID;
STATIC
VOID
Version (
VOID
)
/*++
Routine Description:
Displays the standard utility information to SDTOUT
Arguments:
None
Returns:
None
--*/
{
fprintf (stdout, "%s Version %d.%d %s \n", UTILITY_NAME, UTILITY_MAJOR_VERSION, UTILITY_MINOR_VERSION, __BUILD_VERSION);
}
STATIC
VOID
Usage (
VOID
)
/*++
Routine Description:
Displays the utility usage syntax to STDOUT
Arguments:
None
Returns:
None
--*/
{
//
// Summary usage
//
fprintf (stdout, "\nUsage: %s [options]\n\n", UTILITY_NAME);
//
// Copyright declaration
//
fprintf (stdout, "Copyright (c) 2017, Intel Corporation. All rights reserved.\n\n");
//
// Details Option
//
fprintf (stdout, "Options:\n");
fprintf (stdout, " DevicePathString Device Path string is specified, no space character.\n"
" Example: \"PciRoot(0)/Pci(0,0)\"\n");
fprintf (stdout, " --version Show program's version number and exit.\n");
fprintf (stdout, " -h, --help Show this help message and exit.\n");
}
STATIC
VOID
PrintMem (
CONST VOID *Buffer,
UINTN Count
)
{
CONST UINT8 *Bytes;
UINTN Idx;
Bytes = Buffer;
for (Idx = 0; Idx < Count; Idx++) {
printf("0x%02x ", Bytes[Idx]);
}
}
VOID
Ascii2UnicodeString (
CHAR8 *String,
CHAR16 *UniString
)
/*++
Routine Description:
Write ascii string as unicode string format to FILE
Arguments:
String - Pointer to string that is written to FILE.
UniString - Pointer to unicode string
Returns:
NULL
--*/
{
while (*String != '\0') {
*(UniString++) = (CHAR16) *(String++);
}
//
// End the UniString with a NULL.
//
*UniString = '\0';
}
int main(int argc, CHAR8 *argv[])
{
CHAR8 * Str;
CHAR16* Str16;
EFI_DEVICE_PATH_PROTOCOL *DevicePath;
if (argc == 1) {
Error (NULL, 0, 1001, "Missing options", "No input options specified.");
Usage ();
return STATUS_ERROR;
}
if ((stricmp (argv[1], "-h") == 0) || (stricmp (argv[1], "--help") == 0)) {
Version ();
Usage ();
return STATUS_SUCCESS;
}
if (stricmp (argv[1], "--version") == 0) {
Version ();
return STATUS_SUCCESS;
}
Str = argv[1];
if (Str == NULL) {
fprintf(stderr, "Invalid option value, Device Path can't be NULL");
return STATUS_ERROR;
}
Str16 = (CHAR16 *)malloc(1024);
if (Str16 == NULL) {
fprintf(stderr, "Resource, memory cannot be allocated");
return STATUS_ERROR;
}
Ascii2UnicodeString(Str, Str16);
DevicePath = UefiDevicePathLibConvertTextToDevicePath(Str16);
if (DevicePath == NULL) {
fprintf(stderr, "Convert fail, Cannot convert text to a device path");
free(Str16);
return STATUS_ERROR;
}
while (!((DevicePath->Type == END_DEVICE_PATH_TYPE) && (DevicePath->SubType == END_ENTIRE_DEVICE_PATH_SUBTYPE)) )
{
PrintMem (DevicePath, DevicePath->Length[0] | DevicePath->Length[1] << 8);
DevicePath = (EFI_DEVICE_PATH_PROTOCOL *)((UINT8 *)DevicePath + (DevicePath->Length[0] | DevicePath->Length[1] << 8));
}
PrintMem (DevicePath, DevicePath->Length[0] | DevicePath->Length[1] << 8);
putchar('\n');
free(Str16);
return STATUS_SUCCESS;
}
|
